Advanced Pt-based electrocatalysts for the hydrogen evolution reaction in alkaline medium

Ma, Wei; Zhang, Xueyuan; Li, Wenya; Jiao, Menggai; Zhang, Lili; Ma, Renzhi; Zhou, Zhen

doi:10.1039/d3nr01940c

Cited by 37 publications

(21 citation statements)

References 118 publications

(153 reference statements)

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“…Platinum-based noble metals are currently found to be one of the most excellent catalysts in electrocatalytic hydrogen evolution reactions. 9–11 But due to their high cost, scarce content, and non-renewability, these noble metal-based catalysts cannot be widely used. It is urgent to develop and utilize inexpensive and efficient non-noble metal-based catalysts.…”

Section: Introductionmentioning

confidence: 99%

Enhanced electrocatalytic hydrogen evolution from nitrogen plasma-tailored MoS₂ nanostructures

Li,

Wan,

Yao

et al. 2023

Phys. Chem. Chem. Phys.

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Section: Introductionmentioning

confidence: 99%

Enhanced electrocatalytic hydrogen evolution from nitrogen plasma-tailored MoS₂ nanostructures

Li,

Wan,

Yao

et al. 2023

Phys. Chem. Chem. Phys.

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“…In addition, the OER mechanism of the Fe–Mn–ZnO nanowire–nanosheet catalyst can be explained in four steps in the following eqs – to generate the oxygen from the water molecules normalA + O normalH − → normalA − O H + e − goodbreak0em1em⁣ f irst adsorption A − OH + O normalH − → A − O + normalH 2 O + e − goodbreak0em1em⁣ b ond breaking A − O + O normalH − → A − OOH + e − goodbreak0em1em⁣ s econd adsorption A − OOH + O normalH − → normalA + O 2 false↑ prefix+ H 2 normalO + e − goodbreak0em1em⁣ …”

Section: Resultsmentioning

confidence: 99%

Band Energy Modulation in an Fe–Mn–ZnO Nanowire–Nanosheet Catalyst for Efficient Overall Water Splitting

Mishra,

Choi,

Ryu

et al. 2024

Energy Fuels

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Here, we studied a simple, scalable, and in situ hydrothermal method to prepare an Fe−Mn-doped ZnO nanowire−nanosheet on a three-dimensional (3D) Ni-foam substrate for electrocatalytic overall water splitting. Attractively, the doping of Fe and Mn in ZnO plays a significant role in mobilizing the electron from Fe and Mn toward ZnO in the Fe−Mn-doped ZnO nanowire−nanosheet due to different vacuum levels of Fe, Mn, and ZnO, facilitating the development of more active sites on the surface of the catalyst, which plays a crucial role in improving the catalytic performances during overall water splitting. Consequently, the Fe−Mn-doped ZnO nanowire−nanosheet shows a lowermost overpotential of 230 mV and a lowermost Tafel slope of 115.2 mV dec −1 during the hydrogen evolution reaction (HER) and 248 mV overpotential and a short Tafel slope of 109.1 mV dec −1 during the oxygen evolution reaction (OER) in a 1.0 M KOH electrolyte. Besides, the Fe−Mn-doped ZnO nanowire−nanosheet depicts low charge transfer and series resistances of 3.7 and 0.41 Ω during the HER and 0.36 and 1.66 Ω during the OER, respectively. Also, it elucidates outstanding durability at −10 mA cm −2 for 12 h (HER) and 10 mA cm −2 for 12 h (OER) using chronopotentiometry and 1000 cycles. In addition, the Fe−Mn−ZnO||Fe− Mn−ZnO nanowire−nanosheet cell shows a lower potential of 1.74 V and outstanding stability over 24 h to deliver 10 mA cm −2 in electrocatalytic overall water splitting. Besides, the staircase stability of the Fe−Mn−ZnO||Fe−Mn−ZnO nanowire−nanosheet cell also suggests outstanding stability over 8.2 h at different current densities. Captivatingly, the concept of energy band modulation in the bimetallic doped Fe−Mn−ZnO nanowire−nanosheet catalyst is envisaged to explore insights into the mechanisms of the evolution of hydrogen and oxygen.

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“…4–6 Therefore, the HER is a two-electron transfer process with one catalytic intermediate and offers potential to produce hydrogen. 7,8 In order to reduce the excess potential needed to drive the hydrogen evolution reaction, active catalysts are required. 9,10…”

Section: Introductionmentioning

confidence: 99%

An iron phosphate hydroxide hydrate electrocatalyst: synergistic effects of Fe²⁺ and Fe³⁺ for enhanced hydrogen evolution reaction stability

Reddy,

Raman,

Viswanathan

et al. 2024

Sustainable Energy Fuels

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Advanced Pt-based electrocatalysts for the hydrogen evolution reaction in alkaline medium

Abstract: Water electro-splitting driven by renewable energy is significant in energy conversion for the development of hydrogen energy sources. Hydrogen evolution reaction (HER) directly generating hydrogen products occurs in the cathode...

Cited by 37 publications

References 118 publications

Enhanced electrocatalytic hydrogen evolution from nitrogen plasma-tailored MoS₂ nanostructures

Enhanced electrocatalytic hydrogen evolution from nitrogen plasma-tailored MoS₂ nanostructures

Band Energy Modulation in an Fe–Mn–ZnO Nanowire–Nanosheet Catalyst for Efficient Overall Water Splitting

An iron phosphate hydroxide hydrate electrocatalyst: synergistic effects of Fe²⁺ and Fe³⁺ for enhanced hydrogen evolution reaction stability

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Advanced Pt-based electrocatalysts for the hydrogen evolution reaction in alkaline medium

Abstract: Water electro-splitting driven by renewable energy is significant in energy conversion for the development of hydrogen energy sources. Hydrogen evolution reaction (HER) directly generating hydrogen products occurs in the cathode...

Cited by 37 publications

References 118 publications

Enhanced electrocatalytic hydrogen evolution from nitrogen plasma-tailored MoS2 nanostructures

Enhanced electrocatalytic hydrogen evolution from nitrogen plasma-tailored MoS2 nanostructures

Band Energy Modulation in an Fe–Mn–ZnO Nanowire–Nanosheet Catalyst for Efficient Overall Water Splitting

An iron phosphate hydroxide hydrate electrocatalyst: synergistic effects of Fe2+ and Fe3+ for enhanced hydrogen evolution reaction stability

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Product

Resources

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Enhanced electrocatalytic hydrogen evolution from nitrogen plasma-tailored MoS₂ nanostructures

Enhanced electrocatalytic hydrogen evolution from nitrogen plasma-tailored MoS₂ nanostructures

An iron phosphate hydroxide hydrate electrocatalyst: synergistic effects of Fe²⁺ and Fe³⁺ for enhanced hydrogen evolution reaction stability