-
公开(公告)号：US20170062798A1
公开(公告)日：2017-03-02
申请号：US15252481
申请日：2016-08-31
Inventor： Yan Wang , Zhangfeng Zheng , Brandon Ludwig , Heng Pan
IPC: H01M4/04 , H01M4/485 , H01M4/62 , H01M10/0525 , B05B5/08 , H01M4/525 , H01M4/58 , B05D1/06 , B05D3/12 , B05B5/03 , H01M4/36 , H01M4/505
CPC classification number: H01M4/0419 , B05B5/032 , B05B5/1683 , B05D3/0254 , B05D3/12 , B05D2401/32 , H01M4/0404 , H01M4/0435 , H01M4/0471 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M4/623 , H01M4/625 , H01M10/052
Abstract: A dry electrode manufacturing process employed for low cost battery through a dry mixing and formation process. A thermal activation renders the dry fabricated electrode comparable to conventional slurry casted electrodes. The dry electrode mixture results from a combination of a plurality of types of constituent particles, including at least an active charge material and a binder, and typically a conductive material such as carbon. The process heats the deposited mixture to a moderate temperature for activating the binder for adhering the mixture to the substrate; and compresses the deposited mixture to a thickness for achieving an electrical sufficiency of the compressed, deposited mixture as a charge material in a battery.
Abstract translation: 干式电极制造方法，其通过干式混合和形成方法用于低成本电池。 热激活使得干燥的制造电极与常规的浆料铸造电极相当。 干电极混合物是由至少包括活性电荷材料和粘合剂的多种构成颗粒的组合以及通常的导电材料如碳组成的。 该方法将沉积的混合物加热至中等温度，以激活粘合剂以将混合物粘附到基底上; 并将沉积的混合物压缩到一个厚度，以实现作为电池中的电荷材料的压缩沉积的混合物的电气充足性。
-
公开(公告)号：US20240204279A1
公开(公告)日：2024-06-20
申请号：US18582718
申请日：2024-02-21
Applicant: Worcester Polytechnic Institute , Ascend Elements, Inc.
Inventor： Yan Wang , Diran Apelian , Haiyang Zou
CPC classification number: H01M10/54 , C22B1/24 , C22B7/007 , C22B23/0423 , C22B23/043 , C22B23/0438 , C22B26/22
Abstract: Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.
-
公开(公告)号：US11955613B2
公开(公告)日：2024-04-09
申请号：US17412742
申请日：2021-08-26
Applicant: Worcester Polytechnic Institute
Inventor： Yan Wang , Eric Gratz , Qina Sa , Zhangfeng Zheng , Joseph Heelan , Kee-Chan Kim
CPC classification number: H01M10/54 , C22B1/24 , C22B7/007 , C22B23/0423 , C22B23/043 , C22B23/0438 , C22B26/22
Abstract: Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.
-
公开(公告)号：US20240079580A1
公开(公告)日：2024-03-07
申请号：US17902021
申请日：2022-09-02
Applicant: Worcester Polytechnic Institute
Abstract: A method for recycling secondary battery charge materials includes a one-step molten-salt process to upcycle mixed Ni-lean polycrystalline NMC cathodes into Ni-rich single-crystal NMC cathodes. The method includes receiving a recycling stream of charge materials from end-of-lifetime batteries, adding additional charge materials based on an upcycled battery chemistry intended for the upgraded, recycled battery, and sintering the combined charge materials for generating a single crystal charge material corresponding to the upcycled battery chemistry using a molten salt direct recycling process.
-
公开(公告)号：US20230198040A1
公开(公告)日：2023-06-22
申请号：US18113130
申请日：2023-02-23
Applicant: Worcester Polytechnic Institute , Ascend Elements, Inc.
Inventor： Yan Wang , Diran Apelian , Haiyang Zou
CPC classification number: H01M10/54 , C22B23/0438 , C22B23/0423 , C22B26/22 , C22B23/043 , C22B1/24 , C22B7/007
Abstract: Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.
-
Patent Agency Ranking
公开(公告)号：US20220325378A1
公开(公告)日：2022-10-13
申请号：US17719080
申请日：2022-04-12
Applicant: Worcester Polytechnic Institute
Inventor： Yan Wang , Jiahui Hou , Xiaotu MA , Jinzhao Fu
Abstract: Lithium recycling from expended Li-Ion batteries occurs thought selective recovery of lithium charge materials from a recycling stream including transition metals used for the charge material. Li recovery includes dissolving the lithium based charge material in an organic acid having a resistance or lack of affinity to dissolution of transition metals, and distilling a leach solution formed from the dissolved charge material for generating a powder including lithium and trace impurities of the transition metals. Sintering of the generated powder forms lithium carbonate and carbonates of the trace impurities that eluded the selective leach, however, since the trace impurities are insoluble in water, the lithium carbonate is recoverable by water washing.
-
公开(公告)号：US20220311068A1
公开(公告)日：2022-09-29
申请号：US17841152
申请日：2022-06-15
Applicant: Worcester Polytechnic Institute
Inventor： Yan Wang , Eric Gratz , Qina Sa , Zhangfeng Zheng , Joseph Heelan , Kee-Chan Kim
Abstract: Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.
-
公开(公告)号：US20210391606A1
公开(公告)日：2021-12-16
申请号：US17412742
申请日：2021-08-26
Applicant: Worcester Polytechnic Institute
Inventor： Yan Wang , Eric Gratz , Qina Sa , Zhangfeng Zheng , Joseph Heelan , Kee-Chan Kim
Abstract: Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.
-
公开(公告)号：US11127992B2
公开(公告)日：2021-09-21
申请号：US16164952
申请日：2018-10-19
Applicant: Worcester Polytechnic Institute
Inventor： Yan Wang , Eric Gratz , Qina Sa , Zhangfeng Zheng , Joseph Heelan
IPC: H01M10/54 , H01M4/505 , H01M10/0525 , C22B7/00 , C01G53/00 , C22B26/12 , C22B3/02 , H01M4/525 , C01D15/08 , C22B3/00 , C22B47/00 , C01G3/02 , C01F7/42 , C01G49/02
Abstract: Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.
-
公开(公告)号：US20190123402A1
公开(公告)日：2019-04-25
申请号：US16164952
申请日：2018-10-19
Applicant: Worcester Polytechnic Institute
Inventor： Yan Wang , Eric Gratz , Qina Sa , Zhangfeng Zheng , Joseph Heelan
Abstract: Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.
-
-
-
-
-
-
-
-
-
Search Results
31
records
(took 0.03 seconds)
