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State Grid Corporation of China unifies electric charging standards

Author : PCEC

22 September 2021

On September 16, at the 2021 World New Energy Vehicle Conference, Xin Baoan, Chairman of State Grid Corporation of China announced that State Grid has created and unified China's charging facilities and charging interface standards.

2021 World New Energy Vehicle Conference – Image: State Grid Corporation of China
2021 World New Energy Vehicle Conference – Image: State Grid Corporation of China

State Grid also said it would actively promote the internationalisation of China's ChaoJi e-car charging and e-car battery swapping standards, which is expected to become the fourth  international standard in parallel with the standards of the United States, Japan, and the EU.

At the meeting, State Grid also released a white paper on ultra-low conduction charging technology for electric vehicles. State Grid, together with other tech-companies, jointly launched ChaoJi's new generation of high-power charging technology. In the future, this technology can support a maximum charging power of 900kW, will take only 10-minutes to charge, with a  battery life of up to 400km.

At present, the State Grid has built 69,000 orderly charging piles, covering 13,000 communities, and serving more than 9.3 million users. The annual peak shaving capacity is 170 million kWh, and the green electricity consumption is 2.66 billion kWh. At the same time, State Grid has also implemented a blockchain to trace the source of green electricity to avoid double counting of green electricity. It is estimated that by 2025, the proportion of charging low-valley electricity in residential areas and charging new energy electricity on Internet of Vehicles platforms will both reach 80%.

Image: State Grid Corporation of China
Image: State Grid Corporation of China

According to reports, the new generation of ChaoJi charging technology route for electric vehicles originated from the demand for high-power charging of electric vehicles. It is a complete set of solutions for the DC charging system of electric vehicles, which solves a series of defects and problems existing in the existing charging systems in the world. The technology has been fully upgraded in terms of charging safety, charging power, structural design, forward compatibility and future-oriented applications.

As of the end of August this year, China has 5 million electric vehicles. By 2025, electric vehicles in China will have a maximum adjustable load of 30 million kilowatts, and energy storage resources will exceed 150 billion kilowatt-hours per year. By 2030, pure electric vehicles are expected to reach about 100 million, which can reduce carbon dioxide emissions by 220 million tons each year.

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