Dependence of Double Layer Capacitance on Pore Diameter of Carbon Coated Porous Si
نویسندگان
چکیده
منابع مشابه
2001: ELECTRIC DOUBLE LAYER CAPACITANCE OF POROUS CARBON DERIVED FROM PTFE WITH Li METAL
Recently, electric double layer capacitor (EDLC) with high capacitance [1] has been proposed as a sub-power source for a pure electric vehicle (PEV) or a hybrid electric vehicle (HEV) because power density of EDLC is high enough to use as the power source at start-up of the electric vehicles. However, since energy density of EDLC is quite lower than that of rechargeable batteries, the double la...
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T.A. Centeno , M. Sevilla , A.B. Fuertes , F. Stoeckli* b a Instituto Nacional del Carbón-CSIC. Apartado 73, E-33080 Oviedo (Spain) b Institut de Chimie de l’Université, Av. de Bellevaux 51, CH-2000 Neuchâtel, Switzerland ___________________________________________________________________________
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In this study, a computational model was developed using commercial finite element analysis package COMSOL Multiphysics (Burlington, MA) to simulate the electrical double layer (EDL) structure and quantify the EDL capacitance for the first time. In the modeling the electrochemical process at an EDL structure was considered by solving the Poisson, Nernst-Plank and Butler-Volmer equations without...
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The Electrochemical Society Interface • Spring 2008 This article is concerned with the design and characteristics of electrochemical double layer capacitors (EDLCs), and in particular the role of nanostructured carbons and how they function. EDLCs have been under development for over 20 years, but it is only relatively recently that the mechanisms of energy storage in carbon film electrodes hav...
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The properties of the double layer capacity on rough electrodes are discussed in terms of the recently developed linear Poisson-Boltzmann theory [L. I. Daikhin, A. A. Kornyshev, M. Urbakh, Phys. Rev. E 53, 6192 (1996)]. This theory offers a concept of a “Debye-length K dependent roughness factor”, ie roughness function, which determines the deviation of capacitance from the Gouy-Chapman result ...
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ژورنال
عنوان ژورنال: ECS Transactions
سال: 2017
ISSN: 1938-6737,1938-5862
DOI: 10.1149/08010.1399ecst