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CN204144386U - A kind of electrokinetic cell - Google Patents

A kind of electrokinetic cell Download PDF

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Publication number
CN204144386U
CN204144386U CN201420427972.4U CN201420427972U CN204144386U CN 204144386 U CN204144386 U CN 204144386U CN 201420427972 U CN201420427972 U CN 201420427972U CN 204144386 U CN204144386 U CN 204144386U
Authority
CN
China
Prior art keywords
spacer ring
battery
lug
battery spacer
electrokinetic cell
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 - Lifetime
Application number
CN201420427972.4U
Other languages
Chinese (zh)
Inventor
杨珂利
蒋露霞
胡世超
朱建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai BYD Co Ltd
Original Assignee
Shanghai BYD Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai BYD Co Ltd filed Critical Shanghai BYD Co Ltd
Priority to CN201420427972.4U priority Critical patent/CN204144386U/en
Application granted granted Critical
Publication of CN204144386U publication Critical patent/CN204144386U/en
Priority to PCT/CN2015/078109 priority patent/WO2016015502A1/en
Priority to JP2017505119A priority patent/JP6343713B2/en
Priority to KR1020177000939A priority patent/KR101909616B1/en
Priority to EP15826462.2A priority patent/EP3175498B1/en
Priority to US15/403,853 priority patent/US10243190B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)

Abstract

Be difficult to carry out battery core the problem of stable position for overcoming battery spacer ring in prior art, the utility model provides a kind of electrokinetic cell, the multiple battery core that is arranged side by side comprise housing, being positioned at enclosure interior and battery spacer ring; Described battery core end has lug, and described battery spacer ring is between lug and housing; The inner surface of described battery spacer ring is protruding with multiple vertical beam, forms positioning area between multiple described vertical beam, and the lug of described battery core is positioned at described positioning area, and by two adjacent vertical beam clamping positions.In the electrokinetic cell that the utility model provides, battery spacer ring can realize stable effective location to battery core.

Description

A kind of electrokinetic cell
Technical field
The utility model relates to power battery technology field, more particularly, relates to a kind of electrokinetic cell.
Background technology
Day by day exhausted in non-renewable resources such as oil, under the background that environmental pollution is serious all the more, people to new-energy automobile express very large expectation.Electrokinetic cell is then the heart of new-energy automobile, and the phenomenons such as because automobile has higher mobility, it in use can often vibrate, shock, this just proposes high requirement to the safety and reliability of electrokinetic cell.
In the prior art, electrokinetic cell generally includes the battery cores such as battery core, electrolyte, battery cover board and the battery case be formed by stacking by layer flexible body and battery cover board and/or battery container and insulate.
The structure of existing employing preferably core strueture is generally pole piece and contains dressing district and non-dressing district at Width, the dressing district of positive and negative plate is clamped relatively membrane winding and form battery core, non-auxiliary material district also can reel simultaneously, winding lug is formed in the end of battery core, big current can be drawn, after by winding lug mid portion pressing, be convenient to weld extracted current with electrode terminal.
The capacity of electrokinetic cell is high, and volume is large, and the battery core of its inside also has bulky feature.Simultaneously because battery core is formed by stacking by layer flexible body, it easily sustains damage at circular flow; For the battery comprising multiple battery core, the integrated positioning between battery core also has difficulties; In battery assembling process, when being particularly sheathed in battery core by battery case, the friction between battery core and battery shell wall also can bring very large injury to battery core; In battery use procedure, the vibration of automobile, jolting to make battery core produce play in battery case, also can produce very macrolesion to battery core, cause collector damaged, barrier film is crumpled, and pole piece falls material, the impact etc. of butt welding point, thus bring very large potential safety hazard to the use of battery.
Summary of the invention
Technical problem to be solved in the utility model is the problem being difficult to carry out battery core stable position for battery spacer ring of the prior art, provides a kind of electrokinetic cell.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
The multiple battery core that is arranged side by side a kind of electrokinetic cell is provided, comprises housing, being positioned at enclosure interior and battery spacer ring; Described battery core end has lug, and described battery spacer ring is between lug and housing; The inner surface of described battery spacer ring is protruding with multiple vertical beam, forms positioning area between multiple described vertical beam, and the lug of described battery core is positioned at described positioning area, and by two adjacent vertical beam clamping positions.
Preferably, described lug is winding lug, and the positioning area on described battery spacer ring between adjacent two vertical beams and the matching form of described winding lug close.
Preferably, described electrokinetic cell comprises the cover plate assembly and insulating part that battery core are packaged in enclosure interior, and described insulating part is between cover plate assembly and battery core.
Preferably, the top of described battery spacer ring is connected with described insulating part buckle.
Preferably, the top of described battery spacer ring is provided with two latches, and described two latches are oppositely arranged along the Width of described battery spacer ring; The outer surface place plane orthogonal of described two latch place planes and described battery spacer ring; Described insulating part end upper surface is recessed to form two relative draw-in grooves downwards; Described latch coordinates clamping with draw-in groove.
Preferably, described draw-in groove is arc surface along described battery spacerband width direction sidewall inwardly, and described arc surface is along described battery spacerband width protrusion in outward direction; Described latch shape and described draw-in groove matching form close.
Preferably, described cover plate assembly comprises the first electrode terminal and the second electrode terminal; Described electrokinetic cell comprises the first connector and the second connector, and the first electrode terminal and lug are electrically connected through insulating part by described first connector; Described second connector will be electrically connected with the second electrode terminal and lug through insulating part.
Preferably, the outer surface of described battery spacer ring is provided with intake chute.
Preferably, described intake chute extends along the length direction of described battery spacer ring.
Preferably, described vertical beam is formed by the outer surface indent of battery spacer ring.
The electrokinetic cell that the utility model provides, effectively protects the lug of battery core by multiple vertical beams of its inner surface and locates on the one hand; On the other hand, battery spacer ring can be opened isolated for the housing of lug and battery, avoids lug directly to contact with battery container and the short circuit problem that occurs, greatly can improve the fail safe of battery.
The groove that the interior recess of above-mentioned battery spacer ring outer surface is formed simultaneously is beneficial to the weight alleviating battery spacer ring.In actual production process, when above-mentioned battery spacer ring to be assemblied in battery and after fluid injection, electrolyte can enter between battery spacer ring and battery container, to produce in the groove that especially recess is formed in above-mentioned battery spacer ring outer surface and assemble.In above-mentioned groove, gathering is produced for avoiding electrolyte, the outer surface of the battery spacer ring that the utility model provides also has the intake chute extending to battery spacer ring edge from described groove, the electrolyte be in above-mentioned groove can flow out along this intake chute, improves the utilance of electrolyte.
Accompanying drawing explanation
Fig. 1 is the front perspective view of the battery spacer ring that the utility model preferred implementation provides.
Fig. 2 is the rear perspective figure of the battery spacer ring that the utility model preferred implementation provides.
Fig. 3 is the sectional block diagram of the battery spacer ring that the utility model preferred implementation provides.
Fig. 4 is the battery spacer ring that provides of the utility model preferred implementation and battery core mated condition explosive view.
Fig. 5 is the partial perspective view of insulating part in the battery core protection assembly that provides of the utility model preferred implementation.
Fig. 6 is the confined state schematic diagram of the battery core protection assembly that the utility model preferred implementation provides.
Reference numeral in Figure of description is as follows:
1, battery spacer ring; 10, groove; 11, vertical beam; 12, intake chute; 13, reinforced sheet; 14, latch;
2, battery core; 21, lug; 22, transition region;
3, insulating part; 31, draw-in groove.
Embodiment
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " length ", " width ", " on ", D score, " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be for based on the orientation shown in accompanying drawing 1 or 2 or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The utility model provides a kind of electrokinetic cell, the multiple battery core that is arranged side by side comprise housing, being positioned at enclosure interior and battery spacer ring; Described battery core end has lug, and described battery spacer ring is between lug and housing; Form positioning area between multiple vertical beams of described battery spacer ring, the lug of described battery core is positioned at described positioning area, and by two adjacent vertical beam clamping positions.
The outer surface indent of the battery spacer ring that the utility model provides forms multiple vertical beam protruded from battery spacer ring inner surface, and described vertical beam extends along battery spacer ring length direction; Described interior recess forms groove; The outer surface of described battery spacer ring also has the intake chute extending to battery spacer ring edge from described groove.
According to the utility model, above-mentioned battery spacer ring is used in rectangular cell, and the winding lug that the vertical beam on its inner surface is used for the winding battery core of square shaped battery positions.
As is known in the art, winding battery core by by anode pole piece and cathode pole piece in the longitudinal direction with on one side for benchmark alignment placement, to stagger in the direction of the width placement, expose the lug district not containing electrode material on anode pole piece and cathode pole piece, and cover completely on anode pole piece containing carrying out winding obtained above-mentioned battery core when electrode material portions containing electrode material portions containing on barrier film, cathode pole piece in the middle of anode pole piece and cathode pole piece.The negative plate mid portion pressing of the non-auxiliary material positive plate of battery core one end and the non-auxiliary material of the battery core other end is formed in by namely being reeled respectively in the lug district not containing electrode material, form positive pole ear and negative lug, now, above-mentioned positive pole ear and negative lug are winding lug, lose for preventing lug edge, reduce pressing to the impact of the arc edge of battery core, generally the preferred arc structure still retaining battery core both ends is as transition region simultaneously.
Battery spacer ring forms positioning area between multiple vertical beam, and during use, winding lug is arranged in this positioning area.So, for the length of above-mentioned vertical beam, only need meet the positioning area that formed between adjacent two vertical beams can to winding lug realize positioning instant can, according to the lug of different size, those skilled in the art can adjust the length of above-mentioned vertical beam and spacing.
The battery spacer ring that the utility model provides is particularly useful for the rectangular cell that one end is drawn.For avoiding the lug of battery core to contact conducting with battery container, lug and battery container need completely cut off by this battery spacer ring.In the utility model, above-mentioned for this battery spacer ring, the outer surface corresponding to vertical beam is groove, is appreciated that this groove is blind slot.
In the utility model, the inner side and outer side of battery spacer ring is isolated.When carrying out fluid injection after the battery with this battery spacer ring has assembled, the electrolyte be positioned at outside battery spacer ring is difficult to inside free flow to battery spacer ring.Especially at the groove of battery spacer ring, very easily hydrops is formed.According to the utility model, the outer surface of battery spacer ring also has the intake chute extending to battery spacer ring edge from described groove.Now, the electrolyte be in groove can flow out along above-mentioned intake chute, avoids the accumulation of electrolyte.
According to the utility model, under preferable case, above-mentioned intake chute extends along the length direction of described battery spacer ring.
For above-mentioned groove, for improving its intensity, under preferable case, in described groove, be provided with reinforced sheet.The number of reinforced sheet can be multiple, and those skilled in the art can adjust the number of reinforced sheet and distributing position according to actual conditions, under the prerequisite realizing better intensity, suitably reduces the quantity of reinforced sheet, thus alleviates the weight of battery spacer ring.
Above-mentioned reinforced sheet can be arranged along all directions, and under preferable case, described reinforced sheet is arranged along the Width of described battery spacer ring.That is, described reinforced sheet place plane is vertical with the bearing of trend of groove or vertical beam.
According to the utility model, arrange reinforced sheet in described groove after, groove is divided into multiple less space by reinforced sheet, thus considerably increases the probability that electrolyte builds up in above-mentioned multiple little space.In the utility model, for above-mentioned reinforced sheet, under preferable case, the upper surface of described reinforced sheet extends from the inside to the outside obliquely.Now, fall within the electrolyte of reinforced sheet upper surface under gravity, can the notch of groove be flowed to along reinforced sheet upper surface and flow down.Reduce the probability that electrolyte is built up to a certain extent.
In the utility model, more preferably in situation, the lower surface of described reinforced sheet extends from the inside to the outside obliquely.Now, reinforced sheet entirety is in trapezoidal or triangle.On battery spacer ring direction from the inside to the outside, the thickness-tapered of reinforced sheet.The electrolyte being positioned at reinforced sheet upper surface under gravity, outwards moves to reinforced sheet edge and from reinforced sheet edge flowing to reinforced sheet lower surface along downward-sloping reinforced sheet upper surface.Then inwardly flow along the reinforced sheet lower surface tilted.The upper surface of next reinforced sheet is flowed to again along groove inner wall.Successively constantly toward current downflow, until flow to bottom portion of groove, then the intake chute through being communicated to bottom portion of groove flows out downwards, thus avoids electrolyte to build up in groove.
The battery spacer ring that the utility model provides, for positioning the lug of battery core, is avoided lug generation play and occurs damage, affecting battery performance.When this battery spacer ring uses, usual and insulating part is assemblied in battery container jointly.To produce battery core and lug for avoiding the relative motion of battery spacer ring and insulating part and damage, under preferable case, the top of described battery spacer ring is provided with the Access Division for being connected with insulating part buckle.
Above-mentioned Access Division is for realizing interfixing of battery spacer ring and insulating part, and its concrete structure can be conventional various, such as, can arrange card base at battery spacer ring top, insulating trip arranges the draw-in groove matched with this card base; Or, card base can be set on insulating trip, the draw-in groove matched with this card base is set at battery spacer ring top.
In the utility model, under preferable case, described Access Division comprises two latches, and described two latches are oppositely arranged along the Width of described battery spacer ring; The outer surface place plane orthogonal of described two latch place planes and described battery spacer ring.
By above-mentioned latch, by battery spacer ring and stable the fixing of insulating part, the relative motion of battery spacer ring and insulating part can be avoided to produce battery core and lug and to damage, be beneficial to the stability improved further battery core location.
The top of described battery spacer ring is connected with described insulating part buckle.In the utility model, battery spacer ring and insulating part together form battery core protection assembly.
As previously mentioned, the top realizing battery spacer ring by various ways and structure is connected with described insulating part buckle.In the utility model, the top of described battery spacer ring is provided with two latches, and described two latches are oppositely arranged along the Width of described battery spacer ring; The outer surface place plane orthogonal of described two latch place planes and described battery spacer ring; Described insulating part end upper surface is recessed to form two relative draw-in grooves downwards; Described latch coordinates clamping with draw-in groove.
Now, the battery spacer ring of mutual clamping and insulating part are limited at horizontal plane four dimensions and the downward dimension of battery spacer ring, ensure that the relative stability between battery spacer ring and insulating part largely.
According to the utility model, under preferable case, described draw-in groove is arc surface along described battery spacerband width direction sidewall inwardly, and described arc surface is along described battery spacerband width protrusion in outward direction; Described latch shape and described draw-in groove matching form close.Under such configuration, when battery spacer ring and insulating part assembling, the arc surface of above-mentioned draw-in groove can carry out just location to latch, while guarantee Assembly stability, can improve the efficiency of assembling.
According to the utility model, under preferable case, the positioning area on described battery spacer ring between adjacent two vertical beams and the matching form of described winding lug close.Better to locate lug.
Based on above-mentioned battery core protection assembly, described electrokinetic cell comprises the cover plate assembly and insulating part that battery core are packaged in enclosure interior, and described insulating part is between cover plate assembly and battery core.
For above-mentioned cover plate assembly, can adopt existing various structure, such as, described cover plate assembly comprises the first electrode terminal and the second electrode terminal; Described electrokinetic cell comprises the first connector and the second connector, and the first electrode terminal and lug are electrically connected through insulating part by described first connector; Described second connector will be electrically connected with the second electrode terminal and lug through insulating part.
The battery spacer ring 1 provided the utility model preferred implementation below in conjunction with Fig. 1-Fig. 6 and battery core protection assembly are described.
See Fig. 1-Fig. 3, this battery spacer ring 1 is the framework of top and madial wall opening substantially.The outer surface portion subregion of battery spacer ring 1 caves inward, and forms three grooves 10 on its outer surface, forms three vertical beams 11 on the surface within it.Vertical beam 11 extends along the length direction of battery spacer ring 1.The compressed portion length of the length of three vertical beams 11 and the winding lug 21 of battery core 2 matches, and the compressed portion thickness of the winding lug 21 of the spacing between vertical beam 11 and battery core 2 adapts.Positioning area is formed, for positioning the lug 21 of battery core 2 between three vertical beams 11.
Battery spacer ring 1 outer surface is provided with intake chute 12.The bottom of the groove 10 of intake chute 12 in the middle part of battery spacer ring 1 outer surface extends downward battery spacer ring 1 bottom margin.
Multiple reinforced sheet 13 is provided with in above-mentioned three grooves 10.Reinforced sheet 13 is arranged along the Width of battery spacer ring 1.
Specifically see Fig. 3, reinforced sheet 13 entirety is in trapezoidal.Along on battery spacer ring 1 direction from inside to outside, the thickness-tapered of reinforced sheet 13, and the upper surface of reinforced sheet 13 extends from the inside to the outside obliquely, and the lower surface of reinforced sheet 13 extends from the inside to the outside obliquely.
Battery spacer ring 1 top is provided with two latches 14, and described two latches 14 are oppositely arranged along the Width of described battery spacer ring 1; The outer surface place plane orthogonal of described two latch 14 place planes and described battery spacer ring 1.
See Fig. 4, multiple battery core 2 is set up in parallel.Battery core 2 is winding battery core, forms lug 21 in its end, and above-mentioned lug 21 is winding lug.Lug 21 two ends are the transition region 22 in arc-shaped.
When this battery spacer ring 1 and multiple battery core 2 are assembled, in the positioning area between the vertical beam 11 that multiple lugs 21 of multiple battery core 2 be set up in parallel insert battery spacer ring 1, by vertical beam 11 clamping position.
See Fig. 5, in battery core that the utility model preferred implementation provides protection assembly, insulating part 3 is for being recessed to form two relative draw-in grooves 31 downwards with the end upper surface that battery spacer ring 1 connects.
Draw-in groove 31 is arc surface along described battery spacer ring 1 Width sidewall inwardly, and described arc surface protrudes outwardly along described battery spacer ring 1 Width.
See Fig. 6, latch 14 shape and described draw-in groove 31 matching form at battery spacer ring 1 top close.Latch 14 snaps in above-mentioned draw-in groove 31, realizes the relative fixing of insulating part 3 and battery spacer ring 1.
Above-mentioned battery spacer ring 1 one aspect can effectively position the lug 21 of battery core 2, prevents battery core 2 play and occurs damage; Effectively can avoid the accumulation of electrolyte in battery spacer ring 1 on the other hand; Meanwhile, this battery spacer ring 1 firmly can be connected with insulating part 3 is stable, avoids battery spacer ring 1 and insulating part 3 occur relative motion and damage battery core 2.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.

Claims (10)

1. an electrokinetic cell, is characterized in that, the multiple battery core (2) that is arranged side by side comprise housing, being positioned at enclosure interior and battery spacer ring;
Described battery core (2) end has lug, and described battery spacer ring (1) is between lug and housing; The inner surface of described battery spacer ring (1) is protruding with multiple vertical beam (11), and form positioning area between multiple described vertical beam (11), the lug of described battery core (2) is positioned at described positioning area, and by two adjacent vertical beam (11) clamping positions.
2. electrokinetic cell according to claim 1, is characterized in that, described lug is winding lug (21), and the positioning area between upper adjacent two vertical beams (11) of described battery spacer ring (1) and the matching form of described winding lug (21) close.
3. electrokinetic cell according to claim 1, is characterized in that, described electrokinetic cell comprises the cover plate assembly and insulating part (3) that battery core (2) are packaged in enclosure interior, and described insulating part (3) is positioned between cover plate assembly and battery core (2).
4. electrokinetic cell according to claim 3, is characterized in that, the top of described battery spacer ring (1) is connected with described insulating part (3) buckle.
5. electrokinetic cell according to claim 3, is characterized in that, the top of described battery spacer ring (1) is provided with two latches (14), and described two latches (14) are oppositely arranged along the Width of described battery spacer ring (1); The outer surface place plane orthogonal of described two latch (14) place planes and described battery spacer ring (1);
Described insulating part (3) end upper surface is recessed to form two relative draw-in grooves (31) downwards;
Described latch (14) coordinates clamping with draw-in groove (31).
6. electrokinetic cell according to claim 5, is characterized in that, described draw-in groove (31) is arc surface along described battery spacer ring (1) Width sidewall inwardly, and described arc surface protrudes outwardly along described battery spacer ring (1) Width; Described latch (14) shape and described draw-in groove (31) matching form close.
7. electrokinetic cell according to claim 6, is characterized in that, described cover plate assembly comprises the first electrode terminal and the second electrode terminal; Described electrokinetic cell comprises the first connector and the second connector, and the first electrode terminal and lug are electrically connected through insulating part (3) by described first connector; Described second connector will be electrically connected with the second electrode terminal and lug through insulating part (3).
8. electrokinetic cell according to claim 1, is characterized in that, the outer surface of described battery spacer ring (1) is provided with intake chute (12).
9. electrokinetic cell according to claim 8, is characterized in that, described intake chute (12) extends along the length direction of described battery spacer ring (1).
10. electrokinetic cell according to claim 1, is characterized in that, described vertical beam is formed by the outer surface indent of battery spacer ring (1).
CN201420427972.4U 2014-07-31 2014-07-31 A kind of electrokinetic cell Expired - Lifetime CN204144386U (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201420427972.4U CN204144386U (en) 2014-07-31 2014-07-31 A kind of electrokinetic cell
PCT/CN2015/078109 WO2016015502A1 (en) 2014-07-31 2015-04-30 Battery spacer, electric core protection assembly and power battery
JP2017505119A JP6343713B2 (en) 2014-07-31 2015-04-30 Battery spacer, electrical core protection assembly, and power battery
KR1020177000939A KR101909616B1 (en) 2014-07-31 2015-04-30 Battery spacer, electric core protection assembly and power battery
EP15826462.2A EP3175498B1 (en) 2014-07-31 2015-04-30 Battery spacer, electric core protection assembly and power battery
US15/403,853 US10243190B2 (en) 2014-07-31 2017-01-11 Battery spacer, electric core protection assembly and power battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420427972.4U CN204144386U (en) 2014-07-31 2014-07-31 A kind of electrokinetic cell

Publications (1)

Publication Number Publication Date
CN204144386U true CN204144386U (en) 2015-02-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420427972.4U Expired - Lifetime CN204144386U (en) 2014-07-31 2014-07-31 A kind of electrokinetic cell

Country Status (1)

Country Link
CN (1) CN204144386U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016015502A1 (en) * 2014-07-31 2016-02-04 Byd Company Limited Battery spacer, electric core protection assembly and power battery
CN107317047A (en) * 2017-05-31 2017-11-03 北京北方华创新能源锂电装备技术有限公司 The lithium battery and its battery core assemble method of a kind of pair of core strueture
CN108963120A (en) * 2018-08-13 2018-12-07 珠海格力电器股份有限公司 Battery core protection structure and battery
CN109037509A (en) * 2016-03-28 2018-12-18 宁德时代新能源科技股份有限公司 Secondary battery top cover assembly, secondary battery containing same and assembling method
CN110957451A (en) * 2019-12-27 2020-04-03 湖南电将军新能源有限公司 Quick-charging battery pack ultrasonic welding switching fixing frame
WO2021233043A1 (en) * 2020-05-18 2021-11-25 比亚迪股份有限公司 Battery cell assembly, battery, battery pack, and automobile
CN113948821A (en) * 2020-07-17 2022-01-18 比亚迪股份有限公司 Battery space ring, battery and battery pack
US11652246B2 (en) 2015-12-29 2023-05-16 Sk On Co., Ltd. Battery module and method of manufacturing the same

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10243190B2 (en) 2014-07-31 2019-03-26 Byd Company Limited Battery spacer, electric core protection assembly and power battery
WO2016015502A1 (en) * 2014-07-31 2016-02-04 Byd Company Limited Battery spacer, electric core protection assembly and power battery
US11652246B2 (en) 2015-12-29 2023-05-16 Sk On Co., Ltd. Battery module and method of manufacturing the same
CN109037509A (en) * 2016-03-28 2018-12-18 宁德时代新能源科技股份有限公司 Secondary battery top cover assembly, secondary battery containing same and assembling method
CN109037509B (en) * 2016-03-28 2020-10-23 宁德时代新能源科技股份有限公司 Secondary battery top cover assembly, secondary battery containing same and assembling method
CN107317047A (en) * 2017-05-31 2017-11-03 北京北方华创新能源锂电装备技术有限公司 The lithium battery and its battery core assemble method of a kind of pair of core strueture
CN107317047B (en) * 2017-05-31 2019-06-21 北京北方华创新能源锂电装备技术有限公司 A kind of lithium battery and its battery core assemble method of double core struetures
CN108963120A (en) * 2018-08-13 2018-12-07 珠海格力电器股份有限公司 Battery core protection structure and battery
CN110957451A (en) * 2019-12-27 2020-04-03 湖南电将军新能源有限公司 Quick-charging battery pack ultrasonic welding switching fixing frame
CN113764788A (en) * 2020-05-18 2021-12-07 比亚迪股份有限公司 Electricity core subassembly, battery package and car
WO2021233043A1 (en) * 2020-05-18 2021-11-25 比亚迪股份有限公司 Battery cell assembly, battery, battery pack, and automobile
CN113948821A (en) * 2020-07-17 2022-01-18 比亚迪股份有限公司 Battery space ring, battery and battery pack
CN113948821B (en) * 2020-07-17 2023-06-13 比亚迪股份有限公司 Battery spacer ring, battery and battery pack

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