公开(公告)号：US20230268502A1

公开(公告)日：2023-08-24

申请号：US18133925

申请日：2023-04-12

申请人： UCHICAGO ARGONNE, LLC

发明人： Albert L. LIPSON ,  Jessica L. DURHAM

IPC分类号： H01M4/525 ,  H01M4/36 ,  H01M4/04 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525

CPC分类号： H01M4/525 ,  H01M4/366 ,  H01M4/0471 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525 ,  H01M2300/002 ,  H01M50/40

摘要： A stabilized lithium metal oxide cathode material comprises microparticles of lithium metal oxide in which individual particles thereof a core of lithium metal oxide and a coating of a different lithium metal oxide surrounding the core. There is an interface layer between the cores and the coatings in which there are gradients of metal ions in the direction of coating to core. The materials are made by a three stage process involving coprecipitating precursor metal hydroxide core particles at a controlled pH; coprecipitating a different metal hydroxide coating on the particles without controlling the pH; and then calcining the resulting coated precursor particles with lithium hydroxide to form the stabilized lithium metal oxide material.

公开(公告)号：US11652261B2

公开(公告)日：2023-05-16

申请号：US17048704

申请日：2019-08-12

申请人： LG CHEM, LTD.

发明人： Jeeeun Kim ,  Namwon Kim ,  Duk Hyun Ryu

IPC分类号： H01M50/533 ,  H01M50/595 ,  H01M50/536 ,  H01M50/40 ,  H01M50/46 ,  H01M10/04 ,  H01M50/531

CPC分类号： H01M50/533 ,  H01M10/0422 ,  H01M50/40 ,  H01M50/46 ,  H01M50/531 ,  H01M50/536 ,  H01M50/595

摘要： An electrode assembly including a negative electrode sheet, a positive electrode sheet, and a separator, wherein the separator may be disposed at an outermost side of the electrode assembly, an electrode tab disposed further inside than the separator may be attached to one of the negative electrode sheet and the positive electrode sheet, and a metal layer disposed between the electrode tab and the separator may include an adhesive material.

公开(公告)号：US12100798B2

公开(公告)日：2024-09-24

申请号：US17400533

申请日：2021-08-12

申请人： KABUSHIKI KAISHA TOSHIBA

发明人： Tomomichi Naka

IPC分类号： H01M10/04 ,  H01M10/6556 ,  H01M50/308 ,  H01M50/342 ,  H01M50/40

CPC分类号： H01M10/049 ,  H01M10/6556 ,  H01M50/308 ,  H01M50/342 ,  H01M50/40

摘要： According to one embodiment, a constraint jig, used in manufacturing of a battery in which an electrode group is stored in an exterior container having a square shape, is provided. The constraint jig includes a plurality of metal constraint plates. The plurality of constraint plates are arrayed, and form a space in which the battery is arranged between constraint plates adjacent to each other. The plurality of constraint plates constrain the battery arranged in the space, and thus prevent an expansion of the exterior container beyond a predetermined range. Each of the constraint plates has an inner hollow, and includes an inflow port allowing a cooling fluid to flow into the inner hollow and an outflow port allowing the cooling fluid to flow out of the inner hollow.

公开(公告)号：US12095040B2

公开(公告)日：2024-09-17

申请号：US18106689

申请日：2023-02-07

申请人： Enovix Corporation

发明人： Robert S. Busacca ,  Ashok Lahiri ,  Murali Ramasubramanian ,  Bruno A. Valdes ,  Gardner Cameron Dales ,  Christopher J. Spindt ,  Geoffrey Matthew Ho ,  Harrold J. Rust, III ,  James D. Wilcox ,  John F. Varni ,  Kim Han Lee ,  Nirav S. Shah ,  Richard J. Contreras ,  Lynn Van Erden ,  Ken S. Matsubayashi ,  Jeremie J. Dalton ,  Jason Newton Howard ,  Robert Keith Rosen

IPC分类号： H01M10/0585 ,  H01M50/40 ,  H01M50/491 ,  H01M50/497 ,  H01M50/531 ,  H01M50/54

CPC分类号： H01M10/0585 ,  H01M50/40 ,  H01M50/491 ,  H01M50/531 ,  H01M50/497 ,  H01M50/54

摘要： A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length LC of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 μm≥|SZ1|≥5 μm.

公开(公告)号：US11901501B2

公开(公告)日：2024-02-13

申请号：US17948380

申请日：2022-09-20

申请人： PANASONIC HOLDINGS CORPORATION ,  SANYO Electric Co., Ltd.

发明人： Takeshi Enomoto ,  Tomohiko Yokoyama ,  Yuji Yamagami ,  Kazutoshi Kohira

IPC分类号： H01M10/05 ,  H01M50/15 ,  H01M10/0525 ,  H01M10/0587 ,  H01M50/325 ,  H01M50/40 ,  H01M50/155

CPC分类号： H01M10/0525 ,  H01M10/0587 ,  H01M50/155 ,  H01M50/325 ,  H01M50/40

摘要： An insulating plate for a secondary battery includes a wound electrode group, an electrolyte, a cylindrical battery case that houses the electrode group and the electrolyte, and a sealing body that seals an opening of the battery case and includes a discharge valve. The insulating plate is disposed between the electrode group and the sealing body and has a disk shape with a thickness T of 0.1 mm or more. The insulating plate has a first hole formed centrally therein and at least one second hole formed around the first hole so as to extend along the outer periphery of the disk shape. The ratio (=T/D) of the thickness T to a diameter D of the insulating plate is 0.016 or less, and the insulating plate has an opening ratio of 36% or less.

公开(公告)号：US11862801B1

公开(公告)日：2024-01-02

申请号：US16108503

申请日：2018-08-22

申请人： Apple Inc.

发明人： Qingcheng Zeng

IPC分类号： H01M4/66 ,  H01M10/0525 ,  H01M10/0585 ,  H01M4/62 ,  H01M50/40 ,  H01M50/197 ,  H01M50/534 ,  H01M4/02

CPC分类号： H01M4/661 ,  H01M4/621 ,  H01M4/624 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/197 ,  H01M50/40 ,  H01M50/534 ,  H01M2004/027 ,  H01M2004/028

摘要： Batteries according to embodiments of the present technology may include a battery cell having a first current collector including a polymer and a metal at least partially disposed about surfaces of the polymer. An edge region of the first current collector may be maintained free of the metal on a first surface of the first current collector. The battery cell may include a second current collector. The battery cell may also include a separator disposed between the first current collector and the second current collector. The separator may include a polymer, and the separator and the first current collector may be laminated proximate the edge region of the first current collector along the first surface of the first current collector.

公开(公告)号：US20230307714A1

公开(公告)日：2023-09-28

申请号：US18106689

申请日：2023-02-07

申请人： Enovix Corporation

发明人： Robert S. BUSACCA ,  Ashok LAHIRI ,  Murali RAMASUBRAMANIAN ,  Bruno A. VALDES ,  Gardner Cameron DALES ,  Christopher J. SPINDT ,  Geoffrey Matthew HO ,  Harrold J. RUST, III ,  James D. WILCOX ,  John F. VARNI ,  Kim Han LEE ,  Nirav S. SHAH ,  Richard J. CONTRERAS ,  Lynn VAN ERDEN ,  Ken S. MATSUBAYASHI ,  Jeremie J. DALTON ,  Jason Newton HOWARD ,  Robert Keith ROSEN

IPC分类号： H01M10/0585 ,  H01M50/531 ,  H01M50/40

CPC分类号： H01M10/0585 ,  H01M50/40 ,  H01M50/531

摘要： A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 µm ≥ |SZ1| ≥ 5 µm.

公开(公告)号：US11749837B2

公开(公告)日：2023-09-05

申请号：US17119550

申请日：2020-12-11

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： Keiichiro Kobayashi

IPC分类号： H01M10/0566 ,  H01M10/04 ,  H01M4/13 ,  H01M50/204 ,  H01M50/40 ,  H01M10/647

CPC分类号： H01M10/0566 ,  H01M4/13 ,  H01M10/0431 ,  H01M10/647 ,  H01M50/204 ,  H01M50/40

摘要： In a battery pack disclosed herein, a plurality of single cells are aligned in an alignment direction. In this battery pack, a spacer is disposed in a gap between adjacent ones of the single cells, and a convex rib is formed on the spacer. In a flat surface of each single cell, a region where the rib is in contact is a confined region, and a region where the rib is not in contact is a non-confined region. In the non-confined region within the battery case, an internal pressure adjusting bag filled with a gas is housed. In addition, gas supplying means (soluble part) for supplying the gas held in the internal pressure adjusting bag to an internal space of the battery case is provided. Thus, a negative pressure within the single cell is removed, and deterioration of high-rate performance otherwise caused by outflow of an electrolyte can be prevented.

公开(公告)号：US11658298B2

公开(公告)日：2023-05-23

申请号：US16877925

申请日：2020-05-19

申请人： UCHICAGO ARGONNE, LLC

发明人： Albert L. Lipson ,  Jessica L. Durham

IPC分类号： H01M4/525 ,  H01M4/36 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M50/40

CPC分类号： H01M4/525 ,  H01M4/0471 ,  H01M4/366 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M50/40 ,  H01M2300/002

摘要： A stabilized lithium metal oxide cathode material comprises microparticles of lithium metal oxide in which individual particles thereof a core of lithium metal oxide and a coating of a different lithium metal oxide surrounding the core. There is an interface layer between the cores and the coatings in which there are gradients of metal ions in the direction of coating to core. The materials are made by a three stage process involving coprecipitating precursor metal hydroxide core particles at a controlled pH; coprecipitating a different metal hydroxide coating on the particles without controlling the pH; and then calcining the resulting coated precursor particles with lithium hydroxide to form the stabilized lithium metal oxide material.

公开(公告)号：US12107283B2

公开(公告)日：2024-10-01

申请号：US17484471

申请日：2021-09-24

申请人： Apple Inc.

发明人： Angelo V. Marasco ,  Nathan J. Bohney ,  John M. McCambridge ,  Antonio Manenti ,  Laura E. Mayer ,  Scott L. Gooch ,  Jonathan C. Wilson ,  Flynn P. Carson

IPC分类号： H01M50/183 ,  H01M10/42 ,  H01M50/40 ,  H01M50/531 ,  H01M50/543

CPC分类号： H01M50/183 ,  H01M10/425 ,  H01M50/40 ,  H01M50/531 ,  H01M50/543 ,  H01M2010/4271 ,  H01M2220/30

摘要： Battery systems according to embodiments of the present technology may include a battery cell having an electrode tab extending from an edge of the battery cell. The systems may also include a module electrically coupled with the battery cell. The module may be characterized by a first surface, a height, and a second surface opposite the first surface. A conductive tab coupled along the first surface of the module may extend from a first end parallel to a plane of the first surface. The conductive tab may be characterized by a curvature proximate a midpoint of the conductive tab. A distal region of the conductive tab may return back across the first surface of the module substantially parallel to the first surface. A distal portion of the electrode tab may be fixedly coupled with the distal region of the conductive tab.