According to news, from the scientific and technological achievements evaluation meeting held in Beijing on the 16th of China High-Tech Industrialization Research Association, China's graphene-coated modified lithium-ion battery positive and negative electrode materials technology has achieved a major breakthrough. After testing, the graphene coating technology developed by the team led by Zhao Jinping, Ph.D., Institute of Metal Research, Chinese Academy of Sciences and Chief Scientist of Beijing Shengmeng Technology Co., Ltd., can increase the specific capacity of the cathode material of lithium ion batteries by 15% -25%, and will cycle 1000. The capacity retention rate after the cycle is increased by 30% -40%; the capacity of the anode material is increased by 40% -45%, and the capacity retention rate after 1000 cycles is increased by 35% -50%.
This means that the application of graphene-coated lithium-ion positive and negative electrode materials technology to automotive power batteries is expected to increase the current energy density of ternary lithium-ion battery cells (about 200 watt-hours / kg), reaching The "Technical Industrialization Implementation Plan" proposes a target of 300 watt-hours / kg for the energy density of automotive power batteries in 2020.
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