Biography: Distinguished Professor of Henan Province, Doctoral supervisor. Now he is working in Key Laboratory for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, School of Materials Science and Engineering, Henan University. His research interests mainly focus on electrochromic nanomaterials and large size multifunctional devices. As the first or corresponding author, the applicant has published 28 research articles in academic journals over the past few years, such as Sci. Adv., Adv. Energy Mater., Acc. Chem. Res., ACS Energy Lett., Nano Energy etc. These publications have been commented emphatically by Nature Materials, Chem. Rev. and other academic journals for many times, and have attracted more than 3400 citations, of which six papers are identified as the ESI highly cited paper. The applicant was invited to review and arbitrate manuscripts for some academic journals, such as Nature Energy, Nature Commun. etc. Moreover, the applicant has presided over and participated in 2 national research projects each, and 5 domestic and international invention patents have been authorized.