Lithium ion power low temperature cell

A power battery and lithium-ion technology, which is applied in the field of lithium-ion power low-temperature batteries, can solve problems such as inability to discharge, short discharge time, and affecting the use of electrical appliances, and achieve stable product performance, high-power discharge, and good safety.

Active Publication Date: 2009-12-30
湖北中聚能源有限公司
View PDF0 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional products can basically satisfy the discharge in the environment of -20-60°C, but when discharged at a temperature lower than

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
  • Lithium ion power low temperature cell
  • Lithium ion power low temperature cell
  • Lithium ion power low temperature cell

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0014] The following describes the implementation of the present invention in detail with reference to the accompanying drawings, but they do not constitute a limitation to the present invention, and are merely examples. At the same time, the advantages of the present invention will become clearer and easier to understand.

[0015] Referring to the attached drawings, it can be seen that the lithium-ion low-temperature power battery of the present invention includes tabs 1, positive electrode sheet 2, negative electrode sheet 4, separator 3, electrolyte 6, aluminum plastic film 5.

[0016] In the positive electrode sheet: the thickness of the positive electrode sheet is 80-130um, the positive electrode active material is lithium manganate or lithium iron phosphate, the binder is polyvinylidene fluoride; the conductive agent is acetylene black; the positive electrode active material: binder: conductive agent The weight percentage is 80-90%: 5-10%: 5-10%; pole pieces made according t...

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
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Login to view more

Abstract

A lithium ion power low temperature cell comprises a tab (1), an anode plate (2), a cathode plate (4), a diaphragm (3), electrolyte (6) and an aluminum plastic die (5), and the invention adopts special proportioning and structure in the anode plate, the cathode plate and the electrolyte. The lithium ion power low temperature cell of the invention overcomes the defects that conventional products only can discharge under the environment of minus 20 DEG C to 60 DEG C, and has short discharging time or incapability of discharging under the condition of below minus 20 DEG C; the invention features stable performance, high energy of volume ratio, good safety and can satisfy high power discharging; the low temperature environment can satisfy normal work under the condition of minus 40 DEG C, and can discharge more than or equal to 70% of initial volume.

Description

technical field [0001] The invention relates to a lithium-ion power low-temperature battery. Background technique [0002] In today's world, due to the requirements of environmental protection and energy saving, it is more and more urgent to seek high-efficiency and environmentally friendly energy sources. Finding new power sources has become an inevitable trend of social development and scientific progress. The currently used power batteries are mainly lead-acid batteries, nickel-metal hydride batteries, and lithium-ion batteries. Lithium-ion batteries are ideal power sources for electric vehicles because of their high specific power and long cycle life. [0003] Lithium-ion batteries in the prior art widely use positive and negative electrode films and separators, are assembled by winding and stacking processes, and then add liquid electrolyte. The produced battery has the characteristics of high energy density, high output voltage, small self-discharge, and excellent cy...

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
IPC IPC(8): H01M10/40H01M10/38
CPCY02E60/12Y02E60/10Y02P70/50
Inventor 李海军李锐婷张伟黄永杰陈旭恒
Owner 湖北中聚能源有限公司
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