[특허]Battery module and method of coupling first and second electrical terminals of first and second battery cells to a voltage sense member of an interconnect assembly

LG Chem, Ltd.

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특허 상세정보

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Battery module and method of coupling first and second electrical terminals of first and second battery cells to a voltage sense member of an interconnect assembly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-002/20 H01R-043/02 H01M-010/48 B23K-026/22 G01R-031/36 H01M-010/42
출원번호	US-0617230 (2015-02-09)
등록번호	US-10020483 (2018-07-10)
발명자 / 주소	Merriman, Robert Yang, Heekook
출원인 / 주소	LG Chem, Ltd.
대리인 / 주소	Buckert Patent & Trademark Law Firm PC
인용정보	피인용 횟수 : 0 인용 특허 : 19

초록
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A battery module and a method are provided. The battery module includes a first battery cell having a first electrical terminal, a second battery cell having a second electrical terminal, and an interconnect assembly having a plate portion, a first finger portion, and a first voltage sense member. The first voltage sense member is coupled to the first finger portion. The first electrical terminal has a first terminal portion disposed directly on and coupled to a first voltage sense wall of the first voltage sense member. The second electrical terminal has a first terminal portion disposed on and coupled to the first terminal portion of the first electrical terminal such that the first terminal portion of the first electrical terminal is sandwiched between the first voltage sense wall of the first voltage sense member and the first terminal portion of the second electrical terminal.

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1. A battery module, comprising: a first battery cell having a first electrical terminal;a second battery cell having a second electrical terminal;an interconnect assembly having a plate portion, a first finger portion, and a first voltage sense member;the first finger portion being coupled to and extending from a first end of the plate portion, the first finger portion having first and second side surfaces and a first flat outer surface, the first flat outer surface of the first finger portion being disposed between the first and second side surfaces of the first finger portion;the first voltage sense member being coupled to the first finger portion, the first voltage sense member having first, second, and third voltage sense walls; the second and third voltage sense walls of the first voltage sense member being coupled to and extending from first and second ends, respectively, of the first voltage sense wall of the first voltage sense member; the second and third voltage sense walls of the first voltage sense member extending substantially perpendicular to the first voltage sense wall of the first voltage sense member; the first voltage sense wall of the first voltage sense member being disposed directly on the first flat outer surface of the first finger portion; the second and third voltage sense walls of the first voltage sense member being disposed directly on the first and second side surfaces, respectively, of the first finger portion;the first electrical terminal having a first terminal portion disposed directly on and coupled to the first voltage sense wall of the first voltage sense member;the second electrical terminal having a first terminal portion disposed on and coupled to the first terminal portion of the first electrical terminal such that the first terminal portion of the first electrical terminal is sandwiched between the first voltage sense wall of the first voltage sense member and the first terminal portion of the second electrical terminal;the first electrical terminal further includes a second terminal portion being disposed directly on the second voltage sense wall of the first voltage sense member; andthe second electrical terminal further includes a second terminal portion being disposed directly on the third voltage sense wall of the first voltage sense member. 2. The battery module of claim 1, wherein the first finger portion has a T-shaped cross-sectional profile along a plane extending through first finger portion that is substantially parallel to the first end of the plate portion. 3. The battery module of claim 1, wherein the plate portion and the first finger portion are each constructed of plastic, and the first voltage sense member is constructed of a metal. 4. A battery module, comprising: a first battery cell having a first electrical terminal;a second battery cell having a second electrical terminal;an interconnect assembly having a plate portion, a first finger portion, and a first voltage sense member;the first finger portion being coupled to and extending from a first end of the plate portion, the first finger portion having first and second side surfaces and a first flat outer surface, the first flat outer surface of the first finger portion being disposed between the first and second side surfaces of the first finger portion;the first voltage sense member being coupled to the first finger portion, the first voltage sense member having first, second, and third voltage sense walls; the second and third voltage sense walls of the first voltage sense member being coupled to and extending from first and second ends, respectively, of the first voltage sense wall of the first voltage sense member; the second and third voltage sense walls of the first voltage sense member extending substantially perpendicular to the first voltage sense wall of the first voltage sense member; the first voltage sense wall of the first voltage sense member being disposed directly on the first flat outer surface of the first finger portion; the second and third voltage sense walls of the first voltage sense member being disposed directly on the first and second side surfaces, respectively, of the first finger portion;the first electrical terminal having a first terminal portion disposed directly on and coupled to the first voltage sense wall of the first voltage sense member;the second electrical terminal having a first terminal portion disposed on and coupled to the first terminal portion of the first electrical terminal such that the first terminal portion of the first electrical terminal is sandwiched between the first voltage sense wall of the first voltage sense member and the first terminal portion of the second electrical terminal;a third battery cell having a third electrical terminal;a fourth battery cell having a fourth electrical terminal;the interconnect assembly further having a second finger portion and a second voltage sense member;the second finger portion being coupled to an extending from the first end of the plate portion, the second finger portion extending substantially parallel to the first finger portion and being spaced apart from the first finger portion, the second finger portion having first and second side surfaces and a first flat outer surface, the first flat outer surface of the second finger portion being disposed between the first and second side surfaces of the second finger portion;the second voltage sense member being coupled to the second finger portion, the second voltage sense member having first, second, and third voltage sense walls; the second and third voltage sense walls of the second voltage sense member being coupled to and extending from first and second ends, respectively, of the first voltage sense wall of the second voltage sense member; the second and third voltage sense walls of the second voltage sense member extending substantially perpendicular to the first voltage sense wall of the second voltage sense member; the first voltage sense wall of the second voltage sense member being disposed directly on the first flat outer surface of the second finger portion; the second and third voltage sense walls of the second voltage sense member being disposed directly on the first and second side surfaces, respectively, of the second finger portion;the third electrical terminal having a first terminal portion disposed directly on and coupled to the first voltage sense wall of the second voltage sense member;the fourth electrical terminal having a first terminal portion disposed on and coupled to the first terminal portion of the third electrical terminal such that the first terminal portion of the third electrical terminal is sandwiched between the first voltage sense wall of the second voltage sense member and the first terminal portion of the fourth electrical terminal;a first frame member having a frame extension portion;the first and second battery cells being disposed against and contacting one another;the third and fourth battery cells being disposed against and contacting one another; andthe first frame member being disposed against and contacting the second and third battery cells such that the frame extension portion is disposed in a gap between the second and third electrical terminals of the second and third battery cells, respectively, to electrically isolate the second electrical terminal from the third electrical terminal. 5. The battery module of claim 1, wherein the first voltage sense member further includes first and second coupling members coupled to and extending from third and fourth ends, respectively, of the first voltage sense wall; the first and second coupling members adapted to hold the first voltage sense member on the first flat outer surface of the first finger portion. 6. The battery module of claim 5, wherein the third side surface of the first finger portion defines an electrical connector tab. 7. The battery module of claim 4, wherein the first frame member further includes a first substantially rectangular ring-shaped outer plastic frame and a first heat exchanger; the first heat exchanger having first and second thermally conductive plates being coupled together and defining a first flow path portion extending therethrough, the first flow path portion having at least first and second flow path subportions each extending through the first and second thermally conductive plates;the first substantially rectangular ring-shaped outer plastic frame being coupled around an outer peripheral region of the first and second thermally conductive plates; the first substantially rectangular ring-shaped outer plastic frame having first, second, third, and fourth side walls; the first and second side walls extending substantially parallel to one another; the third and fourth side walls being coupled between the first and second side walls and extending substantially parallel to one another and perpendicular to the first and second side walls; the first side wall having first and second apertures extending therethrough that communicate with the first and second flow path subportions, respectively; the second side wall having third and fourth apertures extending therethrough that communicate with the first and second flow path subportions, respectively;the frame extension portion extending outwardly from the third side wall of the first substantially rectangular ring-shaped outer plastic frame;the second battery cell being disposed on and against a side of the first thermally conductive plate; andthe third battery cell being disposed on and against a side of the second thermally conductive plate.

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Battery module and method of coupling first and second electrical terminals of first and second battery cells to a voltage sense member of an interconnect assembly

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인용문헌 (19)

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