CN206685462U - A kind of cell electrode assemblies, cover plate assembly and battery - Google Patents
A kind of cell electrode assemblies, cover plate assembly and battery Download PDFInfo
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- CN206685462U CN206685462U CN201720182208.9U CN201720182208U CN206685462U CN 206685462 U CN206685462 U CN 206685462U CN 201720182208 U CN201720182208 U CN 201720182208U CN 206685462 U CN206685462 U CN 206685462U
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- battery
- conducting strip
- temperature
- electrode terminal
- flexible member
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of cell electrode assemblies, cover plate assembly and battery, by setting temperature memory flexible member between the electrode terminal and the conducting strip, the temperature memory flexible member elastic extension can act on the electrical connection that conducting strip disconnects the electrode terminal and the block when internal temperature of battery is higher than default temperature control threshold values.When inside battery collides, extruding, overcharge, during the abnormal conditions such as internal short-circuit, internal temperature of battery raises, when temperature reaches 60 to 80 degrees Celsius, temperature memory flexible member deforms upon elongation, conducting strip is promoted to disconnect the connection of the electrode terminal and conducting strip, so as to realize the disconnection of inside battery circuit, the cell electrode assemblies are changed into temperature to the trigger condition of battery protection from pressure, pass through the temperature memory flexible member, lift the pull-off force to the conducting strip, on the premise of meeting to protect battery, it ensure that the thickness of conducting strip, improve the conveyance capacity of battery, optimize the performance of battery.
Description
Technical field
It the utility model is related to cell safety protection field, more particularly to a kind of cell electrode assemblies, cover plate assembly and electricity
Pond.
Background technology
At present, there is no safety protection structure on its cover plate of most batteries, cover plate uses as just support pole.
When battery hit, foreign matter pierces through or during the abuse conditions such as overheat, the electrochemistry that inside battery can send out a series of complex is anti-
Should.When these are not effectively controlled extremely, when thermal runaway occurs for battery, battery just has on fire or even blast danger.
In the prior art by setting electrode terminal, adaptor, rotating sheet, support member, interior lead-out tablet in inside battery, electrode terminal leads to
Electrically connect with adaptor, electrically connected between adaptor and rotating sheet, is welded to connect between rotating sheet and support member, when battery occurs
When abnormal, air pressure inside increase, rotating sheet is overturn, and the indentation of support member is pulled off, formed between electrode terminal and interior lead-out tablet
Open circuit, but air pressure inside size is limited during battery exception, then after rotating sheet upset break it is limited in one's ability, it is desirable to scored tablet it is thin
The thickness ratio at weak place is weaker, thus causes battery conveyance capacity limited, and battery conveyance capacity is poor.
Utility model content
Inside battery air pressure size is limited, causes the upset ability of rotating sheet to have during to solve battery exception in the prior art
Limit, the thickness to the weakness of scored tablet are designed with demand, thus cause the limited technical problem of battery conveyance capacity, this practicality
It is new to provide a kind of cell electrode assemblies, cover plate assembly and battery for improving battery conveyance capacity, improving battery safety.
The utility model provides a kind of cell electrode assemblies, and the cell electrode assemblies include block, conducting strip, electrode
Terminal and at least one temperature memory flexible member, the block are electrically connected by conducting strip with the electrode terminal, the temperature
Degree memory elasticity element is arranged between the electrode terminal and the conducting strip, and the temperature memory flexible member can be in battery
Elastic extension acts on the conducting strip disconnection electrode terminal and the electricity of the block when internal temperature is higher than default temperature control threshold value
Connection.
In some embodiments, a part for the conducting strip and the end face of electrode terminal connect to form tie point, the temperature
The elastic extension when internal temperature of battery is higher than default temperature control threshold value of degree memory elasticity element jacks up the conducting strip so as to disconnect
The tie point is to disconnect the electrical connection of the electrode terminal and the block.
In some embodiments, the conducting strip is provided with indentation, and the temperature memory flexible member is arranged at the conduction
Below the indentation of piece, the temperature memory flexible member can flick indentation when internal temperature of battery is higher than default temperature control threshold value
Weakness is to disconnect the electrical connection of the electrode terminal and the block.
Further, the cell electrode assemblies include support member, and support member is additionally provided between the block and conducting strip,
A part for the conducting strip and the end face of electrode terminal connect to form tie point, the indentation be located at support member and tie point it
Between.
In some embodiments, the electrode terminal surface is provided with groove, and the temperature memory flexible member is located in groove.
In some embodiments, the block lower surface and/or temperature memory flexible member are provided with insulating coating.
In some embodiments, the electrode assemblie includes conducting ring, the outer peripheral edge of the block and the conducting strip it is outer
Periphery is fixedly connected with the conducting ring, and the conducting strip medial recess is connected with electrode terminal.
In some embodiments, middle part and the electrode terminal of the conducting strip weld.
In some embodiments, the disconnected position in lower surface of the conducting strip is provided with insulating barrier.
Further, the temperature memory flexible member is spring-like memory alloy element.
Further, the default temperature control threshold value is 60-80 degrees Celsius.
The utility model provides a kind of cover plate assembly, the cover plate assembly include cover board body, insulation and sealing structure and
Cell electrode assemblies any one of above-described embodiment, the cover board body are provided with through hole, the cell electrode assemblies
Through hole is arranged at, the electrode terminal of the cell electrode assemblies extends into inside battery, the electrode terminal and cover board body
Pass through insulation and sealing structure insulated enclosure.
The utility model provides a kind of battery, and the battery includes battery container, the electricity in the battery container
The cover plate assembly of core and the encapsulation battery container, the cover plate assembly are the cover plate group described in any one in above-described embodiment
Part.
Beneficial effect：According to cell electrode assemblies provided by the utility model, by being led in the electrode terminal with described
Temperature memory flexible member is set between electric piece, and the temperature memory flexible member can be in internal temperature of battery higher than default temperature
Elastic extension acts on the electrical connection that conducting strip disconnects the electrode terminal and the block when controlling threshold value.When inside battery occurs
Collide, extrude, overcharging, the abnormal conditions such as internal short-circuit when, internal temperature of battery rise, when temperature reaches 60 to 80 degrees Celsius,
Temperature memory flexible member deforms upon elongation, promotes conducting strip to disconnect the connection of the electrode terminal and conducting strip, so as to real
The disconnection of existing inside battery circuit, the cell electrode assemblies are changed into temperature from pressure to the trigger condition of battery protection, pass through institute
Temperature memory flexible member is stated, improves the pull-off force to the conducting strip, on the premise of meeting to protect cell safety, is ensured
The thickness of conducting strip, the conveyance capacity of battery is improved, optimize the performance of battery.
Brief description of the drawings
Fig. 1 is the cover plate assembly explosive view that the utility model embodiment provides；
Fig. 2 is the cover plate assembly side schematic view that the utility model embodiment provides；
Fig. 3 is the battery schematic diagram that the utility model embodiment provides；
Fig. 4 is the cover plate assembly explosive view (containing support member) that the utility model embodiment provides；
Fig. 5 is the cover plate assembly side schematic view (containing support member) that the utility model embodiment provides；
Fig. 6 is the battery overall structure diagram (containing support member) that the utility model embodiment provides.
Description of reference numerals：Block 11；Conducting strip 12；Tie point 13；Temperature memory flexible member 14；Support member 15；Lid
Plate body 21；Conducting ring 231；The transition rings 233 of ceramic ring 232；Moulding 234；Battery core 31；Negative terminal 32；Positive terminal 33；
Interior lead-out tablet 34.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " transverse direction ", " length ", " width ", " on ", " under ",
The orientation or position of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " clockwise ", " counterclockwise "
It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of description the utility model and simplifies description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clear and definite regulation and limit, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, limited unless otherwise clear and definite.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clear and definite regulation and limit, fisrt feature is "above" or "below" second feature
Can be that first and second feature directly contacts, or first and second feature passes through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
Below in conjunction with the accompanying drawings and embodiment is described further to the utility model.
As shown in figure 1, the utility model provides a kind of cell electrode assemblies, the cell electrode assemblies include block
11st, conducting strip 12, electrode terminal and at least one temperature memory flexible member 14, the block 11 pass through conducting strip 12 and institute
Electrode terminal electrical connection is stated, the temperature memory flexible member 14 is arranged between the electrode terminal and the conducting strip 12,
The temperature memory flexible member 14 elastic extension when internal temperature of battery is higher than default temperature control threshold value acts on conducting strip 12
Disconnect the electrical connection of the electrode terminal and the block 11.According to cell electrode assemblies provided by the utility model, by
Temperature memory flexible member 14, the energy of temperature memory flexible member 14 are set between the electrode terminal and the conducting strip 12
Enough elastic extensiones when internal temperature of battery is higher than default temperature control threshold value act on conducting strip 12 and disconnect the electrode terminal and institute
The electrical connection of block 11 is stated, the design of the cell electrode assemblies improves the conveyance capacity of battery.When inside battery touches
Hit, extrude, overcharging, the abnormal conditions such as internal short-circuit when, internal temperature of battery rise, when temperature reaches 60 to 80 degrees Celsius, temperature
Memory elasticity element 14 is spent, deforms upon elongation, specifically as shown in figures 2 or 4, temperature memory flexible member 14, which pushes up, leads
Electric piece 12, disconnects the connection of the electrode terminal and conducting strip 12, the cell electrode assemblies to the trigger condition of battery protection by
Pressure is changed into temperature, by the temperature memory flexible member 14, strengthens the pull-off force to the conducting strip 12, is meeting to protect
On the premise of battery, the thickness of conducting strip 12 is ensure that, improves the conveyance capacity of battery, optimizes the performance of battery.
Further, a part for the conducting strip 12 and the end face of electrode terminal connect to form tie point 13, this practicality
A kind of new embodiment, as shown in Fig. 3 or Fig. 5, the temperature memory flexible member 14 can be in internal temperature of battery height
Elastic extension jacks up the conducting strip 12 so as to disconnect the tie point to disconnect the electrode terminal when default temperature control threshold value
With the electrical connection of the block 11.Cell electrode assemblies use temperature as the bar of the effect of triggering temperature memory flexible member 14
Part, strengthen the pull-off force to the conducting strip 12, on the premise of meeting to protect battery, be effectively protected the peace of inside battery
Entirely, the thickness of conducting strip 12 is ensure that, improves the conveyance capacity of battery, optimizes the performance of battery.
Another embodiment of the present utility model or a kind of prioritization scheme as above-mentioned embodiment, the conducting strip
12 are provided with indentation, and the temperature memory flexible member 14 is arranged at below the indentation of the conducting strip 12, temperature memory elasticity
Element 14 can flick indentation weakness when internal temperature of battery is higher than default temperature control threshold value with disconnect the electrode terminal with
The electrical connection of the block 11.The conducting strip 12 with indentation, be advantageous to the temperature memory flexible member 14 in battery exception
The electrical connection of electrode terminal and conducting strip 12 is timely disconnected, ensure that the safety in battery.Further, the battery electricity
Pole component includes support member 15, and the support member 15 is arranged between the block 11 and conducting strip 12, the conducting strip 12
A part is connected to form tie point with the end face of electrode terminal；The indentation is between support member 15 and tie point；Such as Fig. 4
Shown in Fig. 6, the support member 15 is made for the insulating materials of annular, for fixed-conductive film 12, is advantageous to temperature note
Recall when the extension of flexible member 14 jacks up conducting strip 12 and preferably the indentation weakness top of the conducting strip 12 is broken；The scheme is protected
The residual thickness at the indentation of the conducting strip has been demonstrate,proved, has improved the conveyance capacity of battery.
Because of inside battery, space is smaller particularly in electrode assemblie, to prevent when temperature rise, temperature memory bullet in battery
Property element 14 extends, and when flicking indentation, temperature memory flexible member 14 contacts with block 11, or the gap of conducting strip 12
It is flipped up contacting with block 11, that block does not disconnect substantially with electrode terminal is present and electrically connects appearance, it is further, excellent
Choosing, the lower surface of block 11 and/or temperature memory flexible member 14 are provided with insulating coating, the still more preferably lower surface of block 11
Insulating coating is provided with, the conducting strip 12 for preventing from being jacked up contacts conduction with the lower surface of block 11.
It is preferred that electrode assemblie includes conducting ring, the fixed company in outer peripheral edge of the outer peripheral edge of the block and the conducting strip
It is connected on the conducting ring, for example, the outer face of conducting ring is supported on formed with L type seams, the outer peripheral edge insertion of the conducting strip
In the L-type seam, the block, which is located on conducting ring, is sealedly connected on the L-type seam periphery along upper, is realized by conducting ring
Block and the electrical connection of conducting strip.Conducting strip medial recess is connected with electrode terminal, and connection can be located at the centre bore of conducting ring
It is interior, can also be above, such as electrode terminal extends the centre bore of conducting ring and is connected with conducting strip, under can also being located at
Side, such as conducting strip medial recess go out the centre bore of conducting ring and are connected with electrode terminal.Conducting strip medial recess and electrode terminal
Connection is typically connected with the end face of electrode terminal.Connection can be welding.Specifically as shown in Fig. 2, Fig. 3, Fig. 5, circular conducting strip
Welded in the middle part of 12 middle part and the end face of electrode terminal, laser welding can be used.
Still more preferably, the disconnected position in the lower surface of conducting strip 12 is provided with insulating coating.Prevent conducting strip 12 from welding
Connect other positions beyond area to contact and electrically connect with electrode terminal, prevent the effect of temperature memory flexible member 14 from failing, electricity
Extreme son, which still suffers from situation about electrically connecting with block 11, to be occurred.
The position of temperature memory flexible member 14 can act on when high temperature extends between electrode terminal and conducting strip and lead
Electric piece, as further prioritization scheme, the electrode terminal surface is provided with groove, the temperature memory flexible member 14
In groove.As shown in figure 5, battery space can be saved further, battery capacity, while temperature memory flexible member 14 are improved
Also can preferably induced cell internal temperature, and can preferably act on conducting strip, mention sensitivity, be further ensured that battery pacify
Full performance, it is specifically as follows the groove close to marginal portion in electrode terminal upper surface with annular, by temperature memory elasticity member
Part is arranged in annular groove.
Further, the temperature memory flexible member 14 is spring-like memory alloy element, the memory alloy element
Deformation temperature be preferably arranged to 60-80 degrees Celsius, the memory alloy element material closes including but not limited to Ni-Mn-Ga-Gd
Gold or Ni-Mn-Sn alloys etc..Further, the diameter of section of the temperature memory flexible member 14 is 2.1 millimeters, described
The internal diameter of temperature memory flexible member 14 is 10 millimeters.
Default temperature control threshold value is that the battery designed need to realize the temperature that inside battery disconnects, this reality related to battery specifications
It is 60-80 DEG C with new preferably default temperature control threshold value, is further ensured that cell safety.
The utility model additionally provides a kind of cover plate assembly, and the cover plate assembly includes cover board body 21, the close structure of insulation
And the cell electrode assemblies any one of above-described embodiment, in detail as shown in Figure 2 and Figure 5, set on the cover board body 21
There is through hole, the cell electrode assemblies are arranged at through hole, and the electrode terminal of the cell electrode assemblies extends into inside battery,
The electrode terminal passes through insulation and sealing structure insulated enclosure with cover board body 21.
As shown in Figure 4 and Figure 5, the specific Ceramics ring 232 of the present embodiment carries out insulated enclosure, and concrete structure can be pottery
Transition rings 233 are connected on the inner face of ceramic ring 232, are connected on the through hole of cover board body 21 by transition rings 233, transition rings 233 can
To be connected with ceramic ring 232 by Ceramic brazing, such as transition rings 233 have inner ring and the outer ring for forming Z-type structure, cover plate sheet
The through hole that body 21 passes through formed with power pole terminal, the end face of the through hole is ledge structure, and the inner ring insertion of transition rings 233 supports
In ledge structure, it is tightly connected between the outer peripheral edge of conducting ring 231 and cover board body 21 by ceramic ring 232, that is, passes through lid
Plate body 21 and transition rings 233, transition rings 233 and ceramic ring 232, ceramic ring 232 and conducting ring 231 and conducting ring 231 with
Each self sealss between conducting strip 12, block 11 seal to realize.Electrode terminal extends into the interior of inside battery and inside battery
Lead-out tablet electrically connects, and extracted current, the lower surface of cover board body 21 is provided with moulding 234, for interior lead-out tablet and cover board body 21
Isolation and insulation.
The utility model additionally provides a kind of battery, and the battery includes the cover plate group in battery core 31 and above-described embodiment
Part, the electrode terminal are the positive terminal 33 and/or negative terminal 32 of the battery.As shown in figure 3, the cover board body 21
On offer 2 through holes, for installing positive terminal 33 and negative terminal 32.Positive pole and negative pole of the present utility model can be whole
For the electrode assemblie of said structure, can also any one be said structure electrode assemblie.The utility model specific embodiment is
Negative pole is the electrode assemblie of said structure.With specific reference to actual demand and practical solution.Further, the battery includes enclosing setting
Interior lead-out tablet in the electrode terminal edge, the interior lead-out tablet are used for being electrically connected for the battery core 31 and the electrode terminal
Connect.Specific embodiment is as shown in Figure 3 and Figure 6.
It is two specific embodiments of the present utility model below；
Specific embodiment 1：As shown in Figure 1 to Figure 3, when inside battery collides, extrudes, overcharges, internal short-circuit etc. is different
During reason condition, internal temperature of battery rise, when temperature reaches 60 to 80 degrees Celsius, temperature memory flexible member 14, deform upon
Elongation, pushes up conducting strip 12, and conducting strip 12 is jacked up upwards, and the pad of conducting strip 12 and the electrode terminal disconnects,
The block 11 disconnects with electrode terminal, then the positive terminal 33 and/or negative pole disconnect with block 11, so as to real
The disconnection of existing inside battery circuit, contacting for abnormal battery and outside normal battery is cut off, normal battery is kept apart, prevented more
Big potential safety hazard occurs, the pernicious chain reaction for effectively preventing abnormal battery from bringing, and improves the security of single battery,
More improve whole battery modules, safety coefficient.The conducting strip 12 is without indentation.The design passes through the temperature memory bullet
Property element 14, strengthens the pull-off force to the conducting strip 12 and the electrode terminal tie point, is meeting the premise of open circuit protection
Under so that conducting strip 12 has stronger conveyance capacity, improves the conveyance capacity of inside battery.
Specific embodiment 2：As shown in Figures 4 to 6, support member 15, the conducting strip 12 are provided with the conducting strip 12
Indentation is provided with lower surface, temperature memory flexible member 14 is arranged at lower section at indentation.When inside battery occurs abnormal,
Internal temperature of battery raises, and when temperature reaches 60 to 80 degrees Celsius, temperature memory flexible member 14 deforms upon elongation upwards, temperature
Spend memory elasticity element 14 and jack up conducting strip 12, the support member 15 between conducting strip 12 and block 11 is by conducting strip 12 in certain bar
Fixed in part, after the elastic force of temperature memory flexible member 14 exceedes certain value, the indentation weakness of conducting strip 12 disconnects, block
11 disconnect with electrode terminal.Although 2 blocks 11 of outside batteries still keep connecting by connection sheet, positive terminal
33 and/or negative terminal 32 disconnected with block 11, then the positive pole of block 11 and battery and/or disconnect.The support
Part 15 is provided with the connection that electrode terminal and block 11 are effectively disconnected beneficial to temperature memory flexible member 14, the design
It is used cooperatively by temperature memory flexible member 14 and support member 15, enhancing temperature memory flexible member 14 is to the conducting strip
The pull-off force of 12 weakness, it ensure that the thickness of conducting strip 12 so that conducting strip 12 has stronger conveyance capacity, improves
The conveyance capacity of inside battery, optimizes battery performance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent substitution and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (13)
- A kind of 1. cell electrode assemblies, it is characterised in that the cell electrode assemblies include block, conducting strip, electrode terminal and At least one temperature memory flexible member, the block are electrically connected by conducting strip with the electrode terminal, the temperature memory Flexible member is arranged between the electrode terminal and the conducting strip, and the temperature memory flexible member is in internal temperature of battery Elastic extension acts on the electrical connection that conducting strip disconnects the electrode terminal and the block during higher than default temperature control threshold value.
- 2. cell electrode assemblies according to claim 1 a, it is characterised in that part and electrode terminal for the conducting strip End face connect to form tie point, temperature memory flexible member elasticity when internal temperature of battery is higher than default temperature control threshold value Extension jacks up the conducting strip so as to disconnect the tie point to disconnect the electrical connection of the electrode terminal and the block.
- 3. cell electrode assemblies according to claim 1, it is characterised in that the conducting strip is provided with indentation, the temperature Degree memory elasticity element is arranged at below the indentation of the conducting strip, and the temperature memory flexible member can be in inside battery temperature Indentation weakness is flicked to disconnect the electrical connection of the electrode terminal and the block when degree is higher than default temperature control threshold value.
- 4. cell electrode assemblies according to claim 3, it is characterised in that the cell electrode assemblies include support member, The support member is arranged between the block and conducting strip, a part for the conducting strip and the end face connection shape of electrode terminal Into tie point, the indentation is between support member and tie point.
- 5. according to the cell electrode assemblies described in claim 1-4 any one, it is characterised in that the electrode terminal surface is set Fluted, the temperature memory flexible member is located in groove.
- 6. according to the cell electrode assemblies described in claim 1-4 any one, it is characterised in that the block lower surface and/ Or temperature memory flexible member is provided with insulating coating.
- 7. according to the cell electrode assemblies described in claim 1-4 any one, it is characterised in that the electrode assemblie includes leading The outer peripheral edge of electric ring, the outer peripheral edge of the block and the conducting strip is fixedly connected with the conducting ring, in the conducting strip Portion's depression is connected with electrode terminal.
- 8. cell electrode assemblies according to claim 7, it is characterised in that welded with electrode terminal at the middle part of the conducting strip Connect.
- 9. electrode assemblie according to claim 8, it is characterised in that the disconnected position in lower surface of the conducting strip is provided with Insulating barrier.
- 10. cell electrode assemblies according to claim 1, it is characterised in that the temperature memory flexible member is spring Shape memory alloys element.
- 11. cell electrode assemblies according to claim 1, it is characterised in that the default temperature control threshold value is that 60-80 is Celsius Degree.
- 12. a kind of cover plate assembly, it is characterised in that the cover plate assembly will including cover board body, insulation and sealing structure and right The cell electrode assemblies described in 1-11 any one are sought, the cover board body is provided with through hole, and the cell electrode assemblies are set In through hole, the electrode terminal of the cell electrode assemblies extends into inside battery, the electrode terminal of the cell electrode assemblies Pass through the insulation and sealing structure insulated enclosure with cover board body.
- 13. a kind of battery, it is characterised in that the battery includes battery container, battery core and envelope in the battery container The cover plate assembly of the battery container is filled, the cover plate assembly is the cover plate assembly described in claim 12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720182208.9U CN206685462U (en) | 2017-02-27 | 2017-02-27 | A kind of cell electrode assemblies, cover plate assembly and battery |
| PCT/CN2017/117409 WO2018153156A1 (en) | 2017-02-27 | 2017-12-20 | Battery electrode assembly and cover plate assembly, and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720182208.9U CN206685462U (en) | 2017-02-27 | 2017-02-27 | A kind of cell electrode assemblies, cover plate assembly and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685462U true CN206685462U (en) | 2017-11-28 |
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ID=60392353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720182208.9U Active CN206685462U (en) | 2017-02-27 | 2017-02-27 | A kind of cell electrode assemblies, cover plate assembly and battery |
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| Country | Link |
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| CN (1) | CN206685462U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018153156A1 (en) * | 2017-02-27 | 2018-08-30 | 比亚迪股份有限公司 | Battery electrode assembly and cover plate assembly, and battery |
| CN108511670A (en) * | 2017-02-27 | 2018-09-07 | 比亚迪股份有限公司 | A kind of cell electrode assemblies, cover plate assembly and battery |
| CN111403855A (en) * | 2020-04-07 | 2020-07-10 | 广东微电新能源有限公司 | Self-heating virus-killing battery device and electronic equipment |
| WO2021237775A1 (en) * | 2020-05-28 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Button cell |
-
2017
- 2017-02-27 CN CN201720182208.9U patent/CN206685462U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018153156A1 (en) * | 2017-02-27 | 2018-08-30 | 比亚迪股份有限公司 | Battery electrode assembly and cover plate assembly, and battery |
| CN108511670A (en) * | 2017-02-27 | 2018-09-07 | 比亚迪股份有限公司 | A kind of cell electrode assemblies, cover plate assembly and battery |
| CN108511670B (en) * | 2017-02-27 | 2020-03-31 | 比亚迪股份有限公司 | Battery electrode component, cover plate component and battery |
| CN111403855A (en) * | 2020-04-07 | 2020-07-10 | 广东微电新能源有限公司 | Self-heating virus-killing battery device and electronic equipment |
| CN111403855B (en) * | 2020-04-07 | 2021-11-09 | 广东微电新能源有限公司 | Battery device and electronic equipment based on self-heating principle virus killing |
| WO2021237775A1 (en) * | 2020-05-28 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Button cell |
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