Patent ID: 9728780
Date: 2017-08-08
CPC Classifications: C01G,C01P,H01M,Y02E

Claim:
1. A battery having a layered oxide material having a general chemical formula Na x Cu i ,Fe j Mn k M y O 2+β : wherein M is an element that is doped for replacing the transition metals, and is specifically one or more of Li x, y, i, j, k, and β are respectively the molar ratios of respective elements, provided that x, y, i, j, k, and β satisfy the relations: y+i+j+k=1, and x+my+2i+3j+4k=2(2+β), wherein 0.8≦x≦1, 0<i≦0.3, 0<j≦0.5, 0<k≦0.5, −0.02≦β≦0.02, and m is the valence of M; and wherein the layered oxide material has a space group of R