He is engaged in basic and applied research work in the field of solid oxide batteries. Through the design of new electrode materials and the research of electron/ion transport mechanism, he develops efficient electrochemical energy conversion technology and develops high-performance electrochemical energy conversion devices. He has presided over the National Natural Science Foundation Youth Project, the Academic start-up plan for young teachers of Beijing Institute of Technology and the horizontal research projects of enterprises and institutions, and participated in a number of national key research and development plans and military vertical projects.

(1) Solid oxide fuel cell cathode materials and single cell development
(2) Rational design of oxygen electrode materials in proton ceramic electrolytic cell and study on ion transport mechanism

2015.09-2020.09 Beijing Institute of Technology, Chemical Engineering and Technology Major, Doctor of Engineering
2011.09-2015.06 Beijing Institute of Technology, Energy Chemical Engineering, Bachelor of Engineering

2023.02-present Associate Professor, School of Chemistry and Chemical Engineering, Beijing Institute of Technology
2020.11-2023.02 Postdoc, School of Materials, Beijing Institute of Technology

迄今作为第一/通讯作者在国际学术期刊发表SCI学术论文8篇，代表性成果如下：
[1] Ren R, Yu X, Wang Z, et al. Fluorination inductive effect enables rapid bulk proton diffusion in BaCo0.4Fe0.4Zr0.1Y0.1O3-δ perovskite oxide for high-activity protonic ceramic fuel cell cathode. Applied Catalysis B-Environmental, 2022, 317.
[2] Ren R, Wang Z, Xu C, et al. Tuning the defects of the triple conducting oxide 2BaCo0.4Fe0.4Zr0.1Y0.1O3-δ perovskite toward enhanced cathode activity of protonic ceramic fuel cells. Journal of Materials Chemistry A, 2019, 7(31): 18365-18372.
[3] Ren R, Sun J, Wang G, et al. Rational design of Sr2Fe1.5Mo0.4Y0.1O6-δ oxygen electrode with triple conduction for hydrogen production in protonic ceramic electrolysis cell. Separation and Purification Technology, 2022, 299.
[4] Ren R, Wang Z, Meng X, et al. Boosting the Electrochemical Performance of Fe-Based Layered Double Perovskite Cathodes by Zn2+ Doping for Solid Oxide Fuel Cells. ACS Applied Materials & Interfaces, 2020, 12(21): 23959-23967.
[5] Ren R, Wang Z, Meng X, et al. Tailoring the Oxygen Vacancy to Achieve Fast Intrinsic Proton Transport in a Perovskite Cathode for Protonic Ceramic Fuel Cells. ACS Applied Energy Materials, 2020, 3(5): 4914-4922.
[6] Sun J, Ren R*, Yue H, et al. High-entropy perovskite oxide BaCo0.2Fe0.2Zr0.2Sn0.2Pr0.2O3-δ with triple conduction for the air electrode of reversible protonic ceramic cells. Chinese Chemical Letters, 2023, 34(7): 107776.
[7] 一种全高熵质子陶瓷燃料电池及其制备方法，中国，CN202211480768.4，2023.03.
[8] 一种高熵钙钛矿阴极材料及其制备方法和应用，中国，CN202211480991.9，2023.03.