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@ARTICLE{Tsai:878691,
author = {Tsai, Chih-Long and Lan, Tu and Dellen, Christian and Ling,
Yihan and Ma, Qianli and Fattakhova-Rohlfing, Dina and
Guillon, Olivier and Tietz, Frank},
title = {{D}endrite-tolerant all-solid-state sodium batteries and an
important mechanism of metal self-diffusion},
journal = {Journal of power sources},
volume = {476},
issn = {0378-7753},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2020-03009},
pages = {228666 -},
year = {2020},
abstract = {Inhibition of dendrite growth in all-solid-state lithium
batteries (ASSLBs) has long been a challenge to the field.In
the present study, the conditions for dendrite growth for a
similar but less mature technology, all-solid-statesodium
batteries (ASSNBs), are investigated. By simply sticking
sodium metal to Na3.4Zr2(SiO4)2.4(PO4)0.6(NZSP) ceramic
pellets and without applying external pressure during
operation, the critical current density ofNa/NZSP/Na
symmetric ASSNBs reaches 9 mA cm 2 at 25 ◦C. The cells
can be stably operated at an areal capacityof 5 mAh cm 2
(per half cycle, with 1.0 mA cm 2) at 25 ◦C for 300 h
in a galvanostatic cycling measurementwithout any dendrite
formation. The results outperform the existing ASSLBs and
ASSNBs, and also gobeyond satisfying the requirements for
practical applications. The influence of the high metal
self-diffusioncoefficient on the dendritic plating/stripping
is regarded as the most likely reason for the high dendrite
toleranceof ASSNBs. A mathematical model based on Fick’s
second law was applied as a first approximation toillustrate
this influence. Full ASSNBs were fabricated with infiltrated
Na3V2(PO4)3 (NVP) as the cathode and canbe stably operated
with a capacity of 0.60 mAh cm 2 at high rate of 0.5 mA
cm 2 at room temperature.},
cin = {IEK-1},
ddc = {620},
cid = {I:(DE-Juel1)IEK-1-20101013},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000582482700022},
doi = {10.1016/j.jpowsour.2020.228666},
url = {https://juser.fz-juelich.de/record/878691},
}