Late at night, Baoshan base.

"Mr. Luo has been in the office all day, right?"

"No, when I brought him lunch, I saw him closing his eyes and recuperating, with a frown, as if he was thinking, and when I brought him dinner, I saw him writing formulas quickly in his notebook."

"It's not easy, after all, after the hardware department has finished the battery, the next thing is the car project."

"Really?"

"Of course it's true, you didn't see that Mr. Luo used to point out most of the project departments below, and now he has personally played, constantly writing complex formulas that I can't understand, and drawing a lot of circuit design drawings."

Several employees of the administration department were whispering about Luo Jia's changes in the past few days.

In Centron Technology, the administration department is equivalent to the function of the logistics headquarters.

Luo Jia wants to eat something and find the administration department, wants to print some documents, send a few couriers, or find the administration department, so they are very aware of Luo Jia's recent changes.

In the past, Luo Jia was like an inspector, today I went to this project team to have a look, led everyone to think about how to overcome the problem, and tomorrow I went to other project teams to listen to their work progress.

When he encounters difficulties, he convenes a meeting of the brainstorming group.

But now, Luo Jia locked herself in the office and didn't go out all day, as if she was going all out to solve some problem.

Unlike the way other people work, Luo Jia needs to be absolutely quiet, because when he is designing a plan, he has to constantly check the information, and the information is in his brain.

On the one hand, it is necessary to extract useful parts from the massive data, and on the other hand, to integrate these technical data into a feasible solution.

What he currently wants to solve is the problem of consistency at the back end of lithium batteries, that is, large-scale electronic control systems.

This thing is one of the lifeblood of electric vehicles, and its importance is even higher than that of the battery pack.

For the past few days, Luo Jia has worked at least 16 hours a day, except for thinking in the office and sleeping in the meditation center, and her only entertainment is to call her parents in Russia and ask them about their travels.

Despite Luo Jiaqian's instructions, Comrade Luo Ning still made trouble.

The day after arriving in Vladivostok, Comrade Ronin got into a fight with the Russians.

When he learned that Vladivostok's Russian name was Vladivostok, which means conquest of the East, and that there was a sculpture on the seashore pointing to the land of China, he was very unhappy and glared at the local guide.

The ground tour guide is Russian and can speak Chinese, and he asked Comrade Luo Ning, what are you looking at me for?

Comrade Luo Ning said, Vladivostok, Hailan Pao, Lake Baikal, these places are all robbing us of China, between 1926 and 1937, you have a large-scale expulsion of China, killing nearly 200,000 Chinese, this account will be settled sooner or later!

The Russian tour guide was in a hurry on the spot, and the two of them didn't say a word, and just worked together.

Comrade Luo Ning was punched in the face, and the Russian tour guide was opened by Comrade Luo Ning with a wine bottle, and the two of them fought fiercely, which frightened Luo Jia's mother.

Fortunately, in addition to arranging ground pick-up, the travel agency also arranged a full escort and a driver, who quickly persuaded people to leave.

It is said that it is so unpleasant, Comrade Luo Ning should hurry home.

As a result, Comrade Luo Ning said that he would not leave anything, and shouted that this is our land, so why should I go?

There was no way, so the travel agency had to send Comrade Luo Ning and Luo Jia's mother to Lake Baikal overnight, for fear that the head snake guide would find an opportunity to retaliate, and urgently arranged two bodyguards with big shoulders and round waists among Comrade Luo Ning's entourage.

When Luo Jia and Comrade Luo Ning talked on the phone, he was not finished, shouting that next time they met, he must be good-looking in that Russian.

Anyway, Comrade Ronin's trip to Russia began in this vigorous atmosphere.

Luo Jia can't help his father, he has an upright personality all his life, and he is jealous and hateful, so he has to repeatedly ask him and his mother to pay attention to safety.

......

Shenzhen Market, BYD Group.

It is rumored that the major battery factories and Luo Jia have fallen out, but in fact, it is just an illusion.

After getting the separator and machine of Xingchen Technology, the major battery factories have been working overtime to catch up with the first batch of products.

On May 5, the first batch of 18650 high-capacity batteries officially rolled off the production line, and subsequently, they conducted consistency testing on this batch of products.

What is consistency testing?

It is to test whether all batteries are performing exactly the same, and the testing process is extremely complex, with hundreds of tests to be carried out.

From physical properties to chemical properties, from internal resistance to voltage, from electrolyte injection to the width and density of the electrode piece, from the charge curve to the discharge curve.

All in all, it's a super complex project.

The purpose of conformance testing is to ensure that all batteries are identical.

10,000 batteries, after a full charge and discharge of 100 times, the capacity drops by 3.7%, then all must be 3.7.

If there is a drop of 3.6 and a drop of 3.8, there will be a big problem in the end.

This is the harsh standard of power lithium batteries, all lithium batteries, whether 10,000 or 100 million, must be all consistent, and the error rate must be strictly controlled.

After all, the power battery is for electric vehicles, and there are often seven or eight thousand, or even tens of thousands of batteries on an electric vehicle, and it is necessary to ensure that each battery will not have problems.

People who don't know about this industry will always think that batteries are just batteries, what is the difficulty?

However, in fact, the lithium battery industry is really difficult and belongs to the absolute top technology.

So far, no manufacturer in the world can completely solve the problem of battery consistency, and even Panasonic, the world's No. 1, can't do it.

Tesla, which uses Panasonic's top-of-the-line battery, cannot be said to be not advanced, and the price is also very high.

But even Tesla spontaneously combusts.

The root cause is that the front-end and back-end electronic control is not perfect, and after a period of use, individual batteries age too quickly, which leads to catastrophic consequences.

BYD's engineering team repeatedly tested the first batch of batteries off the assembly line, and then put the test report on the desk of the big boss Mr. Wang.

After Mr. Wang finished reading it, he was stunned!

According to the test report, the total number of batteries in the first batch is 100,000, and all the performance is exactly the same!

Mr. Wang was stunned, took off his glasses, quickly wiped them with a glasses cloth, and then picked up the report again and read it from the first page.

After a long time, he put the report on the table, exhaled deeply, and said to Liao Anhai, the chief engineer who had been waiting next to him, "100,000 batteries, all the same, I read it right?" ”

Liao Anhai nodded vigorously, "No, it's really 100% consistent, we have never seen this situation before." ”

Rumble~

Mr. Wang's head exploded directly, and when Luo Jia sold the machine and diaphragm to BYD that day, he didn't mention the matter of consistency.

Mr. Wang felt that everyone's level should be about the same, and there were seven or eight substandard products in 10,000, which were also allowed by the industry, so he didn't ask much.

At this moment, he found out that the defective rate of the batteries made by the machines of Xingchen Technology was actually zero among the 100,000 batteries! There are no defective products at all!

Liao Anhai said in a deep voice, "Mr. Wang, this time the problem is big, we people in this line of work are very clear, the so-called defective products are like students who have taken the test for 50 points, but in such a large class, there are not only 50 points in the test, but also 60 points in the test, 80 points, anyway, as long as it is higher than 60 points, we are considered to pass." ”

"But the products made by Xingchen Technology are all 100 points! It's not an exam anymore, it's a machine answer! Our engineering department thought the test results were completely incredible, and we really didn't know how they did it! ”

"Hell yes!"

Mr. Wang rarely scolded a dirty word, he is a master of the Nonferrous Metals Research Institute and a senior intellectual among businessmen, so he knows too well the horror of Xingchen Technology's technology.

Lithium batteries with perfect consistency?

What the hell is going on!

To be honest, he is a little frightened now, even Panasonic failed to overcome the problem, and Xingchen Technology actually solved it in one fell swoop?

I knew that this was the result, when I was in Changzhou that day, Mr. Wang would not have cheered and applauded, and he should have bowed and worshipped!

"Book your flight now!"

Mr. Wang suddenly got up from his seat, his face flushed, and said to the secretary, "I'm going to Shanghai." ”

......

The manufacturers who have bought diaphragms and machines from Xingchen Technology, their CEOs came to Shanghai because they were shocked by the test results.

I thought that Xingchen Technology solved the problem of battery density, who would have thought, they also solved the consistency, the most terrible problem!

From Mr. Wang of BYD to Mr. Huang of CATL, these lithium battery bigwigs entered Luo Jia's office with an eager look.

Listening to their words, Luo Jia smiled and scratched her head, "I seem to have said this question, right?" ”

Mr. Wang hurriedly waved his hand, "I didn't say it, I remember it very clearly, I knew that you had even solved the consistency problem, so why didn't we rush over overnight?" ”

Mr. Huang of the CATL era also said, "Yes, that day we all thought that you had a battery technology with a density of one-sixth higher than that of Panasonic, and now it seems that your technology is not only strong, but also a god!" ”

Luo Jia recalled, "You are mistaken, I said that day that Xingchen Technology has completely opened up the lithium battery technology chain, and this technology chain obviously includes consistency problems." ”

Everyone was dumbfounded, such an important technological revolution was actually taken by Luo Jia, and it was not taken as the focus!

What is this called?

You must know that for the lithium battery industry, the consistency problem is more than the density problem.

After all, a lower density will not kill people, and consistency problems will cause the vehicle to burn or even explode, which will kill people.

"We solved it through a mold temperature machine." Luo Jia said, "I am not convenient to tell you the specific technical details, but our mold temperature machine has added three new indicators on top of the traditional four technical indicators." ”

"In short, what I sell you is not only a machine, but a complete set of solutions, if you don't use our mold temperature machine, change to another manufacturer's machine, don't look for me if there is a problem."

I see!

Everyone suddenly realized that the mold temperature machine is a machine used in the coating process of lithium batteries, in order to keep the raw materials uniform and highly consistent.

Luo Jia did not mention the mold temperature machine to the outside world, but secretly sold the mold temperature machine to BYD.

Now that I think about it, there is actually a reason why Luo Jia didn't mention the mold temperature machine.

It turns out that the mold temperature machine manufactured by Xingchen Technology is completely different from the past products, and has made major technical upgrades!

Just when everyone was ecstatic and said that they would expand production immediately, and when they were doing a big job in the lithium battery industry, Enron suddenly rushed in.

He didn't even have time to say hello to Luo Jia, he turned on the TV directly and adjusted to the news channel.

"It's exploded!"

"Ten minutes ago, it really exploded in South Korea!" An Ran shouted excitedly.

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