Woo!Reborn in 2000, spoiled by the boss

Chapter 487 MPDMS Material Improvement【4】

"That's right." Yang Jingjing nodded, and then asked, "Do you know how lithium-ion batteries work?"

"I know." Cen Li nodded, "Lithium-ion batteries are mainly composed of positive electrode materials, negative electrode materials, electrolytes, and separators, and rely on Li+ charging and discharging between the two electrodes to intercalate and deintercalate back and forth."

"Because of this, when the lithium battery is overcharged and charged and discharged, the lithium deposition on the surface of the negative electrode will be uneven, and dendrites will easily form. At this time, the lithium dendrites grow significantly. When the dendrites fall off or break, "dead lithium" will be produced, resulting in the irreversibility of lithium."

Yang Jing explained in detail, "When the sharp dendrite penetrates the separator, the positive and negative electrodes are short-circuited and in a self-discharge state, accompanied by a large amount of heat generation, it will cause the lithium battery to catch fire or even explode."

After listening to this, Cen Li suddenly realized that this was the case.

She had always known that lithium batteries were dangerous, but she didn't know where the danger came from, and now she understood it completely.

She continued, "So, to improve the safety of lithium batteries, it is very important to solve the problem of lithium dendrites."

Yang Jing showed admiration, "That's right, it's just that although all countries are trying to find a way, they still don't have a clue."

Hearing this, Cen Li couldn't help asking the system, [System, is there a solution to this lithium dendrite problem in the system mall? ]
[Return to the host, yes, and the host has the qualification to exchange, need 2000 knowledge points, do you want to exchange? 】

When Cen Li heard that it could be exchanged, she was immediately overjoyed, [Exchange, must be exchanged! ]
She has a lot of points and knowledge points now, I'm afraid she can't exchange them, if she can exchange them, she will definitely exchange them.

[The exchange is successful, please check with the host. 】

Cen Li touched the flash drive in his hand, feeling indescribably excited, and tried to calm down before saying, "Then shall we study all the laboratories that study lithium dendrites?"

Yang Jing looked at her with a smile, "Yes, why are you interested?"

Cen Li nodded and said, "Yes, I want to see what kind of lithium dendrites can make mobile phones explode."

Yang Jing didn't reject him, but was rather happy, "Scientific research starts with interest. This is a good thing. I'll take you to the laboratory."

Not long after, the two arrived at the Institute of Physics, and the brother in charge of research on lithium dendrites was named Chen Ke.

He also knew about Cen Li, knowing that she was known as a koi, so he welcomed her very much.

Turning on the computer, Cen Li looked at the information provided by the system in detail.

The method given here is to stabilize the lithium metal cathode by creating a solid electrolyte interface (SEI) on the surface of the lithium metal through the adsorption and reactivity of the mercapto group on the lithium metal.

Using a simple dip-coating method, a protective layer is formed by MPDMS, which effectively suppresses dendrite growth and promotes stable cycling of Li metal anodes.

The protective layer is formed by combining the mercapto groups of MPDMS with lithium metal, which makes the artificial SEI rich in inorganic components, thereby stabilizing the SEI structure and facilitating the charge transfer on the lithium surface.

As for the experimental method, the first thing she needs to do is to improve the processing of MPDMS materials, which is required in the system. Of course, the method of how to improve is also informed.

It's just that for her, a novice in materials science, it's a bit difficult.

Even with a systematic guidance method, she still learned many details while experimenting.

(End of this chapter)