Rebirth of a technological power - Chapter 15 The Birth of Lithium-Air Batteries

Bragging and spanking for a while.

The two chatted for half an hour and then ended the chat.

Cai Jin was deep in thought at this time.

Their major is in the same class, with a total of 30 people from all over the world, and he is the only one in the entire Fujian Province!

Although the number is small, each one is quite good.

As a new major and key major of Southeast University, the school has invested a lot of resources in this major, and the teaching staff is very strong.

There was no way he could recruit Zhou Xinghuang.

But for others, it is not impossible.

He is currently short of talents, and if he can recruit one in the class, he will make a profit.

If you can recruit two, you will make a lot of money!

Cai Jin compiled a recruitment notice and sent it to the group, asking interested students to contact him.

Let ‘Benben’ move in the sea. Dig a hole on the beach with some water. ‘Benben’ will come out and put the seafood into the pit after catching the seafood.

During this period of time, Cai Jin imported all the information that humans know about sea creatures into the information database of Benben. When ‘Benben’ is in the sea, it will automatically identify and compare them one by one with the information database.

If it can’t afford to offend it now, ‘Benben’ won’t do it either.

Otherwise, ‘Benben’ would be buried in the sea, and Cai Jin wouldn’t even have time to cry.

Cai Jin was blowing the sea breeze and looking at his mobile phone happily.

He put out a recruitment notice, and some classmates actually approached him.

He offered his classmates an annual salary of 150,000 yuan for the first year, including food and housing!

This is already a high salary for a fresh graduate.

So some students were moved.

Cai Jin didn’t fool them. He could still afford this annual salary, and he even promised a year-end bonus.

Of course, Cai Jin also explained to them that the company was located in his hometown in the countryside, not in the city.

After an hour, three classmates agreed to come to the company after May Day.

“By the way, if my classmates can do it, why can’t my fellow countrymen!?” Cai Jin’s mind suddenly opened up.

Their school has a QQ group and a WeChat group for the hometown association. Although the group will be more active after the first session of school, everyone will be diving after that, either someone will post a bargain or post an advertisement. .

Cai Jin posted the recruitment notice in the QQ group and WeChat group, and then each sent a red envelope.

Cai Jin knows that the best way to prevent people from diving is to give out red envelopes, and these divers are the most active in grabbing red envelopes.

Sure enough, the red envelopes had just been sent out, and one group member after another grabbed the red envelopes.

Cai Jin reposted the recruitment notice again.

“Didi didi~~”

Cai Jin’s WeChat and QQ immediately had several more applications to add friends, and Cai Jin approved them one by one.

Cai Jin felt very happy. If he could successfully recruit one, he would earn one!

Among them, in addition to fresh graduates, there are also people with work experience.

There are communication and information systems, signal and information processing, circuits and systems, electromagnetic fields and microwave technology, which belong to information science and engineering.

There are also law majors!

Of course, there are also automation majors, computer majors, and materials science and engineering majors.

All of a sudden, Cai Jin recruited 20 people, 8 of whom were fresh graduates and 12 with work experience, all from all over Fujian Province.

Cai Jin directly created a WeChat group chat and pulled them all into it.

After chatting for more than an hour, Cai Jin took a look and saw that Benben had come ashore again. He looked at the battery and found that there was still some power.

Looking at the puddle again, it was already full of seafood.

Cat’s eye snails, conches, sea urchins, blue crabs, red sturgeons, sea bass. There was even a lobster that weighed about a pound!

Cai Jin took out the red wooden bucket from the car and put the seafood in the puddle into the bucket one by one, feeling very happy.

Since Benben evolved, he can enter the sea. He comes to the beach once a day and there is no shortage of fresh seafood.

Seafood, as long as it is fresh and simply cooked, is delicious.

Cai Jin returned home, took down the barrel and gave it to his mother to dispose of.

He took Benben upstairs to let Benben recharge his batteries.

He was in the group, answering some questions.

Half an hour later, Cai Jin put his hand on Benben.

[Item: Advanced C Intelligent Mechanical Dog]

[Experience value: 200000/1000000]

[Optimization point: 30.5]

Cai Jin glanced at the system panel.

Now ‘Benben’ is an advanced C intelligent mechanical dog. At this stage, if you want to upgrade, you must have 1 million experience points.

Therefore, Cai Jin did not hesitate to use optimization points to improve.

He focused all his optimization efforts on the battery. The current battery is an all-solid-state battery. Before the thrusters are used, Benben’s battery life is twenty-four hours. Using the propeller in the sea, the endurance is only four hours.

So he focused all 30 optimization points on the battery.

Small lights flickered.

Cai Jin was suddenly shocked.

[Item: Advanced C Intelligent Mechanical Dog]

[Experience value: 200000/1000000]

[Battery: all-solid-state battery → lithium-sulfur battery → lithium-air battery]

[Optimization point: 0.5]

Cai Jin took a breath of air.

After thirty times of optimization, the energy source was optimized from all-solid-state batteries to lithium-air batteries.

The energy density of solid-state batteries can easily reach 300-400Wh/kg, the theoretical energy density can reach 700Wh/kg, and the lithium-sulfur battery can reach 2600Wh/kg.

The lithium-air battery can reach 3500Wh/kg!

This means that the theoretical energy density of lithium-air batteries is five times that of solid-state batteries.

Previously, “Benben” solid-state batteries had not yet reached the theoretical energy density.

Now, it has reached the theoretical density of lithium-air batteries. With the same battery volume, the stupid ‘life’ has been directly increased by ten times!

In other words, after being fully charged once, without using propellers, the battery life of ‘Benben’ can reach an astonishing 240 hours, which means that it needs to be recharged once every ten days. When in the water, it can last for 40 hours, which is close to 2 days!

All of a sudden, the shortcomings of “Benben” were directly solved, and the battery is no longer the shortcoming of “Benben”.

Cai Jin clicked his tongue.

He still remembers that his teacher talked about batteries during class and believed that in the next 5 to 10 years, solid-state batteries and lithium-sulfur batteries will make breakthroughs and be used in business. In 10 to 20 years, lithium-air batteries are expected to be successful!

But now, this technology is in his hands.

Cai Jin couldn’t help but kiss ‘Benben’. This was simply an inexhaustible treasure.

It’s just that although the sea water on Benben’s body has dried up, the salt is still there.

Salty!

Cai Jin hugged Benben and smiled stupidly.

Today’s ‘Benben’ is so perverted!

It can be said that if he has a thorough understanding of battery technology, such as all-solid-state batteries, lithium-sulfur batteries, and lithium-air batteries, then he can easily become a new energy giant. However, those overseas giants who invest heavily in new energy batteries will directly go to waste!

These three types of batteries, any technology, will never be worth less than 100 billion!

The market size of each type of battery is in the trillions.

All-solid-state batteries can directly allow new energy vehicles to easily go from hundreds of miles to thousands of miles.