From university academician to chief academician

Chapter 183 One of the neck-stuck technologies—lithium battery separator

The president of Jinling University did what he said. After the dean left, he called Ye Fei.

The principal sat on the office chair, holding the phone and smiling: "Hello, hello, is this Dean Ye? I am Yuan Xiang, the president of Jinling University!"

Ye Fei was stunned for a moment, and then said: "Hello, Principal Yuan!"

At this moment, Ye Fei was sitting in the VIP waiting room of the airport.

After Ye Fei finished arranging the work of the Yuan Blockchain Research Institute, he went to the Kyoto Graphene Research Institute.

Ye Fei, a researcher at the Meta Blockchain Research Institute, does not have to do everything personally, as the core research has already been developed.

As the dean of the Meta-Blockchain Research Institute, in the research of the Meta-Blockchain system, he only needs to point out the research direction and how to study it.

Unless his subordinates cannot succeed in the research, or need to speed up the research, Ye Fei will do it himself.

But with the current situation, the meta-blockchain system does not have any competitors in the world, so there is no need to rush to study it.

Ye Fei put more energy into mathematical research and fullerenes.

After C72 fullerene was discovered, Ye Fei also wanted to know what applications C72 fullerene could have.

Yuan Xiang smiled and said: "Dean Ye, you see that great geniuses like you have come to Jinling. You should come to Jinling University to sit down!"

Ye Fei smiled and said: "President Yuan, you are so grateful. I am not a great genius. As a native of Jinling, Jinling University has always been a university that I admire. I will go there if I have the opportunity."

"When will there be a chance?" Yuan Xiang was overjoyed and asked eagerly, "Is it possible soon?"

"Uh..." Ye Fei hesitated and said: "I may not have the chance recently, I will be very busy recently!"

Yuan Fei felt a little disappointed and asked: "What are you busy with? Maybe our school can provide some modest help."

Ye Fei chuckled and said, "I'm not busy with anything, I'm just busy!"

Yuan Fei shook his head and chuckled: "If you are just busy, then others are even more busy."

Judging from Ye Fei's achievements, every research conducted by Ye Fei is very meaningful and has made great contributions to the country and society.

If Ye Fei's research is all nonsense, then what are the other researchers busy with every day?

Ye Feidao: "I am mainly doing two things recently, research in the fields of mathematics and materials."

"Oh, right!" Yuan Fei patted his head and looked like he suddenly realized: "You discovered C72 fullerene, and you should be developing the application of C72 fullerene."

"Yes!" Ye Fei nodded.

Yuan Fei asked: "This is a big deal. In this case, I won't disturb you."

"OK."

After hanging up the phone, Yuan Fei smiled bitterly in his heart and failed again.

Yuan Fei has always wanted to talk to Ye Fei face to face, but he never had the chance.

Either Ye Fei is not in Jinling, or Ye Fei is very busy and has no time to talk.

It was the same this time. Ye Fei was too busy and the two had no chance to talk.

Yuan Fei secretly cheered himself up and said: "It doesn't matter, good things come in hard times. It's normal for a talent like Ye Fei to visit the thatched cottage ten times."

"If it doesn't work this time, there will be a next time. If it doesn't work next time, there will be a next time."

Airport, VIP waiting room!

Ye Fei put his cell phone in his pants pocket, then picked up the tea in front of him and drank it slowly.

"Hello, this is Dean Ye!"

At this time, a middle-aged man walked up to Ye Fei.

The middle-aged man is about 1.75 meters tall, wearing a black suit, with a round face and a friendly smile.

Behind the middle-aged man, followed a young man in his thirties wearing a black suit.

The young man has a fair face, wears glasses, is tall and thin, and looks very elegant.

The young man was carrying a black leather bag and looked like a subordinate to a middle-aged man.

"Who are you?" Ye Fei looked at the middle-aged man in confusion, and then stood up.

The middle-aged man stretched out his hand and said with a smile: "I am Xu Li, chairman of Enjie Co., Ltd."

Ye Fei shook hands with him and said with a smile: "Hello, Mr. Xu!"

Many people may not have heard of Enjie Shares.

The main business of Enjie Co., Ltd. is to provide a variety of packaging and printing products, packaging products and services, as well as lithium battery isolation films, aluminum-plastic films and water treatment films.

This company's wet lithium battery isolation film business is connected with the new energy automobile industry.

Xia Guo is the largest sales market for new energy vehicles, and Enjie Co., Ltd. should develop very well.

However, no company in Xia State has developed as well as lithium battery separators, and there is a big gap compared with the international market.

The same is true for Enjie Co., Ltd. Among Enjie Co., Ltd.'s many businesses, the development of lithium battery separators is the worst, even reaching the point of losing money.

But despite being short, Enjie's lithium battery separators are the best among all the companies in Xia Guo.

Almost all lithium battery companies in Xia Guo import lithium battery separators from abroad.

Xu Li smiled and said, "Can I sit down?"

"Of course!" Ye Fei smiled and said, "Please!"

Hearing this, Xu Li pulled out a chair and sat across from Ye Fei, then asked the waiter for a cup of tea.

Xu Li's assistant also sat down on a chair not far away.

Xu Li smiled and said, "I have heard of Dean Ye's name for a long time. I used to see it in the news and on the Internet, but today I finally saw him in person."

Ye Fei shook his head and said with a smile: "Mr. Xu, thank you."

"Mr. Xu, I have seen reports on Enjie shares before, but I have a big doubt."

"You want to ask why our company doesn't cut off the lithium battery separator business, right?"

Ye Fei nodded and said, "Yes."

"Actually, it's not just you who asks me, many people ask me this." Xu Li took a sip of the tea in front of him and looked at the flow of people coming and going outside the glass.

"In the field of lithium batteries, there are four main materials, namely positive electrode materials, negative electrode materials, electrolytes and separators."

"Our country has already conquered the first three and can manufacture them to reach the international average level."

"Only for separators, my country's lithium electronic separator technology lags behind the international level."

"Our company is the company with the best lithium battery separator technology in Xia Guo."

"If our company gives up lithium battery separators, when will Xia Guo be able to produce lithium battery separators that are comparable to international standards?"

"Even if our company is losing money, we must continue to develop lithium battery separators and cannot cut off the lithium battery separator business."

Ye Fei nodded secretly in his heart, admiring Xu Li's magnanimity.

There are very few companies that would rather lose money and stick to this business, just to let their country have this technology.

From a profit perspective, this is stupid.

But just because no one understands them, what they insist on is not interests, but hope.

I hope that one day, the country can develop this technology that is comparable to the international level.

Ye Fei smiled and said: "Mr. Xu, one day, our Xia State will be able to produce lithium battery separators that are comparable to international standards."

Xu Li smiled bitterly and said, "I hope so!"

Xu Li has been insisting on this idea for many years, which has brought him hope many times and disappointment many times.

The more hope, the more disappointment!

But Xu Li still refused to give up.

He didn't know what awaited him in the future.

But what he is holding on to now is just one breath.

If he was relieved, he would feel very lost.

Every time he was about to give up, he would say to himself: "After all these years, maybe success is not far away."

Every time after saying this, he continued to insist.

Xu Li is like an island guard, guarding Xia Guo's cutting-edge territory in the field of lithium battery separators.

Equivalent to a technological goalkeeper!

[Passengers from Jinling to Kyoto please board the plane! 】

At this time, the announcement of boarding the plane was played on the radio.

Ye Fei stood up and said, "Mr. Xu, please leave your contact information. We will chat when we have the opportunity."

A hint of surprise appeared on Xu Li's face. He didn't expect Ye Fei to propose leaving each other's contact information.

Xu Li smiled and said, "Okay."

After saying that, the two added WeChat messages to each other.

"Goodbye!" Ye Feidao said.

"goodbye!"

Three hours later, Ye Fei arrived at the Kyoto Graphene Research Institute.

After entering the Fullerene Research Institute, Professor Gao Dingyi came up to him and said with a smile: "You are finally here. If you hadn't come, I would have gone to Jinling to kidnap you."

Ye Fei said dumbfounded: "I've only been gone for a long time, and they have to go to Jinling to kidnap me."

"Our research is very important. Without you, we are missing a main force."

Professor Gao pulled Ye Fei quickly towards the research institute and said, "Let me show you what we have made using C72 fullerene during this period."

Soon, Professor Gao pulled Ye Fei into a research room.

There are many researchers doing research in the laboratory.

Professor Gao walked to a stage, pointed at a white cream-like thing on it, and said, "Look!"

"This is a water-soluble fullerene that can treat some skin conditions."

"Its performance is about twice as strong as C60 water-soluble fullerene."

Ye Fei said in surprise: "So high?"

"Yes!" Professor Gao nodded: "It's so high. It was just developed and the test data came out. I was surprised after reading it. The material is exactly the same as C60 water-soluble fullerene."

"Just changing the fullerene from C60 to C72, the water-soluble fullerene produced is twice that of C60."

"From this point of view, the effect of C72 is much stronger than that of C60."

"Yeah!" Ye Fei nodded and said, "That's true."

"Look at this again." Professor Gao pointed to something next to him.

It was a square, translucent sheet about the size of a human head.

"Based on the characteristics of C72, we developed C72 non-fullerene, which is an acceptor photovoltaic material for C72 non-fullerene."

Fullerenes and non-fullerenes are two opposite things.

If a fullerene of a certain sequence is discovered, non-fullerenes of this sequence can be quickly developed.

Ye Fei picked up the acceptor photovoltaic material with his left hand. It felt very thin and light. It was much lighter and thinner than the C60 non-fullerene acceptor photovoltaic material that Ye Fei had been exposed to before.

Ye Fei grabbed the other side of the receptor photovoltaic material with his right hand and bent it hard. After the photovoltaic material was bent to 90 degrees, there were no cracks.

After the hand was released, it quickly bounced back and returned to its original shape.

Receptor photovoltaic materials can absorb solar energy and convert it into electrical energy.

Moreover, the material itself is low in manufacturing cost, light in weight, translucent and flexible.

Ye Fei said in surprise: "This material is too light and too flexible!"

Professor Gao smiled and nodded: "Yes, do you know its weight and flexibility?"

Ye Fei looked at Professor Gao, waiting for his answer.

Professor Gao said: "The mass of the piece in your hand is only one pound, and the highest flexibility is 135 degrees."

Ye Fei said in shock: "It's so light and soft."

The receptor photovoltaic material in Ye Fei's hand is four hundred square centimeters, which is a square with a side length of twenty centimeters.

If it is a C60 non-fullerene acceptor photovoltaic material, such a piece of acceptor photovoltaic material has a mass of about four pounds and a flexibility of 70 degrees.

"Yes!" Professor Gao nodded.

Ye Feidao: "How much heat energy can it absorb?"

Professor Gao said: "Such a receptor photovoltaic material, one meter long and wide, can absorb 300 watts an hour and 2,500 watts a day when the sun is at its strongest."

"How much?" Ye Fei's eyes widened in surprise.

You should know that even C60 receptor photovoltaic materials can absorb up to one hundred watts of electricity per hour when the sun is at its strongest.

Professor Gao added: "It can absorb three hundred watts an hour and two thousand five hundred watts a day."

Ye Fei suppressed his surprise and said: "If you put it this way, the solar photovoltaic panels made of C72 non-fullerene only need 16 cubic meters of absorbed solar energy to meet the needs of a family for a day."

One kilowatt is one kilowatt hour of electricity, and an average household uses ten kilowatt hours of electricity a day.

Professor Gao nodded: "Yes!"

Ye Fei clicked his tongue and exclaimed: "This is too powerful, Professor Gao. This thing can be widely used by every household. After all, only a sixteen cubic meter solar photovoltaic panel can meet the needs of a family for a day." energy used."

Professor Gao said: "Of course it can be popularized, but this thing is suitable for use in rural areas, and not every household in the city can use it."

"After all, there are many buildings in the city, but few flat-floor and villas."

"This thing cannot be placed in buildings. It can only be placed on the top floors of buildings, flat roofs and villa roofs."

"Yeah!" Ye Fei nodded and smiled: "Indeed, I take it for granted. This thing is not suitable for cities, only for rural areas."

Professor Gao said: "Although it cannot be used in cities, it can still be used in rural areas, and it can also be used in the national power generation field."

"I believe it can help the country generate more electricity. Moreover, sunlight has been found to be a renewable, clean, and non-polluting energy source."

“The country has always advocated this method of power generation.”

"Yes!" Ye Fei nodded: "But Professor Gao, the biggest characteristic of fullerene is antioxidant, and we should start from this aspect."

"That's right!" Professor Gao said, "This is also the focus of our next research. We need to consider which aspects of antioxidants to start with."

“If you start with skin care products and antiseptic materials, you’re overdoing it.”

"My idea is to start with nanomaterials and electron transport materials."

Ye Feidao: "Have you ever thought about lithium battery separator materials?"

Ye Fei thought of Xu Li, whom he met at the airport. Xu Li had been developing lithium battery separators.

After talking with Xu Li, Ye Fei also wanted to develop a lithium battery separator, so that Xia Guo could manufacture all four core materials in the field of lithium batteries.

The so-called lithium battery separator, to put it simply, isolates the positive and negative poles of the battery to prevent the two poles from contacting and causing a short circuit.

In addition, it also has the function of allowing electrolyte ions to pass through.

"Lithium battery separator?" Professor Gao was stunned for a moment.

Then he shook his head and smiled bitterly: "Ye Fei, I should have taught you at that time, fullerene cannot work in the field of lithium batteries."

"It isolates oxygen, but has no conductivity and no properties of isolating electrons."

"Why don't you try to study it." Ye Feidao: "After all, what you are talking about is the knowledge of C60 fullerene."

"Maybe C72 fullerene has some properties that we haven't discovered yet."

Ye Fei feels that since fullerene can isolate oxygen, it might also be able to isolate other things.

We just haven't discovered it yet.

Professor Gao thought for a while and felt that what Ye Fei said made sense.

C72 fullerene is a newly discovered material, and there are still many areas that can be developed.

Professor Gao nodded and said: "Okay, let's do some research, but I can't guarantee whether we can make new discoveries."

Ye Fei smiled and said: "Try it, maybe you can make new discoveries."

Next, Ye Fei and others began to work.

In the laboratory!

Ye Fei was sitting on a stool with a C72 fullerene sheet on the table in front of him.

This is not a C72 fullerene acceptor photovoltaic material, but Ye Fei made C72 fullerene into a thin plate.

Ye Fei held an electric pen in his hand to touch the receptor photovoltaic material.

At the same time, Ye Fei looked at the electric meter aside to see if the pointer on it was moving.

If the pointer moves, it means it can conduct electricity.

If the pointer does not move, it means it is not conducting electricity.

Soon, Ye Fei shook his head and said: "As expected, it can't conduct electricity."

"However, being non-conductive does not necessarily mean that lithium battery separators cannot be made!"

"After all, the first characteristic of lithium battery separators is to isolate the positive and negative electrodes."

"Next, let's see if we can make the electrolyte ions transport."

After speaking, Ye Fei put the fullerene sheet into a cylindrical transparent glass box.

A clear glass box connects the computer.

Then turn on the switch, and the transparent glass box is filled with electrolyte ions.

A lot of data is displayed on a computer screen.

For a long time, Ye Fei shook his head regretfully: "It really doesn't work. It seems that fullerene cannot be used in the field of lithium batteries."

"Look, I made a facial mask using C72 fullerene." A young man walked in from outside, holding a black facial mask in his hand.

Professor Gao looked at the young man and said helplessly: "You kid, you are using fullerene to whiten your skin. Are we studying fullerene just to make people beautiful?"

The young man smiled and said: "I use leftover materials. You don't use those leftover materials. You will throw them away when the time comes. Why don't I use them to make something I like."

Professor Gao waved his hand irritably: "Do it, do it, you can do whatever you want as long as you don't take out the research institute."

Since the discovery of C72 fullerene, the entire Fullerene Research Institute has been tightened.

Everyone leaving the Fullerene Institute is subject to a body search.

Including Professor Gao and Ye Fei.

No one is allowed to take C72 fullerene out of the institute.

The young man said: "I know, I know."

Ye Fei stared at the facial mask on the young man's hand, lost in thought.

The young man saw Ye Fei staring at the mask on his hand and smiled: "Director Ye, do you want it? If so, I will make some for you."

Professor Gao said: "Ye Fei, don't mess around with him, you are not that kind of person."

Professor Gao thought this behavior was too girly. What kind of facial mask would a grown man wear?

Everyone else had the same idea.

Ye Fei nodded and said, "Okay!"

Everyone looked at Ye Fei in astonishment, speechless in their hearts. They didn't expect Ye Fei to be this kind of person. He misjudged you.

The young man smiled and said: "Haha... Director Ye and I still have something in common. Director Ye, what skin care products do you usually use?"

Ye Feidao: "Dabao!"

"Dabao?" The young man was stunned for a moment: "See you every day?"

Is there anyone using Dabao at this time?

Dabao is an old brand in Xia Guo skin care products. Many people born in the 1990s and 1995 used Dabao when they were young.

Dabao is seen every day. In the 1990s, it was almost a household slogan.

Ye Feidao: "Bring the mask on your hand to me to see the effect."

"Are you using it now?" The young man said in surprise: "Isn't it appropriate to use it here?"

Ye Feidao: "Stop talking nonsense and get it quickly."

"Okay!" The young man handed the mask on his hand to Ye Fei and said, "Director Ye, do you want me to help you?"

"No need!" Ye Fei shook his head.

After saying that, Ye Fei put the mask into a cylindrical transparent glass box and turned on the switch.

The young man looked at Ye Fei in shock and said, "Director Ye, what are you doing?"

Ye Fei said nothing, just stared at the computer screen.

The others also looked at Ye Fei curiously.

At this time, data is generated on the computer screen.

Ye Fei's eyes widened in surprise and he stared at the computer screen.

The rest of the people were attracted by Ye Fei's behavior and gathered around Ye Fei.

Professor Gao said in surprise: "The electrolyte ions actually passed through."

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