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CNT flexible membranes for energy storage and conversion systems

  • Kofi Adu (a1) (a2), Ramakrishnan Rajagopalan (a2) (a3), Cullen Kaschalk (a4) and Clive Randall (a2) (a5)


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.


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Address all correspondence to Kofi Adu at


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MRS Communications
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Supplementary materials

Adu et al. supplementary material
Tables S1 and S2

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