Under the supports from the National Natural Science Foundation of China (NSFC), China Postdoctoral Science Foundation, the Priority Academic Program Development of Jiangsu Higher Education Institute (PAPD), Dr.Jingxia Qiu has cooperated with Prof. Shanqing Zhang from Griffith University and Prof. Xintai Su from Xinjiang University and they had long-term collaboration on study of energy storage related research. Recently, they made progress on bismuth nano-sphere encapsulated in porous carbon network for robust and fast sodium storage. This work has been published on Chemical Engineering (Journal Chemical Engineering Journal, 320, 300-307).