公开(公告)号：US20230387517A1

公开(公告)日：2023-11-30

申请号：US18450251

申请日：2023-08-15

申请人： TOYO KOHAN CO., LTD.

发明人： Kota SADAKI ,  Koh YOSHIOKA

IPC分类号： H01M50/124 ,  C25D7/00 ,  C23C28/02 ,  C23C10/20 ,  C23C10/30 ,  C23C10/02 ,  C23C10/18 ,  C23C10/28 ,  C25D5/48 ,  B32B15/04 ,  C23C10/08 ,  C23C30/00 ,  B32B15/18 ,  B32B15/01 ,  C23C10/60 ,  H01M50/107 ,  H01M50/213 ,  C25D7/06 ,  H01M50/119 ,  H01M50/133 ,  H01M50/134 ,  H01M50/145 ,  C25D5/50 ,  C25D3/12

CPC分类号： H01M50/124 ,  C25D7/00 ,  C23C28/023 ,  C23C28/02 ,  C23C28/021 ,  C23C10/20 ,  C23C10/30 ,  C23C10/02 ,  C23C10/18 ,  C23C10/28 ,  C25D5/48 ,  B32B15/04 ,  C23C10/08 ,  B32B15/043 ,  C23C30/005 ,  B32B15/18 ,  B32B15/013 ,  C23C10/60 ,  C23C30/00 ,  H01M50/107 ,  H01M50/213 ,  H01M50/1245 ,  C25D7/0614 ,  H01M50/119 ,  H01M50/133 ,  H01M50/134 ,  H01M50/145 ,  C25D5/50 ,  B32B15/015 ,  C25D3/12 ,  Y10T428/264 ,  Y10T428/12958 ,  Y10T428/27 ,  Y10T428/12979 ,  Y10T428/24942 ,  Y10T428/12951 ,  Y10T428/2495 ,  Y10T428/12972 ,  Y10T428/12965 ,  Y10T428/12993 ,  Y10T428/263 ,  Y10T428/265 ,  Y10T428/24967 ,  Y10T428/24975 ,  Y10T428/12937 ,  Y02E60/10 ,  Y10T428/12944 ,  H01M50/131

摘要： A surface-treated steel sheet for a battery container includes a steel sheet, an iron-nickel diffusion layer formed on the steel sheet, and a nickel layer formed on the iron-nickel diffusion layer and constituting the outermost layer. When the Fe intensity and the Ni intensity are continuously measured from the surface of the surface-treated steel sheet for a battery container along the depth direction with a high frequency glow discharge optical emission spectrometric analyzer, the thickness of the iron-nickel diffusion layer being the difference (D2−D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is 0.04 to 0.31 μm; and the total amount of the nickel contained in the iron-nickel diffusion layer and the nickel contained in the nickel layer is 10.8 to 26.7 g/m2.

公开(公告)号：US11707880B2

公开(公告)日：2023-07-25

申请号：US17749456

申请日：2022-05-20

申请人： DAI NIPPON PRINTING CO., LTD.

发明人： Daisuke Yasuda ,  Rikiya Yamashita ,  Takanori Yamashita

IPC分类号： B29C55/12 ,  B32B27/36 ,  B65D65/40 ,  H01M50/124 ,  H01M50/129 ,  H01M50/133 ,  H01M50/121 ,  H01M50/131 ,  B32B7/12 ,  B32B15/09 ,  B32B15/20 ,  H01M50/14 ,  H01M50/119 ,  H01M50/117 ,  H01M50/198 ,  H01M50/126 ,  H01M50/197 ,  H01M50/19 ,  H01M50/10 ,  H01M50/145 ,  H01M50/116

CPC分类号： B29C55/12 ,  B32B27/36 ,  B65D65/40 ,  H01M50/121 ,  H01M50/124 ,  H01M50/129 ,  H01M50/133 ,  B32B7/12 ,  B32B15/09 ,  B32B15/20 ,  B32B2250/04 ,  B32B2250/05 ,  B32B2255/20 ,  B32B2255/205 ,  B32B2307/518 ,  B32B2367/00 ,  B32B2457/10 ,  H01M50/10 ,  H01M50/116 ,  H01M50/117 ,  H01M50/119 ,  H01M50/126 ,  H01M50/131 ,  H01M50/14 ,  H01M50/145 ,  H01M50/19 ,  H01M50/197 ,  H01M50/198 ,  Y10T428/31678 ,  Y10T428/31681 ,  Y10T428/31786

摘要： A technology for improving molding properties while minimizing curling after molding in a battery packaging material comprising a laminate that is provided with a barrier layer, a heat-sealable resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. This battery packaging material is configured from at least a laminate provided with a barrier layer, a heat-sealable resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. The birefringence of the polyester film is in the range of 0.016-0.056.

公开(公告)号：US12107282B2

公开(公告)日：2024-10-01

申请号：US17609131

申请日：2020-04-07

申请人： LG Energy Solution, Ltd.

发明人： Kwang Su Hwang Bo

IPC分类号： H01M50/186 ,  H01M50/107 ,  H01M50/124 ,  H01M50/145 ,  H01M50/147 ,  H01M50/152 ,  H01M50/167 ,  H01M50/184 ,  H01M50/30 ,  H01M50/574 ,  H01M50/198

CPC分类号： H01M50/167 ,  H01M50/1245 ,  H01M50/145 ,  H01M50/147 ,  H01M50/184 ,  H01M50/186 ,  H01M50/30 ,  H01M50/574 ,  H01M50/107 ,  H01M50/152

摘要： A gasket for cylindrical batteries includes a supporting portion configured to support a cap assembly and a crimping portion having opposite first and second ends, the crimping portion extending upwards from the first end disposed at a radially outer side of the supporting portion. An extension portion is connected to the second end of the crimping portion and extends along the outer side of the crimping portion towards the first end.

公开(公告)号：US20240304907A1

公开(公告)日：2024-09-12

申请号：US18003346

申请日：2022-10-26

申请人： EVE POWER CO., LTD. ,  HUIZHOU EVE POWER CO., LTD

发明人： Di Wu ,  Kaibo Li ,  Feng Chen ,  Wei He ,  Jincheng Liu

IPC分类号： H01M50/145 ,  H01M50/107 ,  H01M50/119 ,  H01M50/184 ,  H01M50/186 ,  H01M50/533

CPC分类号： H01M50/145 ,  H01M50/107 ,  H01M50/119 ,  H01M50/184 ,  H01M50/186 ,  H01M50/533

摘要： A battery, a battery module, and a battery pack are provided in the present application. The battery provided in the present application includes a housing and a negative electrode current collector disk. The negative electrode current collector disk is disposed inside the housing, and the negative electrode current collector disk is welded with the housing inside the housing before the housing is sealed.

公开(公告)号：US20240266648A1

公开(公告)日：2024-08-08

申请号：US18619933

申请日：2024-03-28

申请人： Dongguan Amperex Technology Limited

发明人： Daolin LIU

IPC分类号： H01M50/145 ,  H01M50/107 ,  H01M50/213 ,  H01M50/502 ,  H01M50/528 ,  H01M50/533 ,  H01M50/536

CPC分类号： H01M50/145 ,  H01M50/107 ,  H01M50/213 ,  H01M50/502 ,  H01M50/528 ,  H01M50/533 ,  H01M50/536

摘要： A cylindrical battery, including: a housing, an electrode assembly, a first current collecting disc, and a protection piece. The housing contains a first end portion. The electrode assembly is accommodated in the housing. The first current collecting disc is electrically connected to the electrode assembly in the housing. The first end portion contains several welding track configured to be connected to the first current collecting disc. The first end portion further contains a first surface oriented away from the first current collecting disc. On the first surface, the welding track are arranged away from a center of the first surface. The protection piece is sheathed around the housing, extends beyond the first surface, and covers the welding track. No welding track is arranged at the center of the first surface.

公开(公告)号：US20240051267A1

公开(公告)日：2024-02-15

申请号：US18378836

申请日：2023-10-11

申请人： DAI NIPPON PRINTING CO., LTD.

发明人： Atsuko TAKAHAGI ,  Tatsuro ISHITOBI ,  Chiaki HATSUTA ,  Makoto KOMUKAI ,  Mayo SUGANO

IPC分类号： B32B15/08 ,  B32B15/20 ,  H01M4/66 ,  H01M50/145 ,  H01M50/119

CPC分类号： B32B15/08 ,  B32B15/20 ,  H01M4/662 ,  H01M50/145 ,  H01M50/119 ,  H01M50/133

摘要： Aluminum alloy foil that, when used for battery packaging material, unlikely to develop pinholes or cracks even during molding of battery packaging material, and can exhibit excellent moldability. Aluminum alloy foil, which is for use in battery packaging material, wherein, with respect to cross section obtained by cutting aluminum alloy foil in vertical direction to rolling direction of aluminum alloy foil, which is a vertical direction to surface of aluminum alloy foil, proportion of total area of a {111} plane in total area of crystal planes of face-centered cubic structure, obtained by performing crystal analysis using EBSD method, is 10% or more; and with respect to cross section, a number average grain diameter R (μm) of crystals in face-centered cubic structure, obtained by performing crystal analysis using EBSD method, satisfies following equation: number average grain diameter R≤0.056X+2.0, where X=thickness (μm) of aluminum alloy foil.

公开(公告)号：US11799156B2

公开(公告)日：2023-10-24

申请号：US17162667

申请日：2021-01-29

申请人： TOYO KOHAN CO., LTD.

发明人： Kota Sadaki ,  Koh Yoshioka

IPC分类号： H01M50/124 ,  C25D7/00 ,  C25D5/48 ,  C23C10/20 ,  C23C10/30 ,  C23C10/02 ,  C23C10/18 ,  C23C10/28 ,  C23C28/00 ,  B32B15/01 ,  C23C28/02 ,  B32B15/04 ,  C23C10/08 ,  C23C30/00 ,  B32B15/18 ,  C23C10/60 ,  H01M50/107 ,  H01M50/213 ,  C25D7/06 ,  H01M50/119 ,  H01M50/133 ,  H01M50/134 ,  H01M50/145 ,  C25D5/50 ,  C25D3/12 ,  H01M50/131

CPC分类号： H01M50/124 ,  B32B15/013 ,  B32B15/015 ,  B32B15/04 ,  B32B15/043 ,  B32B15/18 ,  C23C10/02 ,  C23C10/08 ,  C23C10/18 ,  C23C10/20 ,  C23C10/28 ,  C23C10/30 ,  C23C10/60 ,  C23C28/02 ,  C23C28/021 ,  C23C28/023 ,  C23C30/00 ,  C23C30/005 ,  C25D3/12 ,  C25D5/48 ,  C25D5/50 ,  C25D7/00 ,  C25D7/0614 ,  H01M50/107 ,  H01M50/119 ,  H01M50/1245 ,  H01M50/133 ,  H01M50/134 ,  H01M50/145 ,  H01M50/213 ,  B32B2250/03 ,  B32B2311/22 ,  B32B2311/30 ,  B32B2439/00 ,  H01M50/1243 ,  H01M50/131 ,  Y02E60/10 ,  Y10T428/12937 ,  Y10T428/12944 ,  Y10T428/12951 ,  Y10T428/12958 ,  Y10T428/12965 ,  Y10T428/12972 ,  Y10T428/12979 ,  Y10T428/12993 ,  Y10T428/2495 ,  Y10T428/24942 ,  Y10T428/24967 ,  Y10T428/24975 ,  Y10T428/263 ,  Y10T428/264 ,  Y10T428/265 ,  Y10T428/27

摘要： A surface-treated steel sheet for a battery container includes a steel sheet, an iron-nickel diffusion layer formed on the steel sheet, and a nickel layer formed on the iron-nickel diffusion layer and constituting the outermost layer. When the Fe intensity and the Ni intensity are continuously measured from the surface of the surface-treated steel sheet for a battery container along the depth direction with a high frequency glow discharge optical emission spectrometric analyzer, the thickness of the iron-nickel diffusion layer being the difference (D2−D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is 0.04 to 0.31 μm; and the total amount of the nickel contained in the iron-nickel diffusion layer and the nickel contained in the nickel layer is 10.8 to 26.7 g/m2.

公开(公告)号：US20230238620A1

公开(公告)日：2023-07-27

申请号：US17925097

申请日：2021-05-11

申请人： DAI NIPPON PRINTING CO., LTD.

发明人： Satoshi MITSUZUKA ,  Ryo FUJIWARA

IPC分类号： H01M50/145 ,  H01M50/133 ,  H01M50/124 ,  G01N23/2251

CPC分类号： H01M50/145 ,  H01M50/133 ,  H01M50/1245 ,  G01N23/2251

摘要： An exterior material for a power storage device, the exterior material being constituted by a laminate including at least a substrate layer, a barrier layer, an adhesive layer, and a thermally adhesive resin layer, in this order, wherein a corrosion-resistant film is provided at least on the surface on the adhesive layer-side of the barrier layer, and when a cross-sectional observation image is acquired using a scanning electron microscope, for the cross section in the thickness direction of the corrosion-resistant film, the corrosion-resistant film is observed in a belt shape in the cross-sectional observation image.

公开(公告)号：US20240304850A1

公开(公告)日：2024-09-12

申请号：US18661403

申请日：2024-05-10

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： KAZUYOSHI HONDA ,  AKIRA KAWASE ,  KAZUHIRO MORIOKA ,  KOICHI HIRANO ,  TSUTOMU KOSHIZUKA ,  EIICHI KOGA

IPC分类号： H01M10/04 ,  H01M50/105 ,  H01M50/145 ,  H01M50/178 ,  H01M50/24 ,  H01M50/509 ,  H01M50/593

CPC分类号： H01M10/0431 ,  H01M50/105 ,  H01M50/145 ,  H01M50/178 ,  H01M50/24 ,  H01M50/509 ,  H01M50/593

摘要： A battery of the present disclosure includes a power generation element. Each of the plurality of unit cells includes an electrode layer, a counter electrode layer, and a solid electrolyte layer arranged between the electrode layer and the counter electrode layer. The power generation element includes a first principal, a second principal opposite to the first principal, and a side surface connecting the first principal and the second principal. The side surface includes: a first inclined surface that connects to the first principal and forms an obtuse angle with the first principal; and a second inclined surface that connects to the second principal and forms an obtuse angle with the second principal. At least one of the first inclined surface and the second inclined surface is provided across two or more of the plurality of unit cells.

公开(公告)号：US20230420772A1

公开(公告)日：2023-12-28

申请号：US17975531

申请日：2022-10-27

申请人： CALB Co., Ltd.

发明人： Jiuling Xu ,  Yongjie Zhang ,  Lulu Zhang

IPC分类号： H01M50/119 ,  H01M50/145 ,  H01M50/159

CPC分类号： H01M50/119 ,  H01M50/145 ,  H01M50/159

摘要： A battery includes a first casing. The first casing includes a first metal piece and a second metal piece disposed inside the first metal piece, such that the first metal piece forms an outer surface of the first casing and the second metal piece forms an inner surface of the first casing. A material of the first metal piece is inconsistent with a material of the second metal piece. A corrosion potential of the second metal piece is higher than a corrosion potential of the first metal piece, and the corrosion potential of the second metal piece is higher than a negative electrode potential of the battery.