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@ARTICLE{Shaji:902326,
author = {Shaji, Ishamol and Diddens, Diddo and Ehteshami, Niloofar
and Winter, Martin and Nair, Jijeesh Ravi},
title = {{M}ultisalt chemistry in ion transport and interface of
lithium metal polymer batteries},
journal = {Energy storage materials},
volume = {44},
issn = {2405-8297},
address = {Amsterdam},
publisher = {Elsevier},
reportid = {FZJ-2021-04183},
pages = {263 - 277},
year = {2022},
abstract = {Solvent-free solid-state polymer electrolytes (SPE) that go
beyond the barriers like intrinsic low ionic conductivity,
slow ion dynamics, and unstable electrode-electrolyte
interphase will be fundamental for realizing the next
generation of safe and high-performance lithium metal
batteries. Hereby, cross-linked solid polymer electrolyte
(XSPE) networks based on multisalt chemistry are synthesized
using photopolymerization reaction, which outshine the
conventional single salt-based XSPEs. By introducing the
multisalt chemistry, an enhanced Li+ ion transport (ionic
conductivity and short residence time) via anion mediated
transfer (AMT) and improved interfacial characteristics
(e.g., stable Li|electrolyte interphase, smooth
Li-deposition) are demonstrated. Furthermore, a three-times
increase in Li+ ion transference number and nearly one order
of magnitude increment in diffusion coefficient are
achieved. Using theoretical calculations, we propose an
AMT-based ion conduction pathway in multisalt-based XSPEs.
Besides, the superior electrochemical performance of
multisalt-based XSPEs compared to single salt-based polymer
electrolytes in Li-metal polymer batteries (LMPB) using
C-LiFePO4 and LiNi0.8Co0.15Al0.05O2 cathodes are
successfully demonstrated.},
cin = {IEK-12},
ddc = {624},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {1221 - Fundamentals and Materials (POF4-122)},
pid = {G:(DE-HGF)POF4-1221},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000718172000007},
doi = {10.1016/j.ensm.2021.10.017},
url = {https://juser.fz-juelich.de/record/902326},
}