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Earlier in the last century, the first generation of electric vehicles came out, but because the battery energy can not be comparable to the fuel tank, resulting in large-scale death of electric vehicles. Ten years ago, the second generation of electric vehicles led by automobile manufacturer Tesla appeared on a large scale. Even though the battery has improved significantly earlier, it still continues to hinder the development of electric vehicles. At the same time, the fuel economy of vehicles has also been significantly improved, which further exacerbates the difficulty of competition between electric vehicles and fuel vehicles.
Although the third generation of electric vehicles will receive many improvements, the most important improvement is the energy issue that urgently needs to be solved. However, there are many technologies on the market that can eventually help electric vehicles kick fuel-powered vehicles out of the game.
Inductive charging
Whether it is a smartphone or an electric car, through inductive charging technology, the device can be charged without being physically connected to the power source. Interestingly, although Tesla launched the electric car in 2003, and it is ahead of its competitors in all aspects, Nissan and Infiniti are the first car manufacturers to provide this charging function. You know, car induction charging technology was first known by Tesla Roadster, but it did not seem to attract Tesla ’s interest.
Qualcomm also has its own inductive charging technology, called Halo, which can be used in parking lots and interstate highways. This technology requires the car to maintain a close distance, but does not require contact. This technology can be said to be a big improvement over the car plug-in charging. Part of the improvement is that the device can be completely buried, greatly reducing the possibility of being damaged or damaged by the "two knife" driver. In most cases, all you have to do is park your car, any energy consumed by your car is free, and you will receive a list of energy consumption at the end of the month.
Qualcomm is now promoting this technology. Unless the technology is installed on the road, it cannot solve the battery life problem, but it can reduce the occurrence of related problems and make charging more transparent and reliable. However, inconsistent technical standards can also cause problems. The entire electric vehicle industry has long been troubled. Non-uniform standards mean that you must find a parking lot where your car can be charged, and road charging solutions will not be feasible. . This may be the reason to restrain Tesla's progress.
Lithium air battery
IBM and other companies are developing a promising technology: lithium-air batteries, which can handle the energy density of a fuel tank. In the past few years, metallurgy has made significant progress, enabling batteries based on lithium-air technology to be realized within 10 years. If the battery has the same energy capacity as the fuel tank and the same size, it can be used to replace the Tesla S giant battery pack. You may drive this car and then quadruple the mileage. When driving to 1,000 miles, you don't need to worry too much about the charging plug. More likely, engineers may use a smaller battery to make electric cars lighter and cheaper. Coupled with the fact that charging plugs are more common, this may almost become a rule-breaker in the electric vehicle industry, showing higher energy efficiency than gasoline.
Supercapacitors (Supercapacitors and ultracapacitors)
Supercapacitors are an alternative to batteries, and in fact they have been used in commercial vehicles. Capacitors are solid. They have an almost infinite life cycle, can be charged and discharged thousands of times, faster than lithium-ion batteries, and will not cause damage. In a way, capacitors and ordinary batteries are like flash memory and hard disks. At first, flash memory performs better, but it is more expensive than hard disks. Even the iPod initially had a hard drive. However, with the decline in flash memory prices, its market share is getting higher and higher, and now hard disks are being eliminated by the market.
Unfortunately, capacitors are still in the early stages of transition. Now, capacitors are very expensive, they will fail to charge after a while, and their energy density is lower than that of batteries. From these, capacitors may not solve the energy problems of electric vehicles in the near future, but like flash memory, their prices are expected to fall sharply, energy density will increase, and self-discharge rate will also improve. However, capacitors have been adopted in hybrid power plants. Users can quickly charge the capacitors within minutes, and then the capacitors will automatically charge the battery while the user is driving.
Where is the next Tesla?
Here I am not referring to the company Tesla, but to the person Tesla, who died very early, and it may be a mysterious death ray that killed him, and he had studied radio energy before his death. Intel and other companies have been working hard to enter this field, but it still has a long way to go to run on personal electronic devices. If you want the technology to be used in cars, you may have to wait for the number. ten years. However, once the technology is successfully developed, it will be able to solve the battery problem of electric vehicles forever. At that time, we will live in an electrical world, and we will also encounter some health problems that need to be solved: although the idea of ​​glowing in the dark is very Cool, but we need to avoid the "death ray" part. In any case, I think that broadcast energy will herald the final arrival of the eternal age of electric vehicles.
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