CN104600370B - Group assembling method for lithium-ion drive batteries, and lithium-ion drive battery pack - Google Patents

Group assembling method for lithium-ion drive batteries, and lithium-ion drive battery pack Download PDF

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Publication number
CN104600370B
CN104600370B CN201510038559.8A CN201510038559A CN104600370B CN 104600370 B CN104600370 B CN 104600370B CN 201510038559 A CN201510038559 A CN 201510038559A CN 104600370 B CN104600370 B CN 104600370B
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metallic plate
cell
lithium
plate
wire netting
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CN104600370A (en
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潘珊
张金愉
黄新华
余克清
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潘珊
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    • H—ELECTRICITY
    • H01—BASIC 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
    • H01M10/058—Construction or manufacture
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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

Abstract

The invention relates to a group assembling method for lithium-ion drive batteries, and a lithium-ion drive battery pack. An epoxy copperplate, a bus metal strip, a metal plate with two rows of holes, a cuboid metal mesh winding body, an S-shaped nickel plating connecting strap and a plurality of single polymer batteries are assembled into a group, wherein the epoxy copperplate is locally tinned and comprises a plurality of holes; the cuboid metal mesh winding body is formed by winding on silica gel strips; positive tabs and negative tabs of the plurality of single batteries are located on the same side of the formed group; the plurality of positive tabs penetrate through the epoxy copperplate with the holes to be arranged in a same column; the plurality of negative tabs penetrate through the epoxy copperplate with the holes to be arranged in another same column; the tabs are bent into 90 degrees and then are pressed on a tinning zone of the epoxy copperplate; an electric conductor of the metal wire winding body is additionally arranged above the tabs; the electric conductor of the metal mesh winding body is pressed by a heavy-current bus metal plate to ensure the effective current conduction of the batteries in the use procedure, so that the single batteries can be conveniently and rapidly unloaded or exchanged; and the safety of the battery pack is improved.

Description

A kind of lithium-ion-power cell assemble method and lithium-ion-power cell bag in groups
Technical field
The present invention relates to lithium-ion-power cell field, specifically a kind of lithium-ion-power cell in groups assemble method and Lithium-ion-power cell bag.
Background technology
Lithium-ion-power cell has a wide range of applications in new energy field, such as in electric automobile field, and The energy storage such as solar energy, wind energy or the energy-accumulating power station that draws water field.Existing lithium-ion-power cell, lug connected mode during connection in series-parallel For welding manners such as soldering or ultrasonic bonding.The high-temperature technology of soldering exists certain to the sealing at polymer cell polar ear Damage risk, simultaneously because the ratio of stannum is great and cause the weight of set of cells to increase；Using welding GT, then it is unfavorable for more Change cell.The different grouping method of lithium-ion-power cell and technology influence whether energy density and the safety of set of cells Property etc..
Content of the invention
The technical problem to be solved is to provide a kind of convenient handling or change cell, and improves set of cells The lithium-ion-power cell of safety assemble method and lithium-ion-power cell bag in groups.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：
A kind of lithium-ion-power cell assemble method in groups, comprises the following steps：
Step 1, will be in a row for multiple cell proper alignment, battery be provided with lug side arrange a connecting plate, The face local tin plating that connecting plate deviates from lug forms the first conductive region and the second conductive region, the first conductive region and second Conductive region is mutually not turned on, and the first conductive region corresponds to anode ear side, and the second conductive region corresponds to negative electrode lug side, the In one conductive region, the anode ear position corresponding to each cell opens up the first bar hole respectively, right in the second conductive region The second bar hole should be opened up in the negative electrode lug position of each cell respectively, the anode ear of cell passes through the first bar hole 90 ° of bendings are pressed on connecting plate afterwards, and 90 ° of bendings after the negative electrode lug of cell passes through the second bar hole are pressed on connecting plate On；
Step 2, in the first conductive region be located at the first bar hole both sides be respectively welded one first bonding jumper, second The both sides being located at the second bar hole in conductive region are respectively welded one second bonding jumper；
Step 3, place the first wire netting coiling body of a rectangular shape between two the first bonding jumpers, at two The second wire netting coiling body of a rectangular shape, described first wire netting coiling body and the second metal is placed between two bonding jumpers Net coiling body is formed by wire netting is rear on silica gel strip respectively；
Step 4, above the first wire netting coiling body arrange one first metallic plate, upper in the second wire netting coiling body Side's setting one second metallic plate, the both sides of the first metallic plate are respectively with two the first bonding jumper releasable connections and by the first wire netting Coiling body is pressed on connecting plate, and the both sides of the second metallic plate are respectively with two the second bonding jumper releasable connections and by the second metal Net coiling body is pressed on connecting plate, obtains cell group；
Step 5, outside described cell group, load onto shell, fill added with gold in the gap with shell for the cell Belong to the low-viscosity (mobile) liquid glue of powder, fire retardant and firming agent, have resilient colloid by being formed after low-viscosity (mobile) liquid adhesive curing；
Step 6, the multiple cell groups obtaining step 5 are sequentially connected composition lithium ion by S-shaped metal connecting sheet Electrokinetic cell bag, is provided with battery control circuit plate, described battery control circuit plate and first between two neighboring cell group Metallic plate or the second metallic plate releasable connection, its in one end of described S-shaped metal connecting sheet and two neighboring cell group In a cell group the first metallic plate releasable connection, the other end of described S-shaped metal connecting sheet and two neighboring monomer Second metallic plate releasable connection of another cell group in set of cells.
The beneficial effects of the present invention is：Solve the not easily changeable problem of cell after in groups, improve set of cells Safety.As long as unloading metallic plate and wire netting coiling body during battery replacing cell, lug is straightend just can be fast Speed takes off the cell needing to change, it is to avoid conventional traditional lug is soldered the defect being connected on existing for tin plating area, electricity The weight in pond is also lighter, it also avoid the damage wind to sealing at polymer battery core lug in the past traditional soldering tin technique high temperature Danger and the hidden danger of failure welding rosin joint, improve packaging efficiency.Low viscosity is filled up in gap between cell and shell Liquid glue is simultaneously solidified into the resilient colloid of tool, this colloidal medium have fire-retardant, lead thermal property, be conducive to cell Between temperature consistent, there is isolation cell and air contact simultaneously, prevent the generation of thermal runaway, improve the peace of set of cells Quan Xing.
Brief description
Fig. 1 show the connecting plate of embodiment of the present invention and the connection diagram of bonding jumper.
Fig. 2 show the connecting plate of embodiment of the present invention and the connection diagram of bonding jumper.
Fig. 3 show the connection diagram of the connecting plate, bonding jumper and wire netting coiling body of embodiment of the present invention.
Fig. 4 show the cell of embodiment of the present invention and the schematic diagram in groups of connecting plate and bonding jumper.
Fig. 5 show the cell of embodiment of the present invention lug pass through connecting plate on bar hole after be bent into 90 ° of angles, are close to the schematic diagram in tin plating region.
Fig. 6 show the cell of embodiment of the present invention lug pass through connecting plate on bar hole after be bent into 90 ° of angles, add the schematic diagram of a wire netting coiling body above after being close to tin plating region.
Fig. 7 show the structural representation of the cell group of embodiment of the present invention.
Fig. 8 show the schematic diagram that the cell group of embodiment of the present invention is attached by S-shaped metal connecting sheet.
Fig. 9 show the cell group of embodiment of the present invention and the connection diagram of battery control circuit plate.
Label declaration：
10- anode ear；11- negative electrode lug；2- connecting plate；20- first conductive region；21- second conductive region；200- first Bar hole；210- second bar hole；3- first bonding jumper；4- second bonding jumper；5- the first wire netting coiling body；6- second metal Net coiling body；7- first metallic plate；8- second metallic plate；9-S shape metal connecting sheet；90- battery control circuit plate.
Specific embodiment
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached Figure is explained.
The design of most critical of the present invention is：Using releasable connection mode, cell is assembled in groups, adopt big simultaneously The electrically conducting manner of area ensure that battery being effectively conducted of electric current in use, thus solving after in groups cell not Easily changeable problem, improves the safety of set of cells.
Refer to shown in Fig. 1 to Fig. 9, the lithium-ion-power cell assemble method in groups that the present invention provides, walk including following Suddenly：
Step 1, will be in a row for multiple cell proper alignment, battery be provided with lug side arrange a connecting plate 2, The face local tin plating that connecting plate 2 deviates from lug forms the first conductive region 20 and the second conductive region 21, the first conductive region 20 and second conductive region 21 be mutually not turned on, the first conductive region 20 corresponds to anode ear 10 side, and the second conductive region 21 is right Should be in negative electrode lug 11 side, in the first conductive region 20, anode ear 10 position corresponding to each cell opens up first respectively Bar hole 200, in the second conductive region 21, negative electrode lug 11 position corresponding to each cell opens up the second bar hole respectively 210, the anode ear 10 of cell is pressed on connecting plate 2 through the rear 90 ° of bendings of the first bar hole 200, cell negative Lug 11 is pressed on connecting plate 2 through the rear 90 ° of bendings of the second bar hole 210；
Step 2, in the first conductive region 20 be located at the first bar hole 200 both sides be respectively welded one first bonding jumper 3, The both sides being located at the second bar hole 210 in the second conductive region 21 are respectively welded one second bonding jumper 4；
Step 3, place the first wire netting coiling body 5 of a rectangular shape between two the first bonding jumpers 3, at two The second wire netting coiling body 6 of a rectangular shape, described first wire netting coiling body 5 and is placed between second bonding jumper 4 Two wire netting coiling bodies 6 are formed by wire netting is rear on silica gel strip respectively；
Step 4, above the first wire netting coiling body 5 arrange one first metallic plate 7, in the second wire netting coiling body 6 Top one second metallic plate 8 is set, the both sides of the first metallic plate 7 are respectively with the releasable connection of two the first bonding jumpers 3 and by the One wire netting coiling body 5 is pressed on connecting plate 2, the both sides of the second metallic plate 8 respectively with the releasable connection of two the second bonding jumpers 4 And the second wire netting coiling body 6 is pressed on connecting plate 2, obtain cell group；
Step 5, outside described cell group, load onto shell, fill added with gold in the gap with shell for the cell Belong to the low-viscosity (mobile) liquid glue of powder, fire retardant and firming agent, have resilient colloid by being formed after low-viscosity (mobile) liquid adhesive curing；
Step 6, the multiple cell groups obtaining step 5 are sequentially connected composition lithium ion by S-shaped metal connecting sheet 9 Electrokinetic cell bag, is provided with battery control circuit plate 90 between two neighboring cell group, described battery control circuit plate 90 with First metallic plate 7 or the second metallic plate 8 releasable connection, one end of described S-shaped metal connecting sheet 9 and two neighboring cell group In one of cell group the first metallic plate 7 releasable connection, the other end of described S-shaped metal connecting sheet 9 with adjacent Second metallic plate 8 releasable connection of another cell group in two cell groups.
In the above-described embodiment, multiple cell anode ears 10 are respectively positioned on the same side with negative electrode lug 11, multiple positive poles Ear 10 lines up same row after passing through the first bar hole 200, and multiple negative electrode lugs 11 line up another row after passing through the second bar hole 210, 90 degree of these lug bendings, lean against tin plating region (i.e. the first conductive region 20 and second conductive region of connecting plate 2 after pressing 21) assemble wire netting coiling body (i.e. the first wire netting coiling body 5 and the second wire netting coiling body 6), more above it, then by big Electric current conflux metallic plate (i.e. the first metallic plate 7 and the second metallic plate 8) tightly push down compression wire netting coiling body it is ensured that battery exists During use, from lug to wire netting coiling body being effectively conducted to the bonding jumper that confluxes again, this technical scheme changes monomer to electric current As long as unloading metallic plate and wire netting coiling body during battery, lug being straightend and just can quickly take off the monomer electricity needing to change Pond, it is to avoid conventional traditional lug is soldered the defect existing in tin plating area, the weight of battery also lighter (because decreasing The consumption of heavy stannum), it also avoid in the past traditional soldering tin technique high temperature and the sealing at polymer battery core lug is damaged Bad risk.It is further proposed that for the safety improving set of cells, the gap with shell for the cell being filled up liquid and is situated between Matter (low-viscosity (mobile) liquid glue) is simultaneously solidified into the resilient colloid of tool, this colloidal medium have fire-retardant, lead thermal property, favorably Temperature between cell is consistent, has isolation cell and air contact simultaneously, prevents the generation of thermal runaway, improves The safety of set of cells.This colloidal medium plays fixation to cell simultaneously, prevents from vibrating the impact to battery.
Knowable to foregoing description, the beneficial effects of the present invention is：Solve after in groups that cell is not easily changeable asks Topic, improves the safety of set of cells.As long as unloading metallic plate and wire netting coiling body during battery replacing cell, by pole Ear straightens and just can quickly take off the cell needing to change, it is to avoid conventional traditional lug is soldered and is connected on institute of tin plating area The defect existing, the weight of battery is also lighter, it also avoid in the past traditional soldering tin technique high temperature to polymer battery core lug The damage risk of place's sealing.Fill up low-viscosity (mobile) liquid glue being solidified in gap between cell and shell to have The colloid of elasticity, this colloidal medium have fire-retardant, lead thermal property, be conducive to temperature between cell consistent, have simultaneously There are isolation cell and air contact, prevent the generation of thermal runaway, improve the safety of set of cells.
Further, described connecting plate 2 is epoxy copperplate.
Further, described first bonding jumper 3, the material of the second bonding jumper 4, the first metallic plate 7 and the second metallic plate 8 are Copper nickel-plated sheet.
Further, described wire netting is antioxidation copper mesh.
Further, the height of described first wire netting coiling body 5 is more than the height 1～2mm of the first bonding jumper 3, described The height of the second wire netting coiling body 6 is more than the height 1～2mm of the second bonding jumper 4.
Further, described first bonding jumper 3 and the first metallic plate 7 are correspondingly arranged on the first screwed hole, described first The both sides of metallic plate 7 are locked on the first bonding jumper 3 by bolt, nut and spring shim respectively；Described second bonding jumper 4 With the second screwed hole is correspondingly arranged on the second metallic plate 8, the both sides of described second metallic plate 8 pass through respectively bolt, nut with And spring shim is locked on the second bonding jumper 4.
Seen from the above description, the beneficial effects of the present invention is：Using thread connecting mode, it is easy to dismount and changes.
Further, described metal powder is aluminium powder, and described low-viscosity (mobile) liquid glue is silica gel or ethylene-propylene diene copolymer.
Further, right respectively on the two ends of described S-shaped metal connecting sheet 9 and the first metallic plate 7 and the second metallic plate 8 Screwed hole should be provided with, the two ends of described S-shaped metal connecting sheet 9 pass through bolt, nut and spring shim and the first gold medal respectively Belong to plate 7 and the second metallic plate 8 releasable connection.
Seen from the above description, the beneficial effects of the present invention is：Using thread connecting mode, it is easy to dismount and changes.
Further, described battery control circuit plate 90 is vertically arranged between two neighboring cell group, described electricity It is correspondingly arranged on screwed hole, described battery control circuit plate in pond control board 90 and the first metallic plate 7 or the second metallic plate 8 90 pass through bolt, nut and spring shim and the first metallic plate 7 or the second metallic plate 8 releasable connection.
Seen from the above description, the beneficial effects of the present invention is：Using thread connecting mode, it is easy to dismount and changes.
Refer to shown in Fig. 1 to Fig. 9, embodiments of the invention one are：
The present embodiment completes the lithium-ion-power cell assemble method in groups of 2 tons of logistic cars, this assembled battery total voltage 336V, Total capacity 166.7Ah, first completes the batteries in parallel connection group (capacity 166.7Ah) of 24 cells (capacity 7Ah) in groups, including Following steps：
(1) make one side selectivity to be coated with stannum (tin plating formation the first conductive region 20 and the second conductive region 21) and carry The ring of multiple elongate holes (the first bar hole 200 and the second bar hole 210, the effect in this hole is passing through for battery pole ear) Oxygen copper-clad plate connecting plate 2, connecting plate 2 also carries 4 bonding jumper (the first bonding jumper 3 and the second bonding jumpers carrying screwed hole 4, bonding jumper material is copper nickel plating, as follows), wherein 2 (the first bonding jumpers 3) are applied to confluxing of positive pole, another 2 (second Bonding jumper 4) it is applied to confluxing of negative pole, the first bonding jumper 3 is weldingly fixed on the both sides of the first bar hole 200 on connecting plate 2, Second bonding jumper 4 is weldingly fixed on the both sides of the second bar hole 210 on connecting plate 2, and bonding jumper carries multiple screwed holes.Separately Prepare 2 pieces of the metallic plate (the first metallic plate 7 and the second metallic plate 8) with two rounds, be respectively used to compress the first metal net volume Around body 5 and the second wire netting coiling body 6.
(2) antioxidation copper mesh is wound (with silica gel strip as axle) on silica gel strip and is fabricated to rectangular shape First wire netting coiling body 5 and the second wire netting coiling body 6.
(3) anode ear 10 of multiple cells and negative electrode lug 11 are inserted corresponding positive pole pole on connecting plate 2 respectively After earhole (the first bar hole 200) and negative lug hole (the second bar hole 210), with the object of strip by all for entire row monomers After 90 degree of the lug bending of battery, lug is driven plain tin plating region (the first conductive region 20 and the second conduction on connecting plate 2 Region 21) surface.
(4) wire netting coiling body is placed on above the lug being bent and flattening, the height of wire netting coiling body will height In its both sides bonding jumper 1 to 2mm.
(5) metallic plate with two rounds is pressed in above wire netting coiling body, will with bolt nut and spring shim The metallic plate of two rounds is locked on bonding jumper, and then wire netting coiling body and monocell lug and bonding jumper have larger connecing Touch and good conductive effect.
The hole on metallic plate in (6) (5th) steps and the screwed hole on corresponding bonding jumper some be used for self-contained battery control Circuit board 90 (the equalizing circuit plate in battery management circuit (abbreviation BMS)) processed, the hole at two ends and screwed hole be used for series connection or simultaneously Combination.
(7) load onto shell outside cell group, and fill up in the gap of cell and shell added with aluminium powder, The low-viscosity (mobile) liquid silica gel of fire retardant and firming agent, it is voluntarily solidified into the resilient colloid of tool, this colloid after the addition for 4 hours Medium have fire-retardant, lead thermal property, be conducive to the temperature one between cell to make peace and transfer out the heat of battery, have simultaneously The isolation contact with air for the cell, prevents the generation of battery thermal runaway, improves the safety of set of cells.This elastic gel is situated between Matter plays fixation to cell simultaneously, prevents from vibrating the impact to battery, micro- when circulating battery will not be used simultaneously Little expansion and contraction impact.
(8) after the parallel connection in groups of above cell, then with S-shaped metal connecting sheet 9, it is connected.With S-shaped gold Belong to while connection sheet 9 is connected and carry out corresponding connection with battery control circuit plate 90.
In sum, the lithium-ion-power cell assemble method in groups that the present invention provides, solves cell after in groups Not easily changeable problem, improves the safety of set of cells.As long as unloading metallic plate and metal during battery replacing cell Net coiling body, lug is straightend and just can quickly take off the cell needing to change, it is to avoid conventional traditional lug is by stannum It is welded on the defect existing for tin plating area, the weight of battery is also lighter, it also avoid in the past traditional soldering tin technique high temperature to poly- The damage risk of sealing at compound cell core lug.Low-viscosity (mobile) liquid glue is filled up simultaneously in gap between cell and shell Be solidified into tool resilient colloid, this colloidal medium have fire-retardant, lead thermal property, be conducive to the temperature between cell Degree is consistent, has isolation cell and air contact simultaneously, prevents the generation of thermal runaway, improves the safety of set of cells.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in the technical field of correlation, all include in the same manner In the scope of patent protection of the present invention.

Claims (7)

1. a kind of lithium-ion-power cell in groups assemble method it is characterised in that comprising the following steps：
Step 1, will be in a row for multiple cell proper alignment, battery be provided with lug side arrange a connecting plate, connect Backboard forms the first conductive region and the second conductive region, the first conductive region and the second conduction from a face local tin plating of lug Region is mutually not turned on, and the first conductive region corresponds to anode ear side, and the second conductive region corresponds to negative electrode lug side, and first leads The anode ear position corresponding to each cell in electric region opens up the first bar hole respectively, corresponds in the second conductive region The negative electrode lug position of each cell opens up the second bar hole respectively, after the anode ear of cell passes through the first bar hole 90 ° of bendings are pressed on connecting plate, and 90 ° of bendings after the negative electrode lug of cell passes through the second bar hole are pressed on connecting plate；
Step 2, the both sides being located at the first bar hole in the first conductive region are respectively welded one first bonding jumper, conductive second The both sides being located at the second bar hole in region are respectively welded one second bonding jumper；
Step 3, place the first wire netting coiling body of a rectangular shape between two the first bonding jumpers, in two the second gold medals Belong to the second wire netting coiling body, described first wire netting coiling body and the second metal net volume placing a rectangular shape between bar Formed by wire netting is rear on silica gel strip respectively around body；
Step 4, above the first wire netting coiling body arrange one first metallic plate, set above the second wire netting coiling body Put one second metallic plate, the both sides of the first metallic plate wind with two the first bonding jumper releasable connections and by the first wire netting respectively Body is pressed on connecting plate, and the both sides of the second metallic plate are respectively with two the second bonding jumper releasable connections and by the second metal net volume It is pressed on connecting plate around body, obtain cell group；
Step 5, outside described cell group, load onto shell, fill added with metal in the gap with shell for the cell The low-viscosity (mobile) liquid glue of powder, fire retardant and firming agent, has resilient colloid by being formed after low-viscosity (mobile) liquid adhesive curing；
Step 6, the multiple cell groups obtaining step 5 are sequentially connected composition lithium ion power by S-shaped metal connecting sheet Battery bag, is provided with battery control circuit plate, described battery control circuit plate and the first metal between two neighboring cell group In plate or the second metallic plate releasable connection, one end of described S-shaped metal connecting sheet and two neighboring cell group wherein one First metallic plate releasable connection of individual cell group, the other end of described S-shaped metal connecting sheet and two neighboring cell Second metallic plate releasable connection of another cell group in group；
Described connecting plate is epoxy copperplate, and described wire netting is antioxidation copper mesh, and described metal powder is aluminium powder, described low viscosity Liquid glue is silica gel or ethylene-propylene diene copolymer.
2. lithium-ion-power cell according to claim 1 in groups assemble method it is characterised in that：Described first metal Bar, the material of the second bonding jumper, the first metallic plate and the second metallic plate are copper nickel-plated sheet.
3. lithium-ion-power cell according to claim 1 in groups assemble method it is characterised in that：Described first wire netting The height of coiling body is more than the height 1～2mm of the first bonding jumper, and the height of described second wire netting coiling body is more than the second metal Height 1～the 2mm of bar.
4. lithium-ion-power cell according to claim 1 in groups assemble method it is characterised in that：Described first bonding jumper With the first screwed hole is correspondingly arranged on the first metallic plate, the both sides of described first metallic plate pass through respectively bolt, nut and Spring shim is locked on the first bonding jumper；It is correspondingly arranged on the second screwed hole on described second bonding jumper and the second metallic plate, The both sides of described second metallic plate are locked on the second bonding jumper by bolt, nut and spring shim respectively.
5. lithium-ion-power cell according to claim 1 in groups assemble method it is characterised in that：Described S-shaped metal is even It is correspondingly arranged on screwed hole respectively, described S-shaped metal connecting sheet on the two ends of contact pin and the first metallic plate and the second metallic plate Two ends pass through bolt, nut and spring shim and the first metallic plate and the second metallic plate releasable connection respectively.
6. lithium-ion-power cell according to claim 1 in groups assemble method it is characterised in that：Described battery controls electricity Road plate is vertically arranged between two neighboring cell group, described battery control circuit plate and the first metallic plate or the second metal It is correspondingly arranged on screwed hole, described battery control circuit plate passes through bolt, nut and spring shim and the first metallic plate on plate Or the second metallic plate releasable connection.
7. a kind of lithium that assemble method obtains in groups of the lithium-ion-power cell described in any one according to claim 1 to 6 from Sub- electrokinetic cell bag.
CN201510038559.8A 2015-01-26 2015-01-26 Group assembling method for lithium-ion drive batteries, and lithium-ion drive battery pack Active CN104600370B (en)

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