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Summary & Details

Investigation on the thermal behavior of all-solid-state batteries with sulfide electrolytes

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20214328

Paper/Info type: Other International Conferences

No.E1.2

Pages: 1-5(Total 5 p)

Date of publication: May 2021

Publisher: JSAE

Language: English

Event: International Electric Vehicle Technology Conference EVTeC 2021 [Online Meeting]

Detailed Information

Category(E)	Energy Storage Devices & Systems I -Next-Generation Batteries and Capacitors-
Author(E)	1) Mitsumoto Kawai, 2) Koichi Sugiura, 3) Takuya Miwa, 4) Yoshiyasu Saito
Affiliation(E)	1) LIBTEC, 2) LIBTEC, 3) LIBTEC, 4) AIST
Abstract(E)	The thermal stability of all solid state lithium-ion batteries with Argyrodite-type sulfide solid electrolyte (ASSBs) and conventional lithium-ion batteries with liquid electrolyte (LIB) both under 4.2V charging state vs anode potential were investigated using the accelerating rate calorimetry (ARC) to compare thermal runaway behaviors. The Calvet-type heat flux calorimetry (C600) were used to measure heat flow and evolved gas pressure from the batteries. The results showed that thermal runaway reaction with chain reaction may not be happened in ASSBs whereas it happened in LIBs. In other words, each reaction of thermal runaway could be isolated and a previous reaction could not trigger next reactions in our ASSBs even in adiabatic condition. These results suggest that ASSBs be safer than LIBs in terms of thermal stability.

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