Metal-air battery and gas impermeable anodic conductive matrix

摘要

A metal-air battery includes a canister and a spiral wound electrode assembly disposed within the canister. The electrode assembly includes an ion permeable and substantially gas impermeable anode, a catalytic cathode, and a dielectric separator disposed between the anode and cathode.

主权项

1. A metal anode comprising:
a metal current collector; and a conductive matrix in electrical contact with the current collector and including (i) metal particles in electrical contact with each other and having a surface area defining voids within the conductive matrix and (ii) a water and hydroxide ion permeable and substantially active metal ion and gas impermeable non-porous integument on the surface area.