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| Number | Title | Issue Date |
| 5209995 | Zinc alkaline cells A zinc alkaline cell is formed by using an anode active material which contains a non-amalgamated zinc alloy powder having a bulk specific gravity ranging from approximately 2.90 to 3.50 (grams per cm3) and containing a predetermined amount of ... | 05/11/1993 |
| 5198315 | Zinc alkaline cells A zinc alkaline cell is formed by using an anode active material which contains a non-amalgamated zinc alloy powder having a bulk specific gravity ranging from approximately 2.90 to 3.50 (grams per cm3) and containing a predetermined amount of ... | 03/30/1993 |
| 5143799 | Sealed batteries with zinc electrode A sealed rechargeable nickel-zinc or silver-zinc electrochemical cell including two compartments, one having a zinc electrode and a first hydrogen electrode and the other having a nickel or silver electrode and a second hydrogen electrode electrically con... | 09/01/1992 |
| 5139900 | Zinc alkaline cells A zinc alkaline cell is formed by using an anode active material which contains a non-amalgamated zinc alloy powder having a bulk specific gravity ranging from approximately 2.90 to 3.50 (grams per cm3) and containing a predetermined amount of ... | 08/18/1992 |
| 5132177 | Alkaline storage cell A rechargeable alkaline storage cell comprising a positive electrode including an active material which mainly comprises nickel hydroxide added with zinc or a zinc compound. The cell further comprises a negative electrode and an alkaline electrolyte which... | 07/21/1992 |
| 5128222 | Zinc-alkaline batteries The present invention provides a zinc-alkaline battery giving no environmental pollution and having an excellent shelf stability, which comprises a zinc alloy as an anode active material and an aqueous alkaline solution as an electrolyte, and manganese di... | 07/07/1992 |
| 5122375 | Zinc electrode for alkaline batteries A negative zinc electrode for use in an alkaline battery has an active material consisting of zinc-magnesium alloy containing magnesium in an amount in the range of greater than 0% to about 15% by weight. The zinc-magnesium alloy may also contain a small ... | 06/16/1992 |
| 5112705 | Coated anode current collector for alkaline cells The invention relates to an alkaline zinc cell that uses a conductive anode current collector comprising a conductive substrate, such as a copper-zinc alloy substrate, and wherein the surface of the substrate is coated with a lead-containing layer contain... | 05/12/1992 |
| 5108494 | Zinc alloy powder for alkaline cell and method for production of the same A non-amalgamated zinc alloy powder for use in an alkaline cell which comprises 1 ppm or less of iron and an elemental component selected from among the following combinations (1) to (5): (1) 0.01 to 0.5% by weight of bismuth, 0.01 to 0.5% by weight of indium ... | 04/28/1992 |
| 5069988 | Metal and metal oxide catalyzed electrodes for electrochemical cells, and methods of making same Porous electrodes for use in fuel cells and other electrochemical cells are disclosed. Principally, the electrodes a catalytically active layer on a porous conductive substrate, which catalytically active layer is derived from non-noble metals. The loadin... | 12/03/1991 |
| 5043234 | Recombination of evolved oxygen in galvanic cells using transfer anode material In rechargeable, electrochemical cells, oxygen may evolve on charge, overcharge or any reversal of polarity. The invention concerns an auxiliary, electrochemical, transfer electrode to catalyze the recombination of such oxygen with the anode mass. The aux... | 08/27/1991 |
| 5034291 | Aluminum compound additives to reduce zinc corrosion in anodes of electrochemical cells In accordance with the present invention, an electrochemical cell is disclosed comprising a metal oxide cathode; an anode/electrolyte mixture which contains a zinc anode material and an aluminum compound additive as an source of aluminum ions (e.g., an al... | 07/23/1991 |
| 4996129 | Battery The invention concerns rechargeable lithium batteries and anodes for such batteries and method of making the anodes, and comprises the features: (a) the anode may be of a solution type alloy of commercial purity Al with at least one of Mg, Ga, Ca, Si, Sn,... | 02/26/1991 |
| 4994333 | Galvanic primary cell In an acid-type primary cell with a zinc anode containing non-toxic or only little harmful substances, the usual toxic components of the zinc alloy such as mercury and cadmium are replaced by at least one of the elements indium and bismuth, and by at leas... | 02/19/1991 |
| 4968569 | Secondary battery A secondary battery which comprises a positive-electrode material, an electrolyte solution, a negative-electrode material comprising zinc, and a negative-electrode substrate made of lead or a lead alloy. In a modification, the negative-electrode substrate... | 11/06/1990 |
| 4957827 | Rechargeable alkaline manganese cells with zinc anodes A rechargeable alkaline electrochemical cell has a manganese dioxide cathode and a zinc anode. The cathode is mixed with graphite or other conductive carbon and a binder, and is contained by a metallic screen which also serves as an oxygen evolution catal... | 09/18/1990 |
| 4957826 | Rechargeable metal-air battery A zinc anode plate is completely wrapped in a cloth anode separator containing liquid electrolyte. A hydro-gel material packed in an inert mesh separator is sandwiched between the wrapped anode and an air cathode which is in the form of a carbon membrane.... | 09/18/1990 |
| 4900642 | Catalytic recombination of evolved oxygen in galvanic cells In rechargeable, electrochemical cells, oxygen may evolve on charge, overcharge or any reversal of polarity. The invention concerns an auxiliary, electrochemical, transfer electrode to catalyze the recombination of such oxygen with the anode mass. The aux... | 02/13/1990 |
| 4861688 | Zinc-alkaline battery This invention uses as the anode active material a zinc alloy containing Ni, at least one element selected from In, Pb, Ga and Cd and, optionally further, one element selected from Al, Mg, Ca, Ba and Sr for the anode of a conventional zinc-alkaline batter... | 08/29/1989 |
| 4857283 | Use of sulfur dioxide for corrosion inhibition in acid gas scrubbing processes Disclosed is a process for scrubbing acid gases from an H2 -containing acid gas stream by use of an aminecontaining aqueous scrubbing solution wherein the corrosion of metal surfaces in contact with such a solution is inhibited by use of an eff... | 08/15/1989 |
| 4851309 | Rechargeable electrochemical apparatus and negative electrode thereof A rechargeable negative electrode for an electrochemical apparatus using nonaqueous electrolytes, said electrode comprising an alloy comprising (1) at least one metal selected from the group consisting of Sn, Pn, In and Bi and (2) Zn or Zn and Cd, as well... | 07/25/1989 |
| 4812374 | Anode active material and alkaline cells containing same, and method for the production thereof An anode active material of zinc powder with indium coexisting therewith, the metals being amalgamated, an alkaline cell using the anode active material therein, and a method for the production of the anode active material or the alkaline cell.... | 03/14/1989 |
| 4781999 | Method of stabilizing electrochemical primary cells having reactive anodes of zinc, aluminum, or magnesium; a stabilized anode obtained by said method; and a cell including such an anode The invention provides a method of stabilizing a primary electrochemical cell which includes at least one reactive anode made of a metal selected from the group constituted by zinc, aluminum, and magnesium, the method consisting in adding a stabilizer to ... | 11/01/1988 |
| 4758473 | Stable carbon-plastic electrodes and method of preparation thereof Novel bipolar electrodes for electrochemical cells and methods for making same are provided. The bipolar electrodes comprise a pressure-molded composite of heat-treated graphite particles having a particle size distribution of 0 to 45 μm and thermoplasti... | 07/19/1988 |
| 4743185 | Corrosion resistant mercury-free zinc anode battery An electrochemical cell comprising a zinc electrode in an electrolyte solution wherein the electrode is formed from a zinc powder compacted to a density of at least about 6.5 g/cc to substantially reduce the corrosion of the zinc electrode and the consequ... | 05/10/1988 |
| 4735876 | Zinc-alkaline battery This invention uses a zinc alloy containing In, one element of Al or Mg and, optionally, one or both of Pb and Cd for the anode of a zinc-alkaline battery which employs zinc as an active material of the anode (2), aqueous alkaline solution as an electroly... | 04/05/1988 |
| 4722763 | Method for making irregular shaped single crystal particles for use in anodes for electrochemical cells A method of making single crystals of metal or other crystallizing materials whereby powders of irregular shaped single crystal particles (as small as 325 mesh or about 50 microns) may be readily and economically made. Said method comprises the steps of: ... | 02/02/1988 |
| 4695522 | Aqueous battery with (Cy Fx Clz)n cathode A novel high energy density aqueous cell exhibiting superior electrochemical properties is described. The use of the novel cathode composition, (Cy Fx Clz)n, permits the construction of a novel high energy densi... | 09/22/1987 |
| 4663255 | Electric battery An electric battery consisting of an electrolyte-containing chamber and an anode as well as a cathode in contact with the electrolyte in the electrolyte-containing chamber. A suspension of zinc is in the electrolyte-containing chamber and the suspension i... | 05/05/1987 |
| 4658498 | Process for producing rechargeable electrochemical device An alloy capable of reversibly absorbing and desorbing lithium ions in a non-aqueous electrolyte containing lithium ions on charging and discharging has excellent applicability to anode for rechargeable electrochemical devices. However, such alloy, when a... | 04/21/1987 |
| 4649093 | Corrosion resistant mercury-free zinc anode battery An electrochemical cell comprising a zinc electrode in an electrolyte solution wherein the electrode is formed from a zinc powder compacted to a density of at least about 6.5 g/cc to substantially reduce the corrosion of the zinc electrode and the consequ... | 03/10/1987 |
| 4617242 | Organic siliconate additive for alkaline zinc electrochemical cells An electrochemical zinc/air cell which includes an organic siliconate, such as methyl siliconate, in contact with the zinc anode. The siliconate may be present as an additive to the electrolyte or a coating on the zinc anode or separator.... | 10/14/1986 |
| 4608279 | Galvanic cells having ion exchange resin in their cathode mix Galvanic cells of the Leclanche and zinc chloride type which employ cathode mixes having relatively high ratios of EMD to conductive material and which include a minor amount of ion exchange resin in their cathode mixes exhibit enhanced light drain servic... | 08/26/1986 |
| 4608325 | Anode binders for electrochemical cells A blend of powders to be used in gelled anodes of electrochemical cells contains oil binders comprised of liquid petrolatum or halocarbon, particularly fluorocarbon, oils. Such binders maintain homogeneity of the powdered anode blends even under adverse s... | 08/26/1986 |
| 4604335 | High rate cathode formulation An alkali metal, non-aqueous electrolyte cell having a cathode active material with minor amounts of powdered zinc and sulfur. The process of making the cathode includes pelletizing the powdered cathode materials and heating the pellets to interdiffuse zi... | 08/05/1986 |
| 4592974 | Active material for negative poles of alkaline dry cells, and method for making said material Novel active materials for negative poles in alkaline dry cells, and method of preparing the same are disclosed. Said materials and method do not employ harmful Hg. In place of Hg, an alloy containing at least three elements selected from Bi, Pb, In, Cd, ... | 06/03/1986 |
| 4585716 | Cell corrosion reduction Corrosion is reduced in aqueous electrochemical cells having zinc anodes by utilizing mercury amalgamated discrete single crystal zinc particles to which small amounts of one or more of indium, thallium, gallium, bismuth, cadmium, tin and lead have been a... | 04/29/1986 |
| 4579791 | Cell anode A method for making single crystals of metal or other crystallizing materials whereby powders of irregular shaped single crystal particles (as small as 325 mesh or about 50 microns) may be readily and economically made. Said method comprises the steps of:... | 04/01/1986 |
| 4563404 | Cell gelling agent A cell having an anode comprised of an anode metal gelled with a hydrolyzed polyacrylonitrile gelling agent.... | 01/07/1986 |
| 4544616 | Secondary battery containing zinc electrode with modified separator and method A battery containing a zinc electrode with a porous separator between the anode and cathode. The separator is a microporous substrate carrying therewith an organic solvent of benzene, toluene or xylene with a tertiary organic amine therein, wherein the te... | 10/01/1985 |
