Electrochemical Water Oxidation and Reduction Catalyzed by Organometallic Compounds

Wang, Mei; Li, Fēi

doi:10.1002/9783527651733.ch18

Cited by 1 publication

(3 citation statements)

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“…Preparation of [CpNi(μ-SX)] 2 [X = CH 2 Ph (1), C 8 H 17 (2), and p-C 6 H 4 CH 3 (3)]. In the preparation of 1, benzyl mercaptan (0.3 mmol, 35.2 μL) was added to a toluene solution (8 mL) containing nickelocene Ni(C 5 H 5 ) 2 (0.3 mmol, 56.7 mg).…”

Section: ■ Conclusionmentioning

confidence: 99%

“…1,3,4 Water splitting consists of two parts; the oxidation of water, which generates dioxygen, and the reduction of protons, which produces H 2 . 2,5 While platinum metal is able to catalyze proton reduction readily, its high cost and rarity prevent widespread applications. 6,7 A lot of effort has thus been devoted to finding inexpensive, earth-abundant catalysts to drive the proton reduction process more efficiently.…”

Section: ■ Introductionmentioning

confidence: 99%

“…In an effort to reduce the dependence on fossil fuels as energy sources, much research has been carried out to search for new clean fuels. − The generation of dihydrogen (H 2 ) gas as a carbon-free fuel from water splitting has attracted much attention. ,, Water splitting consists of two parts; the oxidation of water, which generates dioxygen, and the reduction of protons, which produces H 2 . , While platinum metal is able to catalyze proton reduction readily, its high cost and rarity prevent widespread applications. , A lot of effort has thus been devoted to finding inexpensive, earth-abundant catalysts to drive the proton reduction process more efficiently. , …”

Section: Introductionmentioning

confidence: 99%

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Bis(cyclopentadienyl)nickel(II) μ-Thiolato Complexes as Proton Reduction Electrocatalysts

et al. 2019

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Thiolato-bridged cyclopentadienylnickel dimeric complexes have been prepared and found to be efficient and robust proton reduction electrocatalysts using acetic acid as the proton source. From cyclic voltammetry studies, moderate overpotentials of around 0.6 V and i c / i p values from 7.8 to 12.2 have been determined for 20 equiv of acetic acid at a scan rate of 100 mV/s. A turnover number of around 7 has been determined for each of the nickel complexes. The thiolato substituent of the complex does not appear to influence the catalysis significantly. Each of the nickel complexes acts as a robust homogeneous catalyst that could sustain continuous proton reduction for hours. On the basis of the experimental data, an electrochemical− chemical−electrochemical−chemical mechanism describing the catalytic process has been proposed as well.

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Section: ■ Conclusionmentioning

confidence: 99%