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Building Organic/Inorganic Hybrid Interphases for Fast Interfacial Transport in Rechargeable Metal Batteries
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Qing Zhao Zhengyuan Tu Shuya Wei Kaihang Zhang Snehashis Choudhury Xiaotun Liu Prof. Lynden A. Archer 《Angewandte Chemie (International ed. in English)》2018,57(4):992-996
We report a facile in situ synthesis that utilizes readily accessible SiCl4 cross‐linking chemistry to create durable hybrid solid–electrolyte interphases (SEIs) on metal anodes. Such hybrid SEIs composed of Si‐interlinked OOCOR molecules that host LiCl salt exhibit fast charge‐transfer kinetics and as much as five‐times higher exchange current densities, in comparison to their spontaneously formed analogues. Electrochemical analysis and direct optical visualization of Li and Na deposition in symmetric Li/Li and Na/Na cells show that the hybrid SEI provides excellent morphological control at high current densities (3–5 mA cm?2) for Li and even for notoriously unstable Na metal anodes. The fast interfacial transport attributes of the SEI are also found to be beneficial for Li‐S cells and stable electrochemical cycling was achieved in galvanostatic studies at rates as high as 2 C. Our work therefore provides a promising approach towards rational design of multifunctional, elastic SEIs that overcome the most serious limitations of spontaneously formed interphases on high‐capacity metal anodes. 相似文献
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Cover Picture: Engineering Multifunctional Capsules through the Assembly of Metal–Phenolic Networks (Angew. Chem. Int. Ed. 22/2014)
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Junling Guo Dr. Yuan Ping Dr. Hirotaka Ejima Dr. Karen Alt Mirko Meissner Joseph J. Richardson Dr. Yan Yan Prof. Karlheinz Peter Prof. Dominik von Elverfeldt Assoc. Prof. Christoph E. Hagemeyer Prof. Frank Caruso 《Angewandte Chemie (International ed. in English)》2014,53(22):5475-5475
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Cover Feature: Two‐Dimensional Co@N‐Carbon Nanocomposites Facilely Derived from Metal–Organic Framework Nanosheets for Efficient Bifunctional Electrocatalysis (Chem. Asian J. 11/2018)
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Jingkun Cong Dr. Hui Xu Mengting Lu Yuhang Wu Yuwen Li Panpan He Prof. Dr. Junkuo Gao Prof. Dr. Juming Yao Prof. Dr. Shiqing Xu 《化学:亚洲杂志》2018,13(11):1387-1387