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公开(公告)号：EP4354538A1
公开(公告)日：2024-04-17
申请号：EP22897348.3
申请日：2022-09-23
发明人： CHEN, Shitong , XIE, Bin , LU, Yi , FEI, Xinlu , LI, Keqiang , ZHAO, Fenggang
摘要： Provided is a pole piece forming apparatus, including an unwinding device (1), a lithium replenishment device (2), a plurality of winding devices (4) and a protection device (5). The lithium replenishment device (2) is configured to clad a lithium strip to a surface of a master pole piece body (200) and form a master pole piece (210). A slitting device (3) is configured to slit the master pole piece (210) into a plurality of pole pieces (211). The winding devices (4) are configured to pull the pole pieces (211) to travel, each of the winding devices (4) winding one corresponding pole piece (211). The slitting device (3) is disposed in an accommodating cavity (51a) of the protection device (5). The protection device (5) is configured to at least partially separate particles from an external environment in a case that the slitting device (3) slits the master pole piece (210) and generates the particles. According to the pole piece forming apparatus, the protection device (5) is provided with the accommodating cavity (51a) in which the slitting device (3) is disposed, which can reduce air content at a slitting place of the master pole piece (210), thereby reducing the risk of combustion of the particles generated by slitting, and improving safety in the production process of the pole pieces (211). Meanwhile, the risk that the pole pieces (211) are punctured can be reduced, thereby improving the work safety of the pole pieces (211) in the subsequent using process.
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公开(公告)号：EP4249139A1
公开(公告)日：2023-09-27
申请号：EP22874271.4
申请日：2022-06-10
发明人： LU, Yi , FENG, Tao , FEI, Xinlu , XIE, Bin , LI, Keqiang , ZHAO, Fenggang
摘要： This application relates to a battery handling system and a battery handling method. The battery handling system includes: a moving mechanism; an accommodating mechanism, including a first side and a second side that are opposite each other along a length direction of the accommodating mechanism; a plurality of immersion mechanisms, arranged in sequence along the length direction of the accommodating mechanism, where the plurality of immersion mechanisms are movably connected to the accommodating mechanism, and the immersion mechanism accommodates an immersion liquid; and a transfer mechanism, arranged opposite the first side of the accommodating mechanism and configured to transfer waste of a battery to the immersion mechanisms, where the waste is immersed in the immersion liquid. The accommodating mechanism is provided in plurality, and the plurality of accommodating mechanisms are arranged along a width direction of the accommodating mechanism. In adjacent two of the accommodating mechanisms, the second side of one of the accommodating mechanisms is opposite the first side of another one of the accommodating mechanisms. The moving mechanism is configured to move the immersion mechanism that is in one of the accommodating mechanisms and near the second side to the first side of another one of the accommodating mechanisms, and relocate the waste that is in the immersion mechanism. This application can improve the production safety of batteries.
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公开(公告)号：EP4120424A1
公开(公告)日：2023-01-18
申请号：EP22783418.1
申请日：2022-03-24
发明人： XU, Yongqiang , FEI, Xinlu , XIE, Bin , CHEN, Shitong , LI, Keqiang , FENG, Tao , ZHAO, Fenggang
IPC分类号： H01M10/0587 , H01M4/04
摘要： This application discloses a lithiation device for applying a lithium film on an electrode plate. The lithiation device includes: a rolling mechanism ncluding a first roller and a second roller, where the first roller and the second roller are configured to roll the electrode plate and the lithium film so as to apply the lithium film on the electrode plate; an adjustment mechanism connected to the rolling mechanism and configured to adjust a gap and/or a rolling force between the first roller and the second roller; a first monitoring mechanism configured to monitor a length of the electrode plate after the electrode plate passes through the rolling mechanism; and a controller configured to control the adjustment mechanism based on a comparison result of the length monitored by the first monitoring mechanism and a target length so that the length of the electrode plate after the electrode plate passes through the rolling mechanism approximates to the target length. The foregoing solution can avoid tab misalignment and increase yield of battery cells.
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4.发明公开
公开(公告)号：EP3933976A1
公开(公告)日：2022-01-05
申请号：EP20889495.6
申请日：2020-11-07
发明人： CHEN, Shitong , XIE, Bin , FEI, Xinlu , XU, Yongqiang , ZHANG, Yuzhe , MA, Lin
IPC分类号： H01M4/139
摘要： Embodiments of this application provide a device for supplementing an electrode plate with lithium and a method for supplementing an electrode plate with lithium. The device for supplementing an electrode plate with lithium includes a first lithium strip unwinding mechanism, an electrode plate unwinding mechanism, a roller pressing mechanism, a first traction mechanism, an electrode plate winding mechanism, and a first coating mechanism. The first lithium strip unwinding mechanism is configured to dispose a lithium strip, and the electrode plate unwinding mechanism is configured to dispose an electrode plate. The roller pressing mechanism includes a first calendering roller, a first laminating roller, and a second laminating roller. The first traction mechanism is configured to draw the lithium strip into between the first calendering roller and the first laminating roller, and the electrode plate winding mechanism is configured to wind up the electrode plate and draw the electrode plate to pass through between the first laminating roller and the second laminating roller. In a traveling direction of the lithium strip, the first coating mechanism precedes the roller pressing mechanism, and the first coating mechanism is configured to apply a coating layer on a surface of the lithium strip.
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公开(公告)号：EP4322239A1
公开(公告)日：2024-02-14
申请号：EP22848090.1
申请日：2022-06-16
发明人： CHEN, Shitong , FEI, Xinlu , XIE, Bin , XU, Yongqiang , LI, Keqiang , ZHAO, Fenggang
IPC分类号： H01M4/04
摘要： The present application relates to a prelithiation device and a prelithiation method, which belong to the technical field of battery manufacturing. The prelithiation device comprises a first roller, a second roller, a third roller, and a first coating mechanism. The second roller is used to cooperate with the first roller to jointly roll a lithium ribbon to adhere the lithium ribbon to the second roller, the lithium ribbon comprising two first surfaces opposite each other in an axial direction of the second roller; the third roller is used to cooperate with the second roller to jointly roll an electrode plate to bond the lithium ribbon adhering to the second roller to the electrode plate; and the first coating mechanism is disposed upstream of the second roller and is configured to coat the first surfaces with a release agent. The prelithiation device can reduce safety risks, such as smoking or even fire, during prelithiation to improve the safety of battery production.
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公开(公告)号：EP4239704A1
公开(公告)日：2023-09-06
申请号：EP22848086.9
申请日：2022-06-15
发明人： FEI, Xinlu , XIE, Bin , ZHAO, Fenggang , CHEN, Shitong , XU, Yongqiang , FENG, Tao , LI, Keqiang
摘要： The present application relates to a prelithiation device and a prelithiation method, which belong to the technical field of battery production equipment. The prelithiation device comprises: a bonding mechanism comprising a first roller, a second roller and a third roller, which are sequentially disposed adjacent to each other, the first roller and the second roller being used to roll the lithium ribbon, the rolled lithium ribbon adhering to the second roller, and the second roller and the third roller being used to bond the lithium ribbon adhering to the second roller to the substrate, the lithium ribbon comprising two first surfaces opposite each other in a width direction of the lithium ribbon and a second surface facing the second roller; and a coating mechanism disposed upstream of the bonding mechanism in a running direction of the lithium ribbon and configured to simultaneously coat the second surface and at least one of the first surfaces with a release agent. The prelithiation device can prevent a lithium ribbon from sticking to a roller to improve the production safety.
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