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Issue 41, 2018
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Organic small molecules and polymers as an electrode material for rechargeable lithium ion batteries

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Abstract

Organic electrode materials are promising for electrochemical energy storage devices because they have a high theoretical capacity, structural diversity, and flexibility. In addition, they are light weight, inexpensive, and environmentally benign. Organic electrode materials are a promising alternative to conventional inorganic materials. Various organic materials, such as conducting polymers, organodisulfides, nitroxyl radical polymers, and conjugated carbonyl compounds, have been studied as electrode materials for lithium batteries. Among them, small organic carbonyl compounds and polymers containing carbonyls have been widely studied as electrode materials because of their high theoretical capacity, fast redox kinetics, and structural diversity. However, these materials have intrinsic drawbacks, such as solubility in electrolyte media and a low conductivity. Herein, methods to solve these problems by increasing the polarity are discussed. The polarity of small molecules could be increased by forming salts. In addition, the conductivity could be enhanced using a chemical doping strategy or forming a composite with a conductive additive. This review provides guidance for the design of a new type of organic material for next-generation rechargeable batteries.

Graphical abstract: Organic small molecules and polymers as an electrode material for rechargeable lithium ion batteries

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Publication details

The article was received on 25 May 2018, accepted on 12 Sep 2018 and first published on 14 Sep 2018


Article type: Review Article
DOI: 10.1039/C8TA04906H
Citation: J. Mater. Chem. A, 2018,6, 19885-19911
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    Organic small molecules and polymers as an electrode material for rechargeable lithium ion batteries

    M. E. Bhosale, S. Chae, J. M. Kim and J. Choi, J. Mater. Chem. A, 2018, 6, 19885
    DOI: 10.1039/C8TA04906H

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