the hydrogen economy: alternative fuels that require fossil fuels - energy storage system price

The engine that drives the improvement of the quality of life in all societies may be considered as ever
Increase the use of energy.
However, the current dependence on fossil fuel energy has brought adverse side effects, such as environmental pollution endangering human health, accelerating carbon dioxide emissions from climate change, and geopolitical pressure due to uneven distribution of fossil resources.
The current challenge in the energy sector is to find competent ways to create, transport and utilize energy in ways that do not threaten health, social status, pollution and climate change, or leading to class struggles, riots, and wars.
Hydrogen is an energy carrier with potential to replace fossil fuels.
It is a common element that exists in large compounds of water and biological matter.
When burned, it produces high temperatures and water, and no unpleasant waste or carbon dioxide.
In order to use hydrogen as a primary energy storage, it needs to be part of a larger production and exchange system.
This system is called "hydrogen economy ".
"What is the hydrogen economy?
The hydrogen economy is nothing more than an arrangement through which our energy needs are met primarily by hydrogen rather than fossil fuels.
The power of hydrogen fuel cells is used to power cars and homes, not oil distillation.
This market economy will depend on inexhaustible hydrogen and water, but it will also greatly change the way electricity is acquired, stored and used, the generation of pollution, and foreign trade, it does not affect the quality of life of a nation.
By conceptualizing the hydrogen economy, we recognize our need for clean energy.
Burning fuels that do not lead to air and water pollution, nor does it allow us to rely on reduced energy sources.
If the hydrogen economy is to play a role, it must be implemented, while solving some problems in the current state of oil dependence.
The hydrogen economy of the fuel cell busHas has failed?
A promising expectation at the turn of the millennium envisions a future in which clean hydrogen fuels vehicles and powers production operations and families without threatening the environment.
However, this area has not changed much even after ten years.
Although experts, including economists, engineers and the government, are trying to visualize the hydrogen economy, we are far from achieving one or achieving the predicted results.
Martin Green is the sales and marketing director of Johnson Mattel, UK
A professional chemical company engaged in the production of automotive fuel cell parts. Says Mr.
Dan Talpalariu quoted Green as saying, "fuel cells have been a roller coaster of hype and bust, but I am now more confident than ever to achieve the hydrogen economy.
"Since the cost of fuel cell components is even increasing, some analysts blame the financial side rather than the technical side.
At least to some extent, the whole concept of hydrogen economy is based on the price of fuel cell products.
They believe that once mass production and utilization is made, the project will take on the infrastructure and distribution matters.
The administration of President George W.
Bush has long advocated
A series of plans to push America to the hydrogen economy.
They announced it would compensate for climate change and oil and gas dependence overseas.
Unfortunately, since the hydrogen economy cannot provide anything, none of these things is true.
According to Michael C.
Rupert, author of the book "crossing Rubicon: The Decline of the American Empire at the end of the Petroleum Era", the simple physical fact is that for various reasons, hydrogen is not practical, except that it is just a storage medium, not a fuel.
If hydrogen must be produced, it requires a lot of energy as an input.
When calculated from this point, it can be found that the net energy input must be greater than the net energy output in the form of hydrogen.
This makes the whole process more damaging to the environment. Mr.
Rupert, "the basic problem with hydrogen fuel cells is that the second law of thermodynamics states that we will always have to consume more energy than we would get using hydrogen.
The common misconception is that hydrogen fuel cells are alternative energy sources when they are not alternative energy sources.
Many of the challenges faced by hydrogen fuel cells are engineering problems, but one fundamental flaw is that free-form hydrogen is not a real source of energy, it is just an energy transporter. Free-
There is no form of hydrogen in nature;
In order to get free hydrogen, some external force is needed to destroy its molecular bond.
Basic chemistry tells us that breaking hydrogen bonds requires more energy than forming hydrogen bonds.
This is in line with the second law of thermodynamics.
Hydrogen is a simple element that is easy to leak from the container
Even if the container is very strong and well insulated.
This causes the hydrogen to evaporate at a rate of not less than 1.
7% per day.
In addition, hydrogen has the ability to react quickly.
When it comes in contact with a metal surface, hydrogen breaks down into tiny atoms so that it breaks through the metal.
This has led to a change in the form that makes the metal fragile.
The tank size required for fuel cells to transport hydrogen is also one of the biggest problems.
If 20 gallons of gas must be replaced, then the amount of hydrogen in the form of gas must be around 238,000 liters, which is not a small quantity.
Another problem is the liquid form of hydrogen with a density of 0.
07 grams per cubic centimeter.
This density will result in a volume requirement of four times the volume of the gas for any given energy.
In addition, there is the energy price of liquefied hydrogen and refrigerated hydrogen so that hydrogen remains liquid.
Conclusion capturing sunlight through photovoltaic cells and applying the energy that comes with it to rip the water apart for hydrogen, an idea put forward for the production of hydrogen "greening.
However, the numbers still make no sense.
According to Ruppert, the energy required to make hydrogen for 1 billion kilowatt hours is 1.
3 billion kilowatt hours of electricity and the amount of water needed to achieve this is equivalent to 5% of the flow of the Mississippi River!
If solar energy is to be used for the hydrogen production that is built, then the required solar plant must be built, and the cost may be 50 times that of the coal-fired plant.
The infrastructure required will be huge (
Despite the progress of photovoltaic technology.
Therefore, the main problem we see when producing hydrogen is that it is mainly based on the power use of large-scale hydrolysis, most likely from coal
Steam reforming of burning power plants, or methane.
At least for now and in the near future, hydrogen is an alternative fuel that requires fossil fuels.
The hydrogen economy is a failed hype, so FarMichael C.