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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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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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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

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

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Nitrogen-Doped Graphene Foam as a Metal-Free Catalyst for Reduction Reactions under a High Gravity Field Article

Zhiyong Wang, Zhijian Zhao, Jesse Baucom, Dan Wang, Liming Dai, Jian-Feng Chen

Engineering 2020, Volume 6, Issue 6,   Pages 680-687 doi: 10.1016/j.eng.2019.12.018

Abstract:

Herein, we report on the effect of a high gravity field on metal-free catalytic reduction, takinghighgravity rotating tube reactor packed with three-dimensional (3D) nitrogen-doped graphene foam (NGF) as a metal-freeThe apparent rate constant (kapp) of the metal-free catalytic reduction of NB inThe structure of the 3D metal-free catalysts was stable during the reaction process under a high gravitythe potential to use a high-gravity rotating packed tube reactor for the process intensification of metal-free

Keywords： High-gravity technology     Process intensification     Metal-free catalysts     Carbon nanomaterials     Catalytic    

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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-freegood electrocatalytic performance makes this material a promising alternative to conventional noble metal-based

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

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Current challenge and perspective of PGM-free cathode catalysts for PEM fuel cells

Gang WU

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 286-298 doi: 10.1007/s11708-017-0477-3

Abstract: To significantly reduce the cost of proton exchange membrane fuel cells, platinum-group metal (PGM)-freeThe current Edisonian approach (i.e., trial and error) to developing PGM-free catalysts has been ineffectiveStructural and chemical controlled precursors such as metal-organic frameworks are highly desirable for

Keywords： oxygen reduction     fuel cells     cathode     nonprecious metal catalysts     carbon nanocomposites    

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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, including the oxygen evolution reaction (OER) and glucose oxidation reaction (GOR). Herein, we prepared cobalt hydroxide nanoparticles (CoHP) and cobalt hydroxide nanosheets (CoHS) on nickel foam. In the electrocatalytic OER, CoHS shows an overpotential of 306 mV at a current density of 10 mA·cm . This is enhanced as compared with that of CoHP (367 mV at 10 mA·cm ). In addition, CoHS also exhibits an improved performance in the electrocatalytic GOR. The improved electrocatalytic performance of CoHS could be due to the higher ability of the two-dimensional nanosheets on CoHS in electron transfer. These results are useful for fabricating efficient catalysts for electrocatalytic oxidation reactions.

Keywords： electrocatalytic oxidation     cobalt hydroxide     nanosheet     water     glucose    

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Effects of ancillary ligands in acceptorless benzyl alcohol dehydrogenation mediated by phosphine-free

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 314-325 doi: 10.1007/s11705-022-2219-2

Abstract: Among various catalytic systems for this reaction, cost-effective molecular catalysts using phosphine-freeHerein, we synthesized a phosphine-free η5-C5Me5-Co complex by usingthe metal–ligand cooperative strategy and compared its activity with analogous catalysts toward acceptorlessroles of vital ligand components to boost catalytic performance and offered rationales for designing metal–ligandcooperative nonprecious metal complexes.

Keywords： acceptorless alcohol dehydrogenation     η5-C5Me5-Co     metal–ligand cooperation    

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Efficient photoelectrochemical oxidation of rhodamine B on metal electrodes without photocatalyst or

Xuejiao Wang, Xiang Feng, Jing Shang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1061-8

Abstract:

•The efficient PEC degradation of RhB is realized using no photocatalyst.

•The efficient PEC degradation of RhB features the low salinity.

•The PEC degradation of RhB takes place on the anode and cathode simultaneously.

Keywords： Energy relay structure     Energy saving     Photocatalyst-free and low-salinity degradation     Photoelectrochemical    

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Revolutionizing heat transport enhancement with liquid metals: Proposal of a new industry of water-free

Haiyan LI, Jing LIU

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 20-42 doi: 10.1007/s11708-011-0139-9

Abstract: In this paper, the concept of a water-free heat exchanger is proposed and comprehensively analyzed forThe liquid metal with a low melting point is identified as an ideal fluid that can flexibly be used withinthermal conductivity, electromagnetic field drivability, and extremely low power consumption, liquid metalability to meet various critical requirements in modern advanced energy and power industries, liquid metal-enabledtechnologies are expected to usher a new and global era of water-free heat exchangers.

Keywords： heat exchanger     liquid metal     water resource     heat transport enhancement     coolant     thermal management     process    

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Metal-organic framework-based CO

Yujie Ban, Meng Zhao, Weishen Yang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 188-215 doi: 10.1007/s11705-019-1872-6

Abstract: Metal-organic frameworks (MOFs), as a novel type of porous materials, are being generated at a rapidsecondary building units, pore structure, topology and hybridization and (ii) construction of crack-free

Keywords： CO2 capture     CO2-philic MOFs     crack-free membranes    

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Engineering sodium metal anode with sodiophilic bismuthide penetration for dendrite-free and high-rate

Wanyu Zhao, Min Guo, Zhijun Zuo, Xiaoli Zhao, Huanglin Dou, Yijie Zhang, Shiying Li, Zichen Wu, Yayun Shi, Zi-Feng Ma ,Xiaowei Yang

Engineering 2022, Volume 11, Issue 4,   Pages 89-96 doi: 10.1016/j.eng.2021.08.028

Abstract:

Sodium (Na) metal batteries with a high volumetric energy density that can be operated at high rates

Keywords： sodium metal anode     dendrite-free     compact electrodeposition     sodiophilic bismuthide     ion diffusion barrier    

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Cell-free systems in the new age of synthetic biology

Fernando Villarreal,Cheemeng Tan

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 58-65 doi: 10.1007/s11705-017-1610-x

Abstract: The advent of synthetic biology has ushered in new applications of cell-free transcription-translationThese cell-free systems are reconstituted using cellular proteins, and are amenable to modular controlHere, we discuss the historical advancement of cell-free systems, as well as their new applications inFinally, we present our vision on the future direction of cell-free synthetic biology.

Keywords： cell-free system     application    

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Recent advances in cycloaddition of CO with epoxides: halogen-free catalysis and mechanistic insights

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1879-1894 doi: 10.1007/s11705-023-2354-4

Abstract: Halogenide such as alkali metal halides and quaternary ammonium salt have been developed as the efficientTo address these concerns, the halogen-free cycloaddition of CO2 with epoxides has alwaysIn this review, we systematically discussed the halogen-free catalysis for cycloaddition of CO2freeSpecially, metal oxides as the potential halogen-free catalysts are highlighted due to their flexible

Keywords： carbon dioxide     halogen-free catalysis     cyclic carbonate     mechanistic insight    

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Title Author Date Type Operation

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

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

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

Zhiyi Wu,Zafar Iqbal,Xianqin Wang

Journal Article

Nitrogen-Doped Graphene Foam as a Metal-Free Catalyst for Reduction Reactions under a High Gravity Field

Zhiyong Wang, Zhijian Zhao, Jesse Baucom, Dan Wang, Liming Dai, Jian-Feng Chen

Journal Article

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

Tao Zhang, Tewodros Asefa

Journal Article

Metal-Free Hexagonal Perovskite High-Energetic Materials with NH3OH+/NH2

Yu Shang, Zhi-Hong Yu, Rui-Kang Huang, Shao-Li Chen, De-Xuan Liu, Xiao-Xian Chen, Wei-Xiong Zhang, Xiao-Ming Chen

Journal Article

Current challenge and perspective of PGM-free cathode catalysts for PEM fuel cells

Gang WU

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

Effects of ancillary ligands in acceptorless benzyl alcohol dehydrogenation mediated by phosphine-free

Journal Article

Efficient photoelectrochemical oxidation of rhodamine B on metal electrodes without photocatalyst or

Xuejiao Wang, Xiang Feng, Jing Shang

Journal Article

Revolutionizing heat transport enhancement with liquid metals: Proposal of a new industry of water-free

Haiyan LI, Jing LIU

Journal Article

Metal-organic framework-based CO

Yujie Ban, Meng Zhao, Weishen Yang

Journal Article

Engineering sodium metal anode with sodiophilic bismuthide penetration for dendrite-free and high-rate

Wanyu Zhao, Min Guo, Zhijun Zuo, Xiaoli Zhao, Huanglin Dou, Yijie Zhang, Shiying Li, Zichen Wu, Yayun Shi, Zi-Feng Ma ,Xiaowei Yang

Journal Article

Cell-free systems in the new age of synthetic biology

Fernando Villarreal,Cheemeng Tan

Journal Article

Recent advances in cycloaddition of CO with epoxides: halogen-free catalysis and mechanistic insights

Journal Article