Electrolyte formulations for electrochemical cells containing a silicon electrode

Cheng, Gang; Strand, Deidre; Zhu, Ye; Caldwell, Marissa

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Title: Electrolyte formulations for electrochemical cells containing a silicon electrode

Abstract

Additives to electrolytes that enable the formation of comparatively more robust SEI films on silicon anodes. The SEI films in these embodiments are seen to be more robust in part because the batteries containing these materials have higher coulombic efficiency and longer cycle life than comparable batteries without such additives.

Inventors:: Cheng, Gang; Strand, Deidre; Zhu, Ye; Caldwell, Marissa

Issue Date:: 2020-05-12

Research Org.:: Wildcat Discovery Technologies, Inc., San Diego, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1650906

Patent Number(s):: 10651504

Application Number:: 15/953,130

Assignee:: Wildcat Discovery Technologies, Inc. (San Diego, CA)

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

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

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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
H01M10/0567 - characterised by the additives
H01M10/0569 - characterised by the solvents
H01M4/134 - Electrodes based on metals, Si or alloys

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:: EE0006453

Resource Type:: Patent

Resource Relation:: Patent File Date: 04/13/2018

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE; 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Cheng, Gang, Strand, Deidre, Zhu, Ye, and Caldwell, Marissa. Electrolyte formulations for electrochemical cells containing a silicon electrode.  United States: N. p., 2020. 
        Web.

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                    Cheng, Gang, Strand, Deidre, Zhu, Ye, & Caldwell, Marissa. Electrolyte formulations for electrochemical cells containing a silicon electrode.  United States.

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                    Cheng, Gang, Strand, Deidre, Zhu, Ye, and Caldwell, Marissa. Tue .  
        "Electrolyte formulations for electrochemical cells containing a silicon electrode".  United States.  https://www.osti.gov/servlets/purl/1650906.

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@article{osti_1650906,

  title        = {Electrolyte formulations for electrochemical cells containing a silicon electrode},

  author       = {Cheng, Gang and Strand, Deidre and Zhu, Ye and Caldwell, Marissa},

  abstractNote = {Additives to electrolytes that enable the formation of comparatively more robust SEI films on silicon anodes. The SEI films in these embodiments are seen to be more robust in part because the batteries containing these materials have higher coulombic efficiency and longer cycle life than comparable batteries without such additives.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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Works referenced in this record:

Non-Aqueous Electrolyte and Secondary Battery Comprising the Same
patent-application, July 2011

Kim, Soojin; Cho, Jeong-Ju
US Patent Application 12/672789; 20110183216
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20110183216

Polyurethane Based Electrolyte Systems for Electrochemical Cells
patent-application, September 2014

Cao, Feina; Gor, Tesham; Lu, Qiwei
US Patent Application 14/353505; 20140255792
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140255792

Electrode-Composite Separator Assembly for Lithium Battery and Lithium Battery Including the Same
patent-application, March 2017

Ku, Junhwan; Shon, Jeongkuk; Song, Minsang
US Patent Application 15/235302; 20170092915
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20170092915

Polymer Composition with Electrophilic Groups for Stabilization of Lithium Sulfur Batteries
patent-application, December 2017

Pratt, Russell Clayton; Eitouni, Hany Basam; Sivanandan, Kulandaivelu
US Patent Application 15/675797; 20170358821
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20170358821