Development of electrode material for ultra high capacity lithium ion battery by using micro and nano speces of carbon

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K06004
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Electronic materials/Electric materials
• Research Institution: Nagano National College of Technology
• Principal Investigator: Oshida Kyoichi 長野工業高等専門学校, 電子情報工学科, 教授 (90224229)
• Co-Investigator(Kenkyū-buntansha): 板屋 智之 長野工業高等専門学校, 一般科, 教授 (80263961)
• Co-Investigator(Renkei-kenkyūsha): TAKEUCHI Kenji 信州大学, カーボン科学研究所, 准教授 (20504658) ; SUDA Yoshiyuki 豊橋技術科学大学, 工学研究科, 准教授 (70301942) ; HATA Toshimitsu 京都大学, 生存圏研究所, 講師 (10243099)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: ナノコンポジット / 電界紡糸 / 多孔質材料 / カーボン / 透過電子顕微鏡 / 画像処理 / 電極

Outline of Final Research Achievements

Functional carbon materials of multidimensional structure in which mocro pores (2nm or less) and meso pores (2 to 50nm) were made by electrospinning from a solution containing polyacryloniterile and etc.
The structures of the prepared carbon nanofibers were analyzed by microscopy, image processing, and etc. Anode electrodes of electric double layer capacitors (EDLC) and lithium (Li) ion batteries (LIB) using these as electrodes were prepared. As a result of measurement of the LIB anode electrode capacity, the charge / discharge capacities of the second cycle were achieved almost double of the theoretical capacity (372 [mAh / g]) when Li was inserted in graphite.
Through these studies, new hybrid materials of high capacity were realized.

Free Research Field

炭素材料工学