首页|MOF and its derivative materials modified lithium-sulfur battery separator:a new means to improve performance
MOF and its derivative materials modified lithium-sulfur battery separator:a new means to improve performance
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In recent years,lithium-sulfur batteries(LSBs)are considered as one of the most promising new genera-tion energies with the advantages of high theoretical specific capacity of sulfur(1675 mAh·g-1),abundant sul-fur resources,and environmental friendliness storage technologies,and they are receiving wide attention from the industry.However,the problems of the shuttle effect and lithium dendrite growth in LSBs have limited their practical application,so there is a need to find ways to solve these problems.It is an excellent choice to use novel materials to modify battery materials.Among those novel materials,the metal-organic framework(MOF)has the properties of regular pores and controllable structure.When applied as a positive electrode and diaphragm,it can restrain the shuttle effect and lithium dendrite growth,especially since it shows excellent performance in dia-phragm modification.Therefore,various design strategies and synthesis methods of MOF-modified separators are reviewed in this paper,and the applications of MOF in LSBs separators in different forms are introduced,includ-ing the composite of MOF and carbon-based materials,the compounding of MOF and polymer,self-carbonization to form MOF-derived materials.At the same time,different characterization techniques are systematically reviewed to obtain the physical and chemical properties of MOF par-ticles and the working mechanism of MOF-modified dia-phragm,which provides a basis for further research in this field.Finally,some future research trends and directions are put forward to fully tap the future commercial potential of MOF-modified diaphragm in LSBs.
Rong-Wei Huang、Yong-Qi Wang、Dan You、Wen-Hao Yang、Bin-Nan Deng、Fei Wang、Yue-Jin Zeng、Yi-Yong Zhang、Xue Li
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National Local Joint Engineering Research Center for Lithium-Ion Batteries and Materials Preparation Technology,Key Laboratory of Advanced Batteries Materials of Yunnan Province,Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology,Kunming 650093,China
State Key Laboratory of Physical Chemistry of Solid Surfaces,Collaborative Innovation Centre of Chemistry for Energy Materials,State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle,Engineering Research Center of Electrochemical Technology,Ministry of Education,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,China
云南省自然科学基金Basic Research Plan(Key Project)of Yunnan ProvinceYunnan Major Scientific and Technological Projects云南省重点研发计划
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