Imidazolium-functionalized liquid ferrocene derivative positive material enables robust cycling stability of non-aqueous redox flow battery

Zhen, Yihan; Zhang, Cuijuan; Li, Yongdan

doi:10.1016/j.cej.2023.143697

Cited by 5 publications

(2 citation statements)

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“…Non-aqueous RFBs commonly exhibit greater polarization and weaker current tolerance due to the limited conductivity of organic solvent, while posing risks of combustion and explosion. 5,6 In contrast, aqueous RFBs, characterized by good conductivity and high safety, show the most promising commercial applications. 7,8 Representative aqueous RFBs encompass all-vanadium RFBs, 9,10 iron–chromium RFBs, 11,12 polysulfide RFBs, 13,14 halogen RFBs, 15,16 aqueous organic RFBs 2 and others.…”

Section: Introductionmentioning

confidence: 99%

The design engineering of nanocatalysts for high power redox flow batteries

Lan,

Wu,

Yang

et al. 2024

Nanoscale

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Section: Introductionmentioning

confidence: 99%

The design engineering of nanocatalysts for high power redox flow batteries

Lan,

Wu,

Yang

et al. 2024

Nanoscale

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“…Ferrocene derivatives continue to generate unabated research activity in organometallic chemistry 1,2 and neighboring disciplines such as bioorganometallic chemistry, 3–5 catalysis, 6–9 materials science 10–15 etc. In particular, recent advances in the studies of ferrocene-1,1′-diyl-bisphosphinic acids, Fc(P(R)OOH) 2 (see the schematic structure for RCH 3 in Fig.…”

Section: Introductionmentioning

confidence: 99%

Evidence of extremely short hydrogen bond in the homoconjugated ferrocene-1,1′-diyl-bisphosphinic acid anion: sign change of the H/D isotope effect on the ³¹P NMR chemical shift

Chakalov,

Shekurov,

Miluykov

et al. 2023

Phys. Chem. Chem. Phys.

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Functional Metallocenes as Cofactors Promote the Catalytic Performance of Mimetic Enzymes

Zhang,

Zhao,

Kong

et al. 2024

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Coenzymes (cofactors) are essential for bio‐redox reactions, group transfer reactions, and heterogeneous reactions of bio‐enzymes, as well as the auxiliary transfer of electrons or atoms to promote bio‐enzyme activity. However, when mimetic enzymes are scaled to the micro or nanoscale levels, both the absence of cofactor activity and the presence of migrating internal atoms cause self‐depletion, eventually limiting sustained usage. Herein, cofactor regulation, a key issue long neglected in traditional mimetic enzyme construction is addressed. In particular, the construction of a mimetic enzyme with monomeric ferrocene is reported. The artificial enzyme consists of both a catalytic center (Fe2+/3+) and a proximate structural unit (functional cyclopentadienyl). The reducing properties of cyclopentadienyl are used as a cofactor to decrease activation energy required to catalyze Fe3+ to Fe2+, lower energy barriers to increase recycling, and, finally, promote electron transfer. This ferrocene‐based mimetic enzyme can achieve non‐depletion cycle catalysis by keeping the structures and properties of the enzyme constant after the catalytic reaction. Thus, this in situ self‐assembly construction of mimetic enzymes using functionalized proximate structural units as cofactors offers a niche concept to solve the predicament of self‐depletion such as that seen in traditional mimetic enzymes.

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Imidazolium-functionalized liquid ferrocene derivative positive material enables robust cycling stability of non-aqueous redox flow battery

Cited by 5 publications

References 59 publications

The design engineering of nanocatalysts for high power redox flow batteries

The design engineering of nanocatalysts for high power redox flow batteries

Evidence of extremely short hydrogen bond in the homoconjugated ferrocene-1,1′-diyl-bisphosphinic acid anion: sign change of the H/D isotope effect on the ³¹P NMR chemical shift

Functional Metallocenes as Cofactors Promote the Catalytic Performance of Mimetic Enzymes

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Imidazolium-functionalized liquid ferrocene derivative positive material enables robust cycling stability of non-aqueous redox flow battery

Cited by 5 publications

References 59 publications

The design engineering of nanocatalysts for high power redox flow batteries

The design engineering of nanocatalysts for high power redox flow batteries

Evidence of extremely short hydrogen bond in the homoconjugated ferrocene-1,1′-diyl-bisphosphinic acid anion: sign change of the H/D isotope effect on the 31P NMR chemical shift

Functional Metallocenes as Cofactors Promote the Catalytic Performance of Mimetic Enzymes

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Evidence of extremely short hydrogen bond in the homoconjugated ferrocene-1,1′-diyl-bisphosphinic acid anion: sign change of the H/D isotope effect on the ³¹P NMR chemical shift