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

Aerogel felt loaded layered solid electrolyte of lithium battery and preparation method

A solid electrolyte and aerogel felt technology, which is applied in the manufacture of electrolyte batteries, electrolytes, composite electrolytes, etc., can solve problems such as easy water degradation and battery performance degradation, and achieve the effect of simple process and high lithium ion conductivity.

Inactive Publication Date: 2021-02-26
CHENDU NEW KELI CHEM SCI CO LTD
View PDF3 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Aiming at the problem that the existing solid sulfide electrolyte is easily degraded by water and reacts with the negative electrode to cause battery performance degradation, the present invention proposes an airgel felt-loaded layered solid electrolyte for a lithium battery and a preparation method thereof

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
  • Aerogel felt loaded layered solid electrolyte of lithium battery and preparation method
  • Aerogel felt loaded layered solid electrolyte of lithium battery and preparation method
  • Aerogel felt loaded layered solid electrolyte of lithium battery and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1 A preparation method of an airgel felt-supported layered solid electrolyte for a lithium battery

[0031] a. Will Li 2 S and P 2 S 5 Mix according to the molar ratio of 4:1, add the organic solvent tetrahydrofuran and ball mill evenly to obtain a ball mill slurry with a mass concentration of 5%;

[0032] b. After the ball mill slurry is atomized through the atomizing nozzle, the carrier gas is used to load the inside of the reaction chamber, and the silica airgel felt is used as the substrate to perform plasma heat treatment at 550°C; after 1 hour of reaction, the carrier gas is used to Load GeS 2 Powder, the loading amount of the ball mill slurry is controlled to be 50% of the mass of the silica airgel felt, GeS 2 The powder loading amount is 5% of the mass of the silica airgel felt, and then stop feeding the ball mill slurry and GeS 2 powder. The plasma gas source is hydrogen, ball mill slurry and GeS 2 The carrier gas of the powder is argon, the flow...

Embodiment 2

[0034] Example 2 A preparation method of an airgel felt-supported layered solid electrolyte for a lithium battery

[0035] a. Will Li 2 S and P 2 S 5 Mix according to the molar ratio of 4:1, add the organic solvent tetrahydrofuran and ball mill evenly to obtain a ball mill slurry with a mass concentration of 10%;

[0036] b. After the ball mill slurry is atomized through the atomizing nozzle, the carrier gas is used to load the inside of the reaction chamber, and the silica airgel felt is used as the substrate for plasma heat treatment at 600°C; after 3 hours of reaction, the carrier gas is used to Load GeS 2 Powder, the loading amount of the ball mill slurry is controlled to be 75% of the mass of the silica airgel felt, GeS 2 The powder loading amount is 8% of the mass of the silica airgel felt, and then stop feeding the ball mill slurry and GeS 2 powder. The plasma gas source is hydrogen, ball mill slurry and GeS 2 The carrier gas of the powder is argon, the flow rate...

Embodiment 3

[0038] Example 3 A preparation method of an airgel felt-supported layered solid electrolyte for a lithium battery

[0039] a. Will Li 2 S and P 2 S 5 Mix according to the molar ratio of 4:1, add the organic solvent tetrahydrofuran and ball mill evenly to obtain a ball mill slurry with a mass concentration of 8%;

[0040] b. After the ball mill slurry is atomized through the atomizing nozzle, the carrier gas is used to load the interior of the reaction chamber, and the silica airgel felt is used as the substrate to perform plasma heat treatment at 550°C; after 2 hours of reaction, the carrier gas is used to Load GeS 2 Powder, the loading amount of the ball milling slurry is 65% of the mass of the silica airgel felt, GeS 2 The powder loading amount is 6% of the mass of the silica airgel felt, and then stop feeding the ball mill slurry and GeS 2 powder. The plasma gas source is hydrogen, ball mill slurry and GeS 2 The carrier gas of the powder is argon, the flow rate of th...

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
Plane areaaaaaaaaaaa
Thicknessaaaaaaaaaa
Plane areaaaaaaaaaaa
Login to View More

Abstract

The invention belongs to the field of solid-state batteries, and particularly relates to an aerogel felt loaded layered solid electrolyte of a lithium battery and a preparation method. The preparationmethod comprises the following steps: a, mixing Li2S and P2S5 according to a molar ratio of 4:1, adding an organic solvent, and carrying out ball milling to obtain a ball-milled slurry; b, atomizingthe ball-milled slurry through an atomizing nozzle, loading a carrier gas into a reaction cavity, and performing plasma heat treatment by taking a silicon dioxide aerogel felt as a substrate; after the reaction is performed for 13h, loading a GeS2 powder by using the carrier gas; and c, taking out the substrate, soaking the substrate in a sodium hydroxide solution, washing and drying the substrate, then placing the substrate in an ethanol dispersion of polyoxyethylene, soaking the substrate, and drying the substrate to obtain the required solid electrolyte material. According to the invention,the solid electrolyte has a higher lithium ion conduction capability.

Description

technical field [0001] The invention belongs to the field of solid-state batteries, and relates to an airgel felt-loaded layered solid electrolyte of a lithium battery and a preparation method thereof. Background technique [0002] Lithium-ion batteries have high energy density, strong stability, no memory effect, and long cycle life, and have been widely used as a commercial high-efficiency energy storage device. The electrolyte used in traditional lithium-ion batteries is liquid lithium hexafluorophosphate. Because it is extremely unstable, it is easy to decompose and cause battery inflation. At the same time, it is easy to burn and explode under high temperature, short circuit, overcharge or physical collision. Although the protection mechanism is added through external packaging, it still has a large security risk. [0003] Solid-state lithium-ion batteries use solid-state electrolytes instead of liquid electrolytes, which can fundamentally solve the safety and operatin...

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): H01M10/058H01M10/0562
CPCH01M10/0562H01M10/058H01M2300/0088H01M2300/0094Y02E60/10Y02P70/50
Inventor 廖健淞陈庆司文彬李钧
Owner CHENDU NEW KELI CHEM SCI CO LTD
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