关键词: 国际航行船, 替代燃料应用预测, 燃料供应链, 动力装置, 创新船型

Abstract: Starting from the investigation of domestic ship owners, the application of alternative fuels to international ships has been analyzed in view of the concerns of ship owners, such as fuel supply, main engine technology and fueling infrastructure. The results show that LNG, as the most mature alternative fuel at present, possesses great potential for further development in the short and medium term, while methanol and ammonia have increasing share in the medium and long term. It is predicted that the proportion of ocean-going alternative fuel powered ships in 2030 and 2040 is only 5% and 11%. In order to cope with the general trend in the future, it is necessary to accelerate the development of the methanol and ammonia internal combustion engines suitable for ocean-going ships, and launch demonstration projects of low-carbon synthetic fuels such as ammonia and methanol as soon as possible, as well as simultaneously develop corresponding innovative ship types to achieve independent control of the main engine and fuel supply.

Key words: international ship, alternative fuel application forecast, fuel supply chain, power device, innovative ship type