CN102479931A - Flexible-package battery and preparation method thereof - Google Patents
Flexible-package battery and preparation method thereof Download PDFInfo
- Publication number
- CN102479931A CN102479931A CN2010105755211A CN201010575521A CN102479931A CN 102479931 A CN102479931 A CN 102479931A CN 2010105755211 A CN2010105755211 A CN 2010105755211A CN 201010575521 A CN201010575521 A CN 201010575521A CN 102479931 A CN102479931 A CN 102479931A
- Authority
- CN
- China
- Prior art keywords
- spacer ring
- flexible
- welding position
- opening
- packed battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a flexible-package battery and a preparation method thereof. The flexible-package battery comprises a housing, an anode tab (2), a cathode tab (3), and at least two coiled cores (1) contained in the housing. Each coiled core (1) is provided with an anode outlet terminal (4) and a cathode outlet terminal (5). All anode outlet terminals (4) are welded with the anode tab (2), such that a first welded section (6) is formed. All cathode outlet terminals (5) are welded with the cathode tab (3), such that a second welded section (7) is formed. The flexible-package battery also comprises a first separating ring (8) and a second separating ring (11). The first separating ring (8) is positioned between the two welded sections and the coiled cores (1). The second separating ring (11) is positioned between the two welded sections and the housing. The flexible-package battery provided by the invention assists in preventing battery short circuit. With the flexible-package battery, the safety performance of the battery is improved.
Description
Technical field
The present invention relates to field of batteries, be specifically related to a kind of flexible-packed battery and preparation method thereof.
Background technology
Because the shell of flexible-packed battery is softer aluminum-plastic composite membrane, so compare with the battery of traditional metal shell, flexible-packed battery has the processing of being easy to, and can adapt to the advantage of the production of different model battery.In addition, the metal shell of conventional batteries is normally through welding forming, so there are many potential safety hazards in conventional batteries.And the shell of flexible-packed battery is through hot forming, so flexible-packed battery is safer.Flexible-packed battery is owing to having above advantage, so obtained application more and more widely.
Because the oversize battery manufacture difficulty of pole piece is very big, and performance is difficult to guarantee, so in order to obtain high capacity cell, usually battery is made as multireel core battery.When making multireel core battery; At first with a plurality of volume core parallel connections; The anodal exit that is about to a plurality of volume cores welds together, and the negative pole exit welds together, and on said anodal exit and negative pole exit, welds a positive pole ear and a negative lug then more respectively.Because the lug welding position is very sharp, thus the housing of easy diaphragm in this welding position or flexible-packed battery, thus cause battery short circuit, cause battery heating swell, even blast.For fear of battery short circuit, processing method commonly used is at lug welding position rubberizing paper, and is solid but gummed paper and lug are difficult to cement.Behind long period of soaking electrolyte, gummed paper can separate with lug, loses protective effect.
Summary of the invention
The object of the present invention is to provide good flexible-packed battery of a kind of security performance and preparation method thereof.
At first; The invention provides a kind of flexible-packed battery; This flexible-packed battery comprises housing, anode ear, negative electrode lug and is contained at least two volume cores in the said housing; Each said volume core is provided with anodal exit and negative pole exit, and all anodal exits and said anode ear weld together and form first welding position, and all negative pole exits and said negative electrode lug weld together and form second welding position; Wherein, This flexible-packed battery also comprises first spacer ring and second spacer ring, and said first spacer ring is between said first welding position and second welding position and said volume core, and said second spacer ring is between said first welding position and second welding position and said housing.
Preferably, said first spacer ring has first opening, and said anodal exit and negative pole exit pass said first opening and stretch out; Said second spacer ring has second opening, and said anode ear and negative electrode lug pass said second opening and stretch out.
Preferably, said first opening is an elongated orifices; Said second opening is a groove.
Preferably, said first spacer ring and second spacer ring are sheet.
Preferably, said first spacer ring and second spacer ring are processed by insulating material.
Preferably, said first spacer ring is fixed on the said volume core through the first insulation gummed paper.
Preferably, the said first insulation gummed paper is arranged on the middle part of said first spacer ring.
Preferably, said second spacer ring is fixed on the said volume core through the second insulation gummed paper.
Preferably, the said second insulation gummed paper is two, and these two second insulation gummed papers are separately positioned on the two ends of said second spacer ring.
In addition, the present invention also provides a kind of preparation method of flexible-packed battery, and wherein, this preparation method comprises: step 1: at least two volume cores are arranged side by side; Step 2: first spacer ring is placed on the end face of said at least two volume cores, makes anodal exit and negative pole exit on said at least two volume cores stretch out in said first spacer ring; Step 3: all anodal exits and anode ear are welded together and form first welding position, and this of formation first welding position is positioned at the top of said first spacer ring; All negative pole exits and negative electrode lug are welded together and form second welding position, and this of formation second welding position is positioned at the top of said first spacer ring; Step 4: place second spacer ring, make said second spacer ring cover said first welding position and second welding position, make said anode ear and negative electrode lug stretch out in said second spacer ring simultaneously; With step 5: will have said first spacer ring and second spacer ring said at least two the volume cores be encapsulated in the housing.
Preferably, said first spacer ring has first opening, and said anodal exit and negative pole exit pass said first opening and stretch out; Said second spacer ring has second opening, and said anode ear and negative electrode lug pass said second opening and stretch out.
Preferably, said first opening is an elongated orifices; Said second opening is a groove.
Preferably, said first spacer ring and second spacer ring are sheet.
Preferably, said first spacer ring and second spacer ring are processed by insulating material.
Preferably, in said step 2, said first spacer ring is fixed on the said volume core through the first insulation gummed paper.
Preferably, the said first insulation gummed paper is arranged on the middle part of said first spacer ring.
Preferably, in said step 4, said second spacer ring is fixed on the said volume core through the second insulation gummed paper.
Preferably, the said second insulation gummed paper is two, these two second insulation gummed papers is separately positioned on the two ends of said second spacer ring.
Because flexible-packed battery provided by the invention also comprises first spacer ring and second spacer ring; Said first spacer ring is isolated said volume core and said first welding position and second welding position; Said second spacer ring is isolated said housing and said first welding position and second welding position; So can avoid said first welding position to contact with said housing with said volume core effectively with second welding position; Thereby prevent that first welding position and second welding position from will roll up the barrier film or the housing of core and piercing through, and then prevent that battery is short-circuited, improved the security performance of battery.
Other features and advantages of the present invention will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiment of the present invention, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is placed on the structural representation on the volume core with first spacer ring;
Fig. 2 is fixed on the structural representation on the volume core through the first insulation gummed paper with first spacer ring;
Fig. 3 is the structural representation that anode ear and negative electrode lug are welded together with anodal exit and negative pole exit respectively;
Fig. 4 is the structural representation that anode ear and negative electrode lug are erected;
Fig. 5 is placed on the structural representation on the volume core with second spacer ring;
Fig. 6 is fixed on the structural representation on the volume core through the second insulation gummed paper with second spacer ring;
Fig. 7 is a kind of structural representation of execution mode of first spacer ring of flexible-packed battery provided by the invention;
Fig. 8 is a kind of structural representation of execution mode of second spacer ring of flexible-packed battery provided by the invention.
Description of reference numerals
1: the volume core; 2: anode ear; 3: negative electrode lug; 4: anodal exit; 5: the negative pole exit; 6: the first welding positions; 7: the second welding positions; 8: the first spacer rings; 9: the second insulation gummed papers; 10: the first openings; 11: the second spacer rings; 12: the second openings; 13: the first insulation gummed papers; 14: the lug film.
Embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
Extremely shown in Figure 6 like Fig. 1; The invention provides a kind of flexible-packed battery; This flexible-packed battery comprises housing (not shown), anode ear 2, negative electrode lug 3 and is contained at least two volume cores 1 in the said housing; Each said volume core 1 is provided with anodal exit 4 and negative pole exit 5, and all anodal exits 4 weld together with said anode ear 2 and form first welding position 6, and all negative pole exits 5 weld together with said negative electrode lug 3 and form second welding position 7; Wherein, This flexible-packed battery also comprises first spacer ring 8 and second spacer ring 11, and said first spacer ring 8 is between said first welding position 6 and second welding position 7 and said volume core 1, and said second spacer ring 11 is between said first welding position 6 and second welding position 7 and said housing.
Because this flexible-packed battery also comprises first spacer ring 8 and second spacer ring 11; Said first spacer ring 8 is isolated said volume core 1 and said first welding position 6 and second welding position 7; Said second spacer ring 11 is isolated said housing and said first welding position 6 and second welding position 7; So can avoid said first welding position 6 to contact with said housing with said volume core 1 effectively with second welding position 7; Thereby prevent that first welding position 6 and second welding position 7 from will roll up the barrier film or the housing of core 1 and piercing through, and then prevent that battery is short-circuited, improved the security performance of battery.
Arrange first spacer ring 8 for ease and anodal exit 4 is stretched out from first spacer ring 8 with negative pole exit 5 easily, preferably, said first spacer ring 8 has first opening 10, and said anodal exit 4 passes said first opening 10 with negative pole exit 5 and stretches out.
Said first opening 10 can be the opening of different shape, for example the breach of hole, groove or other shape.Said hole is generally elongated orifices.The number of said first opening 10 is selected according to concrete needs.For example, when said first opening 10 was elongated orifices, the number of said first opening 10 can equate that with total number of said anodal exit 4 and negative pole exit 5 each anodal exit 4 stretches out through each first opening 10 respectively with negative pole exit 5.Certainly, said first opening 10 also can be two, and at this moment, all anodal exits 4 stretch out through one first opening 10, and all negative pole exits 5 stretch out through another first opening 10.Fix the position of first spacer ring 8 for ease, preferably, said first opening 10 is an elongated orifices.As shown in Figure 7, it is elongated orifices that first spacer ring 8 has four first openings, 10, the first openings 10.First spacer ring 8 shown in Figure 7 can be used to have the battery of two volume cores 1.When using, two anodal exits 4 and two negative pole exits 5 of two volume cores 1 stretch out through four first openings 10 respectively.As selection, said first opening 10 also can be one, and all anodal exits 4 all stretch out through this one first opening 10 with negative pole exit 5.
Arrange second spacer ring 11 for ease and anode ear 2 and negative electrode lug 3 are stretched out from second spacer ring 11 easily, preferably, said second spacer ring 11 has second opening 12, and said anode ear 2 passes said second opening 12 with negative electrode lug 3 and stretches out.
Said second opening 12 can be the opening of different shape, for example the breach of hole, groove or other shape.Said second opening 12 is generally two, and said anode ear 2 stretches out through two second openings 12 respectively with negative electrode lug 3.As shown in Figure 3, be respectively arranged with lug film 14 usually on said anode ear 2 and the negative electrode lug 3, scratch housing and volume core 1 to prevent anode ear 2 and negative electrode lug 3.Because lug film 14 common broads, so the setting of second spacer ring 11 for ease, preferably, said second opening 12 is a groove.As shown in Figure 8, it is groove that second spacer ring 11 has two second openings, 12, the second openings 12.When using, respectively two second openings 12 are aimed at anode ear 2 and negative electrode lug 3, anode ear 2 and negative electrode lug 3 are stretched out through two second openings 12.As selection, said second opening 12 also can be one, and said anode ear 2 all stretches out through this one second opening 12 with negative electrode lug 3.
Said first spacer ring 8 can adopt various suitable forms, as long as can isolate with first welding position 6 and second welding position 7 volume core 1 effectively.Usually, said first spacer ring 8 is a sheet.The thickness of said first spacer ring 8 is selected according to concrete needs, and the thickness of for example said first spacer ring 8 can be 0.01mm-10mm.Said first spacer ring 8 can adopt various insulating material well known in the art to process, for example PP or PET.
In order to fix the position of first spacer ring 8 securely, preferably, said first spacer ring 8 is fixed on the said volume core 1 through the first insulation gummed paper 13.The position that is provided with to the said first insulation gummed paper 13 does not have special requirement, is provided with for ease, and preferably, the said first insulation gummed paper 13 is arranged on the middle part of said first spacer ring 8.
Said second spacer ring 11 can adopt various suitable forms, as long as can isolate housing and first welding position 6 and second welding position 7 effectively.Usually, said second spacer ring 11 is a sheet.The thickness of said second spacer ring 11 is selected according to concrete needs, and the thickness of for example said second spacer ring 11 can be 0.01mm-10mm.Said second spacer ring 11 can adopt various insulating material well known in the art to process, for example PP or PET.
In order to fix the position of second spacer ring 11 securely, preferably, said second spacer ring 11 is fixed on the said volume core 1 through the second insulation gummed paper 9.The position that is provided with to the said second insulation gummed paper 9 does not have special requirement, is provided with for ease, and preferably, the said second insulation gummed paper 9 is two, and these two second insulation gummed papers 9 are separately positioned on the two ends of said second spacer ring 11.
Said housing is processed by softer material, aluminum-plastic composite membrane for example commonly used.
The structure of said anode ear 2, negative electrode lug 3 and volume core 1 is conventionally known to one of skill in the art, repeats no more at this.
In addition, to shown in Figure 6, the present invention also provides a kind of preparation method of flexible-packed battery like Fig. 1, and wherein, this preparation method comprises: step 1: at least two volume cores 1 are arranged side by side; Step 2: first spacer ring 8 is placed on the end face of said at least two volume cores 1, makes the anodal exit 4 on said at least two volume cores 1 stretch out in said first spacer ring 8 with negative pole exit 5; Step 3: all anodal exits 4 and anode ear 2 are welded together and form first welding position 6, and this of formation first welding position 6 is positioned at the top of said first spacer ring 8; All negative pole exits 5 and negative electrode lug 3 are welded together and form second welding position 7, and this of formation second welding position 7 is positioned at the top of said first spacer ring 8; Step 4: place second spacer ring 11, make said second spacer ring 11 cover said first welding position 6 and second welding position 7, make said anode ear 2 stretch out in said second spacer ring 11 simultaneously with negative electrode lug 3; With step 5: will have said first spacer ring 8 and second spacer ring 11 said at least two the volume cores 1 be encapsulated in the housing.
Arrange first spacer ring 8 for ease and anodal exit 4 is stretched out from first spacer ring 8 with negative pole exit 5 easily, preferably, said first spacer ring 8 has first opening 10, and said anodal exit 4 passes said first opening 10 with negative pole exit 5 and stretches out.
Said first opening 10 can be the opening of different shape, for example the breach of hole, groove or other shape.Said hole is generally elongated orifices.The number of said first opening 10 is selected according to concrete needs.For example, when said first opening 10 was elongated orifices, the number of said first opening 10 can equate that with total number of said anodal exit 4 and negative pole exit 5 each anodal exit 4 stretches out through each first opening 10 respectively with negative pole exit 5.Certainly, said first opening 10 also can be two, and at this moment, all anodal exits 4 stretch out through one first opening 10, and all negative pole exits 5 stretch out through another first opening 10.Fix the position of first spacer ring 8 for ease, preferably, said first opening 10 is an elongated orifices.As shown in Figure 7, it is elongated orifices that first spacer ring 8 has four first openings, 10, the first openings 10.First spacer ring 8 shown in Figure 7 can be used to have the battery of two volume cores 1.When using, two anodal exits 4 and two negative pole exits 5 of two volume cores 1 stretch out through four first openings 10 respectively.As selection, said first opening 10 also can be one, and all anodal exits 4 all stretch out through this one first opening 10 with negative pole exit 5.
Arrange second spacer ring 11 for ease and anode ear 2 and negative electrode lug 3 are stretched out from second spacer ring 11 easily, preferably, said second spacer ring 11 has second opening 12, and said anode ear 2 passes said second opening 12 with negative electrode lug 3 and stretches out.
Said second opening 12 can be the opening of different shape, for example the breach of hole, groove or other shape.Said second opening 12 is generally two, and said anode ear 2 stretches out through two second openings 12 respectively with negative electrode lug 3.As shown in Figure 3, be respectively arranged with lug film 14 usually on said anode ear 2 and the negative electrode lug 3, scratch housing and volume core 1 to prevent anode ear 2 and negative electrode lug 3.Because lug film 14 common broads, so the setting of second spacer ring 11 for ease, preferably, said second opening 12 is a groove.As shown in Figure 8, it is groove that second spacer ring 11 has two second openings, 12, the second openings 12.When using, respectively two second openings 12 are aimed at anode ear 2 and negative electrode lug 3, anode ear 2 and negative electrode lug 3 are stretched out through two second openings 12.As selection, said second opening 12 also can be one, and said anode ear 2 all stretches out through this one second opening 12 with negative electrode lug 3.
Said first spacer ring 8 can adopt various suitable forms, as long as can isolate with first welding position 6 and second welding position 7 volume core 1 effectively.Usually, said first spacer ring 8 is a sheet.The thickness of said first spacer ring 8 is selected according to concrete needs, and the thickness of for example said first spacer ring 8 can be 0.01mm-10mm.Said first spacer ring 8 can adopt various insulating material well known in the art to process, for example PP or PET.
In order to fix the position of first spacer ring 8 securely, preferably, in said step 2, said first spacer ring 8 is fixed on the said volume core 1 through the first insulation gummed paper 13.The position that is provided with to the said first insulation gummed paper 13 does not have special requirement, is provided with for ease, preferably, the said first insulation gummed paper 13 is arranged on the middle part of said first spacer ring 8.
Said second spacer ring 11 can adopt various suitable forms, as long as can isolate housing and first welding position 6 and second welding position 7 effectively.Usually, said second spacer ring 11 is a sheet.The thickness of said second spacer ring 11 is selected according to concrete needs, and the thickness of for example said second spacer ring 11 can be 0.01mm-10mm.Said second spacer ring 11 can adopt various insulating material well known in the art to process, for example PP or PET.
In order to fix the position of second spacer ring 11 securely, preferably, in said step 4, said second spacer ring 11 is fixed on the said volume core 1 through the second insulation gummed paper 9.The position that is provided with to the said second insulation gummed paper 9 does not have special requirement, is provided with for ease, and preferably, the said second insulation gummed paper 9 is two, these two second insulation gummed papers 9 is separately positioned on the two ends of said second spacer ring 11.
In addition, in step 1, said at least two volume cores 1 are fit together, the anodal exit 4 of said at least two volume cores 1 is arranged side by side respectively with negative pole exit 5.
In addition, in step 3, can adopt various suitable mode well known in the art that all anodal exits 4 and anode ear 2 are welded together and all negative pole exits 5 and negative electrode lug 3 are welded together.For example; As shown in Figure 3; Can at first two anodal exits 4 be bent and weld together; With two negative pole exits 5 bending and weld together, the anodal exit 4 that will weld together then welds together with anode ear that stands upside down 2 and negative electrode lug 3 respectively with negative pole exit 5, thereby forms first welding position 6 and second welding position 7; As shown in Figure 4 then, turn down anode ear 2 and negative electrode lug 3 respectively, anode ear 2 and negative electrode lug 3 are stood upright on the end face of volume core 1, and make said first welding position 6 and second welding position 7 be positioned at the top of said first spacer ring 8.In addition, the mode of welding is generally the mode of spot welding.
Said housing is processed by softer material, aluminum-plastic composite membrane for example commonly used.
In step 5, can will have first spacer ring 8 and second spacer ring 11 at least two volume cores 1 through the whole bag of tricks well known in the art and be encapsulated in the housing.For example: can at first cut out rectangular aluminum-plastic composite membrane; On a side of this aluminum-plastic composite membrane, stamp out the groove of a cuboid, the length and width height of groove is confirmed according to the size of pole piece, with the opposite side of aluminum-plastic composite membrane and a side doubling at groove place; Describe for convenient; Limit after the aluminum-plastic composite membrane doubling is called conduplication side, will the limit relative be called lug and draws the limit, all the other both sides are called side with conduplication side; To have then in the groove that first spacer ring 8 and second spacer ring 11 at least two volume cores 1 place the aluminum-plastic composite membrane after the doubling, and make anode ear 2 and negative electrode lug 3 draw the limit and stretch out through lug; Seal lug afterwards and draw limit and dual-side, encapsulate and change into.Wherein, technology such as encapsulate, change into and be conventionally known to one of skill in the art, repeat no more at this.
The preparation method of said anode ear 2, negative electrode lug 3 and volume core 1 is conventionally known to one of skill in the art, repeats no more at this.
Because the flexible-packed battery that makes through said method also comprises first spacer ring 8 and second spacer ring 11; Said first spacer ring 8 is isolated said volume core 1 and said first welding position 6 and second welding position 7; Said second spacer ring 11 is isolated said housing and said first welding position 6 and second welding position 7; So can avoid said first welding position 6 to contact with said housing with said volume core 1 effectively with second welding position 7; Thereby prevent that first welding position 6 and second welding position 7 from will roll up the barrier film or the housing of core 1 and piercing through, and then prevent that battery is short-circuited, improved the security performance of battery.
Need to prove that each the concrete technical characterictic described in above-mentioned embodiment can carry out combination in any through any suitable manner, it falls within the disclosed scope of the present invention equally.In addition, also can carry out combination in any between the various execution mode of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned execution mode; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Claims (18)
1. flexible-packed battery; This flexible-packed battery comprises housing, anode ear (2), negative electrode lug (3) and is contained at least two volume cores (1) in the said housing; Each said volume core (1) is provided with anodal exit (4) and negative pole exit (5); All anodal exits (4) and said anode ear (2) weld together and form first welding position (6); All negative pole exits (5) weld together with said negative electrode lug (3) and form second welding position (7), it is characterized in that this flexible-packed battery also comprises first spacer ring (8) and second spacer ring (11); Said first spacer ring (8) is positioned between said first welding position (6) and second welding position (7) and the said volume core (1), and said second spacer ring (11) is positioned between said first welding position (6) and second welding position (7) and the said housing.
2. flexible-packed battery according to claim 1, wherein, said first spacer ring (8) has first opening (10), and said anodal exit (4) and negative pole exit (5) pass said first opening (10) and stretch out; Said second spacer ring (11) has second opening (12), and said anode ear (2) and negative electrode lug (3) pass said second opening (12) and stretch out.
3. flexible-packed battery according to claim 2, wherein, said first opening (10) is an elongated orifices; Said second opening (12) is a groove.
4. flexible-packed battery according to claim 1, wherein, said first spacer ring (8) and second spacer ring (11) are sheet.
5. flexible-packed battery according to claim 1, wherein, said first spacer ring (8) and second spacer ring (11) are processed by insulating material.
6. flexible-packed battery according to claim 1, wherein, said first spacer ring (8) is fixed on the said volume core (1) through the first insulation gummed paper (13).
7. flexible-packed battery according to claim 6, wherein, the said first insulation gummed paper (13) is arranged on the middle part of said first spacer ring (8).
8. flexible-packed battery according to claim 1, wherein, said second spacer ring (11) is fixed on the said volume core (1) through the second insulation gummed paper (9).
9. flexible-packed battery according to claim 8, wherein, the said second insulation gummed paper (9) is two, these two second insulation gummed papers (9) are separately positioned on the two ends of said second spacer ring (11).
10. the preparation method of a flexible-packed battery is characterized in that, this preparation method comprises:
Step 1: at least two volume cores (1) are arranged side by side;
Step 2: first spacer ring (8) is placed on the end face of said at least two volume cores (1), makes anodal exit (4) and negative pole exit (5) on said at least two volume cores (1) stretch out in said first spacer ring (8);
Step 3: all anodal exits (4) and anode ear (2) are welded together and form first welding position (6), and this of formation first welding position (6) is positioned at the top of said first spacer ring (8); All negative pole exits (5) and negative electrode lug (3) are welded together and form second welding position (7), and this of formation second welding position (7) is positioned at the top of said first spacer ring (8);
Step 4: place second spacer ring (11), make said second spacer ring (11) cover said first welding position (6) and second welding position (7), make said anode ear (2) and negative electrode lug (3) stretch out in said second spacer ring (11) simultaneously; With
Step 5: said at least two volume cores (1) that will have said first spacer ring (8) and second spacer ring (11) are encapsulated in the housing.
11. the preparation method of flexible-packed battery according to claim 10, wherein, said first spacer ring (8) has first opening (10), and said anodal exit (4) and negative pole exit (5) pass said first opening (10) and stretch out; Said second spacer ring (11) has second opening (12), and said anode ear (2) and negative electrode lug (3) pass said second opening (12) and stretch out.
12. the preparation method of flexible-packed battery according to claim 11, wherein, said first opening (10) is an elongated orifices; Said second opening (12) is a groove.
13. the preparation method of flexible-packed battery according to claim 10, wherein, said first spacer ring (8) and second spacer ring (11) are sheet.
14. the preparation method of flexible-packed battery according to claim 10, wherein, said first spacer ring (8) and second spacer ring (11) are processed by insulating material.
15. the preparation method of flexible-packed battery according to claim 10 wherein, is fixed on said first spacer ring (8) on the said volume core (1) through the first insulation gummed paper (13) in said step 2.
16. the preparation method of flexible-packed battery according to claim 15 wherein, is arranged on the said first insulation gummed paper (13) at the middle part of said first spacer ring (8).
17. the preparation method of flexible-packed battery according to claim 10 wherein, is fixed on said second spacer ring (11) on the said volume core (1) through the second insulation gummed paper (9) in said step 4.
18. the preparation method of flexible-packed battery according to claim 17, wherein, the said second insulation gummed paper (9) is two, these two second insulation gummed papers (9) is separately positioned on the two ends of said second spacer ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010575521.1A CN102479931B (en) | 2010-11-30 | 2010-11-30 | Flexible-package battery and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010575521.1A CN102479931B (en) | 2010-11-30 | 2010-11-30 | Flexible-package battery and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102479931A true CN102479931A (en) | 2012-05-30 |
| CN102479931B CN102479931B (en) | 2014-12-17 |
Family
ID=46092477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010575521.1A Active CN102479931B (en) | 2010-11-30 | 2010-11-30 | Flexible-package battery and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102479931B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784909A (en) * | 2016-12-29 | 2017-05-31 | 东莞市金源电池科技有限公司 | Double battery core batteries and its preparation technology of a kind of high safety |
| CN109802059A (en) * | 2017-11-17 | 2019-05-24 | 宁德新能源科技有限公司 | Battery |
| CN114597605A (en) * | 2020-12-04 | 2022-06-07 | 比亚迪股份有限公司 | Battery with a battery cell |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785151Y (en) * | 2004-10-30 | 2006-05-31 | 比亚迪股份有限公司 | Stack type lithium ion secondary battery |
| CN201022084Y (en) * | 2006-10-24 | 2008-02-13 | 比亚迪股份有限公司 | A covering plate and secondary battery with this covering board |
| CN201112481Y (en) * | 2007-09-30 | 2008-09-10 | 武汉昊诚能源科技有限公司 | Soft package lithium magnesium disposable rectangular cell structure |
| CN201294244Y (en) * | 2008-10-10 | 2009-08-19 | 比亚迪股份有限公司 | Lithium ion battery |
| JP4338985B2 (en) * | 2002-02-06 | 2009-10-07 | 三星エスディアイ株式会社 | Battery part, lithium polymer battery and manufacturing method thereof |
| CN201438481U (en) * | 2009-06-08 | 2010-04-14 | 深圳市金和能电池科技有限公司 | Lithium battery space ring and lithium battery employing same |
| CN201629365U (en) * | 2009-02-27 | 2010-11-10 | 深圳市中天平步科技有限公司 | Novel assembly structure of aluminum-shell lithium battery |
-
2010
- 2010-11-30 CN CN201010575521.1A patent/CN102479931B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4338985B2 (en) * | 2002-02-06 | 2009-10-07 | 三星エスディアイ株式会社 | Battery part, lithium polymer battery and manufacturing method thereof |
| CN2785151Y (en) * | 2004-10-30 | 2006-05-31 | 比亚迪股份有限公司 | Stack type lithium ion secondary battery |
| CN201022084Y (en) * | 2006-10-24 | 2008-02-13 | 比亚迪股份有限公司 | A covering plate and secondary battery with this covering board |
| CN201112481Y (en) * | 2007-09-30 | 2008-09-10 | 武汉昊诚能源科技有限公司 | Soft package lithium magnesium disposable rectangular cell structure |
| CN201294244Y (en) * | 2008-10-10 | 2009-08-19 | 比亚迪股份有限公司 | Lithium ion battery |
| CN201629365U (en) * | 2009-02-27 | 2010-11-10 | 深圳市中天平步科技有限公司 | Novel assembly structure of aluminum-shell lithium battery |
| CN201438481U (en) * | 2009-06-08 | 2010-04-14 | 深圳市金和能电池科技有限公司 | Lithium battery space ring and lithium battery employing same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784909A (en) * | 2016-12-29 | 2017-05-31 | 东莞市金源电池科技有限公司 | Double battery core batteries and its preparation technology of a kind of high safety |
| CN109802059A (en) * | 2017-11-17 | 2019-05-24 | 宁德新能源科技有限公司 | Battery |
| CN109802059B (en) * | 2017-11-17 | 2022-04-08 | 宁德新能源科技有限公司 | Battery with a battery cell |
| CN114597605A (en) * | 2020-12-04 | 2022-06-07 | 比亚迪股份有限公司 | Battery with a battery cell |
| WO2022116469A1 (en) * | 2020-12-04 | 2022-06-09 | 比亚迪股份有限公司 | Battery |
| CN114597605B (en) * | 2020-12-04 | 2023-11-14 | 比亚迪股份有限公司 | Battery cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102479931B (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5767115B2 (en) | Button battery and method of manufacturing the same | |
| CN205376627U (en) | Secondary battery | |
| CN105609666A (en) | Button cell | |
| US20160226056A1 (en) | Method for producing an electrochemical bundle of a lithium battery | |
| CN102024988A (en) | Coiled lithium-ion power battery core and manufacturing method thereof | |
| CN104103854B (en) | A kind of stacked column lithium ion battery and preparation method thereof | |
| CN103026532A (en) | Rechargeable battery with improved safety | |
| CN103943885A (en) | Bent soft roll lithium-ion rechargeable battery and manufacturing method thereof | |
| CN101908643A (en) | Power lithium ion battery and production method thereof | |
| CN108808114A (en) | A kind of rectangular multi pole ears wound lithium-ion battery assembly method | |
| CN207967212U (en) | A kind of takeup type battery core and battery | |
| CN102916156B (en) | Multi-winding core quasi-bipolar lug battery and manufacturing method thereof | |
| CN110400959A (en) | A kind of winding double-core packet, winding double-core pack the method for making and lithium ion battery | |
| CN102479931B (en) | Flexible-package battery and preparation method thereof | |
| KR20130095371A (en) | Manufacturing method of stacked-typed electrode assembly of novel strucure | |
| CN102332614B (en) | A kind of winding-structure of lithium ion battery and preparation technology thereof | |
| CN203932227U (en) | A kind of lithium ion battery | |
| CN102487134A (en) | Middle or large sized battery | |
| CN111640994A (en) | Battery roll core and manufacturing method of lithium battery using same | |
| CN102945929A (en) | Multi-pole-set battery and manufacture method thereof | |
| CN102013511B (en) | Flexible packed cylindrical battery | |
| CN206364128U (en) | A kind of square lithium ion battery with aluminum shell | |
| CN202076356U (en) | Insulating space ring of cylindrical lithium battery and battery comprising same | |
| CN204407416U (en) | A kind of button lithium ion battery | |
| CN113964370B (en) | Power battery with four-pole group structure and assembling method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200103 Address after: No. 558, middle Oujiang Road, Haimen town, Haimen City, Nantong City, Jiangsu Province Patentee after: Nantong hardcore Lithium Battery Co., Ltd. Address before: 518118, Ping Ping Road, Pingshan Town, Longgang District, Guangdong, Shenzhen 3001 Patentee before: Biyadi Co., Ltd. |
|
| TR01 | Transfer of patent right |