Demixing the miscible liquids: toward biphasic battery electrolytes based on the kosmotropic effect

Author:

Kim Won-Yeong1ORCID,Kim Hong-I2,Lee Kyung Min2,Shin Eunhye2,Liu Xu34ORCID,Moon Hyunseok1,Adenusi Henry5ORCID,Passerini Stefano34ORCID,Kwak Sang Kyu6ORCID,Lee Sang-Young1ORCID

Affiliation:

1. Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea

2. Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea

3. Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, 89081, Ulm, Germany

4. Karlsruhe Institute of Technology (KIT), P.O. Box 3640 D-76021, Karlsruhe, Germany

5. Hong Kong Quantum AI Lab (HKQAI), 17 Science Park West Avenue, Hong Kong 999077, China

6. Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea

Abstract

A biphasic liquid electrolyte based on the kosmotropic effect is presented to fulfill the requirements of anodes and cathodes. Kosmotropic anions enable demixing of aqueous and nonaqueous electrolytes, improving redox kinetics at cathodes and Zn2+ cyclability at anodes.

Funder

National Research Foundation of Korea

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

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