As we all know, Internet veteran Lei Jun has always been a very cautious person, so when the trend of new energy vehicles was rising, he did not choose to end himself, but instead invested in Xiaopeng, a domestic pure electric car company that had just been founded at that time.

Hello everyone, I am Guozi~

As we all know, Internet veteran Lei Jun has always been a very cautious person, so when the new energy vehicle Dongfeng emerged, he did not choose to end himself, but instead invested in the domestic pure electric car company that had just been founded at that time - Xiaopeng .

wait for Tesla Model 3 has been domestically produced and has become popular (here is popular here, don’t over-associate it), and there are also a lot of news in the market that Xiaomi is going to make cars. For this reason, Xiaomi’s public relations department has been working hard to refute rumors.

However, in March last year, before Xiaomi's second press conference, a news that Xiaomi told shareholders that it would build cars suddenly came out. Lei Jun also officially announced at the press conference that night that Xiaomi was about to enter the smart car industry.

After a year and a half, Xiaomi Auto, led by Lei Jun, has made rapid progress.

Some time ago, a video of Lei Jun announcing that the first engineering car had been offline at Xiaomi.

However, we have to wait a long time before we can drive Xiaomi car.

Xiaomi previously disclosed in its financial report that the first Xiaomi car will not be officially mass-produced until the first half of 2024. So when Xiaomi car is delivered, the fastest time will be in the second half of 2024. At that time, perhaps the larger Xiaomi Home will directly put a Xiaomi car in the store.

But before this, we can get a glimpse of what Xiaomi cars will look like in the future through the automobile-related patents applied for by Xiaomi~

anti-spontaneous combustion battery pack

Although Guozi himself likes to drive pure electric cars very much, because even cheap pure electric cars, its quietness and speed-up performance in the car are far better than fuel vehicles.

However, one thing that cannot be ignored is that some new energy vehicles also have the disadvantage of being "hot" and will "get angry" at all times.

So in order to reduce the frequency of spontaneous combustion problems as much as possible, many car companies and power battery companies have also spent a lot of effort to research. For example, some car companies have added a very thick flame retardant material in the middle of the cockpit and the battery. BYD has also launched blade battery , which structurally reduces the battery combustion frequency.

Xiaomi has also developed its own battery anti-spontaneous combustion technology - anti-spontaneous combustion battery pack. The patent description of this new battery pack, after the thermal runaway of the battery cell occurs, solid substances and high-temperature electrolyte are sprayed out toward the inner wall of the bottom along the direction of gravity, high-temperature gas is discharged along the exhaust passage, and solid substances and electrolyte are deposited under gravity to avoid contact with conductive structures or other battery cells.

Simply put, after the battery system monitors that the battery cell is overheated, it will automatically release flame retardant substances to prevent high-temperature gas from causing the battery to burn.

However, if the car is hit hard, according to Guozi, the effect of this technology is very limited because the internal structure of the battery pack will be deformed after the severe impact.

So Xiaomi’s patent for anti-autonomy battery pack should be to solve the problem of battery burning caused by overheating of the battery cell during fast charging of the car.

After the 800V or even higher voltage fast charging technology is fully popularized in the future, this technology can effectively reduce the frequency of spontaneous combustion during fast charging of pure electric vehicles.

longevity version fast charging

Like a smartphone, although fast charging can bring a better and more comfortable user experience to pure electric vehicles, it will indeed affect battery life.

And once the power battery life of a pure electric vehicle is decayed, it is not a trivial matter for several hundred yuan to replace the battery, and tens of thousands of yuan is considered cheap.

Therefore, if you want to turn on the rechargeable battery for a long time, the battery life is also something that you must pay attention to in daily life.

In order to reduce the loss of power batteries as much as possible, Xiaomi has also launched its own thermal management system. Since the content of the patent introduction is too obscure and difficult to understand, there is no simple and clear explanation on the Internet, so Guozi will introduce it to you in his own language.

As we all know, heating when charging a battery will have a very serious impact on battery life, so if you want to extend the battery life as much as possible, you can start from reducing the temperature of battery charging.

Xiaomi's thermal management system is like this. It dissipates heat to the charging power battery through a series of heat dissipation components, thereby achieving the purpose of extending battery life and reducing battery losses. In a word, Xiaomi's longevity version fast charging.

automatic charging robot arm

Unlike fuel vehicles, pure electric vehicles require the owner to scan the code and pull out the charging gun to charge when charging at a charging station. Although it is not very troublesome, it is still a bit inelegant compared to gas stations with dedicated personnel.

Therefore, in order to improve the experience of car charging, Xiaomi has developed robotic arm automatic charging technology.

Xiaomi charging robot arm can actively charge Xiaomi cars that need to be charged. It can automatically monitor whether fast charging can be done without manual selection by users, making charging pure electric vehicles more efficient than refueling fuel vehicles. If this point can be popularized in parking lots, it can automatically charge after getting off the car, which is another way to solve the anxiety of pure electric vehicles.

can prevent collisions with roadside door opening vehicles

Frankly speaking, Guozi likes to drive on the highway rather than driving in the city, because the city often encounters all kinds of strange problems, such as ghost probes and sudden opening of car doors on the roadside.

Xiaomi's patent application for "can prevent collision of roadside door opening vehicles" solves the latter problem.

It can predict whether the door opening angle of other vehicles will collide with Xiaomi cars through data collected by on-board radar and camera. If so, it will directly take over the vehicle for emergency avoidance.

has not been seen in the automatic driving functions of major auto companies. As a newcomer in the industry, Xiaomi is still encouraged to think so carefully.

Overall, Xiaomi Auto's R&D ideas are similar to Xiaopeng Auto , both of which focus on intelligence. To be honest, this is not very attractive to consumers in the current market.

But it is still a true and unquestionable hard power that smart cars must have, so Xiaomi and Xiaopeng are both car companies that are optimistic about. Guozi wishes them to achieve good market results in the future, making Chinese smart cars the leader in the world's smart car market!

references:

IT Home; Weibo; NetEase; Autohome

Edit: Qitian

Edit: Qitian