Silicon oxide based high capacity anode materials for lithium ion batteries

Deng, Haixia; Han, Yongbong; Masarapu, Charan; Anguchamy, Yogesh Kumar; Lopez, Herman A.; Kumar, Sujeet

Title: Silicon oxide based high capacity anode materials for lithium ion batteries

Abstract

Silicon oxide based materials, including composites with various electrical conductive compositions, are formulated into desirable anodes. The anodes can be effectively combined into lithium ion batteries with high capacity cathode materials. In some formulations, supplemental lithium can be used to stabilize cycling as well as to reduce effects of first cycle irreversible capacity loss. Batteries are described with surprisingly good cycling properties with good specific capacities with respect to both cathode active weights and anode active weights.

Inventors:: Deng, Haixia; Han, Yongbong; Masarapu, Charan; Anguchamy, Yogesh Kumar; Lopez, Herman A.; Kumar, Sujeet

Issue Date:: 2017-03-21

Research Org.:: Envia Systems, Inc. Newark, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1347561

Patent Number(s):: 9601228

Application Number:: 13/108,708

Assignee:: Envia Systems, Inc.

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES
H01B1/122 - {Ionic conductors}

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M10/052 - Li-accumulators
H01M10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes
H01M10/0569 - characterised by the solvents
H01M2004/027 - {Negative electrodes}
H01M4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M4/134 - Electrodes based on metals, Si or alloys
H01M4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M4/386 - {Silicon or alloys based on silicon}
H01M4/483 - {for non-aqueous cells
H01M4/505 - of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M4/525 - of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M4/622 - {being polymers}
H01M4/624 - {Electric conductive fillers}
H01M4/625 - {Carbon or graphite}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E60/10 - Energy storage

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DOE Contract Number:: AR0000034

Resource Type:: Patent

Resource Relation:: Patent File Date: 2011 May 16

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 25 ENERGY STORAGE

Citation Formats


                    Deng, Haixia, Han, Yongbong, Masarapu, Charan, Anguchamy, Yogesh Kumar, Lopez, Herman A., and Kumar, Sujeet. Silicon oxide based high capacity anode materials for lithium ion batteries.  United States: N. p., 2017. 
        Web.

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                    Deng, Haixia, Han, Yongbong, Masarapu, Charan, Anguchamy, Yogesh Kumar, Lopez, Herman A., & Kumar, Sujeet. Silicon oxide based high capacity anode materials for lithium ion batteries.  United States.

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                    Deng, Haixia, Han, Yongbong, Masarapu, Charan, Anguchamy, Yogesh Kumar, Lopez, Herman A., and Kumar, Sujeet. Tue .  
        "Silicon oxide based high capacity anode materials for lithium ion batteries".  United States.  https://www.osti.gov/servlets/purl/1347561.

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@article{osti_1347561,

  title        = {Silicon oxide based high capacity anode materials for lithium ion batteries},

  author       = {Deng, Haixia and Han, Yongbong and Masarapu, Charan and Anguchamy, Yogesh Kumar and Lopez, Herman A. and Kumar, Sujeet},

  abstractNote = {Silicon oxide based materials, including composites with various electrical conductive compositions, are formulated into desirable anodes. The anodes can be effectively combined into lithium ion batteries with high capacity cathode materials. In some formulations, supplemental lithium can be used to stabilize cycling as well as to reduce effects of first cycle irreversible capacity loss. Batteries are described with surprisingly good cycling properties with good specific capacities with respect to both cathode active weights and anode active weights.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2017},

  month        = {3}

}

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Negative electrode for lithium secondary cell, lithium secondary cell employing the negative electrode, film deposition material b used for forming negative electrode, and process for producing negative electrode
patent-application, March 2007

Natsume, Yoshitake; Ogasawara, Tadashi; Azuma, Kazuomi
US Patent Application 10/554397; 20070059601
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Method of producing silicon oxide, negative electrode active material for lithium ion secondary battery and lithium ion secondary battery using the same
patent-application, May 2007

Kogetsu, Yasutaka; Ishida, Sumihito
US Patent Application 11/580117; 20070099436
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20070099436

Negative active material for lithium secondary battery and method for preparating same
patent-application, August 2007

Lee, Sung-Man; Lee, Heon Young; Hong, Moon Ki
US Patent Application 10/566344; 20070190413
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Negative-electrode active material for nonaqueous electrolyte secondary battery, and negative electrode and nonaqueous electrolyte secondary battery using the same
patent-application, September 2007

Ohtsuka, Takashi; Ishida, Sumihito; Matsuda, Hiroaki
US Patent Application 11/703210; 20070207381
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Method for producing SiOx (x < 1)
patent-application, November 2007

Fukuoka, Hirofumi; Aramata, Mikio; Miyawaki, Satoru
US Patent Application 11/790234; 20070254102
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20070254102

Silicon Monoxide Vapor Deposition Material, Silicon Powder for Silicon Monoxide Raw Material, and Method for Producing Silicon Monoxide
patent-application, November 2007

Kizaki, Shingo; Nishioka, Kazuo
US Patent Application 11/661392; 20070259113
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20070259113

Method For Producing Negative Electrode For Lithium Secondary Battery
patent-application, April 2008

Natsume, Yoshitake; Ogasawara, Tadashi; Azuma, Kazuomi
US Patent Application 11/575466; 20080095930
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080095930

Negative Electrode Material For Lithium Secondary Battery, Negative Electrode Using The Material, Lithium Secondary Battery Using The Negative Electrode, And Manufacturing Method Of Negative Electrode Material
patent-application, May 2008

Yamamoto, Teruaki; Sato, Toshitada; Bito, Yasuhiko
US Patent Application 10/584776; 20080113269
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Electrolytes, Electrolyte Additives And Cells
patent-application, June 2008

Jambunathan, Krishnakumar; Dantsin, Gennady; Casteel, William
US Patent Application 12/031256; 20080131772
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080131772

Silicon Monoxide Powder For Secondary Battery and Method For Producing the Same
patent-application, June 2008

Kizaki, Shingo; Nishioka, Kazuo
US Patent Application 11/658641; 20080135801
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080135801

Anode Active Material, Method of Preparing the Same, Anode and Lithium Battery Containing the Material
patent-application, August 2008

Mah, Sang-kook; Kim, Han-su
US Patent Application 11/861200; 20080193831
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080193831

Negative Electrode for Lithium Ion Secondary Battery and Lithium Ion Secondary Battery
patent-application, September 2008

Kogetsu, Yasutaka; Iwamoto, Kazuya; Yamamoto, Taisuke
US Patent Application 12/036767; 20080213671
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Nonaqueous electrolyte secondary battery
patent-application, September 2008

Minami, Hiroshi; Imachi, Naoki
US Patent Application 12/073882; 20080226988
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080226988

Anode for Lithium Ion Cell
patent-application, November 2008

Jarvis, Christine Ruth
US Patent Application 11/579270; 20080274408
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080274408

Composite Negative Electrode Active Material, Method For Producing The Same And Non-Aqueous Electrolyte Secondary Battery
patent-application, January 2009

Ishida, Sumihito; Matsuda, Hiroaki; Yoshizawa, Hiroshi
US Patent Application 11/661127; 20090004564
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Composite Anode Active Material, Anode Including the Same and Lithium Battery Using the Anode
patent-application, January 2009

Hwang, Seung-sik; Kim, Han-su
US Patent Application 12/120262; 20090023065
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Negative Electrode Active Material and Negative Electrode Using the Same and Lithium Ion Secondary Battery
patent-application, February 2009

Iwamoto, Kazuya; Ito, Shuji
US Patent Application 12/095879; 20090047577
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Anode active material hybridizing carbon nanofiber for lithium secondary battery
patent-application, February 2009

Choi, Im Goo; Jang, Seung Yeon; Choi, Namsun
US Patent Application 12/213830; 20090053608
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Nano-Sized Silicon
patent-application, April 2009

Treger, Jack
US Patent Application 12/207821; 20090092899
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Hybrid anode compositions for lithium ion batteries
patent-application, May 2009

Zhamu, Aruna; Jang, Bor Z.
US Patent Application 11/982662; 20090117466
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Carbon-Coated Silicon Particle Powder as the Anode Material for Lithium Ion Batteries and Method of Making the Same
patent-application, May 2009

Mao, Zhenhua; Chahar, Bharat
US Patent Application 12/329670; 20090130562
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20090130562

Composite for Anode Material, Anode Materials and Lithium Battery Using the Same
patent-application, July 2009

Mah, Sang-kook; Kim, Han-su
US Patent Application 12/130145; 20090169994
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Porous Silicon Particulates for Lithium Batteries
patent-application, July 2009

Tiegs, Terry N.
US Patent Application 12/321446; 20090186267
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Anode and Secondary Battery
patent-application, August 2009

Wakita, Shinya; Okae, Izaya
US Patent Application 12/368650; 20090214952
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Non-Aqueous Electrolyte Secondary Battery, Negative Electrode Material, and Making Method
patent-application, September 2009

Nakanishi, Tetsuo; Watanabe, Koichiro; Fukuoka, Hirofumi
US Patent Application 12/404710; 20090239151
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High Energy Lithium Ion Secondary Batteries
patent-application, October 2009

Buckley, James P.; Kumar, Sujeet
US Patent Application 12/403521; 20090263707
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High Energy Lithium Ion Batteries With Particular Negative Electrode Compositions
patent-application, December 2009

Kumar, Sujeet; Buckley, James P.
US Patent Application 12/429438; 20090305131
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Non-Aqueous Electrolyte Secondary Battery
patent-application, December 2009

Shirane, Takayuki; Inoue, Kaoru; Ugaji, Masaya
US Patent Application 12/064307; 20090317721
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Secondary Battery
patent-application, December 2009

Lim, Wan Mook
US Patent Application 12/417068; 20090325061
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Negative Electrode Material, Making Method, Lithium Ion Secondary Battery, and Electrochemical Capacitor
patent-application, January 2010

Watanabe, Koichiro
US Patent Application 12/501759; 20100009261
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High Energy Density Redox Flow Device
patent-application, February 2010

Chiang, Yet-Ming; Carter, W. Craig; Ho, Bryan H.
US Patent Document 12/484113; 20100047671
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Non-Aqueous Electrolyte Secondary Battery, Negative Electrode, Negative Electrode Material, and Preparation of SI-O-AL Composite
patent-application, March 2010

Nakanishi, Tetsuo; Watanabe, Koichiro
US Patent Application 12/546788; 20100055563
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Positive Electrode Materials for Lithium Ion Batteries Having a Specific Discharge Capacity and Processes for the Synthesis of These Materials
patent-application, April 2010

Venkatachalam, Subramanian; Lopez, Herman; Kumar, Sujeet
US Patent Application 12/246814; 20100086853
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Fluorine Doped Lithium Rich Metal Oxide Positive Electrode Battery Materials With High Specific Capacity and Corresponding Batteries
patent-application, April 2010

Kumar, Sujeet; Lopez, Herman; Venkatachalam, Subramanian
US Patent Application 12/569606; 20100086854
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Negative Electrode Base Member
patent-application, May 2010

Misumi, Koichi; Saito, Koji; Mitsuhiro, Mitsuhiro
US Patent Application 12/518834; 20100119939
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Composite Compositions, Negative Electrodes with Composite Compositions and Corresponding Batteries
patent-application, May 2010

Kumar, Sujeet
US Patent Application 12/502609; 20100119942
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Method of producing prelithiated anodes for secondary lithium ion batteries
patent-application, May 2010

Zhamu, Aruna; Jang, Bor Z.
US Patent Application 12/291689; 20100120179
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Positive Electrode Materials for High Discharge Capacity Lithium Ion Batteries
patent-application, June 2010

Lopez, Herman; Venkatachalam, Subramanian; Kumar, Sujeet
US Patent Application 12/332735; 20100151332
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Layer-By-Layer Assemblies of Carbon-Based Nanostructures and Their Applications in Energy Storage and Generation Devices
patent-application, June 2010

Shao-Horn, Yang; Lee, Seung Woo; Yabuuchi, Naoaki
US Patent Application 12/541305; 20100159366
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Secondary lithium ion battery containing a prelithiated anode
patent-application, July 2010

Zhamu, Aruna; Jang, Bor Z.
US Patent Application 12/319114; 20100173198
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Method of Producing Silicon Oxide, Negative Electrode Active Material for lithium Ion Secondary Battery and Lithium Ion Secondary Battery Using the Same
patent-application, July 2010

Kogetsu, Yasutaka; Ishida, Sumihito
US Patent Application 12/729994; 20100178566
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Nonaqueous Secondary Battery
patent-application, September 2010

Numata, Koichi; Okamoto, Takashi; Ide, Hitohiko
US Patent Application 12/377732; 20100233543
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Negative Electrode Material for Nonaqueous Electrolyte Secondary Battery, Making Method and Lithium Ion Secondary Battery
patent-application, September 2010

Watanabe, Kohichiro; Kashida, Meguru; Fukuoka, Hirofumi
US Patent Application 12/731044; 20100243951
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Negative Electrode Material for Nonaqueous Electrolyte Secondary Battery, Making Method and Lithium Ion Secondary Battery
patent-application, November 2010

Watanabe, Koichiro; Kashida, Meguru; Fukuoka, Hirofumi
US Patent Application 12/781579; 20100288970
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Lithium Secondary Battery with High Energy Density
patent-application, December 2010

Chung, Geun-Chang; Shin, Dong Seok; Kim, Sun Kyu
US Patent Application 12/829116; 20100330430
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Lithium Ion Batteries With Long Cycling Performance
patent-application, January 2011

Kumar, Sujeet; Buckley, James P.; Shi, Hang
US Patent Application 12/509131; 20110017528
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Layer-Layer Lithium Rich Complex Metal Oxides with High Specific Capacity and Excellent Cycling
patent-application, March 2011

Lopez, Herman A.; Venkatachalam, Subramanian; Karthikeyan, Deepak Kumaar Kandasamy
US Patent Application 12/869976; 20110052981
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Lithium Doped Cathode Material
patent-application, March 2011

Venkatachalam, Subramanian; Karthikeyan, Deepak Kumaar Kandasamy; Amiruddin, Shabab
US Patent Application 12/870295; 20110052989
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Metal Oxide Coated Positive Electrode Materials For Lithium-Based Batteries
patent-application, March 2011

Karthikeyan, Deepak; Venkatachalam, Subramanian; Lopez, Herman
US Patent Application 12/870096; 20110076556
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Method of manufacturing high-surface-area silicon
patent-application, April 2011

Mukasyan, Alexander; Mukasyan, Vasiliy; Nersesyan, Mikael
US Patent Application 12/587738; 20110085960
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High Capacity Anode Materials for Lithium Ion Batteries
patent-application, May 2011

Lopez, Heman; Anguchamy, Yogesh; Deng, Haixia
US Patent Application 12/938951; 20110111294
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Coated Positive Electrode Materials For Lithium Ion Batteries
patent-application, May 2011

Lopez, Herman; Venkatachalam, Subramanian; Kandasamy Karthikeyan, Deepak
US Patent Application 12/616226; 20110111298
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Preloading Lithium Ion Cell Components With Lithium
patent-application, May 2011

Cui, Yi; Han, Song; Platshon, Mark
US Patent Application 12/944593; 20110111304
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Anodes for Lithium Ion Batteries
patent-application, May 2011

Xu, Wu; Canfield, Nathan L.; Zhang, Ji-Guang
US Patent Application 12/621410; 20110114254
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Lithium Ion Battery With High Voltage Electrolytes And Additives
patent-application, June 2011

Amiruddin, Shabab; Lopez, Herman
US Patent Application 12/630992; 20110136019
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Doped Positive Electrode Active Materials And Lithium Ion Secondary Battery Constructed Therefrom
patent-application, October 2011

Karthikeyan, Deepak; Venkatachalam, Subramanian; Amiruddin, Shabab
US Patent Application 12/753312; 20110244331
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Battery Packs for Vehicles and High Capacity Pouch Secondary Batteries for Incorporation into Compact Battery Packs
patent-application, February 2012

Kumar, Sujeet; Buckley, James P.
US Patent Application 13/195672; 20120028105
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Auxiliary Electrodes For Electrochemical Cells Containing High Capacity Active Materials
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Stefan, Constantin; Fasching, Rainer; Roberts, Gregory
US Patent Application 13/245530; 20120045670
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Very Long Cycling of Lithium Ion Batteries with Lithium Rich Cathode Materials
patent-application, March 2012

Amiruddin, Shabab; Li, Bing; Kumar, Sujeet
US Patent Application 13/213756; 20120056590
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Metal Halide Coatings On Lithium Ion Battery Positive Electrode Materials And Corresponding Batteries
patent-application, March 2012

Venkatachalam, Subramanian; Karthikeyan, Deepak; Lopez, Herman
US Patent Application 12/888131; 20120070725
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Lithium Ion Batteries With Supplemental Lithium
patent-application, May 2012

Amiruddin, Shabab; Venkatachalam, Subramanian; Li, Bing
US Patent Application 13/305981; 20120105007
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Lithium Ion Batteries with Supplemental Lithium
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Amiruddin, Shabab; Venkatachalam, Subramanian; Li, Bing
US Patent Application 12/938073; 20120107680
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Electrode Active Material, Electrode, And Electricity Storage Device
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Harimoto, Yukinari; Fukui, Hiroshi; Hino, Takakazu
US Patent Application 13/387242; 20120121982
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Lithium Ion Batteries Based On Nanoporous Silicon
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Tolbert, Sarah; Nemanick, Eric; Kang, Chris Byung-Hwa
US Patent Application 13/702990; 20130078508
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High Capacity, Temperature-Stable Lithium Aluminum Manganese Oxide Cathodes for Rechargeable Batteries
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Chiang, Yet-Ming; Sadoway, Donald R.; Jang, Young‐Il
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Cyclic deterioration and its improvement for Li-rich layered cathode material Li[Ni_0.17Li_0.2Co_0.07Mn_0.56]O₂
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Impedance Analysis of Silicon Nanowire Lithium Ion Battery Anodes
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High-performance lithium battery anodes using silicon nanowires
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Carbon−Silicon Core−Shell Nanowires as High Capacity Electrode for Lithium Ion Batteries
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Nano-SnSb alloy deposited on MCMB as an anode material for lithium ion batteries
journal, January 2001

Shi, Lihong; Li, Hong; Wang, Zhaoxiang
Journal of Materials Chemistry, Vol. 11, Issue 5, p. 1502-1505
https://doi.org/10.1039/b009907o

AlF₃-Coating to Improve High Voltage Cycling Performance of Li[Ni_1∕3]Co_1∕3]Mn_1∕3]O₂ Cathode Materials for Lithium Secondary Batteries
journal, January 2007

Sun, Y.-K.; Cho, S.-W.; Lee, S.-W.
Journal of The Electrochemical Society, Vol. 154, Issue 3, p. A168-A172
https://doi.org/10.1149/1.2422890

Significant improvement of high voltage cycling behavior AlF₃-coated LiCoO₂ cathode
journal, May 2006

Sun, Y.; Han, J.; Myung, S.
Electrochemistry Communications, Vol. 8, Issue 5, p. 821-826
https://doi.org/10.1016/j.elecom.2006.03.040

Li-doping process for Li_xSiO-negative active material synthesized by chemical method for lithium-ion cells
journal, August 2005

Tabuchi, Toru; Yasuda, Hideo; Yamachi, Masanori
Journal of Power Sources, Vol. 146, Issue 1-2, p. 507-509
https://doi.org/10.1016/j.jpowsour.2005.03.100

Comments on the structural complexity of lithium-rich Li_1+xM_1−xO₂ electrodes (M=Mn, Ni, Co) for lithium batteries
journal, September 2006

Thackeray, M. M.; Kang, S.-H.; Johnson, C. S.
Electrochemistry Communications, Vol. 8, Issue 9, p. 1531-1538
https://doi.org/10.1016/j.elecom.2006.06.030

Improvement of cycle behaviour of SiO/C anode composite by thermochemically generated Li₄SiO₄ inert phase for lithium batteries
journal, March 2009

Veluchamy, Angathevar; Doh, Chil-Hoon; Kim, Dong-Hun
Journal of Power Sources, Vol. 188, Issue 2, p. 574-577
https://doi.org/10.1016/j.jpowsour.2008.11.137

Significant Improvement of Electrochemical Performance of AlF₃-Coated Li[Ni_0.8Co_0.1Mn_0.1]O₂ Cathode Materials
journal, January 2007

Woo, S.-U.; Yoon, C. S.; Amine, K.
Journal of The Electrochemical Society, Vol. 154, Issue 11, p. A1005-A1009
https://doi.org/10.1149/1.2776160

Nanosized silicon-based composite derived by in situ mechanochemical reduction for lithium ion batteries
journal, February 2007

Yang, Xuelin; Wen, Zhaoyin; Xu, Xiaoxiong
Journal of Power Sources, Vol. 164, Issue 2, p. 880-884
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Electrochemical behaviors of silicon based anode material
journal, August 2005

Yoshio, Masaki; Tsumura, Takaaki; Dimov, Nikolay
Journal of Power Sources, Vol. 146, Issue 1-2, p. 10-14
https://doi.org/10.1016/j.jpowsour.2005.03.143

SiO_x-based anodes for secondary lithium batteries
journal, December 2002

Yang, J.; Takeda, Y.; Imanishi, N.
Solid State Ionics, Vol. 152-153, p. 125-129
https://doi.org/10.1016/S0167-2738(02)00362-4

Nano-sized SiO_x/C composite anode for lithium ion batteries
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Wang, Jing; Zhao, Hailei; He, Jianchao
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https://doi.org/10.1016/j.jpowsour.2011.01.053

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Title: Silicon oxide based high capacity anode materials for lithium ion batteries

Abstract

Citation Formats

Electrode including porous particles with embedded active material for use in a secondary electrochemical cell patent, April 1978

Secondary battery patent, July 1990

High energy electrochemical cell having composite solid-state anode patent, September 1992

Electrochemical secondary element patent, November 1992

Non-aqueous electrolyte secondary battery and its production method patent, March 1995

Method for fabricating carbon/lithium-ion electrode for rechargeable lithium cell patent, July 1995

Method for intercalating alkali metal ions into carbon electrodes patent, August 1995

Composite anode for nonaqueous secondary battery and method for producing the same patent, July 1996

Process for prelithiation of carbon based anodes for lithium batteries patent, January 1997

Rechargeable lithium battery having improved reversible capacity patent, February 1998

Method of making a cell using a lithium-deactivated carbon anode patent, April 1998

Process for prelithiation of carbon based anodes for lithium ion electrochemical cells patent, May 1998

Negative electrode material for use in lithium-ion secondary battery and process for producing the same patent, August 1998

Lithium ion electrochemical cell patent, September 1999

Lithium ion cell patent, February 2000

Non-aqueous electrolyte secondary battery patent, July 2000

Nonaqueous secondary battery containing silicic material patent, May 2001

Method of making activated carbon derived from pitches patent, June 2001

Secondary lithium-ion cell with an auxiliary electrode patent, January 2002

Anodes for rechargeable lithium batteries patent, March 2003

Lithium secondary battery having oxide particles embedded in particles of carbonaceous material as a negative electrode-active material patent, October 2003

Lithium secondary battery, anode for lithium secondary battery, and method for manufacturing the anode patent, November 2003

Lithium metal oxide electrodes for lithium cells and batteries patent, January 2004

Lithium metal oxide electrodes for lithium cells and batteries patent, January 2004

Amorphous electrode compositions patent, March 2004

Lithium metal dispersion in secondary battery anodes patent, March 2004

Double current collector negative electrode design for alkali metal ion electrochemical cells patent, May 2004

Silicon oxide powder and making method patent, July 2004

Secondary battery patent, April 2005

Lithium-containing silicon oxide powder and making method patent, May 2005

Electrochemical cell electrodes comprising coal-based carbon foam patent, May 2005

Battery including carbon foam current collectors patent, December 2005

Conductive silicon composite, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell patent, May 2006

Electrode for use in lithium battery and rechargeable lithium battery patent, March 2007

Layered cathode materials for lithium ion rechargeable batteries patent, April 2007

Electrode for use in lithium battery and rechargeable lithium battery patent, June 2007

Nonaqueous electrolyte secondary battery patent, August 2007

Lithium metal dispersion in secondary battery anodes patent, October 2007

Negative electrode for rechargeable lithium battery and method for fabrication thereof patent, November 2007

Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same patent, October 2008

Method and apparatus for preparation of spherical metal carbonates and lithium metal oxides for lithium rechargeable batteries patent, October 2008

Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same patent, November 2008

Method of producing porous silicon particles by stain-etching and silicon nanoparticles from stain-etched silicon powder patent, April 2009

Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same patent, April 2009

Lithium-ion battery patent, July 2009

Lithium secondary battery patent, August 2009

Lithium-ion battery patent, September 2009

Stabilized lithium metal powder for li-ion application, composition and process patent, September 2009

Electrode structure for lithium secondary battery and secondary battery having such electrode structure patent, November 2009

Si-C-O composite, making method, and non-aqueous electrolyte secondary cell negative electrode material patent, February 2010

Battery including an electrolyte solution comprising a halogenated carbonate derivative patent, July 2010

Silicon-silicon oxide-lithium composite, making method, and non-aqueous electrolyte secondary cell negative electrode material patent, August 2010

Silicon composite particles, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell patent, September 2010

Anode active material, method of preparing the same, and anode and lithium battery containing the material patent, November 2010

Alloy compositions for lithium ion batteries patent, December 2010

Alloy composition for lithium ion batteries patent, January 2011

Non-aqueous electrolyte secondary battery patent, April 2011

Lithium secondary battery, anode for lithium secondary battery, and method for manufacturing the anode patent-application, October 2001

Carbonaceous material and lithium secondary batteries comprising same patent-application, November 2002

Electrodes for alkali metal batteries patent-application, July 2003

Conductive silicon composite, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell patent-application, November 2003

Nonaqueous electrolyte battery patent-application, February 2004

Negative active material, negative electrode using the same, non-aqueous electrolyte battery using the same, and method for preparing the same patent-application, February 2004

Composition for polymer gel electrolyte, polymer gel electrolyte, and secondary battery and electric double layer capacitor each employing the electrolyte patent-application, April 2004

Multiphase nanocomposite material and method for its manufacture patent-application, July 2004

Lithium secondary battery patent-application, September 2004

Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery patent-application, October 2004

Negative electrode active material and non-aqueous electrolyte rechargeable battery using the same patent-application, December 2004

Lithium metal oxide electrodes for lithium batteries patent-application, February 2005

Electric separator, method for producing the same and the use thereof patent-application, February 2005

Lithium metal dispersion in electrodes patent-application, June 2005

Silicon composite particles, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell patent-application, September 2005

Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same patent-application, October 2005

Electrode material for lithium secondary battery and electrode structure having the electrode material patent-application, February 2006

Negative electrode for nonaqueous secondary battery patent-application, March 2006

Lithium ion battery and methods of manufacture patent-application, April 2006

Alloy for negative electrode of lithium secondary battery patent-application, March 2007

Electrode including porous particles with embedded active material for use in a secondary electrochemical cell
patent, April 1978

Secondary battery
patent, July 1990

High energy electrochemical cell having composite solid-state anode
patent, September 1992

Electrochemical secondary element
patent, November 1992

Non-aqueous electrolyte secondary battery and its production method
patent, March 1995

Method for fabricating carbon/lithium-ion electrode for rechargeable lithium cell
patent, July 1995

Method for intercalating alkali metal ions into carbon electrodes
patent, August 1995

Composite anode for nonaqueous secondary battery and method for producing the same
patent, July 1996

Process for prelithiation of carbon based anodes for lithium batteries
patent, January 1997

Rechargeable lithium battery having improved reversible capacity
patent, February 1998

Method of making a cell using a lithium-deactivated carbon anode
patent, April 1998

Process for prelithiation of carbon based anodes for lithium ion electrochemical cells
patent, May 1998

Negative electrode material for use in lithium-ion secondary battery and process for producing the same
patent, August 1998

Lithium ion electrochemical cell
patent, September 1999

Lithium ion cell
patent, February 2000

Non-aqueous electrolyte secondary battery
patent, July 2000

Nonaqueous secondary battery containing silicic material
patent, May 2001

Method of making activated carbon derived from pitches
patent, June 2001

Secondary lithium-ion cell with an auxiliary electrode
patent, January 2002

Anodes for rechargeable lithium batteries
patent, March 2003

Lithium secondary battery having oxide particles embedded in particles of carbonaceous material as a negative electrode-active material
patent, October 2003

Lithium secondary battery, anode for lithium secondary battery, and method for manufacturing the anode
patent, November 2003

Lithium metal oxide electrodes for lithium cells and batteries
patent, January 2004

Lithium metal oxide electrodes for lithium cells and batteries
patent, January 2004

Amorphous electrode compositions
patent, March 2004

Lithium metal dispersion in secondary battery anodes
patent, March 2004

Double current collector negative electrode design for alkali metal ion electrochemical cells
patent, May 2004

Silicon oxide powder and making method
patent, July 2004

Secondary battery
patent, April 2005

Lithium-containing silicon oxide powder and making method
patent, May 2005

Electrochemical cell electrodes comprising coal-based carbon foam
patent, May 2005

Battery including carbon foam current collectors
patent, December 2005

Conductive silicon composite, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell
patent, May 2006

Electrode for use in lithium battery and rechargeable lithium battery
patent, March 2007

Layered cathode materials for lithium ion rechargeable batteries
patent, April 2007

Electrode for use in lithium battery and rechargeable lithium battery
patent, June 2007

Nonaqueous electrolyte secondary battery
patent, August 2007

Lithium metal dispersion in secondary battery anodes
patent, October 2007

Negative electrode for rechargeable lithium battery and method for fabrication thereof
patent, November 2007

Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
patent, October 2008

Method and apparatus for preparation of spherical metal carbonates and lithium metal oxides for lithium rechargeable batteries
patent, October 2008

Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same
patent, November 2008

Method of producing porous silicon particles by stain-etching and silicon nanoparticles from stain-etched silicon powder
patent, April 2009

Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
patent, April 2009

Lithium-ion battery
patent, July 2009

Lithium secondary battery
patent, August 2009

Lithium-ion battery
patent, September 2009

Stabilized lithium metal powder for li-ion application, composition and process
patent, September 2009

Electrode structure for lithium secondary battery and secondary battery having such electrode structure
patent, November 2009

Si-C-O composite, making method, and non-aqueous electrolyte secondary cell negative electrode material
patent, February 2010

Battery including an electrolyte solution comprising a halogenated carbonate derivative
patent, July 2010

Silicon-silicon oxide-lithium composite, making method, and non-aqueous electrolyte secondary cell negative electrode material
patent, August 2010

Silicon composite particles, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell
patent, September 2010

Anode active material, method of preparing the same, and anode and lithium battery containing the material
patent, November 2010

Alloy compositions for lithium ion batteries
patent, December 2010

Alloy composition for lithium ion batteries
patent, January 2011

Non-aqueous electrolyte secondary battery
patent, April 2011

Lithium secondary battery, anode for lithium secondary battery, and method for manufacturing the anode
patent-application, October 2001

Carbonaceous material and lithium secondary batteries comprising same
patent-application, November 2002

Electrodes for alkali metal batteries
patent-application, July 2003

Conductive silicon composite, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell
patent-application, November 2003

Nonaqueous electrolyte battery
patent-application, February 2004

Negative active material, negative electrode using the same, non-aqueous electrolyte battery using the same, and method for preparing the same
patent-application, February 2004

Composition for polymer gel electrolyte, polymer gel electrolyte, and secondary battery and electric double layer capacitor each employing the electrolyte
patent-application, April 2004

Multiphase nanocomposite material and method for its manufacture
patent-application, July 2004

Lithium secondary battery
patent-application, September 2004

Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery
patent-application, October 2004

Negative electrode active material and non-aqueous electrolyte rechargeable battery using the same
patent-application, December 2004

Lithium metal oxide electrodes for lithium batteries
patent-application, February 2005

Electric separator, method for producing the same and the use thereof
patent-application, February 2005

Lithium metal dispersion in electrodes
patent-application, June 2005

Silicon composite particles, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell
patent-application, September 2005

Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
patent-application, October 2005

Electrode material for lithium secondary battery and electrode structure having the electrode material
patent-application, February 2006

Negative electrode for nonaqueous secondary battery
patent-application, March 2006

Lithium ion battery and methods of manufacture
patent-application, April 2006

Alloy for negative electrode of lithium secondary battery
patent-application, March 2007

Negative electrode for lithium secondary cell, lithium secondary cell employing the negative electrode, film deposition material b used for forming negative electrode, and process for producing negative electrode
patent-application, March 2007

Method of producing silicon oxide, negative electrode active material for lithium ion secondary battery and lithium ion secondary battery using the same
patent-application, May 2007

Negative active material for lithium secondary battery and method for preparating same
patent-application, August 2007