Na 3 NH 2 B 12 H 12 as high performance solid electrolyte for all-solid-state Na-ion batteries

Liqing He, Huaijun Lin, Hai Feng Li, Yaroslav Filinchuk, Junjun Zhang, Ying Liu, Mingyang Yang, Yan Hou, Yonghong Deng, Haiwen Li, Huaiyu Shao, Liping Wang, Zhouguang Lu

Research output: Contribution to journalArticle

8 Citations (Scopus)

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 Na 3 NH 2 B 12 H 12 . 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 NaNH 2 and Na 2 B 12 H 12 . All-solid-state Na-ion batteries were constructed by employing the obtained Na 3 NH 2 B 12 H 12 as electrolyte, TiS 2 as cathode and sodium foil as anode, which can reversibly discharge/charge for over 200 cycles with more than 50% capacity retention at temperature of 353 K and a rate of 0.1 C. This work opens the gate to develop advanced solid electrolytes via combination of metal amides with closo borates.

Original languageEnglish
Pages (from-to)574-579
Number of pages6
JournalJournal of Power Sources
Volume396
DOIs
Publication statusPublished - Aug 31 2018

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Solid electrolytes
solid electrolytes
electric batteries
Sodium
sodium
Ions
solid state
Borates
Ionic conductivity
borates
Amides
Hydrides
Metal foil
ion currents
amides
Electrolytes
hydrides
foils
Anodes
ions

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Na 3 NH 2 B 12 H 12 as high performance solid electrolyte for all-solid-state Na-ion batteries . / He, Liqing; Lin, Huaijun; Li, Hai Feng; Filinchuk, Yaroslav; Zhang, Junjun; Liu, Ying; Yang, Mingyang; Hou, Yan; Deng, Yonghong; Li, Haiwen; Shao, Huaiyu; Wang, Liping; Lu, Zhouguang.

In: Journal of Power Sources, Vol. 396, 31.08.2018, p. 574-579.

Research output: Contribution to journalArticle

He, L, Lin, H, Li, HF, Filinchuk, Y, Zhang, J, Liu, Y, Yang, M, Hou, Y, Deng, Y, Li, H, Shao, H, Wang, L & Lu, Z 2018, ' Na 3 NH 2 B 12 H 12 as high performance solid electrolyte for all-solid-state Na-ion batteries ', Journal of Power Sources, vol. 396, pp. 574-579. https://doi.org/10.1016/j.jpowsour.2018.06.054
He, Liqing ; Lin, Huaijun ; Li, Hai Feng ; Filinchuk, Yaroslav ; Zhang, Junjun ; Liu, Ying ; Yang, Mingyang ; Hou, Yan ; Deng, Yonghong ; Li, Haiwen ; Shao, Huaiyu ; Wang, Liping ; Lu, Zhouguang. / Na 3 NH 2 B 12 H 12 as high performance solid electrolyte for all-solid-state Na-ion batteries In: Journal of Power Sources. 2018 ; Vol. 396. pp. 574-579.
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AU - Filinchuk, Yaroslav

AU - Zhang, Junjun

AU - Liu, Ying

AU - Yang, Mingyang

AU - Hou, Yan

AU - Deng, Yonghong

AU - Li, Haiwen

AU - Shao, Huaiyu

AU - Wang, Liping

AU - Lu, Zhouguang

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AB - 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 Na 3 NH 2 B 12 H 12 . 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 NaNH 2 and Na 2 B 12 H 12 . All-solid-state Na-ion batteries were constructed by employing the obtained Na 3 NH 2 B 12 H 12 as electrolyte, TiS 2 as cathode and sodium foil as anode, which can reversibly discharge/charge for over 200 cycles with more than 50% capacity retention at temperature of 353 K and a rate of 0.1 C. This work opens the gate to develop advanced solid electrolytes via combination of metal amides with closo borates.

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