Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performance
Abstract
Improved negative electrodes can comprise a silicon based active material blended with graphite to provide more stable cycling at high energy densities. In some embodiments, the negative electrodes comprise a blend of polyimide binder mixed with a more elastic polymer binder with a nanoscale carbon conductive additive. The silicon-based blended graphite negative electrodes can be matched with positive electrodes comprising nickel rich lithium nickel manganese cobalt oxides to form high energy density cells with good cycling properties.
- Inventors:
- Issue Date:
- Research Org.:
- Zenlabs Energy, Inc., Fremont, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 2222242
- Patent Number(s):
- 11742474
- Application Number:
- 17/370,678
- Assignee:
- Zenlabs Energy, Inc. (Fremont, CA)
- DOE Contract Number:
- EE0006250; 14-2141-ABC
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 07/08/2021
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Venkatachalam, Subramanian, Sharma, Sanjeev, Li, Xianyu Iris, Hernandez-Gallegos, Pedro A., Masarapu, Charan, Kumar, Sujeet, and Lopez, Herman A. Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performance. United States: N. p., 2023.
Web.
Venkatachalam, Subramanian, Sharma, Sanjeev, Li, Xianyu Iris, Hernandez-Gallegos, Pedro A., Masarapu, Charan, Kumar, Sujeet, & Lopez, Herman A. Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performance. United States.
Venkatachalam, Subramanian, Sharma, Sanjeev, Li, Xianyu Iris, Hernandez-Gallegos, Pedro A., Masarapu, Charan, Kumar, Sujeet, and Lopez, Herman A. Tue .
"Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performance". United States. https://www.osti.gov/servlets/purl/2222242.
@article{osti_2222242,
title = {Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performance},
author = {Venkatachalam, Subramanian and Sharma, Sanjeev and Li, Xianyu Iris and Hernandez-Gallegos, Pedro A. and Masarapu, Charan and Kumar, Sujeet and Lopez, Herman A.},
abstractNote = {Improved negative electrodes can comprise a silicon based active material blended with graphite to provide more stable cycling at high energy densities. In some embodiments, the negative electrodes comprise a blend of polyimide binder mixed with a more elastic polymer binder with a nanoscale carbon conductive additive. The silicon-based blended graphite negative electrodes can be matched with positive electrodes comprising nickel rich lithium nickel manganese cobalt oxides to form high energy density cells with good cycling properties.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 29 00:00:00 EDT 2023},
month = {Tue Aug 29 00:00:00 EDT 2023}
}
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