Advanced Energy Materials· Seokjin Kim,
Kiran Raj,
Weijiang Xue,
Hyoung Jun Lim,
Ju Li,
Jaekyung Sung·· 2026-09-27AI 评分36
链网络微硅电极诱导内部等静压应力,实现高能量高功率固态电池
Chain‐Networked Micro‐Silicon Electrodes Inducing Internal Isostatic Compressive Stress for High‐Energy and High‐Power Solid‐State Batteries
模型导读
一种链式网络(CN)微硅电极架构通过单壁碳纳米管紧密包裹并互连微米硅颗粒,在嵌锂时施加压应力、分散内部应变,抑制裂纹与空洞形成。该CN-Si电极在3C下容量保持率达78%,与NCM811正极配对的全电池在5C高倍率下循环3000次后容量保持78.8%,性能显著优于采用聚合物或炭黑粘结剂的传统硅电极。
来源:Advanced Energy Materials · advanced.onlinelibrary.wiley.com