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Oxygen reduction electrocatalysis: From conventional to single-atomic platinum-based catalysts for proton

Frontiers in Energy 2024, Volume 18, Issue 2,   Pages 206-222 doi: 10.1007/s11708-023-0907-3

Abstract: Platinum (Pt)-based materials are still the most efficient and practical catalysts to drive the sluggish kinetics of cathodic oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs). However, their catalysis and stability performance still need to be further improved in terms of corrosion of both carbon support and Pt catalyst particles as well as Pt loading reduction. Based on the developed synthetic strategies of alloying/nanostructuring Pt particles and modifying/innovating supports in developing conventional Pt-based catalysts, Pt single-atom catalysts (Pt SACs) as the recently burgeoning hot materials with a potential to achieve the maximum utilization of Pt are comprehensively reviewed in this paper. The design thoughts and synthesis of various isolated, alloyed, and nanoparticle-contained Pt SACs are summarized. The single-atomic Pt coordinating with non-metals and alloying with metals as well as the metal-support interactions of Pt single-atoms with carbon/non-carbon supports are emphasized in terms of the ORR activity and stability of the catalysts. To advance further research and development of Pt SACs for viable implementation in PEMFCs, various technical challenges and several potential research directions are outlined.

Keywords： oxygen reduction electrocatalysis     Pt single-atom catalysts     conventional Pt-based catalysts     design    

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Application of electrode materials and catalysts in electrocatalytic treatment of dye wastewater

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1427-1443 doi: 10.1007/s11705-021-2108-0

Abstract: The dye industry produces a large amount of hazardous wastewater every day worldwide, which brings potential threaten to the global environment. As an excellent method for removal of water chroma and chemical oxygen demand, electrocatalytic methods are currently widely used in the treatment of dye wastewater. The selection and preparation of electrode materials and electrocatalysts play an important role on the electrocatalytic treatment. The aim of this paper is to introduce the most excellent high-efficiency electrode materials and electrocatalysts in the field of dye wastewater treatment. Many electrode materials such as metal electrode materials, boron-doped diamond anode materials and three-dimensional electrode are introduced in detail. Besides, the mechanism of electrocatalytic oxidation is summarized. The composite treatment of active electrode and electrocatalyst are extensively examined. Finally, the progress of photo-assisted electrocatalytic methods of dye wastewater and the catalysts are described.

Keywords： electrocatalytic oxidation     electrode     electrocatalysis     dye wastewater    

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Synthesis of cobalt vanadium nanomaterials for efficient electrocatalysis of oxygen evolution

Meifeng Hao, Mingshu Xiao, Lihong Qian, Yuqing Miao

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 409-416 doi: 10.1007/s11705-017-1689-0

Abstract: These Co3(VO4)2 catalysts exhibit OER electrocatalysis, among which

Keywords： Co3(VO4)2     oxygen evolution reaction     electrocatalyst     water splitting    

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Recent advances in morphology control of platinum catalysts toward oxygen reduction reaction

Frontiers in Energy 2024, Volume 18, Issue 3,   Pages 330-355 doi: 10.1007/s11708-024-0929-5

Abstract: Exploring advanced platinum (Pt)-based electrocatalysts is vital for the widespread implementation of proton exchange membrane fuel cells (PEMFCs). Morphology control represents an effective strategy to optimize the behavior of Pt catalysts. In this work, an attempt is made to comprehensively review the effect of morphology control on the catalytic behavior of catalysts in the oxygen reduction reaction (ORR). First, the fundamental physicochemical changes behind morphology control, including exposing more active sites, generating appropriate lattice strains, and forming different crystalline surfaces, are highlighted. Then, recently developed strategies for tuning the morphologies of electrocatalysts, including core-shell structures, hollow structures, nanocages, nanowires, and nanosheets, are comprehensively summarized. Finally, an outlook on the future development of morphology control of Pt catalysts is presented, including rational design strategies, advanced in situ characterization techniques, novel artificial intelligence, and mechanical learning. This work is intended to provide valuable insights into designing the morphology and technological innovation of efficient redox electrocatalysts in fuel cells.

Keywords： morphology     platinum catalysts     electrocatalysis     ORR     PEMFC    

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The CatMath: an online predictive platform for thermal + electrocatalysis

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2156-2160 doi: 10.1007/s11705-023-2371-3

Abstract: CatMath—an online platform for generating a variety of common and industrially important thermal + electrocatalysis

Keywords： CatMath     catalysis     volcano activity plots     Surface Pourbaix Diagrams     online platform    

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Revisiting solar hydrogen production through photovoltaic-electrocatalytic and photoelectrochemical water splitting

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 596-599 doi: 10.1007/s11708-021-0745-0

Abstract: Photoelectrochemical (PEC) water splitting is regarded as a promising way for solar hydrogen production, while the fast development of photovoltaic-electrolysis (PV-EC) has pushed PEC research into an embarrassed situation. In this paper, a comparison of PEC and PV-EC in terms of efficiency, cost, and stability is conducted and briefly discussed. It is suggested that the PEC should target on high solar-to-hydrogen efficiency based on cheap semiconductors in order to maintain its role in the technological race of sustainable hydrogen production.

Keywords： hydrogen production     photovoltaic     electrocatalysis     photoelectrocatalysis     water splitting    

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Pt–C interactions in carbon-supported Pt-based electrocatalysts

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1677-1697 doi: 10.1007/s11705-023-2300-5

Abstract: Carbon-supported Pt-based materials are highly promising electrocatalysts. The carbon support plays an important role in the Pt-based catalysts by remarkably influencing the growth, particle size, morphology, dispersion, electronic structure, physiochemical property and function of Pt. This review summarizes recent progress made in the development of carbon-supported Pt-based catalysts, with special emphasis being given to how activity and stability enhancements are related to Pt–C interactions in various carbon supports, including porous carbon, heteroatom doped carbon, carbon-based binary support, and their corresponding electrocatalytic applications. Finally, the current challenges and future prospects in the development of carbon-supported Pt-based catalysts are discussed.

Keywords： Pt–C interactions     Pt-based materials     carbon support     electrocatalysis    

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Metal-free, carbon-based catalysts for oxygen reduction reactions

Zhiyi Wu,Zafar Iqbal,Xianqin Wang

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 280-294 doi: 10.1007/s11705-015-1524-4

Abstract: Developing metal-free, carbon-based catalysts to replace platinum-based catalysts for oxygen reduction reactions (ORRs) is an emerging area of research. In recent years, different carbon structures including carbon doped with IIIA-VIIA heteroatoms (C−M site-based, where M represents the doped heteroatom) and polynitrogen (PN) compounds encapsulated in carbon nanotubes (CNTs) (N−N site-based) have been synthesized. Compared to metallic catalysts, these materials are highly active, stable, inexpensive, and environmentally friendly. This review discusses the development of these materials, their ORR performances and the mechanisms for how the incorporation of heteroatoms enhances the ORR activity. Strategies for tailoring the structures of the carbon substrates to improve ORR performance are also discussed. Future studies in this area will need to include optimizing synthetic strategies to control the type, amount and distribution of the incorporated heteroatoms, as well as better understanding the ORR mechanisms in these catalysts.

Keywords： oxygen reduction reaction     electrocatalysis     metal-free     carbon-based     polynitrogen    

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High-entropy catalysts for electrochemical water-electrolysis of hydrogen evolution and oxygen evolution reactions

Frontiers in Energy 2024, Volume 18, Issue 3,   Pages 265-290 doi: 10.1007/s11708-023-0892-6

Abstract: water-electrolysis in recent years is emphatically discussed, and the mechanisms of improving the performance of electrocatalysis

Keywords： high-entropy     electrocatalysis     synthetic methods     water-electrolysis     hydrogen and oxygen evolutions    

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A review of Pt-based electrocatalysts for oxygen reduction reaction

Changlin ZHANG, Xiaochen SHEN, Yanbo PAN, Zhenmeng PENG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 268-285 doi: 10.1007/s11708-017-0466-6

Abstract: Development of active and durable electrocatalyst for oxygen reduction reaction (ORR) remains one challenge for the polymer electrolyte membrane fuel cell (PEMFC) technology. Pt-based nanomaterials show the greatest promise as electrocatalyst for this reaction among all current catalytic structures. This review focuses on Pt-based ORR catalyst material development and covers the past achievements, current research status and perspectives in this research field. In particular, several important categories of Pt-based catalytic structures and the research advances are summarized. Key factors affecting the catalyst activity and durability are discussed. An outlook of future research direction of ORR catalyst research is provided.

Keywords： oxygen reduction reaction (ORR)     electrocatalysis     platinum catalyst     activity     durability    

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NiFeRuOx nanosheets on Ni foam as an electrocatalyst for efficient overall alkaline seawater splitting

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1698-1706 doi: 10.1007/s11705-023-2334-8

Abstract: The electrocatalyst NiFeRuOx/NF, comprised of NiFeRuOx nanosheets grown on Ni foam, was synthesized using a hydrothermal process followed by thermal annealing. NiFeRuOx/NF displays high electrocatalytic activity and stability for overall alkaline seawater splitting: 98 mV@ 10 mA∙cm−2 in hydrogen evolution reaction, 318 mV@ 50 mA∙cm−2 in oxygen evolution reaction, and a cell voltage of 1.53 V@ 10 mA∙cm−2, as well as 20 h of durability. A solar-driven system containing such a bifunctional NiFeRuOx/NF has an almost 100% Faradaic efficiency. The NiFeRuOx coating around Ni foam is an anti-corrosion layer and also a critical factor for enhancement of bifunctional performances.

Keywords： NiFeRuOx nanosheets     Ni foam     electrocatalysis     overall seawater splitting     solar-driven    

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Self-supported transition metal phosphide based electrodes as high-efficient water splitting cathodes

Yan Zhang, Jian Xiao, Qiying Lv, Shuai Wang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 494-508 doi: 10.1007/s11705-018-1732-9

Abstract:

Electrolytic water splitting has been considered as a promising technology to produce highly pure H2 by using electrical power produced from wind, solar energy or other fitful renewable energy resources. Combining novel self-supporting structure and high-performance transition metal phosphides (TMP) shows substantial promise for practical application in water splitting. In this review, we try to provide a comprehensive analysis of the design and fabrication of various self-supported TMP electrodes for hydrogen evolution reaction, which are divided into three categories: catalysts growing on carbon-based substrates, catalysts growing on metal-based substrates and freestanding catalyst films. The material structures together with catalytic performances of self-supported electrodes are presented and discussed. We also show the specific strategies to further improve the catalytic performance by elemental doping or incorporation of nanocarbons. The simple and one-step methods to fabricate self-supported TMP electrodes are also highlighted. Finally, the challenges and perspectives for self-supported TMP electrodes in water splitting application are briefly discussed.

Keywords： transition metal phosphide     self-supported electrode     electrocatalysis     hydrogen evolution reaction    

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Catalyst Engineering for Electrochemical Energy Conversion from Water to Water: Water Electrolysis and the Hydrogen Fuel Cell Review

Lishan Peng, Zidong Wei

Engineering 2020, Volume 6, Issue 6,   Pages 653-679 doi: 10.1016/j.eng.2019.07.028

Abstract:

In the context of the current serious problems related to energy demand and climate change, substantial progress has been made in developing a sustainable energy system. Electrochemical hydrogen–water conversion is an ideal energy system that can produce fuels via sustainable, fossil-free pathways. However, the energy conversion efficiency of two functioning technologies in this energy system—namely, water electrolysis and the fuel cell—still has great scope for improvement. This review analyzes the energy dissipation of water electrolysis and the fuel cell in the hydrogen–water energy system and discusses the key barriers in the hydrogen- and oxygen-involving reactions that occur on the catalyst surface. By means of the scaling relations between reactive intermediates and their apparent catalytic performance, this article summarizes the frameworks of the catalytic activity trends, providing insights into the design of highly active electrocatalysts for the involved reactions. A series of structural engineering methodologies (including nanoarchitecture, facet engineering, polymorph engineering, amorphization, defect engineering, element doping, interface engineering, and alloying) and their applications based on catalytic performance are then introduced, with an emphasis on the rational guidance from previous theoretical and experimental studies. The key scientific problems in the electrochemical hydrogen–water conversion system are outlined, and future directions are proposed for developing advanced catalysts for technologies with high energy-conversion efficiency.

Keywords： Renewable energy system     Hydrogen–water energy conversion     Electrocatalysis     Electrocatalyst engineering    

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Bimetallic Oxyhydroxide as a High-Performance Water Oxidation Electrocatalyst under Industry-Relevant Conditions Article

Jiaxin Yuan, Xiaodi Cheng, Chaojun Lei, Bin Yang, Zhongjian Li, Kun Luo, K.H. Koko Lam, Lecheng Lei, Yang Hou, Kostya Ken Ostrikov

Engineering 2021, Volume 7, Issue 9,   Pages 1306-1312 doi: 10.1016/j.eng.2020.01.018

Abstract:

Developing high-performing oxygen evolution reaction (OER) electrocatalysts under high-current operation conditions is critical for future commercial applications of alkaline water electrolysis for clean energy generation. Herein, we prepared a three-dimensional (3D) bimetallic oxyhydroxide hybrid grown on a Ni foam (NiFeOOH/NF) prepared by immersing Ni foam (NF) into Fe(NO3)3 solution. In this unique 3D structure, the NiFeOOH/NF hybrid was composed of crystalline Ni(OH)2 and amorphous FeOOH evenly grown on the NF surface. As a bimetallic oxyhydroxide electrocatalyst, the NiFeOOH/NF hybrid exhibited excellent catalytic activity, surpassing not only the other reported Ni–Fe based electrocatalysts, but also the commercial Ir/C catalyst. In situ electrochemical Raman spectroscopy demonstrated the active FeOOH and NiOOH phases involved in the OER process. Profiting from the synergy of Fe and Ni catalytic sites, the NiFeOOH/NF hybrid delivered an outstanding OER performance under challenging industrial conditions in a 10.0 mol∙L-1 KOH electrolyte at 80 ºC, requiring potentials as small as 1.47 and 1.51 V to achieve the super-high catalytic current densities of 100 and 500 mA∙cm-2, respectively.

Keywords： Bimetallic oxyhydroxide     3D hybrid     electrocatalysis     oxygen evolution reaction     high current density    

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国际电化学学会第70届年会（70th Annual Meeting of the International Society of Electrochemistry）

Conference Date: 4 Aug 2019

Conference Place: 南非/德班

Administered by: 国际电化学学会（ISE）

Title Author Date Type Operation

Oxygen reduction electrocatalysis: From conventional to single-atomic platinum-based catalysts for proton

Journal Article

Application of electrode materials and catalysts in electrocatalytic treatment of dye wastewater

Journal Article

Synthesis of cobalt vanadium nanomaterials for efficient electrocatalysis of oxygen evolution

Meifeng Hao, Mingshu Xiao, Lihong Qian, Yuqing Miao

Journal Article

Recent advances in morphology control of platinum catalysts toward oxygen reduction reaction

Journal Article

The CatMath: an online predictive platform for thermal + electrocatalysis

Journal Article

Revisiting solar hydrogen production through photovoltaic-electrocatalytic and photoelectrochemical water splitting

Journal Article

Pt–C interactions in carbon-supported Pt-based electrocatalysts

Journal Article

Metal-free, carbon-based catalysts for oxygen reduction reactions

Zhiyi Wu,Zafar Iqbal,Xianqin Wang

Journal Article

High-entropy catalysts for electrochemical water-electrolysis of hydrogen evolution and oxygen evolution reactions

Journal Article

A review of Pt-based electrocatalysts for oxygen reduction reaction

Changlin ZHANG, Xiaochen SHEN, Yanbo PAN, Zhenmeng PENG

Journal Article

NiFeRuOx nanosheets on Ni foam as an electrocatalyst for efficient overall alkaline seawater splitting

Journal Article

Self-supported transition metal phosphide based electrodes as high-efficient water splitting cathodes

Yan Zhang, Jian Xiao, Qiying Lv, Shuai Wang

Journal Article

Catalyst Engineering for Electrochemical Energy Conversion from Water to Water: Water Electrolysis and the Hydrogen Fuel Cell

Lishan Peng, Zidong Wei

Journal Article

Bimetallic Oxyhydroxide as a High-Performance Water Oxidation Electrocatalyst under Industry-Relevant Conditions

Jiaxin Yuan, Xiaodi Cheng, Chaojun Lei, Bin Yang, Zhongjian Li, Kun Luo, K.H. Koko Lam, Lecheng Lei, Yang Hou, Kostya Ken Ostrikov

Journal Article

国际电化学学会第70届年会（70th Annual Meeting of the International Society of Electrochemistry）

4 Aug 2019

Conference Information