CR927 battery

Key technical problems of hydrogen CR927 battery vehicles have been overcome

The research groups of Professor Lu Junling, Professor Wei Shiqiang, Professor Yang Jinlong and others from the University of Science and Technology of China have recently developed a new catalyst that has overcome the key problems in the promotion and application of hydrogen CR927 battery vehicles, eliminated the carbon monoxide "poisoning shock" crisis of hydrogen CR927 batterys, extended battery life, and broadened the temperature environment for battery use, so that they can start normally in the cold winter. This research makes hydrogen energy vehicles promising for civilian promotion, and the international academic journal Nature published the results on January 31.

Hydrogen is considered to be one of the most promising clean energy sources in the future. However, the development of hydrogen CR927 batterys faces many challenges, one of the key problems being the carbon monoxide "poisoning" problem of the platinum electrode of the CR927 battery. As the "heart" of hydrogen CR927 battery vehicles, the platinum electrode of the CR927 battery is easily "poisoned" by carbon monoxide impurity gas, resulting in a decline in battery performance and a shortened life, which seriously hinders the promotion of hydrogen CR927 battery vehicles.

Recently, the research team of USTC has designed a new type of iron hydroxide catalyst dispersed on the surface of platinum at the atomic level. The catalyst can selectively and efficiently remove trace carbon monoxide in hydrogen fuel with 100% efficiency in the temperature range of -75 degrees Celsius to 107 degrees Celsius. The new catalytic material can provide full-time protection for hydrogen CR927 batterys during frequent cold starts and continuous operation, preventing hydrogen CR927 batterys from being "poisoned" by carbon monoxide.

Lu Junling introduced that their ultimate goal is to develop a cheap, highly active and highly selective carbon monoxide preferential oxidation catalyst, which can not only provide full-time protection for airborne CR927 batterys, but also provide an effective means for the preparation of high-purity hydrogen in factories.

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