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Polyester separators for lithium-ion cells: Improving thermal stability and abuse tolerance

Advanced Energy Materials

Orendorff, Christopher; Lambert, Timothy N.; Bencomo, Marlene; Fenton, Kyle R.

This work aims to address the failure modes in lithium-ion batteries that can be directly attributed to separator failure at temperatures well below the onset of thermal runaway. Polyester-based separators have been developed by an ambient temperature electro-spinning process shown in the SEM image. Resulting separators have electrochemical performance comparable to commercial polyolefin separators with greatly improved thermal stability. © 2013 WILEY-VCH Verlag GmbH & Co.

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TYPE Journal Article YEAR 2013
DOIOSTIScopus

Fast lithium-ion conducting thin-film electrolytes integrated directly on flexible substrates for high-power solid-state batteries

Advanced Materials

Ihlefeld, Jon F.; Clem, Paul; Doyle, B.L.; Kotula, Paul G.; Fenton, Kyle R.; Apblett, Christopher A.

By utilizing an equilibrium processing strategy that enables co-firing of oxides and base metals, a means to integrate the lithium-stable fast lithium-ion conductor lanthanum lithium tantalate directly with a thin copper foil current collector appropriate for a solid-state battery is presented. This resulting thin-film electrolyte possesses a room temperature lithium-ion conductivity of 1.5 × 10 -5 S cm -1, which has the potential to increase the power of a solid-state battery over current state of the art. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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TYPE Journal Article YEAR 2011
DOIOSTIScopus
Results 51–61 of 61
Results 51–61 of 61