The problem of smog is not only a problem that plagues the people of the capital, but also a problem that plagues the people of the country and the world. India has adopted measures of single and double restrictions to reduce air pollution.
The development of electric vehicles is undoubtedly an important measure to reduce pollution. From 2016 to 2020, China intends to establish 10,000 electric vehicle charging stations, comprehensively carry out charging pile supporting construction, and build a complete electric vehicle charging network. The charging time of electric vehicles is too long, which is one of the important reasons why electric vehicles are not popular.
World New Energy Vehicle Charging Construction Memorabilia
In 2009, Japanese companies such as Nissan, Mitsubishi Motors, Fuji Heavy Industries and Tokyo Electric Power joined forces to form the Fast Charge Infrastructure Promotion Association. In 2011, nine Japanese companies including Toyota, Honda and Mitsubishi Motors reached an agreement to start Japan has jointly built a rapid charging network system for electric vehicles to promote the popularity of electric vehicles. In 2014, four Japanese companies including Toyota, Nissan, Honda and Mitsubishi Motors established the "Japan Charging Service Company (NCS)" to provide a more convenient charging network for electric vehicles.
After long-term policy promotion and the promotion of many automobile manufacturers, in 2014, Japan's charging facilities construction has made great progress.
In 2014, GM joined forces with Honda America, BMW, Ford, Toyota USA, Mitsubishi America and other eight car companies and 15 power facilities companies to jointly develop a smart grid integration platform. It can be seen that the Japanese and American car companies are striving to improve the charging, especially the construction of fast charging infrastructure, in preparation for the formation of a large-scale market for electric vehicles.
Main applicant for electric vehicle fast charging technology patent
Judging from the number of patent applications for electric vehicle fast charging, the gap between China and the United States, Japan and other countries is narrowing. With the support of the national fiscal policy, China's new energy vehicles, especially electric vehicles, will show an accelerated development trend in the future.
At present, electric vehicle batteries mainly include lithium iron phosphate batteries, ternary material batteries, lead-acid batteries, sodium-sulfur batteries and other traditional batteries, as well as fuel cells and new liquid batteries. The current mainstream models are mainly equipped with lithium iron phosphate. Battery and ternary material battery.
Lithium iron phosphate battery belongs to lithium ion secondary battery. It can be seen from patent analysis that Toyota has applied for a number of patents on lithium ion secondary battery charging system; the patent application filed by State Grid involves charging pile, wireless charging device and charging wiring system. Mitsubishi Electric uses a method of DC fast charging.
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