Luan Feng had already run out to greet the triumphant warriors, but he was very unpleasant to listen to.

"Zhang Xuan, if you come back two days later, you won't be able to see me. ”

Zhang Xuan's face was a question mark: "Are you going to be finished?"

"You're just finished, Wan Feng and I are going to the south to play, of course you won't see me. ”

Listen, when you say this, others still think that you are going to drive the crane west.

"I'm going to the South too. ”

"Didn't you say that Jiang Min and Jiang Min would help me take care of the factory at home? Why did you change your mind again, are you a little accurate?"

Zhang Xuan wanted to follow her to the south, Wan Feng didn't think it was strange at all, if she didn't ask to go anywhere, she would be a ghost.

But asking to go and not being able to go are two different things.

Just in case, Wan Feng also handled it for her when she applied for the border guard permit this time, of course, using someone else's name.

Her household registration is in Longjiang, and Wan Feng does not have the ability to go back and forth to Longjiang to apply for a border permit for her within two or three days.

In the late eighties, it was not too difficult to get a certificate, and Wan Feng was confident to enter the fake certificate if he couldn't do it.

Isn't it too difficult to just put a steel stamp on the photo?

"Just let Jiang Min and Erman look at the factory, what are you doing, I'm afraid you'll get lost outside." ”

"What are you talking about, do you mean I'm the dead man?" Luan Feng rolled her eyes dissatisfied.

Zhang Xuan smiled slyly: "You said it yourself." ”

Luan Feng showed off the family heirloom Nine Yin White Bone Claws on the spot, and chased Zhang Xuan all over the yard.

Wan Feng didn't have time to watch his two women running in the yard, because it was in vain to see the reaction, and he didn't dare to straighten his waist when he saw the reaction, and it was better not to look at it if he was embarrassed.

So, when the two women were chasing me, Wan Feng went back to the factory, and he wanted to see what Yang Li and his classmates were doing now.

When Wan Feng arrived at Yang Li's lab, Yang Li and her classmates were not conducting any experiments, but were flipping through some books.

"Mr. Wan, although we are studying chemistry, we don't have much contact with lithium in school, so what we are doing now is to read all the books related to lithium ions, fully understand the advantages and disadvantages of lithium, and make theoretical reserves for future experiments. ”

Wan Feng did not question Yang Li's statement, this is what they should do.

If they come up and do experiments, he is really worried that lithium is not a good thing, otherwise Samsung's mobile phone will not become a bomb.

"Mr. Wan, we are looking through these Chinese and foreign books, although the lithium battery was successfully developed in Bell Labs in 70 years, but it has not been able to be commercialized for so many years, Mr. Wan, are you sure that this thing can be successful as a commercial battery?"

Although lithium-ion batteries were successfully researched in the seventies, the real commercial use was not until May 91, when the first mobile phone lithium-ion battery was made, and the lithium battery was officially introduced to the market.

Yang Li: Of course they don't know.

Lithium is a very reactive alkali metal that provides a high voltage. It can provide a voltage of 3V, while lead-acid batteries only have 2.1V and carbon-zinc batteries only have 1.5V.

Another characteristic of lithium is that it is light, it is the lightest of all metals, so light that it can float in kerosene. Moreover, the radius of lithium ions is small, so lithium ions move more easily in the electrolyte than other larger ions.

These are the advantages of lithium-ion, but it also has its disadvantages.

Because it is extremely active, it can react with water and oxygen, and it can react with nitrogen at room temperature.

It was so difficult to preserve it, and it floated up and burned in water or kerosene, and the chemists had to force it into petroleum jelly or liquid paraffin. As a result, lithium metal is much more complex to preserve, use or process than other metals, and is very environmentally demanding.

To sum up, lithium batteries have not been used for a long time.

But these problems are not a problem for Wan Feng, although he is not a chemist and does not understand how lithium-ion batteries work.

But in the previous life, when he was idle and looking around on the Internet, he had studied a lot of messy things, and he had no other purpose but to be curious, to see how those messy things worked, and what materials were made of.

These messes cover almost three hundred and sixty lines, from small needles and threads to large rockets and missiles.

Some of them were forgotten after reading them for a long time, but he remembered the things he saw that were relatively close to his rebirth.

Lithium batteries are probably the things he remembers a lot.

He has been with lithium-ion batteries several times, and some general things are still more or less impressive.

Lithium-ion batteries are used on a large scale and are composed of a positive and negative electrode, a separator, and an electrolyte, with graphite and carbon used for the negative electrode, lithium cobalt oxide for the positive electrode, and organic solvents containing lithium salts for the electrolyte.

Wan Feng knows all these things when they are written, but it is not clear how to combine Wan Feng, anyway, when Yang Li and their formal experiments were carried out, they added them and reminded them carelessly, maybe they would succeed.

"Don't worry, I'm here this time to ask you, our experimental building has been built, your chemistry group will be divided into several offices and laboratory storage rooms or something, you see what is the best location for your laboratory, and then make a list of the experimental equipment and materials you need, the company will procure, if your country does not have it, it will be from the Soviet Union, time should be hurry, I will take these lists with me when I go to Longjiang again." ”

"Okay! We'll do that right away. ”

"It's better to write in detail, and we'll do it all at one time, so as not to find it when you get it." ”

Wan Feng felt that it would cost him a lot of money to buy these things, and it was definitely not a small amount that could be recovered.

Of course, if this amount were obtained on the Soviet side, it would be greatly reduced.

Seeing that it was already noon, Wan Feng drove to Wahou Daji to pick up Zhan Honggui and them, and in the afternoon he wanted to take them to visit his factory.

After seeing Zhan Honggui and the four of them, Wan Feng took them to a snack bar and asked for a few side dishes to make do with lunch.

"I'll take you on a tour of my factory in the afternoon. ”

"Didn't you say that your factory produces motorcycles, is it really fake?" Wang Zhonghai questioned.

"You've been eating here for the past two days and waiting to die? Do you know the truth even if you hear what others say? Tell you, there are two kinds of motorcycles produced here, have you seen the Jiangwei 70? Nanwan 100 has also seen it?"

Wang Zhonghai nodded.

Wan Feng looked at the Wahou Machinery Factory a few hundred meters away from the window: "Did you see the factory where the chimney was smoking? That factory is the one that produces Jiangwei 70, and they now have a production capacity of 300,000 units." ”

"Jiangwei 70 is produced in that inconspicuous factory?"

"This is the main factory, and another branch was built in Yawan last year, otherwise where would the output of 300,000 units come from. ”

"You're such a magical place to build anything. Zhan Honggui admired from the bottom of his heart.