Yijin Liu received his BS and PhD (both in optics) from the University of Science & Technology of China in 2004 and 2009, respectively. Liu is currently a staff scientist at Stanford Synchrotron Radiation Lightsource (SSRL), SLAC National Accelerator Laboratory. With over 10 years of experience in X-ray spectroscopy, microscopy, and the associated big data mining methods, Liu’s group is active in the synchrotron/FEL research. In particular, Liu’s scientific passion lies in the research of energy materials.