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Mechanical Energy Dissipation in a Multifunctional BatterySystem

Published online by Cambridge University Press:  19 January 2016

Waterloo Tsutsui*
Affiliation:
School of Aeronautics and Astronautics, Purdue University, 701 West Stadium Avenue, West Lafayette, IN 47907, U.S.A.
Trung Nguyen
Affiliation:
School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, IN 47907, U.S.A.
Hangjie Liao
Affiliation:
School of Aeronautics and Astronautics, Purdue University, 701 West Stadium Avenue, West Lafayette, IN 47907, U.S.A.
Niranjan Parab
Affiliation:
School of Aeronautics and Astronautics, Purdue University, 701 West Stadium Avenue, West Lafayette, IN 47907, U.S.A.
Jaspreet Kukreja
Affiliation:
School of Aeronautics and Astronautics, Purdue University, 701 West Stadium Avenue, West Lafayette, IN 47907, U.S.A.
Thomas Siegmund
Affiliation:
School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, IN 47907, U.S.A.
Wayne Chen
Affiliation:
School of Aeronautics and Astronautics, Purdue University, 701 West Stadium Avenue, West Lafayette, IN 47907, U.S.A.School of Materials Engineering, Purdue University, 701 West Stadium Avenue, West Lafayette, IN 47907, U.S.A.
*
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Abstract

In this paper, we report on a multifunctional battery assembly, which possesses abalanced combination of energy storage capability and resistance to electricalfailure under mechanical impact loading. The Granular Battery Assembly (GBA)presented here exhibits a mechanical response that emerges from features ofgranular and cellular media. We demonstrate that for the specific GBA embodimentconsidered in the present study, the electrical reliability following amechanical loading event is substantively increased compared to that of plainbattery cells. The increased reliability is due to the sacrificial materialelements interspersed between the battery units, attributing energy absorptionand local stress limiting.

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Copyright
Copyright © Materials Research Society 2016 

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