公开(公告)号：US20140120418A1

公开(公告)日：2014-05-01

申请号：US14061891

申请日：2013-10-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min-sang SONG ,  Ka-hee SHIN ,  Ja-man CHOI ,  Moon-seok KWON ,  Jeong-kuk SHON ,  Jong-hyeok PARK ,  Seung-sik HWANG

IPC: H01M4/48 ,  C01G23/047

CPC classification number: H01M4/48 ,  B82Y30/00 ,  C01G23/047 ,  C01P2002/82 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/13 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/40 ,  H01M4/485 ,  H01M10/052

Abstract: A negative active material, a method of preparing the same, and a lithium secondary battery including the negative electrode. The negative active material includes a plurality of titanium oxide nanotubes, wherein the Raman shift of the negative active material includes a characteristic peak located at a Raman shift between about 680 cm−1 and about 750 cm−1.

Abstract translation: 负极活性物质，其制备方法以及包含该负极的锂二次电池。 负极活性材料包括多个氧化钛纳米管，其中负极活性材料的拉曼位移包括位于约680cm -1至约750cm -1之间的拉曼位移的特征峰。