Application of Wangzhaoyang's Team Rapid Charging Technology

It is well known that electric cars, in addition to their mileage anxiety, tend to spend several hours charging hours as a stumbling block to their promotion. Therefore, how to shorten the charging time while increasing the power battery range has become the two core areas of the entire electric vehicle industry.

The US Department of Energy(DOE) has announced that it will spend $19M on battery support for electric cars to charge fast. The aim is to reduce the cost of the battery pack to less than $100 per kilowatt-hour by 2028, increase the range to more than 300 miles and reduce the battery charging time to less than 15 minutes.

Among them, the 10-minute fast charging technology developed by the team of Wangzhaoyang of Pennsylvania State University won this plan and was officially adopted by the US Department of Energy.

It is understood that the Wangzhaoyang team has conquered the 10-minute fast charging technology based on All-Climate-Battery(ACB) technology and successfully solved the key problems that lithium batteries can not be quickly recharged and battery life is difficult to obtain. It is worth mentioning that the results of the study also achieved a rapid charging of 240Wh / kg power cells within 10 minutes and had more than 1,000 cycles, equivalent to a life span of 500,000 kilometers. This technology will become a battery product that supports 350kW fast charging stations.

As a brand new battery platform, the relevant research results of All-Climate-Battery(ACB) were published in the journal Nature in 2016. The battery can be operated at a low temperature of -50 °C. Fast charging, It not only solves the lithium precipitation problem of lithium batteries, but also increases the cooling ability of the core itself by 20 times. It is a new type of battery that is neither cold nor hot, and does not require an external heat management system.

In 2017, all-climate batteries were formally adopted by the Beijing Winter Olympics and became one of the core technologies for new energy transportation for the Winter Olympics environment. At the same time, BMW, BAIC new energy, yutong passenger cars and other domestic and foreign car companies are also accelerating the application of this technology.

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