公开(公告)号：US20160380270A1

公开(公告)日：2016-12-29

申请号：US15038857

申请日：2014-12-22

Applicant: LG Chem, Ltd.

Inventor： Kil Sun LEE ,  Kwon Nam SOHN ,  Won Jong KWON ,  Seung Bo YANG ,  In Young KIM ,  Kwang Hyun YOO ,  Mi Jin LEE ,  Jin Yeong LEE

IPC: H01M4/62 ,  H01M10/0525 ,  H01B1/24

CPC classification number: H01M4/625 ,  H01B1/24 ,  H01M4/0404 ,  H01M4/139 ,  H01M10/052 ,  H01M10/0525

Abstract: The present invention relates to a conducting material composition capable of forming an electrode in which at least two kinds of carbon based materials are contained in a uniformly dispersed state to enable a battery such as a lithium rechargeable battery having more improved electrical and lifetime characteristics to be provided, and a slurry composition for forming an electrode of a lithium rechargeable battery and a lithium rechargeable battery using the same. The conducting material composition contains: at least two kinds of conductive carbon-based materials selected from the group consisting of carbon nano tube, graphene, and carbon black; and a dispersant containing a plurality kinds of poly aromatic hydrocarbon oxides, wherein the dispersant contains poly aromatic hydrocarbon oxides having a molecular weight of 300 to 1000 at a content of 60 wt. % or more.

Abstract translation: 本发明涉及能够形成电极的导电材料组合物，其中以均匀分散状态包含至少两种碳基材料，使得具有更好的电寿命特性的锂可再充电电池等电池可以是 以及用于形成锂可再充电电池的电极的浆料组合物和使用其的锂可再充电电池。 导电材料组合物包含：选自碳纳米管，石墨烯和炭黑中的至少两种导电性碳基材料; 含有多种聚芳香族烃氧化物的分散剂，其中分散剂含有分子量为300〜1000的聚芳香族烃氧化物，含量为60重量％。 ％ 或者更多。