H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/37
H01M 4/48 (2006.01) H01M 4/36 (2006.01) H01M 4/58 (2006.01) H01M 4/96 (2006.01) H01M 10/00 (2006.01) H01M 10/40 (2006.01)
Patent
CA 1265580
Abstract of the Disclosure This invention provides a secondary battery in a nonaqueous type using a substance indicated in I below and/or a substance indicated in II below as an active material for either of positive and negative electrodes: I: a composite oxide possessing a layer structure and represented by the general formula: AxMyNzO2 wherein A stands for at least one alkali metal, M for a transition metal, N for at least one member selected from the group consisting of Al, In, and Sn, and x, y, and z respectively for the number falling in a specific range, II: an n-doped carbonaceous material which has a BET-method specific surface area, and a crystal thickness, Lc, in the X-ray diffraction and a true density, ?, both having the values falling in a specific range, The secondary battery of this invention is small and light, excels in cyclicity and self-discharging property, and possesses a high energy density.
508570
Nakajima Takayuki
Sanechika Kenichi
Yoshino Akira
Asahi Kasei Emd Corporation
Ridout & Maybee Llp
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