CeO_(2)/Co_(3)O_(4) hybrid nanospheres have been successfully prepared via the thermal decomposition of CeCo-glycolate precursors.The sizes of CeCo-glycolate precursors and also their derived CeO_(2)/Co_(3)O_(4) nanos...CeO_(2)/Co_(3)O_(4) hybrid nanospheres have been successfully prepared via the thermal decomposition of CeCo-glycolate precursors.The sizes of CeCo-glycolate precursors and also their derived CeO_(2)/Co_(3)O_(4) nanospheres could be easily tuned by varying the feeding molar ratio of Ce/Co ions.The following heat treatment strongly determines the inner fine structures of CeO_(2)/Co_(3)O_(4) nanospheres,including the solid and yolk-shell ones.The as-prepared yolk-shell structured CeO_(2)/Co_(3)O_(4) sample has shown greatly enhanced activity towards catalytic CO oxidation compared to the other catalysts.Moreover,systematic characterization studies have been conducted to disclose the possible reaction pathway that is beneficial for boosting the performance of CeO_(2)/Co_(3)O_(4) catalysts.展开更多
Zn-based batteries have attracted extensive attention due to their high theoretical energy density,safety,abundant resources,environmental friendliness,and low cost.They are a new energy storage and conversion technol...Zn-based batteries have attracted extensive attention due to their high theoretical energy density,safety,abundant resources,environmental friendliness,and low cost.They are a new energy storage and conversion technology with significant development potential and have been widely used in renewable energy and portable electronic devices.Considerable attempts have been devoted to improving the performance of Zn-based batteries.Specifically,battery cycle life and energy efficiency can be improved by electrolyte modification and the construction of highly efficient rechargeable Zn anodes.This review compiles the progress of the research related to Zn anodes and electrolytes,especially in the last five years.This review will introduce fundamental concepts,summarize recent development,and inspire further systematic research for high-performance Zn-based batteries in the future.展开更多
基金supported by the Fundamental Research Funds for the Central Universities and the National Natural Science Foundation of China(Grant No.51522202 and 51972008)supported by the 111 Project(B14009).
文摘CeO_(2)/Co_(3)O_(4) hybrid nanospheres have been successfully prepared via the thermal decomposition of CeCo-glycolate precursors.The sizes of CeCo-glycolate precursors and also their derived CeO_(2)/Co_(3)O_(4) nanospheres could be easily tuned by varying the feeding molar ratio of Ce/Co ions.The following heat treatment strongly determines the inner fine structures of CeO_(2)/Co_(3)O_(4) nanospheres,including the solid and yolk-shell ones.The as-prepared yolk-shell structured CeO_(2)/Co_(3)O_(4) sample has shown greatly enhanced activity towards catalytic CO oxidation compared to the other catalysts.Moreover,systematic characterization studies have been conducted to disclose the possible reaction pathway that is beneficial for boosting the performance of CeO_(2)/Co_(3)O_(4) catalysts.
基金This work was financially supported by the National Natural Science Foundation of China(No.51925202 and 51972008).
文摘Zn-based batteries have attracted extensive attention due to their high theoretical energy density,safety,abundant resources,environmental friendliness,and low cost.They are a new energy storage and conversion technology with significant development potential and have been widely used in renewable energy and portable electronic devices.Considerable attempts have been devoted to improving the performance of Zn-based batteries.Specifically,battery cycle life and energy efficiency can be improved by electrolyte modification and the construction of highly efficient rechargeable Zn anodes.This review compiles the progress of the research related to Zn anodes and electrolytes,especially in the last five years.This review will introduce fundamental concepts,summarize recent development,and inspire further systematic research for high-performance Zn-based batteries in the future.
