Na3NH2B12H12 as high performance solid electrolyte for all-solid-state Na-ion batteries

Status	已發表Published
	Na3NH2B12H12 as high performance solid electrolyte for all-solid-state Na-ion batteries
	He, L.; Lin, H.; Li, H.; Filinchuk, Y.; Zhang, J.; Liu, Y.; Yang, M.; Hou, Y.; Deng, Y.; Li, H.; Shao, H.; Wang, L.; Lu, Z.
	2018-08-31
Source Publication	Journal of Power Sources
ISSN	0378-7753
Pages	574-579
Abstract	Solid electrolyte with stable and fast Na+ ionic conductivity is of central importance in the development of all-solid-state sodium batteries. Here we present a novel Na+ conductor based on complex hydrides with composition of Na3NH2B12H12. It exhibits remarkable thermal stability up to 593 K and excellent electrochemical stable window up to 10 V (vs. Na+/Na). It demonstrates a high Na+ conductivity of 1.0×10-4 S cm-1 at a temperature of 372 K, which is much higher than those of its precursors NaNH2 and Na2B12H12. All-solid-state Na-ion batteries were constructed by employing the obtained Na3NH2B12H12 as electrolyte, TiS2 as cathode and sodium foil as anode, which can reversibly discharge/charge for over 200 cycles with more than 50% capacity retention at 353 K and 0.1 C. This work opens the gate to develop advanced solid electrolytes via combination of metal amides with closo borates.
Keyword	Na3NH2B12H12 solid electrolyte all-solid-state Na-ion battery complex hydride
URL	View the original
Language	英語English
The Source to Article	PB_Publication
PUB ID	36436
Document Type	Journal article
Collection	University of Macau
Corresponding Author	Deng, Y.; Shao, H.; Lu, Z.
Recommended Citation GB/T 7714	He, L.,Lin, H.,Li, H.,et al. Na3NH2B12H12 as high performance solid electrolyte for all-solid-state Na-ion batteries[J]. Journal of Power Sources, 2018, 574-579.
APA	He, L.., Lin, H.., Li, H.., Filinchuk, Y.., Zhang, J.., Liu, Y.., Yang, M.., Hou, Y.., Deng, Y.., Li, H.., Shao, H.., Wang, L.., & Lu, Z. (2018). Na3NH2B12H12 as high performance solid electrolyte for all-solid-state Na-ion batteries. Journal of Power Sources, 574-579.
MLA	He, L.,et al."Na3NH2B12H12 as high performance solid electrolyte for all-solid-state Na-ion batteries".Journal of Power Sources (2018):574-579.

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