公开(公告)号：US20170179492A1

公开(公告)日：2017-06-22

申请号：US14976230

申请日：2015-12-21

Applicant: NISSAN NORTH AMERICA, INC.

Inventor： NILESH DALE ,  JESSICA WEBER ,  YING LIU

IPC: H01M4/66 ,  H01M4/38 ,  H01M4/04 ,  H01M10/0525

CPC classification number: H01M4/66 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/386 ,  H01M4/624 ,  H01M4/625 ,  H01M4/663 ,  H01M4/82 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54

Abstract: An electrode has a first active material layer between a current collector and a separator. The first active material layer comprises an active electrode material and electrically actuated fibers extending from a surface of the current collector and into the active electrode material. The electrically actuated fibers have an actuated state, in which the electrically actuated fibers change dimension in a linear direction under application of an electric field, the electrically actuated fibers configured to direct electrons through the active electrode material in a stacked direction of the electrode, and an unactuated state, in which the electrically actuated fibers are conductive but remain in an original state.

公开(公告)号：US20170125839A1

公开(公告)日：2017-05-04

申请号：US14928253

申请日：2015-10-30

Applicant: Nissan North America, Inc.

Inventor： KAN HUANG ,  NILESH DALE ,  XIAOGUANG HAO ,  JESSICA WEBER ,  YING LIU

IPC: H01M10/0525 ,  H01M4/04

CPC classification number: H01M4/0428 ,  H01M4/043 ,  H01M4/661 ,  H01M4/663 ,  H01M4/70 ,  H01M4/75 ,  H01M4/78 ,  H01M10/052 ,  H01M2220/20 ,  Y02E60/122

Abstract: A method of making a three dimensional electrode having an active material layered between a current collector and a separator includes growing nanotubes at predetermined points on a first sheet of electron directing material, wherein the electron directing material is highly conductive and chemically inert; aligning the nanotubes in a direction perpendicular to the first sheet; functionalizing a distal end of each nanotube; bonding a second sheet of electron directing material to the functionalized distal end of each nanotube; depositing magnetic particles along the second sheet; applying a magnetic field to the magnetic particles to rotate the first sheet, the second sheet and the nanotubes ninety degrees to form an electron directing structure; and attaching the electron directing structure on a surface of the current collector with a polymer binder. The electron directing structure is configured to direct electron flow along a layered direction of the three dimensional electrode.

公开(公告)号：US20170125816A1

公开(公告)日：2017-05-04

申请号：US14928191

申请日：2015-10-30

Applicant: Nissan North America, Inc.

Inventor： KAN HUANG ,  NILESH DALE ,  XIAOGUANG HAO ,  JESSICA WEBER ,  YING LIU

IPC: H01M4/62 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/66 ,  H01M2/16

CPC classification number: H01M4/625 ,  H01M2/1673 ,  H01M4/0404 ,  H01M4/622 ,  H01M4/626 ,  H01M4/661 ,  H01M10/0525 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A battery has a three dimensional electrode including a current collector, electron directing members, each electron directing member having a perimeter edge attached to a surface of the current collector with a polymer binder, the electron directing members extending from the surface of the current collector and configured to direct electron flow along a layered direction of the electrode, an active material layer on the current collector and a separator. The electron directing members extend into the active material layer and having a free end in spaced relation to the separator.

公开(公告)号：US20170125797A1

公开(公告)日：2017-05-04

申请号：US14928362

申请日：2015-10-30

Applicant: Nissan North America, Inc.

Inventor： XIAOGUANG HAO ,  JESSICA WEBER ,  KENZO OSHIHARA ,  YING LIU

IPC: H01M4/36 ,  H01M4/133 ,  H01M4/587 ,  H01M4/04 ,  H01M4/38 ,  H01M4/80 ,  H01M4/134

CPC classification number: H01M4/364 ,  H01M4/0404 ,  H01M4/13 ,  H01M4/139 ,  H01M4/386 ,  H01M4/587 ,  H01M4/624 ,  H01M4/808

Abstract: Electrodes made with a matrix selectively loaded with particular active particles provide uniform distribution and reduce issues due to particle expansion. The electrode has a current collector, a separator and a matrix having first pores having a first size and second pores having a second size, the first size being larger than the second size, the second pores being uniformly distributed throughout the matrix; first active particles deposited in the first pores, the first active particles having a first particle size smaller than the first pores and larger than the second pores; and second active particles deposited in the second pores, the second active particles having a second particle size smaller than the second pores.