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Title: Secondary battery material and synthesis method

Patent ·
OSTI ID:1107605
; ;

A composite Li.sub.1+xMn.sub.2-x-yM.sub.yO.sub.4 cathode material stabilized by treatment with a second transition metal oxide phase that is highly suitable for use in high power and energy density Li-ion cells and batteries. A method for treating a Li.sub.1+xMn.sub.2-x-yM.sub.yO.sub.4 cathode material utilizing a dry mixing and firing process.

Research Organization:
Farasis Energy, Inc. (Hayward, CA)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG02-03ER83868
Assignee:
Farasis Energy, Inc. (Hayward, CA)
Patent Number(s):
8,563,174
Application Number:
11/717,272
OSTI ID:
1107605
Country of Publication:
United States
Language:
English

References (7)

Complete blocking of Mn3+ ion dissolution from a LiMn2O4 spinel intercalation compound by Co3O4 coating journal January 2001
Improving the high-temperature performance of LiMn2O4 spinel by micro-emulsion coating of LiCoO2 journal January 2002
Surface/chemically modified oxide cathodes for lithium-ion batteries patent-application June 2003
Improvement of the rate capability of LiMn2O4 by surface coating with LiCoO2 journal December 2001
Surface/Chemically Modified LiMn[sub 2]O[sub 4] Cathodes for Lithium-Ion Batteries journal January 2002
Surface treatment of LiNi0.8Co0.2O2 cathode material for lithium secondary batteries journal December 2001
Rechargeable spinel lithium batteries with greatly improved elevated temperature cycle life patent December 2002

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