Rechargeable Aluminum-Ion Battery Based on MoS2 Microsphere Cathode

ACS Applied Materials & Interfaces
Zhanyu LiFeiyu Kang

Abstract

In recent years, a rechargeable aluminum-ion battery based on ionic liquid electrolyte is being extensively explored due to three-electron electrochemical reactions, rich resources, and safety. Herein, a rechargeable Al-ion battery composed of MoS2 microsphere cathode, aluminum anode, and ionic liquid electrolyte has been fabricated for the first time. It can be found that Al3+ intercalates into the MoS2 during the electrochemical reaction, whereas the storage mechanisms of the electrode material interface and internal are quite different. This result is confirmed by ex situ X-ray photoelectron spectroscopy and X-ray diffraction etching techniques. Meanwhile, this aluminum-ion battery also shows excellent electrochemical performance, such as a discharge specific capacity of 253.6 mA h g-1 at a current density of 20 mA g-1 and a discharge capacity of 66.7 mA h g-1 at a current density of 40 mA g-1 after 100 cycles. This will lay a solid foundation for the commercialization of aluminum-ion batteries.

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Citations

Aug 31, 2018·Physical Chemistry Chemical Physics : PCCP·Lu WuLiqiang Mai
Jan 15, 2019·Chemical Communications : Chem Comm·Jie WangHaijun Yu
Nov 12, 2019·Chemical Communications : Chem Comm·Xing Liu, Guosheng Shi
Feb 6, 2020·ChemSusChem·Rui ZhangHaiyan Wang
Jan 23, 2020·Chemistry : a European Journal·Francesco CiucciJang-Kyo Kim
Jan 1, 2021·Advanced Materials·Jun MeiZongyou Yin
Apr 4, 2020·ACS Applied Materials & Interfaces·Casey G HawkinsLuisa Whittaker-Brooks
Dec 3, 2020·ACS Applied Materials & Interfaces·Sangjin LeeYoung-Kyu Han
Dec 13, 2018·ACS Applied Materials & Interfaces·Chi-You Liu, Elise Y Li
Aug 27, 2021·Science Advances·Zejing LinLiquan Chen
Nov 16, 2019·ACS Applied Materials & Interfaces·Zhanyu LiFeiyu Kang
Sep 22, 2020·ACS Applied Materials & Interfaces·Dongqing KongWei Xing

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