Lg Chem, Ltd

Lg Energy Solution, Ltd.

Scott Dudley

Robert Merriman

Heekook Yang

Alexander Jeffrey Smith

Anthony Arena

Michael P Garascia

Mohamed Alamgir

Hee Kook Yang

Todd Richard Brown

Amanda Nowicki

Curtis Wesley Chauvin

Meng Xiao

Wesley Curtis Chauvin

A battery pack having a battery module and a cooling plate are provided. The battery pack has a bottom surface and a first plane that extends through the battery module parallel to the bottom surface. The cooling plate has a bottom pan and a top plate that are coupled together and extend along a longitudinal axis. The bottom surface of the battery module is disposed on the top plate. The bottom pan has a first cooling region with first and second flow path patterns therein that receive a refrigerant therethrough. The first and second flow path pattern are shaped and sized to maintain a temperature of first and second halves, respectively, of a cross-sectional area of the battery module within one degree Celsius of a first temperature level.

Battery pack

A battery system includes a first metallic end plate. A first side of the first metallic end plate has first and second slanted surfaces and a first groove. The battery system further includes a first pouch battery cell having a first pouch housing with a first end portion and a second end portion. The first end portion has a first extension portion and first and second slanted end surfaces. The first pouch battery cell is coupled to the first metallic end plate such that the first extension portion of the first pouch battery cell is disposed in the first groove of the first metallic end plate, and the first and second slanted end surfaces of the first pouch battery cell are disposed on and against first and second thermally conductive adhesive portions, respectively, on the first and second slanted surfaces, respectively, of the first metallic end plate.

Battery system having a metallic end plate with thermally conductive adhesive portions thereon

A battery cell assembly includes a pouch-type battery cell having a battery member, an external housing, and first and second electrical terminals. The external housing has a central housing portion and a peripheral lip member extending around a periphery of the central housing portion. The central housing portion encloses the battery member therein. The first and second electrical terminals are electrically coupled to the battery member and extend outwardly from the peripheral lip member. The assembly further includes a first tube disposed against the peripheral lip member of the external housing. The peripheral lip member extends around the first tube such that the first tube is at least partially disposed within a first interior region defined by the peripheral lip member.

Battery cell assembly

A battery cell assembly is provided. The battery cell assembly includes a polymeric foam container having first, second, third side walls defining an interior region. The first, second, and third side walls have first, second, and third grooves, respectively, extending therein. The battery cell assembly further includes a first battery cell having a first rectangular-shaped body with first, second, and third peripheral ledge portions. The first battery cell is disposed in the interior region such that first, second, and third peripheral ledge portions thereof are disposed in the first, second, and third grooves, respectively, in the first, second, and third side walls, respectively.

A battery pack includes a battery module with a bottom surface, and a cooling plate with a sheet member that holds the battery module thereon. The sheet member has first and second flow channels extending substantially parallel to one another. The first flow channel is disposed closer to a first longitudinal edge of the sheet member than the second flow channel. The first flow channel has a first cross-sectional area and a coolant flowing through the first flow channel having a first velocity. The second flow channel has a second cross-sectional area that is less than the first cross-sectional area of the first flow channel such that the coolant flowing through the second flow channel has a second velocity that is greater than the first velocity.

A thermally conductive base member and a method of assembly are provided. The thermally conductive base member includes first and second metal base members, and a top plate. The first metal base member has a first bottom plate, first and second female coupling portions, and first and second rib portions. The second metal base member has a second bottom plate, a first male coupling portion, and first and second rib portions. The first male coupling portion is disposed in and coupled to the first female coupling portion. The top plate is coupled to a top surface of the first female coupling portion, a top surface of the second female coupling portion, and the first and second rib portions of the first metal base member such that a first flow channel is defined between the first and second rib portions of the first metal base member and the top plate.

Thermally conductive base member and method of assembling the thermally conductive base member

A battery system having a thermally conductive base member, a thermal interface member, and a battery module is provided. The thermal interface member is disposed on the thermally conductive base member and has first and second arcuate-shaped surfaces and a first groove. The battery module has a first pouch-type battery cell with a first outer housing having a first end portion with a first extension portion and first and second arcuate-shaped end surfaces. The first pouch-type battery cell is disposed directly on the thermal interface member such that the first extension portion is disposed in the first groove of the thermal interface member, and the first and second arcuate-shaped end surfaces are disposed directly on and against the first and second arcuate-shaped surfaces, respectively, of the thermal interface member.

Battery system

A battery pack having a battery module with a bottom surface and a top surface is provided. The battery module includes a plurality of flow channels extending through the battery module from the top surface to the bottom surface. The battery pack includes a base assembly adapted to hold the battery module therein. The base assembly has a bottom wall and a first end and a second end. The bottom surface of the battery module is disposed at an acute angle relative to the bottom wall of the base assembly in a first direction extending from the first end toward the second end. The battery pack includes a cover assembly having a top wall extending substantially parallel to the bottom wall of the base assembly, and a top surface of the battery module that is disposed at an acute angle relative to the top wall of the cover assembly.

A battery cell assembly having first, second, and third battery cells and a unitary wrapping sheet is provided. The unitary wrapping sheet is disposed on a top surface and a bottom surface of the first battery cell. The unitary wrapping sheet is further disposed on a top surface and a bottom surface of the second battery cell. The unitary wrapping sheet is further disposed on a top surface and a bottom surface of the third battery cell. The unitary wrapping sheet is further disposed on and encloses a portion of a combined periphery of the first, second, and third battery cells such that the top surface of the first battery cell, the top surface of the second battery cell, and the top surface of the third battery cell are held substantially parallel to one another.

A battery system and a method of assembling the battery system are provided. The battery system includes a thermally conductive base member, a thermal transfer member, a thermally conductive adhesive portion, and a battery module. The thermal transfer member has a metal plate with a top portion and a bottom portion. The bottom portion is disposed on the thermally conductive base member. The top portion has a substantially arcuate-shaped groove extending inwardly into the metal plate. The thermally conductive adhesive portion is disposed in the substantially arcuate-shaped groove. The battery module having a first pouch-type battery cell with a first outer housing with a first end portion. The first end portion is disposed on the thermally conductive adhesive portion and is disposed above the arcuate-shaped groove.

Battery system and method of assembling the battery system

A battery pack having a first battery cell, a first cooling fin, and a housing is provided. The first cooling fin has a rectangular-shaped sheet, and at least first, second, and third tabs disposed perpendicular to first and second major surfaces of the first battery cell. A first side of the rectangular-shaped sheet of the first cooling fin contacts the first major surface of the first battery cell. The first battery cell and the first cooling fin are disposed within an interior region of the housing. The housing has a first flow path within the interior region between a top edge of the first battery cell and a top wall of the housing, such that air flowing through the first flow path contacts the first, second, and third tabs of the first cooling fin to conduct heat energy away from the first cooling fin to reduce a temperature level of the first battery cell.

Growing community of inventors

Commerce Township, MI, United States of America

Scott Dudley