US 11,749,805 B2
Liquid composition for forming electrochemical device, method of manufacturing electrodes, method of manufacturing electrochemical device and electrodes
Toshiya Sagisaka, Kanagawa (JP); Hiromichi Kuriyama, Kanagawa (JP); Satoshi Nakajima, Tokyo (JP); and Porraphon Tantitarntong, Kanagawa (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Filed by RICOH COMPANY, LTD., Tokyo (JP)
Filed on Jan. 26, 2021, as Appl. No. 17/158,202.
Claims priority of application No. 2020-011865 (JP), filed on Jan. 28, 2020; and application No. 2020-199658 (JP), filed on Dec. 1, 2020.
Prior Publication US 2021/0234171 A1, Jul. 29, 2021
Int. Cl. H01M 4/58 (2010.01); H01M 4/62 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 4/1397 (2010.01); H01M 4/1391 (2010.01); H01M 4/04 (2006.01); H01M 4/505 (2010.01)
CPC H01M 4/622 (2013.01) [H01M 4/0416 (2013.01); H01M 4/1391 (2013.01); H01M 4/1397 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01)] 17 Claims
 
1. A liquid composition for forming an electrochemical device, comprising:
one or both of an active material and an electrolyte;
a dispersion medium; and
a polymer,
wherein the polymer contains constituent repeating units having an amide bond and an imide bond,
wherein the polymer is a polyamideimide resin containing repeating units having a group represented by a following general formula (I), and
wherein the constituent repeating units having the amide bond and the imide bond and the repeating units having the group represented by the following general formula (I) are bonded by an ester bond through an oxygen atom contained in the general formula (I):

OG Complex Work Unit Chemistry
wherein X is an oxygen atom, wherein R1, R2, R3, and R4 are each independently hydrogen atoms, substituted or unsubstituted alkyl groups, and m and n are positive integers.