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公开(公告)号：US10950916B2
公开(公告)日：2021-03-16
申请号：US16148355
申请日：2018-10-01
发明人： Tomotaka Hagino , Yuta Nemoto , Tomohiro Ono , Yoichi Naruse
IPC分类号： H01M2/30 , H01M50/543 , H01M10/058 , H01M10/0525 , H01M50/116 , H01M50/183 , H01M50/528 , H01M50/545
摘要： A battery manufacturing method includes assembling an internal terminal, a gasket, a battery case component, an insulator, and an external terminal into a state where a cylindrical part of the gasket is fitted in a mounting hole of the battery case component, a projecting part of the internal terminal is fitted in the cylindrical part of the gasket, the insulator is disposed on an outer surface of the battery case component with the projecting part fitted in a through-hole, and the external terminal is disposed on top of the insulator so as to lie on the projecting part. The external terminal is pressed against the projecting part of the internal terminal, and the external terminal or the internal terminal is vibrated to thereby weld together the projecting part and the external terminal in a solid state.
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公开(公告)号：US10446804B2
公开(公告)日：2019-10-15
申请号：US15685700
申请日：2017-08-24
发明人： Tomohiro Ono , Yuta Nemoto , Kazuyuki Kusama , Rika Shimazaki , Toshinori Okura , Naoto Kagami , Youichi Naruse , Masao Takano , Kaito Matsubara
摘要： A region of a hole-inner circumferential surface composing a portion defining a terminal through-hole, the region being located on the battery case cover side, include a tapered surface gradually enlarged in diameter as extending toward the battery case cover side and opening toward the battery case cover side; when riveting is carried out, a region of a shaft portion, the region being located inward of the tapered surface, is enlarged in diameter so as to form an annular projecting portion in contact with the tapered surface; and a hole circumferential portion located around the portion defining the terminal through-hole is held between the external enlarged-diameter portion and the annular projecting portion so as to fix a first terminal member to a second terminal member.
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公开(公告)号：US10461355B2
公开(公告)日：2019-10-29
申请号：US15791965
申请日：2017-10-24
发明人： Toshinori Okura , Tomohiro Ono , Yuta Nemoto
IPC分类号： H01M10/04 , H01M2/06 , H01M10/0525
摘要： An assembly device for a battery component proposed herein includes at least one of members that are a positioning pin and a chuck. There is at least one exhaust passage inside the at least one of the members that are the positioning pin and the chuck. An outer peripheral surface of the at least one of the members that are the positioning pin and the chuck has at least one dust-collecting port to which the at least one exhaust passage opens. The at least one exhaust passage is connected to a suction machine.
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公开(公告)号：US20190074502A1
公开(公告)日：2019-03-07
申请号：US16106837
申请日：2018-08-21
发明人： Tomohiro Ono , Yuta Nemoto
CPC分类号： H01M2/345 , H01M2/08 , H01M2/1094 , H01M2/1241 , H01M4/0419 , H01M2200/00 , H01M2200/10 , H01M2220/20
摘要： A sealed battery includes a battery outer case, a collector terminal, an outwardly exposed terminal, and a current shut-off mechanism configured to cut off a conductive path from the collector terminal to the outwardly exposed terminal when the internal pressure of the battery outer case exceeds a predetermined pressure. The current shut-off mechanism includes a connection plate with a vent hole, and a shut-off valve including a reversing portion. A joint region in the connection plate is in contact with a surface, of the reversing portion, that faces the inner side of the battery outer case. A thermal-spray joint portion configured to cover a border between the joint region and the reversing portion is provided, such that the shut-off valve is joined to the connection plate via the thermal-spray joint portion.
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公开(公告)号：US10381631B2
公开(公告)日：2019-08-13
申请号：US15814753
申请日：2017-11-16
发明人： Naoto Kagami , Tomohiro Ono , Tomotaka Hagino , Yoichi Naruse , Yuta Nemoto , Toshinori Okura , Kaito Matsubara
摘要： A sealed-type battery includes an exterior body, a collector terminal, a hollow rivet defining a hollow section, and a reverse plate arranged between the collector terminal and the hollow rivet. The collector terminal includes: a projected section projected; a peripheral edge section provided; and a notch section provided in the peripheral edge section in a manner to surround the projected section and formed in a manner to reduce thickness of the collector terminal. In a projected direction of the projected section, the projected section is thicker than the peripheral edge section. A fitting section, to which the projected section is fitted, is provided in the reverse plate. The sealed-type battery includes a welded section that has a top surface opposing the hollow rivet and that joins the collector terminal and the reverse plate at a position between the projected section and the fitting section.
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公开(公告)号：US10468725B2
公开(公告)日：2019-11-05
申请号：US15723345
申请日：2017-10-03
发明人： Tomohiro Ono
IPC分类号： H01M2/30 , H01M2/34 , H01M10/0525 , H01M10/0587 , H01M10/052 , H01M2/26
摘要： In the method for manufacturing a cell according to the present invention, the cell has a cell case, an external terminal, a relay member, and a pressure-type current interrupting mechanism, the method including fixing the relay member and the external terminal to the cell case by caulking the relay member to the external terminal by means of a caulking process. A tubular reinforcing member that is configured with a material harder than that of the relay member is attached to an inner circumferential surface of the tubular shaft portion of the relay member prior to the caulking process, and the caulking process is performed, with the reinforcing member being attached to the inner circumferential surface of the relay member.
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公开(公告)号：US11171352B2
公开(公告)日：2021-11-09
申请号：US16536776
申请日：2019-08-09
发明人： Toshinori Okura , Tomohiro Ono , Yuta Nemoto
IPC分类号： H01M10/04 , H01M50/172 , H01M10/0525
摘要： An assembly device for a battery component proposed herein includes at least one of members that are a positioning pin and a chuck, and a suction machine. There is at least one exhaust passage inside the at least one of the members that are the positioning pin and the chuck. An outer peripheral surface of the at least one of the members that are the positioning pin and the chuck has at least one dust-collecting port to which the at least one exhaust passage opens. The at least one exhaust passage is connected to the suction machine.
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公开(公告)号：US11081759B2
公开(公告)日：2021-08-03
申请号：US15685511
申请日：2017-08-24
发明人： Tomohiro Ono , Yuta Nemoto
IPC分类号： H01M50/308 , H01G11/82 , H01G11/80 , H01G11/18 , H01M50/342 , H01M50/383 , H01M10/0525 , H01M10/52 , H01M10/058 , H01M50/10
摘要： The present invention provides a secondary battery 1 including: a battery case 10 having a safety valve 13; an electrode body 40; an electrolyte; and a cover member 41 arranged between the safety valve 13 and the electrode body 40 so as to be separated from the safety valve 13. The electrode body 40 is housed in the battery case 10 so that a lamination surface opposes the safety valve 13. The cover member 41 is configured to cover a portion of the battery case 10 in which the safety valve 13 is formed in a state where the cover member 41 holds the lamination surface of the electrode body 40.
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公开(公告)号：US10483521B2
公开(公告)日：2019-11-19
申请号：US16106837
申请日：2018-08-21
发明人： Tomohiro Ono , Yuta Nemoto
摘要： A sealed battery includes a battery outer case, a collector terminal, an outwardly exposed terminal, and a current shut-off mechanism configured to cut off a conductive path from the collector terminal to the outwardly exposed terminal when the internal pressure of the battery outer case exceeds a predetermined pressure. The current shut-off mechanism includes a connection plate with a vent hole, and a shut-off valve including a reversing portion. A joint region in the connection plate is in contact with a surface, of the reversing portion, that faces the inner side of the battery outer case. A thermal-spray joint portion configured to cover a border between the joint region and the reversing portion is provided, such that the shut-off valve is joined to the connection plate via the thermal-spray joint portion.
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公开(公告)号：US10283738B2
公开(公告)日：2019-05-07
申请号：US15681515
申请日：2017-08-21
发明人： Yuta Nemoto , Tomohiro Ono
摘要： A secondary battery according to an embodiment of the present disclosure includes an external terminal electrically connecting a charge collector disposed inside a battery case with a terminal, a first part electrically connected to the charge collector, a second part electrically connected to the terminal, a first connection part electrically connecting the first part with the second part, and a second connection part electrically connecting the first part with the second part, the second connection part being different from the first connection part. The first connection part is ruptured when a displacement of the displacement part toward the outside of the battery case is transferred to the first connection part, and the second connection part becomes nonconductive when a temperature of the second connection part reaches a predefined temperature.
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