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A kind of zinc-manganese battery and its preparation method

A zinc-manganese battery and zinc paste technology, applied in the field of zinc-manganese batteries and their preparation, can solve the problems of insufficient discharge performance and short service life of the zinc-manganese battery, and achieve improved discharge performance and service life, long service life and stable performance Effect

Active Publication Date: 2021-08-10
宁波倍特瑞新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a zinc-manganese battery and a preparation method thereof for the deficiencies in its discharge performance and short service life of the zinc-manganese battery, that is, to improve the zinc-manganese battery. The discharge performance of the manganese battery prevents the problems of battery expansion, liquid leakage and gas formation during the use of the battery, and at the same time makes it have many advantages such as stable performance and long service life, which is more conducive to large-scale promotion and application

Method used

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  • A kind of zinc-manganese battery and its preparation method
  • A kind of zinc-manganese battery and its preparation method
  • A kind of zinc-manganese battery and its preparation method

Examples

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Effect test

Embodiment 1

[0033] A zinc-manganese battery, the zinc-manganese battery includes a positive electrode ring, a negative electrode zinc paste, a diaphragm and an electrolyte, the positive electrode ring is composed of electrolytic manganese dioxide, a conductive agent and an electrolyte solution, and the negative electrode zinc paste is composed of the following mass fractions The composition of raw materials: 57.99wt% zinc powder, 1.5wt% binder, 40wt% electrolyte, 0.5wt% composite additive and 100ppm metal oxide.

[0034] The zinc powder is nano zinc powder with a particle diameter of 500nm.

[0035] The binder is composed of carboxymethyl cellulose and polyacrylic acid, and the mass ratio of carboxymethyl cellulose and polyacrylic acid is 2:1.

[0036] The electrolyte is composed of the following raw materials in parts by weight: 10 parts of potassium hydroxide, 30 parts of disodium tetrahydroxy zincate and 40 parts of deionized water.

[0037] The metal oxide is indium oxide.

[0038] ...

Embodiment 2

[0052] A zinc-manganese battery, the zinc-manganese battery includes a positive electrode ring, a negative electrode zinc paste, a diaphragm and an electrolyte, the positive electrode ring is composed of electrolytic manganese dioxide, a conductive agent and an electrolyte solution, and the negative electrode zinc paste is composed of the following mass fractions The composition of raw materials: 64.95wt% zinc powder, 3.6wt% binder, 29.6wt% electrolyte, 1.8wt% composite additive and 500ppm metal oxide. The zinc powder is nanometer zinc powder with a particle diameter of 600nm.

[0053] The binder is composed of carboxymethyl cellulose, sodium silicate and polymethacrylate. The mass ratio of carboxymethyl cellulose, sodium silicate and polymethacrylate is 2:1:1.

[0054] The electrolyte is composed of the following raw materials in parts by weight: 30 parts of potassium hydroxide, 20 parts of disodium tetrahydroxy zincate and 60 parts of deionized water.

[0055] The metal ox...

Embodiment 3

[0070] A zinc-manganese battery, the zinc-manganese battery includes a positive electrode ring, a negative electrode zinc paste, a diaphragm and an electrolyte, the positive electrode ring is composed of electrolytic manganese dioxide, a conductive agent and an electrolyte solution, and the negative electrode zinc paste is composed of the following mass fractions The composition of raw materials: 65.9wt% zinc powder, 6wt% binder, 25wt% electrolyte, 3wt% composite additive and 1000ppm metal oxide.

[0071] The zinc powder is nano zinc powder with a particle diameter of 900nm.

[0072] The binder is composed of carboxymethyl cellulose, sodium silicate, polyacrylic acid and polymethacrylate. The mass ratio of carboxymethyl cellulose, sodium silicate, polyacrylic acid and polymethacrylate is 3:0.5:1:1.5.

[0073] The electrolyte is composed of the following raw materials in parts by weight: 50 parts of potassium hydroxide, 30 parts of disodium tetrahydroxy zincate and 80 parts of...

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Abstract

The invention discloses a zinc-manganese battery. The zinc-manganese battery includes a positive electrode ring, a negative electrode zinc paste, a diaphragm and an electrolyte. The positive electrode ring is composed of electrolytic manganese dioxide, a conductive agent and an electrolyte solution. The negative electrode zinc paste The raw material is composed of the following mass fractions: 58-71wt% zinc powder, 1.5-6wt% binder, 25-42wt% electrolyte, 0.5-3wt% composite additive and 100-1000ppm metal oxide. The zinc-manganese battery of the present invention does not add any lead-containing and mercury-containing materials, and problems such as battery expansion, liquid leakage, and gas evolution are not easy to occur during use, and the prepared battery is environmentally safe, stable in performance, and long in service life. The invention also discloses a preparation method of the zinc-manganese battery.

Description

technical field [0001] The invention relates to the technical field of zinc-manganese batteries, in particular to a zinc-manganese battery and a preparation method thereof. Background technique [0002] Zinc-manganese batteries are widely used in civil and industrial applications, especially for flash cameras, mini-recorders, video cameras, walkie-talkies, shavers, palm-type color TVs and game consoles, toys, telemeters, alarms, calculators, hearing aids, flashlights and electric appliances. Clocks and other instruments and equipment. With the increasing functions of instruments and equipment, the requirements for high-power and high-current discharge performance of zinc-manganese batteries are getting higher and higher. [0003] Zinc paste is an important component material for the preparation of zinc-manganese batteries, and its performance plays a key role in the discharge capacity and service life of zinc-manganese batteries. Although some of the existing zinc-manganes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/38H01M4/62H01M6/06
CPCH01M4/38H01M4/628H01M6/06H01M2004/027
Inventor 张杰张凯明江丽军谢斌辉
Owner 宁波倍特瑞新能源科技有限公司