Supercharge Your Innovation With Domain-Expert AI Agents!

A high-temperature paste process for lead-acid battery lead paste

A lead-acid battery and lead paste technology, which is applied in the high temperature and paste process field of lead-acid battery lead paste, can solve the problems of affecting the battery cycle life, increasing the process cost, and the limited charging acceptance capacity of lead-acid batteries, so as to improve the charging capacity. Receptivity, improvement of use effect, effect of inhibiting passivation and shrinkage

Active Publication Date: 2022-04-01
ANHUI HUASEN POWER SUPPLY
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing paste mixing process is generally carried out under low temperature or negative pressure conditions, which not only increases the process cost, but also increases the equipment requirements, and the charge acceptance capacity of the lead-acid battery is limited, thus affecting the cycle life of the battery

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The positive lead paste is composed of the following components by weight percentage: 12.8% deionized water, 8.6% sulfuric acid, 7.5% red lead, 0.5% lead titanate, 0.25% graphene, 0.18% polyester short fiber, and the balance is lead powder .

[0035] The negative lead paste is composed of the following components by weight percentage: 11.5% deionized water, 7.8% sulfuric acid, 0.25% acetylene black, 0.5% polylactic acid, 0.15% polyester staple fiber, and the balance is lead powder.

[0036] (2) and ointment:

[0037] Add the solid raw materials in the positive electrode paste formula of step (1) into the paste machine for dry mixing, then add deionized water for wet mixing, and then add sulfuric acid in 5 equal parts under stirring, and control the adding speed at 5kg / min. The temperature of the lead paste is 78°C. After adding the sulfuric acid, continue to keep warm and stir for 10 minutes, and the paste is produced to obtain the positive electrode lead paste.

[00...

Embodiment 2

[0040] The positive lead paste is composed of the following components by weight percentage: 13.5% deionized water, 8.2% sulfuric acid, 6.4% red lead, 0.5% lead titanate, 0.2% graphene, 0.2% polyester short fiber, and the balance is lead powder .

[0041] The negative lead paste is composed of the following components by weight percentage: 12% deionized water, 7.5% sulfuric acid, 0.15% acetylene black, 0.5% polylactic acid, 0.15% polyester staple fiber, and the balance is lead powder.

[0042] (2) and ointment:

[0043] Add the solid raw materials in the positive electrode paste formula of step (1) into the paste machine for dry mixing, then add deionized water for wet mixing, and then add sulfuric acid in 5 equal parts under stirring, and control the adding speed at 5kg / min. The temperature of the lead paste is 78°C. After adding the sulfuric acid, continue to keep warm and stir for 10 minutes, and the paste is produced to obtain the positive electrode lead paste.

[0044] ...

Embodiment 3

[0046] Example 3 is the same as Example 1, the only difference is that the short polyester fiber is replaced by an equal amount of nitrogen-doped basalt fiber.

[0047] The preparation method of nitrogen-doped basalt fiber is as follows: add 15.8g basalt fiber into g water, ultrasonically disperse, then add 10.2g ethylenediamine, heat to 160°C for hydrothermal reaction for 12h, suction filter, wash 3 times with water, and place at 80°C drying in an oven to obtain nitrogen-doped basalt fibers.

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

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
specific surface areaaaaaaaaaaa
lengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses a high-temperature paste process for lead-acid battery lead paste, and relates to the technical field of lead-acid battery processing. The addition of lead titanate in the positive electrode lead paste in the invention can adjust the potential of the positive electrode and increase the potential between the positive and negative electrodes Poor, so as to improve the charge acceptance and improve the use effect of lead-acid batteries; add polylactic acid to the negative electrode paste to replace the commonly used humic acid, making it difficult for lead sulfate crystals to precipitate on the surface of metallic lead, and inhibit the formation of dense lead sulfate layers. And the free energy of the spongy lead is reduced, thereby inhibiting the passivation and shrinkage of the negative plate.

Description

Technical field: [0001] The invention relates to the technical field of lead-acid battery processing, in particular to a high-temperature paste process for lead-acid battery lead paste. Background technique: [0002] Lead-acid batteries are widely used as start-up lead-acid batteries because they can be discharged with a large current, have high reversibility, high electromotive force, abundant sources of raw materials, simple manufacturing process, and high cost performance. But at the same time, lead-acid batteries have the disadvantages of low specific energy and short life. In recent years, people have continued to study and improve lead-acid batteries, which has greatly promoted the development of lead-acid batteries. [0003] At present, the technical problems existing in lead-acid batteries mainly include: low utilization rate of positive electrode active material, softening and falling off of positive electrode active material, shrinkage of specific surface area of ​...

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 Patents(China)
IPC IPC(8): H01M4/62H01M4/57H01M10/06
CPCH01M4/62H01M4/625H01M4/628H01M4/57H01M10/06Y02E60/10
Inventor 唐礼红王振伟魏向魁
Owner ANHUI HUASEN POWER SUPPLY
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com