公开(公告)号：US20240332679A1

公开(公告)日：2024-10-03

申请号：US18742512

申请日：2024-06-13

申请人： Martin Christoph Lentz ,  Mathis Ruppert

发明人： Martin Christoph Lentz ,  Mathis Ruppert

IPC分类号： H01M50/119 ,  H01M50/107 ,  H01M50/133 ,  H01M50/134 ,  H01M50/152

CPC分类号： H01M50/119 ,  H01M50/107 ,  H01M50/133 ,  H01M50/134 ,  H01M50/152

摘要： A battery cell housing of a round battery cell includes a cylindrical housing shell with an outer diameter of more than 15 mm, preferably more than 20 mm, particularly preferably more than 22 mm, and to the use of an aluminium alloy for manufacturing a battery cell housing. The object of providing a high-strength battery cell housing of a round battery cell, having a cylindrical housing shell with a diameter of more than 15 mm, preferably more than 20 mm, in particular more than 22 mm, which allows improved properties regarding heat management and weight of the round battery cell without excessively limiting the capacity of the round battery cell, is achieved in that the housing shell consists at least partially of an aluminium alloy, and the yield strength Rp0.2 of the housing shell is at least 183 MPa, preferably at least 220 MPa, particularly preferably at least 250 MPa.

公开(公告)号：US20230387515A1

公开(公告)日：2023-11-30

申请号：US18030791

申请日：2021-08-19

申请人： Bayerische Motoren Werke Aktiengesellschaft

发明人： Sonia DANDL ,  Franz FUCHS ,  Simon LUX ,  Sebastian SCHARNER

IPC分类号： H01M50/121 ,  H01M10/0525 ,  H01M50/133 ,  H01M50/124 ,  H01M50/103 ,  H01M50/134

CPC分类号： H01M50/121 ,  H01M10/0525 ,  H01M50/133 ,  H01M50/124 ,  H01M50/103 ,  H01M50/134 ,  H01M2220/20

摘要： A battery cell has a plurality of electrode units in a common battery cell housing. Each of the electrode units includes a protective film having an inner layer and an outer layer, where the inner layer is arranged on the electrode unit and the outer layer is arranged on the inner layer. The outer layer has a higher melting point than the inner layer.

公开(公告)号：US20240204307A1

公开(公告)日：2024-06-20

申请号：US18285351

申请日：2022-03-28

申请人： DAI NIPPON PRINTING CO., LTD.

发明人： Ken MURASAWA

IPC分类号： H01M50/129 ,  H01M50/121 ,  H01M50/133 ,  H01M50/134

CPC分类号： H01M50/129 ,  H01M50/121 ,  H01M50/133 ,  H01M50/134

摘要： An exterior material for a power storage device, the exterior material being configured from a layered body that includes at least a substrate layer, a barrier layer, and a thermally fusible resin layer in this order, wherein in the thermally fusible resin layer, the molecular weight that is the peak value in a differential molecular weight distribution curve measured using high-temperature gel permeation chromatography is 150,000 or greater.

公开(公告)号：US20230395905A1

公开(公告)日：2023-12-07

申请号：US18451252

申请日：2023-08-17

申请人： ZHUHAI COSMX BATTERY CO., LTD.

发明人： Donghui SHENG ,  Yingjie ZHANG ,  Ning PENG

IPC分类号： H01M50/105 ,  H01M50/128 ,  H01M50/134

CPC分类号： H01M50/105 ,  H01M50/128 ,  H01M50/134 ,  H01M10/052

摘要： Disclosed is a battery, including a battery cell body and a packaging housing. The packaging housing has an edge banding and a cavity, and the edge banding has a cross section. The edge banding extends upwards along a side surface of the battery cell body, a side surface, close to the battery cell body, of the edge banding is an inner side surface, and a side surface, away from the battery cell body, of the edge banding is an outer side surface. The cross section is provided with a first bonding body, and the first bonding body wraps the cross section, a part of the inner side surface and a part of the outer side surface of the edge banding. A lower edge of the first bonding body on the inner side surface is higher than a lower edge of the first bonding body on the outer side surface.

公开(公告)号：US11699824B2

公开(公告)日：2023-07-11

申请号：US17018675

申请日：2020-09-11

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 ,  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： The present invention provides a nickel-plated heat-treated steel sheet for a battery can (1), having a nickel layer with a nickel amount of 4.4 to 26.7 g/m2 on a steel sheet (11), wherein when the Fe intensity and the Ni intensity are continuously measured along the depth direction from the surface of the nickel-plated heat-treated steel sheet for a battery can, by using a high frequency glow discharge optical emission spectrometric analyzer, 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 less than 0.04 μm.

公开(公告)号：US20240128550A1

公开(公告)日：2024-04-18

申请号：US18277483

申请日：2021-11-22

申请人： EVE ENERGY CO., LTD

发明人： Liangliang LIU ,  Yuan ZHU ,  Rongjiang LIU

IPC分类号： H01M50/103 ,  H01M10/0525 ,  H01M50/133 ,  H01M50/134 ,  H01M50/169

CPC分类号： H01M50/103 ,  H01M10/0525 ,  H01M50/133 ,  H01M50/134 ,  H01M50/169

摘要： The present application discloses a battery casing and a lithium battery. The battery casing comprises a casing, a housing bottom, and a housing cover, wherein the housing is a cylindrical structure which has openings at two ends, the housing is formed by bending and welding plates, the plates are provided with first side edges and second side edges which are welded and connected, and the first side edges and second side edges are provided with a positioning structure. The housing bottom is welded to a first end of the housing, and the housing bottom is configured to seal the first end of the housing. The housing cover is welded to a second end of the housing, and the housing cover is configured to seal the second end of the housing distant from the housing bottom.

公开(公告)号：US20240047790A1

公开(公告)日：2024-02-08

申请号：US18242814

申请日：2023-09-06

申请人： TOYO KOHAN CO., LTD.

发明人： Kengo ASADA ,  Masao SUDA ,  Kota SADAKI ,  Hideyuki MINAGI

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, including 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, wherein 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 between the depth at which the Fe intensity exhibits a first predetermined value and the depth 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 4.4 g/m2 or more and less than 10.8 g/m2.

公开(公告)号：US11824212B2

公开(公告)日：2023-11-21

申请号：US17512022

申请日：2021-10-27

申请人： TOYO KOHAN CO., LTD.

发明人： Kengo Asada ,  Masao Suda ,  Kota Sadaki ,  Hideyuki Minagi

IPC分类号： B32B15/04 ,  B32B15/18 ,  B32B15/01 ,  C23C28/02 ,  C23C10/20 ,  C23C10/30 ,  C23C10/02 ,  C23C10/18 ,  C23C10/28 ,  C23C10/08 ,  C23C10/60 ,  C23C30/00 ,  C25D3/12 ,  C25D7/00 ,  C25D7/06 ,  C25D5/48 ,  C25D5/50 ,  H01M50/124 ,  H01M50/10 ,  H01M50/107 ,  H01M50/116 ,  H01M50/213 ,  H01M50/119 ,  H01M50/133 ,  H01M50/134 ,  H01M50/145 ,  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, including 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, wherein 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 between the depth at which the Fe intensity exhibits a first predetermined value and the depth 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 4.4 g/m2 or more and less than 10.8 g/m2.

公开(公告)号：US20240243398A1

公开(公告)日：2024-07-18

申请号：US18002858

申请日：2022-10-17

申请人： EVE POWER CO., LTD.

发明人： Shangyi Li ,  Liangliang YUE ,  Zhiming WANG

IPC分类号： H01M50/164 ,  H01M50/134 ,  H01M50/152 ,  H01M50/159 ,  H01M50/16 ,  H01M50/169 ,  H01M50/179 ,  H01M50/186

CPC分类号： H01M50/164 ,  H01M50/134 ,  H01M50/152 ,  H01M50/159 ,  H01M50/16 ,  H01M50/169 ,  H01M50/179 ,  H01M50/186

摘要： The present application provides a top cap assembly and a battery structure. The battery includes a housing including a mounting hole, and the top cap assembly passes through the mounting hole of the housing. The top cap assembly includes a pole, a sealing element, and a plastic element. The pole is provided with an annular groove recessed in a radial direction. The sealing element is sleeved on the pole and positioned in the annular groove. The sealing element is sandwiched between the housing and a groove wall of the annular groove, and the sealing element is partially positioned outside the housing. The plastic element is sleeved on the sealing element and positioned outside the housing, and the plastic element is partially sandwiched between the housing and the groove wall of the annular groove.

公开(公告)号：US20240145822A1

公开(公告)日：2024-05-02

申请号：US18386800

申请日：2023-11-03

申请人： Youlchon Chemical Co., Ltd.

发明人： Nok Jung Song ,  Hee Sik Han ,  Han Chul Park ,  Ji Min Lee ,  Geon Ryong Kim

IPC分类号： H01M50/105 ,  H01M50/121 ,  H01M50/133 ,  H01M50/134 ,  H01M50/136

CPC分类号： H01M50/105 ,  H01M50/121 ,  H01M50/133 ,  H01M50/134 ,  H01M50/136 ,  H01M2220/20

摘要： Disclosed is a secondary battery pouch film, including an outer layer, a metal layer, and a sealant layer, wherein the sealant layer includes a cast polypropylene (CPP) layer and an extruded polypropylene (PP) layer, and the secondary battery pouch film satisfies the [Equation 1] where A+B