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Regarding energy storage issues

2015-06-08View Original

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Recently, the creativity of a girl from the United States seems to have shocked the world, including China’s stock market. The core of this approach is to utilize air energy storage: during periods of low electricity demand, electrical energy is converted into air energy, which is then compressed into carbon fiber. This stored heat can be utilized later; when there is a shortage of electricity, this heat is released to generate power, serving as a backup source to help stabilize the power grid. Those who are familiar with this technology might want to share their insights.
Reply #22015-06-08
What an impressive idea! It’s great that it can be implemented! I don’t know!
Reply #32015-06-08
According to industry insiders, there is a market worth 400 billion per year.
Reply #42015-06-08
It seems it will once again become a market to be explored by the wealthy! But it first needs to be developed successfully!
Reply #52015-06-09
This is the conversion and storage of energy, and there should be a very broad market for it.
Reply #62015-06-12
The best current approach for compressed air energy storage is its use in mountain caves or abandoned mines, which are commonly used as sites for gas storage
Reply #72015-06-12
Incredibly advanced technology: carbon fiber that can store air energy! It seems there are still many unexpected aspects to carbon fiber technology. All I know is that carbon fiber can be used to create materials that are extremely lightweight yet highly strong and durable, and these materials are used in bicycles, badminton rackets, and so on.
Reply #82015-06-12
This post was last edited by arpcd on 2015-6-12 22:00. This technology may not be that groundbreaking, but it is indeed a bold idea in the field of materials science. It seems the original poster is not very familiar with vehicle gas cylinders – those used in buses and taxis to store natural gas. Such cylinders come in two types: steel cylinders and wound cylinders. A wound cylinder is a composite type made of metal materials combined with carbon fiber. Abroad, quality standards and manufacturing specifications for such products have already been established, with strict requirements regarding product quality; the same is true in China. Well-made wound cylinders weigh 50% less than steel cylinders, and they can operate at a pressure of 30 MPa, while many steel cylinders operate at around 15 MPa. In other words, for the same volume, wound cylinders are 50% lighter yet can hold twice as much natural gas, giving them a clear advantage. Light weight and large capacity – of course that’s great. The so-called girl Danielle Fong is actually 27 years old now – she can no longer be considered a girl, haha. She is currently the co-founder and lead scientist at LightSail Energy in Canada. From her responses to journalists, it seems that her company’s goal is to develop carbon fiber-wrapped gas cylinders that can operate at higher pressures, such as 60 MPa or even higher, while maintaining the same weight and size. In short, if it’s possible to make gas storage tanks lighter while allowing them to hold more gas, there is a huge market potential for this. Danielle Fong, founder of LightSail Company, described in detail the working principle of its compressed air energy storage technology: An electric motor uses excess electricity, wind energy, or solar energy – such as cheap power available during periods of low grid load – to drive an air compressor, which compresses air into carbon fiber air storage tanks; the heat generated during this compression process is stored. During peak electricity demand, the stored compressed air is used to generate power, which is then fed back into the power grid. “The greatest advantage of this technology is its ability to utilize air and water, along with thermodynamic two-way engines and super-capacitor storage technologies, to enable large-scale, scalable, and low-cost energy storage. ”Danielle told our newspaper reporter. As for air-source energy, it is by no means something new; things like air-source heat pumps and air conditioners have been around for many years and are already mature technologies. The reason why Danielle Fong’s innovative idea is capable of transforming the market becomes clear when we consider an example: as long as the pressure in the air storage tank is high enough, even air can be used to power machinery. This machinery can be anything – cars, generators, or any device that requires energy. Gas-powered cars were once nothing new in France, but today’s gas-powered vehicles cannot travel very far due to the limited capacity of their air tanks, which means they cannot store much air. However, if there is a large amount of high-pressure air available, then it’s another story; cars wouldn’t need to burn fuel anymore, as that fuel could be used to drive compressors and generators, thereby filling the air tanks with high-pressure air. This represents a significant impact on the automotive industry, and those who manage to gain control of this market will reap huge profits. . . The so-called super energy storage technology is essentially just carbon fiber gas cylinders that are taller, lighter, and stronger. As long as the pressure at which gas can be stored can be increased to 60 MPa or even higher based on existing technologies, it will be very useful. As for what to do with air at such high pressures, that’s probably beyond the scope of the female entrepreneur; all she needs to do is create these gas cylinders. . . Personally, I think mobile energy is the best option – creating inexpensive pneumatic cars would be incredible. . . Watch this video of a French pneumatic car: http://www.56.com/u66/v_NTQ1MDU3NTk.html It causes no pollution and is extremely clean, but it requires huge gas tanks! !
Reply #92015-06-12
It would be truly remarkable if such gas cylinders could be used in the field of aerodynamics. **Our current wind tunnel technology relies on compressors to compress air into high-pressure steel tanks, which is then released for testing. Such tanks not only have high pressure but also large capacity; if, within the same volume, a lighter weight could store twice or even several times as much air, it would have immeasurable implications for the construction and operation of entire wind tunnel systems.** . You should know that wind tunnel testing accounts for a significant amount of time and money in the development cost of an airplane; if this cost can be reduced, more advanced aircraft and missiles can be put into service more quickly. . . . . . I can’t say any more, or else someone will have to buy tea, haha. . .
Reply #102018-12-19
Ultra-high pressure gas cylinders – just thinking about them is terrifying

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