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KR20130122996A - Battery module - Google Patents

Battery module Download PDF

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Publication number
KR20130122996A
KR20130122996A KR1020120046050A KR20120046050A KR20130122996A KR 20130122996 A KR20130122996 A KR 20130122996A KR 1020120046050 A KR1020120046050 A KR 1020120046050A KR 20120046050 A KR20120046050 A KR 20120046050A KR 20130122996 A KR20130122996 A KR 20130122996A
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KR
South Korea
Prior art keywords
cell
module
heat dissipation
battery module
dissipation cover
Prior art date
Application number
KR1020120046050A
Other languages
Korean (ko)
Inventor
이지석
Original Assignee
에스케이이노베이션 주식회사
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Application filed by 에스케이이노베이션 주식회사 filed Critical 에스케이이노베이션 주식회사
Priority to KR1020120046050A priority Critical patent/KR20130122996A/en
Publication of KR20130122996A publication Critical patent/KR20130122996A/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
    • H01M50/276—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • H01M50/287—Fixing of circuit boards to lids or covers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

A battery module of the present invention comprises two cells which are electrically connected to each other, an elastic member located between the cells, a cell housing having the cells mounted therein and at least one or more sub-modules having a radiating cover which adheres to the external side surface of the cells and is coupled to the cell housing. [Reference numerals] (AA) Up;(BB) Back;(CC) Left;(DD) Down;(EE) Front;(FF) Right

Description

배터리모듈{Battery Module}Battery Module {Battery Module}

본 발명은 배터리모듈에 관한 것으로서, 좀 더 상세하게는 고출력 전원으로 사용되는 이차 전지를 구성하는 배터리모듈을 안정적으로 보호하며 방열 성능이 우수한 배터리모듈에 관한 것이다.
The present invention relates to a battery module, and more particularly, to a battery module that reliably protects a battery module constituting a secondary battery used as a high output power and has excellent heat dissipation performance.

일반적으로, 일차 전지와는 달리 충전 및 방전이 가능한 이차 전지는 디지털 카메라, 셀룰라 폰, 노트북, 하이브리드 자동차 등 첨단 분야의 개발로 활발한 연구가 진행중이다. 이차 전지로는 니켈-카드뮴 전지, 니켈-메탈 하이드라이드 전지, 니켈-수소 전지, 리튬 이차 전지를 들 수 있다. 이중에서, 리튬 이차 전지는 작동 전압이 3.6V 이상으로 휴대용 전자기기의 전원으로 사용되거나, 또는 다수개를 직렬 연결하여 고출력의 하이브리드 자동차에 사용되는데, 니켈-카드뮴 전지나, 니켈-메탈 하이드라이드 전지에 비하여 작동 전압이 3배가 높고, 단위 중량당 에너지 밀도의 특성도 우수하여 급속도로 사용되고 있는 추세이다.In general, unlike the primary battery, the rechargeable battery that is capable of charging and discharging is being actively researched due to the development of high-tech fields such as digital cameras, cell phones, laptops, and hybrid cars. Examples of secondary batteries include nickel-cadmium batteries, nickel-metal hydride batteries, nickel-hydrogen batteries, and lithium secondary batteries. Among these, lithium secondary batteries are used as a power source for portable electronic devices with an operating voltage of 3.6 V or more, or used in high-power hybrid vehicles by connecting a plurality of them in series, such as nickel-cadmium batteries or nickel-metal hydride batteries. Compared with the three times higher operating voltage and excellent energy density per unit weight, it is being used rapidly.

리튬 이차 전지는 다양한 형태로 제조가능한데, 대표적인 형상으로는 리튬 이온 전지에 주로 사용되는 원통형(cylinder type) 및 각형(prismatic type)을 들 수 있다. 최근 들어 각광받는 리튬 폴리머 전지는 유연성을 지닌 파우치형(pouched type)으로 제조되어서, 그형상이 비교적 자유롭다.Lithium secondary batteries can be manufactured in various forms, and typical shapes include cylindrical and prismatic types commonly used in lithium ion batteries. Lithium polymer batteries, which are in the spotlight in recent years, are manufactured in a flexible pouched type, and their shape is relatively free.

이러한, 파우치형 리튬 폴리머 전지(이하, "파우치형 셀"이라고 함)는 쉽게 휘어지거나 구부러질 수 있기 때문에 견고한 케이스 장치로 보호해 주어야 장시간 사용할 수 있으나, 종래에는 이러한 직렬 연결을 위해 각 파우치의 전극탭을 회로 패턴이 형성되어 있는 PCB(Printed Circuit Board; 인쇄회로기판)에 의해 연결하고 이를 케이스에 담는 방식을 사용하였다.Since the pouch-type lithium polymer battery (hereinafter, referred to as a "pouch-type cell") can be easily bent or bent, it must be protected by a rigid case device to be used for a long time. The tabs were connected by printed circuit boards (PCBs) in which circuit patterns were formed and put in a case.

종래의 일본공개특허 2011-96465에 개재되어 있는 배터리는 평평한 상태에 형성되는 2차전지와, 상기 2차전지에 중합하는 냉각판을 구비하고, 상기 냉각판은 가요성을 가지는 제1 평판과 가요성을 가지고, 한 면이 상기 제1의 평판의 한면과 소정의 간격을 투고 대향하는 제2의 평판과 상기 제1의 평판과 상기 제2의 평판의 사이에 개재되고, 상기 2차전지의 팽창에 수반하고 탄성변형하는 중간 수지부와 상기 제1의 평판과 상기 제2 평판의 상이에 형성되고 기체 또는 액체로 되는 냉매가 통과하는 통로를 포함한다.The battery disclosed in Japanese Patent Application Laid-Open No. 2011-96465 includes a secondary battery formed in a flat state and a cooling plate polymerized on the secondary battery, and the cooling plate is flexible with a first flat plate having flexibility. It has a property, and one side is interposed between the 2nd flat plate and the said 1st flat plate and the said 2nd flat plate which oppose one side of the said 1st flat plate at predetermined intervals, and the said secondary battery is expanded And an intermediate resin portion that is elastically deformed, and a passage through which a refrigerant formed as a gas or a liquid passes between the first flat plate and the second flat plate.

종래의 특허는 배터리 사이에 구조가 복잡하여 배터리를 수용할 수 있는 배터리하우징에 결합하는데 문제점이 있었다.The conventional patent has a problem in coupling to a battery housing that can accommodate a battery because the structure is complex between the batteries.

또한, 수냉식으로 배터리를 냉각하여, 생산단가가 높고 열효율이 상대적으로 떨어지는 문제점이 있었다.
In addition, by cooling the battery in water-cooled, there is a problem that the production cost is high and the thermal efficiency is relatively low.

일본공개특허 10-2011-96465(2011.05.12)Japanese Patent Laid-Open No. 10-2011-96465 (2011.05.12)

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 방열 성능이 우수하며 배터리 셀을 안정적으로 보호할 수 있는 배터리모듈에 관한 것이다.
The present invention has been made to solve the above problems, and relates to a battery module that is excellent in heat dissipation performance and can stably protect the battery cells.

본 발명의 배터리모듈은 전기적으로 서로 연결되어 있는 두 개의 셀, 상기 셀 사이에 위치하는 탄성부재, 상기 셀이 안착되는 셀하우징, 상기 셀의 외측면에 밀착되고, 상기 셀하우징에 결합되는 방열커버를 포함하는 적어도 하나 이상의 서브모듈을 구비하는 것을 특징으로 한다.The battery module of the present invention includes two cells electrically connected to each other, an elastic member positioned between the cells, a cell housing in which the cells are seated, a heat dissipation cover closely attached to an outer surface of the cell, and coupled to the cell housing. Characterized in that it comprises at least one or more sub-module including.

또한, 상기 셀하우징은 좌우 측면에 돌출부가 형성되어 있고, 상기 방열커버에 결합홀이 천공되어 있어, 상기 돌출부에 상기 결합홀이 삽입되어 상기 방열커버가 상기 셀하우징에 고정되는 것을 특징으로 한다.In addition, the cell housing is characterized in that the protrusion is formed on the left and right sides, the coupling hole is drilled in the heat dissipation cover, the coupling hole is inserted into the protrusion to fix the heat dissipation cover to the cell housing.

또한, 상기 방열커버가 금속재질로 제작되는 것을 특징으로 한다.The heat dissipation cover may be made of a metal material.

또한, 상기 서브모듈이 안착되는 안착부를 포함하는 모듈하우징, 상기 서브모듈의 상부에 결합되고, 상기 서브모듈 간의 PCB를 이용하여 전기적인 연결을 하는 모듈커버를 포함하는 것을 특징으로 한다.The module housing may include a module housing including a seating unit on which the sub module is seated, and a module cover coupled to an upper portion of the sub module and electrically connecting the PCB using the PCB between the sub modules.

또한, 상기 서브모듈이 일정간격으로 서로 이격되어, 상기 모듈하우징에 안착되는 것을 특징으로 한다.
In addition, the sub-modules are spaced apart from each other at a predetermined interval, characterized in that seated in the module housing.

본 발명의 배터리모듈은 방열커버가 열전도율이 높은 금속으로 제작되고, 셀 사이에 탄성부재가 위치하여 방열커버가 셀에 밀착되어 방열 성능이 우수하며, 셀 두께 및 사출물의 공정상 공차를 탄성부재가 흡수하여 쉽게 조립할 수 있다.In the battery module of the present invention, the heat dissipation cover is made of a metal having high thermal conductivity, and the elastic member is positioned between the cells so that the heat dissipation cover is in close contact with the cell, and the heat dissipation performance is excellent. It can be absorbed and assembled easily.

또한, 탄성부재가 셀에 면 압력을 주어 셀이 안정적으로 고정되어 셀의 수명을 연장시킬 수 있다.
In addition, the elastic member may give surface pressure to the cell, thereby stably fixing the cell, thereby extending the life of the cell.

도 1은 본 발명의 실시예에 따른 배터리모듈 사시도
도 2는 본 발명의 실시예에 따른 서브모듈 분해도
도 3은 본 발명의 실시예에 따른 서브모듈 사시도
도 4는 본 발명의 실시예에 따른 배터리모듈의 결합관계를 나타내는 사시도
도 5는 본 발명의 실시예에 따른 배터리모듈의 결합관계를 나타내는 사시도1 is a perspective view of a battery module according to an embodiment of the present invention
2 is an exploded view of a submodule according to an embodiment of the present invention;
3 is a perspective view of a submodule according to an embodiment of the present invention;
4 is a perspective view showing a coupling relationship of a battery module according to an embodiment of the present invention;
5 is a perspective view showing a coupling relationship of a battery module according to an embodiment of the present invention;

이하, 본 발명의 기술적 사상을 첨부된 도면을 사용하여 더욱 구체적으로 설명한다.Hereinafter, the technical idea of the present invention will be described more specifically with reference to the accompanying drawings.

그러나 첨부된 도면은 본 발명의 기술적 사상을 더욱 구체적으로 설명하기 위하여 도시한 일예에 불과하므로 본 발명의 기술적 사상이 첨부된 도면의 형태에 한정되는 것은 아니다.
However, the accompanying drawings are only examples to illustrate the technical idea of the present invention in more detail, and thus the technical idea of the present invention is not limited to the accompanying drawings.

도 1은 본 발명의 실시예에 따른 배터리모듈(100)의 사시도이다.1 is a perspective view of a battery module 100 according to an embodiment of the present invention.

도 1을 참조하면, 본 발명의 실시예에 따른 배터리모듈(100)은 적어도 하나 이상의 서브모듈(200)을 포함한다.Referring to FIG. 1, the battery module 100 according to an embodiment of the present invention includes at least one submodule 200.

도시된 바와 같이 배터리모듈(100)은 적어도 하나 이상의 서브모듈(200)이 모듈하우징(110)에 안착되어 있고, 상부에 상부커버(120)를 위치하고 상부커버(120)의 내부에 위치한 PCB(121)로 인해 각각의 서브모듈(200)이 전기적으로 연결된다.
As shown in the battery module 100, at least one or more sub-modules 200 are seated in the module housing 110, the upper cover 120 is positioned on the upper part, and the PCB 121 is located inside the upper cover 120. Due to this, each submodule 200 is electrically connected.

도 2를 참조하여 본 발명의 실시예에 따른 배터리모듈(100)의 형태와 구성에 대해서 상세히 설명한다.2 will be described in detail with respect to the shape and configuration of the battery module 100 according to an embodiment of the present invention.

배터리모듈(100)은 모듈하우징(110)과 상부커버(120)를 포함하며, 서브모듈(200)은 셀(210), 탄성부재(220), 셀하우징(230) 및 방열커버(240)를 포함한다.The battery module 100 includes a module housing 110 and an upper cover 120, and the sub module 200 includes a cell 210, an elastic member 220, a cell housing 230, and a heat dissipation cover 240. Include.

셀(210)은 파우치(212)와 전극탭(211)으로 구성된다. 전극탭(211)은 전류를 내보내는 양극의 전극탭(211)과 전류를 받아들이는 음극의 전극탭(211)이 서로 이격되어 각각 형성된다.The cell 210 includes a pouch 212 and an electrode tab 211. The electrode tab 211 is formed by spaced apart from each other, the electrode tab 211 of the positive electrode for sending a current and the electrode tab 211 of the negative electrode for receiving a current.

서브모듈(200)은 2개의 셀(210)을 포함하고, 2개의 셀(210)은 각각의 전극탭(211)이 레이저, 초음파 등을 이용한 용접방법으로 전기적으로 서로 연결되고, 탄성부재(220)는 셀(210)의 사이에 위치한다.The submodule 200 includes two cells 210, and each of the two cells 210 is electrically connected to each other by the electrode tab 211 by a welding method using a laser, an ultrasonic wave, or the like, and an elastic member 220. ) Is located between the cells 210.

두 개의 셀(210)과 셀(210) 사이에 위치한 탄성부재(220)가 셀하우징(230)에 안착된다.An elastic member 220 positioned between the two cells 210 and the cell 210 is seated in the cell housing 230.

이때, 셀(210)의 파우치(212)의 하부면과 좌우측면이 셀하우징(230)의 내측면에 밀착되게 안착된다.At this time, the lower surface and the left and right sides of the pouch 212 of the cell 210 is seated to be in close contact with the inner surface of the cell housing 230.

방열커버(240)는 셀(210)의 외측면에 밀착되게 위치하며, 방열커버(240)에 형성되어 있는 결합홀(241)이 셀하우징(230)의 좌우측면에 형성되어 있는 돌출부(231)에 삽입되어 고정된다.The heat dissipation cover 240 is located in close contact with the outer surface of the cell 210, the protrusion 231 is formed in the left and right sides of the cell housing 230, the coupling hole 241 formed in the heat dissipation cover 240 It is inserted into and fixed.

즉, 서브모듈(200)은 방열커버(240), 셀(210), 탄성부재(220), 셀(210), 방열커버(240) 순으로 배열되며, 두 개의 셀(210)과 탄성부재(220)가 셀하우징(230)의 내부에 안착되고, 방열커버(240)가 앞뒤면에 셀(210)의 외측면에 밀착되고, 셀하우징(230)의 좌우측면에 형성되어 있는 돌출부(231)에 방열커버(240)에 형성되어 있는 결합홀(241)에 삽입되어 방열커버(240)가 고정된다.(도 3 참조)That is, the sub module 200 is arranged in the order of the heat dissipation cover 240, the cell 210, the elastic member 220, the cell 210, the heat dissipation cover 240, two cells 210 and the elastic member ( 220 is seated in the interior of the cell housing 230, the heat dissipation cover 240 is in close contact with the outer surface of the cell 210 on the front and back, the protrusions 231 formed on the left and right sides of the cell housing 230 The heat dissipation cover 240 is inserted into the coupling hole 241 formed in the heat dissipation cover 240 to fix the heat dissipation cover 240.

이때, 방열커버(240)가 셀(210)의 외측면에 밀착되어, 셀(210)에서 발생되는 열을 흡수하여 외부로 방출하게 된다. 또한, 일정탄성력을 가지고 있는 탄성부재(220)가 셀(210)을 외측으로 힘을 가해 셀(210)이 방열커버(240)에 밀착되어 열을 효과적으로 전달할 수 있으며, 셀(210)을 제작하는 과정에서 생길 수 있는 공차를 탄성부재(220)가 외측으로 힘을 가함으로 인해서 셀(210)이 방열커버(240)에 밀착된다.At this time, the heat dissipation cover 240 is in close contact with the outer surface of the cell 210, and absorbs heat generated from the cell 210 to release to the outside. In addition, the elastic member 220 having a certain elastic force to apply a force to the cell 210 to the outside, the cell 210 is in close contact with the heat dissipation cover 240 can effectively transfer heat, to manufacture the cell 210 The cell 210 is in close contact with the heat dissipation cover 240 due to the tolerance that may occur in the process by the elastic member 220 is applied to the outside.

또한, 방열커버(240)는 효과적으로 열을 흡수하고 방출하기 위해서, 열전도율이 높은 알루미늄, 구리등과 같은 금속재질로 제작되는 것이 바람직하다.
In addition, the heat dissipation cover 240 is preferably made of a metal material such as aluminum, copper and the like with high thermal conductivity in order to absorb and release heat effectively.

도 4와 도 5는 본 발명의 실시예에 따른 배터리모듈(100)의 결합관계를 나타내는 사시도이다.4 and 5 are perspective views showing the coupling relationship of the battery module 100 according to an embodiment of the present invention.

도 4와 도 5를 이용하여 본 발명의 실시예에 따른 서브모듈(200)과 모듈하우징(110) 및 상부커버(120)의 결합관계에 대해서 상세히 설명한다.4 and 5 will be described in detail the coupling relationship between the sub-module 200, the module housing 110 and the upper cover 120 according to an embodiment of the present invention.

모듈하우징(110)은 서브모듈(200)이 안착되는 안착부(111)가 형성되어 있으며, 안착부(111)는 서브모듈(200)의 수량에 따라서 복수개 형성된다.The module housing 110 has a seating portion 111 on which the submodule 200 is seated, and a plurality of seating portions 111 are formed according to the quantity of the submodules 200.

또한, 모듈하우징(110)은 서브모듈(200)이 상부 방향에서 하부 방향으로 포켓형식으로 조립된다.In addition, the module housing 110 is a sub-module 200 is assembled in a pocket form from the upper direction to the lower direction.

즉, 서브모듈(200)의 하측, 좌측, 우측이 안착부(111)에 삽입되어 고정되며, 방열판의 외측면이 외부로 개방되어 원활히 외부로 열을 전달할 수 있어 열효율이 증대된다.That is, the lower side, left side, and right side of the sub module 200 are inserted into and fixed to the seating part 111, and the outer surface of the heat sink is open to the outside to smoothly transfer heat to the outside, thereby increasing thermal efficiency.

이때, 서브모듈(200)은 일정간격을 두고 배열되어 방열커버(240)에서 발생되는 열이 원활히 외부로 빠져나갈 수 있게 조립되는 것이 바람직하다.At this time, the sub-module 200 is preferably arranged at a predetermined interval so that the heat generated from the heat dissipation cover 240 can be assembled to smoothly escape to the outside.

상부커버(120)는 PCB(121)를 포함하며, 서브모듈(200)의 상부에 결합된다.The upper cover 120 includes a PCB 121 and is coupled to an upper portion of the sub module 200.

이때, 서브모듈(200)의 상부에 형성되어 있는 전극탭(211)이 PCB(121)에 연결되어, 서브모듈(200) 간에 전기적으로 연결된다.(도 5 참조)
At this time, the electrode tab 211 formed on the upper part of the sub module 200 is connected to the PCB 121, and is electrically connected between the sub modules 200 (see FIG. 5).

따라서, 본 발명의 배터리모듈(100)은 방열커버(240)가 열전도율이 높은 금속으로 제작되고, 셀(210) 사이에 탄성부재(220)가 위치하여 방열커버(240)가 셀(210)에 밀착되어 방열 성능이 우수하며, 셀(210) 두께 및 사출물의 공정상 공차를 탄성부재(220)가 흡수하여 쉽게 조립할 수 있다.Therefore, the battery module 100 of the present invention, the heat dissipation cover 240 is made of a high thermal conductivity metal, the elastic member 220 is located between the cells 210, the heat dissipation cover 240 is a cell 210 Close contact is excellent in heat dissipation performance, the elastic member 220 absorbs the cell 210 thickness and the process tolerance of the injection molding can be easily assembled.

또한, 탄성부재(220)가 셀(210)에 면 압력을 주어 셀(210)이 안정적으로 고정되어, 셀의 일측을 억지끼움으로 조립하는 종래의 발명에 비해 셀(210)에 작용하는 면압이 낮아 셀(210)의 수명을 연장시킬 수 있다.
In addition, the elastic member 220 gives a surface pressure to the cell 210, the cell 210 is stably fixed, compared with the conventional invention in which one side of the cell is assembled by interference fit, the surface pressure acting on the cell 210 is increased. The low life of the cell 210 can be extended.

100 : 배터리모듈 110 : 모듈하우징
111 : 안착부
120 : 상부커버 121 : PCB
200 : 서브모듈 210 : 셀
211 : 전극탭 212 : 파우치
220 : 탄성부재
230 : 셀하우징 231 : 돌출부
240 : 방열커버 241 : 결합홀100: battery module 110: module housing
111: seating part
120: upper cover 121: PCB
200: submodule 210: cell
211: electrode tab 212: pouch
220: elastic member
230: cell housing 231: protrusion
240: heat dissipation cover 241: coupling hole

Claims (5)

전기적으로 서로 연결되어 있는 두 개의 셀;
상기 셀 사이에 위치하는 탄성부재;
상기 셀이 안착되는 셀하우징; 및
상기 셀의 외측면에 밀착되고, 상기 셀하우징에 결합되는 방열커버;
를 포함하는 적어도 하나 이상의 서브모듈;을 구비하는 것을 특징으로 하는 배터리 모듈.
Two cells electrically connected to each other;
An elastic member positioned between the cells;
A cell housing in which the cell is seated; And
A heat dissipation cover in close contact with an outer surface of the cell and coupled to the cell housing;
At least one submodule comprising a; battery module comprising a.
제 1항에 있어서,
상기 셀하우징은 좌우 측면에 돌출부가 형성되어 있고, 상기 방열커버에 결합홀이 천공되어 있어, 상기 돌출부에 상기 결합홀이 삽입되어 상기 방열커버가 상기 셀하우징에 고정되는 것을 특징으로 하는 배터리모듈.
The method of claim 1,
The cell housing has a protrusion formed at left and right sides thereof, and a coupling hole is formed in the heat dissipation cover, and the coupling hole is inserted into the protrusion to fix the heat dissipation cover to the cell housing.
제 1항에 있어서,
상기 방열커버가 금속재질로 제작되는 것을 특징으로 하는 배터리모듈.
The method of claim 1,
Battery module characterized in that the heat dissipation cover is made of a metal material.
제 1항에 있어서,
상기 서브모듈이 안착되는 안착부를 포함하는 모듈하우징;
상기 서브모듈의 상부에 결합되고, 상기 서브모듈 간의 PCB를 이용하여 전기적인 연결을 하는 모듈커버;를 포함하는 것을 특징으로 하는 배터리모듈.
The method of claim 1,
A module housing including a seating portion on which the submodule is seated;
And a module cover coupled to an upper portion of the submodule and configured to electrically connect using the PCB between the submodules.
제 4항에 있어서,
상기 서브모듈이 일정간격으로 서로 이격되어, 상기 모듈하우징에 안착되는 것을 특징으로 하는 배터리모듈5. The method of claim 4,
The battery module, characterized in that the sub-module is spaced apart from each other at a predetermined interval, seated in the module housing
KR1020120046050A 2012-05-02 2012-05-02 Battery module KR20130122996A (en)

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KR20100109872A (en) * 2009-04-01 2010-10-11 주식회사 엘지화학 Battery module having excellent heat dissipation ability and battery pack employed with the same
KR20100122057A (en) * 2009-05-11 2010-11-19 주식회사 엘지화학 Battery cartridge having elastic pressing member, and battery module containing the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112563635A (en) * 2020-12-10 2021-03-26 上海兰钧新能源科技有限公司 Battery module and car
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