Title:
リチウム二次電池の初充電方法
Document Type and Number:
Japanese Patent JP6728724
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for initially charging a lithium secondary battery, which enables the adequate permeation of an electrolyte into an electrode group while suppressing copper dissolution from a negative electrode current collector.SOLUTION: A method for initially charging a lithium secondary battery, of which the design capacity is 5 Ah or higher, comprises the steps of: charging the lithium secondary battery to 0.5% or more of the design capacity within 10 hours after injecting an electrolyte; and leaving the lithium secondary battery as it is for 0.5X hour or longer time after injecting the electrolyte, provided that the design capacity of the lithium secondary battery is represented by X Ah.SELECTED DRAWING: Figure 1
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Inventors:
Endo Saburo
Nakabayashi Yosuke
Masatsugu Aoya
Takayoshi Fujita
Nakabayashi Yosuke
Masatsugu Aoya
Takayoshi Fujita
Application Number:
JP2016018625A
Publication Date:
July 22, 2020
Filing Date:
February 03, 2016
Export Citation:
Assignee:
Hitachi Chemical Co., Ltd.
International Classes:
H01M10/0587; H01M4/66; H01M10/052; H01M10/0566; H01M10/44
Domestic Patent References:
| JP2014238961A | ||||
| JP6290811A | ||||
| JP2003308878A |
Foreign References:
| WO2013121563A1 | ||||
| US20150004474 |
Attorney, Agent or Firm:
西浦 ▲嗣▼晴
High Miki Yoshiki
Tadashi Deyama
High Miki Yoshiki
Tadashi Deyama