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Zinc modification of Ni-Ti as efficient NiZnTi catalysts with both geometric and electronic improvements for hydrogenation of nitroaromatics

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 461-474 doi: 10.1007/s11705-021-2072-8

Abstract: nitroaromatics is an environmentally friendly technology for aniline production, and it is crucial to develop noble-metal-freesmaller Ni particle size, more oxygen vacancies, higher dispersion and greater concentration of Ni on the catalystThese findings provide a rational strategy for the development of highly active non-noble-metal hydrogenation

Keywords： bimetal strategy     oxygen vacancy     non-noble metal catalyst     hydrogenation     aromatic nitro compounds    

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Catalytic activity of noble metal nanoparticles toward hydrodechlorination: influence of catalyst electronic

Man ZHANG,Feng HE,Dongye ZHAO

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 888-896 doi: 10.1007/s11783-015-0774-1

Abstract: These metal nanoparticles were then tested for catalytic hydrodechlorination toward two classes of organochlorinatedat the Fermi level) of the metals, suggesting that adsorption of organochlorinated reactants on the metalcatalyst surfaces is the rate-limiting step for catalytic hydrodechlorination.hydrodechlorination rates of TCE and PCE correlated with the adsorption energies of their molecular (non-dissociative) adsorption on the noble metals rather than with the first C-Cl bond strength, suggesting that molecular

Keywords： catalytic hydrodechlorination     electronic structure     metal nanoparticles     reaction mechanisms    

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Hydro-pyrolysis of lignocellulosic biomass over alumina supported Platinum, Mo

Songbo He, Jeffrey Boom, Rolf van der Gaast, K. Seshan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 155-161 doi: 10.1007/s11705-017-1655-x

Abstract: The nobel metal (Pt) and non-noble metal catalysts (Mo C and WC) were compared at 500 °C and atmosphericThe carbide catalysts perform equally well as the Pt catalyst regarding to the aliphatic and aromatichydrocarbon formation (ca. 60%), showing the feasibility of using the cheap non-noble catalysts for

Keywords： bio-oil     pyrolysis     hydro-deoxygenation (HDO)     non-noble metal catalysts     hydro-treatment    

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Highly uniform Ni particles with phosphorus and adjacent defects catalyze 1,5-dinitronaphthalene hydrogenation with excellent catalytic performance

Wei Xiong, Susu Zhou, Zeyong Zhao, Fang Hao, Zhihui Cai, Pingle Liu, Hailiang Zhang, Hean Luo

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 998-1007 doi: 10.1007/s11705-020-1994-x

Abstract: activated carbon support, with defects and heteroatoms (N,P-ACs) by nitrogen and phosphorus doping to load non-noblediaminonaphthalene yield of 95.8% under the mild condition of 100 °C, which is comparable to the commercial Pd/C catalystthe interaction between the supports and the nickel metal, and resulting in highly dispersed metal particlesdesign of aromatic compound hydrogenation catalysts to significantly decrease the cost by instead using noblemetal catalysts in the industry.

Keywords： nitrogen and phosphorus doping     non-noble nickel catalyst     aromatic compounds hydrogenation    

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Exploration of the oxygen transport behavior in non-precious metal catalyst-based cathode catalyst layer

Shiqu CHEN, Silei XIANG, Zehao TAN, Huiyuan LI, Xiaohui YAN, Jiewei YIN, Shuiyun SHEN, Junliang ZHANG

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 123-133 doi: 10.1007/s11708-022-0849-1

Abstract: proton exchange membrane fuel cells (PEMFCs), in which Pt-based catalysts employed in the cathodic catalystAlthough non-precious metal catalysts (NPMCs) show appreciable activity and stability in the oxygen reductionof two types of membrane electrode structures, one containing low-Pt-based CCL and NPMC-based dummy catalyst

Keywords： proton exchange membrane fuel cells (PEMFCs)     non-precious metal catalyst (NPMC)     cathode catalyst layer    

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Hollow carbon spheres and their noble metal-free hybrids in catalysis

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1380-1407 doi: 10.1007/s11705-021-2097-z

Abstract: Herein, we overview hollow carbon sphere-based materials and their noble metal-free hybrids in catalysison controlling pore structure and surface morphology, and then heterogeneous doping as well as their metal-free/containing hybrids are presented; next, possible applications for non-noble metal/hollow carbon sphere

Keywords： hollow carbon spheres     functionalization     noble metal-free     catalysis    

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Effect of noble metal nanoparticle size on C–N bond cleavage performance in hydrodenitrogenation: a study

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1986-2000 doi: 10.1007/s11705-023-2337-5

Abstract: Breakage of the C–N bond is a structure sensitive process, and the catalyst size significantly affectsOn the active metal nanoparticle scale, the role of catalyst size in C–N bond cleavage has not been clearlyhybridized C–N bond cleavage, while the reaction rate tended to increase first and then decrease as the catalystThis analysis indicates that the variation of different sites on the catalyst is the intrinsic factora strong adsorption effect on the reactants, which will affect the catalytic performance of the Ru catalyst

Keywords： sp3/sp2-hybridized C–N bond     noble metal nanoparticle     catalytic active site     turnover    

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Shape/size controlling syntheses, properties and applications of two-dimensional noble metal nanocrystals

Baozhen An,Mingjie Li,Jialin Wang,Chaoxu Li

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 360-382 doi: 10.1007/s11705-016-1576-0

Abstract: Two dimensional (2D) nanocrystals of noble metals (e.g., Au, Ag, Pt) often have unique structural anddiscovering the fundamental mechanisms which govern the synthesis of the diverse geometries of these 2D metalreview, a brief historical survey of the intrinsic anisotropic properties and quantum size effects of 2D noblemetal nanocrystals is given and then a summary of synthetic approaches to control their shapes and sizes

Keywords： two-dimension     noble metal     nanocrystal     surface plasmon     controllable synthesis    

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Copper nanoparticles/polyaniline-derived mesoporous carbon electrocatalysts for hydrazine oxidation

Tao Zhang, Tewodros Asefa

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 329-338 doi: 10.1007/s11705-018-1741-8

Abstract:

Copper nanoparticles-decorated polyaniline-derived mesoporous carbon that can serve as noble metal-freeIts good electrocatalytic performance makes this material a promising alternative to conventional noblemetal-based catalysts (e.g., Pt) that are commonly used in HzOR-based fuel cells.

Keywords： copper nanoparticles     mesoporous carbon     noble metal-free electrocatalyst     hydrazine oxidation reaction    

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Diffusion process in enzyme–metal hybrid catalysts

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 921-929 doi: 10.1007/s11705-022-2144-4

Abstract: Enzyme–metal hybrid catalysts bridge the gap between enzymatic and heterogeneous catalysis, which isPrevious studies have demonstrated that the enzyme–metal hybrid catalysts exhibited considerably highercatalytic efficiency in cascade reactions, compared with that of the combination of separated enzyme and metalHere, we investigated the diffusion process in enzyme–metal hybrid catalysts using Pd/lipase-Pluronicactive sites, which provides a theoretical foundation for the rational design of enzyme–metal hybrid

Keywords： enzyme–metal hybrid catalyst     internal diffusion     proximity effect     kinetic model    

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Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation

Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 948-955 doi: 10.1007/s11705-020-1920-2

Abstract: Cobalt hydroxide has been emerging as a promising catalyst for the electrocatalytic oxidation reactions

Keywords： electrocatalytic oxidation     cobalt hydroxide     nanosheet     water     glucose    

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Micro-sized hydrothermal carbon supporting metal oxide nanoparticles as efficient catalyst for mono-dehydration

Cheng PAN, Chao FAN, Wanqin WANG, Teng LONG, Benhua HUANG, Donghua ZHANG, Peigen SU, Aqun ZHENG, Yang SUN

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 822-839 doi: 10.1007/s11708-020-0677-0

Abstract: To improve the mono-dehydration efficiency, a series of metal-containing hydrothermal carbonaceous materials(HTC) are prepared as catalyst in this work.

Keywords： hydrothermal carbon     morphology     catalyst     mono-dehydration     sugar alcohol    

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Fischer-Tropsch synthesis by reduced graphene oxide nanosheets supported cobalt catalysts: Role of support and metalnanoparticle size on catalyst activity and products selectivity

Hasan Oliaei Torshizi, Ali Nakhaei Pour, Ali Mohammadi, Yahya Zamani, Seyed Mehdi Kamali Shahri

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 299-309 doi: 10.1007/s11705-020-1925-x

Abstract: activity results showed that the cobalt-time yield and turnover frequency passed from a maximum for catalyst

Keywords： cobalt catalyst     cobalt particle size     Fischer-Tropsch synthesis     reduced graphene oxide     supported catalyst    

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Technology of cleaning and protecting corrosion for metal structures in large-scale non-grid-connected

Wu Hao,Zou Yizhe and Bai Ke

Strategic Study of CAE 2015, Volume 17, Issue 3,   Pages 41-44

Abstract:

The equipments of large-scale non-grid-connected wind power should be cleaned and properly treatedIt is necessary， especially for metal structures.In this paper， the methods of cleaning， rinsing and treating metal parts would be studied.

Keywords： large-scale non-grid-connected wind power； metal； clean； protect corrosion； pretreatment    

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Recent advances on metal-free graphene-based catalysts for the production of industrial chemicals

Zhiyong Wang, Yuan Pu, Dan Wang, Jie-Xin Wang, Jian-Feng Chen

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 855-866 doi: 10.1007/s11705-018-1722-y

Abstract: With the development of carbon catalysts, graphene-based metal-free catalysts have drawn increasing attentionIn recent years, the catalytic activities of metal-free catalysts have significantly improved and theyhave become promising alternatives to traditional metal-based catalysts.The use of metal-free catalysts greatly improves the sustainability of chemical processes.In view of this, the recent progress in the preparation of graphene-based metal-free catalysts along

Keywords： graphene-based materials     metal-free catalyst     industrial chemical productions     catalytic reaction    

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Title Author Date Type Operation

Zinc modification of Ni-Ti as efficient NiZnTi catalysts with both geometric and electronic improvements for hydrogenation of nitroaromatics

Journal Article

Catalytic activity of noble metal nanoparticles toward hydrodechlorination: influence of catalyst electronic

Man ZHANG,Feng HE,Dongye ZHAO

Journal Article

Hydro-pyrolysis of lignocellulosic biomass over alumina supported Platinum, Mo

Songbo He, Jeffrey Boom, Rolf van der Gaast, K. Seshan

Journal Article

Highly uniform Ni particles with phosphorus and adjacent defects catalyze 1,5-dinitronaphthalene hydrogenation with excellent catalytic performance

Wei Xiong, Susu Zhou, Zeyong Zhao, Fang Hao, Zhihui Cai, Pingle Liu, Hailiang Zhang, Hean Luo

Journal Article

Exploration of the oxygen transport behavior in non-precious metal catalyst-based cathode catalyst layer

Shiqu CHEN, Silei XIANG, Zehao TAN, Huiyuan LI, Xiaohui YAN, Jiewei YIN, Shuiyun SHEN, Junliang ZHANG

Journal Article

Hollow carbon spheres and their noble metal-free hybrids in catalysis

Journal Article

Effect of noble metal nanoparticle size on C–N bond cleavage performance in hydrodenitrogenation: a study

Journal Article

Shape/size controlling syntheses, properties and applications of two-dimensional noble metal nanocrystals

Baozhen An,Mingjie Li,Jialin Wang,Chaoxu Li

Journal Article

Copper nanoparticles/polyaniline-derived mesoporous carbon electrocatalysts for hydrazine oxidation

Tao Zhang, Tewodros Asefa

Journal Article

Diffusion process in enzyme–metal hybrid catalysts

Journal Article

Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation

Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan

Journal Article

Micro-sized hydrothermal carbon supporting metal oxide nanoparticles as efficient catalyst for mono-dehydration

Cheng PAN, Chao FAN, Wanqin WANG, Teng LONG, Benhua HUANG, Donghua ZHANG, Peigen SU, Aqun ZHENG, Yang SUN

Journal Article

Fischer-Tropsch synthesis by reduced graphene oxide nanosheets supported cobalt catalysts: Role of support and metalnanoparticle size on catalyst activity and products selectivity

Hasan Oliaei Torshizi, Ali Nakhaei Pour, Ali Mohammadi, Yahya Zamani, Seyed Mehdi Kamali Shahri

Journal Article

Technology of cleaning and protecting corrosion for metal structures in large-scale non-grid-connected

Wu Hao,Zou Yizhe and Bai Ke

Journal Article

Recent advances on metal-free graphene-based catalysts for the production of industrial chemicals

Zhiyong Wang, Yuan Pu, Dan Wang, Jie-Xin Wang, Jian-Feng Chen

Journal Article