Two-dimensional conductive metal-organic frameworks(2D c-MOFs)with high flexibility in structure design and functionalization have inspired numerous research interests as promising multifunctional materials due to the...Two-dimensional conductive metal-organic frameworks(2D c-MOFs)with high flexibility in structure design and functionalization have inspired numerous research interests as promising multifunctional materials due to their porous structure,high conductivity,and rich redox active sites.This review offers a concise overview of 2D c-MOF syntheses and their applications in rechargeable batteries.The electron transport mechanism of 2D c-MOFs will be briefly introduced first.Then we discuss the designs and syntheses of 2D c-MOFs,emphasizing the conjugate structure for high conductivity and the redox activity for efficient energy storage.The electrochemical behaviors of the 2D c-MOFs in different rechargeable battery systems are summarized with attention to their structure-performance correlations and storage mechanism.Particular attention is paid to the significant applied potential of 2D c-MOFs in the Na-ion batteries(NIBs)and Kion batteries(KIBs),which are more sustainable battery chemistries but are plagued by the dissatisfactory battery performances due to the large size of the Na^(+)and K^(+).The challenges and opportunities regarding their efficient synthesis and rechargeable battery applications are also discussed.We expect this review will spark new endeavors to promote the further development of 2D c-MOFs for advanced rechargeable batteries.展开更多
基金supported by the National Natural Science Foundation of China(22109052,52202221,22150004)Guangdong Basic and Applied Basic Research Foundation(2022B1515020001,2024A1515010277)Guangzhou Science and Technology Program(2024A04J3899).
文摘Two-dimensional conductive metal-organic frameworks(2D c-MOFs)with high flexibility in structure design and functionalization have inspired numerous research interests as promising multifunctional materials due to their porous structure,high conductivity,and rich redox active sites.This review offers a concise overview of 2D c-MOF syntheses and their applications in rechargeable batteries.The electron transport mechanism of 2D c-MOFs will be briefly introduced first.Then we discuss the designs and syntheses of 2D c-MOFs,emphasizing the conjugate structure for high conductivity and the redox activity for efficient energy storage.The electrochemical behaviors of the 2D c-MOFs in different rechargeable battery systems are summarized with attention to their structure-performance correlations and storage mechanism.Particular attention is paid to the significant applied potential of 2D c-MOFs in the Na-ion batteries(NIBs)and Kion batteries(KIBs),which are more sustainable battery chemistries but are plagued by the dissatisfactory battery performances due to the large size of the Na^(+)and K^(+).The challenges and opportunities regarding their efficient synthesis and rechargeable battery applications are also discussed.We expect this review will spark new endeavors to promote the further development of 2D c-MOFs for advanced rechargeable batteries.
