Patent ID: 11936069
Assignee: NGK INSULATORS, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  C  Y | IPC C  H

Claim 0:
1. A layered double hydroxide, which is represented by the formula (I):

Ni2+1−(x+y+z)Fe3+xV3+yCo3+z(OH)2An−(x+y+z)/n·mH2O  (I), wherein, in the formula (I), (x+y+z) is from 0.2 to 0.5, “x” represents more than 0 and 0.3 or less, “y” represents from 0.04 to 0.49, and “z” represents more than 0 and 0.2 or less, “An-” represents any appropriate anion, “n” represents an integer of 1 or more, and “m” represents a real number of more than 0.