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Title: High-discharge-rate lithium ion battery

Abstract

The present invention provides for a lithium ion battery and process for creating such, comprising higher binder to carbon conductor ratios than presently used in the industry. The battery is characterized by much lower interfacial resistances at the anode and cathode as a result of initially mixing a carbon conductor with a binder, then with the active material. Further improvements in cycleability can also be realized by first mixing the carbon conductor with the active material first and then adding the binder.

Inventors:
; ;
Issue Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1129392
Patent Number(s):
8,703,009
Application Number:
12/614,195
Assignee:
The Regents of the University of California (Oakland, CA)
DOE Contract Number:  
AC02-05CH11231
Resource Type:
Patent
Resource Relation:
Patent File Date: 2009 Nov 06
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Liu, Gao, Battaglia, Vincent S, and Zheng, Honghe. High-discharge-rate lithium ion battery. United States: N. p., 2014. Web.
Liu, Gao, Battaglia, Vincent S, & Zheng, Honghe. High-discharge-rate lithium ion battery. United States.
Liu, Gao, Battaglia, Vincent S, and Zheng, Honghe. Tue . "High-discharge-rate lithium ion battery". United States. https://www.osti.gov/servlets/purl/1129392.
@article{osti_1129392,
title = {High-discharge-rate lithium ion battery},
author = {Liu, Gao and Battaglia, Vincent S and Zheng, Honghe},
abstractNote = {The present invention provides for a lithium ion battery and process for creating such, comprising higher binder to carbon conductor ratios than presently used in the industry. The battery is characterized by much lower interfacial resistances at the anode and cathode as a result of initially mixing a carbon conductor with a binder, then with the active material. Further improvements in cycleability can also be realized by first mixing the carbon conductor with the active material first and then adding the binder.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {4}
}

Patent:

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Works referenced in this record:

Effects of Various Conductive Additive and Polymeric Binder Contents on the Performance of a Lithium-Ion Composite Cathode
journal, January 2008

  • Liu, G.; Zheng, H.; Kim, S.
  • Journal of The Electrochemical Society, Vol. 155, Issue 12
  • DOI: 10.1149/1.2976031

Optimization of Acetylene Black Conductive Additive and PVDF Composition for High-Power Rechargeable Lithium-Ion Cells
journal, January 2007

  • Liu, G.; Zheng, H.; Simens, A. S.
  • Journal of The Electrochemical Society, Vol. 154, Issue 12
  • DOI: 10.1149/1.2792293