Synthesis and investigation of a new organic electrode material based on condensation product of triquinoyl with 1,2,4,5-tetraaminobenzene

Guzaliya R. Baymuratova, Kyunsylu G. Khatmullina, Igor K. Yakuschenko, Galiya Z. Tulibaeva, Tatiana A. Savinykh, Pavel A. Troshin, Alexander F. Shestakov, Olga V. Yarmolenko

Результат исследований: Вклад в журналСтатьярецензирование

3 Цитирования (Scopus)

Аннотация

We report on the synthesis of PTTA that is a product of polymeric condensation of triquinoyl with 1,2,4,5-tetraaminobenzene and on the application of this polymer as the redox-active material for an electrode in lithium-ion batteries. Two electrolytes were selected: 1 M LiPF6 in ethylene carbonate: dimethyl carbonate mixture (1: 1) and the same electrolyte with the additive of benzo-15-crown-5 (5 wt%). The new organic electrode has a theoretical capacity of 344 mAh g−1 (3e), and its redox processes have been investigated using CV, charge-discharge cycling, and quantum-chemical modeling. It was shown that added benzo-15-crown-5 allows achieving the theoretical discharge capacity under the same conditions. Quantum chemical DFT modeling provided insights into the mechanistic aspects of PTTA metallation.

Язык оригиналаАнглийский
Номер статьи115234
ЖурналJournal of Electroanalytical Chemistry
Том889
DOI
СостояниеОпубликовано - 15 мая 2021
Опубликовано для внешнего пользованияДа

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