Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 9, Issue 34, Pages 18506-18514Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ta03784f
Keywords
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Funding
- National Natural Science Foundation of China [51703166]
- Fundamental Research Funds for China Postdoctoral Science Foundation [2020M683417]
- Central University [GK202003031]
- Natural Science Basic Research Plan in Shaanxi Province of China [2021JQ-302]
- China Postdoctoral Science Foundation [2020M683419]
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The development of redox-active conjugated polymers with superior electrochemical performance and a uniform hierarchical structure is a highly rewarding direction for improving the performance of organic hybrid batteries. Viologen-based compounds, as strong electron acceptors, have desirable and tunable redox properties, making them suitable candidates for battery applications. This work presents the preparation of a fibrous, conjugated porous polymer P1 with promising reversible redox properties and high capacity and cycling stability, providing a promising approach for the development of novel organic electrodes for sustainable and durable rechargeable batteries.
Development of redox-active conjugated polymers with superior electrochemical performance and a uniform hierarchical structure is a highly rewarding direction for improving the performance of organic hybrid batteries. As a strong electron acceptor, viologen-based compounds have desirable and tunable redox properties, making them suitable candidates for battery applications. In this paper, we disclose the preparation of a fibrous, conjugated porous polymer P1 from the newly designed N,N'-diarylation of dipyridinium thiazolo[5,4-d]thiazole (Py(2)TTz) building blocks with a promising reversible one-step two-electron redox process. Notably, the fibrous P1 shows a high capacity and excellent cycling stability (nearly 100% capacity retention at a high current density of 800 mA g(-1) after 1000 cycles), which are far superior to those of the state-of-the-art viologen materials. This work provides a promising approach for the development of novel organic electrodes for sustainable and durable rechargeable batteries.
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