High performance carbon fiber composite materials are a typical representative of advanced composite materials. As a material that integrates structure and function, carbon fiber composite materials play a very important role in new energy fields such as power industry, petroleum industry, natural gas, and electric vehicles.

① The application of carbon fiber in the natural gas field: Compressed natural gas (CNG) is widely used in China, which is relatively safe, low-cost, pollution-free, and is an ideal energy source. Gas cylinders are storage containers for CNG and are key components of CNG. They can be alloy steel cylinders or composite material cylinders.

Compared to steel cylinders, carbon fiber composite gas cylinders have better safety when damaged. When the composite gas cylinder is overloaded, a small amount of fiber breakage may occur. At this time, the pressure load will quickly redistribute on the undamaged fibers, preventing the gas cylinder from exceeding its load-bearing ability in the short term.

② The application of carbon fiber in the petroleum field: Petroleum is a very valuable energy source, as well as a limited and non renewable energy source. In China, 80% of the oil is pumped using traditional rod pumping mode. This type of metal pumping rod has the disadvantages of large weight, easy corrosion, low fatigue performance, and high incidence of oil recovery accidents. The use of carbon fiber composite materials overcomes these shortcomings and has the characteristics of high strength, light weight, corrosion resistance, and wear resistance, greatly improving oil recovery efficiency, and having a very broad application prospect.