我国高度重视氢能产业发展,加快氢能源规模化部署。本文利用全球变化评估模型(GCAM)探究全球温控视域下我国氢能作为能源载体的差异化发展路径,从经济成本、结构优化、减碳潜力等角度揭示氢能发展趋势。结果表明:①随着减排政策加强、...我国高度重视氢能产业发展,加快氢能源规模化部署。本文利用全球变化评估模型(GCAM)探究全球温控视域下我国氢能作为能源载体的差异化发展路径,从经济成本、结构优化、减碳潜力等角度揭示氢能发展趋势。结果表明:①随着减排政策加强、碳价提升,清洁制氢技术的成本优势逐渐凸显,温控1.5摄氏度阈值情景下终端普及率有望达5%,且可再生能源制氢占比接近甚至超过一半;②碳中和情景下,2060年,生物质+CCS(carbon capture and storage)制氢平准化成本最低,煤制氢成本最高,分别为17.0元/千克和60.9元/千克;③氢能利用的碳封存量在碳中和情景下,将由2030年的0.4亿吨提高到2060年的2.6亿吨。氢能将在减缓气候变化、改善空气质量等方面发挥重要作用。展开更多
The paper discusses about the problems and reasons in the agriculture of western China.According to our analysis,it is difficult to overcome limitations from traditional cultivation measures in the western agriculture...The paper discusses about the problems and reasons in the agriculture of western China.According to our analysis,it is difficult to overcome limitations from traditional cultivation measures in the western agriculture development.In combination with the local condition of Yan Chuan County,it is the oblingatory selection of western agriculture to implement the cultivation technique of low or non tillage with stubble and whole course straw covering.It is stratigic pint of the technique agriculture in the development of Wester China.It is effective to bring out the latent capacity of dryland farming.展开更多
文摘我国高度重视氢能产业发展,加快氢能源规模化部署。本文利用全球变化评估模型(GCAM)探究全球温控视域下我国氢能作为能源载体的差异化发展路径,从经济成本、结构优化、减碳潜力等角度揭示氢能发展趋势。结果表明:①随着减排政策加强、碳价提升,清洁制氢技术的成本优势逐渐凸显,温控1.5摄氏度阈值情景下终端普及率有望达5%,且可再生能源制氢占比接近甚至超过一半;②碳中和情景下,2060年,生物质+CCS(carbon capture and storage)制氢平准化成本最低,煤制氢成本最高,分别为17.0元/千克和60.9元/千克;③氢能利用的碳封存量在碳中和情景下,将由2030年的0.4亿吨提高到2060年的2.6亿吨。氢能将在减缓气候变化、改善空气质量等方面发挥重要作用。
文摘The paper discusses about the problems and reasons in the agriculture of western China.According to our analysis,it is difficult to overcome limitations from traditional cultivation measures in the western agriculture development.In combination with the local condition of Yan Chuan County,it is the oblingatory selection of western agriculture to implement the cultivation technique of low or non tillage with stubble and whole course straw covering.It is stratigic pint of the technique agriculture in the development of Wester China.It is effective to bring out the latent capacity of dryland farming.
