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Preparation method of button type zinc air battery

A zinc-air battery and zinc powder technology, applied in the fuel cell type half cell and the primary cell type half cell, etc., can solve the problem of small porosity of powder particles, unfavorable high-power discharge reaction of the battery, and poor high-power discharge performance. and other problems, to achieve the effect of compact structure, improved high-power discharge performance, and accelerated speed

Pending Publication Date: 2022-08-09
东莞胜力电池实业有限公司
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Problems solved by technology

[0003] However, the catalytic layer is rolled into a positive plate with a rolling machine at one time. The powder particles inside the catalytic layer have small porosity and small specific surface area, which is not conducive to the high-power discharge reaction of the battery, resulting in poor high-power discharge performance.

Method used

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  • Preparation method of button type zinc air battery
  • Preparation method of button type zinc air battery

Examples

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Embodiment 1

[0033] The preparation method of a buckle zinc air battery, including the following steps:

[0034] 1. Preparation of positive electrode materials, call the following raw materials based on weights:

[0035] 34-38 parts of activated carbon; 8 to 12 parts of carbon black; electrolytic manganese dioxide 28-32 parts; 0.5 ~ 1.5 copies of tritinal dioxide; 25 to 26 copies of polytetrafluoroethylene.

[0036] Activated carbon, carbon black, electrolytic manganese dioxide and tritenurtide iron in the vacuum furnace before mixing, bake water for 2 hours, remove the water, and then the activated carbon, carbon black, electrolytic manganese dioxide, triangular dioxide, polytefluoro The ethylene is added in the stirring container in order, and stir well at the condition that the ambient temperature is 15-30 ° C, and the humidity is 45-70 % RH. Granules; Polyettes of polytrafluoroethylene breathable membrane, granular catalytic catalytic layer, conductive nickel mesh, and diaphragm paper are ...

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Abstract

The invention discloses a button type zinc-air battery, which belongs to the technical field of zinc-air batteries, and is characterized in that a positive electrode shell is coated with an adhesive, diffusion paper is pasted on an air hole at the bottom of the positive electrode shell, then the bottom of the positive electrode shell is coated with a sealant, a positive electrode plate is punched into a round cake, and the positive electrode plate is arranged in the positive electrode shell; one side of the polytetrafluoroethylene breathable film is bonded with the bottom of the anode shell to form an integrated structure; meanwhile, sealing glue is printed on the bottom edge of a negative electrode cover, the bottom edge of the negative electrode cover is combined with an extended U-shaped sealing ring, zinc powder is put into the negative electrode cover, negative electrode liquid is injected, a negative electrode cover and sealing ring combination body filled with a negative electrode material is put into a positive electrode shell, then the opening end of the positive electrode shell is sealed to form an R position, and the R position is in contact connection with an insulating rubber ring and the reverse edge of the negative electrode cover; and finally, a sealing sticker is pasted on an air hole of a positive shell of the battery, and a metal oxide catalyst is added into catalyst layer positive powder, so that the discharge reaction speed can be increased, and the high-power discharge performance of the zinc-air battery is improved.

Description

Technical field [0001] The present invention is a zinc air battery field. More specifically, it involves a preparation method for a buckle zinc air battery. Background technique [0002] The components of the current zinc air batteries are: sealing stickers, positive shells (with pores), diffusion paper, positive plates, sealing rings, negative electrode zinc (negative electrode material), and current zinc air batteries positive electrode The outward direction of the plate is: polytetrafluoroethylene breathable membrane, catalytic layer, conductive nickel mesh, diaphragm paper, and then set a layer of sealing structure between the battery positive shell and the positive plate, so that the positive plate and the battery positive shell shell Formed an integrated structure, the sealing glue between the battery's positive and positive plates is a Tellorazine thermal curing glue. [0003] However, the catalytic layer is rolled into a positive plate with a roller. The pore rate of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M12/06
CPCH01M12/06Y02E60/10
Inventor 梁滔邓志谦
Owner 东莞胜力电池实业有限公司
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