ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERY SYSTEM AND CHARGING DEVICE FOR ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERIES

ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERY SYSTEM AND CHARGING DEVICE FOR ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERIES

[Problem] To provide a means for detecting the generation of electrodeposition of metal lithium in an all-solid-state lithium-ion secondary battery in a real-time manner even when charging the battery without depending on the specifications of the battery.[Solution] To measure alternate current impe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: AOKI, Osamu
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
SYSTEMS FOR STORING ELECTRIC ENERGY
TESTING
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Beschreibung
Zusammenfassung:[Problem] To provide a means for detecting the generation of electrodeposition of metal lithium in an all-solid-state lithium-ion secondary battery in a real-time manner even when charging the battery without depending on the specifications of the battery.[Solution] To measure alternate current impedance of an all-solid-state lithium-ion secondary battery when charging the battery, and to judge whether electrodeposition of metal lithium has generated in a solidelectrolyte layer forming the battery based on the relationship between the amplitude of the response signal at discharge direction of the impedance and the amplitude of the response signal at charge direction of the impedance.