Phosphazene Additive

Stable 4.5 V, 300 cycles

With only 2% additive, it forms a stable CEI in ether-based electrolytes for long-cycling high-voltage lithium metal batteries.

Liu, Guoqing · Hao, Yu · Zhu, Tao · Hao, Jia · Xinxin, Dong · Liu, Wei · Sun, Jun · Gu, Xiaoyu · Zhang, Sheng

Nano Energy 2025

Specifications

电池

{'zh': '4.5', 'en': ''} V

Advantages

Only 2% additive enables 99.69% Li plating/stripping coulombic efficiency

Suppresses HF generation from LiPF6 hydrolysis

Significantly enhances flame retardancy of pouch cells