US 12,068,108 B2
Electrochemical device electrode and electrochemical device
Motohiro Sakata, Osaka (JP); Nao Matsumura, Osaka (JP); and Masatoshi Takeshita, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/293,525
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Dec. 2, 2019, PCT No. PCT/JP2019/047075
§ 371(c)(1), (2) Date May 13, 2021,
PCT Pub. No. WO2020/121878, PCT Pub. Date Jun. 18, 2020.
Claims priority of application No. 2018-230776 (JP), filed on Dec. 10, 2018.
Prior Publication US 2021/0407741 A1, Dec. 30, 2021
Int. Cl. H01G 11/48 (2013.01); H01G 11/52 (2013.01); H01G 11/54 (2013.01); H01M 4/60 (2006.01); H01M 4/02 (2006.01)
CPC H01G 11/48 (2013.01) [H01G 11/52 (2013.01); H01G 11/54 (2013.01); H01M 4/608 (2013.01); H01M 2004/028 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An electrochemical device electrode comprising a conductive polymer as an active material, wherein:
the conductive polymer has a grain shape and contains polyanilines,
an intensity distribution pattern obtained by X-ray diffraction measurement with respect to the conductive polymer has a first peak in which a diffraction angle 2θ ranges from 18° to 21°, inclusive, and a second peak in which a diffraction angle 2θ ranges from 24° to 26º, inclusive, and
the conductive polymer satisfies a relational expression: 7.6≤L1·S/L2≤14.6,
where L1 represents a crystallite size (nm) corresponding to the first peak, L2 represents a crystallite size (nm) corresponding to the second peak, and S represents the specific surface area (m2/g) of the conductive polymer.