H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/24
H01M 4/96 (2006.01) H01M 10/34 (2006.01) H01M 12/08 (2006.01)
Patent
CA 1120532
FP-37/115 ABSTRACT OF THE DISCLOSURE The improved hydrogen electrode of the present invention comprises a porous sheet of carbon particles catalyzed by platinum or palladium and bonded together with a hydrophobic binder, preferably Teflon, a registered U.S. trademark of E.I. du Pont de Nemours & Co. for polytetrafluoroethylene, so that the sheet is wetproofed. A conductive metallic screen coated on one side with a hydrophobic binder is laminated on that coated side to the sheet. The improved electrochemical cell of the present invention includes the improved hydrogen electrode functioning as an anode, plus a cathode such as porous sintered nickel or silver plaque facing the screen-free side of the anode sheet and separated therefrom by a bibulous separator con- tacting both the anode and the cathode and containing sufficient liquid electrolyte to substantially fill the pores of the cathode and anode. The cell also includes sealing means, including peripheral gasket means, to prevent undesired leakage of electrolyte and gases from the cell. The sealing means provides controlled access of hydrogen only to the screen covered side of the anode. The conductive means joining the anode and cathode comprises the metallic screen with or without the metallic spacer present. The cells in the stack are series connected. No external connections are required for current flow through the stack. Terminal end plates are provided to help seal the stack. The improved hydrogen anode, cell and battery exhibit improved performance, durability, reliability and compact construction.
327458
Berchielli Aldo S.
Chireau Roland F.
George H. Riches And Associates
Yardney Electric Corporation
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