Patents by Inventor Shanghao PIAO

Shanghao PIAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • POSITIVE ELECTRODE SLURRY INCLUDING OXALIC ACID, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY
    Publication number: 20210043938
    Abstract: Provided is a positive electrode slurry for preparing a positive electrode for a lithium secondary battery, the positive electrode slurry including a positive electrode active material, a conductive material, a binder, overcharge inhibitor, oxalic acid, and a solvent, wherein the overcharge inhibitor is included in an amount of 1 part by weight to 2 parts by weight, based on 100 parts by weight of the total solid content of the positive electrode active material, the conductive material, and the binder of the positive electrode slurry, the oxalic acid is included in an amount of 0.1 part by weight to 0.7 parts by weight, based on 100 parts by weight of the total solid content of the positive electrode active material, the conductive material, and the binder of the positive electrode slurry, and the positive electrode slurry has a viscosity of 4000 cp to 15000 cp at room temperature.
    Type: Application
    Filed: December 4, 2019
    Publication date: February 11, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Shanghao PIAO, Hye Lim SHIM, Wooha KIM, Sang Hoon CHOY