Rechargeable electrochemical apparatus and positive electrode thereof

摘要

PCT No. PCT/JP85/00162 Sec. 371 Date Dec. 5, 1985 Sec. 102(e) Date Dec. 5, 1985 PCT Filed Apr. 3, 1985 PCT Pub. No. WO85/04763 PCT Pub. Date Oct. 24, 1985.A rechargeable electrochemical device composed of a negative electrode (4) which comprises an alkali metal as an active material, a non-aqueous electrolyte (6), and a positive electrode (1). The positive electrode (1) is composed of an oxide of chromium and vanadium represented by the general formula: CrxV2(1-x)O5-(2+y)x (wherein 0.2