Filtering device for magnesium air battery reaction product

An air battery and reaction product technology, applied in the direction of loose filter material filters, filter separation, gravity filters, etc., can solve the problems of battery efficiency decline, etc., and achieve the effect of low manufacturing cost, simple structure, and easy-to-obtain materials

Pending Publication Date: 2018-11-30
合肥飞赛环境科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0014] The present invention aims at the problems of the prior art, and provides a filter device for the reaction product of magnesium-air battery, which can simply and reliably filter out the Mg(OH) generated by the reaction 2 , so as to effectively solve the problem of battery efficiency drop caused by precipitation in the battery, and at the same time achieve the purpose of recycling the electrolyte and reducing emissions and costs

Method used

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  • Filtering device for magnesium air battery reaction product
  • Filtering device for magnesium air battery reaction product

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Embodiment Construction

[0029] Combine below Figure 1 to Figure 2 , the present invention is described in further detail.

[0030] A filter device for the reaction product of a magnesium-air battery, comprising a tank body 1, and also comprising a first filter screen 10 and a second filter screen 11 arranged at intervals in the tank body 1, and the first filter screen 10 and the second filter screen 11 are parallel Set at intervals, and the distance between the first filter screen 10 and the second filter screen 11 is 0.5-3cm, the first filter screen 10 and the second filter screen 11 divide the tank body 1 into the tank body front part 12, the tank body middle part 13 and tank body rear portion 14 three parts, tank body middle part 13 is filled with sand grain layer, and the order number of the first filter screen 10 and the second filter screen 11 is 100-300 order, and the sand grain diameter of sand grain layer is 30-100 mesh.

[0031] The rear part 14 of the tank body is provided with a liquid...

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Abstract

The invention relates to a filtering device for a magnesium air battery reaction product, and the filtering device comprises a tank body, and further comprises a first filter net and a second filter net arranged in the tank body. The tank body is divided by the first filter net and the second filter net into three parts: a front part of the tank body, a middle part of the tank body and a rear partof the tank body. The middle part of the tank body is filled with a sand particle layer, and the first filter net and the second filter net both have a net number of 100-300. The sand particle size of the sand particle layer is 30-100 meshes, the first filter net and the second filter net are arranged in parallel with an interval, and the spacing between the first filter net and the second filternet is 0.5-3cm; the filtering device can simply and reliably filter out Mg(OH)2 generated by reaction, thereby effectively solving the problem of battery efficiency degradation caused by precipitation in a battery, and at the same time achieving the purpose of recycling an electrolyte and reducing emission and cost.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a filter device for reaction products of magnesium-air batteries. Background technique [0002] Magnesium-air battery is an electrochemical reaction device that uses metal magnesium as the anode fuel, oxygen in the air as the oxidant, and neutral salt water as the electrolyte. The specific electrochemical reaction formula is as follows: [0003] Negative electrode: Mg→Mg 2+ +2e - [0004] Positive pole: O 2 +2H 2 O+2e - →4OH - [0005] Total reaction: Mg+O 2 +2H 2 O→Mg(OH) 2 ↓ [0006] During the electrochemical reaction, the magnesium anode is gradually oxidized to Mg(OH) 2 , due to Mg(OH) 2 It is almost insoluble in water and exists in the form of floc in the electrolyte. To a certain extent, if Mg(OH) is not discharged in time 2 Or replace the electrolyte, it will cause the electrochemical reaction to weaken or even stop. [0007] According to different usage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D24/10H01M12/02
CPCB01D24/10H01M12/02
Inventor 张科王昆黄国强张红亮高筱培
Owner 合肥飞赛环境科技有限公司
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