KR20020030133A - Lithium secondary battery - Google Patents

Lithium secondary battery Download PDF

Info

Publication number
KR20020030133A
KR20020030133A KR1020000060698A KR20000060698A KR20020030133A KR 20020030133 A KR20020030133 A KR 20020030133A KR 1020000060698 A KR1020000060698 A KR 1020000060698A KR 20000060698 A KR20000060698 A KR 20000060698A KR 20020030133 A KR20020030133 A KR 20020030133A
Authority
KR
South Korea
Prior art keywords
current collector
negative electrode
cathode
secondary battery
lithium secondary
Prior art date
Application number
KR1020000060698A
Other languages
Korean (ko)
Other versions
KR100388908B1 (en
Inventor
강순선
장윤한
고이케다케시
Original Assignee
김순택
삼성에스디아이 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김순택, 삼성에스디아이 주식회사 filed Critical 김순택
Priority to KR10-2000-0060698A priority Critical patent/KR100388908B1/en
Publication of KR20020030133A publication Critical patent/KR20020030133A/en
Application granted granted Critical
Publication of KR100388908B1 publication Critical patent/KR100388908B1/en

Links

Classifications

    • 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
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Secondary Cells (AREA)

Abstract

PURPOSE: Provided is a lithium secondary battery having an exterior material used as a cathode plate and a case, which can be used for portable small-sized electronic appliances. CONSTITUTION: The lithium secondary battery contains: an anode plate(30) comprising an anode current collector and an anode active material layer; insulating separators(40) mounted on the both sides of the anode plate(30); the exterior material(50) used as the cathode plate and the case, which contains a cathode current collector(51) made of stainless material for putting the anode plate(30), the separators(40), and an electrolyte therein and sealing and a cathode active material layer(53) coated on the inside of the cathode current collector(51) and faced with the separators(40); an anode tap(35) taped with an insulating tape(37) for the insulation against the cathode current collector(51); a cathode tap(51a).

Description

리튬 2차 전지{Lithium secondary battery}Lithium secondary battery

본 발명은 리튬 2차 전지에 관한 것으로, 보다 상세하게는 구조가 간단해진 리튬 2차 전지에 관한 것이다.The present invention relates to a lithium secondary battery, and more particularly to a lithium secondary battery with a simplified structure.

일반적으로, 2차전지는 충전이 안되는 1차 전지와는 달리 충방전이 가능한전지로서, 셀룰러폰, 노트북컴퓨터, 캠코더 등의 첨단전자기술분야에서 널리 통용되고 있다. 특히, 리튬 2차 전지는 작동전압이 약 3.6V로서, 니켈-카드늄전지나 니켈-수소전지의 3배에 해당되며 단위중량당 에너지밀도가 높다는 점에서 급속도로 신장되고 있는 추세다.In general, the secondary battery is a battery that can be charged and discharged, unlike a primary battery that is not charged, and is widely used in high-tech electronic fields such as cellular phones, notebook computers, camcorders, and the like. In particular, the lithium secondary battery has an operating voltage of about 3.6V, which is three times higher than that of a nickel-cadnium battery or a nickel-hydrogen battery, and is rapidly increasing in that energy density per unit weight is high.

이러한 리튬 2차 전지는 전해액의 종류에 따라 액체전해질 전지와 고분자 전해질 전지로 분류할 수 있으며, 일반적으로 액체 전해질을 사용하는 전지를 리튬-이온전지, 고분자 전해질을 사용하는 경우는 리튬-폴리머 전지라고 부른다.The lithium secondary battery may be classified into a liquid electrolyte battery and a polymer electrolyte battery according to the type of electrolyte. Generally, a battery using a liquid electrolyte is a lithium-ion battery, and a polymer electrolyte is a lithium-polymer battery. Call.

그리고, 리튬 2차 전지는 여러 가지 형상으로 제조가능한데, 대표적인 형상으로는 리튬-이온 전지에 주로 사용되는 원통형 및 각형을 들 수 있으며, 리튬-폴리머 전지는 그 형상이 비교적 자유롭다.In addition, the lithium secondary battery may be manufactured in various shapes, and typical shapes include cylindrical and square shapes mainly used in lithium-ion batteries, and lithium-polymer batteries are relatively free in shape.

이에 따라 최근 들어서는 리튬-폴리머 전지가 안정성과 형상의 자유도가 뛰어나고, 중량이 가벼워 휴대용 전자 기기의 슬림화 및 경량화에 대하여 다른 어떠한 전지보다도 유리하다고 할 수 있다.Accordingly, in recent years, lithium polymer batteries have excellent stability, freedom of shape, and light weight, and thus, may be advantageous to slimmer and lighter portable electronic devices than any other battery.

도 1은 일반적인 리튬 2차 전지를 나타내 보인 부분 단면도이다.1 is a partial cross-sectional view showing a typical lithium secondary battery.

도 1을 참조하면, 전지(10)는 상호 절연되는 상/하부 케이스(11a)(11b)로 된 케이스(11)와, 상기 케이스(11) 내부에 장착되는 전극 조립체(20)를 구비한다.Referring to FIG. 1, the battery 10 includes a case 11 formed of upper and lower cases 11a and 11b insulated from each other, and an electrode assembly 20 mounted inside the case 11.

상기 케이스(10)는 기본골격을 이루는 알루미늄(Al) 호일(foil)과, 그 알루미늄 호일의 내외곽에 고분자층이 적층된 구조를 갖는다.The case 10 has a structure in which an aluminum foil forming a basic skeleton and a polymer layer are stacked inside and outside the aluminum foil.

상기 전극 조립체(20)는 양극판(21)과 음극판(22)을 구비한다. 상기 양극판(21)과 음극판(22) 사이에는 두 극판(21)(22) 사이를 절연시키기 위한 세퍼레이터(23)가 설치된다.The electrode assembly 20 includes a positive electrode plate 21 and a negative electrode plate 22. A separator 23 is provided between the positive electrode plate 21 and the negative electrode plate 22 to insulate between the two electrode plates 21 and 22.

구체적으로, 도 2를 참조하면, 상기 음극판(21)은 양극집전체(21a)와 이 양극집전체(21a)의 일면에 마련되는 양극활물질층(21b)으로 구성된다. 음극판(22)은 음극집전체(22a)와, 음극집전체(22a)의 일면에 마련되는 음극활물질층(22b)으로 구성된다. 그리고, 상기 양극 및 음극집전체(21a)(22a) 각각의 단부에는 양극탭(24)과 음극탭(25)이 인출된다. 이 양극 및 음극탭(24)(25)은 케이스(11) 외부로 노출되는 양극단자(17)와 음극단자(미도시)에 용접된다.Specifically, referring to FIG. 2, the negative electrode plate 21 includes a positive electrode current collector 21 a and a positive electrode active material layer 21 b provided on one surface of the positive electrode current collector 21 a. The negative electrode plate 22 includes a negative electrode current collector 22a and a negative electrode active material layer 22b provided on one surface of the negative electrode current collector 22a. The positive electrode tab 24 and the negative electrode tab 25 are drawn out at ends of each of the positive and negative electrode current collectors 21a and 22a. The positive and negative electrode tabs 24 and 25 are welded to the positive electrode terminal 17 and the negative electrode terminal (not shown) which are exposed to the outside of the case 11.

상기와 같은 구성의 2차 전지는, 상기 전극 조립체(20)를 적층하여 제조한 뒤 외장제인 케이스(11)에 넣고 실링해야 한다. 이러한 구조의 2차 전지는 소형으로 제조가 가능하므로 휴대전화와 같은 소형 전자제품용으로는 적합하다.The secondary battery having the above-described configuration should be manufactured by stacking the electrode assemblies 20 and sealing them in a case 11 that is an exterior material. Since the secondary battery having such a structure can be manufactured in a small size, it is suitable for small electronic products such as mobile phones.

그런데, 최근에는 휴대전화를 비롯한 소형 전자제품이 더욱 슬림화 및 소형화되는추세인데 반해, 전지의 크기를 줄이는데는 어느 정도 한계가 있다. 즉, 지금까지의 전지는 적어도 상기 전극조립체와 케이스를 기본적인 구성요소로 구비함으로서, 전지의 크기를 줄이는데 어려움이 있었다. 또한, 각 전극단자 및 케이스를 조립 및 제조하는데 따른 비용도 높게 된다. 따라서, 앞으로는 부품을 줄이고 더욱 소형화할 수 있는 전지가 요구되고 있다.However, in recent years, while miniaturized electronic products such as mobile phones have become more slim and miniaturized, there are some limitations in reducing the size of a battery. That is, until now the battery has at least the electrode assembly and the case as a basic component, there was a difficulty in reducing the size of the battery. In addition, the cost of assembling and manufacturing each electrode terminal and case is also high. Therefore, in the future, there is a demand for a battery capable of reducing components and further miniaturization.

본 발명은 상기와 같은 문제점을 해결하기 위해 창안된 것으로, 구조가 간단하도록 개선된 리튬 2차 전지를 제공하는데 그 목적이 있다.The present invention was devised to solve the above problems, and an object thereof is to provide a lithium secondary battery improved in a simple structure.

도 1은 일반적인 리튬 2차 전지의 개략적인 부분단면도.1 is a schematic partial cross-sectional view of a typical lithium secondary battery.

도 2는 도 1의 전극 조립체를 발췌하여 나타내 보인 개략적인 사시도.FIG. 2 is a schematic perspective view illustrating an electrode assembly of FIG. 1.

도 3은 본 발명의 실시예에 따른 리튬 2차 전지의 개략적인 사시도.3 is a schematic perspective view of a lithium secondary battery according to an embodiment of the present invention.

도 4는 도 3의 개략적인 결합단면도.4 is a schematic cross-sectional view of FIG.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

30..음극판 31..음극집전체30. Cathode plate 31. Cathode current collector

33..음극활물질층 35..음극탭33. Cathode active material layer 35. Cathode tab

37..절연테이프 40..세퍼레이터37. Insulation tape 40. Separator

50..외장제 51..양극집전체50. Exterior 51..Anode collector

53..양극활물질층 55..도금층53. Cathode active material layer 55. Plating layer

상기 목적을 달성하기 위한 본 발명에 따른 리튬 2차 전지는, 음극집전체와, 상기 음극집전체의 외면에 마련된 음극활물질층을 구비한 음극판과; 상기 음극판의 양측에 설치되는 절연성 세퍼레이터; 및 상기 음극판과 세퍼레이터 및 전해액을 수용하여 실링하도록 스테인레스 재질로 된 양극집전체와, 상기 양극집전체의 상기 세퍼레이터와 마주하는 내측에 코팅형성된 양극활물질층을 구비하는 양극판 일체형 외장제;를 포함하는 것을 특징으로 한다.Lithium secondary battery according to the present invention for achieving the above object, the negative electrode plate and the negative electrode plate having a negative electrode active material layer provided on the outer surface of the negative electrode current collector; An insulating separator provided at both sides of the negative electrode plate; And a positive electrode plate integrated exterior material including a positive electrode current collector made of stainless material to receive and seal the negative electrode plate, the separator, and the electrolyte, and a positive electrode active material layer coated on an inner side facing the separator of the positive electrode current collector. It features.

이하 첨부된 도면을 참조하여 본 발명의 바람직한 실시예에 따른 리튬 2차 전지를 자세히 설명하기로 한다.Hereinafter, a lithium secondary battery according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 3을 참조하면, 본 발명의 실시예에 따른 리튬 2차 전지는, 음극판(30)과, 세퍼레이터(40) 및 양극판 일체형 외장제(50)를 구비한다.Referring to FIG. 3, a lithium secondary battery according to an exemplary embodiment of the present invention includes a negative electrode plate 30, a separator 40, and a positive electrode plate integral packaging material 50.

상기 음극판(30)은 상기 세퍼레이터(40) 사이에 개재되도록 설치된다. 이러한 음극판(30)은 도 4에 도시된 바와 같이, 음극집전체(31)와, 상기 음극집전체(31)의 외곽에 마련된 음극활물질층(33)을 구비한다. 상기 음극 집전체(31)의 일측에는 상기 외장제(50)의 외측으로 노출되도록 음극탭(35)이 인출되어 있다. 또한, 상기 음극탭(35)의 외측에는 후술할 양극집전체(51)와의 절연을 위한 절연테이프(37)가 테이핑되어 있다. 상기 절연테이프(37)는 절연성 및 접착성이 우수한 폴리아미드(polyamide)계 물질로 이루어진 것이 바람직하다.The negative electrode plate 30 is installed to be interposed between the separators 40. As shown in FIG. 4, the negative electrode plate 30 includes a negative electrode current collector 31 and a negative electrode active material layer 33 provided at an outer side of the negative electrode current collector 31. One side of the negative electrode current collector 31 is drawn out of the negative electrode tab 35 so as to be exposed to the outside of the packaging material 50. In addition, an outer side of the negative electrode tab 35 is taped with an insulating tape 37 for insulating the positive electrode current collector 51 to be described later. The insulating tape 37 is preferably made of a polyamide-based material having excellent insulation and adhesion.

상기 세퍼레이터(40)는 음극판(30)과 외장제(50)를 절연시키기 위한 것으로, 소정 두께로 음극판(30)과 외장제(50) 사이에 개재된다.The separator 40 is to insulate the negative electrode plate 30 and the packaging material 50, and is interposed between the negative electrode plate 30 and the packaging material 50 with a predetermined thickness.

상기 외장제(50)는, 말 그대로 양극판의 기능과 케이스의 기능을 하도록 일체로 형성된 것으로, 상부 및 하부외장제(50a)(50b)를 구비한다. 상부 및 하부외장제(50a)(50b)는 서로 일면이 접합되고 세면이 개방된 구조로서, 그 사이에 상기 음극판(30), 세퍼레이터(40) 및 전해액이 수용되는 공간부가 마련된다. 여기서, 전지의 실링 즉, 외장제(50)의 실링은 상하부 외장제(50a)(50b) 각각의 마주하는 면을 심(seam)용접 또는 레이저(laser)용접함에 의해 이룰 수 있다.The sheath 50 is formed integrally so as to function as a positive electrode plate and a case, and includes upper and lower exterior agents 50a and 50b. The upper and lower exterior agents 50a and 50b have a structure in which one surface is bonded to each other and three surfaces are open, and a space part in which the negative electrode plate 30, the separator 40, and the electrolyte are accommodated is provided therebetween. Here, the sealing of the battery, that is, the sealing of the packaging material 50 may be achieved by seam welding or laser welding the facing surfaces of each of the upper and lower packaging materials 50a and 50b.

또한, 상기 외장제(50)는 기본 골격을 이루는 양극집전체(51)와, 상기 양극집전체(51)의 상기 세퍼레이터(40)에 마주하는 내면에 코팅형성된 양극활물질층(53)을 구비한다. 상기 양극집전체(51)는 스테인레스 호일로 이루어진다. 이러한 양극집전체(51)는 약 10 ∼100㎛m의 두께를 갖는 것이 좋다. 또한, 양극집전체(51)의 일측에는 양극탭(51)이 인출된다. 양극집전체(51)의 외측에는 양극집전체(51)의 부식 등을 방지하도록 티켈(Ni) 또는 크롬(Cr)으로 도금된 도금층(55)이 마련된다. 상기 도금층(55)은 약 1 ∼ 10㎛의 얇은 두께로 형성되는 것이 좋다. 이와 같은 구성을 가지는 외장제(50)는 양극판과 케이스의 기능을 모두 갖는 것으로, 종래와 같은 별도의 케이스가 불필요하게 된다. 그리고, 전지를 약 1 ∼ 5㎜의 두께로 얇게 제작할 수 있게 된다. 따라서, 크기 및 무게를 효과적으로 줄임으로써, 휴대용 소형 전자기기에 유용하게 사용될 수 있다.In addition, the package 50 includes a positive electrode current collector 51 forming a basic skeleton, and a positive electrode active material layer 53 coated on an inner surface of the positive electrode current collector 51 facing the separator 40. . The positive electrode current collector 51 is made of stainless foil. The positive electrode current collector 51 preferably has a thickness of about 10 to 100 μm. In addition, the positive electrode tab 51 is drawn out on one side of the positive electrode current collector 51. On the outside of the positive electrode current collector 51, a plating layer 55 plated with titanium (Ni) or chromium (Cr) is provided to prevent corrosion of the positive electrode current collector 51. The plating layer 55 is preferably formed to a thin thickness of about 1 ~ 10㎛. The packaging agent 50 having such a configuration has both a positive electrode plate and a case, and a separate case as in the prior art is not required. And a battery can be manufactured thin with the thickness of about 1-5 mm. Therefore, by effectively reducing the size and weight, it can be usefully used in portable small electronic devices.

또한, 상기 음극탭(35)이 직접 외장제(50) 밖으로 인출되고, 양극탭(51a)은 외장제(50)로부터 직접 인출됨으로써, 음극 및 양극탭(35)(51a) 각각은 전극단자로 사용될 수 있게 된다. 따라서, 종래와 같이 별도의 전극단자를 설치할 필요가 없기 때문에 부품을 줄이고 제조공정을 줄일 수 있게 된다.In addition, the negative electrode tab 35 is directly drawn out of the exterior packaging material 50, and the positive electrode tab 51a is directly drawn out of the exterior packaging material 50, so that each of the negative electrode and the positive electrode tabs 35 and 51a serves as an electrode terminal. Can be used. Therefore, since there is no need to install a separate electrode terminal as in the prior art, it is possible to reduce the parts and the manufacturing process.

이상에서 설명한 바와 같은 본 발명에 따른 리튬 2차 전지에 따르면, 전지의 외장제를 전극으로 사용할 수 있도록 구성됨으로써, 부품이 줄어들어 제조공정을 줄일 수 있고, 단가를 낮출 수 있다.According to the lithium secondary battery according to the present invention as described above, by being configured to use the battery packaging material as an electrode, the number of parts can be reduced, the manufacturing process can be reduced, and the unit cost can be reduced.

또한, 전지의 경박단소화가 가능하게 소형의 휴대기기에 유용하게 채용될 수 있다.In addition, the battery can be usefully employed in a small portable device to enable a thin and short battery.

Claims (5)

음극집전체와, 상기 음극집전체의 외면에 마련된 음극활물질층을 구비한 음극판과;A negative electrode plate having a negative electrode current collector and a negative electrode active material layer provided on an outer surface of the negative electrode current collector; 상기 음극판의 양측에 설치되는 절연성 세퍼레이터; 및An insulating separator provided at both sides of the negative electrode plate; And 상기 음극판과 세퍼레이터 및 전해액을 수용하여 실링하도록 스테인레스 재질로 된 양극집전체와, 상기 양극집전체의 상기 세퍼레이터와 마주하는 내측에 코팅형성된 양극활물질층을 구비하는 양극판 일체형 외장제;를 포함하는 것을 특징으로 하는 리튬 2차 전지.And a cathode plate integrated exterior material having a cathode current collector made of stainless material to receive and seal the anode plate, the separator, and the electrolyte, and a cathode active material layer formed on the inner side facing the separator of the cathode current collector. A lithium secondary battery. 제1항에 있어서,The method of claim 1, 상기 음극집전체의 일단으로부터 인출되어 상기 외장제의 외측으로 노출되며, 그 외주에는 상기 양극 집전체와의 절연을 위한 절연테이프가 테이핑된 음극 탭과;A negative electrode tab drawn out from one end of the negative electrode current collector and exposed to the outside of the packaging material; 상기 양극 집전체의 일단으로부터 인출된 양극탭;을 포함하는 것을 특징으로 하는 리튬 2차 전지.And a positive electrode tab drawn out from one end of the positive electrode current collector. 제2항에 있어서,The method of claim 2, 상기 절연테이프는 폴리아미드(polyamide)계 재질로 이루어진 것을 특징으로 하는 리튬 2차 전지.The insulating tape is a lithium secondary battery, characterized in that made of polyamide (polyamide) material. 제1항에 있어서,The method of claim 1, 상기 양극 집전체의 적어도 일면에는 니켈(Ni) 또는 크롬(Cr)이 소정 두께로 도금되어 형성된 도금층이 마련된 것을 특징으로 하는 리튬 2차 전지.At least one surface of the positive electrode current collector is provided with a plating layer formed by plating nickel (Ni) or chromium (Cr) to a predetermined thickness. 제1항에 있어서, 상기 외장제는,The method of claim 1, wherein the packaging agent, 상기 음극판과, 상기 세퍼레이터 및 전해액을 밀폐시키도록 상하로 결합되는 상부 및 하부외장제를 구비하는 것을 특징으로 하는 리튬 2차 전지.And a top and bottom exterior agent coupled to the negative electrode plate and the top and bottom to seal the separator and the electrolyte solution.
KR10-2000-0060698A 2000-10-16 2000-10-16 Lithium secondary battery KR100388908B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2000-0060698A KR100388908B1 (en) 2000-10-16 2000-10-16 Lithium secondary battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2000-0060698A KR100388908B1 (en) 2000-10-16 2000-10-16 Lithium secondary battery

Publications (2)

Publication Number Publication Date
KR20020030133A true KR20020030133A (en) 2002-04-24
KR100388908B1 KR100388908B1 (en) 2003-06-25

Family

ID=19693652

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2000-0060698A KR100388908B1 (en) 2000-10-16 2000-10-16 Lithium secondary battery

Country Status (1)

Country Link
KR (1) KR100388908B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100614353B1 (en) * 2004-11-29 2006-08-21 삼성에스디아이 주식회사 Secondary battery
KR100659850B1 (en) * 2005-04-26 2006-12-19 삼성에스디아이 주식회사 Battery case using ferrite SUS and secondary battery using the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100786936B1 (en) 2004-10-14 2007-12-17 주식회사 엘지화학 Secondary battery with improved terminal properties
EP4407775A1 (en) * 2021-10-12 2024-07-31 LG Energy Solution, Ltd. Separator for electrochemical device and electrochemical device comprising same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124865A (en) * 1981-01-27 1982-08-03 Matsushita Electric Ind Co Ltd Production method of cell using nonaqueous electrolyte
JPS59207557A (en) * 1983-05-10 1984-11-24 Japan Storage Battery Co Ltd Closed lithium battery
JPH0494055A (en) * 1990-08-09 1992-03-26 Yuasa Corp Thin type cell
JPH076743A (en) * 1993-06-16 1995-01-10 Yuasa Corp Film battery and manufacture thereof
JP3896581B2 (en) * 1998-09-17 2007-03-22 株式会社ジーエス・ユアサコーポレーション Thin battery
JP3754223B2 (en) * 1999-03-17 2006-03-08 三洋電機株式会社 Thin battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100614353B1 (en) * 2004-11-29 2006-08-21 삼성에스디아이 주식회사 Secondary battery
KR100659850B1 (en) * 2005-04-26 2006-12-19 삼성에스디아이 주식회사 Battery case using ferrite SUS and secondary battery using the same

Also Published As

Publication number Publication date
KR100388908B1 (en) 2003-06-25

Similar Documents

Publication Publication Date Title
KR100627313B1 (en) Secondary battery
KR100870349B1 (en) Terminal of ProtectCircuit Module and Secondary Battery of using the same
KR100846955B1 (en) cylindrical secondary battery
EP2131419B1 (en) Battery Pack
EP2341567A1 (en) Secondary battery
KR20040100264A (en) Pouched-type lithium secondary battery and the fabrication method thereof
KR20120112991A (en) Secondary battery
CN113966562B (en) Rechargeable battery
KR100839783B1 (en) Secondary battery
KR20120099167A (en) Rechargeable battery
CN111276732A (en) Monomer formula battery and battery module
CN114365344A (en) Secondary battery
JP6272642B2 (en) Secondary battery
EP2978061B1 (en) Pouch-type secondary battery and secondary battery module comprising same
KR20040054113A (en) Pouched-type case and lithium secondary battery applying the same
KR101127606B1 (en) Secondary battery providing improved current collecting plate and the current collecting plate
KR100865399B1 (en) Secondary battery
KR20180120406A (en) Cylindrical Battery Cell Having Can of Dissimilar Metals
KR20040005243A (en) Battery unit and the lithium secondary battery applying the same
KR20060097485A (en) Assembly method for secondary battery
KR101121205B1 (en) Secondary battery
KR100388908B1 (en) Lithium secondary battery
KR100303541B1 (en) Lithium ion secondary battery
EP4258436A1 (en) Button-type secondary battery
KR100467702B1 (en) Prismatic type lithium secondary battery

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20130522

Year of fee payment: 11

FPAY Annual fee payment

Payment date: 20140526

Year of fee payment: 12

FPAY Annual fee payment

Payment date: 20150519

Year of fee payment: 13

FPAY Annual fee payment

Payment date: 20160518

Year of fee payment: 14

FPAY Annual fee payment

Payment date: 20170526

Year of fee payment: 15

FPAY Annual fee payment

Payment date: 20180518

Year of fee payment: 16