The sky was bright outside the window.

Lu Zhou, who fell asleep on the table at some point, rubbed his eyes, moved his stiff arms, and stood up from the chair.

Then, the first thing he did when he stood up was to walk up to the digital microscope and examine the samples under the microscope.

There were no explosions and no smoke.

Seeing that the sample was intact, Lu Zhou was overjoyed, and then looked at the computer next to him, and quickly went through the photos he took like flipping through a slide.

"It's done!"

His fists clenched, and he almost couldn't hold back his cheers.

From yesterday afternoon to now, he has done a total of four sets of charge-discharge cycles, and none of them have appeared lithium dendrites!

The lithium ions flying to the negative electrode do not form white branches, but deposit a layer of moss-like folds underneath the PDMS material, which are superimposed layer by layer.

Judging from the data on the BK-6808 rechargeable battery tester, not only is the lithium dendrites formed, but even the coulomb efficiency is maintained at a fairly high level!

The effect was good, which surprised Lu Zhou.

He originally thought that at least PDMS materials and those carbon nanospheres would have to be combined to completely solve the lithium dendrite problem. As a result, I didn't expect that even if the PDMS material was pulled out separately, the effect was amazingly good.

As for the role of those carbon nanospheres, Lu Zhou maintained his previous speculation, in addition to accelerating the precipitation rate of lithium ions, it was probably used to "flatten" the folds under the PDMS material.

As for those mossy "folds", there is definitely an impact on battery performance, but at least much better than deadly lithium dendrites!

Without those small balls, as the battery continues to charge and discharge, the wrinkle phenomenon will intensify, although it will not puncture the lithium dendrite, but the Coulomb cycle efficiency will definitely decrease, making the battery life reduced.

This flaw may be unacceptable for an advanced civilization, but for any company on Earth, it is negligible.

Under the premise of safety guarantee, it is the greatest pursuit of the industry to do everything possible to improve the energy density of the battery without reducing the service life of the battery!

It's like someone else's mobile phone is fully charged to brush a week's scarf and play games for a week, while your mobile phone is fully charged and played in less than half a day, and the market competitiveness is high.

Of course, this comparison may be a bit exaggerated, there are many factors that affect the performance of the battery, and the specific endurance depends on how the battery and the chip that controls the battery are designed, and this part is difficult for Lu Zhou to interfere with.

But there is no doubt that this new type of anode material will provide endless imagination for the entire industry!

Whether it is a lithium borate battery or a lithium manganese cobalt oxide battery widely used on the market, the negative electrode is mainly graphite. As for the lithium-sulfur battery still lying in the laboratory, he knelt under the feet of Lithium's father and sang conquest.

Therefore, Lu Zhou knows very well what the results he has made in the past half a month mean something.

Taking a deep breath, he closed his eyes and said silently.

"System, what do you do with those carbon nanospheres?"

The system did not respond.

Opening his eyes, Lu Zhou stared at the sample on the microscope and said softly.

"Is that really the case......

As he expected, the technology contained in those carbon nanospheres was beyond his level of material science, just like the separator that screened oxygen molecules, and he did not have access to that part of the information for the time being.

It doesn't matter if it's too much.

The data scanned from Wreckage One is stored on his computer, and he doesn't necessarily have to rely on the system to solve everything.

When his own laboratory is built, it is only a matter of time before he hires a group of researchers to help him work and restore the technology in it one by one.

Unplugged the power supply, Lu Zhou kept the battery sample under the microscope in a small box prepared in advance.

Immediately afterwards, he saved all the photos on the digital microscope and the data on the BK-6808 rechargeable battery tester to a USB flash drive, and the original data stored on the device was completely destroyed by him.

After cleaning the laboratory and confirming that there was nothing "interesting" left, Lu Zhou left the laboratory happily and returned the key to Mr. Wang, who was in charge of managing the laboratory equipment.

Coincidentally, when he went out, Lu Zhou ran into Senior Brother Qian.

Seeing Lu Zhou, Senior Brother Qian said hello and said, "Is the experiment done?" ”

Lu Zhou smiled and said, "It's done." ”

Originally, he just took a look, but Lu Zhou suddenly thought of something and stopped Senior Brother Qian, who was about to walk into the office.

"By the way, are you working on electrode materials?"

In the second half of last year, when Lu Zhou was helping Professor Li with a project, he heard him talk about what electrode materials he seemed to be studying this year.

"Yes," Senior Brother Qian nodded and asked with a smile, "Interested?" ”

Lu Zhou did not answer this question, but asked in reverse: "What project are you?" ”

It's not something worth keeping secret, so Senior Brother Qian replied in a casual tone: "The cathode material of lithium-sulfur batteries." The latest research results of the Massachusetts Institute of Technology have found that the immobilization of sulfur in mesoporous carbon materials as cathode materials can effectively slow down the growth of lithium dendrites in the negative electrode. As for more specific things, I won't say more, signed a non-disclosure agreement. If you are interested, Professor Li would welcome you to join our team. ”

"Forget it, Academician Lu will definitely not be happy to see me go fishing." Lu Zhou smiled, hesitated for a moment, and said, "Moreover, I don't think it's a good choice...... I've read the paper you said, and I'm actually doing similar research. ”

After considering the wording in his mind, Lu Zhou continued.

"But I think if this discovery was really that important, the MIT research team would not have been able to publish it in the journal so easily, at least not in such a hurry."

A technology that has already been disclosed cannot be patented because it would conflict with "novelty" in the patent laws of various countries.

Although it is not excluded that those selfless scientific research workers benefit the society, generally those laboratories with enterprise investment (mainly engineering) usually adopt the model of registering patents to protect the research results and then publishing papers for high-value scientific research results.

It is very likely that it is not reliable to throw it into a journal so easily, and something similar has not happened, even in the field of batteries.

Around 2011, a paper on aluminum-ion batteries published by Cornell University's L-Archer research group in the journal JECS proposed a battery model in which Al does the negative electrode V2O5 as the positive electrode, which has been widely reported as a "breakthrough" in the battery industry, and has even been highlighted by the famous journal "Science".

It's hard to say whether these people were cheated of funds, but in short, the final outcome is that this proves to be an oolong.

At the MRS conference, Cornell people were "hung up and beaten" with convincing data by a young man named Luke Reed, and there was no way to fight back......

Lu Zhou didn't know whether MIT's research results were correct, but he did know that there was no future for starting with cathode materials to study how to inhibit the growth of lithium dendrites.

Because, he has solved this problem once and for all.

Even, it is about to register a patent.

Senior Brother Qian shook his head and said, "Whether it is feasible or not, we will use experiments to test it, and we can't discuss anything on our lips." ”

Hearing Senior Brother Qian say this, Lu Zhou could only sigh lightly and said with a smile.

"That'...... Good luck. ”

There was more he couldn't reveal.

Even if you keep talking, no one will believe it, but it will be easy to offend people. What's more, many things can't be explained clearly at all, so they can only be watered down.

Out of the past, the reminders he can make can only go so far.

However, he doesn't have to worry about what kind of expression he should use to face the old professor and two old teammates who have fought side by side when the paper comes out.

At the earliest, his patent will have to wait until next year before he can start writing and submitting papers.

If nothing else, he was already in Princeton by then.

Perhaps, by that time, Professor Li would have given up on this unreliable topic?

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