Recommanded Product: 3141-27-3In 2022 ,《Thienoviologen anolytes for aqueous organic redox flow batteries with simultaneously enhanced capacity utilization and capacity retention》 was published in Journal of Materials Chemistry A: Materials for Energy and Sustainability. The article was written by Liu, Xu; Zhang, Xuri; Li, Guoping; Zhang, Sikun; Zhang, Bingjie; Ma, Wenqiang; Wang, Zengrong; Zhang, Yueyan; He, Gang. The article contains the following contents:
A series of thienoviologen derivatives ([(NPr)2TV]Cl4 and [(OHPr)2TV]Cl2) with a narrow bandgap, high solubility and two-electron transfer properties as anolytes for high-performance aqueous organic redox flow batteries (AORFBs) is reported. Compared with [(OHPr)2TV]Cl2 and other viologen anolytes, [(NPr)2TV]Cl4 showed a higher diffusion coefficient (D, 3.36 x 10-6 cm2 s-1) and electron transfer constant (k0, 0.31 cm s-1). Paired with (ferrocenylmethyl)-trimethylammonium chloride (FcNCl) as the catholyte, the specific capacity of the [(NPr)2TV]Cl4/FcNCl AORFB reached 4.62 A h L-1, and the capacity utilization was up to 86.1%. Moreover, the system also maintained high stability over 300 cycles and delivered 87.9% capacity retention and 99.96% capacity retention per cycle. The simultaneously enhanced capacity retention and capacity utilization of [(NPr)2TV]Cl4-based AORFBs were attributed to the high D and k0, resulting from the smaller mol. volume (583.38 Å3) and appropriate dihedral angle (∼18.37°) between the pyridines. The experimental process involved the reaction of 2,5-Dibromothiophene(cas: 3141-27-3Recommanded Product: 3141-27-3)
2,5-Dibromothiophene(cas: 3141-27-3) , is mainly used as pharmaceutical intermediate and synthesis intermediate. 2,5-Dibromothiophene polymerizes by debromination with magnesium catalyzed by nickel compounds to form poly(2,5- thienylene) .Recommanded Product: 3141-27-3
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary