Patents by Inventor Daohan Cai

Daohan Cai 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).

  • Negative electrode sheet and manufacturing method thereof and battery
    Patent number: 11670761
    Abstract: A negative electrode sheet and a manufacturing method thereof and a battery are provided in the disclosure. The negative electrode sheet includes a conductive fiber cloth, a support layer, and an active material layer. The conductive fiber cloth serves as a current collector of the negative electrode sheet. The support layer is formed on a surface of the conductive fiber cloth and includes multiple protruding units, where each of the multiple protruding units includes multiple needle-shaped protrusions, and the multiple needle-shaped protrusions of each protruding unit are arranged radially. The active material layer includes multiple active portions, where each of the multiple active portions is formed on a surface of one of the multiple needle-shaped protrusions, and different active portions are formed on surfaces of different needle-shaped protrusions.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: June 6, 2023
    Assignees: Shenzhen Hairun New Energy Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.
    Inventors: Qingqing Song, Long Zhang, Yinghui Xu, Junwen Zhang, Xin Lin, Daohan Cai