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Japan trials a new type of lithium battery that does not require rare metal cobalt
Matsushita Electric Co., Ltd. of Japan recently announced that its technical team, in collaboration with researchers from Kyoto University, has developed a groundbreaking lithium battery material that eliminates the need for cobalt, a rare and costly metal. This innovation marks a significant step forward in battery technology, as it could reduce production costs and decrease reliance on scarce resources.
The research was led by Matsushita's engineers and Professor Ryoichi Yoshida from Kyoto University. Together, they created a new organic material using lithium and carbon, which effectively addressed a major challenge in battery design: the dissolution of organic electrodes during ion movement in liquid electrolytes. By optimizing the material composition, they successfully produced a lithium battery that doesn't use cobalt as an electrode component.
According to the findings, the new battery demonstrates comparable energy capacity to traditional cobalt-based batteries. Additionally, after 100 charge-discharge cycles, the battery’s capacity loss remains below 20%, indicating good stability and performance. The team is now focused on further refining the material to extend the battery's lifespan to between 500 and 1,000 cycles before moving toward commercial production.
This development could have wide-ranging implications for the electric vehicle and renewable energy sectors, where cost-effective and sustainable battery solutions are in high demand. (Reporter: Le Shaoyan)