Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Mercury-free dry battery

A mercury dry battery and cell technology, applied in the field of dry batteries, can solve problems such as improper operation, human injury to production staff, pollution, etc., and achieve the effects of safety guarantee, reduction of uneven corrosion, and reduction of pollution.

Pending Publication Date: 2019-12-17
广东三七新能源有限公司
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Since mercuric chloride is a corrosive and toxic chemical substance, a slight mishandling during the production process can easily cause bodily harm to the production staff
In actual use, dry batteries will be discarded when their electrical performance is not up to standard, and the mercuric chloride in the electrolyte will also pollute the surface, land, water, etc.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Mercury-free dry battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A mercury-free dry battery, the raw material slurry is as follows by weight percentage: 7.2-7.6% of zinc chloride, 15-17% of ammonium chloride, 25-28% of flour and starch, 0.04-0.07% of polyacrylamide, 0.02-0.03% of hydrochloric acid %, bismuth trichloride 0.03-0.08%.

[0022] Specifically, the raw material slurry of the mercury-free dry battery also includes deionized water.

[0023] The present invention also provides a production process of a mercury-free dry battery, which includes the following steps: S1, cell production: fully mix and stir manganese powder, acetylene black, zinc chloride, ammonium chloride and water, and use a molding machine to make the cell Forming process, and then paste square paper on the surface; in S1, first place a layer of insulating pad on the bottom of the zinc shell, and fix the battery cell in the middle of the zinc shell;

[0024] S2. Slurry production: Zinc chloride 7.2-7.6%, ammonium chloride 15-17%, flour and starch 25-28%, polya...

Embodiment 2

[0028] A mercury-free dry battery, the raw material slurry is as follows by weight percentage: 7.2-7.6% of zinc chloride, 15-17% of ammonium chloride, 25-28% of flour and starch, 0.04-0.07% of polyacrylamide, 0.02-0.03% of hydrochloric acid %, bismuth trichloride 0.03-0.08%.

[0029] Specifically, the raw material slurry of the mercury-free dry battery also includes deionized water.

[0030] The present invention also provides a production process of a mercury-free dry battery, which includes the following steps: S1, cell production: fully mix and stir manganese powder, acetylene black, zinc chloride, ammonium chloride and water, and use a molding machine to make the cell Forming process, and then paste square paper on the surface; in S1, first place a layer of insulating pad on the bottom of the zinc shell, and fix the battery cell in the middle of the zinc shell;

[0031] S2. Slurry production: Zinc chloride 7.2-7.6%, ammonium chloride 15-17%, flour and starch 25-28%, polya...

Embodiment 3

[0035] A mercury-free dry battery, the raw material slurry is as follows by weight percentage: 7.2-7.6% of zinc chloride, 15-17% of ammonium chloride, 25-28% of flour and starch, 0.04-0.07% of polyacrylamide, 0.02-0.03% of hydrochloric acid %, bismuth trichloride 0.03-0.08%.

[0036] Specifically, the raw material slurry of the mercury-free dry battery also includes deionized water.

[0037] The present invention also provides a production process of a mercury-free dry battery, which includes the following steps: S1, cell production: fully mix and stir manganese powder, acetylene black, zinc chloride, ammonium chloride and water, and use a molding machine to make the cell Forming process, and then paste square paper on the surface; in S1, first place a layer of insulating pad on the bottom of the zinc shell, and fix the battery cell in the middle of the zinc shell;

[0038] S2. Slurry production: Zinc chloride 7.2-7.6%, ammonium chloride 15-17%, flour and starch 25-28%, polya...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a mercury-free dry battery, which comprises the following raw material slurry in percentage by weight: 7.2-7.6% of zinc chloride, 15-17% of ammonium chloride, 25-28% of flour and starch, 0.04-0.07% of polyacrylamide, 0.02-0.03% of hydrochloric acid and 0.03-0.08% of bismuth trichloride. By replacing a chemical material of mercuric chloride, the pollution to the environmentand the personal safety influence on production operators caused by the abandoned dry battery are reduced; chemical materials such as bismuth salt are uniformly adhered to the inner wall of a zinc cylinder, so that the non-uniform corrosion to zinc is reduced, the corrosion rapid chemical reaction of the zinc cylinder is effectively prevented, the service life of the zinc cylinder is prolonged, the problems of perforation and liquid leakage are solved, and the safety of electric appliances is further guaranteed.

Description

technical field [0001] The invention belongs to the field of dry batteries, and more specifically relates to a mercury-free dry battery. At the same time, the invention also relates to a production process of a mercury-free dry battery. Background technique [0002] Most of the dry batteries used in daily life are zinc-manganese batteries, which are mainly used in home appliances and electronic equipment such as flashlight lighting, tape recorders, and water heaters. [0003] The basic structure and working principle of dry batteries: the structure of dry batteries is mainly composed of ammonium chloride and zinc chloride as electrolytes and mercury chloride as corrosion inhibitors, including zinc cylinders, carbon rods, manganese dioxide, acetylene black, etc. , wherein the carbon rod is inserted into the positive electrode powder and installed in the zinc cylinder, and the electrolyte is filled between the zinc cylinder and the positive electrode powder. It is also equip...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01M6/06
CPCH01M6/06
Inventor 雷铭深
Owner 广东三七新能源有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com