Covalent SiOx-Coated Separator

Dendrite-proof, zero added thickness

An ultrathin conformal SiOx coating covalently anchored onto polyolefin separators, simultaneously improving electrolyte wettability, mechanical strength, and thermal stability without any thickness increase, providing reliable dendrite suppression for lithium metal batteries.

Zhang, Yulin · Lu, Jianhao · Jin, Zhaoqing · Xintai, xie · Wei, Lei · Li, Pengfei · Zhao, Yao · Zhao, Jiachang · Xu, Caihong · Wang, Weikun · Zhang, Zongbo

Advanced Functional Materials 2025

Specifications

Coating thickness

{'zh': '', 'en': '20'} nm

软包电池稳定循环

{'zh': '70', 'en': ''} 圈

硫载量

{'zh': '9', 'en': ''} mg cm⁻²

Advantages

No increase in separator thickness