China and France develop new charging technology!
Today, China has become the world's largest electric vehicle market. According to the market analysis of French auto parts supplier Valeo, by 2030, "40% of the cars sold in China will be electric vehicles, and the annual market capacity will be 15 million units."
If the current charging mode is followed, then a large number of electric vehicles will be charged in the future, which will lead to the increase of grid interruption. To this end, Valeo collaborated with XCharge, a start-up company for charging station suppliers from China, to jointly develop "Vehicle to Grid" (V2G) technology to rebalance the distribution network in an innovative way of bidirectional charging.
According to Julien Sabrie, Valeo ’s director of system engineering, this smart charging system allows car batteries to store power when there is sufficient power and to recharge the power from the car battery to the grid when there is a power shortage. , Users can complete this set of charging and recharging process through the smartphone application.
This two-way charging "vehicle to grid" technology is also a solution to the global warming energy field, because renewable energy sources such as solar energy and wind energy have the intermittent supply shortcomings, that is, the power supply is subject to the environment and when the conditions are sufficient When there is more production capacity, power generation is insufficient when conditions are insufficient. Through the "vehicle to grid" technology, electric vehicles can participate in the power generation and distribution process of the grid. For example, the solar power supply capacity is strong during the day, and the charging value of electric vehicles can reach the peak. At night, the power consumption will reach the peak, especially electric heating and lighting in winter And the power consumption of electrical appliances will increase.
If the "vehicle to grid" technology is used, at night, solar power supply stops, and electric vehicles can transfer the full energy of the day to the grid, which can ensure that the grid can successfully pass the peak period of power consumption. The "vehicle to grid" concept is a technological innovation that benefits electric vehicle manufacturers, car users, and grid operation managers. This solution is low-cost and does not require a lot of investment. Because electric vehicles already contain batteries, power suppliers can benefit from local capacity management through V2G functions, and electric vehicle owners can also enjoy a certain amount of bonuses every year.
French company Valeo met Chinese startup Xcharge in August 2017 and quickly determined the intention of cooperation. Both companies are interested in the "vehicle to grid" function. With the support of Kaihui Innovation Fund, the two companies established a cooperation.
The technical and marketing teams of both parties are debugging Valeo chargers to integrate V2G functions. The Xcharge team from China is also responsible for developing the charging station market in China in order to adapt to such functions. As a start-up company from China, XCharge has established a good cooperative relationship with China State Grid, which can provide effective market experience for Valeo's solutions.
According to Julian Sabri, China will become the world's largest electric vehicle market. By 2025, China's electric vehicle parking lot will be able to accommodate 10 million electric vehicles. If 1 million electric vehicles are equipped with V2G functions, It will be possible to generate 3 gigawatts of network power, equivalent to the power of three nuclear reactors.
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