CN1697241A - Large capacity lithium ion battery with soft shell made from aluminum-plastic - Google Patents

Large capacity lithium ion battery with soft shell made from aluminum-plastic Download PDF

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Publication number
CN1697241A
CN1697241A CNA2005100347056A CN200510034705A CN1697241A CN 1697241 A CN1697241 A CN 1697241A CN A2005100347056 A CNA2005100347056 A CN A2005100347056A CN 200510034705 A CN200510034705 A CN 200510034705A CN 1697241 A CN1697241 A CN 1697241A
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CN
China
Prior art keywords
pole
plastic bag
ion battery
lithium ion
aluminium plastic
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Granted
Application number
CNA2005100347056A
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Chinese (zh)
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CN100355144C (en
Inventor
钟馨稼
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Ray Winston Battery Technology Co., Ltd.
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钟馨稼
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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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
    • H01M50/121—Organic material
    • 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
    • H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
    • H01M50/105—Pouches or flexible bags
    • 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
    • H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—Metals
    • 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

Abstract

The battery includes battery core, electrolyte and aluminum - plastic bag. The battery core is composed of more than two rectangular pieces of positive and negative plates and diaphragms stacked alternately. Not coated faces of positive and negative plates are binding connected by terminal bundles respectively. Holes for guiding terminals are setup at the aluminum - plastic bag. Characters are that it is a mechanical seal between hole for guiding terminal at bag and terminal at battery core. Seal plate is setup at inner side of guiding hole of the bag. There are through holes on the seal plate corresponding to guiding hole of the bag. Screw thread is made on terminal. Screw cap on the screw thread is cooperated to the seal plate to seal the guiding hole of the bag. Comparing with gluing seal, the mechanical seal ensures sealing quality, stability and consistency and provides convenient operation.

Description

Large capacity lithium ion battery with soft shell made from aluminum-plastic
[technical field]
What the present invention relates to is lithium ion battery, especially a kind of large capacity lithium ion battery with soft shell made from aluminum-plastic.
[technical background]
At present, for increasing the charge storage ability of lithium ion battery, to prolong the discharge time of lithium ion battery, manufacturer has proposed much can improve the technical scheme of capacity of lithium ion battery, as Chinese patent CN1307376A " a kind of rechargeable Cr-F-Li solid electrokinetic cell ", CN2615878Y " but repeated charge large-capacity power lithium battery of architecture advances ", CN2615877Y " but high-voltage lithium ion batteries of repeated charge " etc., provide practicable technical scheme for making high-capacity dynamical lithium-ion battery, can see from disclosed patent documentation, existing high-capacity dynamical lithium-ion battery all adopts the multilayer positive/negative plate to stack structure, just is being provided with two in being full of the housing of electrolyte that is:, negative plate and barrier film stack the lithium ion battery core body of formation.For preventing oozing out of its electrolyte inside, insert in the housing again behind the aluminium plastic bag that is full of electrolyte of normally the battery core body being packed into.At present, after battery core body and electrolyte were inserted the close bag of plastic-aluminum, the pole leadout hole that is opened on the aluminium plastic bag all adopted adhesive means to seal, and its closure part was both lack of standardization, also out-of-flatness.Therefore, its gluing sealing operation is generally manual operation, is difficult to accomplish the consistency of sealing operation, and also difficulty is guaranteed seal quality.Sealing has mistake slightly, promptly can cause its electrolyte inside to exosmose, thereby influences the normal use and the life-span of battery, and the electrolyte that oozes out can pollute environment, the people is known from experience damage.This shows that the package quality of aluminium plastic bag is a link very important in the lithium ion battery manufacture process, it will be directly connected to the quality of battery.
[summary of the invention]
The objective of the invention is to seal the deficiency of existence, a kind of large capacity lithium ion battery with soft shell made from aluminum-plastic that seals standard, good airproof performance is provided at above-mentioned high-capacity dynamical lithium-ion battery aluminium plastic bag.
Large capacity lithium ion battery with soft shell made from aluminum-plastic of the present invention comprises: alternately stack battery core body, electrolyte and the aluminium plastic bag that constitutes by two above rectangle sheet lithium ion battery positive and negative plates and barrier film; Positive and negative plate uncoated substrate face end is connected by the bookbinding of band pole bundle head respectively; Aluminium plastic bag is provided with the pole leadout hole, it is characterized in that: be mechanical seal between the pole leadout hole of aluminium plastic bag and the pole of battery core body, that is: be provided with hush panel in the pole leadout hole inboard of aluminium plastic bag, hush panel be provided with aluminium plastic bag on the corresponding through hole of pole leadout hole; Pole is provided with screw thread, and is furnished with nut; The nut that is screwed on the pole cooperates the pole leadout hole of the aluminium plastic bag that will be between the two to seal with hush panel.
Large capacity lithium ion battery with soft shell made from aluminum-plastic design science of the present invention, rational in infrastructure.It is transformed to gluing sealing machinery and seals dexterously, has overcome gluing sealing and has existed operational consistency poor, the defective of seal quality instability.Adopt this machinery to seal, that both can guarantee aluminium plastic bag seals sealing and consistency, greatly facilitates operation again.Firm mechanical seal, the Package casing that makes aluminium plastic bag directly become high capacity lithium ion battery becomes possibility.With aluminium plastic bag as high capacity lithium ion battery Package casing can reduce its manufacturing cost, can reduce the weight and volume of battery again, for warehousing and the transportation all can bring positive benefit.High capacity lithium ion battery aluminium plastic bag scheme for sealing disclosed by the invention both had been applicable to liquid lithium ionic cell, semisolid lithium ion battery, also was applicable to the solid polymer lithium ion battery.
The concrete structure of large capacity lithium ion battery with soft shell made from aluminum-plastic of the present invention by the following drawings and
Embodiment provides in detail.
[description of drawings]
Fig. 1 is the structural representation of large capacity lithium ion battery with soft shell made from aluminum-plastic
Fig. 2 is the battery body structure schematic diagram of large capacity lithium ion battery with soft shell made from aluminum-plastic shown in Figure 1.
[embodiment]
Embodiment: can be clear that from Fig. 1 large capacity lithium ion battery with soft shell made from aluminum-plastic is made up of aluminium plastic bag 1 and battery core body 2.
Described battery core body 2 after alternately being stacked by two above rectangle sheet based lithium-ion battery positive plates 21, negative plate 22, barrier films 23, connects and composes by 3 bookbindings of two band pole bundle heads as shown in Figure 2; The two ends of described positive and negative plate 21,22 are respectively equipped with uncoated substrate face 24,25, and the uncoated substrate face 24,25 at positive and negative plate 21,22 two ends is arranged in the opposite direction; Described band pole bundle head 3 by a bundle body 31, be arranged on a bundle body 31 both sides with the fixing pressing plate 33 of bolt 32, be arranged on three poles 34 restrainting on the body 31 and constitute; Uncoated substrate face 24,25 ends of the positive and negative plate 21,22 that alternately stacks are connected on the bundle body 31 by the pressing plate 33 and the bolt 32 fixing bookbindings of band pole bundle head 3 respectively, form positive and negative output pole 34 at battery core body 2 two ends.
Described aluminium plastic bag 1 offers pole leadout hole 11 corresponding to positive and negative output pole 34 positions of battery core body 2.
Pole 34 sides of a described bundle body 31 are equipped with hush panel 4, offer the through hole that places for pole 34 on the hush panel 4; Be equipped with screw thread on the pole 34, and be furnished with nut 35, hush panel 4 is installed in pole 34 sides of a bundle body 31, and the nut 35 that revolves on pole 34 cooperates with hush panel 4 and clipping aluminium plastic bag 1 pole leadout hole 11 betwixt can be compressed sealing.
The assembly relation of battery core body 2 and aluminium plastic bag 1: put hush panel 4 at battery core body 2 two ends poles 34 earlier, place then in the aluminium plastic bag 1, and the pole 34 at battery core body 2 two ends is stretched out respectively from corresponding pole leadout hole 11, this moment, hush panel 4 was that liner is in aluminium plastic bag 1 pole leadout hole 11 inboards, at last nut 35 is screwed on each pole 34 screw thread mouth, until tightening, the pole leadout hole 11 that is in the aluminium plastic bag 1 of 4 of nut 35 and hush panel this moment promptly seals because of the nut 35 and the clamping engagement of hush panel 4.

Claims (1)

1, a kind of large capacity lithium ion battery with soft shell made from aluminum-plastic comprises: alternately stack battery core body, electrolyte and the aluminium plastic bag that constitutes by two above rectangle sheet lithium ion battery positive and negative plates and barrier film; Positive and negative plate uncoated substrate face end is connected by the bookbinding of band pole bundle head respectively; Aluminium plastic bag is provided with the pole leadout hole, it is characterized in that: be mechanical seal between the pole leadout hole of aluminium plastic bag and the pole of battery core body, that is: be provided with hush panel in the pole leadout hole inboard of aluminium plastic bag, hush panel be provided with aluminium plastic bag on the corresponding through hole of pole leadout hole; Pole is provided with screw thread, and is furnished with nut; The nut that is screwed on the pole cooperates the pole leadout hole of the aluminium plastic bag that will be between the two to seal with hush panel.
CNB2005100347056A 2005-05-16 2005-05-16 Large capacity lithium ion battery with soft shell made from aluminum-plastic Active CN100355144C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100347056A CN100355144C (en) 2005-05-16 2005-05-16 Large capacity lithium ion battery with soft shell made from aluminum-plastic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100347056A CN100355144C (en) 2005-05-16 2005-05-16 Large capacity lithium ion battery with soft shell made from aluminum-plastic

Publications (2)

Publication Number Publication Date
CN1697241A true CN1697241A (en) 2005-11-16
CN100355144C CN100355144C (en) 2007-12-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007118357A1 (en) * 2006-04-17 2007-10-25 Citic Guoan Mengguli New Energy Technology Co., Ltd. Liquid state lithium ion battery with aluminum-plastic complex film
CN101488566B (en) * 2008-01-15 2011-08-17 财团法人工业技术研究院 Soft packing cell and air tight type conductive connection structure and assembling process
CN102315395A (en) * 2010-07-07 2012-01-11 上海航天电源技术有限责任公司 Square lithium ion battery shell and square lithium ion power battery using same
CN108539278A (en) * 2018-04-02 2018-09-14 中航锂电（洛阳）有限公司 A kind of soft-package battery manufacture fixture, soft-package battery electrolyte filling method and preparation method
CN115189089A (en) * 2022-08-03 2022-10-14 厦门理工学院 Safe waterproof multi-pole high-power lithium ion battery
CN115548415A (en) * 2022-11-29 2022-12-30 中自环保科技股份有限公司 Combination method of soft-packaged large cylindrical battery based on full tabs

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012213919A1 (en) 2012-08-06 2014-02-06 Robert Bosch Gmbh Battery cell i.e. lithium ion battery cell for battery in electric motor powered car, has electrically insulating seal provided between housing and current collector, where material of seal includes nanoparticles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001068073A (en) * 1999-08-26 2001-03-16 Sony Corp Battery package structure and manufacture thereof and battery thereof
JP4300395B2 (en) * 2001-08-31 2009-07-22 大日本印刷株式会社 Battery exterior laminate and secondary battery
CN1585184A (en) * 2004-05-22 2005-02-23 钟海 Non-immersing power lithium ion accumulator with plastic shell
CN2789937Y (en) * 2005-05-16 2006-06-21 钟馨稼 Large volume lithium ion battery with aluminium plastic soft case

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007118357A1 (en) * 2006-04-17 2007-10-25 Citic Guoan Mengguli New Energy Technology Co., Ltd. Liquid state lithium ion battery with aluminum-plastic complex film
CN101488566B (en) * 2008-01-15 2011-08-17 财团法人工业技术研究院 Soft packing cell and air tight type conductive connection structure and assembling process
CN102315395A (en) * 2010-07-07 2012-01-11 上海航天电源技术有限责任公司 Square lithium ion battery shell and square lithium ion power battery using same
CN108539278A (en) * 2018-04-02 2018-09-14 中航锂电（洛阳）有限公司 A kind of soft-package battery manufacture fixture, soft-package battery electrolyte filling method and preparation method
CN115189089A (en) * 2022-08-03 2022-10-14 厦门理工学院 Safe waterproof multi-pole high-power lithium ion battery
CN115189089B (en) * 2022-08-03 2023-06-02 厦门理工学院 Safe waterproof multi-pole high-power lithium ion battery
CN115548415A (en) * 2022-11-29 2022-12-30 中自环保科技股份有限公司 Combination method of soft-packaged large cylindrical battery based on full tabs

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Denomination of invention: Large capacity lithium ion battery with soft shell made from aluminum-plastic

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Patentee before: Lei Tian Winston (Shenzhen) Battery Co., Ltd.