CN204118197U - A kind of soft bag lithium ionic cell module - Google Patents
A kind of soft bag lithium ionic cell module Download PDFInfo
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- CN204118197U CN204118197U CN201420444250.XU CN201420444250U CN204118197U CN 204118197 U CN204118197 U CN 204118197U CN 201420444250 U CN201420444250 U CN 201420444250U CN 204118197 U CN204118197 U CN 204118197U
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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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Abstract
A kind of soft bag lithium ionic cell module, described module comprises soft bag lithium ionic cell layer unit, base plate, upper cover, fastening bolt; Described soft bag lithium ionic cell layer unit comprises soft bag lithium ionic cell, framework, heating panel, described framework is rectangular configuration, be made up of at least one rectangular cavities, described heating panel is provided with shape and the quantity pit identical with the rectangular cavities quantity of described framework, described heating panel is installed in described framework, and the pit on heating panel is absorbed in the rectangular cavities of framework; Described soft bag lithium ionic cell is arranged in the pit of described heating panel, overall formation soft bag lithium ionic cell layer unit; At least two soft bag lithium ionic cell layer unit through-thickness are stacked to be fixedly mounted between base plate and upper cover by fastening bolt, forms soft bag lithium ionic cell module.A surface of battery and heating panel realize fitting, and be convenient to heat radiation, the heat dissipation wind channel that framework is arranged enhances heat sinking function.Soft bag lithium ionic cell layer unit can laterally be expanded, and also can realize the expansion of thickness direction by Multi-stacking compaction, be convenient to arrange, have compact conformation, the feature that energy density is high.
Description
Technical field
The utility model relates to a kind of lithium ionic cell module, particularly relates to a kind of soft bag lithium ionic cell module.Belong to soft bag lithium ionic cell preparing technical field.
Background technology
Develop the inevitable choice that energy-conservation and new-energy automobile has become China's energy strategy, according to development plan, current emphasis advances pure electric automobile and plug-in hybrid-power automobile industrialization.In China, electric automobile often adopted lead-acid battery as electrokinetic cell in the past, but lead-acid battery energy density is low, and can bring negative effect to environment, producer must separately be looked for alternative; Hybrid vehicle often adopted Ni-MH battery in the past, but Ni-MH battery energy density is on the low side, is not suitable for plug-in hybrid-power automobile.Lithium ion battery, because have higher energy density, becomes the first-selection of pure electric automobile and plug-in hybrid-power automobile.
The production history of China's lithium ion battery is not short, but producing the soft bag lithium ionic cell being specifically designed to electric automobile is then just just started in recent years.First soft bag lithium ionic cell is used for electric automobile needs to utilize modular technology, battery cell is combined into suitable module, is then assembled into battery case.But lithium-ion-power cell is when electric automobile patrix blocking is applied, due to the impact of the factors such as connected mode, consistency, ambient temperature difference, the parameters such as power battery module specific energy, specific power do not reach single level, useful life, comparatively cell shortened, cause system operation and maintenance cost to increase, become one of bottleneck problem of restriction motor vehicle industrialized development and application.The life-span of improving electric powered motor power supply, except raising battery self-technique, also will launch research from battery integrated approach or modular structure, make the battery module life-span close to or reach battery cell level, this has become the common recognition of electric automobile industry.
During soft bag lithium ionic cell composition module, monomer mainly contains following several scheme in spatiality.Scheme one is upright, and the program is convenient to assembling and is connected, and namely General Motors VOLT have employed this scheme; Scheme two is edge-on, and the program in height takes up room little, is convenient to arrange, LG Corp of South Korea have employed this scheme; Scheme three lies low, and the program is the most favourable for the useful life to battery, but install and be connected, and can make troubles.
Such as, patent documentation CN103168387A discloses a kind of battery pack for motor vehicle.
The battery cell of this battery pack adopts upright scheme, has the intermediate board body of electric insulation and heat conduction between monomer.Intermediate board body extends to battery bottom always, and bottom is provided with heat-conducting layer, has heat dissipating layer below heat-conducting layer.Heat, by intermediate board body and heat-conducting layer, distributes at heat dissipating layer by the heat that battery produces.The radiator structure more complicated comparatively speaking of the program, manufacturing cost is higher, and simultaneously upright scheme is unfavorable for the useful life to battery.
A kind of structure of market in urgent need is simple, be easy to the module scheme expanded, convenient for maintaining can play again fine protective effect to battery.
Utility model content
The purpose of this utility model is exactly the deficiency that will overcome existing soft bag lithium ionic cell module, provides the soft bag lithium ionic cell module that a kind of structure is simple, be easy to expansion, convenient for maintaining, improves the useful life of lithium ion battery of electric automobile group.
A kind of soft bag lithium ionic cell module of the utility model, described module comprises soft bag lithium ionic cell layer unit, base plate, upper cover, fastening bolt; Described soft bag lithium ionic cell layer unit comprises soft bag lithium ionic cell, framework, heating panel, described framework is rectangular configuration, be made up of at least one rectangular cavities, described heating panel is provided with shape and the quantity pit identical with the rectangular cavities quantity of described framework, described heating panel is installed in described framework, and the pit on heating panel is absorbed in the rectangular cavities of framework; Described soft bag lithium ionic cell is arranged in the pit of described heating panel, overall formation soft bag lithium ionic cell layer unit; Described heating panel is provided with bolt hole;
At least two soft bag lithium ionic cell layer unit through-thickness stacked by fastening bolt be installed on be located at framework, base plate, in the bolt hole that covers, multiple soft bag lithium ionic cell layer unit is fixedly mounted between base plate and upper cover, forms soft bag lithium ionic cell module.
A kind of soft bag lithium ionic cell module of the utility model, a limit of described framework is provided with the first groove, and described soft bag lithium ionic cell is installed in the pit of described heating panel, and battery pole ear extends to outside soft bag lithium ionic cell module through described first groove.
A kind of soft bag lithium ionic cell module of the utility model, the limit being provided with the first groove in described framework is defined as the first limit, and the limit perpendicular to the first limit is defined as Second Edge; First limit upper surface of described first limit and Second Edge intersection is provided with the second groove, the described axis of the second groove and the axis being parallel of Second Edge; The degree of depth of described second groove is more than or equal to 1/2 of the first limit height.
A kind of soft bag lithium ionic cell module of the utility model, described framework first limit is provided with axis being parallel in the boss of described frame plane, and described boss is arranged on the center line of each rectangular cavities; This boss forms the hard shoulder between battery plus-negative plate on the one hand, prevents the generation of battery short circuit accident; Also can hole on boss, for framework provides fastening condition on the other hand.
A kind of soft bag lithium ionic cell module of the utility model, described framework is cast by insulating material and is made, and described insulating material is selected from the one in engineering plastics, fiberglass, PVC composite material, nylon.
A kind of soft bag lithium ionic cell module of the utility model, the pit both side ends that described heating panel is arranged is each extendedly has a draw-in groove, the cross section of described draw-in groove is rectangular, bottom surface opening, the opening direction of described draw-in groove is contrary with the opening direction of described pit, when described heating panel is installed in described framework, the Second Edge of framework is installed in described draw-in groove, the space formed between the Second Edge of the draw-in groove that described heating panel is arranged and described framework and the second groove be arranged on described framework first limit form the heat dissipation channel of described soft bag lithium ionic cell module jointly.
A kind of soft bag lithium ionic cell module of the utility model, described heating panel is by metal material punch forming, and described metal material is selected from aluminium, copper, a kind of metal of zinc or its alloy.
A kind of soft bag lithium ionic cell module of the utility model, is connected by conducting strip between described soft bag lithium ionic cell, realizes in parallel or series connection.
A kind of soft bag lithium ionic cell module of the utility model, described conducting strip is divided into end conducting strip and middle conducting strip.
A kind of soft bag lithium ionic cell module of the utility model, described middle conducting strip is rectangle, which is provided with two group leader's bar shaped grooves along the distribution of rectangle axisymmetrical, and this strip groove is used as lug via hole.
A kind of soft bag lithium ionic cell module of the utility model, described end conducting strip is rectangle, is evenly equipped with strip groove along rectangular length direction; The quantity of the strip groove that described end conducting strip is arranged is identical with the strip groove quantity that described middle conducting strip is arranged; Or
The quantity of the strip groove that described end conducting strip is arranged is 1/2 of the strip groove quantity that described middle conducting strip is arranged.
A kind of soft bag lithium ionic cell module of the utility model, the width 0.5-1mm larger than described soft bag lithium ionic cell lug thickness of each the strip groove on end conducting strip or middle conducting strip, the spacing between neighboring strips shape groove is thickness and the fin thickness sum of described soft bag lithium ionic cell.
A kind of soft bag lithium ionic cell module of the utility model, according to the quantity of soft bag lithium ionic cell layer unit in same layer, at the described framework boss of arranging equal number corresponding on base plate, the two poles of the earth of isolation battery, prevent battery short circuit, can hole on boss as the compression of soft bag lithium ionic cell module provides securing member installation site simultaneously.
The utility model adopts said structure, compared with prior art, has the following advantages:
1, the accommodating soft-package battery in space adopting the rectangular cavities of the pit on heating panel and framework to form; heating panel and framework play a good protection to soft bag lithium ionic cell; be conducive to the useful life extending battery; soft-package battery is in the state lain low in the module, promotes the useful life of soft-package battery further.
2, the accommodating soft-package battery in space adopting the rectangular cavities of the pit on heating panel and framework to form, the surface of heating panel and battery realizes fitting, and is convenient to heat radiation; Combine closely between soft bag lithium ionic cell layer unit, make battery modular structure compact, specific energy is high, can reach 120Wh/Kg.
3, the structure of heating panel Integration Framework is adopted, make the extensibility of battery module good, can adjust neatly according to the number of plies of requirement to layer unit battery number and module layer unit used, be convenient to arrange, there is compact conformation, the advantage that energy density is high.
4, adopt the structure of heating panel Integration Framework, define cooling air channel in soft bag lithium ionic cell both sides, make module have good heat sinking function, effectively improve the useful life of soft bag lithium ionic cell and the stability of soft package battery module work and reliability.
5, the syndeton adopting end conducting strip to combine with middle conducting strip, the connection of conducting strip and lug is reliable, can realize series and parallel easily and connect to form the battery module that the parameter such as voltage, capacity meets the demands between battery; And connect based on lateral connection, offer convenience to changeing battery during maintenance, meanwhile, conducting strip section loss is little, can reduce conducting strip thickness.
The two poles of the earth of battery cell, in the boss of described frame plane, separate by the axis being parallel 6, framework first limit arranged, and reduce the possibility occurring short circuit when assembling, connection, maintenance.
In sum, a kind of soft bag lithium ionic cell module that the utility model provides, has compact conformation, easy to maintenance, and expansion easily; Can either play a good protection to battery, achieve electrical connection well again; Both realize the isolation of monomer, reach again the requirement of heat radiation.Electric automobile lithium battery group is increased the service life and improves energy density and there is significant effect.Be suitable for suitability for industrialized production.
Accompanying drawing explanation
Accompanying drawing 1 is the soft bag lithium ionic cell layer unit structural blast figure that utility model four soft bag lithium ionic cell monomers are formed;
Accompanying drawing 2 is the soft bag lithium ionic cell modular structure explosive view that in the utility model, 2 layers of soft bag lithium ionic cell layer unit is formed;
Accompanying drawing 3 is middle conductive connecting piece structural representation of the present utility model;
Accompanying drawing 4 is a kind of end of the present utility model conductive connecting piece structural representation;
Accompanying drawing 5 is another kind of end of the present utility model conductive connecting piece structural representation;
4 × 4 module electrical connection graphs that accompanying drawing 6 is formed for the utility model;
Accompanying drawing 7 is the electrical connection graph of 4 × 20 soft bag lithium ionic cell layer unit formation 72V40Ah battery modules prepared by the utility model embodiment 2.
1-soft bag lithium ionic cell; 2-heating panel; 3-framework, 4-upper cover, 5-base plate; 6-end conducting strip; Conducting strip in the middle of 7-.
Embodiment
Below in conjunction with accompanying drawing, execution mode of the present utility model is further described.
Embodiment 1
See accompanying drawing 1,2,3,4,5,6, a kind of soft bag lithium ionic cell module of the utility model, described module comprises soft bag lithium ionic cell layer unit, base plate 5, upper cover 4, fastening bolt; Described soft bag lithium ionic cell layer unit comprises soft bag lithium ionic cell 1, framework 3, heating panel 2, described framework 3 is rectangular configuration, be made up of four rectangular cavities 17, described heating panel 2 is provided with shape and the quantity pit identical with rectangular cavities 17 quantity of described framework 3, described heating panel 2 is installed in described framework 3, and the pit on heating panel 2 is absorbed in the rectangular cavities 17 of framework 3; Described soft bag lithium ionic cell 1 is arranged in the pit of described heating panel 2, overall formation soft bag lithium ionic cell layer unit;
Four soft bag lithium ionic cell layer unit through-thickness are stacked to be fixedly mounted between base plate 5 and upper cover 4 by fastening bolt, forms soft bag lithium ionic cell module;
A limit of described framework 3 is provided with the first groove 8, and described soft bag lithium ionic cell 1 is installed in the pit of described heating panel 2, and battery pole ear 9 extends to outside soft bag lithium ionic cell module through described first groove 8;
The limit being provided with the first groove 8 in described framework 3 is defined as the first limit 10, and the limit perpendicular to the first limit 10 is defined as Second Edge 11; Described first limit 10 is provided with the second groove 12, the described axis of the second groove 12 and the axis being parallel of Second Edge 11 with the first limit 10 upper surface of Second Edge 11 intersection;
Described first limit 10 is provided with axis being parallel in the boss 13 of described framework 3 plane, described boss 13 is arranged on the center line of each rectangular cavities 17; This boss 13 1 aspect forms the hard shoulder between soft bag lithium ionic cell 1 both positive and negative polarity, prevents the generation of battery short circuit accident; Also can hole on boss 13, for framework 3 provides fastening condition on the other hand;
The pit both side ends that described heating panel 2 is arranged is each extendedly has a draw-in groove 14, the cross section of described draw-in groove 14 is rectangular, bottom surface opening, the opening direction of described draw-in groove 14 is contrary with the opening direction of described pit, when described heating panel 2 is installed in described framework 3, the Second Edge 11 of framework 3 is installed in described draw-in groove 14, and the space formed between the draw-in groove 14 that described heating panel 2 is arranged and the Second Edge 11 of described framework 3 and the second groove 12 be arranged on described framework 3 first limit 10 form the heat dissipation channel of described soft bag lithium ionic cell module jointly;
Connected by conducting strip between described soft bag lithium ionic cell 1, realize in parallel or series connection;
Described conducting strip is divided into end conducting strip 6 and middle conducting strip 7; Described middle conducting strip 7 is rectangle, which is provided with two group leader's bar shaped grooves 15 along the distribution of rectangle axisymmetrical, comprises 4 grooves in every group leader's bar shaped groove, and this groove 15 is used as the via hole of lug 9;
Described end conducting strip 6 is rectangle, is evenly equipped with strip groove 16 along rectangular length direction; The quantity of the strip groove 16 that described end conducting strip 6 is arranged is identical with group leader's bar shaped groove 15 quantity that described middle conducting strip 7 is arranged;
The width 0.5-1mm larger than described soft bag lithium ionic cell lug 9 thickness of each the strip groove on end conducting strip 6 or middle conducting strip 7, the spacing between neighboring strips shape groove is thickness and the fin 2 thickness sum of described soft bag lithium ionic cell 1;
End conducting strip 6 and middle conducting strip 7,4 × 4 module is utilized to carry out four according to the connected mode shown in accompanying drawing 6 and four series windings connect and obtain 14.4V, 40Ah battery layers unit group 20 (4 × 4 module).
In the present embodiment, described framework 3 is made up of engineering plastics; Described heating panel is by aluminium sheet punch forming;
In the present embodiment, the limit parallel with framework 3 first limit 10 is provided with 2 boss, base plate, on cover correspondence position and be provided with 2 boss, boss can be holed, fastening bolt through the boring on boss by soft bag lithium ionic cell module pressing.
Embodiment 2
See accompanying drawing 7,4 × 20 module composition 72V40Ah soft bag lithium ionic cell modules prepared by the utility model;
The present embodiment 2 is with the difference of embodiment 1: the soft bag lithium ionic cell module of the present embodiment is made up of 20 layers of soft bag lithium ionic cell layer unit, 4 pieces of soft bag lithium ionic cells are had in every one deck soft bag lithium ionic cell layer unit, every four layers of soft bag lithium ionic cell layer unit are by end conducting strip 6, middle conducting strip 7, realization is connected in series, form battery layers unit group, have 5 layer unit groups stacked, series connection is realized by end conducting strip 6a, final formation 72V40Ah soft bag lithium ionic cell module between layer unit group;
Described middle conducting strip 7 is rectangle, which is provided with two groups of grooves along the distribution of rectangle axisymmetrical, the strip groove 15 having 4 to be parallel to each other in each group groove;
Described end conducting strip 6 is rectangle, is evenly equipped with strip groove 16 along rectangular length direction;
Described end conducting strip 6 is divided into end conducting strip 6a and end conducting strip 6, and end conducting strip 6 is for the connection of the total positive pole of soft bag lithium ionic cell or total negative pole, and end conducting strip 6a is for connecting adjacent soft bag lithium ionic cell layer unit group;
In the present embodiment, the quantity of the strip groove 16 that described end conducting strip 6a is arranged is identical with strip groove 15 quantity that described middle conducting strip 7 is arranged; The quantity of the strip groove 16 that described end conducting strip 6 is arranged is the half of strip groove 15 quantity that described middle conducting strip 7 is arranged.
The width 0.5-1mm larger than the lug thickness of described soft bag lithium ionic cell 1 of each the strip groove on end conducting strip 6 or middle conducting strip 7, the spacing between neighboring strips shape groove is thickness and the fin 2 thickness sum of described soft bag lithium ionic cell 1.
Operation principle of the present utility model sketch under:
The utility model soft bag lithium ionic cell layer unit can laterally be expanded, and also can realize the expansion of thickness direction by Multi-stacking compaction.
Horizontal expansion and the expansion of the number of plies can adjust according to the needs of actual conditions.Major consideration comprises the spatial limitation of installation site; The Mechanical Structure Strength of module; Battery capacity is to the requirement etc. of cell parallel quantity.
Middle conducting strip 7 is stamped to form by copper sheet, this conducting strip each side has the strip groove of two 1 millimeter height, and for passing lug, the negative electrode lug of battery penetrates from groove, during welding, lug up or down can turn down and contact to conducting strip, and then welds; This middle conducting strip can be expanded as required; Conducting strip of the present utility model connects based on lateral connection, when conducting strip is energized, lug Width is consistent with direction of current conduction, and groove conducting strip dug out through lug causes the loss of the maximum conduction cross-sectional area of conducting strip to be only long-pending (the about 0.5mm of cut height (1mm) and conducting strip thickness (0.5mm)
2), according to longitudinal connection scheme, be then that lug thickness direction is consistent with direction of current conduction, then the loss of maximum conduction cross-sectional area will be lug width (12mm) and long-pending (the about 6mm of conducting strip thickness
2), the loss of conductive cross-sectional area increases greatly.The connection that in the electrical connection scheme that the utility model adopts, the connection of conducting strip is mainly horizontal, the maximum conduction cross-sectional area loss reduction of conducting strip, when choosing conducting strip, sectional area reduces, and reduces the consumption of copper material.
End conducting strip 6 is stamped to form by copper sheet, and this conducting strip is used for the conduction of battery module in end and connects; Four of leftmost side parallel connection anodes can be realized to be together in parallel, or four of rightmost side parallel connection battery cathode are together in parallel.This end conducting strip can be expanded as required, such as, N number of anode of leftmost side parallel connection will be realized to be together in parallel, then conducting strip upper-lower height should be adjusted, and is each side opening the strip groove of N number of 1 millimeter height, for passing lug.
For 3.6V, 10Ah battery cell, then need to carry out four to 16 batteries and four series windings connect to obtain 14.4V, 40Ah battery module.During battery arrangement, positive and negative order is identical, and during connection, four same polarity (being just assumed to be) lugs parallel connection of the leftmost side is welded on same end conducting strip 6.The negative pole of leftmost side battery and positive pole are separated by the boss 13 of framework, play the effect avoiding short circuit.The positive pole of the negative pole of leftmost side battery and the second Battery pack is from left to right linked together by middle conducting strip 7 and realizes connecting of two Battery packs.Connect successively, 4 × 4 modules can carry out four according to the connected mode shown in accompanying drawing 6 easily and four series windings connect and obtain 14.4V, 40Ah battery module.
End conducting strip 6a is stamped to form by copper sheet, for the series connection between soft bag lithium ionic cell layer unit group, and should be contrary by the lug order of polarity of two its batteries of battery layers unit group of connecting.Every four layers of battery constituting layer unit group, 20 layers of battery form 5 layer unit groups, can obtain 72V40Ah soft bag lithium ionic cell module after stacked according to utilizing conducting strip to couple together shown in Fig. 7.In module, heating panel, top board, base plate form the constraint of vertical direction to battery, and the module assembled applies certain pressure to battery.Battery bears certain pressure and makes battery in use can not vertical, horizontal displacement on occurred level face, avoids the damage that battery and frame collide and cause.
Top board, base plate, battery can form one deck.
Claims (10)
1. a soft bag lithium ionic cell module, described module comprises soft bag lithium ionic cell layer unit, base plate, upper cover, fastening bolt; Described soft bag lithium ionic cell layer unit comprises soft bag lithium ionic cell, framework, heating panel, described framework is rectangular configuration, be made up of at least one rectangular cavities, described heating panel is provided with shape and the quantity pit identical with the rectangular cavities quantity of described framework, described heating panel is installed in described framework, and the pit on heating panel is absorbed in the rectangular cavities of framework; Described soft bag lithium ionic cell is arranged in the pit of described heating panel, overall formation soft bag lithium ionic cell layer unit;
At least two soft bag lithium ionic cell layer unit through-thickness are stacked to be fixedly mounted between base plate and upper cover by fastening bolt, forms soft bag lithium ionic cell module.
2. a kind of soft bag lithium ionic cell module according to claim 1, it is characterized in that: a limit of described framework is provided with the first groove, described soft bag lithium ionic cell is installed in the pit of described heating panel, and battery pole ear extends to outside soft bag lithium ionic cell module through described first groove.
3. a kind of soft bag lithium ionic cell module according to claim 2, is characterized in that: the limit being provided with the first groove in described framework is defined as the first limit, and the limit perpendicular to the first limit is defined as Second Edge; First limit upper surface of described first limit and Second Edge intersection is provided with the second groove, the described axis of the second groove and the axis being parallel of Second Edge; The degree of depth of described second groove is more than or equal to 1/2 of the first limit height.
4. a kind of soft bag lithium ionic cell module according to claim 3, is characterized in that: on described framework first limit, be provided with axis being parallel in the boss of described frame plane, described boss is arranged on the center line of each rectangular cavities; This boss forms the hard shoulder between battery plus-negative plate on the one hand, prevents the generation of battery short circuit accident; Also can hole on boss, for framework provides fastening condition on the other hand.
5. a kind of soft bag lithium ionic cell module according to claim 1, is characterized in that: described framework is cast by insulating material and made, and described insulating material is selected from the one in engineering plastics, fiberglass, PVC composite material, nylon.
6. a kind of soft bag lithium ionic cell module according to claim 1, is characterized in that: described heating panel is by metal material punch forming, and described metal material is selected from aluminium, copper, a kind of metal of zinc or its alloy.
7. a kind of soft bag lithium ionic cell module according to claim 1, be is characterized in that: connected by conducting strip between described soft bag lithium ionic cell, realizes in parallel or series connection; Described conducting strip is divided into end conducting strip and middle conducting strip.
8. a kind of soft bag lithium ionic cell module according to claim 7, is characterized in that: described middle conducting strip is rectangle, which is provided with two group leader's bar shaped grooves along the distribution of rectangle axisymmetrical, and this strip groove is used as lug via hole;
Described end conducting strip is rectangle, is evenly equipped with strip groove along rectangular length direction; The quantity of the strip groove that described end conducting strip is arranged is identical with the strip groove quantity that described middle conducting strip is arranged; Or
The quantity of the strip groove that described end conducting strip is arranged is 1/2 of the strip groove quantity that described middle conducting strip is arranged.
9. a kind of soft bag lithium ionic cell module according to claim 8, it is characterized in that: the width 0.5-1mm larger than described soft bag lithium ionic cell lug thickness of each the strip groove on end conducting strip or middle conducting strip, the spacing between neighboring strips shape groove is thickness and the fin thickness sum of described soft bag lithium ionic cell.
10. a kind of soft bag lithium ionic cell module according to claim 1-9 any one, it is characterized in that: the pit both side ends that heating panel is arranged is each extendedly has a draw-in groove, the cross section of described draw-in groove is rectangular, bottom surface opening, the opening direction of described draw-in groove is contrary with the opening direction of described pit, when described heating panel is installed in described framework, the Second Edge of framework is installed in described draw-in groove, the space formed between the Second Edge of the draw-in groove that described heating panel is arranged and described framework and the second groove be arranged on described framework first limit form the heat dissipation channel of described soft bag lithium ionic cell module jointly.
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| CN201420444250.XU CN204118197U (en) | 2014-08-07 | 2014-08-07 | A kind of soft bag lithium ionic cell module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183863A (en) * | 2014-08-07 | 2014-12-03 | 长丰集团有限责任公司 | Soft-packing lithium ion battery module |
| CN107785514A (en) * | 2017-10-09 | 2018-03-09 | 超威电源有限公司 | A kind of zinc-nickel cell assembly housing with defencive function |
-
2014
- 2014-08-07 CN CN201420444250.XU patent/CN204118197U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183863A (en) * | 2014-08-07 | 2014-12-03 | 长丰集团有限责任公司 | Soft-packing lithium ion battery module |
| CN104183863B (en) * | 2014-08-07 | 2017-01-11 | 长丰集团有限责任公司 | Soft-packing lithium ion battery module |
| CN107785514A (en) * | 2017-10-09 | 2018-03-09 | 超威电源有限公司 | A kind of zinc-nickel cell assembly housing with defencive function |
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