KR20150066159A - Can assay of litium ion battery with high capacity and power - Google Patents
Can assay of litium ion battery with high capacity and power Download PDFInfo
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- KR20150066159A KR20150066159A KR1020130151364A KR20130151364A KR20150066159A KR 20150066159 A KR20150066159 A KR 20150066159A KR 1020130151364 A KR1020130151364 A KR 1020130151364A KR 20130151364 A KR20130151364 A KR 20130151364A KR 20150066159 A KR20150066159 A KR 20150066159A
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- 238000003556 assay Methods 0.000 title 1
- 239000012528 membrane Substances 0.000 claims abstract description 13
- 239000012212 insulator Substances 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 17
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 17
- 239000007789 gas Substances 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular cells
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
Description
본 발명은 고용량, 고출력 리튬이온전지 캡 조립체에 관한 것으로 더욱 상세하게는, 리튬이온전지 내부의 이상압력이 발생되는 경우 내부 기체의 유출을 효율적으로 유도하여 폭발사고를 미연에 방지할 수 있는 고용량, 고출력 리튬이온전지 캡 조립체에 관한 것이다.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a high capacity, high output lithium ion battery cap assembly, and more particularly, to a high capacity, high output lithium ion battery cap assembly capable of efficiently discharging internal gas, To a high output lithium ion battery cap assembly.
통상적으로, 이차전지는 충전이 불가능한 일차 전지와는 달리 충전 및 방전이 가능한 전지를 말하는 것으로서, 셀룰라 폰, 노트북 컴퓨터, 캠코더, 전기 자동차, 전기 자전거, 무정전 전원장치(UPS)등과 같은 전자 기기 분야에서 널리 사용중이다. 이중에서, 리튬이차전지는 니켈-카드뮴 전지나, 니켈-수소 전지보다 단위 중량당 에너지 밀도가 높아서 급속도로 신장되고 있는 추세이다.2. Description of the Related Art In general, a secondary battery refers to a battery capable of being charged and discharged, unlike a primary battery that can not be charged. In the field of electronic devices such as a cellular phone, a notebook computer, a camcorder, an electric vehicle, an electric bicycle and an uninterruptible power supply Widely used. Among them, the lithium secondary battery has a higher energy density per unit weight than a nickel-cadmium battery or a nickel-hydrogen battery, and is rapidly growing.
리튬이차전지는 주로 양극 활물질로 리튬계 산화물, 음극 활물질로 탄소재를 사용하고 있다. Lithium secondary battery mainly uses lithium oxide as a cathode active material and carbonaceous material as an anode active material.
이러한 리튬이차전지는 전해액의 종류에 따라 액체 전해질 전지와, 고분자 전해질 전지로 분류되며, 액체 전해질을 사용하는 전지를 리튬이온전지라 하고, 고분자 전해질을 사용하는 전지를 리튬폴리머전지라고 한다. Such a lithium secondary battery is classified into a liquid electrolyte battery and a polymer electrolyte battery depending on the kind of electrolyte, and a battery using a liquid electrolyte is called a lithium ion battery and a battery using a polymer electrolyte is called a lithium polymer battery.
상기 리튬이온전지는 전지부가 수용되는 케이스의 형상에 따라서 원통형 및 각형으로 된 캔형 전지와, 유연성을 가지는 파우치형 전지로 구분할 수 있다.The lithium-ion battery can be classified into a can-type battery having a cylindrical shape and a square shape, and a pouch-type battery having flexibility according to the shape of the case in which the battery part is accommodated.
특히 전기자동차나 하이브리드 전기자동차용 전지는 복수개가 직렬 및 병렬로 접속되어 사용되기 때문에, 공간 효율이 좋은 각형 전지가 요구되고 있다.Particularly, since a plurality of electric automobiles and hybrid electric automobile batteries are connected in series and in parallel, a prismatic battery having a good space efficiency is required.
한편, 셀룰라 폰이나, 노트북 컴퓨터나, 캠코더와 같은 소형의 전자 기기뿐만 아니라, 환경보호 운동의 고조를 배경으로 이산화탄소 가스 등의 배출 규제가 강화되고 있기 때문에, 자동차 업계에서는 가솔린, 디젤유, 천연가스 등의 화석연료를 사용하는 자동차뿐만 아니라 고출력, 대용량의 에너지가 요구되는 전원 장비 전원에 사용하기 위한 전기자동차(EV)나 하이브리드 전기자동차(HEV)의 개발이 활발하게 수행되고 있으며, 근래의 화석연료 가격의 급격한 상승은 이러한 EV나 HEV의 개발을 추진시키는 힘이 되고 있다..On the other hand, in addition to small-sized electronic devices such as cellular phones, notebook computers, and camcorders, regulations for emission of carbon dioxide gas and the like have been strengthened due to the heightened environmental protection movement. Therefore, in the automobile industry, (EV) or a hybrid electric vehicle (HEV) for use in a power supply system requiring high output and a large amount of energy as well as an automobile using fossil fuels such as a fossil fuel A sharp rise in prices is driving the development of EVs and HEVs.
이에 대한민국공개특허공보 제2009-124933호에서는 정극 집전부재(16) 및 부극 집전부재(18) 중 적어도 어느 한쪽에 절연 시트(32)와 접촉하여 편평 형상 전극체(11)와 전지 외장캔(12)의 위치를 고정하는 돌기(29Ab,29Bb)로 이루어진 고정부가 설치되어 있고, 상기 돌기(29Aa,29Ab,29Ba,29Bb)와 상기 전지 외장캔(12) 사이에 절연 시트(32)가 배치되어 있는 동시에, 상기 돌기(29Ab,29Bb)의 선단부는 상기 편평 형상 전극체(11)보다 상기 전지 외장캔(12) 측에 돌출하고 있는 동시에, 이 돌출부의 높이가 절연 시트(32)의 두께보다 작은 높이가 되도록 하는 기술을 개시하여, 정극 집전부재 내지 부극 집전부재와 전지 외장캔 사이의 단락 고장이 억제되어, 안전성이 뛰어난 EV용 내지 HEV용의 각형전지로 유용하게 사용하는 기술이 개시되어 있으나, 리튬이온전지 내부의 이상압력이 발생되는 경우 리튬이온전지가 폭발하는 위험성을 여전히 가지고 있는 문제가 있다.
In Korean Patent Laid-Open Publication No. 2009-124933, at least one of the positive electrode current collecting member 16 and the negative electrode current collecting member 18 is brought into contact with the insulating sheet 32 to form the flat electrode member 11 and the battery case 12 And the insulating sheet 32 is disposed between the protrusions 29Aa, 29Ab, 29Ba, and 29Bb and the battery case 12, At the same time, the tips of the projections 29Ab and 29Bb protrude from the battery case 12 toward the battery can 12, and the height of the protrusions is smaller than the thickness of the insulating sheet 32 Discloses a technology that is usefully used as a prismatic battery for EV to HEV, in which short-circuit failure between the positive electrode current collector and the negative electrode current collector and the battery outer can is suppressed, The abnormal pressure inside the ion battery If life is a problem that still has the risk that the lithium-ion battery explosion.
따라서, 본 발명이 해결하고자 하는 기술적 과제는 리튬이온전지 내부의 이상압력이 발생되는 경우 내부 기체의 유출을 효율적으로 유도하여 폭발사고를 미연에 방지할 수 있는 고용량, 고출력 리튬이온전지 캡 조립체를 제공하는 것이다.
SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a high-capacity, high-output lithium ion battery cap assembly capable of effectively preventing leakage of internal gas and preventing an explosion accident when an abnormal pressure is generated in the lithium ion battery .
본 발명은 상술한 기술적 과제를 해결하기 위하여, 평판형상으로 벤트홀, 멤브레인홀, 제1, 2전극홀을 구비한 캡플레이트와, 상기 캡플레이트에 부착되는 제1전극인 금속체로 된 제1집전판조립부와, 상기 캡플레이트에 부착되는 제2전극인 금속체로 된 제2집전판조립부 및 제1전극과 제2전극에서 연장된 전극단자부를 포함하는 것을 특징으로 하는 고용량, 고출력 리튬이온전지 캡 조립체를 제공한다.SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problems, the present invention provides a cap plate having a vent hole, a membrane hole, first and second electrode holes, a first plate A second current collecting plate assembly formed of a metal body and a second terminal attached to the cap plate, and an electrode terminal portion extended from the first electrode and the second electrode, wherein the high capacity, high output lithium ion battery Thereby providing a cap assembly.
본 발명의 일실시예에 의하면, 상기 벤트홀, 멤브레인홀을 벤트플레이트와 덮도록 부착되는 것일 수 있다.According to an embodiment of the present invention, the vent hole and the membrane hole may be attached so as to cover the vent plate.
본 발명의 다른 실시예에 의하면, 상기 제1전극, 제2전극은 제1, 2전극연결부와 각각 결합되는 것일 수 있다.According to another embodiment of the present invention, the first electrode and the second electrode may be coupled to the first and second electrode connection portions, respectively.
본 발명의 또 다른 실시예에 의하면, 상기 제1, 2전극연결부는 제1, 2전극홀에 삽입되는 것일 수 있다.According to another embodiment of the present invention, the first and second electrode connection portions may be inserted into the first and second electrode holes.
본 발명의 또 다른 실시예에 의하면, 상기 제 1, 2전극연결부중 하나와 캡플레이트와의 사이에 절연체가 개재되는 것일 수 있다.According to another embodiment of the present invention, an insulator may be interposed between one of the first and second electrode connection portions and the cap plate.
본 발명의 또 다른 실시예에 의하면, 상기 제 1, 2전극연결부의 상부에 제1, 2전극단자가 체결되는 것일 수 있다.According to another embodiment of the present invention, the first and second electrode terminals may be fastened to the upper portions of the first and second electrode connection portions.
본 발명의 고용량, 고출력 리튬이온전지 캡 조립체에 의하면, 리튬이온전지 내부의 이상압력이 발생되는 경우 내부 기체의 유출을 효율적으로 유도하여 폭발사고를 미연에 방지할 수 있다.
According to the high capacity, high output lithium ion battery cap assembly of the present invention, when an abnormal pressure is generated in the lithium ion battery, the outflow of the internal gas can be effectively guided to prevent the explosion accident.
도 1은 본 발명에 따르는 캡조립체의 제조 전공정을 나타낸 도면이고,
도 2는 본 발명의 캡조립체 중 제1, 2전극의 조립을 개략적으로 보여주는 도면이며,
도 3은 본 발명의 캡조립체 중 연결단자의 조립을 개략적으로 나타내는 그림이다.1 is a view showing a pre-manufacturing process of a cap assembly according to the present invention,
FIG. 2 is a view schematically showing the assembly of the first and second electrodes of the cap assembly of the present invention,
FIG. 3 is a view schematically showing assembly of connection terminals among the cap assembly of the present invention.
이하에서는 본 발명을 상세하게 설명하는데, 첨부된 도면을 참고하되, 첨부된 도면은 본 발명을 상세하게 설명하기 위하여 과장되거나 개념적으로 표현된 것이며, 이에 표현된 크기나 형상이 이에 한정되어 해석될 것은 아니다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. no.
또한, 본 발명의 상기와 같은 목적, 특징 및 다른 장점들은 본 발명의 바람직한 실시예를 상세히 설명함으로써 더욱 명백해질 것이다. These and other objects, features and other advantages of the present invention will become more apparent by describing in detail preferred embodiments of the present invention.
본 발명에 따르는 고용량, 고출력 리튬이온전지 캡 조립체는 평판형상으로 벤트홀, 멤브레인홀, 제1, 2전극홀을 구비한 캡플레이트와, 상기 캡플레이트에 부착되는 제1전극인 금속체로 된 제1집전판조립부와, 상기 캡플레이트에 부착되는 제2전극인 금속체로 된 제2집전판조립부 및 제1전극과 제2전극에서 연장된 전극단자부를 포함하는 특징이 있다.A high capacity, high output lithium ion battery cap assembly according to the present invention comprises a cap plate having a vent hole, a membrane hole, first and second electrode holes in a flat plate shape, a first plate A second current collecting plate assembly formed of a metal body, a second electrode attached to the cap plate, and an electrode terminal extending from the first electrode and the second electrode.
상기 캡플레이트는 금속재가 바람직하며, 벤트홀, 멤브레인홀, 제1, 2전극홀이 타공되어 있어, 이후에 벤트플레이트와 멤브레인플레이트가 부착될 수 있도록 하여 캡조립체의 내부에 이상압력이 발생하는 비상시에 먼저 파열되도록 구현된다.The cap plate is preferably made of a metal material. The vent plate, the membrane hole, the first and second electrode holes are formed, and then the vent plate and the membrane plate can be attached to the cap plate. As shown in FIG.
따라서 그 표면에는 노치(notch)가 구비되어 파열되는 압력을 용이하게 조절할 수 있다. Therefore, a notch can be provided on the surface thereof to easily control the rupture pressure.
아울러, 상기 벤트플레이트와 멤브레인플레이트가 벤트홀, 멤브레인홀을 각각 덮도록 부착될 수 있는데, 상기 벤트홀, 멤브레인홀의 외주면에 용접으로 견고히 부착되는 방법이 바람직하다.In addition, the vent plate and the membrane plate may be attached so as to cover the vent hole and the membrane hole, respectively. Preferably, the vent plate and the membrane plate are firmly attached to the outer circumferential surface of the vent hole and the membrane hole by welding.
또한, 상기 제1전극, 제2전극은 제1, 2전극연결부와 각각 결합되는 것일 수 있는, 상기 제1, 2전극은 리튬이온전지와 전극반응이 효율적으로 생기도록 넓은 표면적을 가지는 형상으로 다양하게 구비될 수 있으며, 여기에는 제1, 2전극연결부가 각각 결합되는데, 상기 제1, 2전극연결부는 제1, 2전극홀에 삽입되는 형태가 바람직하다.The first electrode and the second electrode may be respectively coupled to the first and second electrode connection portions. The first and second electrodes may be formed into a shape having a large surface area such that the electrode reaction with the lithium ion battery is efficiently performed. The first and second electrode connection portions are respectively coupled to the first and second electrode connection portions. The first and second electrode connection portions are inserted into the first and second electrode holes.
여기서, 제1, 2전극과 캡플레이트가 모두 통전되면 리튬이온전지가 작동되지 아니하므로, 상기 제 1, 2전극연결부중 하나와 캡플레이트와의 사이에 절연체가 개재되는 것이 바람직하며, 일례로 음극으로 사용되는 전극에 상기 절연체를 개재할 수 있다.Here, if both the first and second electrodes and the cap plate are energized, the lithium ion battery is not operated, so that an insulator is preferably interposed between one of the first and second electrode connection parts and the cap plate. For example, The insulator may be interposed between the electrodes.
아울러, 상기 제 1, 2전극연결부의 상부에 제1, 2전극단자가 체결될 수 있는데, 상기 제1, 2전극단자는 외부 시스템이나 자동차에 전기를 공급하는 단자 역할을 한다.In addition, first and second electrode terminals may be fastened to the upper portion of the first and second electrode connection portions, and the first and second electrode terminals serve as terminals for supplying electricity to an external system or an automobile.
이러한 제1, 2전극단자는 상기 캡플레이트와 용접으로 고정될 수 있으며, 그에 앞서 리벳팅(riveting)으로 고정을 먼저 수행하여 제조공정상 편차나 리크(leakage)를 해소할 수 있다.The first and second electrode terminals may be fixed to the cap plate by welding. Prior to the fixation, riveting may be performed first to eliminate manufacturing deviation or leakage.
또한, 이러한 용접이나 리벳팅은 상기 캡플레이트와 이루어짐은 물론 더 상기 제1, 2전극과 같이 이루어질 수 있다.In addition, such welding or riveting can be performed not only with the cap plate but also with the first and second electrodes.
Claims (6)
상기 캡플레이트에 부착되는 제1전극인 금속체로 된 제1집전판조립부;
상기 캡플레이트에 부착되는 제2전극인 금속체로 된 제2집전판조립부; 및
제1전극과 제2전극에서 연장된 전극단자부;를 포함하는 것을 특징으로 하는 고용량, 고출력 리튬이온전지 캡 조립체.
A cap plate having a vent hole, a membrane hole, first and second electrode holes in a flat plate shape;
A first current collecting plate assembly formed of a metallic body that is a first electrode attached to the cap plate;
A second current collecting plate assembly formed of a metallic body that is a second electrode attached to the cap plate; And
And an electrode terminal portion extending from the first electrode and the second electrode.
상기 벤트홀, 멤브레인홀을 벤트플레이트와 멤브레인플레이트가 덮도록 부착되는 것을 특징으로 하는 고용량, 고출력 리튬이온전지 캡 조립체.
The method according to claim 1,
Wherein the vent hole and the membrane hole are attached so as to cover the vent plate and the membrane plate.
상기 제1전극, 제2전극은 제1, 2전극연결부와 각각 결합되는 것을 특징으로 하는 고용량, 고출력 리튬이온전지 캡 조립체.
The method according to claim 1,
Wherein the first electrode and the second electrode are coupled to the first and second electrode connection portions, respectively.
상기 제1, 2전극연결부는 제1, 2전극홀에 삽입되는 것을 특징으로 하는 고용량, 고출력 리튬이온전지 캡 조립체.
The method of claim 3,
Wherein the first and second electrode connection portions are inserted into the first and second electrode holes.
상기 제 1, 2전극연결부중 하나와 캡플레이트와의 사이에 절연체가 개재되는 것을 특징으로 하는 고용량, 고출력 리튬이온전지 캡 조립체.
The method of claim 3,
And an insulator is interposed between one of the first and second electrode connection parts and the cap plate.
상기 제 1, 2전극연결부의 상부에 제1, 2전극단자가 체결되는 것을 특징으로 하는 고용량, 고출력 리튬이온전지 캡 조립체.5. The method of claim 4,
And the first and second electrode terminals are fastened to the upper portions of the first and second electrode connection portions.
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| KR1020130151364A KR20150066159A (en) | 2013-12-06 | 2013-12-06 | Can assay of litium ion battery with high capacity and power |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937492A (en) * | 2016-11-01 | 2019-06-25 | 新乡能源电子有限公司 | The manufacturing device and its method of multi items lid assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109937492A (en) * | 2016-11-01 | 2019-06-25 | 新乡能源电子有限公司 | The manufacturing device and its method of multi items lid assembly |
| CN109937492B (en) * | 2016-11-01 | 2022-02-11 | 新乡能源电子有限公司 | Apparatus and method for manufacturing multi-variety cover assembly |
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