Patents by Inventor Chanbeum PARK

Chanbeum PARK 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).

  • ELECTRODE ACTIVE MATERIAL CONTAINING HETEROCYCLIC COMPOUND FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME
    Publication number: 20150099877
    Abstract: An electrode active material for a lithium secondary battery using a heterocyclic compound and a lithium secondary battery including the same are provided. The heterocyclic compound, which is useful as a cathode or anode active material, includes a six-membered ring and a five-membered ring containing one or more elements selected from the group consisting of nitrogen (N), oxygen (O) and sulfur (S), and the heterocyclic compound is configured such that two pairs of carbons which form double bonds with nitrogen atoms contain a functional group linked by a single bond, thus exhibiting redox activity.
    Type: Application
    Filed: January 6, 2014
    Publication date: April 9, 2015
    Applicant: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Sanghyeon HA, Dongik CHEONG, Chanbeum PARK, Minah LEE, Jihyun HONG, Kisuk KANG