Yuping Wu, PhD, is Full Professor at the School of Energy Science and Engineering, Nanjing Tech University in Nanjing, China. He has published more than 360 papers, won many awards such as Distinguished Youth Scientists from NSFC, China, and was selected as one of the Most Influential Minds from Highly Cited Researchers over the World in 2015. Rudolf Holze, PhD, is Full Professor of Physical Chemistry and Electrochemistry at Chemnitz University of Technology. Germany, at St. Petersburg State University, Russia, Distinguished Professor at Nanjing Tech University, China, and an ordinary member of the Saxon Academy of Sciences. He has authored nine books and more than 450 research articles.