A Green and Effective Organocatalyst for Faster Oxidation of Li2S in Electrochemical Processes

Qining Fan; Shilin Zhang; Jicheng Jiang; Wilford Lie; Wei Kong Pang; Qinfen Gu; Weishen Yang; Huakun Liu; Jiazhao Wang; Zaiping Guo

doi:10.1002/adfm.202212796

A Green and Effective Organocatalyst for Faster Oxidation of Li₂S in Electrochemical Processes

Qining Fan
, Shilin Zhang
, Jicheng Jiang
, Wilford Lie
, Wei Kong Pang
, Qinfen Gu
, Weishen Yang
, Huakun Liu
, Jiazhao Wang^*
, Zaiping Guo^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

28 Citations (Scopus)

Abstract

The search for viable carbon-neutral sources of renewable energy is one of the most critical challenges in science today. The chemical community is committed to seeking efficient, inexpensive, and sustainable electrocatalysts that can exploit the energy produced by sustainable energy resources. Here, an ethanol organocatalyst, which is green and cheap, that can efficiently catalyze the oxidation of Li₂S in the electrochemical reactions of Li₂S cathodes is identified. This study demonstrates that a multitude of small molecular organocatalysts will offer electrochemists an elegant tool for accelerating electrochemical reactions with otherwise unattainable efficiency and precision. This concept refashions electrochemical domains and has broad implications for the design of “green” and sustainable chemistry cycles. © 2023 The Authors. Advanced Functional Materials published by Wiley-VCH GmbH.

Original language	English
Article number	2212796
Journal	Advanced Functional Materials
Volume	33
Issue number	34
Online published	14 May 2023
DOIs	https://doi.org/10.1002/adfm.202212796
Publication status	Published - 22 Aug 2023
Externally published	Yes

Funding

Q.F. and S.Z. contributed equally to this work. The authors gratefully appreciate the financial support provided by the Australian Research Council (ARC) (Nos. LP160100914, DP180101453, and FL210100050). The authors thank the UOW Electron Microscopy Centre for equipment use, the Australian Synchrotron (ANSTO) (Nos. AS192/PD/14632 and AS212/SXR/17250) for the tests in the Powder Diffraction (PD) and soft X-ray Adsorption Spectroscopy (Soft XAS) beamlines, and surface analysis laboratory, SSEAU, MWAC, UNSW for TOF-SIMS analysis as well. Many thanks also go to Dr. Tania Silver for her critical reading of the manuscript and Dr. Zhijie Wang and Ms. Yanyan Wang for their suggestions and comments. Open access publishing facilitated by University of Wollongong, as part of the Wiley - University of Wollongong agreement via the Council of Australian University Librarians.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Research Keywords

electrochemical oxidation
ethanol
hydrogen bonds
Li2S cathode
Li–S batteries
organocatalysts

Publisher's Copyright Statement

This full text is made available under CC-BY-NC-ND 4.0. https://creativecommons.org/licenses/by-nc-nd/4.0/

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Cite this

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abstract = "The search for viable carbon-neutral sources of renewable energy is one of the most critical challenges in science today. The chemical community is committed to seeking efficient, inexpensive, and sustainable electrocatalysts that can exploit the energy produced by sustainable energy resources. Here, an ethanol organocatalyst, which is green and cheap, that can efficiently catalyze the oxidation of Li2S in the electrochemical reactions of Li2S cathodes is identified. This study demonstrates that a multitude of small molecular organocatalysts will offer electrochemists an elegant tool for accelerating electrochemical reactions with otherwise unattainable efficiency and precision. This concept refashions electrochemical domains and has broad implications for the design of “green” and sustainable chemistry cycles. {\textcopyright} 2023 The Authors. Advanced Functional Materials published by Wiley-VCH GmbH.",

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AU - Lie, Wilford

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AU - Gu, Qinfen

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AB - The search for viable carbon-neutral sources of renewable energy is one of the most critical challenges in science today. The chemical community is committed to seeking efficient, inexpensive, and sustainable electrocatalysts that can exploit the energy produced by sustainable energy resources. Here, an ethanol organocatalyst, which is green and cheap, that can efficiently catalyze the oxidation of Li2S in the electrochemical reactions of Li2S cathodes is identified. This study demonstrates that a multitude of small molecular organocatalysts will offer electrochemists an elegant tool for accelerating electrochemical reactions with otherwise unattainable efficiency and precision. This concept refashions electrochemical domains and has broad implications for the design of “green” and sustainable chemistry cycles. © 2023 The Authors. Advanced Functional Materials published by Wiley-VCH GmbH.

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KW - hydrogen bonds

KW - Li2S cathode

KW - Li–S batteries

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