WO2001008248A1 - Cell and cell inspecting method - Google Patents
Cell and cell inspecting method Download PDFInfo
- Publication number
- WO2001008248A1 WO2001008248A1 PCT/JP1999/003940 JP9903940W WO0108248A1 WO 2001008248 A1 WO2001008248 A1 WO 2001008248A1 JP 9903940 W JP9903940 W JP 9903940W WO 0108248 A1 WO0108248 A1 WO 0108248A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- lead
- positive electrode
- negative electrode
- metal foil
- Prior art date
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
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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 of a single cell or a single battery
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
-
- 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
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/553—Terminals adapted for prismatic, pouch 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
- 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
- H01M50/564—Terminals characterised by their manufacturing process
-
- 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
-
- 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
Definitions
- An object of the present invention is to obtain a highly reliable battery having a reduced weight, a shielding effect, and no seal leakage.
- batteries used in portable electronic devices include NiCd (NiCd) batteries, NiMH (NiMH) batteries, and lithium-ion batteries.
- NiCd NiCd
- NiMH NiMH
- Li-ion batteries a bundle of a positive electrode, a separator, and a negative electrode, called a battery body, a battery core, or a battery element, is stored in a battery container.
- Metal cans such as stainless steel or aluminum were used.
- the material of the battery container is a so-called laminate sheet, which is a lighter material, in which a polyethylene film is bonded to both sides of aluminum foil to improve the weight energy density. Used.
- a metal can When a metal can is used for the battery case, one of The other pole and the battery can are electrically connected. If a metal can is used, the connection is easy.For example, if a metal can made of iron or stainless steel is used for the lithium-ion battery container, the metal can and the negative electrode are electrically connected and an aluminum can is used. In such a case, the metal can and the positive electrode are electrically connected.
- the reason for changing the connecting pole depending on the material of the battery can is to prevent corrosion of the battery can.
- the potential of the can matches the potential of the positive electrode or the negative electrode, and as a result, the battery element and the electric circuit that supplies the electric energy of the battery are electrically shielded (electromagnetically shielded). (Shielding, electrostatic shielding).
- the metal foil in the laminate sheet is not in contact with either the positive electrode or the negative electrode, and the potential is unstable. There was a problem that it could not be obtained.
- An object of the present invention is to provide a simple and reliable means for improving the shielding effect for a battery using a laminate sheet material for a battery container. Disclosure of the invention
- a first battery according to the present invention includes: a battery body having a positive electrode and a negative electrode; and an electrolyte layer provided between the positive electrode and the negative electrode; a positive electrode lead electrically connected to the positive electrode; A battery container comprising a connected negative electrode lead, a laminated sheet formed by laminating a polymer resin and a metal foil, accommodating the battery body, and sealing the positive electrode lead and the negative electrode lead to form a sealed structure.
- a connection means is provided for electrically connecting the metal foil to the positive electrode lead or the negative electrode lead. According to this, the potential of the battery container is simply and reliably maintained at the potential of the positive electrode or the negative electrode.
- the electric circuit connecting the body and the battery can be electrically shielded (electromagnetic shield, electrostatic shield).
- a second battery according to the present invention includes: a battery body having a positive electrode and a negative electrode; and an electrolyte layer provided between the positive electrode and the negative electrode; a positive electrode lead electrically connected to the positive electrode; A negative electrode lead connected thereto, an exterior lead provided separately from the positive electrode lead and the negative electrode lead, a laminate sheet formed by laminating a polymer resin and a metal foil, accommodating the battery body, and the positive electrode lead and the negative electrode A battery container having a hermetically sealed structure in which a lead and an exterior lead are sealed, and a connection means for electrically connecting a metal foil of the battery container to the exterior lead.
- the electric circuit connecting the battery body and the battery is maintained by a simple and reliable means (by applying a desired electric potential to the exterior lead from the outside) while maintaining the electric potential of the battery container at the desired electric potential.
- a simple and reliable means by applying a desired electric potential to the exterior lead from the outside) while maintaining the electric potential of the battery container at the desired electric potential.
- electrostatic shield electrostatic shield.
- a third battery according to the present invention in the first or second battery, wherein the connection means has a through-hole penetrating a laminate sheet constituting the battery container and a lead, and a wall surface of the through-hole.
- the metal foil of the battery container is electrically connected to the positive electrode lead or the negative electrode lead via a conductive member that is in contact with the battery container. According to this, the electric shield can be performed very simply, reliably, and without requiring extra space.
- a fourth battery according to the present invention is the battery according to the first or second battery, wherein the connecting means is provided on an overhanging portion that protrudes from a seal portion of a laminating sheet constituting the battery container. It is. According to this, the sealing function can be reliably maintained even when there is no room in the sealing portion.
- the connecting means forms an exposed portion by partially exposing the outer surface of the metal foil of the laminate sheet constituting the battery container. Electrical connection between exposed part and lead It was done. According to this, it is possible to perform electric shielding very simply, reliably, and without requiring extra space.
- an exposed portion is formed by partially exposing an outer surface of a metal foil of a laminate sheet constituting a battery container, and a voltage between the exposed portion and a lead, It compares the voltage between the lead and the negative electrode lead.
- the method of partially exposing the outer surface of the metal foil is burning off of the polymer resin by laser light. is there.
- the method of partially exposing the outer surface of the metal foil is by pressing a needle-shaped probe. According to the first to third battery inspection methods, the performance of the electric shield can be easily and reliably checked.
- FIG. 1 is a plan view (a) and a partial cross-sectional view (b) showing a battery according to a first embodiment of the present invention
- FIG. 2 is a cross-sectional view showing a structure of a battery body
- FIG. FIG. 4 is a plan view showing a test state of the battery according to the first embodiment in FIG. 4,
- FIG. 4 is a measurement result of an electric potential change of the battery according to the first embodiment in the present invention
- FIG. FIG. 6 is a plan view of a battery according to a third embodiment of the present invention
- FIG. 7 is a plan view of a battery according to a fourth embodiment of the present invention.
- FIG. 8 is a plan view of a battery according to a fifth embodiment of the present invention.
- FIG. 1 is a view showing a first embodiment of a battery according to the present invention, wherein (a) is a plan view and (b) is a cross-sectional view taken along line AA of (a).
- reference numeral 1 denotes a battery container made of an aluminum laminated sheet 7 for storing a battery body, a battery body storage portion 2 formed in a so-called flutter-cup shape, and a seal structure after storing the battery.
- a projecting portion 6 projecting from the sealing portion 3 as a part of the battery case 1, and the projecting portion 6 is connected to a positive electrode lead described later. They are provided at overlapping positions.
- 4 is a positive electrode lead electrically connected to the positive electrode of the battery body
- 5 is a connecting means made of a conductive member penetrating the overhang 6 and the positive electrode lead 4
- 7a is aluminum foil of the aluminum laminate sheet
- 7b Is an exterior sheet of aluminum foil 7a
- ⁇ c is an interior sheet of aluminum foil 7a
- the conductive member 5 is caulked
- the aluminum foil 7a of the overhang 6 and the positive electrode lead 4 are connected through the conductive member 5. Electrically connected.
- the conductive member 5 is shown as being formed of a hollow metal, but may be solid, and the aluminum foil 7a of the overhang 6 and the positive electrode lead 4 are electrically conductive. What is necessary is just to be electrically connected via the member 5, and various forms such as those in which the conductive member 5 is filled with a conductive resin and cured are applicable.
- the aluminum laminate sheet 7 is made by stacking a PET (polyethylene terephthalate) sheet as an exterior sheet 7b of an aluminum foil 7a and a PE (polyethylene) layer as an interior sheet 7c.
- the thickness of the aluminum foil 7a is 20 m
- the thickness of the interior sheet 7c is 90 zm
- the thickness of the exterior sheet 7b is 12 m.
- FIG. 2 is a cross-sectional view showing the structure of the battery body, where 8 is a positive electrode, and 9 is an electrolyte.
- An electrolyte layer such as a separator containing the same, 10 is a negative electrode, 11 is a positive electrode current collector, 12 is a positive electrode active material, 13 is a negative electrode active material, and 14 is a negative electrode current collector.
- the battery body configured as described above or a plurality of battery bodies stacked on each other is housed in the battery container shown in FIG. 1 to form a battery.
- the projecting portion 6 that is pressed by the conductive member 5 with the positive electrode lead 4 projects outside the heat-sealing seal portion 3.
- the overhanging width and length are sufficient if they are equivalent to the diameter of the conductive member 5. Bonding with the positive electrode lead 4 is possible even if the diameter is less than or equal to the diameter of the conductive member 5, but the probability that the metal foil in the laminate sheet will contact the conductive member 5 is reduced.
- the sealing portion 3 has If the width is not enough, there is a problem that the sealing ability is reduced. It is desirable that the diameter of the conductive member 5 be smaller than the width of the lead 4. This is because the conductive member 5 having a diameter larger than the lead width may cut the lead 4. In this example, a conductive member 5 having a diameter of 1.2 mm was used for a lead 4 having a width of 3 mm.
- the hole through which the conductive member 5 of the lead 4 and the overhang portion 6 penetrates may be opened in advance, or may be opened simultaneously by driving the conductive member 5.
- the diameter of the hole when previously opened is preferably equal to or smaller than the diameter of the conductive member 5. If a hole larger than the diameter of the conductive member 5 is formed, the probability that the conductive member 5 will come into contact with the metal foil in the lead 4 and the overhang portion 6 decreases.
- the position where the lead 4 and the overhang portion 6 are caulked by the conductive member 5 may be any position where the conductive member 5 contacts the lead 4 and the metal foil in the overhang portion 6, but the width of the lead 4 is not limited. It is preferable to be on the center line because the contact probability is the highest.
- the overhang portion 6 is arranged so as to overlap the lead 4.
- a part of the PET film on the surface of the battery case 1 was burned off with a carbon dioxide gas laser, the lead wire 10 was connected to the exposed portion 9 exposing the aluminum foil surface, and the positive electrode lead 4 and the negative electrode were connected.
- the voltage change between lead 8 and the voltage change between positive electrode lead 4 and lead wire 10 were measured.
- Fig. 4 shows the measurement results.
- 5 shows a voltage change between the lead 10 and the lead wire 10.
- the voltage change between the positive lead 4 and the negative lead 8 indicates a normal voltage change, and the voltage between the positive lead 4 and the lead 10 is 0 V—constant. Met. This result indicates that the potential of the battery container 1 is stable.
- the positive electrode lead is connected to the aluminum foil of the battery case.
- the negative electrode lead is used.
- the inner layer sheet of the battery container does not have electrochemical ion conductivity, it may be connected to the lead of any pole.
- FIG. 5 is a plan view showing a second embodiment of the battery of the present invention.
- reference numeral 11 denotes an exposed portion of the aluminum foil surface exposed by burning off the PET layer by a carbon dioxide laser
- reference numeral 12 denotes a stainless steel clip.
- the positive electrode lead 4 was bent so as to overlap the exposed portion 11, and was fixed with clips 12.
- the burning of the PET layer was performed under the conditions shown in Table 1.
- a needle-shaped probe was protruded from the surface of the battery case 1, and the voltage between the probe and the negative electrode lead 8 was compared with the voltage between the positive electrode lead 4 and the negative electrode lead 8. It is the same voltage like this Indicates that the aluminum foil of battery case 1 has the same potential as the positive electrode.
- the lead 4 or 8 is electrically connected to the exposed portion by bending it.
- various methods such as applying a conductive paste or attaching a conductive sheet are used. Connection means can be adopted.
- FIG. 6 is a plan view showing a third embodiment of the battery of the present invention.
- reference numeral 13 denotes an exterior lead
- 6 denotes an overhang extending from the seal portion 3 as a part of the battery container 1
- 5 denotes a conductive member, which penetrates the overhang 6 and the exterior lead 13.
- the aluminum foil of the overhang portion 6 and the exterior lead 13 are electrically connected via the crimped conductive member 5.
- the battery body has the structure shown in FIG. 2, and an aluminum laminate sheet is used as the material of the battery case 1.
- the battery container 1 includes a battery body housing portion side having a molded portion 2 formed in a so-called putter shape for housing the battery body, and a lid for overlapping the battery body housing portion to form a sealed structure. In addition, a lid is placed on the side of the battery housing section, and the four sides are sealed with a seal section 3.
- the aluminum laminate sheet is made by stacking PET (polyethylene terephthalate) sheet on the exterior of aluminum foil and CCP (unstretched polypropylene) on the interior. Aluminum foil thickness is 100 ⁇ m, CCP layer thickness is 40 m, the thickness of the PET layer is 12 Aim.
- the width and length of the overhang are sufficient if they are equivalent to the diameter of the conductive member 5. Even if the diameter is less than the diameter of the conductive member 5, bonding with the lead is possible, but the probability that the metal foil in the overhang 6 contacts the conductive member 5 decreases. It is desirable that the diameter of the conductive member 5 be smaller than the width of the exterior lead 13. This is because if the conductive member 5 has a diameter larger than the width of the exterior lead 13, the exterior lead 13 may be cut. In this example, a conductive member 5 having a diameter of 1.2 mm was used for a lead having a width of 3 mm.
- the hole through which the conductive member 5 of the exterior lead 13 and the overhanging portion 6 penetrate may be formed in advance, or may be formed simultaneously by driving the conductive member 5.
- the diameter of the hole when previously opened is preferably equal to or smaller than the diameter of the conductive member 5.
- the position at which the conductive lead 5 presses the exterior lead 13 and the overhang portion 6 may be any position as long as the conductive member 5 contacts the exterior lead 13 and the metal foil in the overhang portion 6. It is preferable to set the outer lead 13 on the center line of the width of the lead 13 because the contact probability becomes highest.
- the overhang portion 6 is naturally arranged so as to overlap the exterior lead 13.
- the exterior leads 13 are arranged so as to be in contact with each other at two locations on the battery body housing portion side and the lid side, and the conductive member 5 is penetrated and caulked.
- the exterior lead 13 is formed independently of the positive electrode lead and the negative electrode lead, a desired potential different from a normal positive electrode or negative electrode is applied to the battery container 1 via the exterior lead 13 by an external electric circuit. Can be given.
- Fig. 7 shows a battery whose shape is a so-called brown type.
- this battery both ends of an aluminum laminate sheet are joined (joining portion 14) to form an aluminum laminate sheet into a tube, and after the battery body is housed inside the tube, both sides of the tube are sealed ( Sealed structure is achieved by sealing 3).
- This embodiment is a battery similar to the first embodiment except that the shape of the battery container is a ratchet type shown in FIG.
- Embodiment 2 and Embodiment 3 can be applied to the round cell battery of this embodiment.
- FIG. 8 shows a battery in which the shape of the battery container is a so-called bottom cover type, wherein (b) is a plan view and (a) is a side shape.
- This battery is made by joining both ends of an aluminum laminate sheet (joining part 14) to form an aluminum laminate sheet cylinder. After the battery body is housed inside this cylinder, the battery is placed on both sides of the cylinder as shown in FIG. The closed structure is achieved by applying a bottom lid of the shape shown in a) and sealing (sealing part 3).
- This embodiment is a battery similar to the first embodiment except that the shape of the battery container is a bottom cover type shown in FIG.
- the second and third embodiments can be applied to the bottom cover type battery of this embodiment. Industrial applicability
- the battery according to the present invention can be used as a power source for portable telephones, wireless devices, personal computers, and the like that require an electric shield (electromagnetic shield, electrostatic shield).
- an electric shield electrostatic shield
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-7003543A KR100408140B1 (ko) | 1999-07-23 | 1999-07-23 | 전지 및 전지의 전기 쉴드의 검사 방법 |
EP99931498A EP1120846A4 (en) | 1999-07-23 | 1999-07-23 | CELL AND INSPECTION METHOD |
CNB998112445A CN1160821C (zh) | 1999-07-23 | 1999-07-23 | 电池和电池检查方法 |
PCT/JP1999/003940 WO2001008248A1 (en) | 1999-07-23 | 1999-07-23 | Cell and cell inspecting method |
US09/814,701 US6703162B2 (en) | 1999-07-23 | 2001-03-23 | Battery and process for examining battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1999/003940 WO2001008248A1 (en) | 1999-07-23 | 1999-07-23 | Cell and cell inspecting method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/814,701 Continuation US6703162B2 (en) | 1999-07-23 | 2001-03-23 | Battery and process for examining battery |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001008248A1 true WO2001008248A1 (en) | 2001-02-01 |
Family
ID=14236283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/003940 WO2001008248A1 (en) | 1999-07-23 | 1999-07-23 | Cell and cell inspecting method |
Country Status (5)
Country | Link |
---|---|
US (1) | US6703162B2 (ja) |
EP (1) | EP1120846A4 (ja) |
KR (1) | KR100408140B1 (ja) |
CN (1) | CN1160821C (ja) |
WO (1) | WO2001008248A1 (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002343681A (ja) * | 2001-05-11 | 2002-11-29 | Meidensha Corp | 電気二重層キャパシタ |
JP2005327593A (ja) * | 2004-05-14 | 2005-11-24 | Nec Tokin Corp | 電池パック |
JP2009245879A (ja) * | 2008-03-31 | 2009-10-22 | Sanyo Electric Co Ltd | ラミネート式電池及びそのラミネート式電池を備えた電池モジュール |
JP2010044954A (ja) * | 2008-08-12 | 2010-02-25 | Sony Corp | 電池パック |
JP2010108898A (ja) * | 2008-09-30 | 2010-05-13 | Dainippon Printing Co Ltd | 絶縁性低下部位特定方法 |
JP2010108909A (ja) * | 2008-10-03 | 2010-05-13 | Nissan Motor Co Ltd | 電池 |
JP2011070989A (ja) * | 2009-09-28 | 2011-04-07 | Toyota Motor Corp | 電圧検出端子の接続方法及び電池 |
JP2012028023A (ja) * | 2010-07-20 | 2012-02-09 | Nissan Motor Co Ltd | 電池 |
JP2012530334A (ja) * | 2009-06-19 | 2012-11-29 | リ−テック・バッテリー・ゲーエムベーハー | バッテリー構造体およびその製造方法 |
WO2013121902A1 (ja) | 2012-02-13 | 2013-08-22 | オートモーティブエナジーサプライ株式会社 | 導電性検査装置およびその方法 |
CN106841357A (zh) * | 2017-01-20 | 2017-06-13 | 中天储能科技有限公司 | 一种三电极体系测试装置及其测试方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040161664A1 (en) * | 2001-08-14 | 2004-08-19 | Mitsubishi Denki Kabushiki Kaisha (A Corporation Of Japan) | Plate shaped battery pack and portable radio terminal |
JP4604441B2 (ja) * | 2002-07-18 | 2011-01-05 | 日本電気株式会社 | フィルム外装電池及びその製造方法 |
EP1475852B1 (en) * | 2003-05-05 | 2017-01-11 | Enax, Inc. | Lead outlet structure of secondary battery in sheet type |
KR100544119B1 (ko) * | 2003-06-24 | 2006-01-23 | 삼성에스디아이 주식회사 | 파우치형 리튬 이차 전지 |
JP5148579B2 (ja) * | 2009-09-29 | 2013-02-20 | 三菱重工業株式会社 | 二次電池異常予見システム |
KR101458259B1 (ko) * | 2011-01-13 | 2014-11-12 | 주식회사 엘지화학 | 파우치형 이차전지 및 그 제조방법 |
US9136509B2 (en) | 2011-05-27 | 2015-09-15 | Apple Inc. | Battery cell with an integrated pouch metal foil terminal |
KR101487496B1 (ko) * | 2012-05-10 | 2015-01-29 | 주식회사 엘지화학 | 파우치형 이차 전지의 절연성 검사 방법 및 장치 |
US9164151B2 (en) | 2013-08-07 | 2015-10-20 | Lg Chem, Ltd. | System and method for determining isolation resistances of a battery pack |
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1999
- 1999-07-23 EP EP99931498A patent/EP1120846A4/en not_active Withdrawn
- 1999-07-23 CN CNB998112445A patent/CN1160821C/zh not_active Expired - Fee Related
- 1999-07-23 KR KR10-2001-7003543A patent/KR100408140B1/ko not_active IP Right Cessation
- 1999-07-23 WO PCT/JP1999/003940 patent/WO2001008248A1/ja active IP Right Grant
-
2001
- 2001-03-23 US US09/814,701 patent/US6703162B2/en not_active Expired - Fee Related
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JPS60211763A (ja) * | 1984-04-05 | 1985-10-24 | Hitachi Maxell Ltd | 薄形電池の製造方法 |
JPS62131469A (ja) * | 1985-12-03 | 1987-06-13 | Japan Storage Battery Co Ltd | 薄形密閉鉛蓄電池 |
JPH10302756A (ja) * | 1997-02-26 | 1998-11-13 | Sony Corp | 薄型電池 |
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Cited By (14)
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JP2010108898A (ja) * | 2008-09-30 | 2010-05-13 | Dainippon Printing Co Ltd | 絶縁性低下部位特定方法 |
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JP2011070989A (ja) * | 2009-09-28 | 2011-04-07 | Toyota Motor Corp | 電圧検出端子の接続方法及び電池 |
JP2012028023A (ja) * | 2010-07-20 | 2012-02-09 | Nissan Motor Co Ltd | 電池 |
WO2013121902A1 (ja) | 2012-02-13 | 2013-08-22 | オートモーティブエナジーサプライ株式会社 | 導電性検査装置およびその方法 |
US9459284B2 (en) | 2012-02-13 | 2016-10-04 | Automotive Energy Supply Corporation | Conductivity inspection apparatus and conductivity inspection method |
CN106841357A (zh) * | 2017-01-20 | 2017-06-13 | 中天储能科技有限公司 | 一种三电极体系测试装置及其测试方法 |
Also Published As
Publication number | Publication date |
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KR100408140B1 (ko) | 2003-12-01 |
EP1120846A4 (en) | 2005-03-30 |
US6703162B2 (en) | 2004-03-09 |
US20010016279A1 (en) | 2001-08-23 |
KR20010106481A (ko) | 2001-11-29 |
EP1120846A1 (en) | 2001-08-01 |
CN1160821C (zh) | 2004-08-04 |
CN1319262A (zh) | 2001-10-24 |
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