CN101488566B - Soft packing cell and air tight type conductive connection structure and assembling process - Google Patents
Soft packing cell and air tight type conductive connection structure and assembling process Download PDFInfo
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- CN101488566B CN101488566B CN2008100031733A CN200810003173A CN101488566B CN 101488566 B CN101488566 B CN 101488566B CN 2008100031733 A CN2008100031733 A CN 2008100031733A CN 200810003173 A CN200810003173 A CN 200810003173A CN 101488566 B CN101488566 B CN 101488566B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a battery with soft package, airtight type conduction connecting structures and an assembling method thereof. The battery with soft package comprises a battery pole coil, a soft package and a pair of airtight type conduction connecting structures. Each airtight type conduction connecting structure comprises a conductive terminal and a pressing built-in fitting. The conductive terminal is used for conducting current of the battery pole coil to the outside and comprises a bottom plate and a projection. The bottom plate is arranged in the soft outer package and connected with the battery coil and the projection is arranged at the bottom plate and penetrates through the upper surface of the soft outer package. The pressing built-in fitting is used for pressing and fixing the soft outer package and the conductive terminal and comprises a holding plate. The holding plate comprises a first holding part, a second holding part and a turning part which connects the first holding part and the second holding part, leads the first holding part to be sheathed on the projection and stick to the upper surface of the soft outer package flat and leads the second holding part to stick to the lower surface of the soft outer package flat.
Description
Technical field
The invention relates to a kind of battery and assemble method thereof, and particularly relevant for the assemble method of a kind of flexible-packed battery and conductive connection structure and flexible-packed battery.
Background technology
On the market, though little of very powerful and exceedingly arrogant portable electric product, or, wherein all be equiped with battery greatly to the steam turbine car of the usefulness of riding instead of walk.And battery is the power source of present most of portable electric products, therefore how to reduce the battery production cost, and safety of consumer and good battery can be provided, and is the target that industry is made great efforts always.
Please refer to Fig. 1 and Fig. 2, Fig. 1 illustrates a kind of schematic diagram of traditional soft battery pack, and Fig. 2 illustrates the profile of the dotted line 2-2 ' of Fig. 1.As shown in Figure 2, flexible-packed battery 100 comprises in the soft external packing of a battery pole coil 110, one 120, one pair conduction corbel back slab 130a and 130b, externally conduction corbel back slab 140a and 140b, pair of conductive rivet 150a and 150b and two couples of seal member 160a, 160b, 170a and 170b.Wherein, the interior conduction corbel back slab 130a of flexible-packed battery 100, to conduct electricity corbel back slab 140a, conductive rivet 150a and seal member 160a and 170a outward be that a anode collector 111 corresponding to battery pole coil 110 is provided with; Relatively, the interior conduction corbel back slab 130b of flexible-packed battery 100, to conduct electricity corbel back slab 140b, conductive rivet 150b and seal member 160b and 170b outward be that a cathode current collector 111 ' corresponding to battery pole coil 110 is provided with.
In Fig. 2, anode collector 111 and cathode current collector 111 ' are to be combined with the interior conduction corbel back slab 130a and the 130b of flexible-packed battery 100 by modes such as welding or weldings.And, conductive rivet 150a and 150b are two perforation 120h and the 120h ' that penetrate soft external packing 120, make the anode collector 111 of battery pole coil 110 and the electric current of cathode current collector 111 ' be directed to outer conduction corbel back slab 140a and 140b by conductive rivet 150a and 150b by interior conduction corbel back slab 130a and 130b respectively.In addition, seal member 160a, 160b, 170a and 170b are the effects that is reached fit sealing respectively by conductive rivet 150a and 150b, leak outside from two perforation 120h and 120h ' to prevent the electrolyte in the soft external packing 120.
In the way of conduction of current traditionally, be to use rivet connect in conduction corbel back slab and outer conduction corbel back slab, electric current is passed through via the cylinder path of rivet, so current flowing will be subject to the sectional area size of rivet cylinder.Simultaneously,, be to use the fastening pressure of rivet, make perforation place sealing in the way of sealed penetration traditionally.But rivet easily has stress corrosion and joint gap etc. may cause the factor of leakage to exist.And, various in the element that the traditional soft battery pack uses, make its assembly program complexity and time and effort consuming, more need to prepare scolding tin or heat and melt and wait the smelting tool, not only cause the product yield to be difficult to promote, also make the manufacturing cost increase.
Summary of the invention
The invention relates to a kind of flexible-packed battery and air tight type conductive connection structure thereof and assemble method.This conductive connection structure is to give external circuit in order to the electric current that conducts in the battery, directly contacts battery pole coil and carries out conduction of current, and bigger electronics circulation area can be provided, and more can avoid stress corrosion and the joint close phenomenon that may cause leakage such as thin.
The present invention proposes a kind of air tight type conductive connection structure of flexible-packed battery, and wherein flexible-packed battery comprises a battery pole coil and a soft external packing that coats battery pole coil.Air tight type conductive connection structure comprises a conducting terminal and a pressing and fixing part.Conducting terminal comprises a base plate and a projection.The base plate position is within soft external packing and in order in conjunction with battery pole coil, and projection is arranged on the base plate and in order to penetrate the upper surface that protrudes soft external packing.The pressing and fixing part is in order to soft external packing of pressing and fixing and conducting terminal, and the pressing and fixing part comprises a holding piece.Holding piece has one first clamping part, one second clamping part and connects the above two a turning point, uses so that first clamping part is socketed on projection and smooth in the upper surface of soft external packing, and makes second clamping part smooth in the lower surface of soft external packing.
The present invention proposes a kind of flexible-packed battery, and it comprises a battery pole coil, a soft external packing and a pair of air tight type conductive connection structure.Battery pole coil has an anode collector and a cathode current collector.Soft external packing is in order to coat battery pole coil.Respectively as the anode conducting handle of flexible-packed battery and negative electrode conduction handle, and each air tight type conductive connection structure comprises a conducting terminal and a pressing and fixing part to air tight type conductive connection structure for this.Conducting terminal gives external circuit in order to the electric current of conductive anode collector electrode or cathode current collector, and conducting terminal comprises a base plate and a projection.The base plate position is within soft external packing and in order in conjunction with battery pole coil, projection is arranged on the base plate and in order to penetrate the upper surface that protrudes soft external packing, and the electric current that makes anode collector or cathode current collector conducts to projection via the base plate of conducting terminal and gives external circuit.The pressing and fixing part is in order to soft external packing of pressing and fixing and conducting terminal, and the pressing and fixing part comprises a holding piece.Holding piece has one first clamping part, one second clamping part and connects the above two a turning point, uses so that first clamping part is socketed on projection and smooth in the upper surface of soft external packing, and makes second clamping part smooth in the lower surface of soft external packing.
The present invention proposes a kind of assemble method of flexible-packed battery, and wherein flexible-packed battery comprises a battery pole coil and a soft external packing, and its assemble method comprises the following steps.At first, with a base plate of a conducting terminal in conjunction with battery pole coil.Then, the soft external packing of packaging by hot pressing has a soft external packing of reserving breach with formation.Then, the battery pole coil that is incorporated into conducting terminal is inserted soft external packing, make a projection of conducting terminal penetrate the upper surface that protrudes soft external packing.Then, with soft external packing of a holding piece pressing and fixing and conducting terminal, make one first clamping part of holding piece be socketed on projection and smooth, and make one second clamping part of holding piece smooth in the lower surface of soft external packing in the upper surface of soft external packing.Afterwards, inject electrolyte in soft external packing from reserving breach.Then, will vacuumize in the soft external packing from reserving breach.Moreover breach is reserved in hot sealing.
Description of drawings
For foregoing of the present invention can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below, wherein:
Fig. 1 illustrates a kind of schematic diagram of traditional soft battery pack.
Fig. 2 illustrates the profile of the dotted line 2-2 ' of Fig. 1.
Fig. 3 illustrates the schematic diagram of the flexible-packed battery of a preferred embodiment.
Fig. 4 illustrates the exploded view of Fig. 3 in the anode collector place.
Fig. 5 a-Fig. 7 c illustrates the schematic diagram of each parts of air tight type conductive connection structure respectively.
Fig. 8 illustrates the flow chart of assemble method of the flexible-packed battery of Fig. 3.
Wherein:
100,200: flexible-packed battery
110,210: battery pole coil
120,220: soft external packing
130a, 130b: interior conduction corbel back slab
140a, 140b: conduct electricity corbel back slab outward
150a, 150b: conductive rivet
160a, 160b, 170a, 170b: seal member
111,111 ', 211,211 ': collector electrode
120h, 120h ', 220h, 232h, 233h, 234h, 235h: through hole/opening
220a: upper surface
220b: lower surface
230,230 ': air tight type conductive connection structure
231: conducting terminal
231a: base plate
231b: projection
231c: utmost point volume clamping part
232: interior airtight pad
233: outer airtight pad
234: insulation spacer
234pw: flange walls
235: holding piece
235a, 235b: clamping part
235c: turning point
236a, 236b: bolt element
Embodiment
In embodiments of the invention, be to propose a kind of new conductive connection structure, the electric current that conducts thus in the battery gives external circuit.Please refer to Fig. 3, it illustrates the schematic diagram of the flexible-packed battery of a preferred embodiment.As shown in Figure 3, flexible-packed battery 200 comprises that a battery pole coil 210, coats the soft external packing 220 and a pair of air tight type conductive connection structure 230 and 230 ' of battery pole coil 210.This is to give external circuit in order to the electric current that conducts battery pole coil 210 to air tight type conductive connection structure 230 and 230 ', and wherein battery pole coil has an anode collector 211 and a cathode current collector 211 '.And, this is corresponding anode collector 211 and cathode current collector 211 ' setting respectively to air tight type conductive connection structure 230 and 230 ', with anode conducting handle and negative electrode conduction handle as flexible-packed battery 200, the electric current that gives conductive anode collector electrode 211 or cathode current collector 211 ' gives external circuit.
Below will the arrange in pairs or groups structural relation of Fig. 4 and Figure 55 a-Fig. 7 c explanation flexible-packed battery 200 and air tight type conductive connection structure.In addition because the anode of flexible-packed battery 200 is similar to the structural relation of negative electrode, so below only be illustrated with the structural relation of anode, and will repeat no more in the structural relation of negative electrode.
Please refer to Fig. 4, it illustrates the exploded view of flexible-packed battery 4 ' package assembly of locating in the position of Fig. 3, and please be simultaneously with reference to Fig. 5 a-Fig. 5 e, and it illustrates the schematic diagram of each parts of air tight type conductive connection structure respectively.As shown in Figure 4, air tight type conductive connection structure 230 comprises airtight pad 232, one an outer airtight pad 233 and an insulation spacer 234 in a conducting terminal 231, the pressing and fixing part.The pressing and fixing part comprises a holding piece 235 and a bolt element 236a and a 236b.
In Fig. 4 and Fig. 5 a-Fig. 5 b, conducting terminal 231 comprises a base plate 231a and a projection 231b, and projection 231b is arranged at base plate 231a upward (to see Fig. 5 a).Base plate 231a position combines within soft external packing 220 and with anode collector 211, and projection 231b is the upper surface 220a that protrudes soft external packing 220 in order to penetrate.Base plate 231a is the flexible U-shaped base plate (seeing Fig. 5 b) that becomes, and this U-shaped base plate 231a has utmost point volume clamping part 231c (being the U-shaped inner concave of U-shaped base plate 231a), and this utmost point volume clamping part 231c can be in order to the anode collector 211 of clamping battery pole coil 210.In present embodiment, preferable and non-exclusively, conducting terminal 231 is to look to be applied to male or female and aluminium material or copper material.And the flexible U-shaped base plate 231a that becomes of the base plate 231a of conducting terminal 231 with the collector electrode of clamping battery pole coil 210, but not uses traditionally to come in conjunction with collector electrode in modes such as welding or weldings.Therefore, with tradition relatively under, present embodiment can be saved the procedure of welding or welding and the equipment of institute's palpus thereof.
In addition, because the shape of some collector electrode is to utilize above-mentioned utmost point volume clamping part 231c shown in Fig. 5 b to come clamping.Therefore, under this situation, in one embodiment of the invention, also can utilize the mode of welding, directly collector electrode is welded in the base plate 231a of the conducting terminal 231 shown in Fig. 5 a, and this base plate 231a must be bent to the U-shaped base plate.
In Fig. 4 and Fig. 6 a-Fig. 6 b, holding piece 235 has one first clamping part 235a, one second clamping part 235b and a turning point 235c, and turning point 235c connects the first clamping part 235a and the second clamping part 235b.After turning point 235c turnover (seeing Fig. 6 b), holding piece 235 is to be U-shaped holding piece 235, it can make the first clamping part 235a be socketed on projection 231b and smooth in the upper surface 220a of soft external packing 220, and makes the second clamping part 235b smooth in the lower surface 220b of soft external packing 220.In present embodiment, preferable and non-exclusively, holding piece 235 is aluminium material or stainless steel.
In Fig. 4 and Fig. 7 a-Fig. 7 c, interior airtight pad 232 is to be installed within the soft external packing 220, and between soft external packing 220 and conducting terminal 231.Outer airtight pad 233 is the upper surface 220a that are installed in soft external packing 220, and between soft external packing 220 and holding piece 235.Engage between the upper surface 220a that insulation spacer 234 is arranged on soft external packing 220 and the outer airtight pad 233 and with outer airtight pad 233.In present embodiment, preferable and non-exclusively, interior airtight pad 232 is flexible materials of selecting high molecular class for use, outer airtight pad 233 is rigid materials such as aluminium material or copper material, and insulation spacer 234 is the materials that are electrically insulated of selecting high molecular class for use.
And, soft external packing 220 has a through hole 220h in corresponding anode collector 211 places, the first clamping part 235a has one first opening 235h, interior airtight pad 232 has one second opening 232h, outer airtight pad 233 has one the 3rd opening 233h, insulation spacer 234 has one the 4th opening 234h, and the projection 231b of conducting terminal 231 penetrates the second opening 232h, through hole 220h, the 4th opening 234h, the 3rd opening 233h and the first opening 235h respectively in regular turn.
In addition, in Fig. 7 c, insulation spacer 234 has a flange walls 234pw, and flange walls 234pw is in order within the through hole 220h that embeds soft external packing 220, so that the metal level of soft external packing 220 (for example being aluminium foil) electrically isolates from the projection 231b of conducting terminal 231.
So, after above-mentioned each parts such as Fig. 4 assembling, press with this bolt element 236a and 236b and to fix the first clamping part 235a and the second clamping part 235b, bestow pressure thus in the first clamping part 235a, outer airtight pad 233, insulation spacer 234, soft external packing 220, interior airtight pad 232, base plate 231b and the second clamping part 235b, so that through hole 220h place forms airtight construction.Simultaneously, the electric current of anode collector 211 can conduct to projection 231a via base plate 231b and give external circuit, makes conducting terminal 231 give external circuit in order to the electric current of conductive anode collector electrode 211.
In addition, the pressing and fixing part is in order to soft external packing 220 of pressing and fixing and conducting terminal 231, and wherein bolt element 236a and 236b are a kind of securing member, give holding piece 235 and press the function of fixing the first clamping part 235a and the second clamping part 235b.In an embodiment of the present invention, securing member does not limit and will use this bolt element 236a and 236b, and it also can use to press as elements such as rivet, blind rivet, latch or folder springs fixes the first clamping part 235a and the second clamping part 235b.In addition, in one embodiment of this invention, be turning point 235c excision with the holding piece 235 of earlier figures 6a, the only remaining first clamping part 235a and the second clamping part 235b.And, be installed in the two side ends place with at least two group securing members respectively, so that the first clamping part 235a is anchored on the second clamping part 235b.Thus, bestow pressure, so that through hole 220h place forms airtight construction in the first clamping part 235a, outer airtight pad 233, insulation spacer 234, soft external packing 220, interior airtight pad 232, base plate 231b and the second clamping part 235b.
Below also the arrange in pairs or groups assemble method of the above-mentioned flexible-packed battery of a flowchart text.Please refer to Fig. 8, it illustrates the flow chart of assemble method of the flexible-packed battery of Fig. 3, and this assemble method comprises the following steps.
At first, shown in step S81, with the base plate 231a of conducting terminal 231 in conjunction with battery pole coil 210.Wherein, as described above as, this base plate 231a is U-shaped base plate 231a, it has utmost point volume clamping part 231c.Therefore, in step S81, be that battery pole coil is held in the utmost point volume clamping part, with in conjunction with battery pole coil.
Then, shown in step S82, be provided with on the base plate 231a of interior airtight pad 232 conducting terminals, and be inserted in projection 231b with the second opening 232h.
Then, shown in step S83, the soft external packing 220 of packaging by hot pressing, the soft external packing 220 that has a reservation breach with formation, wherein soft external packing 220 is formed through hot pressing by flexible packaging sheet on one and flexible packaging sheet once, and the through hole 220h of soft external packing 220 is located at the flexible packaging sheet.Therefore, in step S83, be that flexible packaging sheet and following flexible packaging sheet are set earlier, and the through hole 220h of above flexible packaging sheet is inserted in projection 231b, carry out packaging by hot pressing again and form soft external packing 220 with a reservation breach.
Afterwards, shown in step S84, earlier insulation spacer 234 is sticked in outer airtight pad 233, the outer airtight pad 233 that engages with insulation spacer 234 is set again in the upper surface 220a of soft external packing 220.And be inserted in projection 231b with the 3rd opening 233h of the 4th opening 234h of insulation spacer 234 and outer airtight pad 233.
Then, shown in step S85, with soft external packing 220 of holding piece 235 pressing and fixing and conducting terminal 231, make the first opening 235h of the first clamping part 235a of holding piece 235 be inserted in and be connected to projection 231b and smooth, and make the second clamping part 235b of holding piece 235 smooth in the lower surface 220b of soft external packing 220 in the upper surface 220a of soft external packing 220.Wherein, the outer airtight pad 233 that engages with insulation spacer 234 is between the first clamping part 235a of soft external packing 220 and holding piece 235.
Then, shown in step S86, inject electrolyte in soft external packing 220 from reserving breach.
Then, shown in step S87, will vacuumize in the soft external packing 220 from reserving breach.
Moreover shown in step S88, breach is reserved in hot sealing, to finish the assembling of flexible-packed battery 200.
The disclosed flexible-packed battery of the above embodiment of the present invention and air tight type conductive connection structure and assemble method.By proposing a kind of new conductive connection structure, the electric current that conducts in the battery gives external circuit, and this new conductive connection structure adopts the airtight construction of no screw, no rivet, effectively reduces procedure and production equipment.And this new conductive connection structure is directly to contact battery pole coil to carry out conduction of current, and bigger electronics circulation area can be provided, and effectively reduces the influence of conduction resistance and conduction interfaces.In addition, more can remove the thin factor that may cause leakage that waits of stress corrosion and joint close, with the lifting product yield and the market competitiveness.
In sum, though the present invention discloses as above with a preferred embodiment, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when looking being as the criterion that claim scope of the present invention defined.
Claims (28)
1. the air tight type conductive connection structure of a flexible-packed battery, the soft external packing that this flexible-packed battery comprises a battery pole coil and coats this battery pole coil is characterized in that this air tight type conductive connection structure comprises:
One conducting terminal comprises:
One base plate, the position is within soft external packing, in order in conjunction with this battery pole coil; And
One projection is arranged on this base plate, in order to penetrate the upper surface that protrudes this soft external packing; And
One pressing and fixing part, in order to this soft external packing of pressing and fixing and this conducting terminal, this pressing and fixing part comprises:
One holding piece, have one first clamping part, one second clamping part and a turning point, this turning point connects this first clamping part and this second clamping part, so that this first clamping part is socketed on this projection and smooth in the upper surface of this soft external packing, and make this second clamping part smooth in the lower surface of this soft external packing;
Wherein this air tight type conductive connection structure also comprises:
Airtight pad in one is installed within this soft external packing, and between this soft external packing and this conducting terminal; And
One outer airtight pad is installed in the upper surface of this soft external packing, and between this soft external packing and this holding piece.
2. air tight type conductive connection structure as claimed in claim 1 is characterized in that, wherein this air tight type conductive connection structure also comprises:
One insulation spacer, the upper surface that is arranged on this soft external packing engages between airtight pad and with this outer airtight pad outward with this.
3. air tight type conductive connection structure as claimed in claim 2, it is characterized in that, wherein this soft external packing has a through hole, this first clamping part has one first opening, should have one second opening by interior airtight pad, should have one the 3rd opening by outer airtight pad, and this insulation spacer has one the 4th opening, this projection is to penetrate this second opening, this through hole, the 4th opening, the 3rd opening and this first opening in regular turn.
4. air tight type conductive connection structure as claimed in claim 3, it is characterized in that, wherein this soft external packing has a metal level, this insulation spacer has a flange walls, this flange walls is to embed within this through hole of this soft external packing, uses so that this metal level of this soft external packing electrically isolates from this projection.
5. air tight type conductive connection structure as claimed in claim 3, it is characterized in that, wherein this battery pole coil has an anode collector, and this through hole is to should the anode collector setting, so that this air tight type conductive connection structure is as the anode conducting handle of this flexible-packed battery.
6. air tight type conductive connection structure as claimed in claim 3, it is characterized in that, wherein this battery pole coil has a cathode current collector, and this through hole is to should the cathode current collector setting, so that this air tight type conductive connection structure is as the negative electrode conduction handle of this flexible-packed battery.
7. air tight type conductive connection structure as claimed in claim 1 is characterized in that, wherein this base plate is a U-shaped base plate, and this U-shaped base plate has utmost point volume clamping part, in order to this battery pole coil of clamping.
8. air tight type conductive connection structure as claimed in claim 1 is characterized in that, wherein this battery pole coil is to be welded in this base plate.
9. air tight type conductive connection structure as claimed in claim 1 is characterized in that, wherein this pressing and fixing part also comprises:
One securing member is fixed this first clamping part and this second clamping part in order to press.
10. air tight type conductive connection structure as claimed in claim 9 is characterized in that, wherein this securing member is a rivet, a blind rivet, a bolt, a latch or a folder spring.
11. air tight type conductive connection structure as claimed in claim 1 is characterized in that, wherein this holding piece is a U-shaped holding piece.
12. a flexible-packed battery is characterized in that, comprising:
One battery pole coil has an anode collector and a cathode current collector;
One soft external packing is in order to coat this battery pole coil; And
A pair of air tight type conductive connection structure, as the anode conducting handle and the negative electrode conduction handle of this flexible-packed battery, respectively this air tight type conductive connection structure comprises respectively;
One conducting terminal gives external circuit in order to the electric current that conducts this anode collector or this cathode current collector, and this conducting terminal comprises;
One base plate, the position is within soft external packing, in order in conjunction with this anode collector or this cathode current collector; And
One projection is arranged on this base plate, and in order to penetrate the upper surface that protrudes this soft external packing, the electric current that makes this anode collector or this cathode current collector conducts to this projection via this base plate of this conducting terminal and gives external circuit; And
One pressing and fixing part, in order to this soft external packing of pressing and fixing and this conducting terminal, this pressing and fixing part comprises;
One holding piece, have one first clamping part, one second clamping part and a turning point, this turning point connects this first clamping part and this second clamping part, so that this first clamping part is socketed on this projection and smooth in the upper surface of this soft external packing, and make this second clamping part smooth in the lower surface of this soft external packing;
Wherein respectively this air tight type conductive connection structure also comprises:
Airtight pad in one is installed within this soft external packing, and between this soft external packing and this conducting terminal; And
One outer airtight pad is installed in the upper surface of this soft external packing, and between this soft external packing and this holding piece.
13. flexible-packed battery as claimed in claim 12 is characterized in that, wherein respectively this air tight type conductive connection structure also comprises:
One insulation spacer, the upper surface that is arranged on this soft external packing engages between airtight pad and with this outer airtight pad outward with this.
14. flexible-packed battery as claimed in claim 13, it is characterized in that, wherein this soft external packing has a pair of through hole, respectively this first clamping part has one first opening, respectively should have one second opening by interior airtight pad, respectively should have one the 3rd opening by outer airtight pad, and respectively this insulation spacer has one the 4th opening, this each projection be penetrate in regular turn respectively those second openings, this to through hole, should each the 4th opening, should each the 3rd opening and should each first opening.
15. flexible-packed battery as claimed in claim 14, it is characterized in that, wherein this soft external packing has a metal level, respectively this insulation spacer has a flange walls, this flange walls is to embed within this through hole of this soft external packing, uses so that this metal level of this soft external packing electrically isolates from this projection.
16. flexible-packed battery as claimed in claim 14, it is characterized in that, wherein this is respectively to should anode collector and this cathode current collector setting to through hole so that this to air tight type conductive connection structure respectively as the anode conducting handle and the negative electrode conduction handle of this flexible-packed battery.
17. flexible-packed battery as claimed in claim 12 is characterized in that, wherein respectively this base plate is a U-shaped base plate, and this U-shaped base plate has utmost point volume clamping part, in order to this anode collector or this cathode current collector of this battery pole coil of clamping.
18. flexible-packed battery as claimed in claim 12 is characterized in that, wherein this battery pole coil is to be welded in this base plate.
19. flexible-packed battery as claimed in claim 12 is characterized in that, wherein respectively this pressing and fixing part also comprises:
One securing member is fixed this first clamping part and this second clamping part in order to press.
20. flexible-packed battery as claimed in claim 19 is characterized in that, wherein this securing member is a rivet, a blind rivet, a bolt, a latch or a folder spring.
21. flexible-packed battery as claimed in claim 12 is characterized in that, wherein this holding piece is a U-shaped holding piece.
22. the assemble method of a flexible-packed battery, wherein this flexible-packed battery comprises a battery pole coil and a soft external packing, it is characterized in that this assemble method comprises:
(a) with a base plate of a conducting terminal in conjunction with this battery pole coil;
(b) this soft external packing of packaging by hot pressing has a soft external packing of reserving breach to form one;
(c) this battery pole coil that will be incorporated into this conducting terminal is inserted this soft external packing, makes a projection of this conducting terminal penetrate the upper surface that protrudes this soft external packing;
Wherein this step (c) also comprises:
(c1) insert an interior airtight pad within this soft external packing, make this interior airtight pad between this soft external packing and this conducting terminal; And
(c2) insert an outer airtight pad in the upper surface of this soft external packing, make this outer airtight pad between this first clamping part of this soft external packing and this holding piece;
(d) with this soft external packing of a holding piece pressing and fixing and this conducting terminal, make one first clamping part of this holding piece be socketed on this projection and smooth, and make one second clamping part of this holding piece smooth in the lower surface of this soft external packing in the upper surface of this soft external packing;
(e) reserve breach from this and inject electrolyte in this soft external packing;
(f) should vacuumize in the soft external packing from this reservation breach; And
(g) hot sealing should be reserved breach.
23. the assemble method of flexible-packed battery as claimed in claim 22 is characterized in that, wherein this step (c2) also comprises:
One insulation spacer is sticked in this outer airtight pad; And
Insert engage with this insulation spacer should outer airtight pad in the upper surface of this soft external packing.
24. the assemble method of flexible-packed battery as claimed in claim 23, it is characterized in that, wherein this soft external packing has a through hole, this first clamping part has one first opening, should have one second opening by interior airtight pad, this outer airtight pad has one the 3rd opening, and this insulation spacer has one the 4th opening, in this step (c), this projection is to penetrate this second opening, this through hole, the 4th opening, the 3rd opening and this first opening in regular turn.
25. the assemble method of flexible-packed battery as claimed in claim 24 is characterized in that, wherein this soft external packing has a metal level, and this insulation spacer has a flange walls, and this step (c2) also comprises:
Embed this flange walls within this through hole of this soft external packing, so that this metal level of this soft external packing electrically isolates from this projection.
26. the assemble method of flexible-packed battery as claimed in claim 22 is characterized in that, wherein this base plate is a U-shaped base plate, and this U-shaped base plate has utmost point volume clamping part, and this step (a) comprising:
This battery pole coil of clamping is in this utmost point volume clamping part, with in conjunction with this battery pole coil.
27. the assemble method of flexible-packed battery as claimed in claim 22 is characterized in that, wherein this step (a) comprising:
Weld this battery pole coil in this base plate.
28. the assemble method of flexible-packed battery as claimed in claim 22 is characterized in that, wherein this step (d) also comprises:
Press with a securing member and to fix this first clamping part and this second clamping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100031733A CN101488566B (en) | 2008-01-15 | 2008-01-15 | Soft packing cell and air tight type conductive connection structure and assembling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100031733A CN101488566B (en) | 2008-01-15 | 2008-01-15 | Soft packing cell and air tight type conductive connection structure and assembling process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101488566A CN101488566A (en) | 2009-07-22 |
| CN101488566B true CN101488566B (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100031733A Active CN101488566B (en) | 2008-01-15 | 2008-01-15 | Soft packing cell and air tight type conductive connection structure and assembling process |
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| CN109713207A (en) * | 2019-01-31 | 2019-05-03 | 柔电（武汉）科技有限公司 | A kind of flexible battery and tab optimization technique of tab optimization |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128084A (en) * | 1993-07-29 | 1996-07-31 | 克利斯道夫·埃莫利希有限公司和两合公司 | Gas-tight alkaline accumulator with a valve assembly |
| CN1697241A (en) * | 2005-05-16 | 2005-11-16 | 钟馨稼 | Large capacity lithium ion battery with soft shell made from aluminum-plastic |
| JP2007184267A (en) * | 2005-12-29 | 2007-07-19 | Samsung Sdi Co Ltd | Pouch type battery and its manufacturing method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128084A (en) * | 1993-07-29 | 1996-07-31 | 克利斯道夫·埃莫利希有限公司和两合公司 | Gas-tight alkaline accumulator with a valve assembly |
| CN1697241A (en) * | 2005-05-16 | 2005-11-16 | 钟馨稼 | Large capacity lithium ion battery with soft shell made from aluminum-plastic |
| JP2007184267A (en) * | 2005-12-29 | 2007-07-19 | Samsung Sdi Co Ltd | Pouch type battery and its manufacturing method |
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| CN101488566A (en) | 2009-07-22 |
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