Enhancing the rate capability of high capacity xLi{sub 2}MnO{sub 3} {sm_bullet} (1-x)LiMO{sub 2} (M=Mn, Ni, Co) electrodes.
Journal Article
·
· Electrochem. Commun.
The rate capability of high capacity xLi{sub 2}MnO{sub 3} {center_dot} (1 - x)LiMO{sub 2} (M = Mn, Ni, Co) electrodes for lithium-ion batteries has been significantly enhanced by stabilizing the electrode surface by reaction with a Li-Ni-PO{sub 4} solution, followed by a heat-treatment step. Reversible capacities of 250 mAh/g at a C/11 rate, 225 mAh/g at C/2 and 200 mAh/g at C/1 have been obtained from 0.5Li{sub 2}MnO{sub 3} {center_dot} 0.5LiNi{sub 0.44}Co{sub 0.25}Mn{sub 0.31}O{sub 2} electrodes between 4.6 and 2.0 V. The data bode well for their implementation in batteries that meet the 40-mile range requirement for plug-in hybrid vehicles.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- EE
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 952930
- Report Number(s):
- ANL/CSE/JA-63485
- Journal Information:
- Electrochem. Commun., Journal Name: Electrochem. Commun. Journal Issue: 4 ; Apr. 2009 Vol. 11; ISSN 1388-2481
- Country of Publication:
- United States
- Language:
- ENGLISH
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