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CNT flexible membranes for energy storage and conversion systems

Published online by Cambridge University Press:  24 April 2019

Kofi Adu*
Affiliation:
Department of Physics, Pennsylvania State University Altoona College, Altoona, PA 16601, USA Materials Research Institute, Pennsylvania State University, University Park, PA 16802, USA
Ramakrishnan Rajagopalan
Affiliation:
Materials Research Institute, Pennsylvania State University, University Park, PA 16802, USA Engineering, Pennsylvania State University DuBois, DuBois PA 15801, USA
Cullen Kaschalk
Affiliation:
Department of Electrical Engineering, Pennsylvania State University, University Park, PA 16802, USA
Clive Randall
Affiliation:
Materials Research Institute, Pennsylvania State University, University Park, PA 16802, USA Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA 16802, USA
*
Address all correspondence to Kofi Adu at [email protected]
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Abstract

We have successfully employed a charge transfer mechanism to convert carbon nanotube (CNT) powder into CNT flexible membrane with no binder. We have demonstrated the use of the CNT membranes as electrode in a stacked bipolar solid-state capacitor using grafoil as current collector that showed 80% capacitance retention over 10,000 cycles at 70 °C. The CNT membranes could have potential application in catalysis, photovoltaic, thermoelectric, and many others.

Type
Research Letters
Copyright
Copyright © Materials Research Society 2019 

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