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Issue 20, 2019
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Diblock copolymers consisting of a redox polymer block based on a stable radical linked to an electrically conducting polymer block as cathode materials for organic radical batteries

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Abstract

End-functionalized poly(3-hexylthiophene) (P3HT) and poly(2,2,6,6-tetramethylpiperidinyloxy-4-yl methacrylate) (PTMA) were synthesized using controlled polymerization techniques and linked together to lead to a diblock copolymer structure via click cycloaddition. These diblock copolymers were further blended with carbon nanotubes (CNTs) to be used as cathodes in organic radical batteries. The performances of these batteries were studied during charge/discharge cycling at constant and variable current densities (C rate). In order to shed light on the importance of the diblock copolymer architecture, the results were compared to the capacities measured on electrodes made of blends of P3HT and PTMA homopolymers. Theoretical simulations were finally used to corroborate the good electrochemical properties of the synthesized diblock copolymers.

Graphical abstract: Diblock copolymers consisting of a redox polymer block based on a stable radical linked to an electrically conducting polymer block as cathode materials for organic radical batteries

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Publication details

The article was received on 18 Feb 2019, accepted on 14 Apr 2019 and first published on 15 Apr 2019


Article type: Paper
DOI: 10.1039/C9PY00268E
Polym. Chem., 2019,10, 2570-2578

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    Diblock copolymers consisting of a redox polymer block based on a stable radical linked to an electrically conducting polymer block as cathode materials for organic radical batteries

    N. Hergué, B. Ernould, A. Minoia, J. De Winter, P. Gerbaux, R. Lazzaroni, J. Gohy, P. Dubois and O. Coulembier, Polym. Chem., 2019, 10, 2570
    DOI: 10.1039/C9PY00268E

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