ELECTRODE PASTE, ELECTRODE, POWER STORAGE DEVICE, AND MANUFACTURING METHOD

WIPO Patent Application WO/2023/148868

A1

[Problem] To provide: an electrode paste and electrode with which choking is eliminated and electrostatic capacity can be improved by providing open ends to MWCNTs, introducing OH and COOH groups, and weakening the bonding force between the MWCNT layers; a power storage device; and a manufacturing method. [Solution] An electrode paste according to the present embodiment includes a binder and multi-walled carbon nanotubes having at least one open end. The multi-walled carbon nanotubes may have both ends opened. Each multi-walled carbon nanotube has an OH group and a COOH group introduced at least at one end thereof. An electrode according to the present embodiment has a current collector having a multi-walled carbon nanotube-containing layer, which is obtained by drying the electrode paste, formed on at least one main surface thereof. A power storage device according to the present embodiment includes, in an outer container, the electrode, a negative electrode, an electrolyte, and a separator.

ABE TOSHIO (JP)
EMOTO MASAFUMI (JP)

PCT/JP2022/004187

August 10, 2023

February 03, 2022

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SPACELINK CO LTD (JP)
MASSTECH CO LTD (JP)

H01M4/13; H01G11/36; H01G11/38; H01G11/62; H01G11/86; H01M4/139; H01M4/587; H01M10/0568

WO2012160822A1

2012-11-29

KR101794317B1	2017-11-06
JP2016100094A	2016-05-30
JP2021044076A	2021-03-18
JP2010106128A	2010-05-13
JP2005129566A	2005-05-19
JP2004043270A	2004-02-12
JP2015208695A	2015-11-24
JP2009242231A	2009-10-22
JPH08325008A	1996-12-10
JP2003268246A	2003-09-25

One ip Patent Firm (JP)

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