Given the“double carbon”objective and the drive toward low-carbon power,investigating the integration and interaction within the carbon-electricity market can enhance renewable energy utilization and facilitate ener...Given the“double carbon”objective and the drive toward low-carbon power,investigating the integration and interaction within the carbon-electricity market can enhance renewable energy utilization and facilitate energy conservation and emission reduction endeavors.However,further research is necessary to explore operational optimization methods for establishing a regional energy system using Power-to-Hydrogen(P2H)technology,focusing on participating in combined carbon-electricity market transactions.This study introduces an innovative Electro-Hydrogen Regional Energy System(EHRES)in this context.This system integrates renewable energy sources,a P2H system,cogeneration units,and energy storage devices.The core purpose of this integration is to optimize renewable energy utilization and minimize carbon emissions.This study aims to formulate an optimal operational strategy for EHRES,enabling its dynamic engagement in carbon-electricity market transactions.The initial phase entails establishing the technological framework of the electricity-hydrogen coupling system integrated with P2H.Subsequently,an analysis is conducted to examine the operational mode of EHRES as it participates in carbon-electricity market transactions.Additionally,the system scheduling model includes a stepped carbon trading price mechanism,considering the combined heat and power generation characteristics of the Hydrogen Fuel Cell(HFC).This facilitates the establishment of an optimal operational model for EHRES,aiming to minimize the overall operating cost.The simulation example illustrates that the coordinated operation of EHRES in carbon-electricity market transactions holds the potential to improve renewable energy utilization and reduce the overall system cost.This result carries significant implications for attaining advantages in both low-carbon and economic aspects.展开更多
以Cu片为基体,在氯化胆碱-乙二醇深共熔体系中电沉积制备Ni-Mo合金镀层,借助EIS,SEM,EDS和XRD等手段分析Ni-Mo合金镀层沉积动力学,探讨极化电位对Ni-Mo合金镀层电催化析氢性能的影响规律。结果表明:随着极化电位的增加,Ni-Mo合金镀层经...以Cu片为基体,在氯化胆碱-乙二醇深共熔体系中电沉积制备Ni-Mo合金镀层,借助EIS,SEM,EDS和XRD等手段分析Ni-Mo合金镀层沉积动力学,探讨极化电位对Ni-Mo合金镀层电催化析氢性能的影响规律。结果表明:随着极化电位的增加,Ni-Mo合金镀层经历从纳米Ni,Ni+MoO_(2)(MoO_(2)Ni_(4))和Ni_(4)Mo成分演变过程,说明电位驱动是影响Ni-Mo合金镀层成分变化的重要原因。当极化电位为-1.4 V vs Ag时,Ni-Mo-1.4合金镀层具有优良的析氢催化活性和催化稳定性,其在10 mA·cm^(-2)电流密度下的析氢过电位仅为51 mV,Tafel斜率为48.7 mV·dec^(-1),循环催化1000周次后在100 mA·cm^(-2)电流密度下的析氢过电位下降较小(Δη100=11 mV)。展开更多
基金supported financially by InnerMongoliaKey Lab of Electrical Power Conversion,Transmission,and Control under Grant IMEECTC2022001the S&TMajor Project of Inner Mongolia Autonomous Region in China(2021ZD0040).
文摘Given the“double carbon”objective and the drive toward low-carbon power,investigating the integration and interaction within the carbon-electricity market can enhance renewable energy utilization and facilitate energy conservation and emission reduction endeavors.However,further research is necessary to explore operational optimization methods for establishing a regional energy system using Power-to-Hydrogen(P2H)technology,focusing on participating in combined carbon-electricity market transactions.This study introduces an innovative Electro-Hydrogen Regional Energy System(EHRES)in this context.This system integrates renewable energy sources,a P2H system,cogeneration units,and energy storage devices.The core purpose of this integration is to optimize renewable energy utilization and minimize carbon emissions.This study aims to formulate an optimal operational strategy for EHRES,enabling its dynamic engagement in carbon-electricity market transactions.The initial phase entails establishing the technological framework of the electricity-hydrogen coupling system integrated with P2H.Subsequently,an analysis is conducted to examine the operational mode of EHRES as it participates in carbon-electricity market transactions.Additionally,the system scheduling model includes a stepped carbon trading price mechanism,considering the combined heat and power generation characteristics of the Hydrogen Fuel Cell(HFC).This facilitates the establishment of an optimal operational model for EHRES,aiming to minimize the overall operating cost.The simulation example illustrates that the coordinated operation of EHRES in carbon-electricity market transactions holds the potential to improve renewable energy utilization and reduce the overall system cost.This result carries significant implications for attaining advantages in both low-carbon and economic aspects.
文摘以Cu片为基体,在氯化胆碱-乙二醇深共熔体系中电沉积制备Ni-Mo合金镀层,借助EIS,SEM,EDS和XRD等手段分析Ni-Mo合金镀层沉积动力学,探讨极化电位对Ni-Mo合金镀层电催化析氢性能的影响规律。结果表明:随着极化电位的增加,Ni-Mo合金镀层经历从纳米Ni,Ni+MoO_(2)(MoO_(2)Ni_(4))和Ni_(4)Mo成分演变过程,说明电位驱动是影响Ni-Mo合金镀层成分变化的重要原因。当极化电位为-1.4 V vs Ag时,Ni-Mo-1.4合金镀层具有优良的析氢催化活性和催化稳定性,其在10 mA·cm^(-2)电流密度下的析氢过电位仅为51 mV,Tafel斜率为48.7 mV·dec^(-1),循环催化1000周次后在100 mA·cm^(-2)电流密度下的析氢过电位下降较小(Δη100=11 mV)。
