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Meso-nano and micro-nano ion transport in porous carbon composite electrodes for energy storage applications

Lekakou, C, Markoulidis, F, Lei, C, Sorniotti, A, Perry, J, Hoy, C, Martorana, B, Cannavaro, I and Gosso, M (2012) Meso-nano and micro-nano ion transport in porous carbon composite electrodes for energy storage applications ECCM 2012 - Composites at Venice, Proceedings of the 15th European Conference on Composite Materials.

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Abstract

In energy storage devices carbonaceous composite electrodes are a popular choice, consisting of activated carbon (ac), conductive additives and a polymeric binder matrix. The active electrode components are in the form of ac particles, ac fibres, or ac monolith combined with conductive additives such as carbon black. Activated carbon plays the most important role for storing a large amount of energy in the form of ions contained in the carbon nanopores. This study considers a modelling approach to the meso-nano and micro-nano infiltration of ions into the porous carbon structure during the operation of the energy storage device. Depending on the pore size, ion size and solvent molecule size, ions may be solvated or unsolvated as they move, where ions are solvated in meso-pores for most cases. Molecular model simulations have been performed to determine the values of the geometrical parameters of different ions, solvated and unsolvated in various solvents. A meso-nano and micro-nano ion infiltration model has been developed in this study under both steady state and dynamic conditions.

Item Type: Article
Authors :
NameEmailORCID
Lekakou, Cc.lekakou@surrey.ac.ukUNSPECIFIED
Markoulidis, Ff.markoulidis@surrey.ac.ukUNSPECIFIED
Lei, CUNSPECIFIEDUNSPECIFIED
Sorniotti, Aa.sorniotti@surrey.ac.ukUNSPECIFIED
Perry, JUNSPECIFIEDUNSPECIFIED
Hoy, CUNSPECIFIEDUNSPECIFIED
Martorana, BUNSPECIFIEDUNSPECIFIED
Cannavaro, IUNSPECIFIEDUNSPECIFIED
Gosso, MUNSPECIFIEDUNSPECIFIED
Date : 1 January 2012
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:18
Last Modified : 17 May 2017 15:10
URI: http://epubs.surrey.ac.uk/id/eprint/838708

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