Salt concentration and charging velocity determine ion charge storage mechanism in nanoporous supercapacitors

To improve supercapacitor performance, mechanisms of operation should be understood. Here the authors identify parameters controlling ion charge storage mechanisms and show that charging initially implies a non-equilibrium ion configuration followed by charge-neutral equilibration.

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Detalles Bibliográficos
Autores principales: C. Prehal, C. Koczwara, H. Amenitsch, V. Presser, O. Paris
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/2d0f937adac84840b20ce1e560a9cd0b
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Descripción
Sumario:To improve supercapacitor performance, mechanisms of operation should be understood. Here the authors identify parameters controlling ion charge storage mechanisms and show that charging initially implies a non-equilibrium ion configuration followed by charge-neutral equilibration.