An Endotenon Sheath-Inspired Double-Network Binder Enables Superior Cycling Performance of Silicon Electrodes,Nano-Micro Letters

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An Endotenon Sheath-Inspired Double-Network Binder Enables Superior Cycling Performance of Silicon Electrodes
Nano-Micro Letters ( IF 31.6 ) Pub Date : 2022-04-01 , DOI: 10.1007/s40820-022-00833-5
Meifang Jiang _{1,

2} , Pengzhou Mu _{1,

3} , Huanrui Zhang ₁ , Tiantian Dong _{1,

2} , Ben Tang ₁ , Huayu Qiu ₁ , Zhou Chen ₁ , Guanglei Cui ₁

Affiliation

The double-network binder shows excellent adhesive and self-healing abilities, which help suppress electrode volume expansion and stabilize the electrode interface upon cycling.
This binder induces a Li₃N/LiF-rich solid electrolyte interface layer, which can suppress continuous electrolyte decomposition.
Superior electrochemical performance can be achieved in Si/Li half cells and LiNi_0.8Co_0.1Mn_0.1O₂/Si full cells, even with a high loading of Si electrode.