SECONDARY BATTERY WITH IMPROVED HIGH-RATE DISCHARGING PROPERTIES

SECONDARY BATTERY WITH IMPROVED HIGH-RATE DISCHARGING PROPERTIES

Provided is a secondary battery comprising a cathode active material having low-electrolyte wettability as a main ingredient, which is capable of improving high-rate discharge properties by an addition of a perfluorinated sulfonamide substituent-containing polymer ("additive") to a cathode...

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Bibliographische Detailangaben
Hauptverfasser: CHOI, KWONYOUNG, SHIN, BORA, KIM, DONGMYUNG, OH, DONG MYUNG, CHU, SEUNG W, KIM, JONG HEE, KIM, YONG JEONG
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:Provided is a secondary battery comprising a cathode active material having low-electrolyte wettability as a main ingredient, which is capable of improving high-rate discharge properties by an addition of a perfluorinated sulfonamide substituent-containing polymer ("additive") to a cathode mix and/or an electrolyte.