2010-2015, Tsinghua Universtiy, PhD

2003-2006, Shandong Jianzhu University, Ms

1999-2003, Donghua University, Bs

2023- , Tsinghua University, Assistant Researcher

2018-2022, California Institute of Technology, Postdoctoral Scholar

2015-2018, Tsinghua University, Postdoctoral Scholar

2006-2010, Shandong Jianzhu University, Lecturer

1. Study on Exhaust Pollutant Formation Mechanisms and Aftertreatment Technologies of Ammonia–Hydrogen Engines, National Natural Science Foundation of China (T2341002, Co-PI)

2. Industry-funded Research Projects: BYD, Li Auto, Cummins, SMDERI, etc.

1. Liu, W.; Qi, Y.; Cao, X.; Cheng, Q.; Lei, H.; Ping, X.; Yang, C.; Duan, S.; Cao, C.; Liu, M.; et al. Investigation on the explosion characteristics of typical lithium-ion battery vent gas. Journal of Loss Prevention in the Process Industries 2026, 99, doi:10.1016/j.jlp.2025.105796.

2. Lin, Z.; Sun, Q.; Liu, Y.; Zhu, W.; Chen, Q.; Qi, Y.; Peng, Y.; Wang, Z. Effects of fuel reactivity and energy density on combustion and emission characteristics in a pure ammonia jet ignition engine. Fuel 2026, 407, doi:10.1016/j.fuel.2025.137298.

3. Zhao, Z.; Qi, Y.; Wang, X. Research on the combustion mechanism of jet ignition engine fueled with ammonia-hydrogen. Fuel 2025, 379, doi:10.1016/j.fuel.2024.133036.

4. Zhang, Q.; Zhang, R.; Qi, Y.; Wang, Z. Study on hot surface ignition and spark ignition characteristics of ammonia in a rapid compression machine. Fuel 2025, 380, doi:10.1016/j.fuel.2024.133255.

5. Zhang, Q.; Qi, Y.; Zhang, R.; Chao, X.; Yang, B.; Wang, Z. Chemiluminescence spectra investigation of ammonia flame over a wide-range equivalence ratios in a rapid compression machine. Fuel 2025, 382, doi:10.1016/j.fuel.2024.133604.

6. Xu, X.; Zhong, J.; Hu, Y.; Zhang, R.; Zhang, K.; Qi, Y.; Wang, Z. A Deep Neural Network-Based Approach for Optimizing Ammonia-Hydrogen Combustion Mechanism. Energies 2025, 18, doi:10.3390/en18225877.

7. Sun, Q.; Qi, Y.; Lin, Z.; Liu, Y.; Zhu, W.; Wang, Z. Combustion and emission characteristics of an ammonia-hydrogen engine using hydrogen-nitrogen jet ignition. Energy 2025, 328, doi:10.1016/j.energy.2025.136544.

8. Liu, Y.; Cai, K.; Qi, Y.; Chen, Q.; Chen, H.; Wang, Z. Experimental investigation on N2O emission characteristics of ammonia-diesel dual-fuel engines. International Journal of Engine Research 2025, doi:10.1177/14680874241307920.

9. Lin, Z.; Liu, Y.; Chen, Q.; Sun, Q.; Zhu, W.; Qi, Y.; Wang, Z. Experimental study on the combustion pattern in an ammonia engine using micro diesel ignition. Energy 2025, 320, doi:10.1016/j.energy.2025.135480.

10. Li, Z.; Zhai, C.; Zeng, X.; Shi, K.; Wu, X.; Ma, T.; Qi, Y. Review of Pre-Ignition Research in Methanol Engines. Energies 2025, 18, doi:10.3390/en18010133.

11. Zhao, Z.; Qi, Y.; Cai, K. Research on the combustion mechanism of plasma-induced ammonia-hydrogen jet ignition engine. International Journal of Hydrogen Energy 2024, 65, 398–409, doi:10.1016/j.ijhydene.2024.04.047.

12. Zhang, R.; Zhang, Q.; Qi, Y.; Yang, B.; Wang, Z. Investigation on flame propagation and end-gas auto-ignition of ammonia/ hydrogen in a full-field-visualized rapid compression machine. Proceedings of the Combustion Institute 2024, 40, doi:10.1016/j.proci.2024.105455.

13. Zhang, R.; Zhang, Q.; Qi, Y.; Chu, Z.; Yang, B.; Wang, Z. A study on measuring ammonia-hydrogen IDTs and constructing an ammonia-hydrogen combustion mechanism at engine-relevant thermodynamic and fuel concentration conditions. International Journal of Hydrogen Energy 2024, 82, 786–800, doi:10.1016/j.ijhydene.2024.07.406.

14. Zhang, Q.; Zhang, R.; Qi, Y.; Wang, Z. Ignition characteristics of ammonia-methanol blended fuel in a rapid compression machine. Fuel 2024, 368, doi:10.1016/j.fuel.2024.131636.

15. Wang, Z.; Qi, Y.; Sun, Q.; Lin, Z.; Xu, X. Ammonia combustion using hydrogen jet ignition (AHJI) in internal combustion engines. Energy 2024, 291, doi:10.1016/j.energy.2024.130407.

16. Liu, S.; Lin, Z.; Qi, Y.; Wang, Z.; Yang, D.; Lu, G.; Wang, B. Combustion and emission characteristics of a spark ignition engine fueled with ammonia/gasoline and pure ammonia. Applied Energy 2024, 369, doi:10.1016/j.apenergy.2024.123538.

17. Liu, S.; Lin, Z.; Qi, Y.; Lu, G.; Wang, B.; Li, L.; Wang, Z. Combustion and emission characteristics of a gasoline/ammonia fueled SI engine and chemical kinetic analysis of NOx emissions. Fuel 2024, 367, doi:10.1016/j.fuel.2024.131516.

18. Lin, Z.; Liu, S.; Sun, Q.; Qi, Y.; Wang, Z.; Li, J. Effect of injection and ignition strategy on an ammonia direct injection-Hydrogen jet ignition (ADI-HJI) engine. Energy 2024, 306, doi:10.1016/j.energy.2024.132502.

19. Lin, Z.; Liu, S.; Sun, Q.; Qi, Y.; Wang, Z. Numerical investigation of multiple hydrogen injection in a jet ignition ammonia-hydrogen engine. International Journal of Hydrogen Energy 2024, 77, 336–346, doi:10.1016/j.ijhydene.2024.06.098.

1. Key Technologies and Industrialization of a High-Performance Three-Motor, Three-Speed Hybrid Powertrain System. China Society of Automotive Engineers (CSAE) Science and Technology Progress Award — First Prize. 6/15, 2025/10

2. High-Efficiency Multi-Mode Hybrid Powertrain System for Passenger Vehicles. China Mechanical Engineering Society (CMES) “Good Design” Award — Silver Award. 6/10, 2025/10

3. Combustion and Emission Characteristics of an Ammonia–Biofuel Dual-Fuel Engine. Automotive Engineering — 2024 Outstanding Paper Award. 5/7, 2025/10

2023—, Deputy Secretary-General, Low-Altitude Propulsion Technology Committee, Chinese Society for Internal Combustion Engines