Invention Grant
- Patent Title: Negative electrode material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery
-
Application No.: US14438285Application Date: 2013-10-25
-
Publication No.: US10892482B2Publication Date: 2021-01-12
- Inventor: Masayuki Kouzu , Hideyuki Tsuchiya , Katsutomo Ohzeki , Yoshie Oosaki , Tatsuya Nishida
- Applicant: HITACHI CHEMICAL COMPANY, LTD.
- Applicant Address: JP Tokyo
- Assignee: HITACHI CHEMICAL COMPANY, LTD.
- Current Assignee: HITACHI CHEMICAL COMPANY, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Fitch, Even, Tabin & Flannery, LLP
- Priority: JP2012-237255 20121026
- International Application: PCT/JP2013/079037 WO 20131025
- International Announcement: WO2014/065418 WO 20140501
- Main IPC: H01M4/48
- IPC: H01M4/48 ; H01M4/64 ; H01M10/0525 ; C01B33/12 ; H01M4/38 ; H01M4/131 ; H01M4/36 ; H01M4/62 ; H01M4/134 ; H01M4/485
Abstract:
A negative electrode material for a lithium ion secondary battery includes a silicon oxide and having a diffraction peak attributable to Si (111) in an X-ray diffraction spectrum, in which a size of a silicon crystallite calculated from the diffraction peak is from 2.0 nm to 8.0 nm.
Public/Granted literature
Information query
