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首页> 外文期刊>IEEJ energy journal >Techno-economic Assessment of Hydrogen Energy in the Electricity and Transport Sectors Using a Spatially-disaggregated Global Energy System Model
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Techno-economic Assessment of Hydrogen Energy in the Electricity and Transport Sectors Using a Spatially-disaggregated Global Energy System Model

机译：使用空间分解的全球能源系统模型对电力和交通运输领域的氢能进行技术经济评估

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摘要

Hydrogen (H_2) receives much attention to mitigate climate change and strengthen energy security. This study analyzed the economic viability of H_2 energy with a focus on the electricity and transport sectors, employing a spatially-disaggregated global energy system model. The simulated period is from 2015 to 2050. The results suggest that, in addition to strict CO-2 regulation policies, significant cost reductions of H_2 production technologies would be prerequisite to accelerate H_2-fueled power generation globally. By contrast, deployment of fuel-cell vehicle appears more sensitive to vehicle price, rather than the H_2 supply costs. Among H_2 production processes, gasification of coal and reformation of natural gas, combined with carbon capture and storage, are estimated to be cost-efficient, implying opportunities for H_2 trade between coal and gas resource countries and energy consumers. Yet, again, improved economics are necessary for maritime H_2 transportation, including liquefied H_2; otherwise, H_2 trade would be limited to pipeline. If maritime H_2 trade becomes economically viable, natural gas and coal in Australia could be competitive feedstock for Japan. Long-term policies to support research and development are crucial to commercialize H_2 supply system.
机译：氢（H_2）受到人们的广泛关注，以缓解气候变化并加强能源安全。这项研究采用空间分解的全球能源系统模型分析了H_2能源的经济可行性，重点是电力和运输部门。模拟期为2015年至2050年。结果表明，除了严格的CO-2管制政策外，大幅降低H_2生产技术的成本将是在全球范围内加速使用H_2燃料发电的前提。相比之下，燃料电池汽车的部署似乎对汽车价格更为敏感，而不是H_2的供应成本。在H_2的生产过程中，煤的气化和天然气的改造以及碳的捕集和封存被认为具有成本效益，这意味着在煤炭和天然气资源国与能源消费者之间进行H_2贸易的机会。然而，再次，海上H_2运输，包括液化H_2，必须改善经济状况。否则，H_2贸易将仅限于管道。如果海上H_2贸易在经济上可行，那么澳大利亚的天然气和煤炭将成为日本的竞争性原料。支持研发的长期政策对于H_2供应系统的商业化至关重要。

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