In the first half of the year, some companies have received many orders for hydrogen storage bottles, but the supply of carbon fiber materials is very tight, and advance reservations may not be available. At present, the shortage of carbon fiber may become one of the factors restricting the development of hydrogen storage bottles and even fuel cell hydrogen supply systems in China.
In the entire vehicle-mounted hydrogen supply system, the hydrogen storage bottle is one of the key components. After more than 50 years of development, hydrogen storage cylinders have been transformed from steel cylinders to composite gas cylinders, with a more reasonable product structure, lighter weight, and more hydrogen storage capacity.
At this stage, the mainstream hydrogen storage bottle used in the field of hydrogen fuel cell vehicles in China is a 35MPa aluminum-lined fiber-wound hydrogen storage bottle (type III bottle). Only carbon fiber above T700 can meet the application requirements of vehicle-mounted hydrogen storage bottles.
Toray has always been the largest supplier of carbon fiber materials for hydrogen storage bottles in China. However, since the beginning of this year, Toray has reduced the supply of high-end carbon fiber in the domestic market. Many domestic hydrogen storage bottle companies are facing the dilemma of carbon fiber supply. situation.
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Post time: Aug-10-2021