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@ARTICLE{Cao:890420,
author = {Cao, Keshuang and Ma, Qianli and Tietz, Frank and Xu, Ben
Bin and Yan, Mi and Jiang, Yinzhu},
title = {{A} robust, highly reversible, mixed conducting sodium
metal anode},
journal = {Science bulletin},
volume = {66},
number = {2},
issn = {2095-9273},
address = {[S.l.]},
publisher = {Science China Press},
reportid = {FZJ-2021-00940},
pages = {179-186},
year = {2021},
abstract = {Sodium metal anode holds great promise in pursuing
high-energy and sustainable rechargeable batteries,but
severely suffers from fatal dendrite growth accompanied with
huge volume change. Herein, a robustmixed conducting sodium
metal anode is designed through incorporating NaSICON-type
solid Na-ionconductor into bulk Na. A fast and continuous
pathway for simultaneous transportation of electronsand Na+
is established throughout the composite anode. The intimate
contact between Na-ion conductingphase and Na metallic phase
constructs abundant two-phase boundaries for fast redox
reactions. Further,the compact configuration of the
composite anode substantially protects Na metal from being
corrodedby liquid organic electrolyte for the minimization
of side reactions. Benefiting from the unique
configuration,the composite anode shows highly reversible
and durable Na plating/stripping behavior. The
symmetriccells exhibit ultralong lifespan for over 700 h at
1 mA cm2 with a high capacity of 5 mAh cm2and outstanding
rate capability up to 8 mA cm2 in the carbonate electrolyte.
Full cells with Na3V2(PO4)3/C cathode demonstrate impressive
cycling stability (capacity decay of $0.012\%$ per cycle)
and low charge/discharge polarization as well. This work
provides new insights into rational design and development
ofrobust sodium metal anode through an architecture
engineering strategy for advanced rechargeablesodium
batteries.},
cin = {IEK-1},
ddc = {500},
cid = {I:(DE-Juel1)IEK-1-20101013},
pnm = {122 - Elektrochemische Energiespeicherung (POF4-122)},
pid = {G:(DE-HGF)POF4-122},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000616773400014},
doi = {10.1016/j.scib.2020.06.005},
url = {https://juser.fz-juelich.de/record/890420},
}