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Alkali zinc-manganese battery containing modified nano zinc powder and preparation method thereof

A nano-zinc powder, zinc-manganese battery technology, applied in dry batteries, battery electrodes, circuits, etc., can solve the problems of insufficient discharge performance, low overall performance, short service life, etc., achieve long service life, improve uniformity, and improve discharge Effects on performance and service life

Active Publication Date: 2020-02-11
JIAXING HUARONG BATTERY
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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 kind of alkali containing modified nano-zinc powder for the deficiencies in the discharge performance of the zinc-manganese battery, and the problems of short service life and low overall performance. A non-toxic zinc-manganese battery and a preparation method thereof, which improves the discharge performance of the zinc-manganese battery, prevents battery expansion, liquid leakage, and gas evolution during battery use, and at the same time makes it have high overall performance and stable performance. And many advantages such as long service life, more conducive to large-scale promotion and application

Method used

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  • Alkali zinc-manganese battery containing modified nano zinc powder and preparation method thereof
  • Alkali zinc-manganese battery containing modified nano zinc powder and preparation method thereof

Examples

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Effect test

Embodiment 1

[0041] An alkaline zinc-manganese battery containing modified nano-zinc powder, the alkaline zinc-manganese battery includes a positive electrode ring, a negative electrode zinc paste, a diaphragm and an electrolyte, and the positive electrode ring is composed of electrolytic manganese dioxide, a conductive agent and an electrolyte Composition, the negative electrode zinc paste is composed of the following raw materials in mass fraction: 52wt% modified nano-zinc powder, 2wt% binder, 45wt% electrolyte and 1wt% composite additive.

[0042] The modified nano-zinc powder is a cage-type silsesquioxane modified nano-zinc powder, wherein the particle diameter of the nano-zinc powder is 500nm, and the modification method of the cage-type silsesquioxane-modified nano-zinc powder is as follows: : Add the mixed solution of 60ml methanol and 120ml ethyl acetate in the reactor, add 30mlN-(hydroxyethyl)-N-methylaminopropyltrimethoxysilane, 36ml hydrochloric acid and 80ml deionized under the ...

Embodiment 2

[0060] This embodiment contains the alkaline zinc-manganese battery of modified nano-zinc powder. The zinc-manganese battery structure, raw material composition and preparation method of the zinc-manganese battery are basically similar to those of Example 1. The main difference is that the negative electrode zinc paste The raw material is composed of the following mass fractions: 59wt% modified nano-zinc powder, 3wt% binder, 36wt% electrolyte and 2wt% composite additive. The particle diameter of the nano-zinc powder is 700nm, and the mass ratio of the octahydroxyamino cage silsesquioxane to the nano-zinc powder is 3:1.

[0061] The composite additive is composed of the following raw materials: octahydroxy cage silsesquioxane, ionic liquid modified cage silsesquioxane, ethanolamine phosphate and ethanolamine phosphate derivatives; the octahydroxy cage silsesquioxane The mass ratio of oxane, ionic liquid modified cage silsesquioxane, ethanolamine phosphate and ethanolamine phosp...

Embodiment 3

[0067] This embodiment contains the alkaline zinc-manganese battery of modified nano-zinc powder. The zinc-manganese battery structure, raw material composition and preparation method of the zinc-manganese battery are basically similar to those of Example 1. The main difference is that the negative electrode zinc paste The raw material is composed of the following mass fractions: 68wt% modified nano-zinc powder, 2.5wt% binder, 27wt% electrolyte and 2.5wt% composite additive. The particle diameter of the nano-zinc powder is 900nm, and the mass ratio of the octahydroxyamino cage silsesquioxane to the nano-zinc powder is 50:15.

[0068] The composite additive is composed of the following raw materials: octahydroxy cage silsesquioxane, ionic liquid modified cage silsesquioxane, ethanolamine phosphate and ethanolamine phosphate derivatives; the octahydroxy cage silsesquioxane The mass ratio of oxane, ionic liquid modified cage silsesquioxane, ethanolamine phosphate and ethanolamine...

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Abstract

The invention discloses an alkaline zinc-manganese battery containing modified nano zinc powder. The alkaline zinc-manganese battery includes a positive electrode ring, negative electrode zinc paste,a separator, and an electrolyte. The positive electrode ring is made of electrolytic manganese dioxide, a conductive agent and an electrolyte. The negative electrode zinc paste is composed of, by mass, 52 to 68 wt% of modified nano zinc powder, 2 to 5 wt% of binder, 27 to 45 wt% of electrolyte, and 1 to 2.5 wt% of compound additive. According to the invention, the zinc-manganese battery does not contain any lead-containing and mercury-containing materials, and prevents problems such as battery expansion, leakage, and gas evolution during use; and the prepared battery is environmentally safe and stable in performance, and has a long service life. The invention further discloses a preparation method of the alkaline zinc-manganese battery containing modified nano zinc powder.

Description

technical field [0001] The invention relates to the technical field of zinc-manganese batteries, in particular to an alkaline zinc-manganese battery containing modified nanometer zinc powder 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 bat...

Claims

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Application Information

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IPC IPC(8): H01M4/42H01M4/62H01M6/06
CPCH01M4/42H01M4/62H01M4/621H01M6/06
Inventor 赵金燕
Owner JIAXING HUARONG BATTERY
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