1.The crucial role of heating decarbonization in achieving carbon neutrality in China by 2060,The decarbonization of heating,in both buildings and industries,presents a major challenge and opportunity for China if the...1.The crucial role of heating decarbonization in achieving carbon neutrality in China by 2060,The decarbonization of heating,in both buildings and industries,presents a major challenge and opportunity for China if the nation is going to meet its 2060 commitment to carbon neutrality.Currently,as shown in Fig.1(a)[1],the buildings and industrial sectors share the largest proportion(more than 70%)of end-use energy demand in China.In the buildings sector,heating accounts for half of the energy demand[2];in the industrial sector,50%-70%of the energy demand is for process heating[3].As summarized in Fig.1(b)[3],heating demand in the buildings sector usually requires temperatures below 80℃;in different areas of the industrial sector—including but not limited to distillation,drying,and dyeing—the heating demand ranges across various temperatures that are mainly lower than 170℃.On average,more than 40%of industrial heat consumption falls below 150℃[4].展开更多
Heating decarbonization is a major challenge for China to meet its 2060 carbon neutral commitment,yet most existing studies on China’s carbon neutrality focus on supply side(e.g.,grid decarbonization,zero-carbon fuel...Heating decarbonization is a major challenge for China to meet its 2060 carbon neutral commitment,yet most existing studies on China’s carbon neutrality focus on supply side(e.g.,grid decarbonization,zero-carbon fuel)rather than demand side(e.g.,heating and cooling in buildings and industry).In terms of end use energy consumption,heating and cooling accounts for 50% of the total energy consumption,and heat pumps would be an effective driver for heating decarbonization along with the decarbonization on power generation side.Previous study has discussed the underestimated role of the heat pump in achieving China’s goal of carbon neutrality by 2060.In this paper,various investigation and assessments on heat pumps from research to applications are presented.The maximum decarbonization potential from heat pump in a carbon neutral China future could reach around 1532Mton and 670Mton for buildings and industrial heating respectively,which show nearly 2 billion tons CO_(2) emission reduction,20% current CO_(2) emission in China.Moreover,a region-specific technology roadmap for heat pump development in China is suggested.With collaborated efforts from government incentive,technology R&D,and market regulation,heat pump could play a significant role in China’s 2060 carbon neutrality.展开更多
基金supported by the Key Project of the National Natural Science Foundation of China(52036004).
文摘1.The crucial role of heating decarbonization in achieving carbon neutrality in China by 2060,The decarbonization of heating,in both buildings and industries,presents a major challenge and opportunity for China if the nation is going to meet its 2060 commitment to carbon neutrality.Currently,as shown in Fig.1(a)[1],the buildings and industrial sectors share the largest proportion(more than 70%)of end-use energy demand in China.In the buildings sector,heating accounts for half of the energy demand[2];in the industrial sector,50%-70%of the energy demand is for process heating[3].As summarized in Fig.1(b)[3],heating demand in the buildings sector usually requires temperatures below 80℃;in different areas of the industrial sector—including but not limited to distillation,drying,and dyeing—the heating demand ranges across various temperatures that are mainly lower than 170℃.On average,more than 40%of industrial heat consumption falls below 150℃[4].
基金National Natural Science Foundation of China:Study on cycle construction and application of large temperature lift heat pump and steam generation system(52036004).
文摘Heating decarbonization is a major challenge for China to meet its 2060 carbon neutral commitment,yet most existing studies on China’s carbon neutrality focus on supply side(e.g.,grid decarbonization,zero-carbon fuel)rather than demand side(e.g.,heating and cooling in buildings and industry).In terms of end use energy consumption,heating and cooling accounts for 50% of the total energy consumption,and heat pumps would be an effective driver for heating decarbonization along with the decarbonization on power generation side.Previous study has discussed the underestimated role of the heat pump in achieving China’s goal of carbon neutrality by 2060.In this paper,various investigation and assessments on heat pumps from research to applications are presented.The maximum decarbonization potential from heat pump in a carbon neutral China future could reach around 1532Mton and 670Mton for buildings and industrial heating respectively,which show nearly 2 billion tons CO_(2) emission reduction,20% current CO_(2) emission in China.Moreover,a region-specific technology roadmap for heat pump development in China is suggested.With collaborated efforts from government incentive,technology R&D,and market regulation,heat pump could play a significant role in China’s 2060 carbon neutrality.
