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AssigneePrazska akumulatorka, narodni podnik
InventorsJosef Sandera, Milan Calabek, Miroslav Cenek, Frantisek Kalab, Vojtech Koudelka, Oldrich Kouril, Jiri Malik, Josef Vanacek
Estimating the term…
Electrode for a rechargeable electrochemical current source and a method of making the same, said current source employing an electrolyte, the electrode having an electrically conductive collector and a mixture of an active mass in a plastic material distributed over the collector and sintered thereon to form an integral element. The electrode has a porous layer of material covering at least a substantial portion of its active surface, the porous layer being made of an electrically non-conductive material which is chemically inert with respect to the electrolyte, the plastic material being bonded to the porous layer by being sintered thereto.
In an electrode for a rechargeable storage battery employing an electrolyte, the electrode having a current collector and a mixture of an active mass and a plastic material distributed over the current collector and sintered thereon to form a skeleton of plastic in the body of said electrode, the improvement which comprises a porous layer of material covering at least a substantial part of the active surface of the electrode, the porous layer being made of an electrically non-conductive material which is chemically inert with respect to the electrolyte and which is bonded to the skeleton of plastic material.
In a method of making an electrode for a rechargeable storage battery employing an electrolyte, the electrode having a current collector and a mixture of an active mass and a plastic material distributed over the collector and sintered thereon to form an integral element therewith, the improved method which comprises placing a porous layer of material on the electrode to cover at least a substantial part of the active surface of the electrode, the porous layer being made of an electrically non-conductive material which is chemically inert with respect to the electrolyte, and bonding the plastic material to the porous layer by sintering it thereto.
Dependencies are inferred from the claim text.