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Title: High capacity anode materials for lithium ion batteries

Abstract

High capacity silicon based anode active materials are described for lithium ion batteries. These materials are shown to be effective in combination with high capacity lithium rich cathode active materials. Supplemental lithium is shown to improve the cycling performance and reduce irreversible capacity loss for at least certain silicon based active materials. In particular silicon based active materials can be formed in composites with electrically conductive coatings, such as pyrolytic carbon coatings or metal coatings, and composites can also be formed with other electrically conductive carbon components, such as carbon nanofibers and carbon nanoparticles. Additional alloys with silicon are explored.

Inventors:
; ; ; ; ; ;
Issue Date:
Research Org.:
Zenlabs Energy, Inc., Fremont, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1458524
Patent Number(s):
10003068
Application Number:
14/851,405
Assignee:
Zenlabs Energy, Inc. (Fremont, 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
DOE Contract Number:  
AR0000034
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 Sep 11
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Lopez, Herman A., Anguchamy, Yogesh Kumar, Deng, Haixia, Han, Yongbong, Masarapu, Charan, Venkatachalam, Subramanian, and Kumar, Sujeet. High capacity anode materials for lithium ion batteries. United States: N. p., 2018. Web.
Lopez, Herman A., Anguchamy, Yogesh Kumar, Deng, Haixia, Han, Yongbong, Masarapu, Charan, Venkatachalam, Subramanian, & Kumar, Sujeet. High capacity anode materials for lithium ion batteries. United States.
Lopez, Herman A., Anguchamy, Yogesh Kumar, Deng, Haixia, Han, Yongbong, Masarapu, Charan, Venkatachalam, Subramanian, and Kumar, Sujeet. Tue . "High capacity anode materials for lithium ion batteries". United States. https://www.osti.gov/servlets/purl/1458524.
@article{osti_1458524,
title = {High capacity anode materials for lithium ion batteries},
author = {Lopez, Herman A. and Anguchamy, Yogesh Kumar and Deng, Haixia and Han, Yongbong and Masarapu, Charan and Venkatachalam, Subramanian and Kumar, Sujeet},
abstractNote = {High capacity silicon based anode active materials are described for lithium ion batteries. These materials are shown to be effective in combination with high capacity lithium rich cathode active materials. Supplemental lithium is shown to improve the cycling performance and reduce irreversible capacity loss for at least certain silicon based active materials. In particular silicon based active materials can be formed in composites with electrically conductive coatings, such as pyrolytic carbon coatings or metal coatings, and composites can also be formed with other electrically conductive carbon components, such as carbon nanofibers and carbon nanoparticles. Additional alloys with silicon are explored.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {6}
}

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