Hydrogen produced by water electrolysis is used as fuel, and the remaining oxygen can be used on a l

Introduction Hydrogen produced by water electrolysis is used as fuel and the remaining oxygen can be used on a large scale. What you want to ask is that the hydrogen produced by water electrolysis be used as fuel, and the remaining oxygen can be used on a large scale.

Hydrogen produced by water electrolysis is used as fuel, and the remaining oxygen can be used on a l

What you want to ask is whether the hydrogen produced by water electrolysis can be used as fuel and whether the remaining oxygen can be used on a large scale. It can also be used on a large scale.

According to a survey of Internet technology platform information, hydrogen produced by water electrolysis is used as fuel, and the remaining oxygen can still be used for some large-scale application activities. .

The basic principle of the hydrogen electrolysis reaction is to electrolyze water to produce hydrogen and oxygen. At this stage, the energy conversion efficiency of hydrogen electrolysis can reach 75% to 85%. Hydrogen produced by water electrolysis can be used directly in fuel cells, liquefied or stored in another way.

Why renewable energies first produce hydrogen and thens of electricity

Principle of production and actual operation.

1. Production principle: hydrogen-oxygen fuel cells generate electrical energy through the reaction of hydrogen and oxygen, while the electrolysis of water to produce hydrogen produces hydrogen and oxygen by the decomposition of water with electrical energy. These two processes are actually reversible and a hydrogen-oxygen fuel cell can be converted into electrolyzed water to produce hydrogen.

2. Convenient operation: Electrolysis of water to produce hydrogen requires a large amount of electricity, and the efficiency of hydrogen production is low, so the cost is high. Hydrogen-oxygen fuel cells can directly convert chemical energy into electrical energy with high energy conversion efficiency.

Since the direct use of energiesrenewables to produce electricity causes peak regulating pressure on the electricity grid, it is very enormous. The loss of wind, light and water is a serious problem. Energy storage is one of the best ways to improve the regulation capabilities of the electricity network. At present, pumped hydro energy storage is the most widely used, followed by various technical routes such as heat storage, electrochemical batteries and compressed air.

Essentially, hydrogen power generation is also a type of energy storage. When the peak regulation capacity of the electricity grid is insufficient (i.e. in the event of a power outage), the abandoned energy can be used to produce hydrogen, or at night, when the load is low, cheap electricity can be used to produce hydrogen. hydrogen if neededn, whether electricity generation or direct combustion and use of stored energy.

Using hydrogen as an energy source to generate electricity, there will inevitably be some energy losses in the two-step process, but in fact, if you think about it carefully, it’s still achievable. use cheap and readily available electricity to produce hydrogen by electrolysis, such as on a large scale. Both solar power and large-scale wind power are very good sources of clean energy.

After improving the efficiency of electrolytic hydrogen production, the energy is transferred from solar energy to hydrogen energy. Because hydrogen has high energy density, good mobility and is not affected by weather conditions, its use as a source of motive power for cars remains a good, clean and environmentally friendly choice.ment. The most important of these is to improve the efficiency of hydrogen production and the efficiency of converting hydrogen into electricity and electricity.

The use of hydrogen production from renewable energy

Hydrogen production from renewable energy has its advantages. It uses renewable energy, using renewable energy such as landscape and water as support, and uses hydrogen As a secondary energy carrier, it can supplement electricity in energy transformation to realize the interconnection of industries, construction, electricity, transportation and other industries.

Currently widely used hydrogen sources mainly come from fossil fuels, electrolyzed water and chemical by-product hydrogen. In addition, the production of biomass hydrogen,The production of hydrogen by nuclear energy and thePhotocatalytic hydrogen production are under research, but have not yet reached the level of industrial application. Renewable energies can only produce hydrogen by electrolysis of water. Hydrogen produced from fossil fuels and chemical byproduct hydrogen both emit carbon.

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