I Am the President of the University

Chapter 487 Lithium-air battery?

Currently, commercially available batteries are mainly lead-acid batteries and lithium batteries, and lithium batteries are currently roughly divided into four categories: lithium-ion batteries, lithium-sulfur batteries, lithium-air batteries and lithium-oxygen batteries.

As for the lithium-air battery, it is a battery that uses lithium as the negative electrode and oxygen in the air as the positive reactant.

Compared with lithium-ion batteries, lithium-air batteries have higher energy density because their cathodes (mainly porous carbon) are light and oxygen is obtained from the environment rather than stored in the battery.

It sounds like it is better than common lithium-ion batteries, but the development of lithium-air batteries is still in the early research stage, and there are still many technical difficulties that cannot be solved before practical application and commercialization.

"Preparation and performance study of key materials for lithium-air batteries."

Chen Hao was now in front of the poster, looked at the title and read it again, but this time it attracted the attention of the stall owner nearby.

"Hey, mam, are you interested in lithium-air batteries?" The other party stood up excitedly and asked Chen Hao.

Chen Hao looked at the other person. He was wearing a Polo shirt and jeans, a very typical look for an engineering man.

He has a beard, some dark circles around his eyes, and looks to be in his thirties or forties.

"I'm a bit interested." Chen Hao nodded slightly and continued to focus on the other party's paper.

"What is your research direction?" The other party didn't seem to recognize Chen Hao, but asked curiously,

"me?"

The corners of Chen Hao's lips raised, "I study polymer materials."

"Polymer materials are also very good." The man responded, but he noticed that the other party was reading the paper carefully, so he didn't speak.

At first, Chen Hao was a little dismissive. After all, the technology of lithium-air batteries is far from mature.

It was still in 2012 that the lithium-air battery field published a paper in Nature and Science for the first time, which meant that lithium-ion air batteries were officially recognized by the world's top journals.

Prior to this, lithium-air batteries were not recognized by the scientific community.

But as he looked back, the contempt in Chen Hao's eyes gradually disappeared.

His eyes became serious.

"interesting."

This paper actually surprised him.

Twenty minutes later.

Chen Hao roughly scanned the entire text. Before he could say what he wanted, the man on the side couldn't wait to ask:

"how is it going?"

Although the Poster area is a place for guests who have not received oral reports to present, it does not mean that their abilities are not sufficient.

There will also be some big names who like to communicate with people in this way. Of course, it is also possible to find some high-quality articles in the Poster posting area just like Taobao.

"The paper is overall good, and the ideas are somewhat novel. It is a good paper." Chen Hao was the first to affirm. With his ability, it is naturally not difficult to read this paper.

But there was some surprise and confusion in his eyes.

He turned to look at the other party and asked: "Although there is no detailed preparation process in the paper, I guess you must have tried it, right? Why didn't you continue?"

"Because the sponsor stopped sponsoring, the lithium-air battery research team was also disbanded." The man said bitterly.

"Why disband? As long as there is a glimmer of hope of success, I think it is worth persisting." Chen Hao was confused. Is this company a fool?

This is a lithium-air battery!

Even if there is only a 10% chance of success, it is worth persevering!

Receipt is directly proportional to risk.

The risks of lithium-air batteries are high, and the revenue after success is also huge!

Today's mobile phones are changing almost every year, from cameras to processors, everything is basically improving.

But there is no change in the power supply, it is still a 5,000 to 6,000 mAh battery, and at most it only has fast charging technology.

Why?

Because the limit of chemical power lies there. Human technology can solve many difficulties, but it will only be locked up by energy.

New materials are the forerunners of social change, but new energy is the milestone that drives everything.

The man shook his head, cursed and sighed as he explained: "Because that company believed that all-solid-state lithium batteries would be commercially available earlier than lithium-air batteries, so they sponsored a research team on all-solid-state lithium batteries."

"Damn solid-state lithium battery! Fake!"

"The new energy source of the future belongs to lithium-air batteries!"

After venting a few words one after another, the man felt like a deflated balloon, his whole body depressed.

Chen Hao glanced at him with some sympathy.

What is the ideal carrier for next-generation batteries?

It’s not a lithium-sulfur battery, a sodium-sulfur battery, or a bullshit graphene battery. Graphene batteries are just for bluffing people and writing papers.

All-solid-state lithium battery is a lithium battery that uses solid electrodes and solid electrolyte.

Solid-state batteries generally have lower power density and higher energy density. Solid-state batteries are ideal batteries for electric vehicles due to their high power-to-weight ratio. In addition to being safer than traditional lithium batteries, all-solid-state lithium batteries also have a great advantage, which is that they have a long charge-discharge cycle life, up to 45,000 times, and retain 95% of the initial capacity, which allows other The variety of batteries is unmatched.

Moreover, car companies are making faster progress in solid-state batteries than battery companies.

Volkswagen has announced plans to develop a solid-state battery with a range of 1,000km;

Toyota expects to complete the research and development of solid-state batteries in 2022 and plans to achieve mass production in 2030;

BMW has reached a strategic cooperation with Solid Power, a solid-state battery manufacturer in China, to accelerate the research and development of solid-state batteries;

Hyundai announced its investment in Ionic Materials, a company located in Massachusetts, mainly engaged in solid-state battery research and development...

As the core of new energy vehicles, power batteries play a decisive role in the performance of the entire vehicle. It is not difficult to see that solid-state batteries have become a new battlefield in the new energy vehicle industry.

Things like "charging for 1 minute and driving for 800 kilometers" are completely possible with all-solid-state lithium batteries.

Industry predictions indicate that around 2025, large-scale commercialization of all-solid-state batteries may come.

Are lithium-air batteries better than solid-state batteries?

Answer: OK!

However, there is hope for all-solid-state batteries right now, but it is optimistically estimated that mass production of lithium-air batteries will not be possible until 10 years later.

Companies can wait for three years or five years, but if they wait for 10 years... some companies will go bankrupt before that time.

In addition, lithium-air batteries are a continuous and costly investment, so it is very understandable for the other party to cancel the sponsorship.

"What's your name?" Chen Hao asked.

"I?"

The man was stunned for a moment, touched his nose, and introduced himself: "My name is Kenan Bunier, and I am a professor at Pennsylvania State University, Park."

"Oh, by the way, I have learned some Chinese by myself. You can also call me Zhou...Yu." When it came to the last two words, Bunier had some difficulty reading out the Chinese.

"System, use academic eyes." Chen Hao thought silently.

Add the information in the pop-up system interface, and a new interface will pop up after a while.

[Scientific research project: lithium air battery]

[R\u0026D staff composition: Pennsylvania State University, College Park-Professor Bunier]

[R\u0026D success rate: 15%]

Just one person has a 15% success rate? ? ?

If this were a complete star scientific research team, wouldn't it be...

Chen Hao's pupils shrank and he suppressed the joy in his heart.

He held out a hand with a calm face.

"Hello, Professor Bunir, I am Chen Hao, the president of Guanghua University. Nice to meet you!"

"As for the sponsorship of lithium-air batteries, I think we can sit down and chat in a coffee shop, what do you think?"

ps: Please give me recommendation votes and monthly votes.

There is so much information on lithium-air batteries that it can be confusing. To put it simply, finding a technology is an important help to solve the energy problem, but the technology is difficult. In terms of replacement, all-solid-state lithium batteries should be solved within 5 years, and lithium-air batteries should be solved in 10-15 years.

Because the all-solid-state battery is almost completed, in order to overtake, a lithium-air battery was arranged for the protagonist.