A kind of lithium battery production process

A production process and lithium battery technology, applied in the direction of battery electrodes, secondary batteries, electrochemical generators, etc., can solve the problems of inability to coat the thickness of the coating machine, inconvenient adjustment or adjustment, and reduce the charging and discharging performance of lithium batteries, etc., to achieve Coating uniformity and quality improvement effect

Active Publication Date: 2021-08-24
淮北市智俊科技有限公司
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to make up for the deficiencies of the prior art and solve the problem that the presence of air bubbles in the mixed slurry in the prior art will seriously reduce the charge and discharge performance of the lithium battery and that the thickness of the coating machine in the prior art cannot be adjusted or is inconvenient to adjust, the present invention proposes A lithium battery production process

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
  • A kind of lithium battery production process
  • A kind of lithium battery production process
  • A kind of lithium battery production process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0043] As an embodiment of the present invention, rubber rollers 24 are evenly arranged on the edge of the rotating rod 18 inside the annular chute 25; the rotating shafts at both ends of the rubber roller 24 are fixedly connected to the edges of the rotating rod 18 through springs; At this time, the rubber roller 24 is elastically pressed against the inner wall of the annular chute 25, thereby making the rotation of the rotating rod 18 more stable, making the adjustment of the position more accurate, and preventing the gap between the rotating rod 18 and the annular chute 25 from being too large. , and then when the rotating rod 18 is adjusted to a suitable position, the rotating rod 18 will still have a slight position shift, and the rubber roller 24 itself can rotate around its own rotating shaft, so that the rotation of the rotating rod 18 will not consume a lot of effort.

[0044] As an embodiment of the present invention, several groups of columnar sliding grooves 30 are ...

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 belongs to the technical field of lithium batteries, specifically a lithium battery production process, comprising the following steps: slurry preparation: grinding lithium iron phosphate positive electrode materials with a ball mill, adding solvent and thickener into a mixing tank and Stir at a low speed of 600-800r / min, while stirring, add the ground electrode positive material into the stirring tank in batches; after the addition is complete, stir for 50-60min, and stir the solvent and thickener first After uniformity, the powder of the positive electrode material is added in batches. The coating device of the present invention can not only eliminate the air bubbles in the mixed slurry, make the coating more uniform and dense, but also make the thickness of the coating adjustable, and can be used to manufacture pole pieces with different discharge intensities; at the same time, the coating device increases The step of extruding the current collecting carrier coated with the mixed slurry by using the lower pressing roller and the upper pressing roller makes the mixed slurry more compact, thereby increasing the discharge time of the lithium battery, thereby increasing the life of the lithium battery.

Description

technical field [0001] The invention belongs to the technical field of lithium batteries, in particular to a lithium battery production process. Background technique [0002] "Lithium battery" is a type of battery that uses lithium metal or lithium alloy as the positive / negative electrode material and uses a non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage, and use of lithium metal are very demanding on the environment. High; Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and are rechargeable. Lithium metal batteries, the fifth generation of rechargeable batteries, were born in 1996 , Its safety, specific capacity, self-discharge rate and performance-price ratio are all superior to lithium-ion batteries. Due to its own high technical requirements, only a few companies in a few countries a...

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): H01M4/04H01M4/1397H01M10/0585H01M10/0525B05D1/28B05D3/02
CPCB05D1/28B05D3/0254H01M4/0404H01M4/1397H01M10/0525H01M10/0585Y02E60/10Y02P70/50
Inventor 戚园园金磊
Owner 淮北市智俊科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap