Academic Journal
An Endotenon Sheath-Inspired Double-Network Binder Enables Superior Cycling Performance of Silicon Electrodes
| العنوان: | An Endotenon Sheath-Inspired Double-Network Binder Enables Superior Cycling Performance of Silicon Electrodes |
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| المؤلفون: | Meifang Jiang, Pengzhou Mu, Huanrui Zhang, Tiantian Dong, Ben Tang, Huayu Qiu, Zhou Chen, Guanglei Cui |
| المصدر: | Nano-Micro Letters, Vol 14, Iss 1, Pp 1-13 (2022) |
| بيانات النشر: | SpringerOpen, 2022. |
| سنة النشر: | 2022 |
| المجموعة: | LCC:Technology |
| مصطلحات موضوعية: | Efficiency, Double-network binder, Silicon electrodes, Lithium battery, Technology |
| الوصف: | Abstract Silicon (Si) has been regarded as an alternative anode material to traditional graphite owing to its higher theoretical capacity (4200 vs. 372 mAh g−1). However, Si anodes suffer from the inherent volume expansion and unstable solid electrolyte interphase, thus experiencing fast capacity decay, which hinders their commercial application. To address this, herein, an endotenon sheath-inspired water-soluble double-network binder (DNB) is presented for resolving the bottleneck of Si anodes. The as-developed binder shows excellent adhesion, high mechanical properties, and a considerable self-healing capability mainly benefited by its supramolecular hybrid network. Apart from these advantages, this binder also induces a Li3N/LiF-rich solid electrolyte interface layer, contributing to a superior cycle stability of Si electrodes. As expected, the DNB can achieve mechanically more stable Si electrodes than traditional polyacrylic acid and pectin binders. As a result, DNB delivers superior electrochemical performance of Si/Li half cells and LiNi0.8Co0.1Mn0.1O2/Si full cells, even with a high loading of Si electrode, to traditional polyacrylic acid and pectin binders. The bioinspired binder design provides a promising route to achieve long-life Si anode-assembled lithium batteries. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2311-6706 2150-5551 |
| Relation: | https://doaj.org/toc/2311-6706; https://doaj.org/toc/2150-5551 |
| DOI: | 10.1007/s40820-022-00833-5 |
| URL الوصول: | https://doaj.org/article/85d19917f3784f31968e88dba0f8e268 |
| رقم الانضمام: | edsdoj.85d19917f3784f31968e88dba0f8e268 |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 23116706 21505551 |
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| DOI: | 10.1007/s40820-022-00833-5 |