Use of renewable energy for hydrogen production is an important way for oil and gas enterprises to promote energy structural optimization and upgrading as well as in-depth decarbonization.Based on research and demonstrative application of the industrial chain technology,the oil and gas enterprises have actively accelerated high-efficiency development of hydrogen productivity on a large scale in recent years.This article makes comparison of the technological advantages and challenges in the areas of ALK,PEM and SOEC hydrogen production.It also analyzes the distribution plans made by the typical Chinese and foreign oil and gas companies for hydrogen production industry and projects.Focusing on the green hydrogen industrial chain and technological chain,CNPC has consistently studied the renewable energy hydrogen production technology and related system suitable for the company's own characteristic application scenarios.The efforts covered basic research and demonstrative projects.It has achieved a series of innovative results in high-efficiency electrocatalyst materials,electrolyzer system optimization,hydrogen electric coupling system,large-scale and large-quantity hydrogen production facility,SOEC hydrogen production technology and solar energy photolysis water hydrogen production technology.Combined with the hydrogen production technology of the China's oil and gas enterprises,this article comes up with the suggestions and outlooks of the renewable energy hydrogen production industrial development in the future.
hydrogen energygreen hydrogenhydrogen productionrenewable energy hydrogen productionelectrolysis water
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