摘要:
A lithium ion secondary cell anode, wherein carbon material including graphite having a d 002 of not more than 0.3370nm of X-ray parameters that can be obtained from the Gakushin-method for X-ray diffraction of carbon is used as a part of an active material, and a macromolecular material having a surface energy γ S of not less than 30mJm -2 is used as a binder.