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Zinc-air secondary battery

A secondary battery and air technology, applied to battery electrodes, fuel cell half-cells, secondary battery-type half-cells, circuits, etc., can solve problems such as the inability to discharge oxygen smoothly, and achieve excellent charging performance and oxygen emission high efficiency effect

Inactive Publication Date: 2018-09-28
E M W ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing air zinc secondary battery discharges oxygen during charging, which has the problem of being unable to smoothly discharge the oxygen existing in the zinc gel cathode part. Therefore, in order to improve the charging performance of the air zinc secondary battery, it is necessary to improve the Oxygen emission efficiency in the zinc gel cathode part is important

Method used

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Embodiment Construction

[0016] Various changes may be applied to the present invention, and various embodiments are possible, wherein specific embodiments are shown in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, but should be understood to include all changes, equivalents, and replacements within the spirit and technical scope of the present invention. In describing the present invention, if it is considered that the detailed description of related known technologies may make the gist of the present invention unclear, the detailed description will be omitted.

[0017] The terms used in this application are used only to describe a specific example, and are not intended to limit the present invention. Expressions in the singular include expressions in the plural unless otherwise defined in the context. In this application, terms such as "comprising" or "having" should be understood as specifying...

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Abstract

The present invention relates to a zinc-air secondary battery, more specifically to a zinc-air secondary battery comprising: an air positive electrode part; a separator; and a zinc gel negative electrode part, wherein the zinc gel negative electrode part comprises therein at least one middle layer made of mesh or foam.

Description

technical field [0001] The present invention relates to an air zinc secondary battery with high oxygen emission efficiency. Background technique [0002] An electrochemical power source refers to a device capable of generating electrical energy through an electrochemical reaction, and an air zinc secondary battery also belongs to the electrochemical power source. The air zinc secondary battery employs a zinc gel cathode part made of zinc gel converted into zinc oxide during discharge, while the anode acts as a permeable membrane containing water molecules, using A membrane-shaped air anode part that generates hydroxide ions in contact with oxygen in the air. [0003] Compared with the existing hydrogen fuel cells, the above-mentioned air zinc secondary battery has many advantages. In particular, fuels such as zinc are abundant as metals or oxides thereof, and thus have an advantage that the energy supply provided by the air zinc secondary battery is not visibly depleted. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M12/08H01M4/134H01M4/74
CPCH01M4/134H01M4/74H01M12/08Y02E60/10
Inventor 柳秉勋公载景
Owner E M W ENERGY CO LTD
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