Title:
リチウムイオン二次電池およびその製造方法
Document Type and Number:
Japanese Patent JP6519558
Kind Code:
B2
Abstract:
A lithium ion secondary battery includes a negative electrode, a positive electrode, and a non-aqueous electrolyte solution. The non-aqueous electrolyte solution includes a lithium salt and an aprotic solvent. The negative electrode includes a composite particle. The composite particle includes a negative electrode active material and tungsten trioxide. The negative electrode active material contains graphite. The tungsten trioxide is disposed on a surface of the negative electrode active material.
Inventors:
Kazuhisa Takeda
Keisuke Ohara
Keisuke Ohara
Application Number:
JP2016180636A
Publication Date:
May 29, 2019
Filing Date:
September 15, 2016
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01M4/587; H01M4/36; H01M10/0525; H01M10/0569; H01M10/058
Domestic Patent References:
| JP2016046204A | ||||
| JP2007103246A | ||||
| JP11204109A | ||||
| JP2002246020A | ||||
| JP2010280551A | ||||
| JP2013232403A | ||||
| JP2011146158A | ||||
| JP11096993A | ||||
| JP2008285388A |
Foreign References:
| WO2015129188A1 |
Attorney, Agent or Firm:
Fukami patent office