Schedule 1 5:20 PM - 5:40 PM [1D26] P2型正極を用いたナトリウムイオン二次電池Ⅰ:特徴と課題 *Jungmin Kim1, Hiromu Watanabe1, Iwao Soga1, Kei Kubota2, Shinichi Komaba2 (1. Mitsubishi Chemical Corporation, 2. Tokyo University of Science) Keywords:ナトリウム, Na2/3Ni1/3Mn2/3O2, NIB