-
公开(公告)号：US20230275292A1
公开(公告)日：2023-08-31
申请号：US18031326
申请日：2021-10-04
IPC分类号： H01M50/119 , H01M50/124 , H01M50/159 , H01M50/169 , H01M50/133
CPC分类号： H01M50/119 , H01M50/124 , H01M50/133 , H01M50/159 , H01M50/169
摘要： A novel battery container that can be obtained by welding plated steel sheets, has sufficient sealing ability over a long period of time, and is able to keep the base material of the plated steel sheets from being exposed and eluting into the electrolyte solution is provided. That is, a battery case comprised of a container body and a container lid, wherein the container body and the container lid are each comprised of a plated steel sheet, a joint part between the container and the container lid is comprised of a plating welded part containing a main constituent component of the plating of the plated steel sheet in 60 mass% or more and a steel sheet welded part containing the main constituent component of the plating in less than 60 mass%, and the plating welded part has a length of 0.5 µm or more and less than 1.0 mm in a joint longitudinal direction.
-
公开(公告)号：US20220213609A1
公开(公告)日：2022-07-07
申请号：US17611848
申请日：2020-05-29
摘要： The present invention relates to a hot stamped body comprising a steel sheet and a plating layer formed on at least one surface of the steel sheet, wherein the plating layer is comprised of a ZnO region present on a surface side of the plating layer and having an oxygen concentration of 10 mass % or more and an Ni—Fe—Zn alloy region present on a steel sheet side of the plating layer and having an oxygen concentration of less than 10 mass %, and an average concentration of a total of Fe, Mn and Si in the ZnO region is 5 mass % or more and 30 mass % or less.
-
公开(公告)号：US20230082468A1
公开(公告)日：2023-03-16
申请号：US17798246
申请日：2020-12-16
摘要： According to one aspect of the present invention, there is provided a T-joint including a first steel sheet, a second steel sheet, and a fillet welded part, in which the sheet thickness of the second steel sheet is 6.0 mm or less, the second steel sheet is stood on a first surface of the first steel sheet, the fillet welded part joins the first surface of the first steel sheet and a first surface of the second steel sheet to each other, at least one of the first surface of the first steel sheet or the first surface of the second steel sheet includes a zinc-based plating, an abutting end portion of the second steel sheet on a second surface side of the second steel sheet has an inclined surface, and in a cross section taken along a sheet thickness direction of the first steel sheet and a sheet thickness direction of the second steel sheet, the inclined surface forms an acute angle with respect to the first surface of the first steel sheet.
-
公开(公告)号：US20230078655A1
公开(公告)日：2023-03-16
申请号：US17801963
申请日：2021-05-13
IPC分类号： C21D9/46 , B21D22/02 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/00 , C22C38/60 , C25D3/44 , C25D3/12 , C23C28/00 , C22C21/02
摘要： This steel sheet for hot stamping includes a base material, an Al—Si alloy plating layer in which the Al content is 75 mass % or more, the Si content is 3 mass % or more and the total of the Al content and the Si content is 95 mass % or more, an Al oxide coating having a thickness of 0 to 20 nm and a Ni plating layer in which the Ni content is more than 90 mass % in this order, the base material has a predetermined chemical composition, the Al—Si alloy plating layer has a thickness of 7 to 148 μm, and the Ni plating layer has a thickness of more than 200 nm and 2500 nm or less.
-
公开(公告)号：US20230182190A1
公开(公告)日：2023-06-15
申请号：US17910749
申请日：2021-05-13
CPC分类号： B21D22/022 , C22C38/06 , C22C38/04 , C22C38/02
摘要： This hot stamping member is a hot stamping member including a base material and a plating layer provided on the base material, in which the plating layer has a Ni-rich region, an Al-rich region and an Fe-rich region in this order from a surface of the plating layer, in a region from the surface of the plating layer to a 100 nm position in the thickness direction from the surface of the plating layer, Ni and Fe satisfy predetermined contents, in a region from the 100 nm position in the thickness direction from the surface of the plating layer to a 500 nm position in the thickness direction from the surface of the plating layer, Ni and Fe satisfy predetermined contents, and, in a region from the 500 nm position in the thickness direction from the surface of the plating layer to a 1000 nm position in the thickness direction from the surface of the plating layer, Ni and Fe satisfy predetermined contents.
-
公开(公告)号：US20230093517A1
公开(公告)日：2023-03-23
申请号：US17802569
申请日：2021-05-13
IPC分类号： B32B15/01 , B21D22/02 , C22C21/02 , C22C38/38 , C22C38/26 , C22C38/16 , C22C38/14 , C22C38/08 , C22C38/06 , C22C38/02 , C22C38/00
摘要： This steel sheet for hot stamping includes a base material, an Al-Si alloy plating layer in which the Al content is 75 mass% or more, the Si content is 3 mass% or more and the total of the Al content and the Si content is 95 mass% or more and a Ni plating layer in which the Ni content is more than 90 mass% in this order, the chemical composition of the base material is, by mass%, C: 0.01% or more and less than 0.70%, Si: 0.005% to 1.000%, Mn: 0.40% to 3.00%, Nb: 0.010% to 0.200%, a solid solution of Nb: 0.010% to 0.150%, sol. A1: 0.00020% to 0.50000%, P: 0.100% or less, S: 0.1000% or less, N: 0.0100% or less, Cu: 0% to 1.00%, Ni: 0% to 1.00%, V: 0% to 1.00%, Ti: 0% to 0.150%, Mo: 0% to 1.000%, Cr: 0% to 1.000%, B: 0% to 0.0100%, Ca: 0% to 0.010%. REM: 0% to 0.300%, and a remainder: Fe and an impurity, the Al-Si alloy plating layer has a thickness of 7 to 148 µm, and the Ni plating layer has a thickness of more than 200 nm and 2500 nm or less.
-
公开(公告)号：US20220213607A1
公开(公告)日：2022-07-07
申请号：US17606974
申请日：2020-05-29
摘要： The present invention relates to a hot stamped body comprising a steel sheet and a plating layer formed on at least one surface of the steel sheet, wherein the plating layer is comprised of a. ZnO region present on a surface side of the plating layer and having an oxygen concentration of 10 mass % or more and an Ni—Fe—Zn alloy region present on a steel sheet side of the plating layer and having an oxygen concentration of less than 10 mass %, and an average concentration of a total of Fe, Mn and Si in the ZnO region is more than 0 mass % and less than 5 mass %.
-
公开(公告)号：US20220250177A1
公开(公告)日：2022-08-11
申请号：US17438056
申请日：2020-01-09
摘要： There is provided a cutting method for cutting a workpiece using a cutting tool comprising a die and a punch, including: arranging the workpiece between the die and the punch, and in a state in which a wedge-shaped first cutting part of the die and a wedge-shaped second cutting part of the punch are opposed, pushing the punch relatively to the die side to cut the workpiece; wherein: a front end angle θ1 of the first cutting part and a front end angle θ2 of the second cutting part are each 100 or more and 1200 or less, and a front end radius R1 of the first cutting part and a front end radius R2 of the second cutting part are each 0.5% or more and 35.0% or less of a sheet thickness.
-
公开(公告)号：US20220216548A1
公开(公告)日：2022-07-07
申请号：US17608418
申请日：2020-06-10
发明人： Akinobu KOBAYASHI , Koichi NOSE , Yasuto GOTO , Takehiro TAKAHASHI , Tatsuo NAGATA , Masaharu IBARAGI
IPC分类号： H01M50/124 , H01M50/103 , H01M50/169 , H01M50/164 , H01M50/15
摘要： A battery case and method of production of the same realizing smaller size, higher mountability, longer service life, and lower cost than in the past, that is, a battery case comprising a container body and a container cover, in which battery case, one or both of the container body and the container cover are made from a laminated steel sheet comprised of a plated steel sheet on which a film having a polyolefin-based resin as a main constituent is laminated, a joined part of the container body and the container cover has a welded part of the plated steel sheet, a melt bonded part of the film, and a gap part between the welded part and the melt bonded part, where a length of gap part/thickness of plated steel sheet ≤10.0 and a length of gap part/length of joined part
-
公开(公告)号：US20230231250A1
公开(公告)日：2023-07-20
申请号：US18020407
申请日：2021-09-07
IPC分类号： H01M50/204 , H01M10/613 , H01M50/103 , H01M50/15
CPC分类号： H01M50/204 , H01M10/613 , H01M50/103 , H01M50/15
摘要： A cell case of a secondary battery comprised of a can body to which a can bottom is double seamed, in which cell case, it is possible to solve the problem of the drop in cooling efficiency due to the presence of a double seam when cooling such a cell case by a cooling device or using a cooling sheet, and a battery module having a plurality of such cell cases are provided. That is, a cell case of a secondary battery having a rectangular tube-shaped can body, a can bottom double seamed to a bottom end of the can body, and a can lid double seamed to a top end of the can body, in which cell case of a secondary battery, an area ratio 51 of part of the can bottom, comprised of a portion 1 between a plane vertical to the can body a distance of 0.5 mm above a bottom end of a double seam of the can body and the can bottom and a plane vertical to the can body a distance of 1.0 mm below the bottom end of the double seam, with respect to a cross-sectional area of the can body at the bottom end of the double seam is 50% or more, and a battery module having a plurality of such cell cases are provided.
-
-
-
-
-
-
-
-
-
搜索结果
11 条记录 (耗时 0.015 秒)
