Patent ID: 9257697
Filing Date: 2016-02-09
CPC Classification: H01M,Y02E,Y02P,Y02T

Claim Text:
1. A positive electrode material for use in a positive electrode for a non-aqueous rechargeable battery, comprising: a positive electrode active material including a lithium nickel composite oxide represented by the following general compositional formula (1); a coating layer formed on a surface of said positive electrode active material and made of an organic compound; an alkaline component having a content of 0.22% to 2%; and when the supernatant of a mixture obtained by mixing and stirring 20 g of the positive electrode active material and 100 ml of pure water in a nitrogen atmosphere for 1 hour is titrated with 0.2 mol/l hydrochloric acid, a titer is from 9.3 to 103.2 ml; where −0.5≦x≦0.5, M represents a group of at least two elements including at least one of Mn and Co and Ni and 20≦a<100 and 50≦a+b+c≦100 when the ratios (mol %) of Ni, Mn and Co in the elements forming M are a, b, and c, respectively.