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公开(公告)号：US20230246315A1
公开(公告)日：2023-08-03
申请号：US17587126
申请日：2022-01-28
Applicant: GM Global Technology Operations LLC
Inventor： Wayne Cai , Teresa Jean Rinker , Jennifer Therese Bracey , Shunyi Zhang
IPC: H01M50/566 , B23K11/00
CPC classification number: H01M50/566 , B23K11/0026 , B23K2101/36
Abstract: Disclosed herein is a device for magnetic welding of battery boils comprising a coil holder; where the coil holder comprises one or more electrical coils that are operative to be activated by an electrical current; a foil holding fixture; wherein the foil holding fixture comprises a plurality of arms; wherein each pair of adjacent arms is operative to move towards one another to crimp a plurality of battery foils; and an anvil; wherein the anvil is operative to support a battery tab and the battery foils.
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公开(公告)号：US20230056400A1
公开(公告)日：2023-02-23
申请号：US17405433
申请日：2021-08-18
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Debejyo Chakraborty , Miguel Arturo Saez , John Patrick Spicer , Pei-chung Wang , Spyros P. Mellas , Wayne Cai , James M. Ward
Abstract: Systems, methods, and apparatuses of a welding system are disclosed and include a first stage of a scanning device for scanning weld parts to generate a three-dimensional (3D) profile of a weld target wherein the 3D profile captures matching imperfections of a meeting together of the set of weld parts when performing the weld operation; and the second stage of a monitoring device to monitor the weld operation and to generate a data of high-resolution measurements of the weld operation; wherein the first stage further includes the monitoring device determining a weld schedule based on the 3D profile, and to adjust the weld schedule while the weld operation progresses to adapt to predicted distortion based on the 3D profile and to sensed distortion; wherein the second stage further includes a plurality of sensors to sense a set of components associated with the weld operation to generate high-resolution data of measurements.
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公开(公告)号：US20210237211A1
公开(公告)日：2021-08-05
申请号：US16778885
申请日：2020-01-31
Applicant: GM Global Technology Operations LLC
Inventor： Miguel A. Saez , John P. Spicer , Spyros P. Mellas , Richard J. Skurkis , Pei-chung Wang , James W. Wells , Wayne Cai , Dooil Hwang
IPC: B23K37/04 , G05B19/402
Abstract: A clamp system and method for measurement and control of welding a first substrate to a second substrate is provided. The system comprises a squeeze clamp having to a first end and a second end. The system further comprises a motor connected to the squeeze clamp such that the first and second ends are movable to clamp the first substrate to the second substrate. The system further comprises at least one of an electromagnetic flux sensor, a current sensor, a position sensor, and a gap sensor disposed on one of the first and second ends for determining a first measured variable between the first and second substrates. The system further comprises a controller to control the motor to clamp the first substrate to the second substrate based on the first measured variable. The controller is in communication with the electromagnetic flux sensor, the current sensor, and the gap sensor.
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公开(公告)号：US10919112B2
公开(公告)日：2021-02-16
申请号：US15967079
申请日：2018-04-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Fang Dai , Hongliang Wang , Wayne Cai , Mei Cai
IPC: B23K26/21 , H01M10/052 , H01M4/04 , H01M4/1395 , H01M4/38 , H01M4/02 , B23K101/36
Abstract: A negative electrode for an electrochemical cell of a lithium metal battery may be manufactured by joining together a metallic current collector piece and a lithium metal piece. The metallic current collector piece may be positioned adjacent the lithium metal piece in an at least partially lapped configuration at a weld site. A laser beam may be directed at an upper surface of the metallic current collector piece at the weld site to melt a portion of the lithium metal piece adjacent the metallic current collector piece and produce a lithium metal molten weld pool. The second laser beam may be terminated to solidify the lithium metal molten weld pool into a solid weld joint that physically bonds the lithium metal piece and the metallic current collector piece together at the weld site.
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公开(公告)号：US20190329353A1
公开(公告)日：2019-10-31
申请号：US15967079
申请日：2018-04-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Fang Dai , Hongliang Wang , Wayne Cai , Mei Cai
IPC: B23K26/21 , H01M10/052 , H01M4/38 , H01M4/1395 , H01M4/04
Abstract: A negative electrode for an electrochemical cell of a lithium metal battery may be manufactured by joining together a metallic current collector piece and a lithium metal piece. The metallic current collector piece may be positioned adjacent the lithium metal piece in an at least partially lapped configuration at a weld site. A laser beam may be directed at an upper surface of the metallic current collector piece at the weld site to melt a portion of the lithium metal piece adjacent the metallic current collector piece and produce a lithium metal molten weld pool. The second laser beam may be terminated to solidify the lithium metal molten weld pool into a solid weld joint that physically bonds the lithium metal piece and the metallic current collector piece together at the weld site.
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Patent Agency Ranking
公开(公告)号：US20190312255A1
公开(公告)日：2019-10-10
申请号：US15949609
申请日：2018-04-10
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Fang Dai , Hongliang Wang , Wayne Cai , Mei Cai , Michael P. Balogh
IPC: H01M4/04 , H01M4/66 , H01M4/38 , H01M4/134 , H01M4/1395 , H01M10/052 , B23K26/22 , B23K26/354
Abstract: A negative electrode for an electrochemical cell of a lithium metal battery may be manufactured by welding together a lithium metal layer and a metallic current collector layer. The lithium metal layer and the current collector layer may be arranged adjacent one another and in an at least partially lapped configuration such that faying surfaces of the layers confront one another and establish a faying interface therebetween at a weld site. A laser beam may be directed at an outer surface of the current collector layer at the weld site to melt a portion of the lithium metal layer adjacent the faying surface of the current collector layer and produce a lithium metal molten weld pool. The laser beam may be terminated to solidify the molten weld pool into a solid weld joint that physically bonds the lithium metal layer and the current collector layer together at the weld site.
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公开(公告)号：US11554417B2
公开(公告)日：2023-01-17
申请号：US16681321
申请日：2019-11-12
Applicant: GM Global Technology Operations LLC
Inventor： Zhongyi Liu , Bin Hu , Xiaosong Huang , Wayne Cai
Abstract: A multistage centrifugal atomizer comprises an outer shell that contains an inlet port and an outlet port and that encloses a tundish, a first inclined rotating surface and a second inclined rotating surface. The first inclined rotating surface is opposedly disposed to the second inclined rotating surface. The inlet is used to introduce a molten material into the multistage atomizer and the outlet is used to remove ultrafine particles having a D50 of less than 20 micrometers.
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公开(公告)号：US11288424B2
公开(公告)日：2022-03-29
申请号：US16451513
申请日：2019-06-25
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC , UT-Battelle, LLC
Inventor： Jian Chen , Hui Huang , Zhili Feng , Blair Carlson , Hui-Ping Wang , Wayne Cai
Abstract: A method for accelerating an explicit finite element analysis (FEA) simulation of a modeled system or process includes performing an initial iteration of the FEA simulation according to a baseline time interval via an FEA computing network, and calculating a criteria ratio of a predetermined set of scaling criteria for the modeled system or process. The method includes determining a time-scaling factor using the criteria ratio via the FEA computing network as a function of the criteria ratio, and then applying the time-scaling factor to the baseline time interval to generate a scaled time interval. The scaled time interval accelerates simulation time of the FEA simulation. The method includes performing a subsequent iteration of the explicit FEA simulation at the scaled time interval using the FEA computing network. The process continues for subsequent iterations, with the time-scaling factor adapting with each iteration.
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公开(公告)号：US20210138548A1
公开(公告)日：2021-05-13
申请号：US16681321
申请日：2019-11-12
Applicant: GM Global Technology Operations LLC
Inventor： Zhongyi Liu , Bin Hu , Xiaosong Huang , Wayne Cai
Abstract: A multistage centrifugal atomizer comprises an outer shell that contains an inlet port and an outlet port and that encloses a tundish, a first inclined rotating surface and a second inclined rotating surface. The first inclined rotating surface is opposedly disposed to the second inclined rotating surface. The inlet is used to introduce a molten material into the multistage atomizer and the outlet is used to remove ultrafine particles having a D50 of less than 20 micrometers.
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公开(公告)号：US10944096B2
公开(公告)日：2021-03-09
申请号：US15949609
申请日：2018-04-10
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Fang Dai , Hongliang Wang , Wayne Cai , Mei Cai , Michael P. Balogh
IPC: H01M4/62 , H01M4/72 , H01M4/74 , H01M4/82 , H01M6/00 , H01M4/04 , H01M4/66 , H01M4/38 , H01M4/134 , H01M10/052 , B23K26/22 , B23K26/354 , H01M4/1395 , H01M4/02 , B23K101/36
Abstract: A negative electrode for an electrochemical cell of a lithium metal battery may be manufactured by welding together a lithium metal layer and a metallic current collector layer. The lithium metal layer and the current collector layer may be arranged adjacent one another and in an at least partially lapped configuration such that faying surfaces of the layers confront one another and establish a faying interface therebetween at a weld site. A laser beam may be directed at an outer surface of the current collector layer at the weld site to melt a portion of the lithium metal layer adjacent the faying surface of the current collector layer and produce a lithium metal molten weld pool. The laser beam may be terminated to solidify the molten weld pool into a solid weld joint that physically bonds the lithium metal layer and the current collector layer together at the weld site.
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