Yong Zhang was born in Sichuan, China, in 1969. She received the M.S. degree in physical chemistry from Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, in 1994. She is an associate professor with Superconductivity Research and Development Center, Southwest Jiaotong University (SWJTU), Chengdu. She is currently pursuing the Ph.D. degree at SWJTU. Her research interests include the processing and applications of superconducting materials. e-mail: yongzhang@home. swjtu.edu.cn. Zhi-Huan Wu was born in Sichuan, China, in 1980. He received the M.S. degree in Materials from Superconductivity Research and Development Center, SWJTU, in 2007. He is currently a research fellow with Zhejiang Anbang Company. His research interests include properties and preparation of NaxCoO2. Cui-Hua Cheng was born in Wuhan, China, in 1960. She received the Ph.D. degree in materials science from School of Materials Science and Engineering, University of New South Wales, Australia, in 2002. She is currently a research fellow with the University of New South Wales, Australia. Her research interests include the processing and physical properties of superconducting and magnetic materials. Yong Zhao was born in Wuhan, China, in 1960. He received the Ph.D. degree in condensed matter physics from the University of Science and Technology of China, in 1988. He has engaged in the superconductivity research since 1985. He is currently a professorial research fellow with the the University of New South Wales, Australia, and also the leader for superconductivity research in the Southwest Jiaotong University. His research interests mainly include the processing and physical properties of superconducting and magnetic materials. e-mail: y.zhao@unsw.edu.au.