Novel reversible and switchable electrolytes based on magneto-rheology

Jie Ding, Gangrou Peng, Kewei Shu, Caiyun Wang, Tongfei Tian, Wenrong Yang, Yuanchao Zhang, Gordon G. Wallace, Weihua Li

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Replacing organic liquid electrolytes with solid electrolytes has led to a new perspective on batteries, enabling high-energy battery chemistry with intrinsically safe cell designs. However, most solid/gel electrolytes are easily deformed; under extreme deformation, leakage and/or short-circuiting can occur. Here, we report a novel magneto-rheological electrolyte (MR electrolyte) that responds to changes in an external magnetic field; the electrolyte exhibits low viscosity in the absence of a magnetic field and increased viscosity or a solid-like phase in the presence of a magnetic field. This change from a liquid to solid does not significantly change the conductivity of the MR electrolyte. This work introduces a new class of magnetically sensitive solid electrolytes that can enhance impact resistance and prevent leakage from electronic devices through reversible active switching of their mechanical properties.

Original languageEnglish
Article number15663
JournalScientific reports
Volume5
DOIs
Publication statusPublished - 2015 Oct 23
Externally publishedYes

ASJC Scopus subject areas

  • General

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