KR100411128B1 - Sealing structure of secondary battery terminal - Google Patents
Sealing structure of secondary battery terminal Download PDFInfo
- Publication number
- KR100411128B1 KR100411128B1 KR10-2001-0081237A KR20010081237A KR100411128B1 KR 100411128 B1 KR100411128 B1 KR 100411128B1 KR 20010081237 A KR20010081237 A KR 20010081237A KR 100411128 B1 KR100411128 B1 KR 100411128B1
- Authority
- KR
- South Korea
- Prior art keywords
- terminal
- gasket member
- gasket
- sealing structure
- secondary battery
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/561—Hollow metallic terminals, e.g. terminal bushings
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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
- H01M50/183—Sealing members
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
본 발명은 2차 전지용 단자 밀봉구조에 관한 것으로서, 2차 전지용 단자의 실링 구조에 있어서, 단자홀이 형성된 커버부재의 단자홀에 근접되게 커버부재의 상측면에 설치되며 상향 절곡부가 형성된 제1가스켓 부재와, 단자홀에 근접되며 상기 제1가스켓 부재와 대향되도록 상기 커버부재의 내측면에 설치되며 하향 절곡부가 형성된 제2가스켓 부재와, 제1가스켓 부재의 상측면에 마련되어 상기 제1가스켓 부재의 상향 절곡부가 삽입될 수 있도록 형성되며 중앙측은 상기 단자홀측으로 제1함몰부가 형성된 상부단자와, 제2가스켓 부재의 하측면에 마련되어 상기 제2가스켓 부재의 하향 절곡부가 삽입될 수 있도록 형성되며 중앙측은 상기 단자홀측으로 제2함몰부가 형성된 하부단자와, 일측은 상기 제1가스켓 부재와 상기 제2가스켓 부재 및 커버부재에 접촉되고, 타측은 상기 제1함몰부 및 제2함몰부에 접촉되도록 하여 상기 커버부재와 상기 단자가 통전되지 않도록 하는 부싱을 구비한다.The present invention relates to a terminal sealing structure for a secondary battery, the sealing structure of a terminal for a secondary battery, the first gasket is provided on the upper side of the cover member close to the terminal hole of the cover member formed with a terminal hole, the first gasket formed with an upward bent portion A second gasket member provided on an inner side surface of the cover member so as to be adjacent to the member, the terminal hole, and facing the first gasket member, and formed on a top side of the first gasket member; The upper bent portion is formed to be inserted and the center side is formed in the upper terminal formed with the first recessed portion to the terminal hole side, the lower side of the second gasket member is formed so that the downward bent portion of the second gasket member can be inserted. A lower terminal having a second recessed portion formed toward the terminal hole, and one side of which is in contact with the first gasket member, the second gasket member, and the cover member; And, the other side to ensure that the contact portion of the first depression and the second depression is provided with a bushing to prevent the cover member and the terminal is not energized.
Description
본 발명은 2차 전지용 단자 밀봉구조에 관한 것으로, 보다 상세하게는 전지 외관을 이루는 커버부재에 단자홀을 형성하고, 이 단자홀을 중심으로 그 상하측에 제1/제2가스켓 부재를 개재하여 상/하부단자를 설치하고 저항용접 또는 레이져 용접을 통하여 밀봉하여 제품을 균질화하고 제조단가가 절감되는 2차 전지용 단자 밀봉구조에 관한 것이다.The present invention relates to a terminal sealing structure for a secondary battery, and more particularly, a terminal hole is formed in a cover member forming a battery appearance, and the first and second gasket members are disposed on the upper and lower sides of the terminal hole. The present invention relates to a secondary battery terminal sealing structure in which upper and lower terminals are installed and sealed through resistance welding or laser welding to homogenize a product and reduce manufacturing cost.
일반적으로 2차 전지는 재충전이 가능한 전지를 말하는 것으로서, 이러한 2차 전지의 케이스가 플라스틱으로 이루어질 경우에는 플라스틱 케이스에 단자를 넣고 사출하거나, 단자와 플라스틱 케이스 사이에 부싱을 넣고 에폭시 계통으로 몰딩하는 방법이 사용되며, 케이스가 금속으로 이루어질 경우에는 케이스와 단자를 세라믹 종류로 실링(sealing)하거나 절연 와셔 및 스페이서를 사용하여 볼팅한다. 또한, 소형전지에서와 같이 케이스 자체가 단자 역할을 하는 경우도 있다.Generally, a secondary battery refers to a rechargeable battery. When the case of the secondary battery is made of plastic, a method of inserting a terminal into a plastic case and injecting it or inserting a bushing between the terminal and the plastic case and molding the epoxy system In this case, when the case is made of metal, the case and the terminal are sealed with a ceramic type or bolted using an insulating washer and a spacer. In addition, as in a small battery, the case itself may serve as a terminal.
그러나, 상기한 종래 2차 전지용 단자의 실링은 그 실링하는 조립공정이 복잡하여 제조원가가 상승되는 문제점이 있다.However, the conventional sealing of the secondary battery terminal has a problem in that the assembly process of sealing is complicated and the manufacturing cost is increased.
본 발명은 상기 전술한 바와 같은 문제점들을 해결하기 위해 창출된 것으로서, 2차 전지용 단자의 밀봉 공정을 단순화시키고 밀봉강도를 일정하게 하여, 내부 전극에서 외부단자까지의 저항을 최소화하고, 작업소요 비용을 절감하는 2차 전지용 단자 밀봉구조를 제공하는데 그 목적이 있다.The present invention was created to solve the above-mentioned problems, to simplify the sealing process of the terminal for the secondary battery and to keep the sealing strength constant, to minimize the resistance from the internal electrode to the external terminal, and to reduce the cost of working It is an object of the present invention to provide a terminal sealing structure for rechargeable secondary batteries.
도 1은 본 발명의 바람직한 실시예에 따른 2차 전지용 단자 밀봉구조를 개략적으로 도시한 단면도.1 is a cross-sectional view schematically showing a terminal sealing structure for a secondary battery according to a preferred embodiment of the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
10...제1가스켓 부재 11...커버부재10 ... First gasket member 11 ... Cover member
20...제2가스켓 부재 30...상부단자20 ... 2nd gasket member 30 ... upper terminal
31...제1함몰부 40...하부단자31.The first depression 40 ... The bottom terminal
41...제2함몰부 50...부싱41 2nd recess 50 ... bushing
상기 목적을 달성하기 위한 본 발명의 2차 전지용 단자 밀봉구조는, 2차 전지용 단자의 실링 구조에 있어서, 단자홀이 형성된 커버부재의 단자홀에 근접되게 커버부재의 상측면에 설치되며 상향 절곡부가 형성된 제1가스켓 부재; 상기 단자홀에 근접되며 상기 제1가스켓 부재와 대향되도록 상기 커버부재의 내측면에 설치되며 하향 절곡부가 형성된 제2가스켓 부재; 상기 제1가스켓 부재의 상측면에 마련되어 상기 제1가스켓 부재의 상향 절곡부가 삽입될 수 있도록 형성되며 중앙측은 상기 단자홀측으로 제1함몰부가 형성된 상부단자; 상기 제2가스켓 부재의 하측면에 마련되어 상기 제2가스켓 부재의 하향 절곡부가 삽입될 수 있도록 형성되며 중앙측은 상기 단자홀측으로 제2함몰부가 형성된 하부단자; 및 일측은 상기 제1가스켓 부재와 상기 제2가스켓 부재 및 커버부재에 접촉되고, 타측은 상기 제1함몰부 및 제2함몰부에 접촉되도록 하여 상기 커버부재와 상기 단자가 통전되지 않도록 하는 부싱을 구비되는 것을 특징으로 한다.The secondary battery terminal sealing structure of the present invention for achieving the above object, in the sealing structure of the terminal for the secondary battery, is installed on the upper side of the cover member to be close to the terminal hole of the cover member in which the terminal hole is formed and the upward bent portion A first gasket member formed; A second gasket member proximate to the terminal hole and installed on an inner surface of the cover member so as to face the first gasket member and having a downward bent portion; An upper terminal provided on an upper surface of the first gasket member so that an upward bent portion of the first gasket member may be inserted, and an upper terminal of which a first recess is formed at the center side of the first gasket member; A lower terminal provided on a lower side of the second gasket member so that the downward bent portion of the second gasket member may be inserted, and a center side of which is provided with a second recessed portion toward the terminal hole; And a bushing on which one side contacts the first gasket member, the second gasket member and the cover member, and the other side contacts the first recessed portion and the second recessed portion so that the cover member and the terminal are not energized. Characterized in that it is provided.
본 발명에 있어서, 상기 상/하부단자는 스틸에 니켈도금 처리한 재질로 이루어지는 것을 특징으로 한다.In the present invention, the upper and lower terminals are characterized in that the steel is made of a nickel-plated material.
본 발명에 있어서, 상기 제1가스켓 부재 또는 상기 제2가스켓 부재의 재질은 고무부재인 것을 특징으로 한다.In the present invention, the material of the first gasket member or the second gasket member is characterized in that the rubber member.
본 발명에 있어서, 상기 제1가스켓 부재 또는 상기 제2가스켓 부재는 압축률이 최초 상태의 5% 내지 45% 범위에서 선택되어 지는 것을 특징으로 한다.In the present invention, the first gasket member or the second gasket member is characterized in that the compressibility is selected in the range of 5% to 45% of the initial state.
이하 본 발명의 바람직한 실시예에 따른 2차 전지용 단자 밀봉구조를 첨부된 도면을 참조하여 상세히 설명한다. 그러나 본 발명은 이하에서 개시되는 실시예에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 것이며, 단지 본 실시예는 본 발명의 개시가 완전하도록 하며, 통상의 지식을 가진자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이다.Hereinafter, a terminal sealing structure for a secondary battery according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention and to those skilled in the art to fully understand the scope of the invention. It is provided to inform you.
도 1은 본 발명의 바람직한 실시예에 따른 2차 전지용 단자 밀봉구조를 개략적으로 도시한 단면도이다.1 is a cross-sectional view schematically showing a terminal sealing structure for a secondary battery according to a preferred embodiment of the present invention.
도 1에 도시된 바와 같이, 본 발명에 따른 2차 전지용 단자 밀봉구조(100)는, 전지의 외관을 이루는 커버부재(11)의 외측에 마련된 제1가스켓 부재(10)와, 상기 커버부재(11)의 내측에 마련되는 제2가스켓 부재(20)와, 상기 제1가스켓 부재(10)의 상측에 마련되며 제1함몰부(31)가 형성된 상부단자(30)와, 상기 제2가스켓 부재(20)의 하측에 마련되며 제2함몰부(41)가 형성된 하부단자(40)와, 상기 커버부재(11)와 상/하부단자(30)(40)가 상호 통전되지 않도록 하는 부싱(50)을 구비한다.As shown in FIG. 1, the terminal sealing structure 100 for a secondary battery according to the present invention includes a first gasket member 10 provided at an outer side of a cover member 11 forming an external appearance of a battery, and the cover member ( 11) a second gasket member 20 provided inside the upper portion, an upper terminal 30 provided above the first gasket member 10 and having a first recessed portion 31 formed therein, and the second gasket member. The lower terminal 40 is provided on the lower side of the 20, the bushing 50 to prevent the second terminal portion 41 is formed, the cover member 11 and the upper and lower terminals 30, 40 are not energized with each other. ).
상기 제1가스켓 부재(10)는 커버부재(11)의 단자홀(13)에 근접되도록 커버부재(11)의 상측면에 설치되며, 상향 절곡부(15)가 형성된다.The first gasket member 10 is installed on the upper side of the cover member 11 to be close to the terminal hole 13 of the cover member 11, and an upward bent portion 15 is formed.
그리고, 상기 제1가스켓 부재(10)와 대향되도록, 커버부재(11)의 하측면에는 제2가스켓 부재(20)가 설치되며, 하향 절곡부(21)가 형성된다. 상기 제1가스켓 부재(10)와 제2가스켓 부재(20)는 각각 상부단자(30)와 하부단자(40)를 커버부재(11)에 설치하기 위한 부재를 말한다. 상기 제1가스켓 부재(10)와 제2가스켓 부재(20)의 재질은 볼소치환한 고무부재로 이루어짐이 바람직하며, 외력의 작용시 압축률은 최초 상태의 5% 내지 45%의 범위에서 선택되어 지는 것이 바람직하다.In addition, a second gasket member 20 is installed on the lower side of the cover member 11 so as to face the first gasket member 10, and a downwardly bent portion 21 is formed. The first gasket member 10 and the second gasket member 20 refer to members for installing the upper terminal 30 and the lower terminal 40 to the cover member 11, respectively. The material of the first gasket member 10 and the second gasket member 20 is preferably made of a rubber-substituted rubber member, and the compression ratio when the external force is applied is selected in the range of 5% to 45% of the initial state. It is preferable.
상기 상부단자(30)는 제1가스켓 부재(10)의 상향 절곡부(15)가 삽입될 수 있도록 형성되며 중앙측에는 단자홀(13) 측으로 함몰된 제1함몰부(31)가 형성된다.The upper terminal 30 is formed so that the upward bent portion 15 of the first gasket member 10 can be inserted, and the first recess 31 recessed toward the terminal hole 13 is formed at the center thereof.
또한, 상기 하부단자(40)는 제2가스켓 부재(20)의 하향 절곡부(21)가 삽입될 수 있도록 형성되며 그 대략 중앙측에는 단자홀(13) 측으로 함몰된 제2함몰부(41)가 형성된다. 상기 상부단자(30)와 하부단자(40)는 스틸재질에 니켈 도금 처리한 부재로 이루어짐이 바람직하다.In addition, the lower terminal 40 is formed so that the downward bent portion 21 of the second gasket member 20 can be inserted, and the second recessed portion 41 recessed toward the terminal hole 13 side is substantially at the center side thereof. Is formed. The upper terminal 30 and the lower terminal 40 is preferably made of a nickel plated member on a steel material.
그리고, 상기 커버부재(11)와 상/하부단자(30)(40)의 사이에는 부싱(50)이 개재된다.In addition, a bushing 50 is interposed between the cover member 11 and the upper and lower terminals 30 and 40.
상기 부싱(50)은 커버부재(11)와 상/하부단자(30)(40)가 상호 통전되지 않도록 사이에 개재된다. 구체적으로, 상기 부싱(50)의 일측은 제1가스켓 부재(10)와 제2가스켓 부재(20) 및 커버부재(11)에 접촉되며, 타측은 상부단자(30)의 제1함몰부(31)와 하부단자(40)의 제2함몰부(41)에 접촉되어, 상/하부단자(30)(40)와 커버부재(11)가 도통되지 않도록 한다. 참조번호 51은 내부 컨넥터를 말한다. 상기와 같은 위치된 부재는 저항용접 또는 레이져 용접에 의하여 최종 밀봉된다.The bushing 50 is interposed between the cover member 11 and the upper / lower terminals 30 and 40 so as not to be energized with each other. Specifically, one side of the bushing 50 is in contact with the first gasket member 10 and the second gasket member 20 and the cover member 11, the other side of the first recessed portion 31 of the upper terminal 30 ) And the second recessed portion 41 of the lower terminal 40 to prevent the upper and lower terminals 30 and 40 and the cover member 11 from conducting. Reference numeral 51 denotes an internal connector. Such positioned members are finally sealed by resistance welding or laser welding.
상기의 구성을 갖는 본 발명에 따른 2차 전지용 단자 밀봉구조의 작용을 설명한다.The function of the terminal sealing structure for secondary batteries which concerns on this invention which has the said structure is demonstrated.
본 발명에 따른 2차 전지용 단자 밀봉구조(100)의 단자홀(13)이 형성된 커버부재(11)의 단자홀(13)의 근접부에 각각 상/하향 절곡된 절곡부가 형성된 제1가스켓 부재(10) 및 제2가스켓 부재(20)를 설치한다.A first gasket member having a bent portion bent up and down, respectively, in a proximal portion of the terminal hole 13 of the cover member 11 in which the terminal hole 13 of the terminal sealing structure 100 for a secondary battery according to the present invention is formed. 10) and the second gasket member 20 are installed.
다음, 상기 제1가스켓 부재(10)의 상측에 상부단자(30)를 설치하고, 제2가스켓 부재(20)의 하측에 하부단자(40)를 설치한다.Next, the upper terminal 30 is installed above the first gasket member 10, and the lower terminal 40 is installed below the second gasket member 20.
여기서, 상/하부단자(30)(40)와 제1/제2가스켓 부재(10)(20)는 부싱(50)에 의하여 상호 도통도지 않도록 절연된다.Here, the upper and lower terminals 30 and 40 and the first and second gasket members 10 and 20 are insulated from each other by the bushing 50 so as not to be connected to each other.
이와 같이 설치된 상기 부재는 저항 용접 또는 레이져용접에 의하여 최종 결합됨으로써, 부품 중량을 감소시키며, 조립공정을 단순화하여 제조원가의 절감을 가져온다.The member thus installed is finally joined by resistance welding or laser welding, thereby reducing component weight and simplifying the assembly process, resulting in a reduction in manufacturing cost.
상기와 같은 본 발명에 따른 2차 전지용 단자 밀봉구조는 다음과 같은 효과를 갖는다.The terminal sealing structure for a secondary battery according to the present invention as described above has the following effects.
전지 외관을 이루는 커버부재에 단자홀을 형성하고, 이 단자홀을 중심으로 그 상하측에 제1/제2가스켓 부재를 개재하여 상/하부단자를 설치하고 저항용접 또는 레이져용접을 통하여 밀봉함으로써, 내부전극에서 외부단자까지의 저항을 최소화할 수 있고 밀봉의 강도를 일정하게 하여 제품을 균질화 할 수 있으며, 이에 따라, 부품의 중량이 감소되고 제조단가가 절감된다.By forming a terminal hole in the cover member which forms the exterior of the battery, and installing the upper and lower terminals through the first and second gasket members at the upper and lower sides of the terminal hole, and sealing it by resistance welding or laser welding, The resistance from the internal electrode to the external terminal can be minimized and the strength of the seal can be made uniform to homogenize the product, thereby reducing the weight of the part and reducing the manufacturing cost.
이상, 본 발명을 도면에 도시된 실시예들을 참조하여 설명하였다. 그러나, 본 발명은 이에 한정되지 않고 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 본 발명과 균등한 범위에 속하는 다양한 변형예 또는 다른 실시예가 가능하다. 따라서, 본 발명의 진정한 보호범위는 이어지는 특허청구범위에 의해 정해져야 할 것이다.The present invention has been described above with reference to the embodiments shown in the drawings. However, the present invention is not limited thereto, and various modifications or other embodiments falling within the scope equivalent to the present invention are possible by those skilled in the art. Therefore, the true scope of protection of the present invention should be defined by the following claims.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0081237A KR100411128B1 (en) | 2001-12-19 | 2001-12-19 | Sealing structure of secondary battery terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0081237A KR100411128B1 (en) | 2001-12-19 | 2001-12-19 | Sealing structure of secondary battery terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20030050726A KR20030050726A (en) | 2003-06-25 |
| KR100411128B1 true KR100411128B1 (en) | 2003-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2001-0081237A KR100411128B1 (en) | 2001-12-19 | 2001-12-19 | Sealing structure of secondary battery terminal |
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| Country | Link |
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| KR (1) | KR100411128B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100590045B1 (en) * | 2004-11-30 | 2006-06-14 | 삼성에스디아이 주식회사 | Assembling Method of Secondary Battery and Secondary Battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08329910A (en) * | 1995-05-30 | 1996-12-13 | Sanyo Electric Co Ltd | Square battery |
| US6159630A (en) * | 1998-03-30 | 2000-12-12 | Renata Ag | Safety vent for storage battery or cell |
| KR20010105003A (en) * | 2000-05-18 | 2001-11-28 | 김순택 | Prismatic type sealed battery |
-
2001
- 2001-12-19 KR KR10-2001-0081237A patent/KR100411128B1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08329910A (en) * | 1995-05-30 | 1996-12-13 | Sanyo Electric Co Ltd | Square battery |
| US6159630A (en) * | 1998-03-30 | 2000-12-12 | Renata Ag | Safety vent for storage battery or cell |
| KR20010105003A (en) * | 2000-05-18 | 2001-11-28 | 김순택 | Prismatic type sealed battery |
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|---|---|
| KR20030050726A (en) | 2003-06-25 |
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