CN103647112B - Side pole multivoltage Ni-MH battery module - Google Patents
Side pole multivoltage Ni-MH battery module Download PDFInfo
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- CN103647112B CN103647112B CN201310720841.5A CN201310720841A CN103647112B CN 103647112 B CN103647112 B CN 103647112B CN 201310720841 A CN201310720841 A CN 201310720841A CN 103647112 B CN103647112 B CN 103647112B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/34—Gastight accumulators
- H01M10/345—Gastight metal hydride accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Side pole multivoltage Ni-MH battery module, belongs to cell art.Comprise the battery core (5) be fixed in battery modules shell (1), battery modules shell (1) inner chamber is vertically provided with multiple dividing plate (2), battery modules shell (1) inner chamber is cut off the cell chamber (3) for multiple mutual sealing, a battery core (5) is packaged with respectively in each cell chamber (3), dividing plate (2) is fixed with conductive pole (4), multiple battery core (5) to be in series connection by conductive pole (4), the battery core (5) being positioned at battery modules shell (1) two ends connects the positive terminal (6) and negative terminal (7) that pass battery modules shell (1) respectively.The present invention to be connected each battery core by conductive pole, battery core is directly connected in battery modules enclosure, reduces the weight of battery modules, the advantage such as have that Capacity Ratio is high, cost is low, use safety, life-span are long.
Description
Technical field
Side pole multivoltage Ni-MH battery module, belongs to cell art, is specifically related to the side pole multivoltage Ni-MH battery module that a kind of inside connects.
Background technology
Traditional Ni-MH battery module is by series by connecting plate for the cell of some, each cell is one piece of complete battery, there are positive terminal and negative terminal, because in nickel-hydrogen cell charging and discharging process, thermal effect is very large, very high to the seal request of each cell, each positive terminal and negative terminal and battery modules shell body junction need to arrange hermetically-sealed construction, positive terminal, negative terminal, nut, hermetically-sealed construction causes the weight of battery modules large, cost is very high, and fault point is many, any one cell leakage can cause the short circuit of whole battery modules to scrap, connecting plate is positioned at outside battery, be easy to be short-circuited, whole battery modules is threatened even to use the safety of the equipment of battery modules.
The pole piece of Ni-MH battery was all upside white edge (nickel strap of uncoated active material) being arranged on pole piece in the past, each pole piece correspondence welding lug (also referred to as flow collection sheet), then welded with collector by lug, the pole piece of Ni-MH battery is all generally adopt vertical rectangle, cause the white edge of welding shorter, after such white edge is connected with collector, battery is caused easily to generate heat, simultaneously owing to being be connected with collector by lug, welding procedure step is many, what is more important adds this intermediate carrier of lug, electric current through passing through collector from pole piece again after lug, resistance is caused to increase, battery is easy to heating, and often there is the unstable phenomenon of electric welding in the white edge of lug and pole piece, pole piece is caused to come off with lug in the use procedure of battery, battery capacity is directly caused to decline, affect battery, break the balance between each battery in battery modules, reduce the useful life of battery modules.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides that a kind of Capacity Ratio is large, cost is low, side pole multivoltage Ni-MH battery module that use safety, life-span are long.
The technical solution adopted for the present invention to solve the technical problems is: this side pole multivoltage Ni-MH battery module, comprise the battery core be fixed in battery modules shell, battery core to be superposed by barrier film interval by positive plate and negative plate and forms, it is characterized in that: described battery modules shell inner cavity is vertically provided with multiple dividing plate, battery modules shell inner cavity is cut off the cell chamber for multiple mutual sealing, a battery core is packaged with respectively in each cell chamber, dividing plate is fixed with conductive pole, multiple battery core to be in series connection by conductive pole, the battery core being positioned at battery modules shell two ends connects the positive terminal and negative terminal that pass battery modules shell respectively.Multiple battery core is encapsulated with an overall battery modules shell, alleviate the weight of battery modules shell, to be connected each battery core by conductive pole, battery core is directly connected in battery modules enclosure, saves the hermetically-sealed constructions such as a large amount of poles, nut, connecting plate and O-ring seal, reduce the weight of battery modules, improve Capacity Ratio, reduce costs, and connect in battery modules enclosure, avoid the danger of short circuit, use safety.
The positive pole white edge of described positive plate directly welds with the plus plate current-collecting body of pectination, the negative pole white edge of negative plate directly welds with the negative current collector of pectination, positive terminal is fixedly connected with the plus plate current-collecting body of the battery core on the left of battery modules shell, negative terminal is fixedly connected with the negative current collector of the battery core on the right side of battery modules shell, and other plus plate current-collecting bodies and current collector and bottom plate spoting are on conductive pole.Positive pole white edge directly welds with plus plate current-collecting body, negative pole white edge directly welds with negative current collector, decrease this connection piece of lug, electric current directly passes through collector from pole piece, resistance reduces, battery not easily generates heat, and existing Ni-MH battery adopts lug to connect pole piece and collector is the major reason causing battery-heating, is the reason that current Ni-MH battery is difficult to be used in electric automobile; And decrease lug and this step of pole piece spot welding, simplify processing technology, reduce manufacturing cost, positive plate and plus plate current-collecting body, negative plate are connected more firm with negative current collector, battery is longer.
Described positive plate and negative plate are rectangle, and positive pole white edge is arranged on the left side vertical limit of positive plate, and positive pole white edge vertically runs through positive plate, and the comb of plus plate current-collecting body is identical with positive pole white edge length; Negative pole white edge is arranged on the right vertical limit of negative plate, and negative pole white edge vertically runs through negative plate, and the comb of negative current collector is identical with negative pole white edge length.Be separately positioned on vertical edge by positive pole white edge and negative pole white edge, positive pole white edge and negative pole white edge length are increased, resistance reduces, reduce battery-heating, improve battery, the comb of collector is identical with white edge length, reduce resistance, reduce battery-heating further.
Described positive terminal is connected to the upper end of plus plate current-collecting body, and negative terminal is connected to the upper end of negative current collector, and positive terminal and negative terminal pass from the upper surface of battery modules shell respectively.
Described positive terminal is connected to the middle part of plus plate current-collecting body, and negative terminal is connected to the middle part of negative current collector, and positive terminal and negative terminal pass from two of battery modules shell vertical sides respectively.Positive terminal and negative terminal are arranged on the side of battery modules shell, make electric current to the positive terminal at middle part or the flowing of negative terminal direction, the current path length of pole piece upper and lower is identical, overcome original anode post and negative terminal to be arranged on top and to cause top current path short, lower current path length, the problem that battery bottom easily generates heat.
The material of described conductive pole is iron.The conductive pole of iron material matter is convenient to weld with collector.
The material of described battery modules shell and battery cover is engineering plastics or nylon, battery cover offers multiple liquid injection port, and liquid injection port is communicated with each cell chamber respectively.The battery modules shell water proofing property of engineering plastics or nylon material is better, and when rainy day, ponding sections of road, battery modules shell can bear the water soaking of certain altitude, use safety, each independent fluid injection in cell chamber, fluid infusion.
Described battery cover downside offers the sealed groove coordinated with battery modules shell upper opening, and battery modules shell upper is inserted in sealed groove and formed dry-well sealing.Make each cell chamber separate by sealed groove, good airproof performance.
Compared with prior art, the beneficial effect that side of the present invention pole multivoltage Ni-MH battery module has is:
1, Capacity Ratio is large, cost is low, multiple battery core is encapsulated with an overall battery modules shell, alleviate the weight of battery modules shell, to be connected each battery core by conductive pole, battery core is directly connected in battery modules enclosure, saves the hermetically-sealed constructions such as a large amount of poles, nut, connecting plate and O-ring seal, reduce the weight of battery modules, improve Capacity Ratio, reduce costs.
2, use safety, is connected by conductive pole in battery modules enclosure, avoids the danger of short circuit, use safety.
3, battery not easily generates heat, positive pole white edge directly welds with plus plate current-collecting body, negative pole white edge directly welds with negative current collector, decrease this connection piece of lug, electric current is from pole piece directly by collector, and resistance reduces, and battery not easily generates heat, and existing Ni-MH battery adopts lug to connect pole piece and collector is the major reason causing battery-heating, it is the reason that current Ni-MH battery is difficult to be used in electric automobile; Be separately positioned on vertical edge by positive pole white edge and negative pole white edge, positive pole white edge and negative pole white edge length are increased, resistance reduces, and reduces battery-heating, improves battery.
4, decrease lug and this step of pole piece spot welding, simplify processing technology, reduce manufacturing cost, positive plate and plus plate current-collecting body, negative plate are connected more firm with negative current collector, battery is longer.
Accompanying drawing explanation
Fig. 1 is the perspective view of battery modules shell in embodiment 1.
Fig. 2 is the sectional structure schematic diagram of embodiment 1.
Fig. 3 is the perspective view of the collector be connected with positive and negative terminals.
Fig. 4 is the horizontal sectional structure schematic diagram of battery core.
Fig. 5 is the schematic diagram of positive plate.
Fig. 6 is the schematic diagram of negative plate.
Fig. 7 is the sectional structure schematic diagram of embodiment 2.
Wherein: 1, battery modules shell 2, dividing plate 3, cell chamber 4, conductive pole 5, battery core 51, positive plate 511, positive pole white edge 52, negative plate 521, negative pole white edge 53, barrier film 6, positive terminal 7, negative terminal 8, plus plate current-collecting body 9, negative current collector 10, battery cover 11, liquid injection port 12, sealed groove 13, left cap 14, right cap.
Embodiment
Fig. 1 ~ 6 are most preferred embodiments of side of the present invention pole multivoltage Ni-MH battery module, and below in conjunction with accompanying drawing 1 ~ 7, the present invention will be further described.
Embodiment 1, with reference to Fig. 1 ~ 2, side pole multivoltage Ni-MH battery module, comprise battery modules shell 1 and battery core 5, battery modules shell 1 upper opening is fixed with battery cover 10, battery modules shell 1 inner chamber is vertically provided with four dividing plates 2, on average being cut off by battery modules shell 1 inner chamber is five cell chambeies 3 mutually sealed, a battery core 5 is packaged with respectively in each cell chamber 3, dividing plate 2 is fixed with the conductive pole 4 in the adjacent two cell chambeies 3 of electric connection, two adjacent battery cores 5 are connected by conductive pole 4, the battery core 5 being positioned at battery modules shell 1 both sides connects the positive terminal 6 and negative terminal 7 that pass battery modules shell 1 respectively.
The material of conductive pole 4 is highly purified iron, be convenient to weld with collector, for increasing the corrosion resistance of conductive pole 4, Nickel Plating Treatment can be carried out outside conductive pole 4, battery modules shell 1 is engineering plastics or nylon with the material of battery cover 10, battery modules shell 1 water proofing property of engineering plastics or nylon material is better, in the rainy day, during ponding sections of road, battery modules shell 1 can bear the water soaking of certain altitude, use safety, battery cover 10 offers multiple liquid injection port 11, liquid injection port 11 is communicated with each cell chamber 3 respectively, by the fluid injection separately of each cell chamber 3 of each liquid injection port 11, fluid infusion, battery cover 10 downside offers the sealed groove 12 coordinated with battery modules shell 1 upper opening, battery modules shell 1 top is inserted in sealed groove 12 and is formed dry-well sealing, good airproof performance, make each cell chamber 3 separate by sealed groove 12, prevent battery core 5 short circuit in a cell chamber 3 from impacting other battery cores 5.
With reference to Fig. 2 ~ 3, positive terminal 6 and negative terminal 7 are arranged on the upper side of battery modules shell 1, on the left of battery modules shell 1, on the left of the plus plate current-collecting body 8 of battery core 5, battery modules shell 1, negative current collector 9 structure of battery core 5 adopts inverted L shape, vertical portion is pectination, horizontal part is be positioned at the trapezium structure above battery core 5, positive terminal 6 is vertically fixed on the horizontal part upper surface of plus plate current-collecting body 8, and negative terminal 7 is vertically fixed on the horizontal part upper surface of negative current collector 9.The comb of plus plate current-collecting body 8 is identical with positive pole white edge 511 length, and the comb of negative current collector 9 is identical with negative pole white edge 521 length, reduces resistance, reduces battery-heating further.
With reference to Fig. 4 ~ 6, positive plate 51 and the negative plate 52 of battery core 5 are arranged by barrier film 53 interval, and positive plate 51 and negative plate 52 are rectangle, and positive pole white edge 511 is arranged on the left side vertical limit of positive plate 51, and positive pole white edge 511 vertically runs through positive plate 51, negative pole white edge 521 is arranged on the right vertical limit of negative plate 52, negative pole white edge 521 vertically runs through negative plate 52, the positive pole white edge 511 of positive plate 51 directly welds with the plus plate current-collecting body 8 of pectination, the negative pole white edge 521 of negative plate 52 directly welds with the negative current collector 9 of pectination, be specially many group positive pole white edges 511 to insert respectively in the gap of each tooth of pectination plus plate current-collecting body 8, then one or more welding wire is placed, argon arc welding is utilized directly to be welded on plus plate current-collecting body 8 by positive pole white edge 511, be connected firmly, and resistance is little, negative pole white edge 521 adopts identical welding manner with negative current collector 9.Positive terminal 6 is fixedly connected with the plus plate current-collecting body 8 of the battery core 5 on the left of battery modules shell 1, and negative terminal 7 is fixedly connected with the negative current collector 9 of the battery core 5 on the right side of battery modules shell 1, and other plus plate current-collecting bodies 8 and negative current collector 9 are welded on conductive pole 4.
Manufacturing process: step 1, positive plate 51 are with negative plate 52 in pulling phase, and be arranged on by positive pole white edge 511 on the left side vertical limit of positive plate 51, negative pole white edge 521 is arranged on the right vertical limit of negative plate 52.
Step 2, by barrier film 53, positive plate 51 and negative plate 52 interval are superposed and forms battery core 5, positive pole white edge 511 divides into groups to insert in each backlash of plus plate current-collecting body 8, and place a root wire, utilize argon arc welding by welding wire, positive pole white edge 511 melting, make positive pole white edge 511 directly be welded on plus plate current-collecting body 8; Negative pole white edge 521 adopts identical welding manner with negative current collector 9.
Step 3, cell chamber 3 is put into by being welded with the battery core 5 of plus plate current-collecting body 8 with negative current collector 9, wherein the battery core 5 at battery modules shell 1 two ends adopts the collector shown in Fig. 3, other plus plate current-collecting bodies 8 weld with conductive pole 4 respectively with negative current collector 9, each battery core 5 is connected, battery cover 10 is fixed on the upper opening of battery modules shell 1, positive terminal 6, negative terminal 7 stretches out battery cover 10 upper surface, and seal respectively by sealing mechanisms such as O-ring seals, by liquid injection port 11, fluid injection is carried out to each cell chamber 3, last at liquid injection port 11 place mounting safety valve.
Be more than most preferred embodiment of the present invention, the present invention can also adopt following structure:
Embodiment 2
With reference to Fig. 7, positive terminal 6 can also be connected to the middle part of plus plate current-collecting body 8 by the present invention, and negative terminal 7 is connected to the middle part of negative current collector 9, and positive terminal 6 and negative terminal 7 pass from two of battery modules shell 1 vertical sides respectively.Positive terminal 6 and negative terminal 7 are arranged on the side of battery modules shell 1, make electric current to the positive terminal 6 at middle part or the flowing of negative terminal 7 direction, the current path length of pole piece upper and lower is identical, overcome original anode post and negative terminal to be arranged on top and to cause top current path short, lower current path length, the problem that battery bottom easily generates heat, for ease of assembling, the both sides of battery modules shell 1 are respectively left cap 13 and right cap 14, slot respectively in bottom and the both sides of left cap 13 and right cap 14, the both sides of battery modules shell 1 and bottom are inserted in left cap 13 and right cap 14, then encapsulation process is carried out, after the battery core 5 at such battery modules shell 1 two ends connects plus plate current-collecting body 8 and negative current collector 9, be convenient to positive terminal 6 pass from left cap 13 and right cap 14 with negative terminal 7, positive terminal 6 and negative terminal 7 seal respectively by sealing mechanisms such as O-ring seals and pass left cap 13 and right cap 14, prevent leakage.Other structures are with embodiment 1.
Above embodiment arranges four dividing plates 2 in battery modules shell 1, and battery modules shell 1 inner chamber is equally divided into five cell chambeies 3, and the present invention can also arrange the dividing plate 2 of other quantity in battery modules shell 1.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection range of technical solution of the present invention.
Claims (6)
1. a side pole multivoltage Ni-MH battery module, comprise the battery core (5) be fixed in battery modules shell (1), battery core (5) to be superposed by barrier film (53) interval by positive plate (51) and negative plate (52) and forms, it is characterized in that: described battery modules shell (1) inner chamber is vertically provided with multiple dividing plate (2), battery modules shell (1) inner chamber is cut off the cell chamber (3) for multiple mutual sealing, a battery core (5) is packaged with respectively in each cell chamber (3), dividing plate (2) is fixed with conductive pole (4), multiple battery core (5) to be in series connection by conductive pole (4), the battery core (5) being positioned at battery modules shell (1) two ends connects the positive terminal (6) and negative terminal (7) that pass battery modules shell (1) respectively,
The positive pole white edge (511) of described positive plate (51) directly welds with the plus plate current-collecting body (8) of pectination, the negative pole white edge (521) of negative plate (52) directly welds with the negative current collector (9) of pectination, positive terminal (6) is fixedly connected with the plus plate current-collecting body (8) of the battery core (5) in battery modules shell (1) left side, negative terminal (7) is fixedly connected with the negative current collector (9) of the battery core (5) on battery modules shell (1) right side, and other plus plate current-collecting bodies (8) and negative current collector (9) are welded on conductive pole (4);
Described positive plate (51) and negative plate (52) are rectangle, positive pole white edge (511) is arranged on the left side vertical limit of positive plate (51), positive pole white edge (511) vertically runs through positive plate (51), and the comb of plus plate current-collecting body (8) is identical with positive pole white edge (511) length; Negative pole white edge (521) is arranged on the right vertical limit of negative plate (52), and negative pole white edge (521) vertically runs through negative plate (52), and the comb of negative current collector (9) is identical with negative pole white edge (521) length.
2. side according to claim 1 pole multivoltage Ni-MH battery module, it is characterized in that: described positive terminal (6) is connected to the upper end of plus plate current-collecting body (8), negative terminal (7) is connected to the upper end of negative current collector (9), and positive terminal (6) and negative terminal (7) pass from the upper surface of battery modules shell (1) respectively.
3. side according to claim 1 pole multivoltage Ni-MH battery module, it is characterized in that: described positive terminal (6) is connected to the middle part of plus plate current-collecting body (8), negative terminal (7) is connected to the middle part of negative current collector (9), and positive terminal (6) and negative terminal (7) pass from two vertical sides of battery modules shell (1) respectively.
4. side according to claim 1 pole multivoltage Ni-MH battery module, is characterized in that: the material of described conductive pole (4) is iron.
5. side according to claim 1 pole multivoltage Ni-MH battery module, it is characterized in that: described battery modules shell (1) is engineering plastics or nylon with the material of battery cover (10), battery cover (10) offers multiple liquid injection port (11), liquid injection port (11) is communicated with each cell chamber (3) respectively.
6. side according to claim 1 pole multivoltage Ni-MH battery module, it is characterized in that: described battery cover (10) downside offers the sealed groove (12) coordinated with battery modules shell (1) upper opening, battery modules shell (1) top is inserted in sealed groove (12) and is formed dry-well sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720841.5A CN103647112B (en) | 2013-12-24 | 2013-12-24 | Side pole multivoltage Ni-MH battery module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310720841.5A CN103647112B (en) | 2013-12-24 | 2013-12-24 | Side pole multivoltage Ni-MH battery module |
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| CN103647112A CN103647112A (en) | 2014-03-19 |
| CN103647112B true CN103647112B (en) | 2016-02-24 |
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| CN201310720841.5A Expired - Fee Related CN103647112B (en) | 2013-12-24 | 2013-12-24 | Side pole multivoltage Ni-MH battery module |
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| CN103872740A (en) * | 2014-03-26 | 2014-06-18 | 李亚昭 | Mobile power source with battery core groove extensible |
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| CN103647112A (en) | 2014-03-19 |
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