Among energy storage devices,electrochemical capacitors(ECs)possessing ultrahigh power density and long-term stability have attracted numerous research interests and thus enriched our arsenal when coping with specific...Among energy storage devices,electrochemical capacitors(ECs)possessing ultrahigh power density and long-term stability have attracted numerous research interests and thus enriched our arsenal when coping with specific issues[1-10].While a large number of aqueous ECs could run well at room temperature,demand for their survival and operation under thermal extremes is rising.For example,military-grade electrochemical energy storage(EES)devices are expected to operate from-40 to 60℃ and equipment for cold climates or high altitudes can experience temperatures as low as—60℃[11].展开更多
Electrochemical CO2 reduction(ECR)represents a promising strategy for utilizing CO2,an industrial waste,as an abundant and cheap carbon source for organic synthesis as well as storing intermittent renewable electricit...Electrochemical CO2 reduction(ECR)represents a promising strategy for utilizing CO2,an industrial waste,as an abundant and cheap carbon source for organic synthesis as well as storing intermittent renewable electricity from renewable sources.Efficient electrocatalysts allowing CO2 to be reduced selectively and actively are crucial since the ECR is a complex and sluggish process producing a variety of products.Metal-organic frameworks(MOFs)and covalentorganic frameworks(COFs)have emerged as versatile materials applicable in many fields due to their unique properties including high surface areas and tunable pore channels.Besides,the emerging reticular chemistry makes tuning their features on the atomic/molecular levels possible,thereby lending credence to the prospect of their utilizations.Herein,an overview of recent progress in employing framework material-based catalysts,including MOFs,COFs and their derivatives,for ECR is provided.The pertinent challenges,future trends,and opportunities associated with those systems are also discussed.展开更多
基金financially supported by the Basic Research Project of Science and Technology Innovation Commission of Shenzhen (JCYJ20170817110251498)Guangdong Special Support for Science and Technology Leading Young Scientist (2016TQ03C919)the National Natural Science Foundation of China (21603094, 21703096, and 11775105)
文摘Among energy storage devices,electrochemical capacitors(ECs)possessing ultrahigh power density and long-term stability have attracted numerous research interests and thus enriched our arsenal when coping with specific issues[1-10].While a large number of aqueous ECs could run well at room temperature,demand for their survival and operation under thermal extremes is rising.For example,military-grade electrochemical energy storage(EES)devices are expected to operate from-40 to 60℃ and equipment for cold climates or high altitudes can experience temperatures as low as—60℃[11].
基金financially supported by the National Natural Science Foundation of China(21671096 and 11775105)Shenzhen Peacock Plan(KQTD2016022620054656)。
文摘Electrochemical CO2 reduction(ECR)represents a promising strategy for utilizing CO2,an industrial waste,as an abundant and cheap carbon source for organic synthesis as well as storing intermittent renewable electricity from renewable sources.Efficient electrocatalysts allowing CO2 to be reduced selectively and actively are crucial since the ECR is a complex and sluggish process producing a variety of products.Metal-organic frameworks(MOFs)and covalentorganic frameworks(COFs)have emerged as versatile materials applicable in many fields due to their unique properties including high surface areas and tunable pore channels.Besides,the emerging reticular chemistry makes tuning their features on the atomic/molecular levels possible,thereby lending credence to the prospect of their utilizations.Herein,an overview of recent progress in employing framework material-based catalysts,including MOFs,COFs and their derivatives,for ECR is provided.The pertinent challenges,future trends,and opportunities associated with those systems are also discussed.
