公开(公告)号：US20230226756A1

公开(公告)日：2023-07-20

申请号：US18154775

申请日：2023-01-13

申请人： Sakuu Corporation

发明人： Morteza VATANI ,  Seyed Mohammad SAJADI ,  Steven Zhichao SHI ,  David Paul WANAMAKER ,  Siamak AZIZI ,  Karl LITTAU

IPC分类号： B29C64/165 ,  B29C64/357 ,  B33Y10/00 ,  B33Y40/00

CPC分类号： B29C64/165 ,  B29C64/357 ,  B33Y10/00 ,  B33Y40/00

摘要： A method and system for 3D printing for creating at least two discrete sections of powder on a substrate, segmenting the substrate to isolate the at least two discrete sections of powder, compacting the powder on a segment of the substrate, removing loose/non-compacted powder from the segment of the substrate, create a printed/processed layer by performing one or more of a printing process or a processing operation on the segment of substrate, and transferring the printed/processed layers from the segment of substrate to a build platform.

公开(公告)号：US20240222594A1

公开(公告)日：2024-07-04

申请号：US18391024

申请日：2023-12-20

申请人： Sakuu Corporation

发明人： Nojan ALIAHMAD ,  Ming LI ,  Stephen RUDISILL ,  Karl LITTAU ,  Jin ZHENG ,  Zhi QIAO ,  Samuel CASTRO ,  Mohammadamin MOGHADASI ,  Mohammad SAJADI ,  Ali Jamal KHAN ,  Lizett ACOSTA ,  Jim RITTER ,  Sadeq SALEH ,  Kyle GAMELIN

IPC分类号： H01M4/04 ,  B05C19/00 ,  B05C19/04 ,  H01M4/02 ,  H01M4/139 ,  H01M4/36 ,  H01M4/62

CPC分类号： H01M4/0404 ,  B05C19/008 ,  B05C19/04 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/139 ,  H01M4/366 ,  H01M4/623 ,  H01M2004/021

摘要： A method for manufacturing a battery electrode includes mixing particles of active electrode materials, conductive additives, and binder to form a dry powder electrode material. The dry powder is then deposited onto a moving electrode current collector using a dry powder dispensing device. The dry powder is a loose powder continuously poured from the dispensing device onto a moving current collector in a roll-to-roll system where the powder remains loose on the current collector as it travels towards a compaction stage. After being poured onto the current collector, the loose dry powder is uniformly spread across the width of the moving current collector web by one or more spreading devices, such as smoothing rollers and conditioning rollers. Finally, the dry powder is compacted using a calender configured to apply pressure and/or heat to the dry powder electrode material to activate the binder and form a battery electrode.