Abstract: Air electrodes for secondary metal-air batteries or secondary metal hydride-air batteries, in particular, bifunctional air electrodes that can undergo oxygen reduction and oxygen evolution with high reaction rates. A method of manufacturing such electrodes.
Abstract: Zinc electrodes for use in batteries, the electrode containing an organic gelling agent, an organic binding agent, calcium zincate and an electro-active element. A method of manufacturing such electrodes, and use of such electrodes in primary and secondary batteries.