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@ARTICLE{Kolek:857792,
author = {Kolek, Martin and Otteny, Fabian and Becking, Jens and
Winter, Martin and Esser, Birgit and Bieker, Peter},
title = {{M}echanism of {C}harge/{D}ischarge of
{P}oly(vinylphenothiazine)-{B}ased {L}i–{O}rganic
{B}atteries},
journal = {Chemistry of materials},
volume = {30},
number = {18},
issn = {1520-5002},
address = {Washington, DC},
publisher = {American Chemical Society},
reportid = {FZJ-2018-06759},
pages = {6307 - 6317},
year = {2018},
abstract = {Organic electrode materials are among the promising next
generation compounds for battery energy storage as a greener
and cheaper alternative to transition-metal-based
electrodes. A prominent class among them are redox polymers,
which can reversibly store energy and can be capable of fast
redox processes. Nevertheless, drawbacks are their often low
specific energy and lifetime. A main challenge is their
solubility in battery electrolytes, which is detrimental to
cell performance. Herein, we discuss the solubility
properties of a polyvinyl-based redox polymer with a
methylphenothiazine side group (PVMPT) in
organic-solvent-based battery electrolytes and generate new
insights into the mechanism of the redeposition process of
dissolved active material. We addressed the mechanistic
studies of this “polymer–electrolyte cross-talk” with
microscopic and spectroscopic methods. These findings are
important for the molecular design of new organic electrode
materials, since the redeposited polymer showed improved
cycling performance and outstanding cycling stabilities. We
herein aim to draw a bigger picture of the solubility of
redox polymers and its consequences and motivate the
scientific community to reconsider the common conception of
the deteriorating nature of the solubility of organic
battery electrode materials.},
cin = {IEK-12},
ddc = {540},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000445972100013},
doi = {10.1021/acs.chemmater.8b02015},
url = {https://juser.fz-juelich.de/record/857792},
}