Molecular design strategies for electrochemical behavior of aromatic carbonyl compounds in organic and aqueous electrolytes
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Date
2019
Authors
Peng, H.
Yu, Q.
Wang, S.
Kim, J.
Rowan, A.E.
Nanjundan, A.K.
Yamauchi, Y.
Yu, J.
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Journal article
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Advanced Science, 2019; 6(17):1900431-1-1900431-37
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Huiling Peng, Qianchuan Yu, Shengping Wang, Jeonghun Kim, Alan E. Rowan, Ashok Kumar Nanjundan, Yusuke Yamauchi, and Jingxian Yu
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Abstract
To sustainably satisfy the growing demand for energy, organic carbonyl compounds (OCCs) are being widely studied as electrode active materials for batteries owing to their high capacity, flexible structure, low cost, environmental friendliness, renewability, and universal applicability. However, their high solubility in electrolytes, limited active sites, and low conductivity are obstacles in increasing their usage. Here, the nucleophilic addition reaction of aromatic carbonyl compounds (ACCs) is first used to explain the electrochemical behavior of carbonyl compounds during charge-discharge, and the relationship of the molecular structure and electrochemical properties of ACCs are discussed. Strategies for molecular structure modifications to improve the performance of ACCs, i.e., the capacity density, cycle life, rate performance, and voltage of the discharge platform, are also elaborated. ACCs, as electrode active materials in aqueous solutions, will become a future research hotspot. ACCs will inevitably become sustainable green materials for batteries with high capacity density and high power density.
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© 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.