Advanced Functional Materials·· 5 小时前精选AI 评分62
芳纶支撑形状记忆隔膜在140°C收缩孔道关断离子传输
Dynamic Reconstruction of Ion Transport Pathways by a Shape Memory Separator for Safer Lithium Metal Batteries
AI 导读
研究报道了一种芳纶支撑的形状记忆隔膜，在芳纶多孔骨架上光聚合共价交联的PETMP-TMPTA-IBOA网络，常温下离子电导率为0.29 mS cm⁻¹，支持锂沉积/剥离超过3000 h。
推荐理由
隔膜把升温转化为孔道收缩与离子传输关断，为锂金属电池的热失控防护提供了一条可迁移的结构设计思路。
创新点
把形状记忆网络的热机械重排用于收缩贯通孔道，使升温同时触发离子传输关断，而非仅依赖隔膜熔断或尺寸失效。
图表、补充材料与最终表述以原文为准。阅读原文
来源：Advanced Functional Materials · doi.org
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