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@ARTICLE{Jia:857829,
author = {Jia, Hao and Onishi, Hitoshi and Wagner, Ralf and Winter,
Martin and Cekic-Laskovic, Isidora},
title = {{A}n {I}ntrinsically {S}afe {G}el {P}olymer {E}lectrolyte
{C}omprising {F}lame {R}etarding {P}olymer {M}atrix for
{L}ithium {I}on {B}attery {A}pplication},
journal = {ACS applied materials $\&$ interfaces},
volume = {10},
number = {49},
issn = {1944-8252},
address = {Washington, DC},
publisher = {Soc.},
reportid = {FZJ-2018-06796},
pages = {42348-42355},
year = {2018},
abstract = {State-of-the-art (SOTA) liquid electrolyte/polyolefin
separator setups used in lithium ion batteries suffer from
the hazard of leakage and high flammability. To address
these issues, phosphonate, a flame retarding moiety, is
chemically bonded to a polymer matrix to fabricate a
non-flammable gel polymer electrolyte (GPE). The obtained
phosphonate-based polymer matrix as well as its
corresponding GPE (gelled with flammable SOTA non-aqueous
liquid electrolyte) show remarkable flame resistivity.
Unlike poly(vinylidene fluoride-co-hexafluoropropylene)
(PVdF-HFP)-based GPEs, the phosphonate-based GPE does not
react with lithiated graphite at high temperatures. Both
features indicate that the phosphonate-based GPE is superior
to SOTA GPEs in the aspect of safety performance. As the
flame retarding moiety is chemically bonding to the polymer,
the parasitic reactions between the flame retarding moiety
and the electrodes are avoided. Consequently, lithium ion
battery (LIB) cells comprising phosphonate-based GPE show
good capacity retention comparable to cells comprising SOTA
GPEs. Compared with SOTA GPEs, phosphonate-based polymer
based GPEs show improved intrinsic safety performance and
comparable cycle life. Therefore, phosphonate-based polymers
exhibit high potential to be used as a new class of polymer
matrix for GPE used in LIBs.},
cin = {IEK-12},
ddc = {600},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:30403125},
UT = {WOS:000453488900055},
doi = {10.1021/acsami.8b15505},
url = {https://juser.fz-juelich.de/record/857829},
}