TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred Component: The hydrogen electrode comprises a source of gaseous hydrogen, an anode active material having hydrogen storage capacity, and a mechanism for transporting the gaseous hydrogen to the gaseous hydrogen contacting surface of the anode active material.The bipolar plate has channels (45) depressed into the hydrogen side and oxygen side.The hydrogen electrode comprises a deep channel having a conductive backing.The oxygen electrode comprises a source of oxygen, a cathode active material having oxygen storage capacity, and mechanism for transporting the gaseous oxygen.It also comprises a gas diffusion layer, a catalyst layer, a PTFE layer, and a current collector (60) grid. The hydrogen electrode, the hydrogen electrolyte chamber, the bipolar plate, the oxygen electrode, and the oxygen electrolyte chamber, the first current collector, and the second current collector are disposed between two fuel cell end plates (70). The bipolar plates have pin hole(s) and elastic pin (80).    TECHNOLOGY FOCUS - POLYMERS - Preferred Component: The bipolar plate comprises nickel, or conductive plastic comprising a conductive agent and a plastic element. The conductive agent is graphite, copper or conducting plastic. The plastic element is polyacetylenes, polypyrroles, or azide plastics. Each electrolyte chamber comprises a porous support structure disposed between two membranes and comprising expanded polymer sheet from polyolefin.The hydrogen electrode also includes a polytetrafluoroethylene (PTFE) layer. The anode active material layer comprises a mixture of mischmetal nickel alloy (39 wt.%), raney nickel (49 wt.%), graphite (4 wt.%), or PTFE powder (8 wt.%). The hydrogen electrode also includes a current collector grid from mesh, grid, matte, expanded metal, foil, foam or perforated plate. The gas diffusion layer comprises 60 wt.% PTFE and 40 wt.% carbon black. A first porous layer of the oxygen electrode comprises a carbon matrix from 15-25 wt.% PTFE coated carbon particles. The porous second layer comprises a carbon matrix comprising 40-60 wt.% PTFE coated carbon particles.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The conductive backing and the current collector grid also include a conductive metal from nickel, nickel plated steel, or nickel plated copper. The cathode active material comprises a redox couple from nickel hydroxide/nickel oxyhydroxide or cobalt hydroxide/cobalt oxyhydroxide. The redox couple comprises a metal/metal oxide coupled with copper, silver, zinc or cadmium. The catalyst layer comprises 50 wt.% of a mixture of 40 wt.% PTFE and 60 wt.% carbon black; 15 wt.% carbon black; 15 wt.% graphite; and 20 wt.% silver oxide. The silver oxide contains a lithium aluminum alloy. It also contains gallium.The electrolyte solution comprises a potassium hydroxide solution. The oxygen stream comprises air. The hydrogen stream comprises gaseous hydrogen.The carbon matrix further comprises 0-50 wt.% of a peroxide decomposer from potassium doped manganese, manganese (IV) oxide, manganese (II) oxide, cobalt oxides, nickel oxides, and/or iron oxides. It is impregnated with an active catalyst material via chemical vapor deposition and using a precursor from silver (I) nitrate (AgNO3), AgNO3/gallium nitrate (Ga(NO3)3) mixture, AgNO3/lithium nitrate, cobalt (II) nitrate, a cobalt amine complex, nickel (II) iodide nitrate, manganese (II) nitrate, cyano complexes, organo-metallic complexes, amino complexes, citrate/tartrate/lactate/oxalate complexes, and/or transition metal complexes. The elastic pin is made of nickel, steel or copper.