Title:
ELECTRODE AND METHOD FOR PRODUCING ELECTRODE
Document Type and Number:
WIPO Patent Application WO/2022/113682
Kind Code:
A1
Abstract:
The present invention provides an electrode which is capable of reducing the interface resistance, while ensuring the strength of a core material by suppressing the amount of biting of an active material into the core material. An electrode according to one embodiment of the present disclosure comprises a core material, an electrode mixture that is superposed on the surface of the core material, and a conductive bonding layer that is formed between the core material and the electrode mixture; the electrode mixture comprises an active material and a fibrous binder; the active material bites into the core material; the maximum bite depth is 20% or less of the thickness of the core material; and the ratio of the density of the active material in the electrode mixture to the true density of the active material is 70% or more.
Inventors:
GONJO TAKAYUKI
IZUMI REIKO
YAMASHITA HIROKI
KOTANI NORIHIRO
IZUMI REIKO
YAMASHITA HIROKI
KOTANI NORIHIRO
Application Number:
PCT/JP2021/040562
Publication Date:
June 02, 2022
Filing Date:
November 04, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M4/13; H01G11/28; H01G11/38; H01G11/86; H01M4/139; H01M4/62; H01M4/66
Domestic Patent References:
| WO2017138382A1 | 2017-08-17 | |||
| WO2019213068A1 | 2019-11-07 | |||
| WO2019012872A1 | 2019-01-17 |
Foreign References:
| JP2005340188A | 2005-12-08 | |||
| JP2017130451A | 2017-07-27 | |||
| JP2000160118A | 2000-06-13 | |||
| JP2011204593A | 2011-10-13 | |||
| JP2011210450A | 2011-10-20 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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