▎ 摘　　要

NOVELTY - Battery comprises a metal anode and a cathode equipped on opposite sides of a body. The cathode comprising a carbon-based textured scaffold including a plurality of macroporous pathways configured to distribute oxygen and water vapor supplied by ambient air throughout the cathode and into interior portions of the body. A nano-fibrous membrane (NFM) equipped between the cathode and the metal anode. The NFM including one or more dry salts configured to produce a liquid electrolyte when exposed to water vapor delivered by the plurality of macroporous pathways of the cathode. A hygroscopic interphase layer disposed between the cathode and the NFM. The hygroscopic interphase layer including a plurality of microporous pathways configured to drain excess quantities of the water vapor from the cathode and hydrate the one or more dry salts with the water vapor. USE - Battery. ADVANTAGE - The battery is smaller, lighter, and longer-lasting, that can deliver more power at lower costs. DESCRIPTION OF DRAWING(S) - The drawing shows the schematic view of metal air battery. Metal air battery. (100.) Body. (110.) Anode. (120.) Cathode. (130.) Nano-fibrous membrane. (140.)