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(Ni 0.5 Mn 0.5 )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 (LiCoO 2 ), the current battery electrode material of choice.

Keywords

Battery (electricity)ElectrodeCobalt oxideMaterials scienceLithium (medication)BackupEnergy densityPower densityOxideManganeseLithium cobalt oxideEnergy storageOptoelectronicsPower (physics)Lithium-ion batteryComputer scienceEngineering physicsChemistryMetallurgyThermodynamicsPhysical chemistryEngineering

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Publication Info

Year
2006
Type
article
Volume
311
Issue
5763
Pages
977-980
Citations
2582
Access
Closed

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Cite This

Kisuk Kang, Ying Shirley Meng, Julien Bréger et al. (2006). Electrodes with High Power and High Capacity for Rechargeable Lithium Batteries. Science , 311 (5763) , 977-980. https://doi.org/10.1126/science.1122152

Identifiers

DOI
10.1126/science.1122152