1. Chengdu Development Center of Science and Technology of CAEP, Chengdu 610207, Sichuan, P. R. China
2. Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621000, Sichuan, P. R. China
3. Sichuan New Li-idea Energy Science and Technology Co., LTD, Shehong 629200, Sichuan, P. R. China