公开(公告)号：US20240014380A1

公开(公告)日：2024-01-11

申请号：US18219295

申请日：2023-07-07

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/62

CPC分类号： H01M4/364 ,  H01M4/386 ,  H01M4/587 ,  H01M4/622 ,  H01M2004/021

摘要： A silicon mixture can include active material, one or more additive, and optionally solvent. A method for making a silicon mixture can include reducing a silica precursor, fusing silicon particles, mixing constituents of a silicon mixture, and casting a film using the silicon mixture.

公开(公告)号：US20220153594A1

公开(公告)日：2022-05-19

申请号：US17525769

申请日：2021-11-12

申请人： ionobell Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： C01B33/02 ,  H01M4/38 ,  H01M4/36 ,  H01M4/583

摘要： A silicon material can include a composition with at least about 50% silicon, at most about 45% carbon, and at most about 10 % oxygen. The silicon material can have an external expansion that is less than about 40%. The silicon material can include silicon nanoparticles, which can cooperatively form clusters. The silicon nanoparticles can be porous.

公开(公告)号：US20230150824A1

公开(公告)日：2023-05-18

申请号：US18096280

申请日：2023-01-12

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： C01B33/02 ,  H01M4/38 ,  H01M4/36 ,  H01M4/583

CPC分类号： C01B33/02 ,  H01M4/386 ,  H01M4/366 ,  H01M4/583 ,  B82Y40/00

摘要： A silicon material can include a composition with at least about 50% silicon, at most about 45% carbon, and at most about 10% oxygen. The silicon material can have an external expansion that is less than about 40%. The silicon material can include silicon nanoparticles, which can cooperatively form clusters. The silicon nanoparticles can be porous.

公开(公告)号：US11591478B2

公开(公告)日：2023-02-28

申请号：US17824627

申请日：2022-05-25

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： C09C3/00 ,  B02C21/00 ,  B02C23/24 ,  B02C17/20 ,  C01B33/02 ,  C09C1/28 ,  C09C3/04 ,  C09C3/06 ,  B02C17/18 ,  C01B33/18 ,  C08K3/04 ,  C09D133/20 ,  B02C17/16

摘要： A silicon material can include a silicon aggregate comprising a plurality of porous silicon nanoparticles welded together. The silicon aggregate can optionally have a polyhedral morphology. A method can include: receiving a plurality of porous silicon nanoparticles and cold welding the plurality of porous silicon nanoparticles into an aggregated silicon particle.

公开(公告)号：US20220306478A1

公开(公告)日：2022-09-29

申请号：US17841435

申请日：2022-06-15

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： C01B33/02 ,  H01M4/38 ,  H01M4/36 ,  H01M4/583

摘要： A method for manufacturing a silicon material can include comminuting a silicon material. A silicon material can include silicon nanoparticles formed by comminuting silicon particles, where the silicon nanoparticles can cooperatively form pores.

公开(公告)号：US20220153593A1

公开(公告)日：2022-05-19

申请号：US17322487

申请日：2021-05-17

申请人： ionobell Inc

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： C01B33/02 ,  H01M4/36 ,  H01M4/583 ,  H01M4/38

摘要： A method for manufacturing porous silicon can include reducing unpurified silica in the presence of a reducing agent to prepare a porous silicon material. A porous silicon material including silicon nanoparticles and clusters of silicon nanoparticles, where the pores are cooperatively defined by the nanoparticles within the clusters.

公开(公告)号：US20240339594A1

公开(公告)日：2024-10-10

申请号：US18748772

申请日：2024-06-20

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： H01M4/36 ,  H01B1/24 ,  H01M4/02 ,  H01M4/38 ,  H01M4/587 ,  H01M4/62

CPC分类号： H01M4/364 ,  H01B1/24 ,  H01M4/386 ,  H01M4/587 ,  H01M4/622 ,  H01M2004/021 ,  H01M2004/027

摘要： A method for making an anode slurry can include mixing an active material, a conductive additive, and a binder in a solvent, where a ratio of the active material to the conductive additive to the binder is between 70:15:15 and 95:0:5 by mass, wherein a mixing environment is maintained under vacuum relative to atmospheric pressure.

公开(公告)号：US20240332520A1

公开(公告)日：2024-10-03

申请号：US18732190

申请日：2024-06-03

申请人： ionobell, Inc.

发明人： Matthew Garrity ,  Robert C. Ionescu ,  Chueh Liu

IPC分类号： H01M4/38 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0565

CPC分类号： H01M4/386 ,  H01M4/382 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0565 ,  H01M2004/021 ,  H01M2300/0051 ,  H01M2300/0091

摘要： A battery can include a cathode including a lithium-containing active material and a solid electrolyte; an anode including a silicon active material including porous silicon particles and optionally a solid electrolyte, a separator between the anode and the cathode, and an enclosure surrounding the anode, the cathode, and the separator.

公开(公告)号：US12040439B2

公开(公告)日：2024-07-16

申请号：US18143230

申请日：2023-05-04

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： H01M4/04 ,  H01M4/38 ,  H01M4/583 ,  H01M4/62 ,  H01M4/02

CPC分类号： H01M4/386 ,  H01M4/0416 ,  H01M4/0435 ,  H01M4/0485 ,  H01M4/583 ,  H01M4/622 ,  H01M4/625 ,  H01M2004/021

摘要： A method for forming a battery anode can include: forming a slurry including active material comprising silicon particles, wherein the silicon particles can be derived from silica fumes, depositing the slurry on an current collector, drying the deposited slurry to form a deposited film, and compacting the deposited film to form the battery anode.

公开(公告)号：US20240190711A1

公开(公告)日：2024-06-13

申请号：US18584207

申请日：2024-02-22

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： C01B33/025 ,  C01B33/18

CPC分类号： C01B33/025 ,  C01B33/181 ,  C01P2002/02 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/80

摘要： A method can include reducing a silica starting material to produce a first quantity of at least metallurgical grade silicon and a second quantity of silica comprising elemental carbon doping, wherein the silica starting material is reduced in the presence of a carbonaceous reducing agent. A silica material can be a silica material as prepared according to the method.