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Battery can and alkaline battery

一种电池罐、电极的技术，应用在碱性电池领域，能够解决碱性电池制造成本增加、零部件数量增加等问题，达到提高耐液体泄漏性能、增加制造成本、降低气体发生量的效果

Active Publication Date: 2011-08-10
FDK ENERGY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the number of parts will also increase, so the manufacturing cost of alkaline batteries will increase

Method used

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  • Battery can and alkaline battery
  • Battery can and alkaline battery
  • Battery can and alkaline battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] One embodiment of the invention will be described in detail below based on the drawings. figure 1 It is a cross-sectional view showing a schematic configuration of the alkaline battery 10 of the present embodiment. In addition, the alkaline battery 10 of this embodiment is an LR03 type (size 7) battery.

[0033] Such as figure 1 As shown, the alkaline battery 10 has a bottomed cylindrical positive electrode can 11 (battery can), an annular positive electrode mixture 12 (electrode mixture) embedded along the inner surface of the positive electrode can 11, inserted into the positive electrode mixture 12 The inner bottomed cylindrical separator 13, the gel-like negative electrode mixture 14 arranged in the center of the positive electrode can 11, the hollow part of the separator 13, and the current collector attached to the opening 15 of the positive electrode can 11 16.

[0034] The positive electrode can 11 is a press-worked product made of nickel-plated steel plate...

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PUM

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Abstract

A battery can which allows a reduced amount of gas to be generated in a battery can be realized at low cost. A closed-bottomed tubular battery can has an opening, a body, and a bottom, wherein the body is divided into an opening sealing section and an electrode mixture containing section which are arranged in that order from the opening side, the plate thickness set for the electrode mixture containing section is not more than 80% of the plate thickness of the opening sealing section, and the plate thickness of the electrode mixture containing section decreases gradually in a region beginning at the uppermost position of the electrode mixture containing section and ending at the position at which the plate thickness reaches the set plate thickness.

Description

technical field [0001] The present invention relates to a bottomed cylindrical battery can including an opening, a can body, and a bottom, and an alkaline battery constructed using the battery can. Background technique [0002] Generally, an alkaline battery includes a bottomed cylindrical positive electrode tank, an annular positive electrode mixture accommodated in the positive electrode tank, a gel-like negative electrode mixture arranged in the center of the positive electrode tank, a gel-like negative electrode mixture between the positive electrode mixture and the gel-like A bottomed cylindrical separator between the negative electrode mixture and a current collector attached to the opening of the positive electrode can. In addition, the current collector has a negative terminal, a sealing plate, and a sealing gasket. In addition, in the positive electrode can, an air chamber is formed between the back surface of the sealing gasket and the negative electrode mixture. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02H01M6/08H01M50/119
CPCH01M6/08H01M2/0421Y02E60/124H01M10/28H01M2/0235H01M2/0257Y02E60/10H01M50/182H01M50/154H01M50/119
Inventor 村上行由国谷繁之
Owner FDK ENERGY CORP
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