As more and more smart phones are equipped with wireless charging functions, more and more branded car companies are investing in the car's wireless charging camp. The automotive car wireless charger market will also erupt this year, even new energy car power battery wireless. The charging market will also formally soar in 2020. However, there are still many technical problems that need to be resolved at this stage.
Wireless charger will become the standard car
According to data from research institutions, the penetration rate of wireless charging in smart phones will increase to 60% in 2020, and smartphones using wireless charging technology will exceed 1 billion.
As a very important tool for people, mobile phones also affect the design of other products, especially driven by strong brands. In fact, as long as Apple's mobile phone has released a mobile phone with wireless charging capabilities, many cars support wireless charging. Last year, Apple said that there are 10 companies Qi standard wireless charger can be compatible with iPhone 8: Audi, BMW, Chrysler, Ford, Honda, Mercedes-Benz, PSA, Toyota, Volkswagen, Volvo.
According to incomplete statistics, more and more car brands have launched a new car equipped with a wireless charger, including the new generation of the BMW 7 Series, the new BMW 5 Series, the new Mercedes-Benz E300, Toyota Camry, Lexus NX200t FSPORT, Jeep liberty light, pass祺 GE3, GS8, JAC Refine S7, Jiangling Yu Sheng S330, Zotye T600, Roewe RX8, Borui GE and others.
The automobile is equipped with a wireless charger on the one hand in order to enhance the user experience and enhance the charging security. On the other hand, it is to respond to the intelligentization of the car keys in the future. Taking into account that the existing electronic technology cannot achieve breakthroughs and it imposes higher requirements on charging technology, car keys of brands such as BMW and Volvo will use wireless charging technology because wireless charging is more convenient to put on the car. Just charge it directly.
In the future, with the increasing number of wireless charging devices, the use frequency of car-mounted wireless chargers will be higher. However, automotive products require stringent requirements, and it is necessary to overcome many technical problems in order to make wireless chargers for vehicles.
Because any device enters the automotive industry, it needs to meet a lot of legal and regulatory requirements. For example, as an in-vehicle device, its temperature range is much wider than that of an ordinary household device. Its flammability, even decomposition and recycling, etc., also have specific laws and regulations in the automotive industry. In addition to regulations, due to the need for many other devices to communicate, the devices integrated into the car also need to have multiple interfaces, which is a big difference between the car-mounted wireless charger and the ordinary wireless charger. In addition, the vehicle-mounted wireless charger is used in luxury models at this stage, which determines that its quality is bound to be very high, and it is far from the ordinary household wireless charging modules in the market.
Power battery wireless charging into the fast lane of development
New energy vehicles have become an inevitable trend for future development. The development speed of new energy vehicles in various countries around the world is obvious to all. The future automobile charging market will also develop rapidly. As a kind of car battery charging technology, car wireless charging is also given high hopes.
According to the research report of Everbright Securities, if the charging facilities and electric vehicles are built at the ratio of 1:2, the penetration rate of wireless charging technology is 50%. According to the installation of a wireless charging device of 10,000 yuan, the wireless charging market in China is expected to reach 2020. Scale will reach 10 billion scale.
According to the market research company MarketsAndMarkets, the wireless charging market for electric vehicles is expected to grow at a compound annual growth rate of 49.38% per year from 2020 to 2025 and reach a market size of $7,044.8 million by 2025.
This data is not a catch. 2016, Tesla introduced a proprietary wireless charging system Modle S; 2017 July Audi Release plug hybrid version A8 e-tron quattro, power receiving coil car began to 3.6KW of power to charge the battery pack; 2017, BMW is unveiled at the North American Auto show a new generation of BWM 530e iPerformance models offer a 3.2-kilowatt wireless charging system. Mercedes-Benz will officially launch its first wireless charging system for electric cars in 2018. Recently, Porsche said that it plans to use electromagnetic induction principles before 2020 to build wireless charging stations.
Wireless charging is one of the charging methods for new energy vehicles. The wireless charging technology of electric vehicles has obvious advantages and great potential. For example, it has a small footprint, high convenience of charging, no need for manual attendance, and low maintenance costs. However, there are still many problems in the power battery wireless charging technology that need to be solved.
The high cost is one of the reasons for the slow development of wireless charging. An industry source told reporters that to create a wireless charging device, from the cabinet to the transmitter, and then to the installation, need to be nearly 300,000 yuan, while the traditional cable slow charging pile purchase cost to install no more than 30,000 yuan, the price There are almost 10 times the gap. In addition, the use of wireless charging vehicles also requires the installation of a wireless charging acceptance device, which is not low cost.
To date, most wireless charging technology studies use magnetic fields to transmit energy. The intensity level is suitable for a large number of energy transmission magnetic fields and is easier to generate than an equivalent electric field. The magnetic field is transmitted in a circle-like pattern and therefore requires the use of fragile and lossy magnetic materials that maintain field and energy orientation, resulting in an expensive system.
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