High-density development is becoming an inevitable tendency in Chinese urbanization. In this study,the application of natural ventilation in high-density urban development is discussed. Based on the domestic and forei...High-density development is becoming an inevitable tendency in Chinese urbanization. In this study,the application of natural ventilation in high-density urban development is discussed. Based on the domestic and foreign study on natural ventilation,indoor and outdoor natural ventilated strategies,and the application on natural ventilation in underground space development are analyzed. From the study,the relationship between passive and active ventilated technologies is interpreted into what is described to be synergistic,complementary and additive.展开更多
Typically,rational interfacial engineering can effectively modify the adsorption energy of active hydrogen molecules to improve water splitting efficiency.NiFe layered double hydroxide(NiFe LDH)composite,an efficient ...Typically,rational interfacial engineering can effectively modify the adsorption energy of active hydrogen molecules to improve water splitting efficiency.NiFe layered double hydroxide(NiFe LDH)composite,an efficient oxygen evolution reaction(OER)catalyst,suffers from slow hydrogen evolution reaction(HER)kinetics,restricting its application for overall water splitting.Herein,we construct the hierarchical MoS_(2)/NiFe LDH nanosheets with a heterogeneous interface used for HER and OER.Benefiting the hierarchical heterogeneous interface optimized hydrogen Gibbs free energy,tens of exposed active sites,rapid mass-and charge-transfer processes,the MoS_(2)/NiFe LDH displays a highly efficient synergistic electrocatalytic effect.The MoS_(2)/NiFe LDH electrode in 1 mol/L KOH exhibits excellent HER activity,only 98 mV overpotential at 10 mA/cm^(2).Significantly,when it assembled as anode and cathode for overall water splitting,only 1.61 V cell voltage was required to achieve 10 mA/cm^(2)with excellent durability(50 h).展开更多
基金Sponsored by the 12th Five-year National Science and Technology Support Program:Research on the Key Technologies of Efficiency Optimization of High-density Urban Space(Grant No.2012BAJ15B03)
文摘High-density development is becoming an inevitable tendency in Chinese urbanization. In this study,the application of natural ventilation in high-density urban development is discussed. Based on the domestic and foreign study on natural ventilation,indoor and outdoor natural ventilated strategies,and the application on natural ventilation in underground space development are analyzed. From the study,the relationship between passive and active ventilated technologies is interpreted into what is described to be synergistic,complementary and additive.
基金financially supported by National Natural Science Foundation of China(Nos.21875048 and 21905063)Outstanding Youth Project of Guangdong Natural Science Foundation(No.2020B1515020028)+1 种基金Guangdong Natural Science Foundation(No.2021A1515010066)Science and Technology Research Project of Guangzhou(Nos.201904010052 and 202002010007)。
文摘Typically,rational interfacial engineering can effectively modify the adsorption energy of active hydrogen molecules to improve water splitting efficiency.NiFe layered double hydroxide(NiFe LDH)composite,an efficient oxygen evolution reaction(OER)catalyst,suffers from slow hydrogen evolution reaction(HER)kinetics,restricting its application for overall water splitting.Herein,we construct the hierarchical MoS_(2)/NiFe LDH nanosheets with a heterogeneous interface used for HER and OER.Benefiting the hierarchical heterogeneous interface optimized hydrogen Gibbs free energy,tens of exposed active sites,rapid mass-and charge-transfer processes,the MoS_(2)/NiFe LDH displays a highly efficient synergistic electrocatalytic effect.The MoS_(2)/NiFe LDH electrode in 1 mol/L KOH exhibits excellent HER activity,only 98 mV overpotential at 10 mA/cm^(2).Significantly,when it assembled as anode and cathode for overall water splitting,only 1.61 V cell voltage was required to achieve 10 mA/cm^(2)with excellent durability(50 h).
