Redox-active cyclopentadienyl Ni complexes with quinoid N-heterocyclic carbene ligands for the electrocatalytic hydrogen release from chemical fuels

Luca, Oana R.; Huang, Daria L.; Takase, Michael K.; Crabtree, Robert H.

doi:10.1039/c3nj00276d

Cited by 72 publications

(42 citation statements)

References 15 publications

(17 reference statements)

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“…Electrochemical oxidation of the former is very difficult and was only done in the vapor phase. The latter can be electrochemically oxidized by using inexpensive Ni catalysts [215]. However, they are incompatible with highly acidic PEMs, and the electrochemical oxidation of these compounds in alkaline media leads to the formation of oxygenated species [216].…”

Section: Reviewmentioning

confidence: 99%

Liquid fuel cells

Soloveichik¹

2014

Beilstein J. Nanotechnol.

147

122

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SummaryThe advantages of liquid fuel cells (LFCs) over conventional hydrogen–oxygen fuel cells include a higher theoretical energy density and efficiency, a more convenient handling of the streams, and enhanced safety. This review focuses on the use of different types of organic fuels as an anode material for LFCs. An overview of the current state of the art and recent trends in the development of LFC and the challenges of their practical implementation are presented.

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Section: Reviewmentioning

confidence: 99%

Liquid fuel cells

Soloveichik¹

2014

Beilstein J. Nanotechnol.

147

122

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“…Such molecules acting as either ligands or additives have also been involved in metal/organic fragment cooperativity in electrocatalytic dehydrogenation reactions [15,16].…”

Section: Co 2 Reduction Chemistry and Intermediates In Solar Fuel Promentioning

confidence: 99%

Organic reactions for the electrochemical and photochemical production of chemical fuels from CO2 – The reduction chemistry of carboxylic acids and derivatives as bent CO2 surrogates

Luca

Fenwick

2015

Journal of Photochemistry and Photobiology B: Biology

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Available online xxxx a b s t r a c tThe present review covers organic transformations involved in the reduction of CO 2 to chemical fuels. In particular, we focus on reactions of CO 2 with organic molecules to yield carboxylic acid derivatives as a first step in CO 2 reduction reaction sequences. These biomimetic initial steps create opportunities for tandem electrochemical/chemical reductions. We draw parallels between long-standing knowledge of CO 2 reactivity from organic chemistry, organocatalysis, surface science and electrocatalysis. We point out some possible non-faradaic chemical reactions that may contribute to product distributions in the production of solar fuels from CO 2 . These reactions may be accelerated by thermal effects such as resistive heating and illumination.

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“…This particular strategy may prove amenable to initiation by electrochemical means. 90,100 Several first-row metal-and organic molecule-mediated 91,101 transformations have been implemented in the reductive chemistry of protons, [102][103][104] conversion of CO 2 22,105 to solar fuels and oxidative dehydrogenation of heterocycles, 93,106,107 transformations relevant to hybrid-fuel cell flow batteries. When deciding whether to consider electrochemistry for organic synthesis, the existence of a radical species in a known and related mechanistic pathway is usually a favorable indication.…”

Section: Organic Molecules As Light-absorbers and Redox Catalystsmentioning

confidence: 99%

Catalysis by electrons and holes: formal potential scales and preparative organic electrochemistry

et al. 2015

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The present review surveys current chemical understanding of catalysis by addition and removal of an electron. As an overarching theme of this type of catalysis, we introduce the role of redox scales in oxidation and reduction reactions as a direct analogue of pK a scales in acid/base catalysis. Each scale is helpful in determining the type of reactivity to be expected. In addition, we describe several means of generating electrons and holes via chemical reactions, plasmonic resonance, radiolytic, photochemical and electrochemical methods. We specifically draw parallels between the now well-established fields of photoredox catalysis and chemical opportunities made available by electrochemical methods. We highlight accessible potential ranges for a series of electrochemical solvents and provide a discussion on experimental design, pitfalls and some remaining challenges in preparative organic electrochemistry.

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Redox-active cyclopentadienyl Ni complexes with quinoid N-heterocyclic carbene ligands for the electrocatalytic hydrogen release from chemical fuels

Cited by 72 publications

References 15 publications

Liquid fuel cells

Liquid fuel cells

Organic reactions for the electrochemical and photochemical production of chemical fuels from CO2 – The reduction chemistry of carboxylic acids and derivatives as bent CO2 surrogates

Catalysis by electrons and holes: formal potential scales and preparative organic electrochemistry

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