Increase in Capacitance by Subnanometer Pores in CarbonReportar como inadecuado




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1 INM - Leibniz Institute for New Materials 2 Saarland University 3 CIRIMAT - Centre interuniversitaire de recherche et d-ingenierie des matériaux 4 RS2E - Réseau sur le stockage électrochimique de l-énergie 5 Drexel University

Abstract : This Viewpoint clarifies the correlation between capacitance and pore size in electrical double-layer capacitors EDLCs, also known assupercapacitors or ultracapacitors, which is of high practical importance for the design of advanced carbon electrode materials. Two extreme cases are obvious: excessively large pores, accompanied by large pore volumes and limited specific surface area, will lead to a lowenergy storage capacity, whereas very small pores will limit the ion access due to steric effects, in addition to imposing obstacles to ion transport

Keywords : Subnanometer Pores Apacitance





Autor: Nicolas Jäckel - Patrice Simon - Yury Gogotsi - Volker Presser -

Fuente: https://hal.archives-ouvertes.fr/



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