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.:
- Envia Systems, Inc., Newark, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1226230
- Patent Number(s):
- 9190694
- Application Number:
- 12/938,951
- Assignee:
- Envia Systems, Inc. (Newark, 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: 2010 Nov 03
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE
Citation Formats
Lopez, Herman A., Anguchamy, Yogesh Kumar, Deng, Haixia, Han, Yongbon, Masarapu, Charan, Venkatachalam, Subramanian, and Kumar, Suject. High capacity anode materials for lithium ion batteries. United States: N. p., 2015.
Web.
Lopez, Herman A., Anguchamy, Yogesh Kumar, Deng, Haixia, Han, Yongbon, Masarapu, Charan, Venkatachalam, Subramanian, & Kumar, Suject. High capacity anode materials for lithium ion batteries. United States.
Lopez, Herman A., Anguchamy, Yogesh Kumar, Deng, Haixia, Han, Yongbon, Masarapu, Charan, Venkatachalam, Subramanian, and Kumar, Suject. Thu .
"High capacity anode materials for lithium ion batteries". United States. https://www.osti.gov/servlets/purl/1226230.
@article{osti_1226230,
title = {High capacity anode materials for lithium ion batteries},
author = {Lopez, Herman A. and Anguchamy, Yogesh Kumar and Deng, Haixia and Han, Yongbon and Masarapu, Charan and Venkatachalam, Subramanian and Kumar, Suject},
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 = {2015},
month = {11}
}
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