Patent ID: 11901553
Assignee: DURACELL U.S. OPERATIONS, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  F  Y | IPC F  H

Claim 0:
1. A primary battery comprising:
a cathode comprising an electrochemically active cathode material, the electrochemically active cathode material comprising a beta-delithiated layered nickel oxide and the cathode having an initial porosity at the time of manufacture of the cathode in a range of about 20% to about 40%;
an anode;
a separator between the cathode and the anode;
an aqueous electrolyte comprising a hydroxide; and
the beta-delithiated layered nickel oxide comprising a chemical formula, the chemical formula comprising LixAyNi1+a−zMzO2·nH2O wherein:
x is from about 0.02 to about 0.20;
y is from about 0.03 to about 0.20;
a is from about 0 to about 0.2;
z is from about 0 to about 0.2;
n is from about 0 to about 1;
A comprising an alkali metal comprising potassium, rubidium, cesium, and any combination thereof; and
M comprising an alkaline earth metal, a transition metal, a non-transition metal, and any combination thereof.