Tianyin Deng

National Institute of Clean and Low-Carbon Energy

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Haichao Liu

Peking University

Ping Miao

Second Affiliated Hospital of Guangzhou Medical University

Guangli He

National Institute of Clean and Low-Carbon Energy

Yanying Liu

Institute of Chemistry

Kong Deting

National Institute of Clean and Low-Carbon Energy

Jingyun Chen

State Ethnic Affairs Commission

Hui Wei

National Institute of Clean and Low-Carbon Energy

Zhihua Han

National Institute of Clean and Low-Carbon Energy

Guo Xiaofen

First Hospital of Shanxi Medical University

Aibing Chen

Hebei University of Science and Technology

Cooperative Institutions

National Institute of Clean and Low-Carbon Energy

Tsinghua University

Peking University

Beijing National Laboratory for Molecular Sciences

Chinese Academy of Sciences

Beijing University of Chemical Technology

China Shenhua Energy (China)

State Key Laboratory for Structural Chemistry of Unstable and Stable Species

Hebei University of Science and Technology

China National Nuclear Corporation

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Research Progress of Oxygen Evolution Reaction Catalysts for Electrochemical Water Splitting

ChemSusChem (2021)

Yanying Liu Daojin Zhou Tianyin Deng Guangli He Aibing Chen

Abstract The development of a low‐cost and high‐efficiency oxygen evolution reaction (OER) catalyst is essential to meet the future industrial demand for hydrogen production by electrochemical water splitting. Given the limited reserves of noble metals and many competitive applications in environmental protection, new energy, and chemical industries, many studies have focused on exploring new and efficient non‐noble metal catalytic systems, improving the understanding of the OER mechanism of non‐noble metal surfaces, and designing electrocatalysts with higher activity than traditional noble metals. This Review summarizes the research progress of anode OER catalysts for hydrogen production by electrochemical water splitting in recent years, for noble metal and non‐noble metal catalysts, where non‐noble metal catalysts are highlighted. The categories are as follows: (1) Transition metal‐based compounds, including transition metal‐based oxides, transition metal‐based layered hydroxides, and transition metal‐based sulfides, phosphides, selenides, borides, carbides, and nitrides. Transition metal‐based oxides can also be divided into perovskite, spinel, amorphous, rock‐salt‐type, and lithium oxides according to their different structures. (2) Carbonaceous materials and their composite materials with transition metals. (3) Transition metal‐based metal‐organic frameworks and their derivatives. Finally, the challenges and future development of the OER process of water splitting are discussed.

Oxygen evolution

Noble metal

10.1002/cssc.202101898

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Efficient oxygen evolution on spinel MFe2O4 (M=Zn and Ni) electrocatalysts

Research Square (Research Square) (2023)

Yanying Liu Tianyin Deng Guangli He Zhihua Han Jingyun Chen

Abstract Electrochemical water splitting for the oxygen evolution reaction (OER) requires highly active, long-durable and cost-effective catalysts to meet the needs of large-scale hydrogen production in the future. Herein, we studied the OER performance of spinel MFe 2 O 4 (M=Zn and Ni) and NiO x . These metal oxides showed markedly different activities, which were closely related to their charge-transfer resistance and electrochemical surface area, attributing to the amount of oxygen vacancies. Particularly, ZnFe 2 O 4 exhibits superior OER activity with an overpotential of 318 mV at the current density of 10 mA cm -2 (η 10 ) and a Tafel slope of 50 mV dec −1 . Furthermore, ZnFe 2 O 4 also presents outstanding long-term stability for 100 h with negligible decay even at a high current density of 800 mA cm -2 . This work provides a fundamental insights into the oxygen vacancy and spinel structure to help for the design of OER catalyst toward highly efficient water splitting.

Overpotential

Oxygen evolution

Non-blocking I/O

10.21203/rs.3.rs-2704435/v1

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担持セシウム触媒上でのフェノールとメタノールの混合物のアニソール【JST・京大機械翻訳】

Ranliao Huaxue Xuebao (2016)

Tianyin Deng Gao Lijuan Linge Ma Chen Jingyun Li Jing

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NI/ZNO-AL_2O_3触媒上の硫黄の硫黄含有量を測定した。【JST・京大機械翻訳】

Lijuan Gao Tianyin Deng Kong Deting Cui Xin Guo Xiaofen

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Cellulose conversion to polyols on supported Ru catalysts in aqueous basic solution

Science China Chemistry (2010)

Tianyin Deng Jiying Sun Haichao Liu

10.1007/s11426-010-4002-3

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Insights into the Active Acid Sites for Isosorbide Synthesis from Renewable Sorbitol and Cellulose on Solid Acid Catalysts

Chemical Research in Chinese Universities (2022)

Tianyin Deng Xiaohui He Haichao Liu

Isosorbide

Sorbitan

10.1007/s40242-022-1499-x

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Efficient oxygen evolution on spinel MFe2O4 (M = Zn and Ni) electrocatalysts

Ionics (2023)

Yanying Liu Tianyin Deng Guangli He Zhihua Han Jingyun Chen

Oxygen evolution

Overpotential

10.1007/s11581-023-05022-x

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Direct conversion of cellulose into acetol on bimetallic Ni-SnOx/Al2O3 catalysts

Journal of Molecular Catalysis A Chemical (2013)

Tianyin Deng Haichao Liu

Bimetallic strip

Bond cleavage

10.1016/j.molcata.2013.11.016

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Citations (55)

REMOVAL OF SULFUR FROM PHENOL OIL USING Ni/ZnO-Al2O3CATALYST

Lijuan Gao Tianyin Deng Kong Deting Xin Cui Guo Xiaofen

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Promoting effect of SnO_xon selective conversion of cellulose to polyols over bimetallic Pt–SnO_x/Al₂O₃catalysts

Green Chemistry (2012)

Tianyin Deng Haichao Liu

Cellulose is the most abundant source of biomass in nature, and its selective conversion into polyols provides a viable route towards the sustainable synthesis of fuels and chemicals. Here, we report the marked change in the distribution of polyols in the cellulose reaction with the Sn/Pt atomic ratios in a wide range of 0.1–3.8 on the SnOx-modified Pt/Al2O3 catalysts. Such a change was found to be closely related to the effects of the Sn/Pt ratios on the activity for the hydrogenation of glucose and other C6 sugar intermediates involved in the cellulose reaction as well as to the notable activity of the segregated SnOx species for the selective degradation of the sugar intermediates on the Pt–SnOx/Al2O3 catalysts. At lower Sn/Pt ratios of 0.1–1.0, there existed electron transfer from the SnOx species to the Pt sites and strong interaction between the catalysts, as characterized by temperature-programmed reduction in H2 and infrared spectroscopy for CO adsorption, which led to their superior hydrogenation activity (per exposed Pt atom), and in-parallel higher selectivity to hexitols (e.g. sorbitol) in the cellulose reaction, as compared to Pt/Al2O3. The hexitol selectivity reached the greatest value of 82.7% at the Sn/Pt ratio of 0.5, nearly two times that of Pt/Al2O3 at similar cellulose conversions (∼20%). As the Sn/Pt ratios exceeded 1.5, the Pt–SnOx/Al2O3 catalysts exhibited inferior hydrogenation activity (per exposed Pt atom), due to the formation of the crystalline Pt–Sn alloy, which led to the preferential conversion of cellulose to C2 and especially C3 products (e.g. acetol) over hexitols, most likely involving the isomerization of glucose to fructose and retro-aldol condensation of these sugars on the segregated SnOx species, apparently in the form of Sn(OH)2. These findings clearly demonstrate the feasibility for rational control of the cellulose conversion into the target polyols (e.g. acetol or propylene glycol), for example, by the design of efficient catalysts based on the catalytic functions of the SnOx species with tunable hydrogenation activity.

Bimetallic strip

10.1039/c2gc36088h

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Citations (95)