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Electrodes with high power and high capacity for rechargeable lithium batteries

Cited 2322 time in Web of Science Cited 2389 time in Scopus
Authors

Kang, Kisuk; Meng, Ying Shirley; Breger, Julien; Grey, Clare P; Ceder, Gerbrand

Issue Date
2006-02
Publisher
American Association for the Advancement of Science
Citation
Science, Vol.311 No.5763, pp.977-980
Abstract
New applications such as hybrid electric vehicles and power backup require rechargeable batteries that combine high energy density with high charge and discharge rate capability. Using ab initio computational modeling, we identified useful strategies to design higher rate battery electrodes and tested them on lithium nickel manganese oxide [Li(Ni0.5Mn0.5)O-2], a safe, inexpensive material that has been thought to have poor intrinsic rate capability. By modifying its crystal structure, we obtained unexpectedly high rate-capability, considerably better than lithium cobalt oxide (LiCoO2), the current battery electrode material of choice.
ISSN
0036-8075
URI
https://hdl.handle.net/10371/165192
DOI
https://doi.org/10.1126/science.1122152
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