Novel reversible and switchable electrolytes based on magnetorheology

被引:6
|
作者
Ding, Jie [1 ]
Peng, Gangrou [2 ]
Shu, Kewei [3 ]
Wang, Caiyun [3 ]
Tian, Tongfei [2 ]
Yang, Wenrong [4 ]
Zhang, Yuanchao [4 ]
Wallace, Gordon G. [3 ]
Li, Weihua [2 ]
机构
[1] Def Sci & Technol Grp, Land Div, Fishermans Bend, Vic 3207, Australia
[2] Univ Wollongong, Sch Mech Mat & Mech Engn, Wollongong, NSW 2522, Australia
[3] Univ Wollongong, Intelligent Polymer Res Inst, ARC Ctr Excellence Electromat Sci, Wollongong, NSW 2522, Australia
[4] Deakin Univ, Sch Life & Environm Sci, Geelong, Vic 3217, Australia
来源
SCIENTIFIC REPORTS | 2015年 / 5卷
基金
澳大利亚研究理事会;
关键词
LITHIUM-ION BATTERIES; SILICA NANOPARTICLES; COLLOIDAL STABILITY; LIQUIDS; MICROSPHERES; PERFORMANCE; TRANSPORT;
D O I
10.1038/srep15663
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
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.
引用
收藏
页数:11
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