公开(公告)号：US20150158728A1

公开(公告)日：2015-06-11

申请号：US14567220

申请日：2014-12-11

Applicant: CLARIANT (CANADA) INC.

Inventor： Guoxian LIANG ,  Patrick CHAREST ,  Michel GAUTHIER ,  Abdelbast GUERFI ,  Christophe MICHOT ,  Karim ZAGHIB

IPC: C01B25/45 ,  H01M4/62 ,  H01M4/58

CPC classification number: C01B25/45 ,  B82Y30/00 ,  C01P2002/32 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/45 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/52 ,  C01P2004/53 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C09C1/00 ,  C09C1/22 ,  C09C3/08 ,  H01M4/136 ,  H01M4/5825 ,  H01M4/625 ,  H01M2004/021

Abstract: A method for preparing an electrode material, said material comprising complex oxide particles having a non-powdery conductive carbon deposit on at least part of their surface, said method comprising: grinding into nanometer size complex oxide particles or particles of complex oxide precursors, wherein the grinding is performed in a bead mill on particles dispersed in a carrier solvent, adding an organic carbon precursor to the oxide particles or oxide precursor particles before, during or after said grinding, and pyrolysing the mixture thus obtained, selecting the size of the particles to grind, the size of the beads used to grind, and the size of the resulting particles such that: 0.004

Abstract translation: 一种制备电极材料的方法，所述材料包括在其表面的至少一部分上具有非粉末状导电碳沉积物的复合氧化物颗粒，所述方法包括：研磨成纳米尺寸的复合氧化物颗粒或复合氧化物前体的颗粒，其中 在珠磨机中在分散在载体溶剂中的颗粒上进行研磨，在所述研磨之前，期间或之后向氧化物颗粒或氧化物前体颗粒加入有机碳前体，并热解所得到的混合物，将颗粒的尺寸选择为 研磨，用于研磨的珠的尺寸和所得颗粒的尺寸，使得：0.004