Patents by Inventor Donglian BAO

Donglian BAO 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).

  • Method for selectively extracting lithium from retired battery and application of method
    Patent number: 12136714
    Abstract: Disclosed are a method for selectively extracting lithium from a retired battery and an application of the method. According to the method, on the basis of an ion exchange effect between a divalent manganese ion and a lithium ion, a positive electrode material and a divalent manganese salt are mixed according to a certain proportion and prepared into a slurry, and the divalent manganese salt and the positive electrode material are fully mixed by means of a ball milling process, such that a lattice structure of the positive electrode material is effectively damaged, thereby reducing activation energy of exchange of the divalent manganese ion and the lithium ion and greatly reducing reaction energy required by a subsequence lithium extraction process.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: November 5, 2024
    Assignees: Guangdong Brunp Recycling Technology Co., Ltd., Hunan Brunp Recycling Technology Co., Ltd., Hunan Brunp Ev Recycling Co., Ltd.
    Inventors: Bo Li, Changdong Li, Dingshan Ruan, Ruokui Chen, Yanchao Qiao, Donglian Bao
  • METHOD FOR SELECTIVELY EXTRACTING LITHIUM FROM RETIRED BATTERY AND APPLICATION OF METHOD
    Publication number: 20240039068
    Abstract: Disclosed are a method for selectively extracting lithium from a retired battery and an application of the method. According to the method, on the basis of an ion exchange effect between a divalent manganese ion and a lithium ion, a positive electrode material and a divalent manganese salt are mixed according to a certain proportion and prepared into a slurry, and the divalent manganese salt and the positive electrode material are fully mixed by means of a ball milling process, such that a lattice structure of the positive electrode material is effectively damaged, thereby reducing activation energy of exchange of the divalent manganese ion and the lithium ion and greatly reducing reaction energy required by a subsequence lithium extraction process.
    Type: Application
    Filed: June 6, 2022
    Publication date: February 1, 2024
    Inventors: Bo LI, Changdong LI, Dingshan RUAN, Ruokui CHEN, Yanchao QIAO, Donglian BAO