The effects of amino groups and open metal sites of MOFs on polymer-based electrolytes for all-solid-state lithium metal batteries

被引:35
作者
Lu, Jiahao [1 ]
Wang, Zhimeng [1 ]
Zhang, Qi [1 ]
Sun, Cheng [1 ]
Zhou, Yanyan [1 ]
Wang, Sijia [1 ]
Qiu, Xiangyun [2 ]
Xu, Shoudong [3 ]
Chen, Rentian [1 ,4 ]
Wei, Tao [1 ]
机构
[1] Jiangsu Univ Sci & Technol, Sch Energy & Power, Zhenjiang 212003, Peoples R China
[2] Qingdao Univ, Coll Mech & Elect Engn, Power & Energy Storage Syst Res Ctr, Qingdao 266071, Peoples R China
[3] Taiyuan Univ Technol, Coll Chem Engn & Technol, Taiyuan 030024, Peoples R China
[4] Natl Res Ogarev Mordovia State Univ, Inst Mech & Energy, Saransk 430000, Russia
来源
CHINESE JOURNAL OF CHEMICAL ENGINEERING | 2023年 / 60卷
基金
中国国家自然科学基金;
关键词
Solid composite electrolytes; NH2-MIL-101(Fe); All solid-state lithium metal batteries; Metal-organic frameworks (MOFs); Open metal sites (OMSs); ORGANIC FRAMEWORK; COMPOSITE ELECTROLYTES; POLY(ETHYLENE OXIDE); PERFORMANCE; MEMBRANE;
D O I
10.1016/j.cjche.2023.01.011
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Metal-organic frameworks (MOFs) are becoming more and more popular as the fillers in polymer elec-trolytes in recent years. In this study, a series of MOFs (NH2-MIL-101(Fe), MIL-101(Fe), activated NH2- MIL-101(Fe) and activated MIL-101(Fe)) were synthesized and added to PEO-based solid composite elec-trolytes (SCEs). Furthermore, the role of the -NH2 groups and open metal sites (OMSs) were both exam-ined. Different ratios of MOFs vs polymers were also studied by the electrochemical characterizations. At last, we successfully designed a novel solid composite electrolyte containing activated NH2-MIL-101(Fe), PEO, LiTFSI and PVDF for the high-performance all-solid-state lithium-metal batteries. This work might provide new insight to understand the interactions between polymers and functional groups or OMSs of MOFs better.& COPY; 2023 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
引用
收藏
页码:80 / 89
页数:10
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