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What's the next lithium-ion battery?

Recently, the battery spontaneous combustion incidents of Tesla and NiO have been frequent, Battery recycling line and everyone's attention to lithium batteries has shifted from the scope to the safety issue. From the consumer's point of view, we certainly hope to have a perfect battery with low price, long battery life, good performance and high safety, but this does not conform to the laws of physics. Battery research is like playing with a balance, which requires constant coordination and compromise among several dimensions. Usually, changing the indicators in one area will affect other areas.

I recently came across an article Bill Gates on Linkedin. lithium battery welding machine Few inventions, he says, have changed people's lives as much as the battery. Meanwhile, a growing number of inventors and investors are working to make better batteries. On April 8,2019, his retweeted article“How we can achieve the next big breakthrough in Battery Technology” was published, which contains some of the latest information. I translated the original into Chinese for your reference! Click on the link at the end of this article to read the original article.

Share the contents of Bill Gates LinkedIn account.

Electric cars could be the future of aviation in China. mounting machine In theory, they will be quieter, cheaper, and cleaner than the corporate-owned planes our country now has. Electric aircraft that can be recharged 1,000 kilometers (620 miles) at a time today could be directly used to solve half of all commercial aircraft flying safely, reducing the carbon emissions of global development aviation by about 15 percent.

The same is true for electric vehicles. Electric vehicles are not just clean versions of similar products that emit pollution. Basically, this is a better car: its engine is quieter and it reacts faster to the driver's decision. The cost of charging an electric car is much lower than the cost of paying the same amount of gasoline. Electric vehicles can be manufactured with a small number of moving parts, which makes the maintenance cost lower.

So why haven't electric cars taken off? That's because batteries are expensive, making the upfront cost of electric cars much higher than comparable gasoline-powered cars. Also, unless you drive a lot, the gas savings don't always offset the higher upfront costs. In short, electric cars are not worth it.

Similarly, current batteries cannot store enough weight or volume of energy to drive a passenger plane. Before the battery technology becomes a reality, a fundamental breakthrough is still needed.

Battery-powered portable devices have changed our lives. However, if we can make safer, more powerful, and more energy-dense batteries cheaply, they are more likely to be damaged. No laws of physics can rule them out.

However, although the closely related research has been carried out for more than two centuries since the invention of the first battery technology in 1799, scientists still don't fully understand the basic working principle of what happened inside these information devices. What we know is that in order for batteries to really change our lives again, students need enterprises to solve three main problems: electricity, energy and safety.