CN101026249B - Polymer battery pack - Google Patents
Polymer battery pack Download PDFInfo
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- CN101026249B CN101026249B CN2006101309287A CN200610130928A CN101026249B CN 101026249 B CN101026249 B CN 101026249B CN 2006101309287 A CN2006101309287 A CN 2006101309287A CN 200610130928 A CN200610130928 A CN 200610130928A CN 101026249 B CN101026249 B CN 101026249B
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- Prior art keywords
- polymer battery
- battery group
- shell body
- outside plate
- outside
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- 230000001681 protective effect Effects 0.000 claims description 31
- 239000012212 insulator Substances 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings 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
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
-
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
A polymer battery pack includes a polymer battery, an outer case having a first outer panel and a second outer panel, the outer case enclosing the polymer battery, an electrode tap in electrical communication with the polymer battery and positioned outside the outer case, and a protecting circuit board in electrical communication with the electrode tap and positioned outside the outer case, for enhanced operation and durability.
Description
Technical field
The present invention relates to a kind of polymer battery group, in particular, the present invention relates to the improved polymer battery group of a kind of intensity, fail safe and reliability.
Background technology
The polymer battery group can be widely used in various electronic installations, for example cell phone, kneetop computer, have video tape recorder of built-in camera or the like.
Usually, the polymer battery group of traditional polymer battery (polymer battery pack) can comprise protective circuit element that is connected bag shape plain battery and the plastic casing that seals, is used to encapsulate plain battery by the ultrasonic wave fusion.
Traditional plain battery can comprise the electrode assemblie of the negative electrode/dividing plate/positive electrode that is contained in the bag and as the electrolyte of polymer or liquid phase and so on, and bag forms by propylene copolymer (CPP)/aluminium/nylon of modification or by PETG (PET) copolymer of modification.
But traditional bag shape plain battery is solid inadequately, easily because of external impact as crooked, twist, fall, puncture etc. is impaired.Equally, traditional plastic casing is quite thin and yielding.Therefore, traditional polymer battery group is damaged easily, and causes insecure electricity operation of polymer battery thus.
In view of the above, need to improve the structure of polymer battery group, to improve the service behaviour and the durability of polymer battery.
Summary of the invention
Therefore, the present invention aims to provide a kind of polymer battery group that overcomes one or more defective of existing in prior technology substantially.
The polymer battery group that the purpose of this invention is to provide a kind of intensity and the durability of external impact is improved.
Above-mentioned and other characteristics of the present invention and advantage one of at least can realize that this polymer battery group comprises: polymer battery by a kind of like this polymer battery group is provided; Shell body with first outside plate and second outside plate, this shell body encapsulation polymer battery; Be electrically connected (inelectrical communication with) with polymer battery and be positioned at the electrode tap in the shell body outside; And the protective circuit plate that is electrically connected and is positioned at the shell body outside with the electrode tap.First and second outside plates can be parallel to each other, and polymer battery can be between them.
Shell body can comprise the rear portion engagement plate (connectingplate) that is connected with first and second outside plates.Can make the crooked predetermined angular of rear portion engagement plate.
First outside plate can comprise the top part that is coupled to the top periphery part, and second outside plate can comprise the bottom part that is coupled to the lower periphery part.The top periphery part can comprise upper horizontal surface and upper vertical surface, the position of upper horizontal surface is lower than top part, the lower periphery part can comprise first lower horizontal surface, second lower horizontal surface, first lower vertical surface and second lower vertical surface, and second lower horizontal surface of second outside plate can be coupled to the upper vertical surface of first outside plate.
The upper vertical surface of first outside plate can be positioned on the plane identical with first lower vertical surface of second outside plate.Top periphery and lower periphery part can be coupled to each perimeter sides of top part and bottom part respectively.Perhaps, top periphery and lower periphery part can be coupled to each perimeter sides and the rear side of upper and lower part respectively.
First outside plate also can comprise curved surface and be connected the anterior vertical surface of this curved surface that second outside plate can comprise anterior horizontal surface.And shell body can comprise steel, stainless steel, aluminium, copper, metal alloy or plastic resin.
The polymer battery group also can comprise a plurality of upper and lower locking holes that pass first and second outside plates that form respectively.Described a plurality of upper and lowers locking hole can be connected with electrode pad.
Protective circuit can be positioned to parallel with the upper and lower locking hole.The protective circuit plate can comprise at least one contact conductor that is coupled to the electrode tap.In addition, the protective circuit plate can be included in the insulating part between described at least one contact conductor and the electrode tap.
Battery pack also can comprise moulding resin spare.The active paper (damping paper) that this moulding resin spare can comprise at least one opening that is connected with shell body, a plurality of hole and be connected with described a plurality of holes.At least one opening of moulding resin spare can be electrically connected to the electrode terminal of protective circuit plate.
The polymer battery group also can comprise two parallel lids, and each lid is coupled on the shell body.Can be coupled to the upper horizontal surface of first outside plate on by vertical body each lid and on first lower horizontal surface of second outside plate.In addition, each lid also can comprise the vertical part in top on the upper horizontal surface that is coupled to first outside plate and be coupled to the vertical part in bottom on first lower horizontal surface of second outside plate.The vertical part in top can be in the same plane with the top part of first outside plate, and the vertical part in bottom can be in the same plane with the bottom part of second outside plate.
Polymer battery can add the insulator that comprises between electrode tap and shell body.Insulator can be connected with the protective circuit plate by moulding resin spare.
The polymer battery group can comprise the lip-deep label of shell body.Label can be connected with second outside plate with first outside plate.
Polymer battery can comprise bag, have insulator layer, the electrolyte of metal forming and the electrode assemblie that is connected with the electrode tap.
The polymer battery group also can comprise the insulating surface that contacts with at least one side surface of top part, bottom part and shell body.Insulating surface can be an adhesive surface.Equally, the polymer battery group can comprise the insulator spare between each lid and shell body.Insulator spare can be an adhesive tape.
Another aspect of the present invention provides a kind of polymer battery group, and it comprises: polymer battery; Shell body with first outside plate and second outside plate, this shell body encapsulation polymer battery; Be electrically connected and be positioned at the electrode tap in the shell body outside with polymer battery; Be electrically connected and be positioned at the protective circuit plate in the shell body outside with the electrode tap; And the moulding resin spare that surrounds shell body.
The polymer battery group can comprise a plurality of upper and lower locking holes that pass shell body.Perhaps, the polymer battery group can comprise at least one the top locking hole that passes first outside plate.In another alternative plan, the polymer battery group can comprise that at least one passes the bottom locking hole of second outside plate.The polymer battery group also can comprise at least one the center locking hole by the border between first and second outside plates.Bottom and top locking hole can correspond to each other and form ellipse.Shell body can be the tubulose of opening.
In view of the above, polymer battery group provided by the present invention crooked, twist or can have higher intensity, fail safe and reliability when falling.
Description of drawings
Fig. 1 is the decomposition diagram of the polymer battery group of an embodiment of the present invention;
Fig. 2 is the perspective schematic view of the polymer battery group of assembling shown in Figure 1;
Fig. 3 A and 3B are the perspective schematic view of the polymer battery group of assembling shown in Figure 1 and moulding;
Fig. 4 A is the perspective view of the unlatching shell body of polymer battery group shown in Figure 1;
Fig. 4 B is the perspective view of the closed shell body of polymer battery group shown in Figure 1;
Fig. 4 C is the enlarged perspective of the regional 4c shown in Fig. 4 B;
The cross-sectional view of Fig. 5 A for dissecing along Fig. 3 center line 5a-5a;
The cross-sectional view of Fig. 5 B for dissecing along Fig. 3 center line 5b-5b;
The cross-sectional view of Fig. 5 C for dissecing along Fig. 3 center line 5c-5c;
Fig. 6 A is the decomposition diagram of another execution mode of the shell body of polymer battery group of the present invention;
Fig. 6 B is the perspective view of the closed shell body shown in Fig. 6 A;
The cross-sectional view of Fig. 7 for dissecing along Fig. 6 B center line 7a-7a;
Fig. 8 is the perspective view of the polymer battery group of another execution mode of the present invention;
Fig. 9 is the decomposition diagram of polymer battery group shown in Figure 8;
Figure 10 A-10C is the perspective view of some other execution mode of the shell body of polymer battery group shown in Figure 8.
Embodiment
The application with No.10-2006-0046745 from May 24th, 2006 to Korea S Department of Intellectual Property that submit to respectively at the No.10-2006-0074394 that submitted on August 7th, 2006,, and the No.10-2005-0134563 title of submitting on December 29th, 2005 all be " Polymer Battery Pack " korean patent application as a reference, their full content is incorporated among the application.
Below with reference to the accompanying drawing that illustrates some illustrative embodiments of the present invention the present invention is described more fully.Certainly, the present invention can have different execution modes, and should not think these execution modes that only limit to list in this specification.Or rather, provide these execution modes can make the application, and explain scope of the present invention comprehensively to those skilled in the art openly fully with complete.
It will also be appreciated that with element be expressed as another element or substrate " on " time, this element can directly be in another element or the substrate, perhaps also can have intermediary element.In addition, be appreciated that element is expressed as when another element D score that can perhaps also can there be one or more intermediary element in it directly below.Moreover, be further appreciated that with element be expressed as two elements " between " time, only perhaps can also there be one or more intermediary element in this element between two elements.All in the explanation, identical Reference numeral is represented components identical.
One illustrative embodiments of polymer battery group of the present invention more fully is described below with reference to Fig. 1-5.As Figure 1-3, the polymer battery group 100 of an embodiment of the present invention can comprise polymer battery 110, shell body 120, be connected two lids 150, protective circuit 130 and moulding resin spares 140 on the shell body 120 symmetrically.
The shell body 120 of polymer battery group 100 can constitute by being flat hexagonal steel, stainless steel, aluminium, copper, metal alloy, plastics (engineering plastics) or any similar material.In addition, shell body 120 can comprise first outside plate 121, second outside plate 125 and rear portion engagement plate 120a.
First outside plate 121 can comprise top part 122 and top periphery part 123, makes top periphery part 123 vertically to be coupled along the both sides of top part 122, and is formed for the housing of overlie polymer battery 110 upper surfaces, i.e. first outside plate 121.In addition, first outside plate 121 can comprise a plurality of top locking hole 124a.As shown in Figure 1, described a plurality of top locking hole 124a can be formed the front side of passing first outside plate 121, cause in case polymer battery 110 is put into shell body 120, the position of a plurality of locking hole 124a just can be corresponding with the position of the electrode tap 111 of polymer battery 110.
Second outside plate 125 of shell body 120 can comprise bottom part 126 and lower periphery part 127, make lower periphery part 127 vertically to be coupled, thereby be formed for the housing of overlie polymer battery 110 lower surfaces, i.e. second outside plate 125 along the both sides of bottom part 126.In addition, second outside plate 125 can comprise a plurality of bottom locking hole 128a.As shown in Figure 1, a plurality of bottom locking hole 128a can be formed the front side of passing second outside plate 125, make that in case polymers battery 110 is put into shell body 120 position of described a plurality of bottom locking hole 128a just can be corresponding with the position of the electrode tap 111 of polymer battery 110 and top locking hole 124a.
The rear portion engagement plate 120a of shell body 120 can be perpendicular to first and second outside plates 121 and 125, and as the interface components between them.Therefore, between rear portion engagement plate 120a and first and second outside plates 121 and 125 be connected part can form have the shape that can deposit the volume of polymer battery therein, be shell body 120.What should remind is, in case first and second outside plates 121 and 125 are coupled, top periphery and lower periphery part 123 and 127 can be coupled each other, and this will illustrate in greater detail with reference to figure 5A.In addition, rear portion engagement plate 120a can be crooked, bends to predetermined degree of crook when for example opening shell body 120, for example is parallel to first and second outside plates 121 and 125.In other words, rear portion engagement plate 120a can be crooked backward when the part 122 of the top of unlatching shell body 120, thereby form inverted "L" shaped.As those skilled in the art according to the design of the type of polymer battery or battery pack determined, rear portion engagement plate 120a can be formed by any material, or forms Any shape.
Be not only limited in theory, can believe by forming shell body 120 by above-mentioned material and by being connected first and second outside plates 121 and 125 by rear portion engagement plate 120a, the polymer battery group can present enough intensity and erosion degree minimum, thereby can overcome one or more defective of the prior art substantially.
The lid 150 of the polymer battery group 100 of an embodiment of the present invention can parallelly be connected to every side of shell body 120.In other words, each lid 150 can be attached to the perimeter sides and the definite length extended of shell body 120.In this respect, it should be noted that as shown in Figure 1, " perimeter sides " of shell body 120 or its top part or bottom part 121 and 125 can refer to be positioned as be parallel to covers 150 and perpendicular to the lateral edge of moulding resin spare 140 and protective circuit plate 130.On the other hand, " rear portion side " of shell body 120 can refer to be positioned as the rear side that is parallel to moulding resin spare 140 and the shell body 120 relative with it.Be not only limited in theory, can believe cover 150 and shell body 120, i.e. binding between first outside plate 121 and second outside plate 125 can further improve the intensity of polymer battery group 100.
As those of ordinary skill is determined, each lid 150 can be formed by plastic resin, metal or any other suitable material, described lid comprises the insulator spare 155 that is positioned at its inner surface, make in case will cover 150 and shell body 120 between linking, insulator just adheres between them by for example adhesive tape.Each lid 150 can comprise a plurality of projections 154, vertical body 151, the vertical part 153 of vertical part 152 in top and bottom in addition.Described a plurality of projection 154 can be formed on the front of each lid 150.As hereinafter will further discussing like that, the vertical part 152 in upper and lower and 153 can be positioned to help each to cover binding between 150 and first and second outside plates 121 and 125 with reference to figure 5A.
For example can form the moulding resin spare 140 of the polymer battery group 100 of an embodiment of the present invention through moulding process by making thermoplastic resin or its equivalent.Moulding resin spare 140 can make moulding resin spare 140 and to cover 150 with shell body 120 and be connected, as shown in Figure 1 at the anterior of the shell body 120 between the lid 150 and perpendicular to lid 150.Particularly, moulding resin spare 140 can be coupled on the shell body 120 by upper and lower locking hole 124a and 128a, thereby can opacity polymer battery 110, and itself and outside are separated.Be not only limited in theory, can believe that this linking between moulding resin spare 140 and the shell body 120 can provide enough overall durability for polymer battery group 100, and be subjected to bending in battery pack, its extent of damage is minimum when external impact such as reversing, falling.
And as shown in Figure 1, moulding resin spare 140 can comprise a plurality of openings 141, a plurality of hole 142 and active paper 143.Opening 141 can be positioned to correspondingly, make electrode terminal 131 can pass it and be connected with outside with the electrode terminal 131 of protective circuit plate 130.Active paper 143 can by a plurality of holes 142 the inboard of polymer battery group 100, be protective circuit plate 130 around humidity detecting function is provided.In view of the above, a plurality of holes 142 can be connected with protective circuit plate 130, can link active paper 143 simultaneously with a plurality of holes 142 on the anterior face that covers moulding resin spare 140.
Therefore, polymer battery 110 can be encapsulated in the inboard of shell body 120, can link two lids 150 and moulding resin spare 140 simultaneously to surround the periphery of shell body 120, as shown in Figure 1.Be not only limited in theory, can believe to adopt moulding resin spare 140 and cover 150 to be attached to the bulk strength and the stability that can improve polymer battery group 100 on the shell body 120 symmetrically.
In this; should be noted that; can the electrode tap 111 of polymer battery 110 can be positioned on the outside of shell body 120 simultaneously, to help the electrical connection between polymer battery 110 and the protective circuit plate 130 by shell body 120 encapsulation polymer batteries 110.
The polymer battery group 100 of an embodiment of the present invention also can comprise insulating surface 161.Insulating surface 161 can be set to upper surface, rear surface and the lower surface of overlie polymer battery, make that insulating surface 161 can be between shell body 120 and polymer battery 110, to prevent electrical short.Insulating surface 161 can be formed by any material that those skilled in the art determine, it can use any conventional adhesive as surperficial adhesive tape and so on.In view of the above, the linking that can be between shell body 120 and the polymer battery 110 of the bond properties of insulating surface 161 brings added strength.In addition, can improve coupling power (coupling power) by viscosity insulating surface 161.
The polymer battery group 100 of an embodiment of the present invention also can comprise label 162.Label 162 can be adhered to the outer surface of shell body 120, promptly the outer surface with first outside plate 121, rear portion engagement plate 120a and second outside plate 125 is connected.Label 162 can be provided for providing the space of manufacturing information.
Fig. 4-5 provides the details about the component structure of the battery pack 100 of an embodiment of the present invention.Particularly, shell body 120 can form can provide the hollow hexagon of memory space housing therein.More specifically, shown in Fig. 4 A-4B, first outside plate 121 can be used as and can move up and expose the upper cap of the inner space that is used to place polymer battery 110 in the shell body 120.
Shown in Fig. 4 C, shell body 120 also can comprise opening 129a, the curved surface 124c that is formed on the electrical connection that helps polymer battery 110 in its front panel, anterior vertical surface 124d and anterior horizontal surface 128b.Curved surface 124c and anterior vertical surface 124d can be positioned at vertical plane and be connected each other.Curved surface 124c can be connected the top part 122 of first outside plate 121 along its vertical side.Anterior horizontal surface 128b can be formed on the front portion of second outside plate 125 of shell body 120.Therefore, can form a plurality of top locking hole 124a that pass curved surface 124c and anterior vertical surface 124d, and can form the bottom locking hole 128a that passes anterior horizontal surface 124b.When shell body 120 was closed, upper and lower locking hole 124a and 128a can be in correspondence with each other, and were coupled with resin, to improve the intensity and the durability of shell body 120.
In this, should be noted in the discussion above that anterior vertical surface 124d and anterior horizontal surface 128b can not be coupled mutually, help between them, to form the opening 129a of preliminary dimension whereby.Therefore, electrode tap 111 and polymer battery 110 can be connected by opening 129a.
Shown in Fig. 5 A, the top periphery part 123 of first outside plate 121 can comprise upper horizontal surface 123a and upper vertical surface 123b.Upper vertical surface 123b can be connected on the upper horizontal surface 123a, and meets at right angles along the downward direction setting and with upper horizontal surface 123a.Upper horizontal surface 123a can parallelly be coupled to the surface, inside of top part 122, shown in Fig. 5 A, makes the position of upper horizontal surface 123a vertically can be lower than top part 122.
Equally, the lower periphery part 127 of second outside plate 125 can comprise the bottom first horizontal surface 127a, the bottom first vertical surface 127b, the bottom second horizontal surface 127c and the bottom second vertical surface 127d that is connected each other successively.Particularly, the bottom first horizontal surface 127a can be coupled to the surface, inside of bottom part 126 abreast, shown in Fig. 5 A, makes the position of the lower horizontal surface 127a that wins vertically be higher than bottom part 126.The first lower vertical surface 127b can be connected the first lower horizontal surface 127a, and along meeting at right angles to setting and with the first lower horizontal surface 127a upward.The second lower horizontal surface 127c can be coupled to the first lower vertical surface 127b, and is parallel to the first lower horizontal surface 127a, shown in Fig. 5 A.The second lower vertical surface 127d can be along meeting at right angles to setting and with the second lower horizontal surface 127c upward.
The second lower vertical surface 127d can be coupled to the inner surface of the upper vertical surface 123b of first outside plate 121.The first lower vertical surface 127b of the upper vertical surface 123b of first outside plate 121 and second outside plate 125 can be in the same plane, forms shell body 120 subcontinuous sidewalls thus.
As illustrating in addition among Fig. 5 A, lid 150 can be coupled to the upper horizontal surface 123a of first outside plate 121 and the first lower horizontal surface 127a of second outside plate 125 by the vertical part 153 of vertical part 152 in top and bottom.And the vertical part 152 in top of lid 150 and the top part 122 of first outside plate 121 can be in the same plane, form the subcontinuous sidewall of shell body 120 whereby.Equally, the vertical part 153 in bottom of lid 150 and the bottom part 126 of second outside plate 125 can be in the same plane, thereby form the subcontinuous sidewall of shell body 120.In this, what deserves to be mentioned is that " almost continuous " is meant except that a possible opening is wherein arranged, has the wall on uninterrupted surface.
The vertical body 151 of lid 150 can be attached to the upper vertical surface 123b of first outside plate 121 and the first lower vertical surface 127b of second outside plate 125 by insulator spare 155.
Shown in Fig. 5 B, polymer battery 110 can comprise bag 112, electrode assemblie 113 and electrolyte (not shown).The bag 112 metal forming 112a that can comprise between the first insulating barrier 112b and the second insulating barrier 112c.Metal forming 112a can be formed by metals such as aluminium, stainless steels.The first insulating barrier 112b can be formed on the top part of metal forming 112a of nylon, PETG (PET) or any similar material.The second insulating barrier 112c can be formed on the bottom part of metal forming 112a of the polypropylene (CPP) of modification or similar material.
The electrode assemblie 113 of polymer battery 110 can comprise anode electrode plate 113a, dividing plate 113b and cathode electrode plate 113c.Anode electrode plate 113a can comprise the aluminium core that is coated with as the active material of positive electrode of lithium metal oxide and so on.Cathode electrode plate 113c can comprise the copper core that is coated with as the active material of cathode of carbon and so on.Dividing plate 113b can by porous material for example polypropylene (PP), polyethylene (PE) etc. form, move between anode electrode plate 113a and cathode electrode plate 113c to help lithium ion.
Insulating surface 161 can be formed any thickness of determining by those skilled in the art, and can be adhered on the inner surface of shell body 120, make that insulating surface 161 can be between each inner surface of top part 122, bottom part 126 and rear portion engagement plate 120a at bag 112 and shell body 120.In view of the above, add stability and the durability that insulating surface 161 can improve bag 112 and shell body 120.
Shown in Fig. 5 C, protective circuit plate 130 can be connected in the electrode tap 111 of polymer battery 110 by contact conductor 132.
Upper and lower locking hole 124a and 128a filling molding resin piece 140 be can pass through, thereby intensity and durability between resin piece 140 and the shell body 120 improved.Particularly, in forming process, can moulding resin 140 be penetrated the inside of shell body 120, make moulding resin be coupled to the presumptive area of bag 112 subsequently by opening 129a.
According to another illustrative embodiments of the present invention, the polymer battery group can comprise the shell body 1200 relative with shell body 120, shown in Fig. 6-7.Shell body 1200 can be similar with the described shell body of earlier in respect of figures 1-5 120, and just the lower periphery part 127 of the top periphery part 123 of first outside plate 121 and second outside plate 125 can be respectively be coupled along the both sides of the edge and the back portion of upper and lower part 122 and 126.In other words, shown in Fig. 6 A-6B, the rear portion engagement plate 120a of shell body 120 can be replaced by the coupling structure of upper and lower peripheral part 123 and 127 in shell body 1200.
More specifically, as shown in Figure 7, in shell body 1200 rear sides, being coupled of the lower periphery part 127 of the top periphery part 123 of first outside plate 121 and second outside plate 125 can be similar to earlier in respect of figures 5A described in shell body 120 both sides the situation that is coupled of the lower periphery part 127 of the top periphery part 123 of first outside plate 121 and second outside plate 125, therefore, repeat no more here.
According to the another illustrative embodiments of the present invention shown in Fig. 8-9, polymer battery group 200 can comprise shell body 220, electrode terminal 231 and moulding resin spare 240.Polymer battery group 200 can encapsulate the polymer battery 210 that is connected with electrode tap 211.Certainly, electrode tap 211 can be connected and not be encapsulated in polymer battery group 200 inside with the outside.
Can form a plurality of upper and lower locking hole 224a and 228a that pass through first and second outside plates 221 and 225 respectively.Therefore, in case first and second outside plates 221 and 225 are coupled, described a plurality of upper and lower locking hole 224a and 228a can correspond to each other, and are combined to form ellipse.
According to an embodiment of the present invention, the moulding resin spare 240 of polymer battery group 200 can be that about 150 ℃ to 250 ℃ any thermoplastic resin forms by fusing point, is for example formed by epoxy resin.Moulding resin 240 can flow through the upper and lower locking hole 224a and the 228a of shell body 220, therefore shell body 220 can be molded on the polymer battery 210 that is packaged in wherein.
The electrode terminal 231 of the polymer battery group 200 of an embodiment of the present invention can be by resin 240 moulding, and can be only presumptive area by moulding resin spare 240 and shell body 220 outwards expose.Electrode terminal 231 can be included in by in electrode tap 211 and lead-in wire 232 and the protective circuit plate 230 that polymer battery 210 is electrically connected.Perhaps, can protective circuit plate 230 be embedded by molded, and not establish electrode terminal 231.
According to an embodiment of the present invention, polymer battery group 200 also can comprise the electrode tap 211 that is installed in polymer battery 210 and the insulator (not shown) between the protective circuit plate 230.
Alternative is that shown in Figure 10 A-10C, polymer battery group 200 can comprise shell body 320, shell body 420 or shell body 520, replaces the described shell body 220 of earlier in respect of figures 8-9.
Shown in Figure 10 A, shell body 320 can comprise first outside plate 321, second outside plate 325 and form the top locking hole 324a that passes first outside plate 321.In other words, there is not to form the hole of passing second outside plate 325.Therefore, moulding resin spare (not shown) can be formed between first outside plate 321 and the polymer battery (not shown).
Shown in Figure 10 B, shell body 420 can comprise first outside plate 421, second outside plate 425 and form the bottom locking hole 428a that passes second outside plate 425.In other words, there is not to form the hole of passing first outside plate 421.Therefore, moulding resin spare (not shown) can be formed between second outside plate 425 and the polymer battery (not shown).
Shown in Figure 10 C, shell body 520 can comprise first outside plate 521, second outside plate 525 and be formed on center locking hole 524 in the borderline region between first and second outside plates 521 and 525, make shell body 520 can be shaped as flat tubulose.Therefore, the moulding resin (not shown) can flow through center locking hole 524, thereby forms moulding layer around the polymer battery (not shown) in the border between first and second outside plates 521 and 525.
The shell body of some illustrative embodiments of the present invention, be shell body 120,220,320,420,520 and 1200 can form about 0.05mm to about 0.15mm thick.Thickness may make the intensity and the durability minimum of polymer battery group less than about 0.05mm, and thickness will make the polymer battery group overweight greater than about 0.15mm.
As mentioned above, the polymer battery group that some execution modes constitute according to the present invention in its possible bending, twist or can have higher intensity, fail safe and reliability when falling.
This specification discloses illustrative embodiments more of the present invention, although adopted some particular term, they only are used for briefly with explanatoryly illustrating, and are not used in restriction.Therefore, it will be understood by those skilled in the art that under the prerequisite of design of the present invention that does not exceed the claims statement and protection range, can make various conversion aspect form and the details.
Claims (36)
1. polymer battery group comprises:
Polymer battery;
Have the shell body of first outside plate and second outside plate, this shell body encapsulates described polymer battery;
Be electrically connected and be positioned at the electrode tap in the described shell body outside with described polymer battery;
Be electrically connected and be positioned at the protective circuit plate in the described shell body outside with described electrode tap; And
Form a plurality of upper and lowers locking hole that passes described first and second outside plates respectively.
2. polymer battery group as claimed in claim 1, wherein, described shell body comprises the rear portion engagement plate that is connected with described first and second outside plates.
3. polymer battery group as claimed in claim 2, wherein, described rear portion engagement plate can bend to predetermined angular.
4. polymer battery group as claimed in claim 1, wherein, described first and second outside plates are parallel to each other, and described polymer battery is between them.
5. polymer battery group as claimed in claim 1, wherein, described first outside plate comprises the top part that is coupled to the top periphery part, described second outside plate comprises the bottom part that is coupled to the lower periphery part.
6. polymer battery group as claimed in claim 5, wherein, described top periphery partly comprises upper horizontal surface and upper vertical surface, the position of this upper horizontal surface is lower than described top part, described lower periphery partly comprises first lower horizontal surface, second lower horizontal surface, first lower vertical surface and second lower vertical surface, and second lower horizontal surface of described second outside plate is coupled to the upper vertical surface of described first outside plate.
7. polymer battery group as claimed in claim 6, wherein, first lower vertical surface of the upper vertical surface of described first outside plate and described second outside plate is in the same plane.
8. polymer battery group as claimed in claim 7, wherein, described top periphery and lower periphery part are coupled to each perimeter sides of described upper and lower part respectively.
9. polymer battery group as claimed in claim 7, wherein, described top periphery and lower periphery part are coupled to each perimeter sides and the rear side of described upper and lower part respectively.
10. polymer battery group as claimed in claim 1, wherein, described first outside plate also comprises curved surface and is connected the anterior vertical surface of this curved surface that described second outside plate comprises anterior horizontal surface.
11. polymer battery group as claimed in claim 1, wherein, described a plurality of upper and lowers locking hole is connected with described electrode pad.
12. polymer battery group as claimed in claim 11, wherein, described protective circuit is oriented to be parallel to described upper and lower locking hole.
13. polymer battery group as claimed in claim 1 wherein, also comprises moulding resin spare.
14. polymer battery group as claimed in claim 13, wherein, described moulding resin spare comprises at least one opening that is connected with described shell body, a plurality of hole and the active paper that is connected with described a plurality of holes.
15. polymer battery group as claimed in claim 14, wherein, described at least one opening of described moulding resin spare is electrically connected with the electrode terminal of described protective circuit plate.
16. polymer battery group as claimed in claim 6 wherein, also comprises two parallel lids, each lid is coupled with described shell body.
17. polymer battery group as claimed in claim 16, wherein, each lid is coupled on first lower horizontal surface of the upper horizontal surface of described first outside plate and described second outside plate by vertical body.
18. polymer battery group as claimed in claim 16, wherein, each covers the vertical part in bottom on first lower horizontal surface that also comprises the vertical part in top on the upper horizontal surface that is coupled to described first outside plate and be coupled to described second outside plate.
19. polymer battery group as claimed in claim 18, wherein, the top part of vertical part in described top and described first outside plate is in the same plane, and the bottom part of vertical part in described bottom and described second outside plate is in the same plane.
20. polymer battery group as claimed in claim 13 wherein, also comprises the insulator between described electrode tap and described shell body.
21. polymer battery group as claimed in claim 20, wherein, described insulator is connected with described protective circuit plate by moulding resin spare.
22. polymer battery group as claimed in claim 1, wherein, described protective circuit plate comprises at least one contact conductor that is coupled in the described electrode tap.
23. polymer battery group as claimed in claim 22, wherein, described protective circuit plate also comprises the insulating part between described at least one contact conductor and described electrode tap.
24. polymer battery group as claimed in claim 1 wherein, also comprises the lip-deep label that is in described shell body.
25. polymer battery group as claimed in claim 24, wherein, described label is connected with described second outside plate with described first outside plate.
26. polymer battery group as claimed in claim 1, wherein, described polymer battery comprises bag, has insulator layer, the electrolyte of metal forming and the electrode assemblie that is connected with described electrode tap.
27. polymer battery group as claimed in claim 5 wherein, also comprises the insulating surface that contacts with at least one side surface of top part, bottom part and described shell body.
28. polymer battery group as claimed in claim 27, wherein, described insulating surface is an adhesive surface.
29. polymer battery group as claimed in claim 16 wherein, also comprises the insulator spare between each lid and described shell body.
30. polymer battery group as claimed in claim 29, wherein, described insulator spare is an adhesive tape.
31. a polymer battery group comprises:
Polymer battery;
Have the shell body of first outside plate and second outside plate, this shell body encapsulates described polymer battery;
Be electrically connected and be positioned at the electrode tap in the described shell body outside with described polymer battery;
Be electrically connected and be positioned at the protective circuit plate in the described shell body outside with described electrode tap;
Surround the moulding resin spare of described shell body; And
Pass a plurality of upper and lowers locking hole of described shell body.
32. polymer battery group as claimed in claim 31 wherein, also comprises at least one the top locking hole that passes described first outside plate.
33. polymer battery group as claimed in claim 31 wherein, also comprises at least one the bottom locking hole that passes described second outside plate.
34. polymer battery group as claimed in claim 31 wherein, also comprises at least one the center locking hole by the border between described first and second outside plates.
35. polymer battery group as claimed in claim 31, wherein, formation is oval thereby described bottom and top locking hole correspond to each other.
36. polymer battery group as claimed in claim 31, wherein, described shell body is the tubulose of opening.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050134563A KR100770115B1 (en) | 2005-12-29 | 2005-12-29 | Battery Pack |
| KR134563/05 | 2005-12-29 | ||
| KR46745/06 | 2006-05-24 | ||
| KR1020060046745A KR101243580B1 (en) | 2006-05-24 | 2006-05-24 | Polymer battery pack |
| KR74394/06 | 2006-08-07 | ||
| KR1020060074394A KR100770097B1 (en) | 2006-08-07 | 2006-08-07 | Polymer battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101026249A CN101026249A (en) | 2007-08-29 |
| CN101026249B true CN101026249B (en) | 2011-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101309287A Expired - Fee Related CN101026249B (en) | 2005-12-29 | 2006-12-29 | Polymer battery pack |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100770115B1 (en) |
| CN (1) | CN101026249B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100922468B1 (en) * | 2007-09-21 | 2009-10-21 | 삼성에스디아이 주식회사 | Battery pack |
| CN102144317B (en) * | 2008-09-05 | 2014-10-08 | 松下电器产业株式会社 | Battery pack |
| KR100995429B1 (en) | 2008-10-13 | 2010-11-18 | 삼성에스디아이 주식회사 | Battery pack |
| DE102009035489A1 (en) * | 2009-07-31 | 2011-02-03 | Daimler Ag | Single cell for a battery |
| US8637173B2 (en) * | 2011-02-21 | 2014-01-28 | Samsung Sdi Co., Ltd. | Battery pack |
| US9397320B2 (en) * | 2011-03-14 | 2016-07-19 | Samsung Sdi Co., Ltd. | Battery pack |
| US20120279075A1 (en) * | 2011-05-02 | 2012-11-08 | Amsel Klaus Guenter | Improved battery housing for battery-powered device |
| KR20130065291A (en) * | 2011-12-09 | 2013-06-19 | 삼성에스디아이 주식회사 | Battery pack |
| DE102015206182A1 (en) * | 2014-05-06 | 2015-11-12 | Robert Bosch Gmbh | Isolating contiguous lithium-ion batteries by complete encapsulation / pouring of the container in a device |
| CN112531255B (en) | 2015-02-27 | 2023-07-07 | 株式会社Lg新能源 | Battery module |
| KR102201348B1 (en) * | 2017-01-17 | 2021-01-08 | 주식회사 엘지화학 | Fabricating method of battery module |
| KR102207881B1 (en) * | 2017-01-17 | 2021-01-25 | 주식회사 엘지화학 | Battery module, battery pack comprising the battery module and vehicle comprising the battery pack |
| CN115133238A (en) * | 2018-01-23 | 2022-09-30 | 东莞新能德科技有限公司 | Battery and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0613204A1 (en) * | 1993-02-08 | 1994-08-31 | Globe-Union Inc. | Thermal management of rechargeable batteries |
| CN2631052Y (en) * | 2003-06-13 | 2004-08-04 | 比亚迪股份有限公司 | Lithium ion cell |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200406609Y1 (en) | 2005-11-04 | 2006-01-23 | (주)미네르바코리아 | Inner battery pack |
-
2005
- 2005-12-29 KR KR1020050134563A patent/KR100770115B1/en not_active IP Right Cessation
-
2006
- 2006-12-29 CN CN2006101309287A patent/CN101026249B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0613204A1 (en) * | 1993-02-08 | 1994-08-31 | Globe-Union Inc. | Thermal management of rechargeable batteries |
| CN2631052Y (en) * | 2003-06-13 | 2004-08-04 | 比亚迪股份有限公司 | Lithium ion cell |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100770115B1 (en) | 2007-10-24 |
| KR20070071252A (en) | 2007-07-04 |
| CN101026249A (en) | 2007-08-29 |
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