CN203644879U - Large-capacity Li-FeS2 rigid package square module battery - Google Patents
Large-capacity Li-FeS2 rigid package square module battery Download PDFInfo
- Publication number
- CN203644879U CN203644879U CN201320730262.4U CN201320730262U CN203644879U CN 203644879 U CN203644879 U CN 203644879U CN 201320730262 U CN201320730262 U CN 201320730262U CN 203644879 U CN203644879 U CN 203644879U
- Authority
- CN
- China
- Prior art keywords
- square
- rigid package
- cell
- battery
- capacity
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model relates to a large-capacity Li-FeS2 rigid package square module battery. The large-capacity Li-FeS2 rigid package square module battery comprises a single battery shell and a single battery cover. The large-capacity Li-FeS2 rigid package square module battery is characterized in that the single battery shell is a square metal shell; the single battery shell is internally provided with FeS2 positive pole active material large-power square film coated positive pole plates with guide lugs, and lithium foil square film coated negative pole plates with guide lugs, which are arranged at intervals; the guide lugs on all the positive pole plates are fixedly arranged on a positive pole leading-out sheet; the guide lugs on all the negative pole plates are fixedly arranged on a negative pole leading-out sheet; the single battery cover is provided with a safety exhausting valve. According to the large-capacity Li-FeS2 rigid package square module battery, a square metal material with high mechanical strength and heat radiation capability is used as the large-capacity Li-FeS2 single battery shell; the large-capacity Li-FeS2 square film coated positive pole plates and the square film coated negative pole plates are orderly overlapped in the large-capacity Li-FeS2 single battery shell at intervals so as to effectively prevent potential safety hazards caused by discharging and expanding the battery; the safety performance of the battery is good and the space utilization rate is very high; the volumetric specific energy and the gravimetric specific energy of the single battery are improved by 10%-30%.
Description
Technical field
The utility model belongs to lithium series primary cell technical field, particularly relates to a kind of large capacity Li-FeS
2rigid package square individual battery.
At present, Li-FeS
2(battery of lithium-iron disulphide) is one of best battery of combination property in low voltage lithium primary cell, and tool has the following advantages: (1) discharge voltage is high and more steady; (2) discharge capacity is large, and the average discharge capacity that is discharged to 1.0V take 200mA as AA type battery is as 2900mAh; (3) specific power is high, can heavy-current discharge, as AA type battery maximum can the continuous discharge of 2.0A discharging current; (4) in battery of the same type product, weight is the lightest, as the weight of AA type battery of lithium-iron disulphide is about 14.5g; (5) operating temperature range is wide, can at-40 ℃～60 ℃, work, and wherein cryogenic property is especially outstanding; (6) high-temperature shelf property is good, can at 60 ℃ of temperature, store; (7) there is good preventing liquid leakage performance; (8) storage life is long, can store at normal temperatures 10 years; (9) battery, without mercury, without cadmium, unleaded, meets environmental requirement.But, because lithium is unsuitable for the aqueous solvent electrolysis night that conductivity is high (lithium and water have met and get along well intense reaction), both be the lithium battery of non-aqueous electrolyte for normal temperature type, not only discharge performance is low, normally use below 0.1C, and cell capacity is little, be below 10Ah at present, can not meet as high capacity cell the demand of power type product.
Summary of the invention
The utility model is to solve the technical problem existing in known technology, provide that a kind of space availability ratio is high, volumetric specific energy and gravimetric specific energy high, capacity can reach 1000Ah, and good airproof performance, safe large capacity Li-FeS
2rigid package square individual battery.
Technical solution adopted in the utility model is:
Large capacity Li-FeS
2rigid package square individual battery, comprises cell shell, cell lid, and it is characterized in: described cell shell is square metal housing, and square metal housing is built-in with plural pieces FeS
2the high-power square coating positive plate of positive active material and than the square coating negative plate of sandwich-type lithium paper tinsel of the many a slices of square coating positive plate; On every square coating positive plate, draw on a positive plate guide lug, every square coating negative plate and draw a negative plate guide lug; All positive plate guide lug is installed in an anodal lead-out tablet one end, all negative plate guide lug is installed in a negative pole lead-out tablet one end; The one side surrounding of described cell lid is shaped with cell shell opener part square hole sealing and is fixedly mounted with boss, is shaped with and is fixedly mounted with safety exhaust safety exhaust valve opening, insulation is drawn positive pole anodal fairlead and insulation and drawn negative pole negative pole fairlead on the face of cell lid.
The utility model can also adopt following technical measures:
Plus plate current-collecting body matrix in described square coating positive plate is roll-in or the 3-dimensional metal that is coated with high-power positive electrode.
Described high-power positive electrode comprises FeS
2active material, a kind of or plural number in SP, VGCF, acetylene black, graphite is planted conductive agent, and a kind of or plural number in PVDF, PTFE, CMC, acrylonitrile polymer is planted adhesive.
The valve body of described safety exhaust is the metal ring post of internal thread hole, and the aperture of described internal thread hole is greater than the aperture of safety exhaust valve opening on battery cover; On battery cover in safety exhaust valve body, be equipped with metallic film, in described internal thread hole, fitted seal is connected with external screw thread open tubular column.
The described anodal lead-out tablet other end is fixed with the rivet of drawing in cell lid outside, and the described negative pole lead-out tablet other end is fixed with the rivet of drawing in cell lid outside; Connect one end that the rivet of anodal lead-out tablet is positioned at outside cell lid and be fixedly mounted with a cathode-chip wiring, mutually insulated between described cathode-chip wiring and cell lid, be connected one end that the rivet of negative pole lead-out tablet is positioned at outside cell lid and be fixedly mounted with a cathode wiring plate, mutually insulated between described cathode wiring plate and cell lid.
The one side that described cell lid is arranged in cell shell is fixed with insulation cushion.
Described cell covers on anodal fairlead and negative pole fairlead and all overlaps and have sealing ring.
Sealing between described cell shell and cell lid is laser seal welding.
Aluminum enclosure or Stainless Steel Shell that described square metal thickness of shell is 0.5-1mm.
Advantage and the good effect that the utlity model has are:
1, the utility model adopts and has high mechanical properties and heat-sinking capability square metal material as large capacity Li-FeS
2cell housing, in battery container, interval neatly stacks large capacity Li-FeS
2square coating positive plate and square coating negative plate, can effectively prevent because of the battery discharge potential safety hazard of bringing that expands, not only the security performance of battery is good, and has higher space availability ratio, and battery volumetric specific energy and gravimetric specific energy all can improve 10%～30%.
2, the plus plate current-collecting body matrix adopting 3-dimensional metal in the square coating positive plate of the utility model, by FeS
2active material, a kind of or plural number in SP, VGCF, acetylene black, graphite (KS or colloid reagent type) is planted conductive agent, a kind of or plural number in PVDF, PTFE, CMC, acrylonitrile polymer is planted adhesive, roll-in or be coated in 3-dimensional metal, significantly improve the capacity of battery, 1000Ah can be reached, more than low discharge multiplying power can reach that 0.03C is above, high-discharge-rate can reach 0.1C, various power type products can be widely used in.
3, the utility model adopts the vent valve of metallic film as the replaceable rupture pressure disc of exhaust, has not only simplified liquid injection process, also can discharge at any time unnecessary gas in battery, effectively solves battery bulging problem, guarantees large capacity Li-FeS
2the fail safe of cell.
4, the utility model adopts laser welding sealing, has improved the sealing property of battery, has effectively prevented battery leakage.
Accompanying drawing explanation
Fig. 1 is the large capacity Li-FeS of the utility model
2rigid package square individual battery master looks cross-sectional schematic;
Fig. 2 is that internal structure schematic diagram is looked on a left side of Fig. 1;
Fig. 3 is the schematic top plan view of Fig. 1.
Wherein, 1-safety exhaust, 2-cell lid, 3-insulation cushion, 4-cathode-chip wiring, 5-sealing ring, 6-rivet, the anodal lead-out tablet of 7-, 8-negative pole lead-out tablet, 9-cell shell, the square coating negative plate of 10-, the square coating positive plate of 11-, 12-positive plate guide lug, 13-negative plate guide lug, 14-cathode wiring plate.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing 1-3 to be described in detail as follows:
Large capacity Li-FeS
2rigid package square individual battery, comprises cell shell, cell lid, is characterized in: described cell shell is square metal housing, and square metal housing is built-in with plural pieces FeS
2the high-power square coating positive plate of positive active material and than the square coating negative plate of sandwich-type lithium paper tinsel of the many a slices of square coating positive plate; On every square coating positive plate, draw on a positive plate guide lug, every square coating negative plate and draw a negative plate guide lug; All positive plate guide lug is installed in an anodal lead-out tablet one end, all negative plate guide lug is installed in a negative pole lead-out tablet one end; The one side surrounding of described cell lid is shaped with cell shell opener part square hole sealing and is fixedly mounted with boss, is shaped with and is fixedly mounted with safety exhaust safety exhaust valve opening, insulation is drawn positive pole anodal fairlead and insulation and drawn negative pole negative pole fairlead on the face of cell lid.
Plus plate current-collecting body matrix in described square coating positive plate is roll-in or the 3-dimensional metal that is coated with high-power positive electrode; Described high-power positive electrode comprises FeS
2active material, a kind of or plural number in SP, VGCF, acetylene black, graphite is planted conductive agent, and a kind of or plural number in PVDF, PTFE, CMC, acrylonitrile polymer is planted adhesive.
The valve body of described safety exhaust is the metal ring post of internal thread hole, and the aperture of described internal thread hole is greater than the aperture of safety exhaust valve opening on battery cover; On battery cover in safety exhaust valve body, be equipped with metallic film, in described internal thread hole, fitted seal is connected with external screw thread open tubular column.
The described anodal lead-out tablet other end is fixed with the rivet of drawing in cell lid outside, and the described negative pole lead-out tablet other end is fixed with the rivet of drawing in cell lid outside; Connect one end that the rivet of anodal lead-out tablet is positioned at outside cell lid and be fixedly mounted with a cathode-chip wiring, mutually insulated between described cathode-chip wiring and cell lid, be connected one end that the rivet of negative pole lead-out tablet is positioned at outside cell lid and be fixedly mounted with a cathode wiring plate, mutually insulated between described cathode wiring plate and cell lid.
The one side that described cell lid is arranged in cell shell is fixed with insulation cushion.
Described cell covers on anodal fairlead and negative pole fairlead and all overlaps and have sealing ring.
Sealing between described cell shell and cell lid is laser seal welding.
Aluminum enclosure or Stainless Steel Shell that described square metal thickness of shell is 0.5-1mm.
Large capacity Li-FeS
2the manufacturing process of rigid package square individual battery:
Embodiment 1:
Make the large capacity Li-FeS of low range electric discharge
2rigid package square individual battery
(1) make the square coating positive plate of low range electric discharge
Take the FeS of 88.6wt%
2as positive active material, take PTFE liquid that polytetrafluoroethylene (PTFE) content is 60wt% as adhesive, take the acetylene black of 5.8wt% and the graphite of 1.5wt% as conductive agent, the positive active material taking, adhesive and conductive agent are mixed as cathode mix, and wherein in anodal dry state mixture, the weight content of adhesive is 4.1%, in cathode mix, add water and prepare anodal pastel with mixer, the weight percent content of water in anodal pastel is 45%, anodal pastel is placed in to 100 ℃ of air dry oven 12h under condition and dries above, naturally cooling rear taking-up forms anodal powder, then with absolute ethyl alcohol, anodal powder is in harmonious proportion and forms anode sizing agent, the weight ratio of anodal powder and absolute ethyl alcohol is 100:55, by anode sizing agent on double roll press repeatedly roll-in form 0.65mm thick positive plate, positive plate is tailored into the size matching with square casing inside, between two rectangle positive plates, accompany the measure-alike three-dimensional aluminium dictyosome as anode collection of a slice and rectangle positive plate, on three-dimensional aluminium dictyosome, be welded with the aluminium foil as positive plate guide lug 12, anode collection is placed between two positive plates, two positive plates and plus plate current-collecting body are pressed into one with double roll press, make the positive plate that 0.9mm is thick, positive plate is placed in to air dry oven, under 100 ℃ of conditions, dries after 12h, then insert vacuum drying chamber, more than drying 48h under 100 ℃ of conditions, positive plate naturally cools to 25 ℃ of room temperatures in the environment of relative humidity≤1%, and wraps one deck polypropylene non-woven fabric as barrier film, exposes positive plate guide lug, completes the manufacturing process of the square coating positive plate 11 of low range electric discharge,
(2) make square coating negative plate
To be tailored into respectively the rectangular sheet measure-alike with positive plate as the thick lithium paper tinsel of negative plate 0.35mm with as the thick punching nickel foil of negative current collector 0.1mm, on punching nickel foil, be welded with the nickel foil bar as negative plate guide lug 13, negative current collector is placed between two negative plates, two negative plates and negative current collector are pressed into one with hydraulic press, make the negative plate that 0.75mm is thick; The PP/PE/PP composite membrane that is coated with aluminium oxide at negative plate outsourcing one deck, as barrier film, exposes negative plate guide lug, completes the manufacturing process of square coating negative plate 10;
(3) assemble the large capacity Li-FeS of low range electric discharge
2rigid package square individual battery
Selecting wall thickness is that the square aluminum housing of 0.6mm is as cell shell 9, select aluminium sheet to make cell lid 2, the peripheral dimension of cell lid is identical with the peripheral dimension of cell shell opener part, cell lid one side surrounding is the boss matching with cell shell opener part square hole, on the face of cell lid, there are three holes, interstitial hole is safety exhaust valve opening, the hole on both sides is respectively anodal fairlead and negative pole fairlead, anodal fairlead and negative pole fairlead put respectively after plastic seal ring 5, to there is the plastic insulation pad 3 that covers three hole corresponding apertures with cell to be attached to below cell lid, from the anodal fairlead of cell lid and the negative pole fairlead rivet 6 with opening through cylindrical end from top to bottom, the rivet opening part of anodal fairlead is enclosed within behind the aluminium strip one end as anodal lead-out tablet 7, rivet and anodal lead-out tablet are fixed into one with pin, the rivet opening part of negative pole fairlead is enclosed within behind the nickel lath one end as negative pole lead-out tablet 8, rivet and negative pole lead-out tablet is fixed into one with pin, be welded on the metal ring post with internal thread hole as the valve body of safety exhaust 1 on the safety exhaust valve opening of cell lid, the aperture of screwed hole is greater than the aperture of safety exhaust valve opening.
30 square coating positive plates and 31 square coating negative plate intervals are neatly stacked, positive plate guide lug and negative plate guide lug are staggered relatively,, pack in square individual battery case after adhesive tape outsourcing one deck polyimide film square coating positive plate and square coating negative plate encircling formation pole plate group with adhesive tape; All positive plate guide lug and anodal lead-out tablet are integrally welded, and all negative plate guide lug and negative pole lead-out tablet are integrally welded; Cell lid is covered on square individual battery case, adopt Laser Welding by integral to cell lid and square individual battery case seal welding; Then below the rivet die on anodal fairlead plastic seal ring, insert a slice and insert the copper bar of a slice as cathode wiring plate 14 below the copper bar of cathode-chip wiring 4, manufactured head on negative pole fairlead plastic seal ring, cathode-chip wiring and cathode wiring plate are separately fixed between two plastic seal rings and manufactured head that cell covers face.
Adopt vacuum liquid filling mode by 1mol/lLiCF
3sO
3pC+DME+DOL(volume ratio 1:1:1) electrolyte is injected into by safety exhaust valve opening in the cell shell that pole plate group is housed, after ageing, on safety exhaust valve opening in valve body screw thread hole, place after aluminium film, use with externally threaded open tubular column sealing and be tightened in valve body screw thread hole; In the time that cell internal pressure is excessive, bursting aluminium film discharge gas, has guaranteed the fail safe of battery; A diode in parallel (not marking in figure) between positive and negative electrode evenly applies alkaline-resisting epoxide-resin glue on positive lug plate, negative lug plate and rivet, completes low range as shown in Figure 1-Figure 3 and discharges with large capacity Li-FeS
2the manufacturing process of rigid package square individual battery.
Battery testing:
Battery carries out 33h electric discharge with 30A, and discharge cut-off voltage 1V carries out low range discharge test, and discharge capacity reaches 90%, and gravimetric specific energy reaches 400Wh/kg; The large capacity Li-FeS of low range electric discharge making
2the theoretical capacity of rigid package square individual battery can reach 1000Ah, discharge-rate can reach 0.03C.Battery testing result shows, low range discharging voltage balance, sufficient reacting, multiplying power is lower, discharge capacity more approaches theoretical capacity, and have that space availability ratio is high, volumetric specific energy and gravimetric specific energy is high, good airproof performance, safe feature.
Embodiment 2:
Make large capacity Li-FeS for high-multiplying power discharge
2rigid package square individual battery
(1) make square coating positive plate for high-multiplying power discharge
Take the FeS of 90wt%
2as positive active material, take polyacrylonitrile polymer content and be the polyacrylonitrile polymer aqueous solution of 15wt% as adhesive, take the acetylene black of 3wt% and the graphite of 3.5wt% as conductive agent, the positive active material taking, adhesive and conductive agent are mixed as cathode mix, and wherein in dry state cathode mix, the weight content of adhesive is 3.5%; In cathode mix, add water and prepare anode sizing agent with mixer, the weight percent content of water in anode sizing agent is 30%; Three-dimensional aluminium net is as plus plate current-collecting body, it is online that aluminium foil is welded on three-dimensional aluminium as positive plate guide lug 12, encase positive plate guide lug with high temperature resistant adhesive tape, with solutioning machine by anode sizing agent pour into three-dimensional aluminium net inside and outside and scrape after plane surface, insert the oven dry half an hour under 100 ℃ of conditions of air dry oven, after taking-up, take the high temperature resistant adhesive tape on positive plate guide lug off, to be pressed into 0.7mm with double roll press thick in positive plate, keep positive plate guide lug here, positive plate is tailored into the size matching with square casing inside as positive plate; More than positive plate is placed in and dries 48h under 100 ℃ of conditions of vacuum drying chamber, after taking out, positive plate naturally cools to 25 ℃ of room temperatures in the environment of relative humidity≤1%, and wrap one deck polypropylene non-woven fabric as barrier film, expose positive plate guide lug, complete the manufacturing process of high-multiplying power discharge with square coating positive plate 11;
(2) make square coating negative plate
To be tailored into respectively the rectangular sheet measure-alike with positive plate as the thick lithium paper tinsel of negative plate 0.25mm with as the thick nickel foil of negative current collector 0.1mm, on nickel foil, be welded with the nickel foil bar as negative plate guide lug 13, negative current collector is placed between two negative plates, two negative plates and negative current collector are pressed into one with hydraulic press, make the negative plate that 0.55mm is thick; As barrier film, expose negative plate guide lug at negative plate outsourcing one deck polypropylene non-woven fabric, complete the manufacturing process of square coating negative plate 10;
(3) assemble large capacity Li-FeS for high-multiplying power discharge
2rigid package square individual battery
Selecting wall thickness is that the square Stainless Steel Shell of 0.5mm is as cell shell 9, select corrosion resistant plate to make cell lid 2, the peripheral dimension of cell lid is identical with the peripheral dimension of cell shell opener part, cell lid one side surrounding is the boss matching with cell shell opener part square hole, on the face of cell lid, there are three holes, interstitial hole is safety exhaust valve opening, the hole on both sides is respectively anodal fairlead and negative pole fairlead, anodal fairlead and negative pole fairlead put respectively after plastic seal ring 5, to there is the plastic insulation pad 3 that covers three hole corresponding apertures with cell to be attached to below cell lid, from the anodal fairlead of cell lid and the negative pole fairlead rivet 6 with opening through cylindrical end from top to bottom, the rivet opening part of anodal fairlead is enclosed within behind the aluminium strip one end as anodal lead-out tablet 7, rivet and anodal lead-out tablet are fixed into one with pin, the rivet opening part of negative pole fairlead is enclosed within behind the nickel lath one end as negative pole lead-out tablet 8, rivet and negative pole lead-out tablet is fixed into one with pin, be welded on the metal ring post with internal thread hole as the valve body of safety exhaust 1 on the safety exhaust valve opening of cell lid, the aperture of screwed hole is greater than the aperture of safety exhaust valve opening.
60 square coating positive plates and 61 square coating negative plate intervals are neatly stacked, positive plate guide lug and negative plate guide lug are staggered relatively,, pack in square individual battery case after adhesive tape outsourcing one deck polyimide film square coating positive plate and the square pole plate group of square coating negative plate encircling formation with adhesive tape; All positive plate guide lug and anodal lead-out tablet are integrally welded, and all negative plate guide lug and negative pole lead-out tablet are integrally welded; Cell lid is covered on square individual battery case, adopt Laser Welding by integral to cell lid and cell shell seal welding; Then below the rivet die on anodal fairlead plastic seal ring, insert a slice and insert the copper bar of a slice as cathode wiring plate 14 below the copper bar of cathode-chip wiring 4, manufactured head on negative pole fairlead plastic seal ring, cathode-chip wiring and cathode wiring plate are separately fixed between two plastic seal rings and manufactured head that cell covers face.
Adopt vacuum liquid filling mode by 1mol/lLiCF
3sO
3pC+DME+DOL(volume ratio 1:1:1) electrolyte is injected into by safety exhaust valve opening in the cell shell that pole plate group is housed, after ageing, on safety exhaust valve opening in valve body screw thread hole, place after copper film, use with externally threaded open tubular column sealing and be tightened in valve body screw thread hole; In the time that cell internal pressure is excessive, bursting copper film discharge gas, has guaranteed the fail safe of battery; A diode in parallel (not marking in figure) between positive and negative electrode evenly applies alkaline-resisting epoxide-resin glue on positive lug plate, negative lug plate and rivet, completes large capacity Li-FeS for high-multiplying power discharge as shown in Figure 1-Figure 3
2the manufacturing process of rigid package square individual battery.
Battery testing:
Battery carries out 10h electric discharge with 100A, and discharge cut-off voltage 0.8V carries out low high-multiplying power discharge test, and discharge capacity reaches 90%, and gravimetric specific energy reaches 350Wh/kg; Large capacity Li-FeS for the high-multiplying power discharge of making
2the theoretical capacity of rigid package square individual battery can reach 1000Ah.
Although by reference to the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, can also make a lot of forms.Within these all belong to protection range of the present utility model.
Claims (9)
1. large capacity Li-FeS
2rigid package square individual battery, comprises cell shell, cell lid, it is characterized in that: described cell shell is square metal housing, and square metal housing is built-in with plural pieces FeS
2the high-power square coating positive plate of positive active material and than the square coating negative plate of sandwich-type lithium paper tinsel of the many a slices of square coating positive plate; On every square coating positive plate, draw on a positive plate guide lug, every square coating negative plate and draw a negative plate guide lug; All positive plate guide lug is installed in an anodal lead-out tablet one end, all negative plate guide lug is installed in a negative pole lead-out tablet one end; The one side surrounding of described cell lid is shaped with cell shell opener part square hole sealing and is fixedly mounted with boss, is shaped with and is fixedly mounted with safety exhaust safety exhaust valve opening, insulation is drawn positive pole anodal fairlead and insulation and drawn negative pole negative pole fairlead on the face of cell lid.
2. large capacity Li-FeS according to claim 1
2rigid package square individual battery, is characterized in that: the plus plate current-collecting body matrix in described square coating positive plate is roll-in or the 3-dimensional metal that is coated with high-power positive electrode.
3. large capacity Li-FeS according to claim 2
2rigid package square individual battery, is characterized in that: described high-power positive electrode comprises FeS
2active material, a kind of or plural number in SP, VGCF, acetylene black, graphite is planted conductive agent, and a kind of or plural number in PVDF, PTFE, CMC, acrylonitrile polymer is planted adhesive.
4. large capacity Li-FeS according to claim 1
2rigid package square individual battery, is characterized in that: the metal ring post that the valve body of described safety exhaust is internal thread hole, and the aperture of described internal thread hole is greater than the aperture of safety exhaust valve opening on battery cover; On battery cover in safety exhaust valve body, be equipped with metallic film, in described internal thread hole, fitted seal is connected with external screw thread open tubular column.
5. large capacity Li-FeS according to claim 1
2rigid package square individual battery, is characterized in that: the described anodal lead-out tablet other end is fixed with the rivet of drawing in cell lid outside, and the described negative pole lead-out tablet other end is fixed with the rivet of drawing in cell lid outside; Connect one end that the rivet of anodal lead-out tablet is positioned at outside cell lid and be fixedly mounted with a cathode-chip wiring, mutually insulated between described cathode-chip wiring and cell lid, be connected one end that the rivet of negative pole lead-out tablet is positioned at outside cell lid and be fixedly mounted with a cathode wiring plate, mutually insulated between described cathode wiring plate and cell lid.
6. large capacity Li-FeS according to claim 1
2rigid package square individual battery, is characterized in that: the one side that described cell lid is arranged in cell shell is fixed with insulation cushion.
7. large capacity Li-FeS according to claim 1
2rigid package square individual battery, is characterized in that: described cell covers on anodal fairlead and negative pole fairlead and all overlaps and have sealing ring.
8. large capacity Li-FeS according to claim 1
2rigid package square individual battery, is characterized in that: the sealing between described cell shell and cell lid is laser seal welding.
9. large capacity Li-FeS according to claim 1
2rigid package square individual battery, is characterized in that: aluminum enclosure or Stainless Steel Shell that described square metal thickness of shell is 0.5-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730262.4U CN203644879U (en) | 2013-11-18 | 2013-11-18 | Large-capacity Li-FeS2 rigid package square module battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730262.4U CN203644879U (en) | 2013-11-18 | 2013-11-18 | Large-capacity Li-FeS2 rigid package square module battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644879U true CN203644879U (en) | 2014-06-11 |
Family
ID=50876102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320730262.4U Expired - Fee Related CN203644879U (en) | 2013-11-18 | 2013-11-18 | Large-capacity Li-FeS2 rigid package square module battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335880A (en) * | 2020-09-24 | 2022-04-12 | 比亚迪股份有限公司 | Utmost point ear and laminate polymer battery |
-
2013
- 2013-11-18 CN CN201320730262.4U patent/CN203644879U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335880A (en) * | 2020-09-24 | 2022-04-12 | 比亚迪股份有限公司 | Utmost point ear and laminate polymer battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202067875U (en) | Flexibly packaged battery and battery pack thereof | |
| CN101141010A (en) | High voltage power type lithium ion chargeable battery | |
| CN203760523U (en) | Large-capacity Li-FeS2 rigid package type special-shaped monomer battery | |
| CN102881918B (en) | The preparation method of Large Copacity disposable lithium-battery | |
| CN103268928A (en) | Bipolar battery and bipolar energy storage apparatus | |
| CN201904410U (en) | Lithium ion secondary battery capable of dissipating heat quickly | |
| CN203644879U (en) | Large-capacity Li-FeS2 rigid package square module battery | |
| CN104659384A (en) | Preparation method of large-capacity power-type lithium-ferrous disulfide (Li-FeS2) battery pack | |
| CN104471745A (en) | Secondary battery terminal structure and secondary battery | |
| CN203760564U (en) | Large-capacity Li-FeS2 rigid package type module battery pack | |
| CN102290596A (en) | Lithium-ion power battery | |
| CN203553230U (en) | Large-capacity Li-FeS2 soft package special-shaped monomer battery | |
| CN209266474U (en) | A kind of high security lithium ion battery module peculiar to vessel | |
| CN203644880U (en) | Large-capacity Li-FeS2 flexible package module battery | |
| CN208955097U (en) | A kind of high-capacity lithium battery | |
| CN207398244U (en) | The cathode gasket of cylindrical lithium ion battery | |
| CN104600375A (en) | High-power wide-temperature-zone power nickel-hydrogen battery | |
| CN102244207A (en) | Combined type shell structure of lithium ion battery | |
| CN207320260U (en) | A kind of LiFePO4 battery core | |
| CN201084789Y (en) | A high-voltage dynamic lithium ion chargeable battery | |
| CN102856591A (en) | Preparation method of high-capacity lithium-manganese battery | |
| CN102867968B (en) | A kind of large capacity disposable lithium-battery | |
| CN102810692B (en) | Annular superconductive lithium ion power battery | |
| CN206412241U (en) | A kind of rectangular cell capacitor | |
| CN106299553B (en) | A kind of lithium ion battery and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20161118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |