WO2004106395A1 - 吸液性シート及び非水電解液電池パック - Google Patents
吸液性シート及び非水電解液電池パック Download PDFInfo
- Publication number
- WO2004106395A1 WO2004106395A1 PCT/JP2004/004812 JP2004004812W WO2004106395A1 WO 2004106395 A1 WO2004106395 A1 WO 2004106395A1 JP 2004004812 W JP2004004812 W JP 2004004812W WO 2004106395 A1 WO2004106395 A1 WO 2004106395A1
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- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- monomer
- resin layer
- battery pack
- liquid absorbing
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/061—Polyesters; Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/065—Polyamides; Polyesteramides; Polyimides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
- C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/24—Homopolymers or copolymers of amides or imides
- C08J2333/26—Homopolymers or copolymers of acrylamide or methacrylamide
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
Definitions
- the present invention provides a liquid-absorbent sheet for absorbing an electrolyte when the electrolyte leaks from a non-aqueous electrolyte battery cell in a non-aqueous electrolyte battery pack, and a non-aqueous electrolyte using the same.
- the present invention relates to a liquid battery pack. Background art
- a battery pack in which a plurality of primary battery cells or secondary battery cells and a printed circuit board are stored in a battery case is widely used.
- the wiring of the printed circuit board may be corroded, causing a conduction failure or, conversely, a short-circuit force S. Therefore, even in the event of electrolyte leakage, in order to prevent the above-mentioned problem of corrosion and short-circuiting from occurring, place the battery in the battery pack at a position that is infested with or close to the battery cell.
- liquid-absorbing member provided with a liquid-absorbing agent capable of absorbing an electrolytic solution (see Japanese Patent Application Laid-Open No. 2001-315588).
- the liquid absorbing agent various polymer materials of an adsorption type, a gelation type, and a self-leaping type are used.
- polyacrylate water-absorbent resin starch-graft copolymer-based water-absorbent resin, polyvinyl alcohol-based water-absorbent resin, polyacrylamide-based water-absorbent resin, isobutylene-maleic acid copolymer water-absorbent resin, Long-chain alkylacrylate crosslinked polymers, polynorbornene, and the like are exemplified.
- the amount of the liquid absorbing agent used is reduced by an amount corresponding to the thickness of the adhesive layer. The problem was that we had to reduce it.
- the present invention is intended to solve the above-mentioned problems of the related art, and includes a non-aqueous electrolyte secondary battery constituting a non-aqueous electrolyte battery pack (particularly, a lithium ion non-aqueous electrolyte secondary battery pack).
- a non-aqueous electrolyte secondary battery constituting a non-aqueous electrolyte battery pack (particularly, a lithium ion non-aqueous electrolyte secondary battery pack).
- a liquid-absorbing sheet exhibiting excellent liquid-absorbing property and adhesiveness to a non-aqueous electrolyte
- a battery pack provided with an electrolyte-absorbing member formed from such a liquid-absorbing sheet.
- the purpose is to provide. Disclosure of the invention
- the present inventors have applied an energy ray to a monomer composition containing a monofunctional monomer component ( ⁇ ) composed of a polyethylene glycol acrylate polymer and an amide bond-containing acrylic monomer, and a multifunctional monomer component ( ⁇ ).
- a resin layer obtained by irradiation and polymerization can absorb and hold a large amount of an electrolytic solution and exhibit adhesiveness, thereby completing the present invention.
- the present invention provides a liquid-absorbent sheet comprising a liquid-absorbent resin layer, wherein the liquid-absorbent resin layer comprises a monofunctional monomer component comprising a polyethylene glycol atalylate monomer and an amide bond-containing atalyl monomer.
- a liquid-absorbent sheet which is obtained by irradiating a monomer composition containing (i) and a polyfunctional monomer component (ii) with energy rays to polymerize the monomer composition.
- the present invention also provides a battery case, in which a non-aqueous electrolyte battery cell, a printed circuit board, and a non-aqueous electrolyte battery battery absorb liquid electrolyte when the leak occurs.
- the electrolyte absorbing member is formed from the above-mentioned liquid-absorbing sheet. Provide a non-aqueous battery pack.
- FIG. 1A and 1B are cross-sectional views of the liquid-absorbent sheet of the present invention, respectively, and FIG. 1C is a perspective view of the liquid-absorbent sheet of the present invention.
- FIG. 2 is a perspective view of the nonaqueous electrolyte battery pack of the present invention.
- FIG. 3 is a perspective view of the nonaqueous electrolyte battery pack of the present invention.
- FIG. 4 is an explanatory diagram of an electrolytic solution absorption test using a simulated battery pack.
- the liquid-absorbent sheet of the present invention includes not only an embodiment in which the liquid-absorbent resin layer 1 is formed alone in a sheet shape, but also a support, as shown in FIG. 1B. 2 includes an embodiment in which the liquid absorbing resin layer 1 is formed on one surface.
- the liquid-absorbent resin layer 1 itself can absorb and hold a large amount of the electrolytic solution, and the liquid-absorbent resin layer 1 itself has adhesiveness. There is no need to provide this, and even when an adhesive layer is formed, its thickness can be reduced, and the volume ratio of the liquid-absorbent resin layer 1 in the liquid-absorbent sheet can be increased. Therefore, the liquid-absorbent sheet can be easily installed in the battery case.
- the support 2 that can be used in the liquid-absorbent sheet of the present invention may be a resin film that does not penetrate the electrolytic solution, for example, a plastic film such as polypropylene. Non-woven fabrics and papers made of such plastic fibers can be used. It is preferable to form the supporting tree from such a nonwoven fabric because the rate of absorption of the nonaqueous solvent can be increased.
- a monomer composition containing a monofunctional monomer and a polyfunctional monomer as a cross-linking agent is added to an energy beam, for example, an ultraviolet ray, an electron beam, or the like. And a polymer film obtained by polymerizing the polymer film into a sheet is used.
- a polyethylene glycol atalylate monomer and an amide bond-containing acrylic monomer are used as the monofunctional monomer component (A).
- the polyethylene daricol acrylate monomer and the amide bond-containing acryl monomer are monomers having a tendency that their homopolymers do not show tackiness even if they are misaligned. Unexpectedly when polymerized, the resulting copolymer exhibits tackiness.
- the number of moles of ethylene oxide added is preferably from 1 to 30, and particularly preferably 6, the number of phenoxy polyethylene dalicol acrylates and the number of ethylene oxide-added monoles is preferably 6. Is 1 to 30, particularly preferably 3 or 9 methoxypolyethylene dalicol acrylate.
- amide-containing acryl-based monomer examples include acryloyl morpholine and N, N-getyl acrylamide.
- the molar ratio between the polyethylene glycol acrylate polymer and the amide-containing acrylic monomer is too small or too large for the former.
- the amide-containing acryl-based monomer is preferably 20 to 70 parts by weight, more preferably 40 to 60 parts by weight, based on 100 parts by weight of the polyethylene render alcohol acrylate-based monomer. It is.
- the monofunctional monomer component (A) contains the above-described polyethylene glycol atalylate-based monomer and the amide bond-containing acryloline-based monomer, but if the sum of them is too small, the liquid absorption of the non-aqueous solvent is reduced. Tends to decrease In, preferably at least 2 0 mole 0/0 contains.
- the monofunctional monomer component (A) includes, in addition to the polyethylene glycol acrylate monomer and the amide bond-containing acrylic monomer described above, other monofunctional monomers, for example, hydroxyl group, as long as the effects of the present invention are not impaired. It is also possible to incorporate tyl acrylate, acrylic acid, 2-ethylhexynoleacrylate, lauryl acrylate, and the like.
- the polyfunctional monomer component (B) is a component for introducing a crosslinked structure into the liquid-absorbent resin layer 1, and a monomer having two or more acrylate residues is preferably used.
- a monomer having two or more acrylate residues is preferably used.
- the amount of the polyfunctional monomer component (B) in the monomer composition is preferably 0.001 to 0.17, more preferably 0.001 to 0.1.
- the crosslink density is defined as a, where a is the number of functional groups in the polyfunctional monomer in one molecule, b is the number of moles of the polyfunctional monomer in the monomer composition, and b is the number of moles of the monofunctional monomer in the monomer composition.
- c is a numerical value appropriately determined by the following equation.
- Crosslink density a X b Z (b + c)
- the liquid-absorbent sheet of the present invention comprises a monomer composition containing a monofunctional monomer component (A) and a multifunctional monomer component (B).
- the obtained coating film is irradiated with energy rays.
- a release film such as polyethylene terephthalate finolem
- the monomer composition is applied onto a non-woven fabric and polymerized, or
- the embodiment shown in FIG. 1B can be obtained.
- a conventionally known application method for example, a roll coater method or the like can be adopted.
- ultraviolet rays were used as energy rays: As an example of polymerization conditions of ⁇ , ultraviolet rays having a wavelength of 250 to 350 nm at a temperature of 15 to 25 Conditions for irradiation at an energy density of 200 mJ / cm2 are mentioned.
- the liquid-absorbent resin layer 1 itself has S adhesiveness, so that It can be attached with a simple tool such as a hand roller.
- the planar shape of the liquid-absorbent sheet is shown in FIG. As shown in the figure, it is preferable to have a donut shape.
- the liquid-absorbent resin layer 1 of the liquid-absorbent sheet of the present invention may optionally contain a flame retardant (such as aluminum hydroxide or melamine cyanurate). This makes it possible to impart flame retardancy to the liquid absorbing sheet.
- a flame retardant such as aluminum hydroxide or melamine cyanurate. This makes it possible to impart flame retardancy to the liquid absorbing sheet.
- the liquid-absorbent sheet of the present invention absorbs the electrolyte when the electrolyte leaks from the non-aqueous electrolyte battery cell, the wiring circuit board, and the non-aqueous electrolyte battery cell in the battery case.
- a non-aqueous electrolytic liquid battery pack in which an electrolyte absorbing member is installed.
- FIG. 2 in a battery pack having a non-aqueous electrolyte battery cell 23 disposed on a printed circuit board 22 installed in a battery case 21, When electrolyte leaks from 23, as an electrolyte absorbing member for absorbing the electrolyte, between the wiring circuit board 22 and the non-aqueous electrolyte battery cell 23, Fig.
- the liquid-absorbing sheet 26 as described in may be arranged.
- the non-aqueous electrolyte battery cell 23 and the printed circuit board 22 And are connected by a metal lead 24, and further communicate with the outside.
- the absorbent sheet 27 described in FIG. 1B is placed on the non-aqueous electrolyte battery cell 23, and the book is placed on the non-aqueous electrolyte battery cell 23 side. They may be arranged so that
- the shape of the battery case in the non-aqueous electrolyte battery pack is a rectangular parallelepiped, and the shape of the battery cell is cylindrical. It is not limited to this, and can have a shape and arrangement according to the purpose of use. Also, the type of the battery cell is not limited.
- the non-aqueous electrolyte battery pack of the present invention described above comprises, as a non-aqueous electrolyte solution absorbing member material, a monofunctional monomer component ( ⁇ ) composed of a polyethylene glycol atalylate monomer and an amide bond-containing acrylic monomer;
- the monomer composition containing the functional monomer component ( ⁇ ) is irradiated with energy rays such as ultraviolet rays to polymerize it.
- UV light with a wavelength of 365 nm was irradiated at an energy density of 2000 mcm 2 to polymerize, and the polymer film was peeled off from polyethylene terephthalate to obtain a single-layer liquid-absorbent sheet.
- Multifunctional monomer 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
- Dimethyl / recarbonate ⁇ Prepare an electrolytic solution prepared by dissolving an appropriate amount of lithium salt as an electrolyte in a mixed solvent of equal volume of propylene carbonate / ethylene carbonate. .03 g, and the time until complete absorption and swelling was visually measured. Also, immersed in a sufficient amount of electrolyte at 23 ° C. After 3 hours, visually observe the shape of the liquid-absorbent resin layer, pull it up from the mixed solvent, immediately wipe off the mixed solvent on the surface, measure the weight, and swell. The magnification was calculated. The swelling degree test was performed after heating the liquid-absorbed f-sheet with wet heat open (40 ° C, 90% RH, 96 hours). Tables 3 and 4 show the obtained results.
- a hole h was opened in the side portion of the battery in the middle of the three batteries 43 with an electric drill, and a test was performed in which the electrolyte leaking from the hole h was absorbed by a liquid absorbing sheet.
- the hole h was opened, and after standing for a while, when the inside of the battery pack was observed, no wetting was observed on the contrary to the glass epoxy.
- the weight loss of the battery with the hole h opened was 2.5 g and the weight increase of the liquid-absorbent sheet was 2.5 g, all of the leaked electrolyte was absorbed. It was found that the sheet was absorbed by the conductive sheet.
- the non-aqueous electrolyte liquid battery pack (especially a lithium ion non-aqueous electrolyte secondary battery pack) has an excellent liquid absorption property with respect to the non-aqueous electrolyte solution of the non-aqueous electrolyte secondary battery.
- a liquid-absorbent sheet having the liquid-absorbent resin layer shown in FIG. This liquid absorbing resin layer itself is tacky. Therefore, when adhering the liquid-absorbent resin layer and the support book, or when applying the liquid-absorbent sheet to the battery pack, the liquid-absorbent sheet can be simply adhered at room temperature without using the heat lamination method. .
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/553,705 US7510767B2 (en) | 2003-05-30 | 2004-04-01 | Liquid absorbing sheet and nonaqueous electrolyte battery pack |
KR1020057022770A KR101109388B1 (ko) | 2003-05-30 | 2004-04-01 | 흡액성 시트 및 비수성 전해액 전지 팩 |
US12/320,769 US20090148776A1 (en) | 2003-05-30 | 2009-02-04 | Liquid absorbing sheet and nonaqueous electrolyte battery pack |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-154196 | 2003-05-30 | ||
JP2003154196A JP3873931B2 (ja) | 2003-05-30 | 2003-05-30 | 吸液性シート及び非水電解液電池パック |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/320,769 Division US20090148776A1 (en) | 2003-05-30 | 2009-02-04 | Liquid absorbing sheet and nonaqueous electrolyte battery pack |
Publications (1)
Publication Number | Publication Date |
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WO2004106395A1 true WO2004106395A1 (ja) | 2004-12-09 |
Family
ID=33487316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/004812 WO2004106395A1 (ja) | 2003-05-30 | 2004-04-01 | 吸液性シート及び非水電解液電池パック |
Country Status (6)
Country | Link |
---|---|
US (2) | US7510767B2 (ja) |
JP (1) | JP3873931B2 (ja) |
KR (1) | KR101109388B1 (ja) |
CN (1) | CN1798780A (ja) |
TW (1) | TWI243502B (ja) |
WO (1) | WO2004106395A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI280677B (en) * | 2003-02-18 | 2007-05-01 | Sony Chemicals & Information D | Liquid absorbing sheet and nonaqueous electrolyte battery pack |
JP3873931B2 (ja) * | 2003-05-30 | 2007-01-31 | ソニーケミカル&インフォメーションデバイス株式会社 | 吸液性シート及び非水電解液電池パック |
JP4095096B2 (ja) * | 2005-01-06 | 2008-06-04 | 曜顯 松下 | 電池カバーおよび漏出液吸収方法 |
WO2007077642A1 (ja) * | 2005-12-28 | 2007-07-12 | Teruaki Matsushita | 電池カバーおよび漏出液吸収方法 |
WO2006073118A1 (ja) * | 2005-01-06 | 2006-07-13 | Teruaki Matsushita | 筒型電池用カバー |
JP4706823B2 (ja) | 2005-01-14 | 2011-06-22 | ソニーケミカル&インフォメーションデバイス株式会社 | 電池パック |
JP4827442B2 (ja) * | 2005-06-22 | 2011-11-30 | 三洋電機株式会社 | 組電池 |
JP4095113B2 (ja) * | 2005-12-28 | 2008-06-04 | 曜顯 松下 | 電池カバーおよび漏出液吸収方法 |
JP2008226560A (ja) * | 2007-03-09 | 2008-09-25 | Gs Yuasa Corporation:Kk | 組電池 |
US20090274948A1 (en) * | 2008-05-05 | 2009-11-05 | Calderone Samuel J | Cordless power tool battery pack system |
JP5944178B2 (ja) * | 2012-02-22 | 2016-07-05 | 株式会社東芝 | 電池ユニット |
US20140302361A1 (en) * | 2013-04-08 | 2014-10-09 | Samsung Sdi Co., Ltd. | Rechargeable battery |
US10090862B2 (en) | 2016-03-23 | 2018-10-02 | SK Hynix Inc. | Hybrid soft decoding algorithm for multiple-dimension TPC codes |
US10084485B2 (en) * | 2016-03-23 | 2018-09-25 | SK Hynix Inc. | Soft decoder parameter optimization for product codes |
US10090865B2 (en) | 2016-03-23 | 2018-10-02 | SK Hynix Inc. | Performance optimization in soft decoding of error correcting codes |
JP7271879B2 (ja) * | 2018-02-27 | 2023-05-12 | 王子ホールディングス株式会社 | 樹脂組成物、硬化物及び電池パック |
KR20220101964A (ko) | 2021-01-12 | 2022-07-19 | 주식회사 엘지에너지솔루션 | 전해액 흡수제를 포함하는 전지셀 및 이를 포함하는 전지모듈 |
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- 2004-04-01 US US10/553,705 patent/US7510767B2/en not_active Expired - Lifetime
- 2004-04-01 CN CNA2004800150520A patent/CN1798780A/zh active Pending
- 2004-04-01 WO PCT/JP2004/004812 patent/WO2004106395A1/ja active Application Filing
- 2004-04-05 TW TW93109336A patent/TWI243502B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
US7510767B2 (en) | 2009-03-31 |
TW200505077A (en) | 2005-02-01 |
US20060172199A1 (en) | 2006-08-03 |
US20090148776A1 (en) | 2009-06-11 |
KR101109388B1 (ko) | 2012-01-31 |
JP3873931B2 (ja) | 2007-01-31 |
JP2004355997A (ja) | 2004-12-16 |
CN1798780A (zh) | 2006-07-05 |
KR20060036392A (ko) | 2006-04-28 |
TWI243502B (en) | 2005-11-11 |
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