Title:
CARBONACEOUS MATERIAL, METHOD FOR PRODUCING SAME, ELECTRODE ACTIVE MATERIAL FOR ELECTRIC DOUBLE LAYER CAPACITORS, ELECTRODE FOR ELECTRIC DOUBLE LAYER CAPACITORS, AND ELECTRIC DOUBLE LAYER CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2021/131907
Kind Code:
A1
Abstract:
The present invention relates to a carbonaceous material which has an elemental silicon content of less than 200 ppm, while having a powder conductivity of from 10.0 to 22.0 S/cm, a total amount of surface functional groups of from 0.22 to 0.36 meq/g, and a pore volume of pores having a pore diameter of 4 nm or more of from 0.10 to 0.20 cm3/g as determined by a BJH method.
Inventors:
MATSUSHITA MINORU (JP)
HITOMI MITSUNORI (JP)
NISHIMURA SHUSHI (JP)
NISHINAMI HIROYUKI (JP)
YAMADA TAKAYUKI (JP)
HITOMI MITSUNORI (JP)
NISHIMURA SHUSHI (JP)
NISHINAMI HIROYUKI (JP)
YAMADA TAKAYUKI (JP)
Application Number:
PCT/JP2020/046770
Publication Date:
July 01, 2021
Filing Date:
December 15, 2020
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
H01G11/34; C01B32/318; C01B32/336; C01B32/354
Domestic Patent References:
| WO2008053919A1 | 2008-05-08 | |||
| WO2018207769A1 | 2018-11-15 |
Foreign References:
| JP2008273816A | 2008-11-13 | |||
| JP2008021966A | 2008-01-31 | |||
| US20060223701A1 | 2006-10-05 | |||
| CN108439402A | 2018-08-24 | |||
| JP2019234855A | 2019-12-25 | |||
| JP5770550B2 | 2015-08-26 |
Other References:
YELETSKY, P. M . ET AL.: "Synthesis of mesoporous carbons by leaching out natural silica templates of rice husk", MICROPOROUS AND MESOPOROUS MATERIALS, vol. 121, 6 January 2009 (2009-01-06), pages 34 - 40, XP026029484, DOI: 10.1016/j.micromeso. 2008.12.02 5
DIAZ, E. ET AL.: "An JGC Study of the Role of Washing Procedures on the Adsorption Properties of Activated Carbons", ADSORPTION SCIENCE & TECHNOLOGY, vol. 25, 2007, pages 99 - 111, XP055837951, DOI: 10.1260/026361707782398245
See also references of EP 4084026A4
DIAZ, E. ET AL.: "An JGC Study of the Role of Washing Procedures on the Adsorption Properties of Activated Carbons", ADSORPTION SCIENCE & TECHNOLOGY, vol. 25, 2007, pages 99 - 111, XP055837951, DOI: 10.1260/026361707782398245
See also references of EP 4084026A4
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
Download PDF:
Previous Patent: DIETARY HABITS ESTIMATION DEVICE
Next Patent: AUDIO CIRCUIT AND METHOD FOR REPRODUCING DSD SIGNAL
Next Patent: AUDIO CIRCUIT AND METHOD FOR REPRODUCING DSD SIGNAL