Patents Assigned to 4 to One Co.,Ltd.
  • Patent number: 11652213
    Abstract: The present invention relates to an electrode structure, a method of manufacturing the same, and a secondary battery including the same, and the electrode structure may include a negative electrode part; a positive current collector which is formed of a fabric material and surrounds an outer surface of the negative electrode part; and a positive electrode coupled to an edge of the positive current collector.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: May 16, 2023
    Assignees: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), KOREA EAST-WEST POWER CO., LTD., 4 to One Co., Ltd.
    Inventors: Young sik Kim, Young jin Kim, Jeong sun Park, Kyong min Jeon, Young gi Kim, Myung jae Kim
  • Patent number: 11505287
    Abstract: The present disclosure relates to a stand-alone buoy with a seawater battery, which includes a main body formed to have a predetermined buoyancy so as to float on seawater and provided with a seawater space therein and an inlet formed to introduce the seawater into the seawater space, a position notification part installed on the main body and configured to notify a user of a position of the main body, a solar cell part installed on the main body and configured to generate electricity using sunlight, and a seawater battery unit installed in the seawater space to be submerged in the seawater introduced into the seawater space and configured to react with the seawater to store the electricity provided from the solar cell part and to provide the stored electricity to the position notification part so as to operate the position notification part.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: November 22, 2022
    Assignees: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), KOREA EAST-WEST POWER CO., LTD., 4 to One Co., Ltd.
    Inventors: Young sik Kim, Young jin Kim, Myung jae Kim, Young gi Kim, Hye Jin Kim
  • Publication number: 20200339226
    Abstract: The present disclosure relates to a stand-alone buoy with a seawater battery, which includes a main body formed to have a predetermined buoyancy so as to float on seawater and provided with a seawater space therein and an inlet formed to introduce the seawater into the seawater space, a position notification part installed on the main body and configured to notify a user of a position of the main body, a solar cell part installed on the main body and configured to generate electricity using sunlight, and a seawater battery unit installed in the seawater space to be submerged in the seawater introduced into the seawater space and configured to react with the seawater to store the electricity provided from the solar cell part and to provide the stored electricity to the position notification part so as to operate the position notification part.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Applicants: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), KOREA EAST-WEST POWER CO., LTD., 4 to One Co., Ltd.
    Inventors: Young sik KIM, Young jin KIM, Myung jae KIM, Young gi KIM, Hye Jin KIM
  • Publication number: 20200136120
    Abstract: The present invention relates to an electrode structure, a method of manufacturing the same, and a secondary battery including the same, and the electrode structure may include a negative electrode part; a positive current collector which is formed of a fabric material and surrounds an outer surface of the negative electrode part; and a positive electrode coupled to an edge of the positive current collector.
    Type: Application
    Filed: October 24, 2019
    Publication date: April 30, 2020
    Applicants: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), KOREA EAST-WEST POWER CO., LTD., 4 to One Co.,Ltd.
    Inventors: Young sik KIM, Young jin KIM, Jeong sun PARK, Kyong min JEON, Young gi KIM, Myung jae KIM