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Electropolymerized Porous Conjugated Polymer Film as an Electrode for a Stable, High Energy Density Thin Film Asymmetric Supercapacitor AITranslate

Xiaoyi Chen; WeiYao Tung; Kun Yang; YuMing Chen; Kewei Liu; ChungFu Cheng; Yu Zhu;
170 University Circle; 170 University Circle; 170 University Circle; 170 University Circle; 170 University Circle; 170 University Circle; 170 University Circle
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Publisher: ACS
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Abstract AITranslate

A novel π-conjugated monomer tert-butyl 3,8-di([2,2′-bithiophen]-5-yl)-6- oxophenanthridine-5(6H)-carboxylate (PNBTH-Boc) with a labile side chain was synthesized. The monomer was electropolymerized to form redox-active polymer (Poly-PNBTH-Boc) on the current collector. The labile side chains on the polymer were then removed by thermal annealing, resulting in the porous electroactive film (Poly-PNBTH). The annealed polymer exhibited a stable oxidation process and high specific areal capacitance. Asymmetric supercapacitors were fabricated with the polymer as the positive electrode and vertically aligned carbon nanotubes as the negative electrode. The supercapacitor exhibited outstanding cyclability with 85% capacitance retention after 10 000 cycles. The thin film supercapacitor device demonstrated an energy density of 23.5 μWh/cm2 and a power density of 14 mW/cm2.

KeyWords AITranslate

electropolymerization thin film asymmetric supercapacitor conjugated polymer
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.9b00208

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Citation Information:

A novel π-conjugated monomer tert-butyl 3,8-di([2,2′-bithiophen]-5-yl)-6- oxophenanthridine-5(6H)-carboxylate (PNBTH-Boc) with a labile side chain was synthesized. The monomer was electropolymerized to form redox-active polymer (Poly-PNBTH-Boc) on the current collector. The labile side chains on the polymer were then removed by thermal annealing, resulting in the porous electroactive film (Poly-PNBTH). The annealed polymer exhibited a stable oxidation process and high specific areal capacitance. Asymmetric supercapacitors were fabricated with the polymer as the positive electrode and vertically aligned carbon nanotubes as the negative electrode. The supercapacitor exhibited outstanding cyclability with 85% capacitance retention after 10 000 cycles. The thin film supercapacitor device demonstrated an energy density of 23.5 μWh/cm2 and a power density of 14 mW/cm2.

quote

GB/T 7714-2015 [1] Xiaoyi Chen, WeiYao Tung, Kun Yang, et al. ACS Applied Polymer Materials, 2019(1). DOI:10.1021/acsapm.9b00208.
MLA [1] Xiaoyi Chen, et al., ACS Applied Polymer Materials, no. 1, 2019, https://doi.org/10.1021/acsapm.9b00208.
APA [1] Xiaoyi Chen, WeiYao Tung, Kun Yang, YuMing Chen, Kewei Liu, ChungFu Cheng, & Yu Zhu. (2019). ACS Applied Polymer Materials(1). https://doi.org/10.1021/acsapm.9b00208
IEEE [1] Xiaoyi Chen, WeiYao Tung, Kun Yang, YuMing Chen, Kewei Liu, ChungFu Cheng, and Yu Zhu, ACS Applied Polymer Materials, no. 1, 2019, doi: 10.1021/acsapm.9b00208. keywords: {electropolymerization;thin film;asymmetric supercapacitor;conjugated polymer}