journal article·2017-09-08Open access

Shear Thickening Electrolytes for High Impact Resistant Batteries

Gabriel M. Veith, Beth L. Armstrong, Hsin Wang, Sergiy Kalnaus, Wyatt E. Tenhaeff, Mary L. Patterson

ACS Energy Letters· Volume 2· Issue 9

Abstract

We demonstrate a shear thickening electrolyte that stiffens into a solid-like barrier during a high energy event, like a car crash. This barrier prevents the electrodes from shorting during an impact, reducing the risk of fire or catastrophic safety events. In addition, we have demonstrated the ability to cycle NMC/graphite lithium ion cells over 200 cycles with no loss of capacity after formation. This chemistry introduces multifunctionality to a material previously feared due to its flammability.
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Research context

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

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Affiliations

Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States

Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States

Department of Chemical Engineering, University of Rochester, Rochester, New York 14627, United States

EnerDel, Inc., 8740 Hague Road Building 7, Indianapolis, Indiana 46256, United States

Funding

Advanced Research Projects Agency - Energy

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