Monolithic heterojunction quasi-solid-state battery electrolytes based on thermodynamically immiscible dual phases

Sung Ju Cho, Gwan Yeong Jung, Su Hwan Kim, Minchul Jang, Doo Kyung Yang, Sang Kyu Kwak, Sang Young Lee

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Traditional single-phase electrolytes, which are widely used in current state-of-the-art rechargeable batteries, have difficulties simultaneously fulfilling different chemical/electrochemical requirements of anodes and cathodes. Here, we demonstrate a new class of monolithic heterojunction quasi-solid-state electrolytes (MH-QEs) based on thermodynamically immiscible dual phases. As a proof-of-concept of the MH-QEs, their application to lithium-sulfur batteries is explored. Driven by combined effects of structural uniqueness and thermodynamic immiscibility, the electrode-customized MH-QEs provide exceptional electrochemical performance that lies far beyond those accessible with conventional battery electrolytes.

Original languageEnglish
Pages (from-to)559-565
Number of pages7
JournalEnergy and Environmental Science
Volume12
Issue number2
DOIs
Publication statusPublished - 2019 Feb

All Science Journal Classification (ASJC) codes

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

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