Cheng Tang

Cheng Tang

School of Chemical Engineering and Advanced Materials

Faculty of Engineering, Computer and Mathematical Sciences

Eligible to supervise Masters and PhD (as Co-Supervisor) - email supervisor to discuss availability.


Dr. Tang has been focusing on the atomic-level design and engineering of nanomaterials for high-performance batteries and electrochemical production of fuels and chemicals. He has co-published 1 book chapter and 62 refereed journal papers, including 4 ESI Hot paper (top 0.1 %), 17 ESI Highly Cited papers (top 1 %), and 8 cover-featured papers. These include 31 papers as the first/co-first author in flagship Materials & Chemistry journals including Adv. Mater. (9), Angew. Chem. Int. Ed. (1), Sci. Adv. (1), Chem. Soc. Rev. (1), Acc. Chem. Res. (1), Adv. Funct. Mater. (1), J. Mater. Chem. A (5), and others. His h-index = 39 and total citations > 5200 on Google Scholar.
He has been awarded the 2019 Chorafas Foundation Award in Chemistry (only 5 winners worldwide), the 2018 CPCIF-Clariant CleanTech Award, NDNC2016 Young Scholar Award, China National Scholarship for Graduate Students (3 times), the Top-Grade Scholarship at Tsinghua University (10/33000), Academic Rookies of Tsinghua (10/33000), Tsinghua’s Person of the Year 2016 (10/45000), First Prize of Excellent Doctoral Dissertation, etc. He is highly honoured to give the commencement address at THU 2018 Graduate Graduation Ceremony.
His research interests include:
1. nanomaterials including graphene, 2D materials, single-atom catalysts, 3D porous frameworks, high-entropy nanomaterials, etc.
2. lithium-sulfur batteries
3. bifunctional oxygen reduction/evolution in zinc-air batteries
4. on-site/demand electrosynthesis of hydrogen peroxide
5. electrocatalytic nitrogen cycling (nitrogen reduction, nitrogen oxidation, nitrate reduction, etc.)

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  • Journals

    Year Citation
    2020 Nan, H., Su, Y., Tang, C., Cao, R., Li, D., Yu, J., . . . Tian, X. (2020). Engineering the electronic and strained interface for high activity of PdM<inf>core</inf>@Pt<inf>monolayer</inf> electrocatalysts for oxygen reduction reaction. Science Bulletin.
    DOI
    2020 Liu, X., Cui, X., Dastafkan, K., Wang, H., Tang, C., Zhao, C., . . . Zhang, Q. (2020). Recent advances in spinel-type electrocatalysts for bifunctional oxygen reduction and oxygen evolution reactions. Journal of Energy Chemistry, 53, 290-302.
    DOI
    2020 Yang, Y., Zhang, L., Hu, Z., Zheng, Y., Tang, C., Chen, P., . . . Qiao, S. (2020). The Crucial Role of Charge Accumulation and Spin Polarization in Activating Carbon-Based Catalysts for Electrocatalytic Nitrogen Reduction. Angewandte Chemie - International Edition, 59(11), 4525-4531.
    DOI Scopus1 WoS1
    2020 Tang, C., Jiao, Y., Shi, B., Liu, J. -N., Xie, Z., Chen, X., . . . Qiao, S. (2020). Coordination tunes selectivity: two-electron oxygen reduction on high-loading Molybdenum single-atom catalysts. Angewandte Chemie International Edition, 59(23), 1-7.
    DOI Scopus3
    2020 Li, L., Tang, C., Zheng, Y., Xia, B., Zhou, X., Xu, H., & Qiao, S. (2020). Tailoring Selectivity of Electrochemical Hydrogen Peroxide Generation by Tunable Pyrrolic-Nitrogen-Carbon. Advanced Energy Materials, 10(21).
    DOI Scopus2
    2019 Zhang, X., Wang, Q., Tang, C., Wang, H. -F., Liang, P., Huang, X., & Zhang, Q. (2019). High-Power Microbial Fuel Cells Based on a Carbon-Carbon Composite Air Cathode. SMALL, 16(15), 7 pages.
    DOI
    2019 Wang, Y., Li, Z., Tang, C., Ren, H., Zhang, Q., Xue, M., . . . Jiang, J. (2019). Few-layered mesoporous graphene for high-performance toluene adsorption and regeneration. ENVIRONMENTAL SCIENCE-NANO, 6(10), 3113-3122.
    DOI Scopus2
    2019 Wang, H. -F., Tang, C., & Zhang, Q. (2019). A review of graphene-based 3D van der Waals hybrids and their energy applications. NANO TODAY, 25, 27-37.
    DOI Scopus14 WoS11
    2019 Wang, B., Tang, C., Wang, H. -F., Chen, X., Cao, R., & Zhang, Q. (2019). A Nanosized CoNi Hydroxide@Hydroxysulfide Core-Shell Heterostructure for Enhanced Oxygen Evolution. ADVANCED MATERIALS, 31(4), 7 pages.
    DOI Scopus49 WoS37
    2019 Tang, C., & Qiao, S. (2019). 2D Atomically Thin Electrocatalysts: From Graphene to Metallene. Matter, 1(6), 1454-1455.
    DOI
    2019 Wang, B., Tang, C., Wang, H., Chen, X., Cao, R., & Zhang, Q. (2019). Core-branch CoNi hydroxysulfides with versatilely regulated electronic and surface structures for superior oxygen evolution electrocatalysis. Journal of Energy Chemistry, 38, 8-14.
    DOI Scopus14 WoS5
    2019 Li, L., Tang, C., Xia, B., Jin, H., Zheng, Y., & Qiao, S. (2019). Two-dimensional mosaic bismuth nanosheets for highly selective ambient electrocatalytic nitrogen reduction. ACS Catalysis, 9(4), 2902-2908.
    DOI Scopus94 WoS83
    2019 Tang, C., & Qiao, S. (2019). How to explore ambient electrocatalytic nitrogen reduction reliably and insightfully. Chemical Society Reviews, 48(12), 3166-3180.
    DOI Scopus74 WoS64 Europe PMC1
    2019 Jin, H., Li, L., Liu, X., Tang, C., Xu, W., Chen, S., . . . Qiao, S. (2019). Nitrogen vacancies on 2D layered W₂N₃: a stable and efficient active site for nitrogen reduction reaction. Advanced Materials, 31(32), 1-8.
    DOI Scopus42 WoS42
    2019 Tang, C., & Qiao, S. (2019). True or False in Electrochemical Nitrogen Reduction. Joule, 3(7), 1573-1575.
    DOI Scopus6 WoS5
    2019 Li, L., Tang, C., Yao, D., Zheng, Y., & Qiao, S. (2019). Electrochemical nitrogen reduction: identification and elimination of contamination in electrolyte. ACS Energy Letters, 4(9), 2111-2116.
    DOI Scopus15 WoS13
    2019 Li, Z., Liu, R., Tang, C., Wang, Z., Chen, X., Jiang, Y., . . . Jiang, J. (2019). Cobalt Nanoparticles and Atomic Sites in Nitrogen-Doped Carbon Frameworks for Highly Sensitive Sensing of Hydrogen Peroxide. SMALL, 16(15), 8 pages.
    DOI WoS1
    2019 Huang, Y., Wang, Y., Tang, C., Wang, J., Zhang, Q., Wang, Y., & Zhang, J. (2019). Atomic modulation and structure design of carbons for bifunctional electrocatalysis in metal-air batteries. Advanced Materials, 31(13), 1803800-1-1803800-17.
    DOI Scopus41 WoS40
    2018 Tang, C., Wang, H. -F., & Zhang, Q. (2018). Multiscale Principles To Boost Reactivity in Gas-Involving Energy Electrocatalysis. ACCOUNTS OF CHEMICAL RESEARCH, 51(4), 881-889.
    DOI Scopus139 WoS131 Europe PMC11
    2018 Shi, J. -L., Tang, C., Huang, J. -Q., Zhu, W., & Zhang, Q. (2018). Effective exposure of nitrogen heteroatoms in 3D porous graphene framework for oxygen reduction reaction and lithium-sulfur batteries. JOURNAL OF ENERGY CHEMISTRY, 27(1), 167-175.
    DOI Scopus50 WoS45
    2018 Tang, C., Zhong, L., Zhang, B., Wang, H. -F., & Zhang, Q. (2018). 3D Mesoporous van der Waals Heterostructures for Trifunctional Energy Electrocatalysis. ADVANCED MATERIALS, 30(5), 8 pages.
    DOI Scopus76 WoS72 Europe PMC9
    2018 Wang, H. -F., Tang, C., Li, B. -Q., & Zhang, Q. (2018). A review of anion-regulated multi-anion transition metal compounds for oxygen evolution electrocatalysis. INORGANIC CHEMISTRY FRONTIERS, 5(3), 521-534.
    DOI Scopus34 WoS33
    2018 Wang, H. -F., Tang, C., & Zhang, Q. (2018). A Review of Precious-Metal-Free Bifunctional Oxygen Electrocatalysts: Rational Design and Applications in Zn-Air Batteries. ADVANCED FUNCTIONAL MATERIALS, 28(46), 22 pages.
    DOI Scopus135 WoS140
    2018 Cui, X., Tang, C., & Zhang, Q. (2018). A Review of Electrocatalytic Reduction of Dinitrogen to Ammonia under Ambient Conditions. Advanced Energy Materials, 8(22), 25 pages.
    DOI Scopus190 WoS179
    2018 Wang, B., Tang, C., Wang, H. -F., Li, B. -Q., Cui, X., & Zhang, Q. (2018). Anion-Regulated Hydroxysulfide Monoliths as OER/ORR/HER Electrocatalysts and their Applications in Self-Powered Electrochemical Water Splitting. SMALL METHODS, 2(12), 9 pages.
    DOI WoS30
    2018 Li, B. -Q., Zhang, S. -Y., Wang, B., Xia, Z. -J., Tang, C., & Zhang, Q. (2018). A porphyrin covalent organic framework cathode for flexible Zn-air batteries. ENERGY & ENVIRONMENTAL SCIENCE, 11(7), 1723-1729.
    DOI Scopus75 WoS71
    2018 Cui, X., Tang, C., Liu, X. -M., Wang, C., Ma, W., & Zhang, Q. (2018). Highly Selective Electrochemical Reduction of Dinitrogen to Ammonia at Ambient Temperature and Pressure over Iron Oxide Catalysts. CHEMISTRY-A EUROPEAN JOURNAL, 24(69), 18494-18501.
    DOI Scopus36 WoS34 Europe PMC1
    2018 Wang, H. -F., Tang, C., Wang, B., Li, B. -Q., Cui, X., & Zhang, Q. (2018). Defect-rich carbon fiber electrocatalysts with porous graphene skin for flexible solid-state zinc-air batteries. ENERGY STORAGE MATERIALS, 15, 124-130.
    DOI Scopus50 WoS44
    2017 Tang, C., Wang, B., Wang, H. -F., & Zhang, Q. (2017). Defect Engineering toward Atomic Co-N-x-C in Hierarchical Graphene for Rechargeable Flexible Solid Zn-Air Batteries. ADVANCED MATERIALS, 29(37), 7 pages.
    DOI Scopus245 WoS42 Europe PMC27
    2017 Tang, C., Titirici, M. -M., & Zhang, Q. (2017). A review of nanocarbons in energy electrocatalysis: Multifunctional substrates and highly active sites. JOURNAL OF ENERGY CHEMISTRY, 26(6), 1077-1093.
    DOI Scopus118 WoS107
    2017 Wang, H. -F., Tang, C., Wang, B., Li, B. -Q., & Zhang, Q. (2017). Bifunctional Transition Metal Hydroxysulfides: Room-Temperature Sulfurization and Their Applications in Zn-Air Batteries. ADVANCED MATERIALS, 29(35), 9 pages.
    DOI Scopus176 WoS333 Europe PMC18
    2017 Li, B. -Q., Zhang, S. -Y., Tang, C., Cui, X., & Zhang, Q. (2017). Anionic Regulated NiFe (Oxy)Sulfide Electrocatalysts for Water Oxidation. SMALL, 13(25), 6 pages.
    DOI Scopus76 WoS59 Europe PMC8
    2017 Tang, C., & Zhang, Q. (2017). Nanocarbon for Oxygen Reduction Electrocatalysis: Dopants, Edges, and Defects. ADVANCED MATERIALS, 29(13), 9 pages.
    DOI Scopus323 WoS282 Europe PMC39
    2017 Zhong, L., Tang, C., Wang, B., Wang, H. -F., Gao, S., Wang, Y., & Zhang, Q. (2017). SAPO-34 templated growth of hierarchical porous graphene cages as electrocatalysts for both oxygen reduction and evolution. NEW CARBON MATERIALS, 32(6), 509-516.
    DOI Scopus8 WoS8
    2017 Li, B. -Q., Xia, Z. -J., Zhang, B., Tang, C., Wang, H. -F., & Zhang, Q. (2017). Regulating p-block metals in perovskite nanodots for efficient electrocatalytic water oxidation. NATURE COMMUNICATIONS, 8(1), 7 pages.
    DOI Scopus45 WoS43 Europe PMC6
    2017 Hao, G. -P., Tang, C., Zhang, E., Zhai, P., Yin, J., Zhu, W., . . . Kaskel, S. (2017). Thermal Exfoliation of Layered Metal-Organic Frameworks into Ultrahydrophilic Graphene Stacks and Their Applications in Li-S Batteries. ADVANCED MATERIALS, 29(37), 7 pages.
    DOI Scopus69 WoS69 Europe PMC10
    2017 Qiao, M., Tang, C., Tanase, L. C., Teodorescu, C. M., Chen, C., Zhang, Q., & Titirici, M. -M. (2017). Oxygenophilic ionic liquids promote the oxygen reduction reaction in Pt-free carbon electrocatalysts. MATERIALS HORIZONS, 4(5), 895-899.
    DOI Scopus21 WoS20
    2017 Chen, C. -Y., Peng, H. -J., Hou, T. -Z., Zhai, P. -Y., Li, B. -Q., Tang, C., . . . Zhang, Q. (2017). A Quinonoid-Imine-Enriched Nanostructured Polymer Mediator for Lithium-Sulfur Batteries. ADVANCED MATERIALS, 29(23), 7 pages.
    DOI Scopus76 WoS69 Europe PMC7
    2016 Rybarczyk, M. K., Peng, H. -J., Tang, C., Lieder, M., Zhang, Q., & Titirici, M. -M. (2016). Porous carbon derived from rice husks as sustainable bioresources: insights into the role of micro-/mesoporous hierarchy in hosting active species for lithium-sulphur batteries. GREEN CHEMISTRY, 18(19), 5169-5179.
    DOI Scopus78 WoS76
    2016 Qiao, M., Tang, C., He, G., Qiu, K., Binions, R., Parkin, I., . . . Titirici, M. (2016). Graphene/nitrogen-doped porous carbon sandwiches for the metal-free oxygen reduction reaction: conductivity versus active sites. JOURNAL OF MATERIALS CHEMISTRY A, 4(32), 12658-12666.
    DOI Scopus58 WoS55
    2016 Tang, C., Wang, H. -F., Chen, X., Li, B. -Q., Hou, T. -Z., Zhang, B., . . . Wei, F. (2016). Topological Defects in Metal-Free Nanocarbon for Oxygen Electrocatalysis. ADVANCED MATERIALS, 28(32), 6845-+.
    DOI Scopus333 WoS323 Europe PMC54
    2016 Chen, C. -Y., Tang, C., Wang, H. -F., Chen, C. -M., Zhang, X., Huang, X., & Zhang, Q. (2016). Oxygen Reduction Reaction on Graphene in an Electro-Fenton System: In Situ Generation of H2O2 for the Oxidation of Organic Compounds. CHEMSUSCHEM, 9(10), 1194-1199.
    DOI Scopus43 WoS38 Europe PMC3
    2016 Zhu, X., Tang, C., Wang, H. -F., Li, B. -Q., Zhang, Q., Li, C., . . . Wei, F. (2016). Monolithic-structured ternary hydroxides as freestanding bifunctional electrocatalysts for overall water splitting. JOURNAL OF MATERIALS CHEMISTRY A, 4(19), 7245-7250.
    DOI Scopus91 WoS91
    2016 Shi, J. -L., Wang, H. -F., Zhu, X., Chen, C. -M., Huang, X., Zhang, X. -D., . . . Zhang, Q. (2016). The nanostructure preservation of 3D porous graphene: New insights into the graphitization and surface chemistry of non-stacked double-layer templated graphene after high-temperature treatment. CARBON, 103, 36-44.
    DOI Scopus19 WoS19
    2016 Wang, H. -F., Tang, C., Zhu, X., & Zhang, Q. (2016). A 'point-line-point' hybrid electrocatalyst for bi-functional catalysis of oxygen evolution and reduction reactions. JOURNAL OF MATERIALS CHEMISTRY A, 4(9), 3379-3385.
    DOI Scopus41 WoS40
    2016 Tang, C., Wang, H. -F., Wang, H. -S., Wei, F., & Zhang, Q. (2016). Guest-host modulation of multi-metallic (oxy) hydroxides for superb water oxidation. JOURNAL OF MATERIALS CHEMISTRY A, 4(9), 3210-3216.
    DOI Scopus40 WoS41
    2016 Li, B. -Q., Tang, C., Wang, H. -F., Zhu, X. -L., & Zhang, Q. (2016). An aqueous preoxidation method for monolithic perovskite electrocatalysts with enhanced water oxidation performance. SCIENCE ADVANCES, 2(10), 6 pages.
    DOI Scopus51 WoS49 Europe PMC6
    2016 Tang, C., Wang, H. -F., Zhu, X. -L., Li, B. -Q., & Zhang, Q. (2016). Advances in Hybrid Electrocatalysts for Oxygen Evolution Reactions: Rational Integration of NiFe Layered Double Hydroxides and Nanocarbon. PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, 33(8), 14 pages.
    DOI Scopus63 WoS66
    2016 Tang, C., & Zhang, Q. (2016). Can metal-nitrogen-carbon catalysts satisfy oxygen electrochemistry?. JOURNAL OF MATERIALS CHEMISTRY A, 4(14), 4998-5001.
    DOI Scopus42 WoS39
    2016 Tang, C., Li, B. -Q., Zhang, Q., Zhu, L., Wang, H. -F., Shi, J. -L., & Wei, F. (2016). CaO-Templated Growth of Hierarchical Porous Graphene for High-Power Lithium-Sulfur Battery Applications. ADVANCED FUNCTIONAL MATERIALS, 26(4), 577-585.
    DOI Scopus209 WoS203
    2016 Li, Y., Zhao, J., Tang, C., He, Y., Wang, Y., Chen, J., . . . Shi, G. (2016). Highly Exfoliated Reduced Graphite Oxide Powders as Efficient Lubricant Oil Additives. Advanced Materials Interfaces, 3(22), 8 pages.
    DOI Scopus28
    2016 Tang, C., Wang, H., Chen, X., Li, B., Hou, T., Zhang, B., . . . Wei, F. (2016). Oxygen Electrocatalysis: Topological Defects in Metal-Free Nanocarbon for Oxygen Electrocatalysis (Adv. Mater. 32/2016). Advanced Materials, 28(32), 7030.
    DOI Scopus9
    2016 Tang, C., Wang, H., Zhu, X., Li, B., & Zhang, Q. (2016). Hybrid Electrocatalysts: Advances in Hybrid Electrocatalysts for Oxygen Evolution Reactions: Rational Integration of NiFe Layered Double Hydroxides and Nanocarbon (Part. Part. Syst. Charact. 8/2016). Particle and Particle Systems Characterization, 33(8), 447.
    DOI Scopus5
    2015 Zhu, X., Tang, C., Wang, H., Zhang, Q., Yang, C., & Wei, F. (2015). Dual-sized NiFe layered double hydroxides in situ grown on oxygen-decorated self-dispersal nanocarbon as enhanced water oxidation catalysts. Journal of Materials Chemistry A, 3(48), 24540-24546.
    DOI Scopus85 WoS83
    2015 Wang, H., Tang, C., & Zhang, Q. (2015). Towards superior oxygen evolution through graphene barriers between metal substrates and hydroxide catalysts. Journal of Materials Chemistry A, 3(31), 16183-16189.
    DOI Scopus35 WoS36
    2015 Chen, T., Zhang, Q., Zhao, M., Huang, J., Tang, C., & Wei, F. (2015). Rational recipe for bulk growth of graphene/carbon nanotube hybrids: New insights from in-situ characterization on working catalysts. Carbon, 95, 292-301.
    DOI Scopus14 WoS10
    2015 Shi, J., Tang, C., Peng, H., Zhu, L., Cheng, X., Huang, J., . . . Zhang, Q. (2015). 3D Mesoporous Graphene: CVD Self-Assembly on Porous Oxide Templates and Applications in High-Stable Li-S Batteries. Small, 11(39), 5243-5252.
    DOI Scopus93 WoS93 Europe PMC11
    2015 Tang, C., Wang, H., Wang, H., Zhang, Q., Tian, G., Nie, J., & Wei, F. (2015). Spatially Confined Hybridization of Nanometer-Sized NiFe Hydroxides into Nitrogen-Doped Graphene Frameworks Leading to Superior Oxygen Evolution Reactivity. Advanced Materials, 27(30), 4516-4522.
    DOI Scopus387 WoS379 Europe PMC30
    2014 Zhao, M., Peng, H., Tian, G., Zhang, Q., Huang, J., Cheng, X., . . . Wei, F. (2014). Hierarchical vine-tree-like carbon nanotube architectures: In-situ CVD self-assembly and their use as robust scaffolds for lithium-sulfur batteries. Advanced Materials, 26(41), 7051-7058.
    DOI Scopus73 WoS75 Europe PMC15
    2014 Tang, C., Zhang, Q., Zhao, M., Huang, J., Cheng, X., Tian, G., . . . Wei, F. (2014). Nitrogen-doped aligned carbon nanotube/graphene sandwiches: Facile catalytic growth on bifunctional natural catalysts and their applications as scaffolds for high-rate lithium-sulfur batteries. Advanced Materials, 26(35), 6100-6105.
    DOI Scopus402 WoS397 Europe PMC53
    2014 Tang, C., Zhang, Q., Zhao, M., Tian, G., & Wei, F. (2014). Resilient aligned carbon nanotube/graphene sandwiches for robust mechanical energy storage. Nano Energy, 7, 161-169.
    DOI Scopus39 WoS35
    2014 Zhao, M., Peng, H., Zhang, Q., Huang, J., Tian, G., Tang, C., . . . Wei, F. (2014). Controllable bulk growth of few-layer graphene/ single-walled carbon nanotube hybrids containing Fe@C nanoparticles in a fluidized bed reactor. Carbon, 67, 554-563.
    DOI Scopus13 WoS15
    2013 Cheng, F., Tang, C., Yang, H., Yu, H., Chen, Y., & Shen, Z. (2013). Characterization of a blend-biosurfactant of glycolipid and lipopeptide produced by Bacillus subtilis TU2 isolated from underground oil-extraction wastewater.. Journal of microbiology and biotechnology, 23(3), 390-396.
    DOI Scopus16 WoS12 Europe PMC7
  • Book Chapters

    Year Citation
    2018 Tang, C., & Zhang, Q. (2018). Electrochemistry Reactions Catalyzed by Metal-free Functionalized Carbons. In A. Villa, & N. Dimitratos (Eds.), Metal-free Functionalized Carbons in Catalysis: Synthesis, Characterization and Applications (Vol. 31, pp. 228-265). Croydon, United Kingdom: Royal Society of Chemistry.
    DOI
  • Conference Papers

    Year Citation
    2018 Wang, H. -F., Tang, C., & Zhang, Q. (2018). Template growth of nitrogen-doped mesoporous graphene on metal oxides and its use as a metal-free bifunctional electrocatalyst for oxygen reduction and evolution reactions. In Catalysis Today Vol. 301 (pp. 25-31). Netherlands: Elsevier BV.
    DOI Scopus29 WoS27
  • Conference Items

    Year Citation
    2017 Li, B. -Q., Zhang, S. -Y., Xia, Z. -J., Tang, C., Zhang, B., & Zhang, Q. (2017). One-pot synthesis of covalent organic framework for oxygen electrocatalysis. Poster session presented at the meeting of ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. Washington, DC: AMER CHEMICAL SOC.
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  • Current Higher Degree by Research Supervision (University of Adelaide)

    Date Role Research Topic Program Degree Type Student Load Student Name
    2019 Co-Supervisor morphological effect of Cu nanoparticles on the selective production of C2 products for CO2 reduction reaction by molecular modelling Master of Philosophy Master Full Time Mr Ling Chen
    2018 Co-Supervisor Nanostructural Materials for Electrochemical Ammonium Synthesis Under Ambient Conditions Doctor of Philosophy Doctorate Full Time Mr Dazhi Yao

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