Patent 12132211 was granted and assigned to e-Zinc on October, 2024 by the United States Patent and Trademark Office.
An apparatus which can include a cathode membrane for a power source is provided. The power source can include a current collector which can include a porous substrate. The power source can include a layer that coats the porous substrate to provide a catalyst for the cathode membrane. The layer can be formed from a mixture of hausmannite and cation intercalated manganese oxide.