著者

吉野 彰

出版者

炭素材料学会

雑誌

炭素 (ISSN:03715345)

巻号頁・発行日

vol.1999, no.186, pp.45-49, 1999

被引用文献数

3

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Development of lithium ion battery is reviewed. Lithium ion battery has been used widely for note book personalcomputers, cellular phones and other applications. Annual sales amounts have reached to about 200 billion yens in 19<BR>This new battery system was found in 1984 by Asahi Chemical Co. Extensive work has been carried out to improvecarbonaceous material for negative electrode.<BR>By this improvement, discharge capacity of lithium ion battery (Cylindrical Type 18650) has been increasedfrom 920mAh to 1600mAh in these 5 years. Future trend of technology is also reviewed.