The electron microscope quickly scanned the structure of the battery in front of him. On the other side, Xiao u had already begun to display the internal structure of the battery on the display screen.
Cheng Hao looked at the structure of the battery in front of him with curiosity in his eyes.
“What’s going on??”
Cheng Hao glanced at the structure of the battery in front of him, and a look of disbelief suddenly appeared in his eyes.
Because he discovered that in the battery in front of him, only the positive electrode had metallic lithium reaction, while the negative electrode was abnormally empty!
Looking at the structure in front of him, Cheng Hao suddenly had a glimmer of light in his eyes.
Is it a lithium air battery??
Cheng Hao felt a flash of excitement in his heart.
The so-called lithium-air battery, as the name suggests, is a battery that uses lithium as the negative electrode and oxygen in the air as the positive reactant.
Because oxygen is not limited as a positive reactant, the capacity of this battery only depends on the lithium electrode, and its specific energy is 5.21kwh/kg (including oxygen mass), or 11.4kwh/kg (excluding oxygen).
Because the lithium-air battery does not contain solid matter in the oxygen section, its specific energy is extremely high, and the energy density it can store is naturally extremely high.
Theoretically, the energy density is much greater than that of lithium-ion batteries.
Needless to say, the performance goes without saying.
However, in the human scientific system, the current so-called lithium-air battery is just an idea, and most scientists only theoretically explain that this kind of battery may exist.
But at present, few people can even make something similar in the laboratory.
After all, using oxygen as the cathode is still a bit incredible based on humankind's current technology.
These thoughts flashed through Cheng Hao's mind, but he still stared at the screen. The full picture of the battery gradually began to appear on the screen in front of him.
But after seeing the full picture of the battery, Cheng Hao frowned slightly.
Cheng Hao has studied batteries before. When he followed Academician Lin in the laboratory to make conductive coatings for lithium iron batteries, Cheng Hao didn't come into contact with too many batteries.
But the structure of the battery in front of him is completely different from the battery image inherent in Cheng Hao's mind. Even it seems to be different from the lithium-air battery imagined by humans.
This... is a battery???
Cheng Hao frowned tightly.
It's not that the structure inside is too complicated, on the contrary, Cheng Hao feels that the structure of the battery in front of him is too simple, so simple that Cheng Hao can't believe it.
Is this really a battery??
Cheng Hao had some doubts, but soon, Cheng Hao eliminated the doubts in his mind.
Because when I extracted this thing from the system, the system told me that this was a broken battery.
Presumably, the system will definitely not make such a low-level mistake!
Maybe, it’s because of the difference in energy storage methods?
Cheng Hao's heart moved slightly.
As we all know, traditional lithium-ion batteries mainly rely on the movement of lithium ions between the positive and negative electrodes to work. During the charge and discharge process.
Li intercalates and deintercalates back and forth between the two electrodes: during charging, Li deintercalates from the positive electrode and embeds into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; during discharge, the opposite is true.
The battery mainly consists of five parts.
Positive electrode - the active material is generally lithium manganate or lithium cobalt oxide, lithium nickel cobalt manganate material
Separator - a specially formed polymer film with a microporous structure that allows lithium ions to pass through freely, but electrons cannot pass through.
Negative electrode - the active material is graphite, or carbon with a graphite structure, and the conductive current collector uses electrolytic copper foil with a thickness of 7-15 microns.
Organic electrolyte - a carbonate solvent in which lithium hexafluorophosphate is dissolved. For polymers, a gel electrolyte is used.
Battery shell - divided into steel shell (square type is rarely used), aluminum shell, nickel-plated iron shell (used for cylindrical batteries), aluminum-plastic film (soft packaging), etc., as well as the battery cap, which is also the positive and negative electrode of the battery.
end.
The special battery in front of me seems to have only three components.
A shell, some solid compound, and then some special liquid.
Only these three components made Cheng Hao a little curious.
Either this battery is a lithium-air battery, or these metallic lithium parts are its negative electrode, and these liquids are its positive electrode.
Perhaps, we should test what the main contents of these liquids are!
Thinking of this, Cheng Hao's spirit perked up slightly.
He pondered for a moment.
"Xiao u, help me add some liquid to the battery, open a small gap, and take out some liquid. Pay attention, if you find anything in a film state, stop immediately!"
After hearing Cheng Hao's words, a mechanical arm next to him began to work slowly.
This is the importance of artificial intelligence. If it were a person to do this, it would be more troublesome. If it were a program to control the robotic arm, it would be too programmed and there would be no way to fully understand what you mean.
.
Artificial intelligence can combine these two points very well.
Looking at the test bench, the robotic arm carefully began to disassemble the battery.
The movement was very slow, because Cheng Hao had said before that the structure of the battery could not be destroyed on a large scale, but it seemed that Cheng Hao had never seen the alloy in the inner shell of the battery.
The more this happened, the more excited Cheng Hao became. These things are all new materials and new alloys!
In the field of materials science, mankind has not made any significant progress for a long time!
After calming down a little, Xiao U next to me carefully opened a hole with a laser knife, and a little bit of the metal cover fell off.
The other robot hand next to Xiao U has already taken the piece of metal and placed it in front of Cheng Hao's eyes.
Cheng Hao briefly observed the bit of metal in front of him.
"Silver, it seems to be flashing with fluorescence, and then there is a lavender color, which seems to contain metallic silver."
Cheng Hao looked at the bit of metal in front of him and muttered to himself.
"Put this bit of metal on the metal analyzer and analyze it."
Cheng Hao said to Xiao u.
Soon, this bit of metal was placed on the metal analyzer.
Looking at the data on the metal analyzer in front of him, Cheng Hao's heart sank slightly. What he was most worried about might very well happen.
Although I don’t know where this broken battery came from, it is a product of the system after all, and it definitely cannot be from the earth.
Things from aliens, who knows how many metals there are in aliens that are not found on earth!
If this battery contains many metals that are not found on the earth, then there is no way for me to restore this battery. I can only learn from some of the physical properties above...