典型文献
High entropy fluorides as conversion cathodes with tailorable electrochemical performance
文献摘要：
With the recent development of high entropy materials,an alternative approach to develop advanced functional materials with distinctive properties that show improved values compared to conventional materials has been provided.The high entropy concept was later successfully transferred to metal fluo-rides and high entropy fluorides(HEFs)were successfully synthesized.Owing to their high theoretical specific capacities in energy storage applications,HEFs were utilized as cathode materials for lithium-ion batteries(LIBs)and their underlying storage mechanisms were investigated.Instead of a step-by-step reduction of each individual metal cation,the HEFs seem to exhibit a single-step reduction process,indicating a solid solution compound instead of merely a mixture of different metal fluorides.It was also observed that the electrochemical behavior of the HEFs depends on each individual incorporated ele-ment.Therefore,by altering the elemental composition,new materials that exhibit improved electro-chemical properties can be designed.Remarkably,HEFs with seven incorporated metal elements exhibited a better cycling stability as well as a lower hysteresis compared to binary metal fluorides.These findings offer new guidelines for material design and tailoring towards high performance LIBs.
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中图分类号：
作者姓名：
Yanyan Cui;Parvathy Anitha Sukkurji;Kai Wang;Raheleh Azmi;Alexandra M.Nunn;Horst Hahn;Ben Breitung;Yin-Ying Ting;Piotr M.Kowalski;Payam Kaghazchi;Qingsong Wang;Simon Schweidler;Miriam Botros
作者机构：
Institute of Nanotechnology,Karlsruhe Institute of Technology(KIT),Hermann-von-Helmholtz-Platz 1,76344 Eggenstein-Leopoldshafen,Germany;Institute for Applied Materials-Energy Storage Systems,Karlsruhe Institute of Technology(KIT),Hermann-von-Helmholtz-Platz 1,76344 Eggenstein-Leopoldshafen,Germany;Faculty of Science,University of Waterloo,Waterloo,ON N2L 3G1,Canada;KIT-TUD-Joint Research Laboratory Nanomaterials,Technical University Darmstadt,Darmstadt 64287,Germany;Theory and Computation of Energy Materials(IEK-13),Institute of Energy and Climate Research,Forschungszentrum Jülich GmbH,52425 Jülich,Germany;Materials Synthesis and Processing(IEK-1),Institute of Energy and Climate Research,Forschungszentrum Jülich GmbH,52425 Jülich,Germany
文献出处：
引用格式：
[1]Yanyan Cui;Parvathy Anitha Sukkurji;Kai Wang;Raheleh Azmi;Alexandra M.Nunn;Horst Hahn;Ben Breitung;Yin-Ying Ting;Piotr M.Kowalski;Payam Kaghazchi;Qingsong Wang;Simon Schweidler;Miriam Botros-.High entropy fluorides as conversion cathodes with tailorable electrochemical performance)[J].能源化学,2022(09):342-351
A类：
HEFs
B类：
High,entropy,fluorides,conversion,cathodes,tailorable,electrochemical,performance,With,recent,development,high,materials,alternative,approach,advanced,functional,distinctive,properties,that,show,improved,values,compared,conventional,has,been,provided,concept,was,later,successfully,transferred,metal,were,synthesized,Owing,their,theoretical,specific,capacities,energy,storage,applications,utilized,lithium,batteries,LIBs,underlying,mechanisms,investigated,Instead,step,by,reduction,each,individual,seem,single,process,indicating,solid,solution,compound,instead,merely,mixture,different,It,also,observed,behavior,depends,incorporated,Therefore,altering,elemental,composition,new,can,designed,Remarkably,seven,elements,exhibited,better,cycling,stability,well,lower,hysteresis,binary,These,findings,offer,guidelines,tailoring,towards
AB值：
0.540602
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