TY  - JOUR
AU  - Wang, Chunhua
AU  - Bai, Guoliang
AU  - Yang, Yifu
AU  - Liu, Xingjiang
AU  - Shao, Huixia
PY  - 2019
TI  - Dendrite-free all-solid-state lithium batteries with lithium phosphorous oxynitride-modified lithium metal anode and composite solid electrolytes
JO  - Nano Research
SN  - 1998-0124
SP  - 217
EP  - 223
VL  - 12
IS  - 1
AB  - Dendrite formation on lithium (Li) metal anode is a key issue which hinders the development of rechargeable Li battery seriously. A novel method for suppressing Li dendrites via using Li phosphorous oxynitride (LiPON) modified Li anode and Li1.5Al0.5Ge1.5(PO4)3-poly(ethylene oxide)(Li bistrifluoromethane-sulfonimide) (LAGP-PEO(LiTFSI)) composite solid electrolyte in all-solid-state Li battery is proposed, and the effect of the thickness of LiPON on Li anode performance is also studied. LiPON film with a thickness of 500 nm exhibits satisfactory interface property between Li metal anode and the LAGP-PEO(LiTFSI) solid electrolyte. The LiPON film provides a uniform Li+ flux across the interface and effectively inhibits the formation of Li dendrites in all-solid-state Li batteries. The assembled all-solid-state Li cell Li(LiPON)/LAGP- PEO(LiTFSI)/LiFePO4 delivers an initial discharge capacity of 152.4 mAh·g-1 and exhibits good cycling stability and rate performance at 50 ℃.
UR  - https://doi.org/10.1007/s12274-018-2205-7
DO  - 10.1007/s12274-018-2205-7