What does "green hydrogen" energy mean and what can we do with it?
Release time:
Jun 09,2022
Generally speaking, hydrogen often appears in discussions about clean energy, habitually described as a completely colorless chemical that burns cleanly and can be used as a substitute for coal, oil, or natural gas. However, for hydrogen's use to produce environmental benefits, it must be produced in a clean manner, rather than extracted from fossil fuels.
Since the early 19th century, "brown hydrogen" extracted from coal has been used to provide energy support for cities. In this process, chemical reactions in coal produce a so-called syngas mixture, which includes carbon dioxide, carbon monoxide, hydrogen, methane, ethylene, and small amounts of other gases. Although it is relatively easy to extract hydrogen from this mixture, the environmental pollution it causes is quite severe.
"Green hydrogen," on the other hand, does not come from any type of fossil fuel; it is obtained through renewable resources. According to energy market analysts, "green hydrogen" produced from wind and solar power may become a faster-growing and more cost-effective transition energy source than expected. Chinese manufacturers have already successfully developed an electrolysis system that can utilize renewable energy to produce hydrogen, with costs reduced by 80% compared to previous methods. At such prices, hydrogen will become the best way to store solar or wind energy, as well as providing increasingly more industrial applications.
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