Sulfur-Mediated Gradient Interphase

Elastic and Stable Interphase

Constructs a gradient interphase on silicon anodes via domino reactions of sulfur and FEC, endowing strong elasticity and chemomechanical stability, enabling high-energy Si-based batteries with improved cycling life.

Zhou, Jing · Song, Ziyu · Qiao, Ronghan · Yang, Yang · Yu, Hailong · Ben, Liubin · Armand, Michel B. · Zhang, Heng · Zhou, Zhi · Huang, Xuejie

Journal of the American Chemical Society 2023

Specifications

次循环后容量保持率
{'zh': '88.8', 'en': ''} %

Advantages

622.2 Wh kg⁻¹ for prototype Si||NCM811 cells