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Feitian Technology Research Center, Experimental Building.

In a laboratory, a black ink block-like object with a length of 3 cm, a width of 2 cm, and a thickness of 3 mm was placed in a glass box.

"That's it?" Tang Xiaochuan asked with his back and waist bent, looking at the black ink in the glass box.

"Yes!" Professor Gao put on his gloves, opened the lid of the glass box, and took out the black ink block.

Tang Xiaochuan took a closer look. There are metal electrodes on one end of this thing, "You said it is another kind of battery that is different from solid-state batteries. I don't think this thing has broken away from the form of solid-state batteries!"

Professor Gao said: "It's called a graphene battery!"

"Graphene battery?" Tang Xiaochuan was taken aback, "Is it finished?"

"Yes, it is a finished piece!"

Tang Xiaochuan hurriedly took a pair of gloves from the side and put them on, then took the battery from Professor Gao and observed it carefully. Its surface looked dark and shiny, and it was very light in weight. There were metal electrodes on one side. It should be It's a connector for charging.

"The idea of ​​graphene as a battery is very topical on the Internet. Many netizens have discussed it, and many scientific research institutions have published research results related to graphene. There are also many domestic and foreign companies that have introduced graphene technology. It is used in related products, but the graphene battery made of this shape has not been found, is this one used in mobile phones?"

Professor Gao replied: "Yes! In fact, many domestic and foreign companies have used graphene technology in display screens, sensors, transistors, seawater desalination, hydrogen storage, aerospace, photoreceptors, composite materials and biological research. field"

"Our company has used graphene technology in commercial fields such as liquid hydrogen storage, aerospace, sensors, photoreceptors, etc., but these are only the primary applications of graphene technology. Now our graphene has almost developed to the middle level. At the advanced stage, graphene batteries are the intermediate and advanced stage of this technology, and if we conduct more in-depth research, we will be able to touch the advanced technical field!"

Listening to Professor Gao's introduction, Tang Xiaochuan continued to observe the graphene battery and asked, "What is the difference between this thing and the solid-state battery produced by our new energy company?"

Professor Gao said: "Our solid-state battery is limited by materials and technology. We believe that it can be increased in size and power storage, but it cannot be further reduced, at least it cannot be reduced enough to be used as a mobile phone battery. But the graphene battery is different, our current technology can make it the size of a mobile phone battery, and it has ultra-fast charging speed, large storage capacity and fast heat dissipation that other mobile phone batteries simply do not have!"

Tang Xiaochuan asked: "How much storage capacity does this battery have, and how fast does it charge?"

Professor Gao didn't speak, took a battery tester from the side, and tested the graphene battery of the mobile phone in Tang Xiaochuan's hand. The capacity is 65500mAh.

Tang Xiaochuan was surprised: "The capacity of this graphene mobile phone battery is so high? It is more than ten times higher than the current mobile phone batteries on the market!"

"Yes!"

Afterwards, Professor Gao put the battery on a professional charging instrument for charging, and the instrument showed that the power was rising rapidly.

From the beginning of charging, Tang Xiaochuan pressed the stopwatch on the watch.

When the green light on the professional charging instrument turned on, indicating that the charging was complete, Tang Xiaochuan immediately stopped the stopwatch, and when he looked again, it was 192 seconds.

"What voltage is this charging device?"

"30v, if we produce this kind of graphene mobile phone battery, the adapter charger will also use this voltage. With its battery capacity of 65,500 mAh, even the mobile phone with the largest power consumption can support its uninterrupted use for three hours. There is no need to charge it for more than a day, and because of its super heat dissipation and thermal conductivity, you don’t feel that the phone will heat up at all when you use it!”

Tang Xiaochuan couldn't help but sighed: "Good stuff, good stuff!"

Professor Gao continued: "And we have tested its limit charging and discharging times. Generally, mobile phone batteries can be charged and discharged for about 600 or 700 times before the performance of the battery deteriorates. After more than 1,000 times, the battery will basically be scrapped. The best mobile phone battery can only be charged and discharged more than a thousand times, but our graphene battery can be charged and discharged more than three thousand times, and its service life is more than three times that of mobile phone batteries currently on the market!"

Tang Xiaochuan did the math, "If the mobile phone is equipped with our graphene battery, it can be used for more than three days on a single charge. If I charge and discharge it a hundred times a year, that means the service life of our graphene battery is More than 30 years? Some charging times are not so frequent, it is estimated that they can be used for 60 or 90 years?"

Professor Gao nodded: "Almost!"

Tang Xiaochuan couldn't laugh or cry after hearing this, "Professor, I have to admire that you can improve the technology to such an extent. If a battery can last for thirty years, wouldn't it be too wasteful? May I ask which kind of mobile phone is available today? Used for 30 years? It takes at most three years to reach the end of its service life, you can’t do it like this!”

"We use this durable technology in aerospace materials and equipment, but it is too wasteful to use it in consumables such as mobile phones; on the other hand, it reduces our income in disguise!"

"Think about it, the battery capacity of other mobile phones is only up to 5000 mAh, which is still enough for everyone, even those players who are addicted to games, why do we need such a large battery capacity? I think 10,000 mAh is almost enough, which can beat all mobile phone batteries currently on the market! And the durability of the battery must be reduced, it can be used for up to four years, it can’t be higher, it’s all money!”

"However, this technology should be preserved. If you want to increase battery capacity and service life in the future, you can increase production at any time!"

Professor Gao reluctantly agreed: "Okay, you are the boss, you have the final say! But...does graphene battery technology need to be further studied?"

Tang Xiaochuan immediately said: "Of course, we must continue to study. Judging from the current level of human energy use, for a long time in the future, human beings will be inseparable from the use of electric energy, and graphene battery technology is the use of electric energy. The extremely critical product!"

"Understood! I will let the battery research team weaken the capacity and service life of this graphene mobile phone battery. The target is set at 10,000 mAh and the service life is 500 charging cycles. The battery is affected by the environment, which may affect the battery life. Useful life!" Professor Gao promised.

Tang Xiaochuan asked: "Are there any technical difficulties?"

"No, it's easy to do this, at least it can be done by changing the manufacturing technology appropriately and reducing some raw materials. I estimate that the finished product will be delivered to you in at most ten days!"

"That would be great!"