Title:
リチウムイオン二次電池
Document Type and Number:
Japanese Patent JP7335035
Kind Code:
B2
Abstract:
In order to provide a lithium ion secondary battery having both high energy density and an excellent charging-rate characteristic, in the lithium ion secondary battery comprising a positive electrode, a negative electrode and an electrolyte solution, the electrolyte solution comprises 0.5 mol/l or more of Li[(FSO2)2N], 0.5 mol/l or more of LiPF6, and LiPO2F2; and the negative electrode comprises graphite deposited with amorphous carbon or graphite coated with amorphous carbon and having a specific surface area of 4 m2/g or less, as a negative electrode active material.
Inventors:
Yoshiyuki Tamura
Katsumi Maeda
Chain chain
Katsumi Maeda
Chain chain
Application Number:
JP2018523929A
Publication Date:
August 29, 2023
Filing Date:
June 13, 2017
Export Citation:
Assignee:
NEC
International Classes:
H01M10/0525; C01B32/21; C01G53/00; H01M4/36; H01M4/505; H01M4/525; H01M4/587; H01M10/0567; H01M10/0568; H01M10/0569
Domestic Patent References:
| JP2016058214A | ||||
| JP2016503571A | ||||
| JP2009187698A | ||||
| JP2014035922A | ||||
| JP2005294011A | ||||
| JP2010097696A | ||||
| JP2014058068A | ||||
| JP2014029840A |
Foreign References:
| WO2013153619A1 | ||||
| WO2015046475A1 |
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata
Masaaki Ogata
Previous Patent: Sensor device, goods display shelf and production control system
Next Patent: SIGNAL TRANSMITTER BETWEEN ROTATING BODY AND FIXED BODY
Next Patent: SIGNAL TRANSMITTER BETWEEN ROTATING BODY AND FIXED BODY