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

Composite thermal insulation structure of thermal battery and application of composite thermal insulation structure in thermal battery preparation

A composite thermal insulation and thermal battery technology, applied in structural parts, secondary batteries, battery pack components, etc., can solve the problems of poor thermal insulation effect and short life of thermal batteries, and achieve excellent thermal insulation effect, low surface temperature, and extended transmission. The effect of thermal paths

Active Publication Date: 2019-12-06
INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS
View PDF10 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a thermal battery composite thermal insulation structure and its application in the preparation of thermal batteries. The thermal life of the thermal battery can be improved, and at the same time, the surface temperature of the thermal battery can be significantly reduced to solve the problems of poor thermal insulation effect and short life of the existing thermal 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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Composite thermal insulation structure of thermal battery and application of composite thermal insulation structure in thermal battery preparation
  • Composite thermal insulation structure of thermal battery and application of composite thermal insulation structure in thermal battery preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The vacuum insulation cavity 1 is made of stainless steel 304 material as the shell material of the vacuum insulation layer, and the copper foil and the Ti-Zr-V getter material are fixed inside the vacuum insulation cavity 1 by welding to ensure that the copper foil does not trap the vacuum The inner and outer walls of the shell of the thermal insulation cavity are overlapped, the copper foil is used as the infrared radiation reflection layer 3, and the structure of the groove 101 is set on the side wall of the shell to extend the heat conduction path of the stainless steel shell, and then sealed with a vacuum furnace The shell of the vacuum insulation cavity 1 is pumped and sealed. After the vacuum sealing process is completed, the groove 101 on the side of the shell of the vacuum insulation cavity 1 is filled with nano-silica airgel material, and then installed Insert the thermal battery stack 6, put in the airgel plug and cover the battery cover 7 to complete the asse...

Embodiment 2

[0040] The vacuum insulation cavity 1 is made of Kovar 4j29 material as the shell material of the vacuum insulation layer, and the silver foil and the Zr-V-Fe getter material are fixed in the vacuum insulation cavity 1 by welding to ensure that the silver foil does not The inner and outer walls of the shell of the vacuum insulation cavity are overlapped, the silver foil is used as the infrared radiation reflection layer 3, and the structure of the groove 101 is set on the side wall of the shell to extend the heat conduction path of the Kovar shell, and then use The vacuum sealing furnace pumps and seals the shell of the vacuum insulation chamber 1. After the vacuum sealing process is completed, the groove 101 on the side of the shell of the vacuum insulation chamber 1 is sealed with nano-sized zirconia airgel material. Filling, and then put into the thermal battery stack 6, put in the airgel plug and cover the battery cover 7, and complete the assembly of the thermal battery. ...

Embodiment 3

[0042] The vacuum insulation cavity 1 is made of titanium alloy TC4 material as the shell material of the vacuum insulation layer, and the gold foil and the Y-Mn-Al getter material are fixed by welding in the vacuum insulation cavity 1 to ensure that the gold foil does not insulate the vacuum insulation. The inner and outer walls of the shell of the cavity are overlapped, the gold foil is used as the reflective infrared radiation layer 3, the structure of the groove 101 is set on the side wall of the shell to extend the heat conduction path of the titanium alloy shell, and then the vacuum sealing furnace is used to seal the The shell of the vacuum insulation cavity 1 is pumped and sealed. After the vacuum sealing process is completed, the groove 101 on the side of the shell of the vacuum insulation cavity 1 is filled with nano-zirconia airgel material, and then loaded Put the airgel plug into the thermal battery stack 6 and cover the battery cover 7 to complete the assembly of ...

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 composite thermal insulation structure of a thermal battery and an application of the composite thermal insulation structure in the preparation of the thermal battery. The composite thermal insulation structure comprises a vacuum thermal insulation cavity, an aerogel thermal insulation layer, a reflection infrared radiation layer, a getter material and a battery cover plate, wherein a groove is formed in the side wall of the shell of the vacuum heat insulation cavity; the groove is formed in the upper end of the vacuum heat insulation cavity; the aerogel heat preservation layer is arranged in the groove and at the upper end of the vacuum heat insulation cavity; the reflection infrared radiation layer is arranged in the vacuum heat insulation cavity; the solution material is arranged at the bottom in the vacuum heat insulation cavity, and the battery cover plate is arranged at the upper ends of the vacuum heat insulation cavity and the aerogel heat insulation layer. The composite thermal insulation structure of the thermal battery provided by the invention can obviously delay the reduction of the temperature of an electric pile in the working process of thethermal battery and prolong the thermal life of the thermal battery.

Description

technical field [0001] The invention relates to the technical field of thermal battery application, in particular to a composite thermal insulation structure of a thermal battery and its application in preparing a thermal battery. Background technique [0002] Thermal battery, also known as heat-activated battery, is a primary reserve battery that uses eutectic molten salt as the electrolyte and uses the battery's own heating system to melt the electrolyte and activate it. Specifically, the internal pyrotechnic source can be ignited by means of electrical activation or mechanical activation. A primary battery that releases a large amount of heat in a short period of time to change the eutectic molten salt from a solid state to a liquid electrolyte, so that the positive and negative electrodes in contact with the electrolyte undergo an electrochemical reaction and start to supply power. [0003] The thermal battery is a kind of battery that relies on internal heat to work. Th...

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): H01M10/615H01M2/10H01M2/02H01M6/36
CPCH01M10/615H01M6/36H01M50/116H01M50/124H01M50/20Y02E60/10
Inventor 董亮平王超刘联曹勇杨潇薇高晨阳崔益秀刘效疆兰伟李晓兵李立宋学兵
Owner INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS
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