公开(公告)号：US11302996B2

公开(公告)日：2022-04-12

申请号：US16544237

申请日：2019-08-19

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Brittany A. Castillo ,  Nicholas R. Bratton ,  Robert J. Heydel ,  Igor M. Kan

IPC: H01M50/502 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6556 ,  B60K1/04 ,  B60L50/64 ,  B60L50/60 ,  H01M50/20 ,  H01M50/543 ,  B60K1/00 ,  B60K6/28

Abstract: Presented are integrated electrical interconnect board (ICB) assemblies for battery modules, rechargeable traction battery packs equipped with such ICB assemblies, and methods for making/using such ICB assemblies. A battery module for storing and supplying electrical energy includes multiple battery cells that are stacked in side-by-side facing relation with one another and each has a battery cell casing with an electrical terminal projecting therefrom. An electrically insulating module housing has a housing base that supports thereon the stacked battery cells. An integrated ICB assembly, which is attached to the module housing, includes a central cover in spaced facing relation to the housing base, endwalls projecting from the central cover, and multiple busbar connectors attached to the endwalls and electrically connected to the battery cells' electrical terminals. Each endwall has multiple elongated slots that extend from a distal edge of the endwall and slidably receives therethrough one of the electrical terminals.

公开(公告)号：US20210408514A1

公开(公告)日：2021-12-30

申请号：US16915843

申请日：2020-06-29

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Faruk A. Sohag ,  Ethan T. Quy ,  Robert J. Schoenherr ,  Nicholas R. Bratton

IPC: H01M2/20 ,  H01M2/10 ,  H01M10/48 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6554

Abstract: A battery pack includes battery cells and an interconnect board assembly (ICBA) having a dielectric ICB and parallel busbars. A cell tab protrudes from an edge of the cells and joined to the busbars. A dielectric ICB is connected to the busbars at one distal end of the busbars. The dielectric material of the ICB is overmolded onto another distal end such that the ICB wraps around the busbars to form overmolded ends. The overmolded ends are received within a pocket of a bracket to form direct parallel cooling paths to a heat sink. A method of manufacturing the battery pack includes arranging the busbars in parallel, overmolding dielectric material onto ends of the busbars to form overmolded ends, and attaching the busbars to a plastic ICB formed from the dielectric material. The ICBA is then attached to the bracket and cells.

公开(公告)号：US12021208B2

公开(公告)日：2024-06-25

申请号：US17027967

申请日：2020-09-22

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Ethan T. Quy ,  Nicholas R. Bratton ,  Harikrishna Ketha

IPC: H01M10/6554 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M10/6568 ,  H01M50/20

CPC classification number: H01M10/6554 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M10/6568 ,  H01M50/20 ,  H01M2220/20

Abstract: A battery pack module includes a cooling plate having thermal breaks strategically aligned with respect to adjacent cell chambers to reduce thermal propagation from one cell chamber to an adjacent cell chamber via thermal conductance through the cooling plate.

公开(公告)号：US11862816B2

公开(公告)日：2024-01-02

申请号：US16915843

申请日：2020-06-29

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Faruk A Sohag ,  Ethan T. Quy ,  Robert J. Schoenherr ,  Nicholas R. Bratton

IPC: H01M50/502 ,  H01M10/6554 ,  H01M10/613 ,  H01M50/20 ,  H01M10/48 ,  H01M10/625 ,  H01M10/647

CPC classification number: H01M50/502 ,  H01M10/482 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6554 ,  H01M50/20 ,  H01M2220/20

Abstract: A battery pack includes battery cells and an interconnect board assembly (ICBA) having a dielectric ICB and parallel busbars. A cell tab protrudes from an edge of the cells and joined to the busbars. A dielectric ICB is connected to the busbars at one distal end of the busbars. The dielectric material of the ICB is overmolded onto another distal end such that the ICB wraps around the busbars to form overmolded ends. The overmolded ends are received within a pocket of a bracket to form direct parallel cooling paths to a heat sink. A method of manufacturing the battery pack includes arranging the busbars in parallel, overmolding dielectric material onto ends of the busbars to form overmolded ends, and attaching the busbars to a plastic ICB formed from the dielectric material. The ICBA is then attached to the bracket and cells.

公开(公告)号：US11799149B2

公开(公告)日：2023-10-24

申请号：US17003222

申请日：2020-08-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Karl C. Dorgan ,  Anil Yadav ,  Yangbing Zeng ,  Konrad M. Brown ,  Anandakrishnan S ,  Robert J. Schoenherr ,  Nicholas R. Bratton

IPC: H01M10/6554 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6567 ,  H01M10/6556 ,  H01M50/20 ,  H01M50/502 ,  H01M50/211 ,  H01M10/617 ,  H01M50/249

CPC classification number: H01M10/6554 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M10/6567 ,  H01M50/20 ,  H01M50/502 ,  H01M10/617 ,  H01M50/211 ,  H01M50/249 ,  H01M2220/20 ,  Y02E60/10

Abstract: An energy storage assembly includes a plurality of battery cells electrically connected to each other to form a battery pack in which the battery cells are grouped together to form a first stack of cells and a second stack of cells. The energy storage assembly also includes a first barrier disposed between the first stack of cells and the second stack of cells to reduce heat transfer between the first stack of cells and the second stack of cells. The energy storage assembly further includes a coolant plate disposed along the battery cells. The coolant plate defines a channel for guiding a fluid therethrough to thermally transfer heat away from the battery cells. The coolant plate defines a slot spaced from the channel, and the slot axially aligns with the first barrier to reduce heat transfer between the first stack of cells and the second stack of cells.

公开(公告)号：US20220093989A1

公开(公告)日：2022-03-24

申请号：US17027967

申请日：2020-09-22

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Ethan T. Quy ,  Nicholas R. Bratton ,  Harikrishna Ketha

IPC: H01M10/6554 ,  H01M10/613 ,  H01M10/6556 ,  H01M10/6568 ,  H01M2/10 ,  H01M10/625

Abstract: A battery pack module includes a cooling plate having thermal breaks strategically aligned with respect to adjacent cell chambers to reduce thermal propagation from one cell chamber to an adjacent cell chamber via thermal conductance through the cooling plate.

公开(公告)号：US20220069380A1

公开(公告)日：2022-03-03

申请号：US17003222

申请日：2020-08-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Karl C. Dorgan ,  Anil Yadav ,  Yangbing Zeng ,  Konrad M. Brown ,  Anandakrishnan S ,  Robert J. Schoenherr ,  Nicholas R. Bratton

IPC: H01M10/6554 ,  H01M2/20 ,  H01M10/613 ,  H01M2/10 ,  H01M10/625 ,  H01M10/6567 ,  H01M10/6556

Abstract: An energy storage assembly includes a plurality of battery cells electrically connected to each other to form a battery pack in which the battery cells are grouped together to form a first stack of cells and a second stack of cells. The energy storage assembly also includes a first barrier disposed between the first stack of cells and the second stack of cells to reduce heat transfer between the first stack of cells and the second stack of cells. The energy storage assembly further includes a coolant plate disposed along the battery cells. The coolant plate defines a channel for guiding a fluid therethrough to thermally transfer heat away from the battery cells. The coolant plate defines a slot spaced from the channel, and the slot axially aligns with the first barrier to reduce heat transfer between the first stack of cells and the second stack of cells.

公开(公告)号：US20210057708A1

公开(公告)日：2021-02-25

申请号：US16544237

申请日：2019-08-19

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Brittany A. Castillo ,  Nicholas R. Bratton ,  Robert J. Heydel ,  Igor M. Kan

IPC: H01M2/20 ,  H01M2/10 ,  H01M2/30 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6556 ,  B60K1/04 ,  B60L50/64 ,  B60L50/60

Abstract: Presented are integrated electrical interconnect board (ICB) assemblies for battery modules, rechargeable traction battery packs equipped with such ICB assemblies, and methods for making/using such ICB assemblies. A battery module for storing and supplying electrical energy includes multiple battery cells that are stacked in side-by-side facing relation with one another and each has a battery cell casing with an electrical terminal projecting therefrom. An electrically insulating module housing has a housing base that supports thereon the stacked battery cells. An integrated ICB assembly, which is attached to the module housing, includes a central cover in spaced facing relation to the housing base, endwalls projecting from the central cover, and multiple busbar connectors attached to the endwalls and electrically connected to the battery cells' electrical terminals. Each endwall has multiple elongated slots that extend from a distal edge of the endwall and slidably receives therethrough one of the electrical terminals.