Enhanced interface stability of ammine magnesium borohydride by in situ decoration of MgBr2·2NH3 nanoparticles

Qian Wang; Zhaoyue Li; Hanyu Deng; Yungui Chen; Yigang Yan

doi:10.1039/D3CC00994G

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Enhanced interface stability of ammine magnesium borohydride by in situ decoration of MgBr₂·2NH₃ nanoparticles†

Qian Wang,

^ab Zhaoyue Li,^b Hanyu Deng,

^c Yungui Chen

^ad and Yigang Yan

*^ad

Author affiliations

* Corresponding authors

^a Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu 610065, China
E-mail: yigang.yan@scu.edu.cn

^b College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China

^c College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China

^d Engineering Research Center of Alternative Energy Materials and Devices, Ministry of Education, China

Abstract

A novel Mg(BH₄)₂·1.9NH₃-MgBr₂·2NH₃ composite was demonstrated as a solid-state Mg²⁺ electrolyte. The in situ decoration of MgBr₂·2NH₃ nanoparticles with an average size of 3.7 nm on the surface of Mg(BH₄)₂·1.9NH₃ improves the Mg²⁺ conductivity to 2.1 × 10⁻⁴ S cm⁻¹ at 50 °C and offers long-term stability towards the Mg metal anode.

This article is part of the themed collection: Carbon Neutrality – Youth Innovation Promotion Association Forum of the Chinese Academy of Sciences

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Article information

DOI: https://doi.org/10.1039/D3CC00994G
Article type: Communication
Submitted: 28 Feb 2023
Accepted: 09 May 2023
First published: 09 May 2023

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Chem. Commun., 2023,59, 6726-6729

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Enhanced interface stability of ammine magnesium borohydride by in situ decoration of MgBr₂·2NH₃ nanoparticles

Q. Wang, Z. Li, H. Deng, Y. Chen and Y. Yan, Chem. Commun., 2023, 59, 6726 DOI: 10.1039/D3CC00994G

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