Huge step from Toyota for “cold hydrogen” vehicles

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Huge step from Toyota for “cold hydrogen” vehicles

By admin, Kasım 19, 2024

Huge step from Toyota for “cold hydrogen” vehicles





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Toyotais making another extremely important innovation in hydrogen-powered vehicle technology. Company, liquid hydrogen developed a “self-pressurizing” system to make vehicles more efficient. This technology aims to increase the efficiency of the engine by reusing hydrogen gas lost by evaporation.

A smart solution for hydrogen vehicles

Toyota plans to launch liquid hydrogen technology in 2023 GR Corolla H2 Concept introduced in his model. This system, in which liquid hydrogen is stored at -253 degrees Celsius, ensures that the fuel remains in liquid form. However, since hydrogen was in gaseous form at room temperature, some evaporation occurred in the tanks.




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Toyota’s solution is a device that increases the pressure of vaporized gas, making it reusable. self pressurizing system. The company introduced this system last weekend. Super Taikyu Series 2024 He showed it in the race. system, evaporating increases the pressure of the gas by two to four times and allows it to be reused as fuel without requiring any additional energy. In addition, this excess gas is aimed to run the engine of the hydrogen pump with a small fuel cell package.




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Vehicles powered by liquid hydrogen have a very complex structure in terms of both storage and system configuration. HYPER director Dr. Jacob Leachman notes that hydrogen pumps are the most frequently failing components in any hydrogen system. Leachman, “What Toyota has done smartly is to develop a hydrogen pump that uses some of the cold energy for compression purposes.” he says. However, there are technical challenges as if liquid hydrogen were to be sealed and evaporated in a tank, the pressure could rise as high as 140 Megapascals (20,000 psi).






Source

https://newsroom.toyota.eu/expanding-possibilities-with-the-liquid-hydrogen-powered-gr-corolla-in-the-season-final-round/


https://www.theverge.com/2024/11/18/24299725/toyota-liquid-hydrogen-self-pressurizer-gr-corolla-h2






















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