Patents Assigned to TOP MATERIAL CO., LTD.
  • Binder resin for lithium secondary battery electrode, electrode for lithium secondary battery, and lithium secondary battery
    Patent number: 11569508
    Abstract: Provided are a binder resin for an electrode of a lithium secondary battery containing a solvent-soluble polyimide having a repeating unit represented by the following Formula [I], and a method of producing the binder resin for an electrode. (In the formula, Z represents an aromatic or alicyclic tetracarboxylic dianhydride residue, and Ar is an aromatic diamine residue having a carboxyl group and an aromatic diamine residue having an aromatic ether bond, or an aromatic diamine residue having a phenylindan structure).
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: January 31, 2023
    Assignees: PI R&D CO., LTD., TOP MATERIAL CO., LTD.
    Inventors: Tetsuaki Suzuki, Shuzo Waki, Whan Jin Roh, Seung Joon Hong