マイクロ波を利用したリチウム二次電池物質の短時間合成法の開発(2004年学部等研究教育補助金採択者報告)

概要

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Lithium iron phosphate (LiFePO_4) is a potential candidate for the cathode material of the next generational lithium secondary batteries. In this study, microwave heating with a domestic microwave oven was adopted to synthesize LiFePO_4. Microwave heating is a self-heating process that occurs through the directly absorption of electromagnetic energy. Since the microwave energy is absorbed by the material, uniform and rapid heating and chemical reaction can be achieved within a short period of time. It was found that LiFePO_4 was successfully synthesized in a few minutes by microwave heating on this study. The LiFePO_4 synthesized has a high electrochemical capacity and good cycle property. The microwave heating can be expected as a very simple and useful method to prepare LiFePO_4 cathode material.
東海大学の論文
2006-03-31