Patents by Inventor Sang-hyun Seong

Sang-hyun Seong 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).

  • CATHODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY WITH CONTROLLED PARTICLE SIZE AND PREPARATION METHOD THEREOF
    Publication number: 20240120475
    Abstract: The present disclosure relates to a cathode active material for an all-solid-state battery with a controlled particle size and a method for preparing the same. In particular, the cathode active material includes lithium and a transition metal, wherein the cathode active material has a single peak in the range of 1 ?m to 10 ?m as a result of particle size distribution (PSD) analysis.
    Type: Application
    Filed: May 4, 2023
    Publication date: April 11, 2024
    Inventors: Sung Woo NOH, Hong Seok MIN, Sang Heon LEE, Jeong Hyun SEO, Im Sul SEO, Chung Bum LIM, Ju Yeong SEONG, Je Sik PARK
  • Polymer solid electrolyte, method for manufacturing polymer solid electrolyte, and lithium secondary cell adopting polymer solid electrolyte
    Patent number: 5965300
    Abstract: A polymer solid electrolyte, a method for manufacturing the polymer solid electrolyte, and a lithium secondary cell adopting the polymer solid electrolyte are provided. The polymer solid electrolyte includes a polymer electrolyte medium, at least one vinylidene fluoride resin and/or at least one N,N-diethylacrylamide. The polymer solid electrolyte provides excellent ion conductivity and mechanical strength.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: October 12, 1999
    Assignee: Samsung Electroonics Co., Ltd.
    Inventors: Doo-yeon Lee, Sang-hyun Seong, Hyung-bok Lee