| 2 | Nano-sized LiCoO_2 Cathode for Use in Lithium-ion Cells显示文摘1 Results Lithium ion batteries are widely used in many portable devices.However,their power density is not sufficient for use in electric vehicles.One of the most effective methods to improve the power density is the use of very fine cathode particles.We investigated new method,excess lithium method,of preparing nano-sized LiCoO2 powders.To begin with,lithium acetate and cobalt acetate are mixed by the molar ratio 9,13 or 21 to 1,uniformly.And the mixture is calcined at 600 ℃ for 6 hours.Finally,obtain... | J.Yamaki T.Doi S.Okada | 2007 | 复旦学报(自然科学版)2007，46，5： | 0 |
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