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metal air fuel cell

A fuel cell and metal-air technology, which is applied to fuel cell type half cells and primary cell type half cells, battery pack components, battery boxes/jackets, etc., can solve the problem of reducing the degree of hydrogen evolution corrosion, air consumption, and complicated operation. and other problems, to achieve the effect of prolonging the service life and use efficiency, prolonging the service life and reducing the use cost

Active Publication Date: 2017-03-08
ZHEJIANG SUNCLOSE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The working principle of the existing metal-air fuel cells is that while consuming metal, oxygen in the air needs to be consumed, so air intervention is inseparable. Increase the fan to enhance air convection and ensure the oxygen supply required by the battery, so it cannot be sealed
At present, the existing metal-air fuel cells can only have one working posture because they cannot be sealed, that is, the two sides are air electrodes that absorb oxygen, and the upper end is an unsealed and detachable metal electrode socket. Leakage loss will also make the air electrode inoperable and the battery will fail
[0003] In addition, the hydrogen evolution corrosion of metal electrodes in air fuel cells in the electrolyte is a worldwide problem. At present, the best solution is to use metal electrodes made of alloy technology to reduce the degree of hydrogen evolution corrosion. At the same time, when the battery is not in use, the electrolytic liquid to separate it from the metal electrode and terminate the conditions for hydrogen evolution corrosion. At present, there is no solution to completely inhibit hydrogen evolution corrosion
[0004] The traditional metal-air fuel cell is a disposable battery, that is, the service life of the battery is terminated after the metal electrode is consumed, and there is no literature or report on the rechargeable research results of the metal-air fuel cell.
The existing series connection method of metal-air fuel cell stacks adopts the positive and negative metal conductors to connect in series, the battery pack is not a basic unit, and the operation is cumbersome

Method used

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Comparison scheme
Effect test

Embodiment 1

[0023] A battery unit in the insulating case;

[0024] The aluminum active metal electrode 3, the gold inert metal electrode 4 and the electrolyte 5 of the metal-air fuel cell are sealed and arranged in an insulating casing, and a high-pressure gas 9 of 1.5 atmospheres is injected above the electrolyte 5 in the insulating casing, and passes through the sealed insulating casing The body isolates the outside gas from entering the interior of the insulating shell.

[0025] The above-mentioned insulating shell is assembled by the upper shell 1 and the lower shell 2 of polyurethane casting. The upper shell 1 and the lower shell 2 are sealed and connected to form the sealed inner space of the insulating shell. There is a gas injection port 8 through which high-pressure gas 9 is injected above the electrolyte 5 in the insulating case; the positive terminal 6 and the negative terminal 7 of the battery are respectively installed on both sides of the lower case 2; the negative terminal ...

Embodiment 2

[0027] Two battery cells connected in series in an insulating case;

[0028] The magnesium active metal electrode 3, the silver inert metal electrode 4, and the electrolyte 5 of the metal-air fuel cell are sealed and arranged in an insulating casing, and a high-pressure gas 9 with a pressure of 2 atmospheres is injected above the electrolyte 5 in the insulating casing, and passes through the sealed insulating casing The body isolates the outside gas from entering the interior of the insulating shell.

[0029] The above-mentioned insulating housing is formed by sealed assembly of an upper housing 1 and a lower housing 2 cast by epoxy resin. The upper housing 1 and the lower housing 2 are hermetically connected to form a sealed inner space of the insulating housing. The upper housing 1 A gas injection port 8 is provided on the side, through which a high-pressure gas 9 is injected above the electrolyte 5 in the insulating case; the positive terminal 6 and the negative terminal 7 ...

Embodiment 3

[0031] Three battery cells connected in series in an insulating case;

[0032] The zinc active metal electrode 3, the copper inert metal electrode 4, and the electrolyte 5 of the metal-air fuel cell are sealed and arranged in an insulating casing, and a high-pressure gas 9 of 2.5 atmospheres is injected above the electrolyte 5 in the insulating casing, and passes through the sealed insulating casing The body isolates the outside gas from entering the interior of the insulating shell.

[0033] The above-mentioned insulating housing is assembled by sealing and assembling the upper housing 1 and the lower housing 2 cast by engineering plastics. The upper housing 1 and the lower housing 2 are sealed and connected to form the sealed inner space of the insulating housing. The side of the upper housing 1 A gas injection port 8 is provided through which a high-pressure gas 9 is injected above the electrolyte 5 in the insulating case; the positive terminal 6 and the negative terminal 7...

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Abstract

The invention discloses a metal-air fuel cell, which belongs to the technical field of metal-air fuel cells. The active metal electrode, inert metal electrode and electrolyte of the battery are sealed and arranged in an insulating casing, and high-pressure gas is injected above the electrolyte in the insulating casing. The airtight insulating shell is used to isolate the outside air from entering the interior of the insulating shell. Compared with the prior art, the present invention solves the problem that the existing metal-air fuel cell relies on air in principle and cannot be sealed, and solves the problem that the existing metal-air fuel cell cannot be used upside down or horizontally, and has the advantages of being widely popularized and used. Convenient basis; prolong the service life and efficiency of metal electrodes, reduce the cost of use; also prolong the service life of the battery; solve the problem of seamless series connection of battery cells, and cancel the connection of various conductors in series connection of battery cells.

Description

technical field [0001] The invention relates to the technical field of metal-air fuel cells, in particular to a metal-air fuel cell. Background technique [0002] The working principle of the existing metal-air fuel cells is that while consuming metal, oxygen in the air needs to be consumed, so air intervention is inseparable. A fan is added to enhance air convection to ensure the oxygen supply required by the battery, so it cannot be sealed. At present, the existing metal-air fuel cells can only have one working posture because they cannot be sealed, that is, the two sides are air electrodes that absorb oxygen, and the upper end is an unsealed and detachable metal electrode socket. Leakage loss will also disable the air electrode and the battery will fail. [0003] In addition, the hydrogen evolution corrosion of metal electrodes in air fuel cells in the electrolyte is a worldwide problem. At present, the best solution is to use metal electrodes made of alloy technology t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M12/06H01M2/02H01M2/26H01M50/183H01M50/514H01M50/571
CPCH01M12/06H01M50/10H01M50/531Y02E60/10
Inventor 王建勋李继
Owner ZHEJIANG SUNCLOSE TECH CO LTD