Shulou(Shulou.com)11/24 Report--

CTOnews.com, November 17 news, recently, the Great Wall's unpotential energy independent research and development of the "rock bamboo" series-70MPa pressure reducing valve products announced to the global price, down through the 10,000 yuan mark, the cost reduction of 40%, promoting the hydrogen pressure reducing valve into the "thousand yuan era", reducing some of the hydrogen energy storage and transportation costs.

According to Great Wall Automobile, the "Yanzhu" series-70MPa pressure reducing valve is the first type of hydrogen fuel cell vehicle in China, which has been verified by more than 1000h winter calibration, continuous driving mileage and other vehicle tests, and has both domestic and international certified 70MPa pressure reducing valve self-developed products.

The pressure reducing valve is a key component of the on-board hydrogen storage system, which plays an important role in the safe application of hydrogen fuel vehicles. At present, 70Mpa pressure reducing valves are mainly imported in the market, and there are still high technical and cost barriers, which affect the production cost and large-scale application of on-board hydrogen storage system and even hydrogen fuel cell vehicles.

Based on the requirements of specification-level development and hydrogen safety application, the 70MPa pressure reducing valve products of Great Wall Automobile have achieved a total weight of less than 650g and a total number of 33 parts through the design of miniaturized structure, module integration and lightweight materials. Compared with the current mainstream products in the market, the cycle life is more than 50000 times, and the key materials and core components are 100% domestic. In high durability, high safety and other aspects to break through a number of technical indicators, performance is not inferior to foreign counterparts, with a certain degree of international competitiveness.

CTOnews.com learned that Great Wall Automobile Unpotential Energy has built a "system-storage-transportation-plus-application" integrated whole industry chain development model. In addition to tackling key problems of fuel cell systems to reduce costs and increase efficiency, we are deeply exploring the relevant technologies in the field of hydrogen energy storage and transportation, investing hundreds of millions of yuan in research and development, and establishing a complete design, manufacturing and test system. Committed to providing more cost-effective hydrogen storage system solutions for the whole industry.

At present, unpotential energy can provide hydrogen storage system, core components development and promotion and application services in the field of gas and hydrogen. Platform products have been successfully applied to passenger vehicles, heavy-duty logistics vehicles, port trailers and other vehicle models. Gradually expand to drones, hydrogen fuel cell ships and other fields. In the field of liquid hydrogen, a number of key technical problems, such as ultra-low temperature adaptive internal leakage sealing technology and low power consumption electromagnetic drive technology, have been broken through one after another, and a series of valves such as automotive liquid hydrogen flow valve and electromagnetic liquid hydrogen globe valve have been developed. it is expected to be officially introduced to the market in 2023.

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