Pang Xuelin picked up the mobile phone, the caller ID was Cao Yuan, and Pang Xuelin directly pressed the answer button.

"Hey, Lao Cao, what's wrong?"

"Professor Pang, it's a success!"

"Succeeded?!"

Pang Xuelin was slightly stunned, and his voice suddenly became louder.

Since the last time he successfully constructed a unified superconductivity theory at USTC, Cao Yuan led Zhou Tong and them to the Qiantang Laboratory to work with Li Changqing's team to prepare multi-walled carbon nanotube materials that meet the conditions of high-temperature superconductivity according to Pang Xuelin's theory.

But it's not an easy task.

Although Pang Xuelin and Li Changqing's team worked together to use the computer-controlled reaction black box to prepare the legendary flying blade material, and realized industrial production.

But the monomer of the flying blade material is a single-walled carbon nanotube.

In the field of multi-walled carbon nanotubes, the difficulty of preparing high-purity ultra-long multi-walled carbon nanotubes is even higher than that of flying edge materials.

After all, single-walled carbon nanotubes are only single-layer carbon tubes, and the best way to prepare them is to control the tube diameter, while multi-walled carbon nanotubes are composed of multi-layer carbon nanotubes, in addition to considering the tube diameter, the distance, structure, chirality and other factors between different carbon layers should also be considered.

As for the preparation of the multi-walled carbon nanotubes calculated by Pang Xuelin's theory, there are more factors to consider.

Pang Xuelin was even ready to spend three to five years, but he didn't expect that in just a few months, Cao Yuan's team and Li Changqing's team would complete the preparation of this room-temperature superconducting material.

This is an astonishing achievement from any point of view.

Cao Yuan on the other end of the phone was still a little excited, and said: "The sample was only trial-produced last night, and we started testing it this morning, and until now, it is basically certain that the superconducting transition temperature of this superconductor is about 353K (80 °C). The properties are very different, and we have successfully prepared a room-temperature superconductor! ”

Pang Xuelin pondered for a moment and said, "I'm at Jiang University now, wait to go to the laboratory, and I'll talk about the rest when I arrive." ”

"Good!"

Hanging up the phone, Pang Xuelin found that perhaps because his tone was a little exaggerated just now, Xu Xincheng and Liu Tingbo were staring at him.

Xu Xincheng was curious: "Professor Pang, what's wrong?" Is there any new achievement in the Qiantang laboratory? ”

Pang Xuelin nodded with a smile and said, "It's a result!" However, this matter is more important, I have to go over and confirm it now, if there is no problem, this achievement should not be much worse than lithium air batteries, or even more significant! ”

"Not much worse than a lithium-air battery?!"

"More significant?!"

Xu Xincheng and Liu Tingbo glanced at each other, a little incredulous.

You must know that since its launch last year, lithium-air batteries have begun to be used in mobile phones, tablets, notebooks, cars, drones, submarines and even a new generation of passenger aircraft, transport aircraft and other fields.

The political effect caused by this product has directly broken the dream of the United States to contain China's development through a trade war, and even made the scientific and technological blockade of China by Western countries become a piece of waste paper.

The economic effect of lithium-air batteries is even more exaggerated.

Since the official withdrawal of lithium-air batteries in October last year, world crude oil prices have been falling. From a peak of more than $70 a barrel, it has fallen to $15 a barrel today.

There was even a joke that the price of crude oil futures was negative.

U.S. shale oil producers have gone bankrupt because crude oil prices have been hovering at low levels for a long time.

Resource-rich countries that rely on crude oil exports for economic transfusions are also in trouble.

As for the petrodollar circulation established under the Bretton Woods system, it has encountered an unprecedented challenge crisis.

In contrast, the RMB, supported by lithium-air batteries, has begun to rise strongly, competing with the US dollar for the status of the global trade currency.

It can be said that Pang Xuelin has single-handedly changed the global political and economic pattern and reshaped China's position in the world.

Because of this, when Pang Xuelin said that this achievement can be compared to lithium-air batteries, or even more important, Xu Xincheng and Liu Tingbo felt so incredible.

Pang Xuelin smiled and didn't say much to them.

The research on superconducting materials is still highly confidential, and even if it is successful, it will need to be discussed with the top management when it will be released.

Pang Xuelin is well aware that superconducting materials may not be able to have such a significant impact on the global political and economic landscape in a short period of time as lithium-air batteries.

However, the many potential applications of superconducting materials are enough to raise the entire industrial level of mankind to a higher level.

Not to mention, superconductors play an irreplaceable role in the fields of strong electricity, weak electricity, diamagnetism, etc.

In the field of strong electricity, superconducting technology can make generators and motors miniaturized, with more powerful power and more stable working performance, to replace the current huge and bulky power generation facilities, and also provide the possibility of low noise and military use of electric motors.

Although superconducting motor technology is already available, a rotating infusion seal device is required to keep the superconductor at the temperature of liquid helium.

Its performance directly affects whether the superconducting synchronous generator can operate safely and reliably.

In order to ensure the cryogenic state of the excitation coil, the liquid helium cryogenic device must have the properties of insulation, heat insulation, vacuum sealing and high strength.

In addition, there are problems such as winding manufacturing process, coil detection and protection, and reliability, so the development of superconducting motors has been limited.

The emergence of such room-temperature superconductors is enough to make superconducting motors an ideal power for steel rolling, wind turbines, micromechanical systems, chemicals, aerospace, navigation, mining, oil and gas refining, and other heavy industries.

In addition, superconducting power technology will be widely used in superconducting cables, superconducting transformers, superconducting energy storage, superconducting motors and other fields.

In the field of weak current, high-speed computers require dense arrangement of components and connecting wires on integrated circuit chips, but a large amount of heat will occur when the densely arranged circuits are working, and heat dissipation is a difficult problem faced by VLSI circuits. And the use of this superconducting material to make superconducting computers has even better performance than carbon-based chips.

The diamagnetic applications of superconductivity include superconducting maglev conveying systems, superconducting maglev trains, and so on.

Using the diamagnetism of superconducting materials, the superconducting material is placed on top of a permanent magnet, because the magnetic field lines of the magnet cannot pass through the superconductor, a repulsive force will be generated between the magnet and the superconductor, causing the superconductor to levitate above the magnet.

The emergence of superconductors at room temperature will greatly reduce the cost of superconducting maglev, and even make it possible to establish a superconducting maglev railway transportation system nationwide.