Title:
リチウムイオン電池用バインダおよびこれを用いた電極並びにセパレータ
Document Type and Number:
Japanese Patent JP6956194
Kind Code:
B2
Abstract:
Provided is a nonaqueous binder for electrodes or separators, which is used in a lithium ion battery that has excellent cycle life characteristics at high temperatures. A nonaqueous binder for electrodes or separators of lithium ion batteries, which is obtained by complexing cellulose nanofibers and a thermoplastic fluororesin, and which is characterized in that the cellulose nanofibers have a fiber size (diameter) of from 0.002 µm to 1 µm (inclusive), a fiber length of from 0.5 µm to 10 mm (inclusive), and an aspect ratio ((fiber length of cellulose nanofibers)/(fiber diameter of cellulose nanofibers)) of from 2 to 100,000 (inclusive).
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Inventors:
Takashi Mukai
Yuta Ikeuchi
Taiji Sakamoto
Naoto Yamashita
Ryo Ishiguro
Satoshi Nakamura
Yuta Ikeuchi
Taiji Sakamoto
Naoto Yamashita
Ryo Ishiguro
Satoshi Nakamura
Application Number:
JP2019544140A
Publication Date:
November 02, 2021
Filing Date:
September 29, 2017
Export Citation:
Assignee:
attaccato limited liability company
Japan Steel Works, Ltd.
Japan Steel Works, Ltd.
International Classes:
H01M4/62; C08L1/02; C08L27/12; H01G11/38; H01G11/52; H01G11/84; H01M4/13; H01M10/052; H01M10/0568; H01M10/0569; H01M10/058; H01M50/426; H01M50/429
Domestic Patent References:
| JP2002260663A | ||||
| JP2015101694A | ||||
| JP2009293167A | ||||
| JP2013185085A | ||||
| JP2016111001A |
Foreign References:
| WO2014185365A1 | ||||
| WO2014196551A1 |
Other References:
Akihiro Sato et al.,Surface modification of cellulose nanofibers with alkenyl succinic anhydride for high-density polyethylene reinforcement,Composites: Part A,2016年,vol.83,pp.72-79
Attorney, Agent or Firm:
Shinei Patent Office