公开(公告)号：US20220255071A1

公开(公告)日：2022-08-11

申请号：US17667361

申请日：2022-02-08

申请人： ionobell, Inc.

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

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

摘要： A silicon material can include particles with a size between about 10 nanometers and 10 micrometers, where the particles can be porous or nonporous, and a coating disposed on the particles, wherein a thickness of the coating can be between about 1 nm and 1 μm. The coating can optionally include a carbon coating, graphite coating, or a polymeric coating.

公开(公告)号：US11242258B1

公开(公告)日：2022-02-08

申请号：US17097774

申请日：2020-11-13

申请人： ionobell Inc

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： C01B33/023 ,  C01B33/18 ,  C23C16/26 ,  B82Y40/00 ,  B82Y30/00

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. The method of manufacture can optionally include purifying a silica, exposing the silica to reaction modifiers, purifying the mixture of the silica and reaction modifiers, comminuting the silica, purifying the silicon, coating the silicon, post-processing the silicon, and/or any suitable steps.

公开(公告)号：US11066305B1

公开(公告)日：2021-07-20

申请号：US17097814

申请日：2020-11-13

申请人： ionobell Inc

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： H01M4/02 ,  C01B33/02 ,  H01M4/38 ,  H01M4/36 ,  H01M4/583 ,  B82Y40/00 ,  C01B32/20 ,  B82Y30/00

摘要： 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：US12057568B2

公开(公告)日：2024-08-06

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： H01B1/24 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/62 ,  H01M4/02

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

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：US20240246827A1

公开(公告)日：2024-07-25

申请号：US18594949

申请日：2024-03-04

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： C01B33/025 ,  B22F9/04 ,  B82Y30/00 ,  C23F1/44 ,  H01M4/38

CPC分类号： C01B33/025 ,  B22F9/04 ,  C23F1/44 ,  H01M4/386 ,  B22F2009/043 ,  B82Y30/00 ,  C01P2004/61 ,  C01P2006/16

摘要： A method for forming a porous silicon material can include forming a mixture of silicon, carbon, and an etchant element, solidifying the mixture, removing the etchant element to form pores within the silicon material. The porous silicon material can include a distribution of pores with an average pore diameter between about 10 nm and 500 nm, wherein the silicon particle comprises a silicon carbon composite comprising 1-5% carbon by mass, 1-5% oxygen by mass, and 90-98% silicon by mass.

公开(公告)号：US11799075B2

公开(公告)日：2023-10-24

申请号：US17964698

申请日：2022-10-12

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

IPC分类号： H01M4/04 ,  H01M4/38 ,  H01M4/62 ,  H01M4/583 ,  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：US20230307621A1

公开(公告)日：2023-09-28

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： H01M4/38 ,  H01M4/04 ,  H01M4/62 ,  H01M4/583

CPC分类号： H01M4/386 ,  H01M4/0416 ,  H01M4/622 ,  H01M4/0435 ,  H01M4/625 ,  H01M4/0485 ,  H01M4/583 ,  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：US20230110918A1

公开(公告)日：2023-04-13

申请号：US17964698

申请日：2022-10-12

申请人： ionobell, Inc.

发明人： Robert C. Ionescu ,  Chueh Liu

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

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：US11584653B2

公开(公告)日：2023-02-21

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： H01M4/02 ,  C01B33/02 ,  H01M4/38 ,  H01M4/36 ,  H01M4/583 ,  B82Y40/00 ,  C01B32/20 ,  B82Y30/00

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：US20220393162A1

公开(公告)日：2022-12-08

申请号：US17890863

申请日：2022-08-18

申请人： ionobell, Inc.

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

IPC分类号： H01M4/38 ,  H01M4/62 ,  H01M10/0525

摘要： A silicon material can include particles with a size between about 10 nanometers and 10 micrometers, where the particles can be porous or nonporous, and a coating disposed on the particles, wherein a thickness of the coating can be between about 1 nm and 1 μm. The coating can optionally include a carbon coating, graphite coating, or a polymeric coating.