Tuning the composition of perovskite oxides results in double perovskites with cation ordering.One of the most important families of double perovskites is A_(2)B′B″O6.With great structural variability,A_(2)B′B″O6 ...Tuning the composition of perovskite oxides results in double perovskites with cation ordering.One of the most important families of double perovskites is A_(2)B′B″O6.With great structural variability,A_(2)B′B″O6 are promising candidates for a broad range of applications such as magnetic,optical,electrical,and catalytic applications.Rare earth elements,as the ensemble of fifteen lanthanide elements as well as yttrium and scandium,represent an important part of the periodic table due to their unique 4f electrons.The incorporation of rare earth elements into double perovskites may open great opportunities to novel properties and applications.A significant number of rare earth A_(2)B′B″O6 double perovskites have been reported.However,there is no systematic overview of these materials to date.In this review,we summarize the compositions,syntheses,and applications of rare earth A_(2)B′B″O6 double perovskites.We hope that it will encourage more researchers to enter this emerging area.展开更多
Rare earth elements,a collective name for 17 metallic elements of scandium,yttrium,and lanthanides of Group IIIB in the chemical periodic table with unique properties.Exploring the application of rare earth elements i...Rare earth elements,a collective name for 17 metallic elements of scandium,yttrium,and lanthanides of Group IIIB in the chemical periodic table with unique properties.Exploring the application of rare earth elements in the field of advanced energy storage devices is greatly interesting owing to their special properties.This review focuses on the current research status of rare earth elements in the field of aqueous rechargeable zinc batteries,including the cathode,anode and electrolyte,and the corresponding unique role of rare earth elements in the enhancement of performance,such as the improvement of capacity,reinforcement of electrochemical kinetics,and stabilized cycling performance at higher current density.Finally,promising strategies for developing high-performance aqueous zinc batteries are pointed out by utilizing rare earth elements from the aspects of cathode doping,anode modification,and electrolyte optimization.展开更多
基金support from the China National Funds for Excellent Young Scientists(21522106)the National Key R&D Program of China(2017YFA0208000)+1 种基金the Open Funds(RERU2019001)of the State Key Laboratory of Rare Earth Resource Utilization111 Project(B18030)from China is gratefully acknowledged.
文摘Tuning the composition of perovskite oxides results in double perovskites with cation ordering.One of the most important families of double perovskites is A_(2)B′B″O6.With great structural variability,A_(2)B′B″O6 are promising candidates for a broad range of applications such as magnetic,optical,electrical,and catalytic applications.Rare earth elements,as the ensemble of fifteen lanthanide elements as well as yttrium and scandium,represent an important part of the periodic table due to their unique 4f electrons.The incorporation of rare earth elements into double perovskites may open great opportunities to novel properties and applications.A significant number of rare earth A_(2)B′B″O6 double perovskites have been reported.However,there is no systematic overview of these materials to date.In this review,we summarize the compositions,syntheses,and applications of rare earth A_(2)B′B″O6 double perovskites.We hope that it will encourage more researchers to enter this emerging area.
基金supported by the National Natural Science Foundation of China(Grant No.52172263)the Hunan Natural Science Fund for Distinguished Young Scholar(2021JJ10064)the Natural Science Foundation of Hunan Province(Grant No.2022JJ30051).
文摘Rare earth elements,a collective name for 17 metallic elements of scandium,yttrium,and lanthanides of Group IIIB in the chemical periodic table with unique properties.Exploring the application of rare earth elements in the field of advanced energy storage devices is greatly interesting owing to their special properties.This review focuses on the current research status of rare earth elements in the field of aqueous rechargeable zinc batteries,including the cathode,anode and electrolyte,and the corresponding unique role of rare earth elements in the enhancement of performance,such as the improvement of capacity,reinforcement of electrochemical kinetics,and stabilized cycling performance at higher current density.Finally,promising strategies for developing high-performance aqueous zinc batteries are pointed out by utilizing rare earth elements from the aspects of cathode doping,anode modification,and electrolyte optimization.
