ELECTRODE BINDER FOR LITHIUM SECONDARY BATTERY, AND ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

An electrode binder for a lithium secondary battery, and an electrode and a lithium secondary battery, including the electrode binder. The electrode binder includes: a cellulose-based graft copolymer grafted with a compound having an ion-hopping site; and a polyacrylate-based polymer having an anion...

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Bibliographic Details
Main Authors Kim, Jaemin, Cho, Yunshik, Park, Kiho, Lee, Jungmin, Choi, Jangwook
Format Patent
LanguageEnglish
Published 16.02.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:An electrode binder for a lithium secondary battery, and an electrode and a lithium secondary battery, including the electrode binder. The electrode binder includes: a cellulose-based graft copolymer grafted with a compound having an ion-hopping site; and a polyacrylate-based polymer having an anionic group via an exchange with a cation. By including the electrode binder in at least one of the positive electrode and the negative electrode, it is possible to provide a lithium secondary battery capable of enhancing fast charging/discharging behavior efficiency of the electrode by reducing electrode resistance generated inside the electrode during charging/discharging.
Bibliography:Application Number: US202217882445