Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) Nanoconfined in SBA-15 as Solid-State Electrolyte for Lithium Batteries

Solid electrolytes with high Li-ion conductivity and electrochemical stability are very important for developing high-performance all-solid-state batteries. In this work, Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) is nanoconfined in the mesoporous silica molec...

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Main Authors: Qianyi Yang, Fuqiang Lu, Yulin Liu, Yijie Zhang, Xiujuan Wang, Yuepeng Pang, Shiyou Zheng
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Nanomaterials
Subjects:
Online Access:https://www.mdpi.com/2079-4991/11/4/946
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spelling doaj-7ef9dbae4cb0405a85cad1ab39c0e1ea2021-04-08T23:02:38ZengMDPI AGNanomaterials2079-49912021-04-011194694610.3390/nano11040946Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) Nanoconfined in SBA-15 as Solid-State Electrolyte for Lithium BatteriesQianyi Yang0Fuqiang Lu1Yulin Liu2Yijie Zhang3Xiujuan Wang4Yuepeng Pang5Shiyou Zheng6School of Material Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Material Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Material Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Material Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Material Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Material Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Material Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSolid electrolytes with high Li-ion conductivity and electrochemical stability are very important for developing high-performance all-solid-state batteries. In this work, Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) is nanoconfined in the mesoporous silica molecule sieve (SBA-15) using a melting–infiltration approach. This electrolyte exhibits excellent Li-ion conduction properties, achieving a Li-ion conductivity of 5.0 × 10<sup>−3</sup> S cm<sup>−1</sup> at 55 °C, an electrochemical stability window of 0 to 3.2 V and a Li-ion transference number of 0.97. In addition, this electrolyte can enable the stable cycling of Li|Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>)@SBA-15|TiS<sub>2</sub> cells, which exhibit a reversible specific capacity of 150 mAh g<sup>−1</sup> with a Coulombic efficiency of 96% after 55 cycles.https://www.mdpi.com/2079-4991/11/4/946lithium borohydrideslithium amidesnanoconfinementsolid electrolytesall-solid-state batteries
collection DOAJ
language English
format Article
sources DOAJ
author Qianyi Yang
Fuqiang Lu
Yulin Liu
Yijie Zhang
Xiujuan Wang
Yuepeng Pang
Shiyou Zheng
spellingShingle Qianyi Yang
Fuqiang Lu
Yulin Liu
Yijie Zhang
Xiujuan Wang
Yuepeng Pang
Shiyou Zheng
Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) Nanoconfined in SBA-15 as Solid-State Electrolyte for Lithium Batteries
Nanomaterials
lithium borohydrides
lithium amides
nanoconfinement
solid electrolytes
all-solid-state batteries
author_facet Qianyi Yang
Fuqiang Lu
Yulin Liu
Yijie Zhang
Xiujuan Wang
Yuepeng Pang
Shiyou Zheng
author_sort Qianyi Yang
title Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) Nanoconfined in SBA-15 as Solid-State Electrolyte for Lithium Batteries
title_short Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) Nanoconfined in SBA-15 as Solid-State Electrolyte for Lithium Batteries
title_full Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) Nanoconfined in SBA-15 as Solid-State Electrolyte for Lithium Batteries
title_fullStr Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) Nanoconfined in SBA-15 as Solid-State Electrolyte for Lithium Batteries
title_full_unstemmed Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) Nanoconfined in SBA-15 as Solid-State Electrolyte for Lithium Batteries
title_sort li<sub>2</sub>(bh<sub>4</sub>)(nh<sub>2</sub>) nanoconfined in sba-15 as solid-state electrolyte for lithium batteries
publisher MDPI AG
series Nanomaterials
issn 2079-4991
publishDate 2021-04-01
description Solid electrolytes with high Li-ion conductivity and electrochemical stability are very important for developing high-performance all-solid-state batteries. In this work, Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>) is nanoconfined in the mesoporous silica molecule sieve (SBA-15) using a melting–infiltration approach. This electrolyte exhibits excellent Li-ion conduction properties, achieving a Li-ion conductivity of 5.0 × 10<sup>−3</sup> S cm<sup>−1</sup> at 55 °C, an electrochemical stability window of 0 to 3.2 V and a Li-ion transference number of 0.97. In addition, this electrolyte can enable the stable cycling of Li|Li<sub>2</sub>(BH<sub>4</sub>)(NH<sub>2</sub>)@SBA-15|TiS<sub>2</sub> cells, which exhibit a reversible specific capacity of 150 mAh g<sup>−1</sup> with a Coulombic efficiency of 96% after 55 cycles.
topic lithium borohydrides
lithium amides
nanoconfinement
solid electrolytes
all-solid-state batteries
url https://www.mdpi.com/2079-4991/11/4/946
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