Flat battery

Claim 2

IN A PLANAR BATTERY HAVING A MULTIPLICITY OF DISCRETE ELECTRICALLY CONDUCTIVE LAYERS ARRANGED IN COOPERATIVE ELECTRICAL ASSOCIATION WITH ONE ANOTHER TO FORM A MULTICELL BATTERY, THE IMPROVEMENT COMPRISING. CONTINUOUS FRAME-TYPE ELECTRICALLY INSULATIVE SHEET SEALING MEANS HAVING A FIRST SURFACE ADJACENT AN INNER OPENING THEREIN THERMALLY BONDED TO ONE PERIPHERALLY DISPOSED SURFACE OF SUCH SAID DISCRETE ELECTRICALLY CONDUCTIVE LAYER AND EXTENDING OUTWARDLY FROM THE PERIPHERY OF SAID ELECTRICALLY CONDUCTIVE LAYER TO DEFINE A CONTINUOUS BORDER SEALING PORTION, AND DISCRETE, SHEET-TYPE SEPARATOR MEANS POSITIONED INTERMEDIATE SUPERPOSED ONES OF SAID ELECTRICALLY CONDUCTIVE LAYERS AND SHAPED HAVING A PERIPHERY EXTENDING BEYOND SAID SEALING MEANS INNER OPENING, SAID PERIPHERY REMAINING WITHIN SAID BORDER SEALING PORTION.

Claim 3

The improved thin battery of claim 1 in which said separator means is formed of electrolyte permeable paper.

Claim 4

The improved thin battery of claim 2 in which said paper is Kraft paper.

Claim 5

The improved thin battery of claim 1 in which said frame-type electrically insulative sheet sealing means are formed of sheet polyvinyl chloride.

Claim 6

The improved thin battery of claim 2 in which said separator means is formed of Kraft paper having a thickness of about 2.5 mils and said frame-type insulative sheet sealing means is formed of polyvinyl chloriDe having a thickness of about 5 mils.

Claim 7

A laminar battery comprsing: discrete, sheet-type electrically conductive thermoplastic electrode supports at least one of which is formed having a predetermined peripheral shape and arranged in superpositioned fashion in combination with electrode material and electrolyte to define at least one electrochemical cell; electrically insulative thermoplastic frames, each having an opening defined by an inner border, a first continuous sealing surface extending outwardly from said inner border and thermally sealed with one select peripherally disposed surface of a said electrode support, each said frame being dimensioned to extend beyond said electrode support of predetermined peripheral shape to define a continous second sealing surface, said frame being superpositioned in registry and mutually thermally intersealed at said second sealing surface; and discrete, sheet-type separator means positioned intermediate superpositioned ones of said electrode supports and shaped to provide a periphery extending beyond said frame opening but inwardly from said second sealing surface.

Claim 8

A laminar battery comprsing: discrete, sheet-type electrically conductive thermoplastic electrode supports at least one of which is formed having a predetermined peripheral shape and arranged in superpositioned fashion in combination with electrode material and electrolyte to define at least one electrochemical cell; electrically insulative thermoplastic frames, each having an opening defined by an inner border, a first continuous sealing surface extending outwardly from said inner border and thermally sealed with one select peripherally disposed surface of a said electrode support, each said frame being dimensioned to extend beyond said electrode support of predetermined peripheral shape to define a continous second sealing surface, said frame being superpositioned in registry and mutually thermally intersealed at said second sealing surface; and discrete, sheet-type separator means positioned intermediate superpositioned ones of said electrode supports and shaped to provide a periphery extending beyond said frame opening but inwardly from said second sealing surface.

Claim 9

The laminar battery of claim 6 in which said separator means is a sheet material shaped coextensive with said electrode support of predetermined peripheral shape.

Claim 10

The laminar battery of claim 6 in which said separator means is formed of electrolyte permeable paper.

Claim 11

The laminar battery of claim 8 in which said paper is Kraft paper.

Claim 12

The laminar battery of claim 6 in which said frames are formed of sheet polyvinyl chloride.

Claim 13

The laminar battery of claim 7 in which said separator means is formed of Kraft paper having a thickness of about 2.5 mils and said frame is formed of polyvinyl chloride having a thickness of about 5 mils.

Claim 14

The laminar battery of claim 6 in which the outwardly disposed ones of said discrete sheet-type electrically conductive electrode supports are formed as current collector assemblies comprising an outwardly facing metal foil coextensive and in electrical bond with the outward facing surface of said electrode support so as to provide a terminal contact surface for said battery.

Claim 15

The laminar battery of claim 12 in which one said current collector assembly is configured such that a portion thereof is foldable toward the oppositely disposed one of said current collector assemblies and including means electrically insulating said folded portion from said oppositely disposed collector assembly so as to provide adjacent terminal defining surfaces.

Claim 16

The laminar battery of claim 6 in which said electrode material includes positive and negative material, said positive material comprising manganese dioxide active material, said negative material comprises zinc active material, and said electrolyte comprises ammonium chloride and/or zinc chloride.

Claim 17

The laminar battery of claim 14 in which said first continuous sealing surface of said electrically insulative frames are sealed thermally to said electrode supports on a surface thereof supporting said negative material.

Claim 18

The laminar battery of claim 15 in which said frames are formed of polyvinyl chloride and said separator means are formed of Kraft paper.