Patent ID: 9425456
Filing Date: 2016-08-23
CPC Classification: H01M,Y02E,Y02P

Claim Text:
1. A positive electrode composition for use in an alkaline, rechargeable electrochemical cell, said composition comprising: a matrix material comprising a mixture of nickel hydroxide and a cobalt material comprising cobalt metal and/or a cobalt oxide, and/or cobalt hydroxide, wherein the weight percent of cobalt in said mixture relative to the nickel component thereof is greater than 6% and less than or equal to 14%; and particles of nickel hydroxide dispersed in said matrix, said nickel hydroxide particles being doped in their bulk with cobalt, the atomic percent of said cobalt being greater than 8% and less than or equal to 12%, said nickel hydroxide particles also having a coating of cobalt oxyhydroxide disposed thereupon.