
DEEP GROUP
Meet DEEP Team
Principle Investigator

Group Leader
Prof. Jian WANG
Prof. Wang obtained his BEng degree in Energy, Power System, and Automation Engineering from Xi'an Jiaotong University (China) with distinguished honors (top 0.2%) in 2013. After that, he took one year of postgraduate study at the same university under the supervision of Prof. Tianjian Lu. He worked as a visiting pre-doctor fellow at Northwestern University (USA) in 2017 and received his PhD degree majoring in mechanical engineering with a research excellence award (top 2%) from HKUST in 2018. Before joining the School of Energy and Environment at CityU of Hong Kong in 2021, he worked as an SNU Science Fellow researcher at Seoul National University (Korea).
Email: jian.wang@cityu.edu.hk
Education
2014/09-2018/08 Ph.D in Mechanical Engineering, HKUST, Hong Kong SAR, China
2013/08-2014/07 Graduate study majoring in Solid Mechanics, Xi'an Jiaotong University, China
2010/08-2013/07 Bachelor of Engineering, Energy, Power System and Automation Engineering, Xi'an Jiaotong University, China
2009/08- 2010/07 Undergraduate study majoring in Clinical Medicine, Xi'an Jiaotong University, China
Careers
10/2021-Present Assistant Professor, School of Energy and Environment, The City University of Hong Kong
09/2020- 05/2021 SNU Science Fellow Researcher, Research Institute of Basic Science, Seoul National University, Korea
(09/2018- 08/2020) Postdoctoral Fellow, Division of Chemistry and Molecular Engineering, Seoul National University, Korea
Selected awards and professional services
1. Stanford's top 2% most highly cited scientist (2023)
2. SNU Science Fellowship (2020)
3. JEC Outstanding Engineering Project Award (2016)
4. GE Foundation TECH Award (2015)
5. National Scholarship (2010 & 2012)
6. The Electrochemical Society, Chinese Chemical Society
Current Members
Research Fellow

Research Fellow
Shiyang Nie
2017/09 - 2021/09 Ph.D. in College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University
2022/01 - 2025/05, Postdoctoral Researcher, Department of chemistry, Tsinghua University
2025/08-present, Research Fellow, School of Energy and Environment, City University of Hong Kong
Main research directions: Synthesis of Subnano-materials and Their Applications in Photocatalytic Conversion of CH4 and CO2; First-Principles Calculations in Heterogeneous Catalytic Reactions; Subnano-thermodynamics
Postdoctoral Researchers

Postdoctoral Researchers
Min JU
2018/09-2023/06 Ph. D in Electrocatalysis, Peking University Shenzhen Graduate School, Peking University, China
2014/09-2018/06 Bachelor of Science, College of Chemistry and Molecular Sciences, Wuhan University, China
Selected awards and professional services:
Outstanding Graduates of Beijing City and Peking University (2023)
Academic Innovation Award of Peking University (2021)
Outstanding Scientific Research Award of Peking University (2019)
Research Area: Electrocatalysts for energy conversion reactions.

Postdoctoral Researchers
Hao FEI
2020 - 2024/06 Ph.D. in School of Materials Science and Engineering, Central South University
10/2022 - 09/2023, visiting student, School of Energy and Environment, City University of Hong Kong
Main research directions: Electrocatalysis of NRR and HER and fully hydrolyzed water

Postdoctoral Researchers
Zhaojian LIANG
2021/09-2024/10 PhD in Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong SAR
2019/09-2020/10 MSc in Thermal Power and Fluids, The University of Manchester, UK
2015/09-2019/6 BEng in Energy and Power Engineering, Hohai University, China
Selected awards:
2024 Hong Kong Young Scientist Award in Physical/Mathematical Science
Research interests:
Electrochemistry, Energy Storage, Thermofluids, Numerical simulation
Ph.D. Student

Ph.D. Student
Siyuan WANG
2022/09-Present: Ph.D. student, City University of Hong Kong
2018/09-2022.06: B.Sc., Central South University
Research Area: Oxygen reduction reaction, metal-air batteries/fuel cells

Ph.D. Student
Yunze ZHANG
2022/07 - Present: Ph.D. student, City University of Hong Kong, Hong Kong SAR. China
2017/08 – 2021/07: Bachelor of Science, Department of Physics, Jilin University, China
Research Area: Lithium-ion batteries.

Ph.D. Student
Jia LEI
2023/08-Present: Ph.D. student, City University of Hong Kong. Hong Kong SAR, China
2020/08-2023/06: Engineer, Fast Auto Drive Group, China
2017/08-2020/06: Master of Engineering, Materials Science and Engineering, Xi’an Jiaotong University, China
2013/08-2017/07: Bachelor of Engineering, Materials Science and Engineering, Xi’an Jiaotong University, China
Selected awards and professional services:
-
The Outstanding Master’s Thesis of XJTU (2020)
-
The Graduate with Honor of XJTU (2020)
Research Area: Water Electrolysis process and devices.

Ph.D. Student
Ziyi WANG
2023/09 - Present: Ph.D. student, City University of Hong Kong, Hong Kong SAR. China
2019/08 - 2023/05: B.E., School of Energy and Environment, City University of Hong Kong,Hong Kong SAR. China
Selected awards and professional services:
Graduation with First Class Honors Bachelor's Degree from City University of Hong Kong, Hong Kong
Research Area: Water Electrolysis process and devices.

Ph.D. Student
Yixiao HUANG
2018/08-2022/05 B.S. in Chemistry, University of Miami, Florida, USA
2023/09-2024/06 MSc. in Chemical and Energy Engineering, The Hong Kong University of Science and Technology(HKUST), Hong Kong SAR
Research Area: Regeneration and upcycling of spent batteries

Visiting Student
Guanzhen CHEN
2021 - Present Ph.D. student, Institute of Flexible Electronics, Northwestern Polytechnical University
06/2024 - 06/2025, visiting student, School of Energy and Environment, City University of Hong Kong
Main research directions: Electrocatalytic water splitting

Ph.D. Student
Chi ZHANG
2024/09 - Present: Ph.D. student, City University of Hong Kong, Hong Kong SAR. China
2023/8-2024/5 Bachelor of Engineering,Material Science and Engineering, University of Pittsburgh, USA
2020/09 - 2023/06: Bachelor of Engineering,Material Science and Engineering, Sichuan University, China
Research Area: Coupling of electrolysis of Water and Solar Cell

Visiting Student
Yiran ZHENG
09/2023 – Present: Ph.D. student, School of Physics, South China Normal University
12/2024 – 10/2025: visiting student, School of Energy and Environment, City University of Hong Kong
Main research directions: Sodium-ion Batteries.

Ph.D. Student
Yuzhe Zhou
2024.8-2025.6: MSc in Energy system, Chemical and Biomolecular Engineering, National University of Singapore, Singapore
2020.9-2024.6: BEng in Materials Chemistry, Powder metallurgy research institute, Central South University, China.
Research area: Seawater electrolysis

Ph.D. Student
Zhujie CHEN
2019/09-2023/06 B.Eng. in New energy Materials and Devices, Soochow University, China
2023/09-2024/06 MSc. in Material Engineering and Nanotechnology, The City University of Hong Kong, Hong Kong SAR
Research area: All solid state electrolyte lithium battery

Ph.D. Student
Jingyuan XIANG
2018/09 – 2022/06 B.E. in Engineering, Southern University of Science and Technology, China.
2022/09 – 2025/06 M.E. in Mechanics, Southern University of Science and Technology, China.
Research interests: Thermofluids, Mass transfer.

Ph.D. Student
Buqing HUO
2025/08-Present: Ph.D. Student, School of Energy and Environment, City University of Hong Kong. Hong Kong SAR, China
2024/08-2025/06: Master of Science in Chemical and Energy Engineering, Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
2020/08-2024/06: Bachelor of Bioengineering, College of Chemical Engineering, Huaqiao University, Xiamen, China
Selected awards and professional services:
The Outstanding Bachelor's Thesis of Huaqiao University (2024)
Research Area: Nanocomposite, Electrocatalysis

Ph.D. Student
TERA IBRAHIM
2025/09—Present: Ph.D. in Energy and Environment, City University of Hong Kong
2022/09—2025/06: MS in Engineering, Chemical Engineering and Technology, Xi’an Jiaotong University
2018/09—2022/06: Bachelor of Engineering, Chemical Engineering and Technology, Tianjin University
Main Research Directions: Transport Phenomena in electrolyzers, Hydrogen energy

Ph.D. Student
Qingyuan HU
2018/09-2022/06: Bachelor of Engineering, Energy and Power Engineering, China University of Mining and Technology, China
2022/09-2023/09: Master of Science, Environmental and Energy Engineering, University of Sheffield, UK
2023/09-2024/09: Master of Science, Built Environment: Environmental Design and Engineering, University College London, UK
2025/09-Present: Ph.D. Student, City University of Hong Kong, Hong Kong SAR. China
Postgraduate

Visiting Postgraduate
Yue DENG
Alumni
Postdoctoral Researchers and Visiting Students

Reseach Associate
Hongsheng WANG
2022 - Present Research Associate, School of Energy and Environment, City University of Hong Kong
2019 - 2022 Postdoctoral Fellow, Department of Chemical Systems Engineering, University of Tokyo
2017 - 2019 Postdoctoral/Lecturer, Wuhan University, School of Power and Mechanical Engineering
2012 - 2017 PhD, Engineering Thermophysics, University of Chinese Academy of Sciences
2008 - 2012 Bachelor, Energy Power Systems and Automation, Wuhan University
Research directions: solar thermochemical fuel generation, thermodynamics, membrane reactor, OER

Postdoctoral Associate
Miao WANG
2011-2015 Bachelor, Xi'an Jiaotong University
2017 - 2021 Ph.D., Xi'an Jiaotong University
07/2022 - 04/2023 Postdoctoral researcher, School of Energy and Environment, City University of Hong Kong
06/2023 - Present Postdoctoral researcher, NIMS, Japan.

Visiting Student
Ruoqi LIU
2020 - Present Ph.D. student, School of Materials Science and Engineering, Central South University
10/2022 - 09/2023, visiting student, School of Energy and Environment, City University of Hong Kong
Main research directions: Electrocatalysis of NRR and HER and fully hydrolyzed water

Postdoctoral Researchers
Yun-shan JIANG
2020/09 – 2024/06, Ph.D. in Chemical Engineering and Technology, Harbin Institute of Technology, China
2018/09 – 2020/07 M.S. in Chemical Engineering, Harbin Institute of Technology, China
2014/09 – 2018/06 B.S. in Chemical Engineering and Technology (electrochemistry), Dalian University of Technology, China
Research interests: Li/Na-ion batteries, cathode materials, Electrochemistry
Postgraduate

Postgraduate
Taidong LIN
2017/10 - 2021/10: B.Sc. in Materials Engineering, Guangdong Technion-Israel Institute of Technology (GTIIT), Shantou, China
2023/09 - Present: Postgraduate, School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Research Area: Electrocatalysts for energy conversion reactions

Postgraduate
Tingting WANG
2018/09 - 2022/06: Bachelor of Safety Engineering, China University of Petroleum (East China)
2023/09 - present: Postgraduate, School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Research area: Design of highly active and durable electrode for electrochemical H2O2 synthesis
Undergraduate

Undergraduate
Jin LI
2021/09-present:B.Sc., Tianjin University
2024/07-2024/09:visiting student, School of Energy and Environment, City University of Hong Kong
Main research directions: Electrocatalytic hydrogen evolution process and Lithium-ion batteries

Undergraduate
Junle DANG
2021/08 - present: Undergraduate student, School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Research Area: Water Electrolysis process and devices.

Undergraduate
Xinchang YUAN
2021/08 - present: Undergraduate student, School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Research Area: Coupling of electrolysis of Water and Solar Cell.
DEEP GROUP