A number of national laboratories and universities in the United States have jointly established a research center named "Battery 500" to develop a new type of lithium battery technology that can extend the mileage of electric vehicles and reduce the cost of electric vehicles.
A few days ago, the U.S. federal government announced plans for accelerating the popularization of electric vehicles. Through cooperation between the government and the private sector, it will promote electric vehicles and strengthen charging infrastructure to cope with climate change, increase the use of clean energy and reduce dependence on oil. The establishment of "Battery 500" and the development of high-performance batteries are part of the plan.
The U.S. Department of Energy will provide 10 million U.S. dollars annually for this agency over the next five years. There are 11 member institutions participating in this research center, including 4 national laboratories such as Pacific Northwest National Laboratory, 5 research universities such as Stanford University, and car manufacturer Tesla and technology company IBM.
Among them, Liu Jun, a materials scientist at the Pacific Northwest National Laboratory, and Cui Wei, an associate professor of materials science and engineering at Stanford University, served as co-directors of the research center. In explaining the origin of the “Battery 500†name, Cui Wei said that the goal of the research center is to increase the weight energy density of lithium batteries used in electric vehicles to 500 watts per kilogram through the development of new high-energy-density materials. three times.
Weight energy density refers to the amount of energy stored by the unit weight of the battery. Lithium batteries currently used in electric vehicles have a weight energy density of 170 to 200 watt-hours per kilogram. It is worth noting that Chinese scientists will play an important role in the "Battery 500" project. In addition to the two co-directors, several Chinese scientists also participated in the work of the research center. Among them, former US energy minister and Nobel Prize-winning physicist Zhu Yuwen served as director of the advisory committee of the research center. (Reporter Ma Dan)
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