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Fuel Cells

Sealed-battery-and-method-for-manufacturing-same

Automatic sorter for fruits and the like

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OF THE INVENTION Referring now to the drawings wherein like numerals are used to indicate like ...

Rechargeable electrochemical cell with a negative electrode comprising a hydrogen absorbing alloy including rare earth component

The object of the present invention is to provide a long-life rechargeable electrochemical cell ...

Catalytic recombination of corrosion evolved hydrogen in alkaline cells

We claim: 1. A primary or rechargable electrochemical sealed cell in which hydrogen may evolve, ...

Alkaline storage battery and method of producing negative electrode thereof

OF THE INVENTION The present invention will be described hereunder with respect to various ...

Recombination of evolved oxygen in galvanic cells using transfer anode material

What we claim is: 1. A rechargeable electrochemical cell having a metal oxide cathode, metal anodic ...

Catalytic hydrogen storage electrode materials for use in electrochemical cells and electrochemical cells incorporating the materials

OF THE INVENTION In accordance with the present invention, there is provided a family of hydrogen ...

Gas-tight, sealed metal oxide/hydrogen storage battery

It is therefore the primary object of the present invention to provide a storage battery of the ...

Sealed battery and method for manufacturing same

Details

Inventors: Yoshio, Hideaki; Mizutani, Seiichi; Tsurutani, Shinji; Nakatsuka, Saburo; Iida, Mamoru;
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP)
Primary Examiner: Chaney; Carol
Assistant Examiner: Ruthkosky; Mark
Attorney, Agent or Firm: Jordan and Hamburg LLP

A metal reinforcing plate is welded in place close to the opening on the inside of the battery case, and a plastic insulation gasket and a sealing member provided with an anti-explosion mechanism or the like are sequentially mounted on the metal reinforcing plate. By this arrangement, higher battery capacity can be realized by eliminating the waste of space because it is unnecessary to form a conventional indentation around the upper wall of a battery case. A sealed battery construction having an anti-explosion mechanism and being highly reliable in terms of leakage prevention can be thereby obtained.

DETAILED DESCRIPTION An object of the present invention is to provide a sealed battery in which higher battery capacity can be achieved by removing from a battery case of constant size any unnecessary space needed other than the space for accommodating electricity-generating elements, and a sealing member with an anti-explosion mechanism, and a sealed construction that remains highly reliable in terms of leakage prevention.
A sealed battery of the present invention comprises a metal reinforcing plate welded in place close to the opening on the inside of a battery case, and a sealing member obtained by combining a plastic insulation gasket, and a battery anti-explosion mechanism, and mounted on the above-mentioned metal reinforcing plate.
Because this arrangement makes forming an indentation in the battery case unnecessary, it is possible to provide a battery in which the wasted space inside the case can be eliminated, higher battery capacity can be achieved, and high reliability in terms of leakage prevention can be maintained.

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