公开(公告)号：US09634315B2

公开(公告)日：2017-04-25

申请号：US14816207

申请日：2015-08-03

申请人： SiNode Systems, Inc.

发明人： Cary Michael Hayner ,  Saad Hasan ,  Joshua Jonathan Lau ,  Christine A. Frysz ,  Peter Jefferies Santos

IPC分类号： H01M4/04 ,  H01M4/36 ,  H01M4/38 ,  H01M4/48 ,  H01M4/583 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/485 ,  H01M4/587 ,  H01M4/62

CPC分类号： H01M4/0471 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/0435 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/364 ,  H01M4/485 ,  H01M4/587 ,  H01M4/62 ,  H01M4/625

摘要： An anode or negative electrode having a material matrix of carbon, graphene and an active element such as silicon or tin is described. The electrode is fabricated from an electrode slurry that does not utilize an organic binder. The electrode slurry comprises a combination of silicon and graphene oxide suspensions that is applied to a surface of a substrate such as a current collector. The layer of electrode slurry is heat treated to ensure adhesion of the layer of active electrode material to the surface of the current collector. The electrode may be incorporated within a lithium ion electrochemical cell.

公开(公告)号：US11189825B2

公开(公告)日：2021-11-30

申请号：US15350271

申请日：2016-11-14

申请人： SINODE SYSTEMS, INC.

发明人： Cary Michael Hayner ,  Francis Wang ,  Christine A. Frysz

IPC分类号： H01M4/36 ,  H01M4/134 ,  H01M4/38 ,  H01M4/587 ,  H01M4/136 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

摘要： An electrochemically active material including composite particles that each include a graphene-based material shell surrounding nanoparticles of a core material. The composite particles may include a BET surface area of less than about 75 m2/g. The electrochemically active material may be formed into an electrode incorporated within a lithium ion electrochemical cell.

公开(公告)号：US11171325B2

公开(公告)日：2021-11-09

申请号：US15207090

申请日：2016-07-11

申请人： SiNode Systems, Inc.

发明人： Joshua J. Lau ,  Cary M. Hayner ,  Seonbaek Ha ,  James Mckinney ,  Francis Wang ,  Christine A. Frysz

IPC分类号： H01M4/36 ,  H01M10/0525 ,  H01M4/133 ,  H01M4/38 ,  H01M4/42 ,  H01M4/46 ,  H01M4/48 ,  H01M4/485 ,  H01M4/587 ,  H01M4/62 ,  H01M4/02

摘要： A negative electrode of a lithium ion electrochemical cell, the negative electrode including an active electrode material that includes a first component and a second component. The first component may include graphene, silicon, or a combination thereof. The second component may include silicon. The active electrode material may include particles in which the second component is encapsulated by the first component. The negative electrode may have an internal porosity of between 40 to 60 percent.

公开(公告)号：US10115998B2

公开(公告)日：2018-10-30

申请号：US14745747

申请日：2015-06-22

申请人： SiNode Systems, Inc.

发明人： Cary Michael Hayner ,  Rachid Amine ,  Christine A. Frysz

IPC分类号： H01M10/44 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/133 ,  H01M4/136 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0567 ,  H01M4/02

摘要： A lithium ion electrochemical cell is described in which an electrode comprises a lithiation agent. The lithiation agent, which comprises a lithium constituent, is designed to provide an excess source of lithium to minimize capacity loss of the lithium ion electrochemical cell. The anode of the lithium ion cell comprises a material matrix comprising carbon, graphene and an active element such as silicon or tin.