Since 2000, he has published more than 100 papers in domestic and foreign SCI/EI professional academic journals and international conferences. He is now participating in the national “973” major basic research project, undertaking the National Natural Science Foundation, the Ministry of Education Doctoral Program Fund, the Shanxi Provincial Returned Overseas Students Fund, Shanxi Provincial Key Research and Sinopec horizontal cooperation projects, etc. It has trained 9 doctoral students and currently supervises 8 doctoral students, 1 postdoctoral fellow and several masters. The main research directions of the research group are: synthesis and performance research of zeolite molecular sieve inorganic porous materials, preparation and performance research of inorganic biomimetic enzyme catalysts, synthesis and application of adsorption materials, and industrial catalysis of inorganic porous materials. 1. Li Ruifeng, Yang Huaixin, Song Fen, Xie Kechang, Hou Meifang, preparation method of nanozeolite, patent authorization number: 00136553.3, (authorization announcement date: January 7, 2004)
2. Li Ruifeng , Fan Binbin, Fan Weibin, Ma Jinghong, Tian Zhen, Preparation of metal complex molecular sieve composite materials, patent authorization number: 00117838.5, (authorization announcement date: February 4, 2004)
3. Ma Jinghong, Li Ruifeng, Ren Shuhua , Pan Dahai, Xie Kechang, Preparation of zeolite-supported polymer metal clusters, patent authorization number: 02135408.1, (authorization announcement date: March 3, 2004)
4. Li Ruifeng, Guo Qun, Li Zhifeng, Sun Wanfu, Chen Ping, Ling Fengxiang, Ma Jinghong, double micropore zeolite molecular sieve and preparation method, patent authorization number: ZL200410012333.2, (authorization announcement date: April 4, 2007)
5. Fan Binbin, Song Minggang , Jinchun, Fan Weibin, Li Ruifeng, Preparation of metal complex aluminum phosphate molecular sieve composite materials, patent authorization number: 200410064538.5, (authorization announcement date: April 4, 2007)
6. Li Ruifeng, Chen Ping , Li Zhifeng, Ling Fengxiang, Guo Qun, Ma Jinghong, Sun Wanfu, twelve-membered ring double microporous composite molecular sieve and preparation method, patent authorization number: 200410012336.6, (authorization announcement date: May 9, 2007)
7. Ma Jinghong, Cui Xiaojing, Mao Jiping, Chen Ping, Li Ruifeng, a method for deep dearomatics desulfurization of solvent oil, patent authorization number: 200610012777.5, (authorization announcement date: February 6, 2008)
8 . Ma Jinghong, Bai Rong, Zhao Zhonglin, Yu Feng, Cui Xingyu, Li Ruifeng, a preparation method of high adsorption capacity molecular sieve adsorbent, patent authorization number: 200610102045.5, (authorization announcement date: April 2, 2008)
< p>9. Li Ruifeng, Li Fuxiang, Zhang Xiangdi, Guo Qun, Xie Kechang, synthesis method of mesoporous zirconium dioxide molecular sieve, patent authorization number: 200410064503.1, (authorization announcement date: December 31, 2008)10. Li Fuxiang, Li Ruifeng, Zhang Xiangdi, Guo Qun, Xie Kechang, a zirconium-silicon mesoporous molecular sieve and its synthesis method, patent authorization number: 200410064502.7, (authorization announcement date: December 31, 2008)
11. Ma Jinghong, Zhao Zhonglin, Cheng Wenping, Li Ruifeng, Cui Xingyu, preparation method of high adsorption capacity zeolite molecular sieve adsorbent, patent authorization number: 200510012550.6, (authorization announcement date: March 25, 2009)
12 . Li Ruifeng, Li Fuxiang, Zhou Meimei; Yu Feng, Liang Dong, Wang Yan, Xie Kechang, one-pot synthesis of super acidic mesoporous materials and preparation method, patent authorization number: 200710061628.2, (authorization announcement date: June 10, 2009)
13. Li Ruifeng, Liang Dong, Yu Feng, Ma Jinghong, Wang Yan, Du Xiongwei, a hollow mesoporous molecular sieve ball and its preparation method, patent application number: 200810054676.3.
14. Ma Jinghong, Du Xiongwei, Cui Xingyu, Li Ruifeng, a method for preparing zeolite/activated carbon composite materials, patent application number: 200710185227.8, (publication date: 2007.11.8, authorization notice has been received)
15. Li Ruifeng, Zheng Jiajun, Zhang Xiwen, Ma Jinghong, Sun Wanfu, Ling Fengxiang, core-shell structure binary composite zeolite and its preparation method, patent application number: 200710139691.3
16. Li Ruifeng , Liang Dong, Chen Jianjian, Zhang Xiwen, Wang Yan, Ma Jinghong, Yu Feng, Xie Kechang, Spherical heteroatom mesoporous molecular sieve and its preparation method, patent application number: 200710139435.4
17. Li Ruifeng, Zheng Jiajun , Zhang Xiwen, Guo Qun, Yu Feng, Ling Fengxiang, Ma Jinghong, Sun Wanfu, a dual micropore zeolite and its preparation method, patent application number: 200710062253.1
18. Li Ruifeng; Qin Bo; Zhang Xiwen; Guo Qun; Sun Wanfu; Ma Jinghong, double microporous high-silica composite molecular sieve and its preparation method, patent application number: 200610048273.9
19. Fan Binbin; Jinchun; Song Minggang; Li Ruifeng; Ma Jinghong, preparation method of hydrogenation catalyst, Patent application number: 200610012477.7 (authorization announcement date: 2006.09.13)
20. Fan Binbin; Li Hongyu; Cui Xingyu; Fan Weibin; Li Ruifeng, Preparation of organotin functionalized periodic mesoporous silicone, patent application number: 200810054982.7
21. Fan Binbin; Cui Xingyu; Li Hongyu; Fan Weibin; Li Ruifeng, a method of functionalizing periodic mesoporous silicone, patent application number: 200810054984