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@INPROCEEDINGS{Teucher:156198,
author = {Teucher, Georg and Van Gestel, Tim and Uhlenbruck, Sven and
Eichel, Rüdiger-A. and Guillon, Olivier and Meister, Paul
and Winter, Martin},
title = {{D}evelopment of {C}orrosion {P}rotection {L}ayers for
{C}urrent {C}ollectors in {D}ual-{I}on {B}atteries},
school = {RWTH Aachen},
reportid = {FZJ-2014-05038},
year = {2014},
abstract = {In novel dual-ion cells graphite intercalation compounds
will be used for both electrodes. The consequent
intercalation of both, cations and anions, in the respective
electrodes enables voltage values above 5 V. Established
liquid electrolytes do not resist these conditions.
Therefore those are replaced by ionic liquids having a good
electrochemical performance also at higher temperatures. Now
the challenge is to overcome the corrosion of the aluminium
current collector triggered by fluorinated anions like
bis(trifluoromethylsulfonyl)imide (TFSI). Our approach to
protect the metal against corrosion is the deposition of an
only electronically conductive, defect free and mechanically
as well as electrochemically stable layer. Different
material compositions in the range of oxidic ceramics are
tested, first of all doped semiconductors, e. g. alumina
doped zinc oxide. The preparation is based on a sol-gel
route combined with several wet-chemical coating methods,
because these are easily adjustable to different substrate
sizes. Cyclic voltammetry is used to investigate the
electrochemical performance of the protection layers on
aluminium substrates.},
month = {Aug},
date = {2014-08-31},
organization = {65th Annual Meeting of the
International Society of
Electrochemistry, Lausanne
(Switzerland), 31 Aug 2014 - 5 Sep
2014},
cin = {IEK-1 / IEK-9},
cid = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-9-20110218},
pnm = {435 - Energy Storage (POF2-435) / HITEC - Helmholtz
Interdisciplinary Doctoral Training in Energy and Climate
Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF2-435 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)24},
url = {https://juser.fz-juelich.de/record/156198},
}