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Theory of reactions at electrified interfacess

Lück, Jessica and Latz, Arnulf (2016) Theory of reactions at electrified interfacess. Physical Chemistry Chemical Physics, 18, pp. 17799-17804. Royal Society of Chemistry. DOI: 10.1039/C6CP02681H ISSN 1463-9076

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Official URL: http://pubs.rsc.org/en/content/articlelanding/2016/cp/c6cp02681h#!divAbstract

Abstract

Interfacial reaction and transport processes are a decisive factor for the overall performance of electrochemical systems. However, existing models rely on phenomenological descriptions of charged interfaces, which yields no deeper insights. We present a generic theory to describe charge and electron transfer reactions at charged interfaces, which is applicable to different electrochemical systems, like fuel cells or batteries with liquid or solid electrolytes. In the present work, our general theory is adopted to the electrochemical double layer at the interface between a solid electrode and a liquid electrolyte. The model allows to describe the intercalation reaction in Li-ion insertion batteries as a two-step process, consisting of a first desolvation and adsorption and a second actual insertion step. It becomes apparent that a charging of the double layer acts as the necessary driving force for the charge transfer across the interface.

Item URL in elib:https://elib.dlr.de/109002/
Document Type:Article
Title:Theory of reactions at electrified interfacess
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Lück, JessicaJessica.Lueck (at) dlr.deUNSPECIFIED
Latz, ArnulfArnulf.Latz (at) dlr.deUNSPECIFIED
Date:May 2016
Journal or Publication Title:Physical Chemistry Chemical Physics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:18
DOI :10.1039/C6CP02681H
Page Range:pp. 17799-17804
Publisher:Royal Society of Chemistry
ISSN:1463-9076
Status:Published
Keywords:Interface Reactions
HGF - Research field:Energy
HGF - Program:Storage and Cross-linked Infrastructures
HGF - Program Themes:Electrochemical Energy Storage
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Electrochemical Processes (Batteries) (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Computational Electrochemistry
Deposited By: Lück, Jessica
Deposited On:06 Dec 2016 10:18
Last Modified:06 Sep 2019 15:16

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