Shulou(Shulou.com)11/24 Report--

CTOnews.com January 10 news, according to South Korea's ETNews,LG new energy to the next generation of battery commercialization is one step closer. It is said that its "pure silicon battery" technology has made great progress, which significantly improves the battery capacity compared with the existing anode materials.

According to industry insiders, LG New Energy is developing an electric vehicle prototype based on pure silicon batteries and has begun to conduct a comprehensive performance evaluation test on the 8th. Another person familiar with the matter said, "I know they have developed pure silicon technology that does not need to be improved." the company plans to continue to evaluate the prototype.

CTOnews.com Science Popularization: 100% pure silicon here refers to the battery cathode material made of pure silicon, which can store 10 times more energy than the widely used graphite material, so companies are trying to use silicon instead of carbon. For example, Tesla proposed to use pure silicon material at Battery Day in 2020, which attracted market attention; and Shen Hezhe, vice chairman of LG Chemistry, parent company of LG new energy, also emphasized the development of pure silicon battery as the focus of his work in his growth strategy announcement in February last year.

However, this material has an obvious drawback because silicon contains more lithium ions than graphite, so it is larger. Therefore, even if silicon can be successfully used as electrode material, its utilization rate is very limited. Therefore, LG new energy development and planned testing of pure silicon prototype is considered by the industry to achieve a major technological breakthrough.

According to reports, LG new energy has successfully reduced the size of silicon to the smallest size that can be achieved at present-5 microns. It is estimated that it not only helps to improve performance, but also helps to reduce the size of the battery. When it is finally successfully commercialized, it can greatly improve the battery life and charging performance of electric vehicles, and has a certain price competitiveness. after all, silicon per unit capacity is cheaper than graphite.

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