It is entirely possible, but it requires the intervention of other energy sources. The current idea is that water is electrolyzed to obtain hydrogen and oxygen, which consumes electrical energy, which is equivalent to the storage of electrical energy, which can come from the production of fossil energy, nuclear energy, wind energy and solar energy. . . . , then hydrogen and oxygen combine to form water, releasing energy, and then the cycle repeats. The biggest benefit is that it solves the problem of unsustainable and relatively unstable wind and solar power. At the same time, if nuclear energy can be used on a large scale, then the dependence on fossil fuels will be resolved on a large scale.
Why can't we use hydroelectric power generation and water electrolysis to produce hydrogen as a fuel?
I don't know whatposter wants to get? If you want to get oxygen, you don't have to electrolyze water, just like what was said above, compressed air. If you need to get hydrogen. and the oxygen of the water, then you can only tell. Please understand the law of conservation of energy. Regardless of the method used to obtain hydrogen and oxygen from water, under ideal conditions the energy used should be at least the same as the energy released by the water. combustion. However, this ideal condition is only theoretical and does not exist in practice. Therefore, the energy used to transform water into hydrogen and oxygen must be greater than the energy released by burning the gas converted by this energy!
< p>Basically, hydrogen is not the primary form of energy in modern society. It is not uncommon for the cost to be high, and naturally few people use it. The tran methodElectricity sport is relatively mature and inexpensive. On the other hand, hydroelectric plants have more efficient energy storage measures during peak periods: when electricity consumption is low, simply use the remaining electricity to pump water. produced by electrolysis of water has no application: as a substance with an energy density as high as oil, it can be used as a clean energy source to replace oil in places where electricity is not available. is not suitable, such as rockets, planes, ships, etc. .; Moreover, as an intermediate material for energy storage, using wind power and photovoltaic power to electrolyze water to produce hydrogen, and then generating electricity via gas turbines, can effectively solve the problem of integrating a new energy network. is that there is currently noe efficient and safe special storage method, large-scale storage always relies on low temperature and high pressure, which is not only expensive, but also dangerous. This is acceptable for rocket engines, but not for civilian and commercial ones. to use. As a solution, solid-state metal hydride storage has many beautiful dreams and various cruel realities. It still belongs to the category of rare metals, and it is far from possible to safely and efficiently store it in the future, as well as wind energy. photovoltaic and electrical energy provided by nuclear energy have declined considerably, and it is quite possible that hydrogen energy will replace oil energy in some regions.