Energy Research Corporation

Electric Power Research Institute Incorporated

Allen Charkey

Mark G Dodin

Stanley Januszkiewicz

Dwaine K Coates

Calman Herscovici

Anthony Leo

Isaac Levy

A zinc active material containing a calcium-zincate constituent is formed external of a battery. The zinc active material is used as the active material for a zinc electrode used in the battery.

Calcium-zincate electrode for alkaline batteries and method for making

A computer carrying case having a battery assembly integrated into a panel of the case. The battery assembly forms a structural component for the panel of the case into which it is integrated. In one form, the assembly is made of first and second nickel zinc battery modules. These modules are integrated into the top and bottom panels, respectively, of the case. Each module is of molded plastic form and includes a number of planar batteries each having insoluble roll bonded nickel electrodes.

Battery incorporated into computer carrying case

A zinc negative electrode comprising first and second zinc electrode assemblies separated by a porous hydrophobic element: Each of the zinc electrode assemblies includes a zinc active element and is devoid of any catalytic material for promoting oxygen gas recombination by the zinc active element.

Simplified zinc negative electrode with multiple electrode assemblies

A zinc negative electrode comprising a zinc active material, Ba(OH).sub.2 or Sr(OH).sub.2 and a conductive matrix including a metallic oxide which is more electropositive than zinc. The zinc negative electrode is incorporated into a zinc secondary battery having an electrolyte whose electrolyte constituent is a low percentage of the electrolyte. The zinc negative electrode is split into electrode assemblies separated by a porous hydrophobic element.

Sealed zinc secondary battery and zinc electrode therefor

A zinc negative electrode comprising a zinc active material, Ca(OH).sub.2 and a conductive matrix including a metallic oxide which is more electropositive than zinc. The zinc negative electrode is incorporated into a zinc secondary battery having an electrolyte whose electrolyte constituent is a low percentage of the electrolyte. The zinc negative electrode is split into electrode assemblies separated by a porous hydrophobic element.

A zinc secondary battery in which a plurality of battery cells are separated by bipolar plates which provide electrical conductivity between the cells and in which the battery cells and bipolar plates are arranged horizontally in a vertical stack.

Zinc secondary battery having bipolar plate construction with

A nickel electrode comprising a conductive support and a layer on said support comprising a conductive diluent and an active material including nickel hydroxide containing boron.

Nickel electrode for alkaline batteries

An assembly for recombining gases generated in electrochemical cells wherein a catalyst strip is enveloped within a hydrophobic, gas-porous film which, in turn, is encased between gas-porous, metallic layers. The sandwich construction of metallic layers and film is formed into a spiral with a tab for connection to the cell.

Gas recombination assembly for electrochemical cells

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 .mu.m and thermoplastic resin particles. The graphite and resin in the composite are in a weight ratio of from 1:5 to 1:1 and are formed by pressure-molding at 400 kg/cm.sup.2 or higher at 190.degree. C.

Stable carbon-plastic electrodes and method of preparation thereof

A nickel electrode including a conductive support and a layer on the support including a mixture of a nickel active material and a graphite diluent containing a spinel type oxide, the spinel type oxide having the formula M.sub.2 Co.sub.2 O.sub.4, where M.sub.2 is Co, Ni, Mn, Fe, Cu, Zn or Cd, or combinations thereof, and having a weight which is in the range of 1-30 percent of the weight of the diluent.

Batteries having a positive electrode and a negative electrode containing zinc and cadmium matter. The cadmium matter is an additive enhancing adherence of the negative electrode for zinc electroreduced from solid zinc compound state or deposited thereon from electrolytes. The zinc matter and the active material of the positive electrode are employed in quantities such that the cadmium matter is maintained electrochemically inactive with respect to the active material of the positive electrode in battery discharging.

Secondary batteries having a zinc negative electrode

A zinc electrode having a cement additive, preferably, Portland Cement, distributed in the zinc active material.

Zinc electrode with cement additive

A separator for an electrochemical cell comprising a container having opposing sides each formed from a layer of solid microporous material and a liquid polymer solution disposed within the container between said layers.

Separator incorporating liquid layer

A separator for use in an alkaline battery having a zinc electrode wherein the separator comprises a polyamide constituent, a wettable polymeric constituent and a filler material reactive with zinc.

Battery separator employing zinc selective additive materials

Electrodes containing zinc active material include a cadmium additive enhancing adherence of the electrode for zinc electroreduced from the solid zinc compound state or deposited thereon from electrolytes. Zinc alkaline batteries employing such electrodes exhibit extended discharge-recharge cycling capacity.

Growing community of inventors

Brookfield, CT, United States of America

Allen Charkey