Publications (Google Scholar)

Peer-reviewed Publications

1. Meng, Y.; Liu, F.* (co-responding author); Li, M.; Wang, Z.X.; Deng, H.; Li, M.; Zhang, Q.; Sun, Q.; Gomeza, J.; Zhao, Z.; Zhao, H.*; Ding, D.* Probing Proton Exchange Kinetics of BaZr0.1Ce0.7Y0.1Yb0.1O3-δ Ceramic Electrolyte by Operando Diffuse Reflectance Infrared Fourier Transform Spectroscopy. Energy & Environmental Science. 2026 (Accepted)

2. Li, H.X.; Wu, W.; Jin, X.F.; Tang, W.; Shoukry, Y.; Feng, W.X.; Zhao, Z.Y.; Bian, W.J.; Liu, F.; Sun, Q.W.; Wang, W.H.; Koomson, S.; Zhang, Y.C.; Benson, M.; Ding, D.*. Innovative Symmetrical Electrolyte Architecture Enables Ultra-Flat and Thermal Resilient Protonic Ceramic Electrochemical Cells. Advanced Functional Materials. 2025 (Accepted: https://doi.org/10.1002/adfm.202513396).

3. Wang, Z., Liu, F.* (Co-corresponding author), Meng, Y., Bian, W., Zhao, H.*, Duan, C., Benson, M., Li, M., Liu, B*, Ding, D.*. Comprehensive Review of Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS) Techniques in Protonic Ceramic Cells (PCCs): Current Status and Future Perspective. eScience. 2025 (accepted: https://doi.org/10.1016/j.esci.2025.100437) (Selected as the Cover Image)

4.  Li, M.; F. Liu (Co-first author); D. Ding, Critical insights into the steam electrolysis electrode in protonic ceramic cells for hydrogen production. Nature Catalysis. 2025, 8, 293 (Selected as the Cover Image)

5. Liu, F.; Diercks, D.; Kumar, P.; Seong, A.; Abdul Jabbar, M.; Gumeci, C.; Furuya, Y.;  Dale, N.; Oku, T.; Usuda, M.; Kazempoor, P.;  Ghamarian, I.; Liu, L.;  Fang, L.; Chen, D.;  Wang, Z.; Skinner, S.; Duan,  C.,  Redesigning protonic ceramic electrochemical cells to lower the operating temperature. Science Advances. 2025,  11(2), eadq2507

6. Patel, S.; Goswami, S.; Paul, P.; Liu, F.;  Zheng, S.; Sabisch, J.; Duan, C.; Venkatesan, T.; Paik, H.; Ding, H.; Kazempoor, P.; Xu, S.; Ding, D.; Ghamarian, I., Orientation microscopy–assisted grain boundary analysis for protonic ceramic cell electrolytes. Journal of the American Ceramic Society. 2025, e20371

7. Liu, F.; Deng, H.; Wang, Z.; Hussain, A. M.; Dale, N.; Furuya, Y.; Miura, Y.; Fukuyama, Y.; Ding, H.; Liu, B.; Duan, C., Synergistic effects of in-Situ exsolved Ni–Ru bimetallic catalyst on high-performance and durable direct-methane solid oxide fuel cells. Journal of the American Chemical Society. 2024, 146 (7), 4704-4715 (Selected as the Cover Image)

8. Dewa, M.; Han, J.; Fang, L.; Liu, F.; Duan, C.; Hussain, A. M.; Miura, Y.; Dong, S.; Fukuyama, Y.; Furuya, Y.; Dale, N.; Marin-Flores, O. G.; Saunders, S.; Norton, M. G.; Ha, S., NiMo/CZ internal reforming layer for ethanol-fueled metal-supported solid oxide fuel cell. International Journal of Hydrogen Energy. 2024, 50, 1408-1416

9. Patel, S.; Liu, F.; Ding, H.; Duan, C.; Ghamarian, I., On proton conduction mechanism for electrolyte materials in solid oxide fuel cells. International Journal of Hydrogen Energy. 2023, 72, 1236-1248

10. Liu, F.; Duan, C., Planar protonic ceramic electrolysis cells for H2 production and CO2 conversion. In High-Temperature Electrolysis, IOP Publishing: 2023; Chapter 14, pp 1-24.

11. Liu, F.; Ding, D.; Duan, C., Protonic ceramic electrochemical cells for synthesizing sustainable chemicals and fuels. Advanced Science. 2023, 10, 2206478

12. Liu, F.; Deng, H.; Ding, H.; Kazempoor, P.; Liu, B.;Duan, C., Process-intensified protonic ceramic fuel cells for power generation, chemical production, and greenhouse gas mitigation. Joule. 2023, 7, 1308-1332

13. Liu, F.; Deng, H.; Diercks, D.; Kumar, P.; Jabbar, M. H. A.; Gumeci, C.; Furuya, Y.; Dale, N.; Oku, T.; Usuda, M.; Kazempoor, P.; Fang, L.; Chen, D.; Liu, B.;Duan, C., Lowering the operating temperature of protonic ceramic electrochemical cells to <450 °C. Nature Energy. 2023, 8, 1145-1157

14. Fang, L.; Liu, F.; Diercks, D.; Kumar, P.; Zhao, F.; Ding, D.;Duan, C., Boosting the performance of reversible solid oxide electrochemical cells with a novel hybrid oxygen electrode, Pr1.39Ba0.14Sr0.53Co1.48Fe0.76O6−δ-Ba0.66Sr0.34CoO3−δ. Journal of Materials Chemistry A 2023, 11, 21251-21262

15. Park, Y. S.; Liu, F.; Diercks, D.; Braaten, D.; Liu, B.;Duan, C., High-performance anion exchange membrane water electrolyzer enabled by highly active oxygen evolution reaction electrocatalysts: Synergistic effect of doping and heterostructure. Applied Catalysis B: Environmental 2022, 318, 121824

16. Liu, F.; Park, Y. S.; Diercks, D.; Kazempoor, P.;Duan, C., Enhanced CO2 methanation activity of Sm0.25Ce0.75O2-δ–Ni by modulating the chelating agents-to-metal cation ratio and tuning metal–support interactions. ACS Applied Materials & Interfaces 2022, 14, 13295-13304

17. Liu, F.; Fang, L.; Diercks, D.; Kazempoor, P.;Duan, C., Rationally designed negative electrode for selective CO2-to-CO conversion in protonic ceramic electrochemical cells. Nano Energy 2022, 102, 107722

18. Liu, F.; Diercks, D.; Hussain, A. M.; Dale, N.; Furuya, Y.; Miura, Y.; Fukuyama, Y.;Duan, C., Nanocomposite catalyst for high-performance and durable intermediate-temperature methane-fueled metal-supported solid oxide fuel cells. ACS Applied Materials & Interfaces 2022, 14, 53840−53849

19. Chen, D.; Park, Y. S.; Liu, F.; Fang, L.;Duan, C., Hybrid perovskites as oxygen evolution electrocatalysts for high-performance anion exchange membrane water electrolyzers. Chemical Engineering Journal 2022, 139105

20. Liu, F., Duan Chuancheng Direct-hydrocarbon proton-conducting solid oxide fuel cells Sustainability, 2021, 13(9), 4736

21. Xu, G.; Liu, F.; Lian, J.; Wu, N.; Zhang, X.;He, J., Synthesis and optical properties of Eu3+ ion-doped La2O2S2 via a solid state reaction method using La2O2SO4 as a raw material. Ceramics International 2018, 44, 19070- 076

22. Liu, F.; Lian, J.; Wu, N.; He, J.; Zhang, X.;Liu, F., One-step solvothermal synthesis, a worm-shaped morphology and luminescence properties of green-emitting Y2O2S:Tb3+ nanophosphors. Optics & Laser Technology 2018, 99, 167-173

23. Liu, F.; Zhang, L.; Huang, G.; Niu, B.; Li, X.; Wang, L.; Zhao, J.;Jin, Y., High performance ferrite–based anode La0.5Sr0.5Fe0.9Mo0.1O3–δ for intermediate–temperature solid oxide fuel cell. Electrochimica. Acta 2017, 255, 118-126

24. Liu, F.; Lian, J.; He, J.; Zhang, X.; Wu, N.;Liu, F., Hydrothermal synthesis combined with calcination of NaGd(SO4)2 nanoparticles and their luminescent properties from single doped Eu3+ and co-doped Yb3+,Er3+. Journal of the Australian Ceramic Society 2017, 53, 847-854

25. Lian, J.; Liu, F.; Zhang, J.; Yang, Y.; Wang, X.; Zhang, Z.;Liu, F., Template-free hydrothermal synthesis of Gd2O2SO4:Eu3+ hollow spheres based on urea-ammonium sulfate (UAS) system. Optik 2016, 127, 8621-8628

Book chapter

1.  Liu, B.; Li, M.; Liu, F.; Ding, D. Catalysis for intermediate temperature chemical production and relevance to protonic ceramic electrochemical cells Specialist Periodical Reports - Catalysis. Editor: Dushyant Shekhawat. The Royal Society of Chemistry (RSC) 2025

2. Liu, F. and Duan, C. Chapter 14: Planner protonic ceramic electrolysis cells for H2 production and CO2 conversion. Book name: High-Temperature Electrolysis from Fundamentals to Applications. Editor: Werner Sitte and Rotraut Merkle. IOP Publishing Ltd 2023

Conference/Seminar/Workshops

1. Liu, F.; Wang, W.; Li, H.; Wang, Z.; Bian, W.; Zhao, Z.; Li, M.; Ding, D.; Long-term Stability Investigation of Protonic Ceramic Electrolysis Cells at Idaho National Laboratory. 248th ECS Meeting, Oct. 2025, Chicago, IL

2. Liu, F. (Invited speaker). Protonic Ceramic Electrochemical Cells for Energy Conversion and Storage, the Computational Materials Group (CMG) from the Department of Materials Science and Engineering at the University of Wisconsin-Madison. Aug. 2025, Madison, WI

3. Liu, F. (Invited speaker). Protonic Ceramic Cells for Power Generation, Hydrogen Production, and Valuable Chemical Synthesis, Department of Energy and Mineral Engineering at The Pennsylvania State University. Aug. 2025, State College, PA

4. Liu, F. (Invited speaker). Protonic Ceramic Cells for Power Generation and Hydrogen Production, College of Innovation & Technology at University of Michigan-Flint. July 2025, Flint, MI

5. Liu, F. (Invited speaker). Intermediate-temperature Protonic Ceramic Electrochemical Cells for Power Generation, Hydrogen Production and Chemical Synthesis; Graduate Seminar at Industrial and Manufacturing Systems Engineering, Carl R. Ice College of Engineering, Kansas State University, 2025, Feb. 2025, Manhattan, KS (Online)

6. Liu, F. (Invited speaker); W, Wei; Zhao, Z.; Li, H.; Wang, W.; Zhang, Y.; Sun, Q.; Wang, Z.; Ding, D., Advancing Intermediate-Temperature Protonic Ceramic Electrolysis Cells for Efficient Green Hydrogen Production at Idaho National Laboratory; 49th International Conference and Expo on Advanced Ceramics and Composites (ICACC 2025), Feb. 2025, Daytona Beach, FL

7. Liu, F. 2025 Advanced Water Splitting Technology Pathways Annual Meeting, May 2025, Scottsdale, AZ

8. Liu, F (Invited speaker): Protonic Ceramic Electrochemical Cells for Power Generation, H2 Production and CO2 Conversion; 2024 Northwest Regional Meeting, ACS, 2024, Pullman, Washington

9. Duan, C. (Invited); Liu, F., Protonic Ceramic Electrochemical Cells for Hydrogen Production and Sustainable Chemicals Synthesis. 245th ECS Meeting (May 26-30, 2024), 2024

10. Liu, F. (Invited speaker): Protonic Ceramic Electrochemical Cells for Sustainable Energy Solutions”; Graduate Seminar at Chemical Engineering, Carl R. Ice College of Engineering, Kansas State University, Feb. 2024, Manhattan, KS

11. Liu, F.; Fang, L.;Duan, C., Fuel-Flexible Ceramic Fuel Cells at Reduced Operating Temperatures. ECS Meeting Abstracts 2023, MA2023-01, 106

12. Liu, F.; Nebraska Nanoscale Facility Minicourse workshop, University of Nebraska-Lincoln, Nov. 2023, Lincoln, NE

13. Liu, F.; Fang, L.;Duan, C., Approaches to Reduce the Operating Temperature of Protonic Ceramic Electrochemical Cells to < 450°C. ECS Meeting Abstracts 2023, MA2023-02, 2261

14. Liu, F.; Deng, H.; Liu, B.;Duan, C., High Performance Protonic Ceramic Electrochemical Cells Operating at <500°C. ECS Meeting Abstracts 2023, MA2023-02, 2231

15. Liu, F.; Duan, C., Protonic Ceramic Electrochemical Cells with Dry Reforming of Methane for Electricity Generation, Chemicals Manufacturing, and Greenhouse Gas Mitigation. ECS Meeting Abstracts 2023, MA2023-01, 239

16. Abdul Jabbar, M. H.; Thompson, D.; Parrondo, J.; Gumeci, C.; Furuya, Y.; Dale, N.; Dewa, M.; Ha, S.; Liu, F.; Duan, C., Performance and Durability of Metal SOFCs in Alternate Fuels. ECS Transactions 2023, 111, 2311

17. Duan, C. (Invited); Liu, F., Selective CO2 Conversion in Protonic Ceramic Electrochemical Cells. ECS Meeting Abstracts 2022, MA2022-02, 1908

18. Duan, C. (Invited); Liu, F., Reducing the Operating Temperature of Protonic Ceramic Fuel Cells to <400 °C. ECS Meeting Abstracts 2022, MA2022-02, 1788