CN207602640U - Battery cover board electrode assembly, battery cover board assembly and battery - Google Patents
Battery cover board electrode assembly, battery cover board assembly and battery Download PDFInfo
- Publication number
- CN207602640U CN207602640U CN201721802663.0U CN201721802663U CN207602640U CN 207602640 U CN207602640 U CN 207602640U CN 201721802663 U CN201721802663 U CN 201721802663U CN 207602640 U CN207602640 U CN 207602640U
- Authority
- CN
- China
- Prior art keywords
- hole
- electrode
- cover board
- felt pad
- battery cover
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model embodiment provides a kind of battery cover board electrode assembly, battery cover board assembly and battery, solves the problems, such as that sealing of the existing battery cover board at electrode terminal is easily failed.The battery cover board electrode assembly includes：Cover board, including first surface, the second surface opposite with the first surface and through the first surface and the electrode through-hole of the second surface in the vertical direction；The felt pad being bonded with the second surface of the cover board, the felt pad include the felt pad through-hole being correspondingly arranged with the electrode through-hole, and the size of the felt pad through-hole is more than the size of the electrode through-hole；Through the electrode through-hole and the electrode terminal of the felt pad through-hole；Sealing shroud is arranged in the gap between the electrode terminal and the electrode through-hole；And seal washer, it is arranged in the gap between the lower end of the sealing shroud and the felt pad through-hole.
Description
Technical field
The utility model is related to battery technology fields, and in particular to a kind of battery cover board electrode assembly, battery cover board assembly
And battery.
Background technology
With further attention of the today's society for environmentally protective theory, electric energy has gradually been applied to people's life
Every aspect, such as electric vehicle and electric bicycle etc. are all had been carried out using battery as power resources.Existing power
Battery is made of battery core body and the battery cover board being arranged on above battery core body, and the electrode in battery core body needs to pass through battery
Electrode terminal on cover board exports electric energy outward.
In order to ensure that the chemical reaction produced electricl energy inside battery core body can be free from the influence of the external environment, battery cover board
It needs to be sealingly disposed in battery core body.Due to the electrode terminal on battery cover board need connect inside battery battery core body and
The load of outside batteries, therefore the sealing at electrode terminal is most important for the normal work of entire battery.However, due to dynamic
The working environment of power battery is existing there are diversity (such as may need long-term work under high temperature and/or low temperature environment)
Sealing effect of the battery cover board at electrode terminal is simultaneously bad, the problem of being susceptible to seal failure.
Utility model content
In view of this, the utility model embodiment provides a kind of battery cover board electrode assembly, battery cover board assembly and electricity
Pond solves the problems, such as that sealing of the existing battery cover board at electrode terminal is easily failed.
One side according to the present utility model provides a kind of battery cover board electrode assembly, including：Cover board, including
One surface, the in the vertical direction second surface opposite with the first surface and through the first surface and described
The electrode through-hole on two surfaces；The felt pad being bonded with the second surface of the cover board, the felt pad include and the electricity
The felt pad through-hole that pole through-hole is correspondingly arranged, the size of the felt pad through-hole are more than the size of the electrode through-hole；Through institute
State the electrode terminal of electrode through-hole and the felt pad through-hole；Sealing shroud is arranged on the electrode terminal and leads to the electrode
In gap between hole；And seal washer, it is arranged on the gap between the lower end of the sealing shroud and the felt pad through-hole
In.
In one embodiment, the sealing shroud is made of injected plastics material, and the seal washer is made of rubber material.
In one embodiment, the sealing shroud is made of PFA injected plastics materials；And/or the seal washer uses fluorine rubber
Glue material is made.
In one embodiment, the electrode terminal includes pole part and is connected to bottom end on the vertical direction of the pole part
First step portion；Wherein, the pole part runs through the electrode through-hole and the felt pad through-hole, and the first step portion prolongs
It stretches and is set to the lower section of the felt pad and the seal washer in the vertical direction.
In one embodiment, the battery cover board electrode assembly further comprises：It is arranged on described the first of the cover board
The pressing plate of surface, the pressing plate include the pressing plate through-hole being correspondingly arranged with the electrode through-hole；Wherein, the electrode terminal
Upper end pass through the pressing plate through-hole, and with the pressing plate rivet fix.
In one embodiment, the battery cover board electrode assembly further comprises：It is arranged on the first surface of the cover board
Neonychium between the pressing plate, the neonychium includes the neonychium through-hole being correspondingly arranged with the electrode through-hole, described
Electrode terminal passes through the neonychium through-hole.
In one embodiment, the size of the neonychium through-hole is more than the electrode through-hole；Wherein described sealing shroud it is upper
End includes the second step portion being filled between the electrode terminal and the neonychium through-hole.
Other side according to the present utility model provides a kind of battery cover board assembly, including：Positive electrode and cathode
Component；Wherein, the positive electrode and/or the cathode component respectively include：Cover board, including first surface, in vertical direction
Go up the second surface opposite with the first surface and through the first surface and the electrode through-hole of the second surface；
The felt pad being bonded with the second surface of the cover board, the felt pad include being correspondingly arranged with the electrode through-hole exhausted
Edge pads through-hole, and the size of the felt pad through-hole is more than the size of the electrode through-hole；Through the electrode through-hole and described
The electrode terminal of felt pad through-hole；Sealing shroud is arranged in the gap between the electrode terminal and the electrode through-hole；Sealing
Washer is arranged in the gap between the lower end of the sealing shroud and the felt pad through-hole；And for by the electrode pole
The electrode leader that column and the electrode tabs of battery core body connect.
In one embodiment, the battery cover board assembly further comprises：The anti-explosion mechanism being set on the cover board, institute
It states anti-explosion mechanism and includes burst disk and the protective film above the burst disk, wherein the burst disk is configured to when in battery
It is released stress when portion's pressure is more than threshold value by cell internal pressure breakthrough.
Other side according to the present utility model provides a kind of battery, which is characterized in that including：As previously described
Battery cover board assembly；And battery core body.
The utility model embodiment provide a kind of battery cover board electrode assembly, battery cover board assembly and battery, by
Sealing shroud is set in gap between electrode terminal and electrode through-hole, ensure that the through-hole between electrode terminal and electrode through-hole is close
Sealing property；Meanwhile it by setting seal washer in the gap between the lower end of sealing shroud and felt pad through-hole, is further ensured that
Face sealing performance of the felt pad close to the surface of battery core body.It can be seen that provided using the utility model embodiment
Structure can realize the double sealing structure of hole sealing knead dough sealing, to avoid there is the problem of seal failure at electrode terminal.
Description of the drawings
Fig. 1 show a kind of structure diagram of battery cover board electrode assembly of prior art offer.
Fig. 2 show a kind of structure diagram of battery cover board assembly of one embodiment of the utility model offer.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the reality of the utility model part of the embodiment rather than whole
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 show a kind of structure diagram of battery cover board electrode assembly of one embodiment of the utility model offer.Such as
Shown in Fig. 1, which includes cover board 1, felt pad 2, electrode terminal 3, sealing shroud 4 and seal washer 5.
Specifically, cover board 1 includes first surface 11, the in the vertical direction second surface opposite with first surface 11
12 and through first surface 11 and the electrode through-hole 13 of second surface 12.Felt pad 2 is fitted in the second surface 12 of cover board 1,
Felt pad 2 includes the felt pad through-hole 21 being correspondingly arranged with electrode through-hole 13, and the size of felt pad through-hole 21 is more than electrode through-hole
13 size.3 penetrating electrode through-hole 13 of electrode terminal and felt pad through-hole 21, sealing shroud 4 are arranged on electrode terminal 3 and electrode
In gap between through-hole 13, seal washer 5 is arranged in the gap between the lower end of sealing shroud 4 and felt pad through-hole 21.
It can be seen that the utility model embodiment provide a kind of battery cover board electrode assembly by electrode terminal 3 with
Sealing shroud 4 in the gap between electrode through-hole 13 is set, ensure that the through-hole leakproofness between electrode terminal 3 and electrode through-hole 13
Energy.Meanwhile it by setting seal washer 5 in the gap between the lower end of sealing shroud 4 and felt pad through-hole 21, is further ensured that
Face sealing performance of the felt pad 2 close to the surface of battery core body.That is, the structure provided using the utility model embodiment,
The double sealing structure of hole sealing knead dough sealing can be realized at electrode terminal 3, to avoid there is the problem of seal failure.
In one embodiment of the utility model, sealing shroud 4 can be used injected plastics material and be made, and rubber can be used in seal washer 5
Material is made.The compression deformation that injected plastics material generates under the effect of external force is small, and the heat-resisting quantity under the conditions of long-term work
Energy is poor and resistance to low temperature is good；The compression deformation that rubber material generates under the effect of external force is big, and in long-term work condition
Lower high temperature resistance is high and resistance to low temperature is poor, therefore by the way that sealing shroud 4 and seal washer 5 are respectively adopted injected plastics material and rubber
Glue material is made, and the performance of two kinds of materials, which combines, may be such that the sealing structure at electrode terminal 3 can bear more complicated work
Environment further improves the reliability of product.
In a further embodiment, sealing shroud 4 can specifically use PFA (Polyfluoroalkoxy, also known as fluoroalkyl
Compound or soluble poly tetrafluoroethene) injected plastics material is made.The compression deformation that PFA injected plastics materials generate under the effect of external force
Small (about 20% or so) can be used for a long time at -40 DEG C~95 DEG C, and electrical insulation capability is not affected by temperature, and has remarkable resistance toization
Learn corrosive nature.
In another further embodiment, seal washer 5 can be specifically made of fluorubber material.Material is molded compared to PFA
Material, fluorubber material have excellent high temperature resistance but resistance to low temperature poor, can be used for a long time at -20 DEG C~130 DEG C, outside
The compression deformation generated under the action of power is big (about 35% or so), while also has excellent electrical insulation capability and corrosion resistance
Energy.
In one embodiment of the utility model, as shown in Figure 1, electrode terminal 3 includes pole part 31 and is connected to pole part
The first step portion 32 of bottom end on 31 vertical direction.31 penetrating electrode through-hole 13 of pole part and felt pad through-hole 21, First
Rank portion 32 is extended the lower section in felt pad 2 and seal washer 5 in the vertical direction.Seal washer 5 is sealing in fact in this way
It has been arranged in the gap on vertical direction between first step portion 32 and cover board 1, while sealed set is upper exhausted in the horizontal direction
In gap between edge pad 2 and pole part 31.It can be seen that it is extended by setting in 5 lower section of felt pad 2 and seal washer
First step portion 32, the face sealing effect of seal washer 5 can be more advantageous to, further improve the leakproofness at electrode terminal 3
Energy.
In one embodiment of the utility model, as shown in Figure 1, the battery cover board electrode assembly can also further comprise：If
The pressing plate 6 above the first surface 11 of cover board 1 is put, pressing plate 6 includes the pressing plate through-hole 61 being correspondingly arranged with electrode through-hole 13.Electricity
The upper end of pole pole 3 passes through pressing plate through-hole 61, and rivets and fix with pressing plate 6.The upper end of the electrode terminal 3 is riveted with the pressing plate 6
Process can be completed especially by two steps of pressure and riveting.Specifically, the step of passing through pressure may be such that briquetting in pressing plate 6 and
Crunch in the vertical direction is generated at one stage portion 32, to compress seal washer 5, so as to fulfill the close of vertical direction
Envelope.The step of passing through riveting may be such that riveting punch act on 31 upper end of pole part so that pole part 31 be deformed and under be sunken to
In pressing plate through-hole 61, with lock pressing plate 6 and further consolidate at the pressing plate 6 and first step portion 32 generate vertical direction
Pressure, while pole part 31 is swollen during deformation with jam-packed sealing shroud 4, so as to fulfill the sealing of horizontal direction.
In one embodiment of the utility model, as shown in Figure 1, can also between the first surface 11 of cover board 1 and pressing plate 6 into
One step sets neonychium 7, which includes the neonychium through-hole 71 being correspondingly arranged with electrode through-hole 13, and electrode terminal 3 passes through
Neonychium through-hole 71.
In a further embodiment, the size of neonychium through-hole 71 is more than electrode through-hole 13；The wherein upper end of sealing shroud 4
Including the second step portion 41 being filled between electrode terminal 3 and neonychium through-hole 71.By setting the second step portion 41 can
A degree of face sealing is also realized in the upper end of electrode terminal 3, to further improve sealing effect.
It should be appreciated that the neonychium 7 is with sealing shroud 4 and pressing plate 6 in addition to that can coordinate to improve sealing effect, it can also be certain
Play the role of protecting pressing plate 6 in degree, by gouge or damage to avoid pressing plate 6.In addition, when the battery cover board electrode assembly is
During cathode component, which can be used for insulating, so that the pressing plate 6 in cathode component insulate with cover board 1.And when the battery
When cover board electrode assembly is positive electrode, which then may be used primarily for control internal resistance, can be connected with cover board 1, can also
It insulate with cover board 1.That is, the material of neonychium 7 in positive electrode can according to the demand of actual scene and selected as it is conductive or
Insulation, the utility model are not construed as limiting this.
Fig. 2 show a kind of structure diagram of battery cover board assembly of one embodiment of the utility model offer.Such as Fig. 2 institutes
Show, which includes：Positive electrode 101 and cathode component 102.Positive electrode 101 and cathode component 102 all use
The structure of battery cover board electrode assembly as shown in Figure 1.Positive electrode 101 and cathode component 102 share a cover board 1, just
Electrode terminal 3 in pole component 101 is Positive Poles, which passes through an anode electrode leader 103 and battery core body
Positive pole ear connection, the electrode terminal 3 in cathode component 102 is cathode pole, which passes through a negative electrode
Leader 104 is connect with the negative lug of battery core body, and details are not described herein for the structure of the battery cover board electrode assembly of other parts.
It can be seen that positive electrode 101 and cathode in a kind of battery cover board assembly that the utility model embodiment provides
Component 102 ensure that electrode terminal 3 and electricity by setting sealing shroud 4 in the gap between electrode terminal 3 and electrode through-hole 13
Through-hole sealing performance between pole through-hole 13.Meanwhile by the gap between the lower end of sealing shroud 4 and felt pad through-hole 21
Seal washer 5 is set, further ensures face sealing performance of the felt pad 2 close to the surface of battery core body.That is, using this practicality
The structure that new embodiment is provided can realize Kong Mi at 102 respective electrode terminal 3 of positive electrode 101 and cathode component
The double sealing structure of knead dough sealing is sealed, to avoid there is the problem of seal failure.
In one embodiment of the utility model, as shown in Fig. 2, the battery cover board assembly can also further comprise：It is set to
Anti-explosion mechanism on cover board 1, the anti-explosion mechanism include burst disk 105 and the protective film 106 above burst disk 105.This is anti-
It is configured to for quick-fried 105 be released stress by cell internal pressure breakthrough when cell internal pressure is more than threshold value, electricity is avoided with this
Pond internal pressure is abnormal and causes explosion.Protective film 106 above burst disk 105 for protect burst disk 105 to prevent by
To external world or outside contamination, to influence the performance of burst disk 105.In one embodiment, which may be provided at just
On cover board 1 between pole component 101 and cathode component 102, as shown in Figure 2.
Although should be appreciated that in the embodiment shown in Figure 2, positive electrode 101 and cathode component 102 are all employed such as figure
The structure of battery cover board electrode assembly shown in 1, but in the other embodiment of the utility model or only anode group
Part 101 or cathode component 102 employ the structure of battery cover board electrode assembly as shown in Figure 2, and the utility model does not do this
It limits.
One embodiment of the utility model additionally provides a kind of battery, including battery cover board assembly and battery core as shown in Figure 2
Ontology.Battery core body is produced electricl energy by internal chemical reaction, positive pole ear and cathode including being used to form circuit loop
Lug.The positive pole ear of battery core body is electrically connected by the positive electrode 101 of battery cover board assembly with external utilization device realization；
The negative lug of battery core body is electrically connected by the cathode component 102 of battery cover board assembly with external utilization device realization.One
In embodiment, which includes a shell, and battery core body is arranged in the shell, and battery cover board assembly sealed set is in shell
Opening on.
It should be appreciated that the determiner " first " and " second " employed in being described above are only used for more clearly distinguishing reconciliation
Technical characteristic is released, can not be used to limit the scope of protection of the utility model.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Spiritual and any modification within principle, made, equivalent replacement of utility model etc., should be included in the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of battery cover board electrode assembly, which is characterized in that including：
Cover board, including first surface, the second surface opposite with the first surface and through described in the vertical direction
One surface and the electrode through-hole of the second surface；
The felt pad being bonded with the second surface of the cover board, the felt pad include being correspondingly arranged with the electrode through-hole
Felt pad through-hole, the size of the felt pad through-hole is more than the size of the electrode through-hole；
Through the electrode through-hole and the electrode terminal of the felt pad through-hole；
Sealing shroud is arranged in the gap between the electrode terminal and the electrode through-hole；And
Seal washer is arranged in the gap between the lower end of the sealing shroud and the felt pad through-hole.
2. battery cover board electrode assembly according to claim 1, which is characterized in that the sealing shroud uses injected plastics material system
Into the seal washer is made of rubber material.
3. battery cover board electrode assembly according to claim 2, which is characterized in that the sealing shroud is molded material using PFA
Material is made；And/or the seal washer is made of fluorubber material.
4. according to the battery cover board electrode assembly any in claims 1 to 3, which is characterized in that the electrode terminal packet
It includes pole part and is connected to the first step portion of bottom end on the vertical direction of the pole part；
Wherein, the pole part run through the electrode through-hole and the felt pad through-hole, the first step portion be extended in
The lower section of the felt pad and the seal washer in the vertical direction.
5. according to the battery cover board electrode assembly any in claims 1 to 3, which is characterized in that further comprise：
The pressing plate being arranged on above the first surface of the cover board, the pressing plate include being correspondingly arranged with the electrode through-hole
Pressing plate through-hole；
Wherein, the upper end of the electrode terminal passes through the pressing plate through-hole, and rivets and fix with the pressing plate.
6. battery cover board electrode assembly according to claim 5, which is characterized in that further comprise：It is arranged on the lid
Neonychium between the first surface of plate and the pressing plate, the neonychium include the protection being correspondingly arranged with the electrode through-hole
Through-hole is padded, the electrode terminal passes through the neonychium through-hole.
7. battery cover board electrode assembly according to claim 6, which is characterized in that the size of the neonychium through-hole is more than
The electrode through-hole；The upper end of wherein described sealing shroud includes being filled between the electrode terminal and the neonychium through-hole
Second step portion.
8. a kind of battery cover board assembly, which is characterized in that including：Positive electrode and cathode component；
Wherein, the positive electrode and/or the cathode component respectively include：
Cover board, including first surface, the second surface opposite with the first surface and through described in the vertical direction
One surface and the electrode through-hole of the second surface；
The felt pad being bonded with the second surface of the cover board, the felt pad include being correspondingly arranged with the electrode through-hole
Felt pad through-hole, the size of the felt pad through-hole is more than the size of the electrode through-hole；
Through the electrode through-hole and the electrode terminal of the felt pad through-hole；
Sealing shroud is arranged in the gap between the electrode terminal and the electrode through-hole；
Seal washer is arranged in the gap between the lower end of the sealing shroud and the felt pad through-hole；And
For the electrode leader for connecting the electrode tabs of the electrode terminal and battery core body.
9. battery cover board assembly according to claim 8, which is characterized in that further comprise：
The anti-explosion mechanism being set on the cover board, the anti-explosion mechanism include burst disk and the guarantor above the burst disk
Cuticula, wherein the burst disk is configured to discharge pressure by cell internal pressure breakthrough when cell internal pressure is more than threshold value
Power.
10. a kind of battery, which is characterized in that including：Battery cover board assembly as claimed in claim 8 or 9；And battery core sheet
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802663.0U CN207602640U (en) | 2017-12-20 | 2017-12-20 | Battery cover board electrode assembly, battery cover board assembly and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802663.0U CN207602640U (en) | 2017-12-20 | 2017-12-20 | Battery cover board electrode assembly, battery cover board assembly and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602640U true CN207602640U (en) | 2018-07-10 |
Family
ID=62767637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721802663.0U Active CN207602640U (en) | 2017-12-20 | 2017-12-20 | Battery cover board electrode assembly, battery cover board assembly and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946497A (en) * | 2017-12-20 | 2018-04-20 | 天津锦泰勤业精密电子有限公司 | Battery cover board electrode assemblie, battery cover board assembly and battery |
| CN109301104A (en) * | 2018-10-29 | 2019-02-01 | 湖南科霸汽车动力电池有限责任公司 | Cylindrical battery nut cap combination and column secondary battery |
-
2017
- 2017-12-20 CN CN201721802663.0U patent/CN207602640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946497A (en) * | 2017-12-20 | 2018-04-20 | 天津锦泰勤业精密电子有限公司 | Battery cover board electrode assemblie, battery cover board assembly and battery |
| CN109301104A (en) * | 2018-10-29 | 2019-02-01 | 湖南科霸汽车动力电池有限责任公司 | Cylindrical battery nut cap combination and column secondary battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6280521B2 (en) | Electrochemical cell | |
| CN108232052B (en) | Secondary battery | |
| CN111952514B (en) | Battery with a battery cell | |
| JP2003092149A (en) | Nonaqueous electrolyte secondary battery and its manufacturing method | |
| CN207602640U (en) | Battery cover board electrode assembly, battery cover board assembly and battery | |
| CN106531965A (en) | Pole piece assembly, cell and battery | |
| CN108198966A (en) | A kind of battery cover board with novel pole sealing structure | |
| KR20140078812A (en) | Cap Assembly Improved Sealability and Battery Cell Employed with The Same | |
| CN107946497A (en) | Battery cover board electrode assemblie, battery cover board assembly and battery | |
| KR102028597B1 (en) | Current collector for Electrochemical energy storage device and Manufacturing method thereof | |
| CN201466087U (en) | Lithium-ion battery cathode-post riveting sealing structure | |
| CN207530032U (en) | A kind of lithium ion cell polar ear of high sealing liquid-leakage preventing | |
| CN209626266U (en) | A kind of battery cover board | |
| CN207637925U (en) | A kind of lithium battery | |
| CN108123179A (en) | Electric automobile power battery | |
| CN207009545U (en) | A kind of dynamic lithium battery overcharges cover sheet | |
| CN113921899B (en) | Battery cell | |
| CN106450157A (en) | Pole piece component, electric core and battery | |
| CN207587824U (en) | A kind of lithium battery diaphragm structure | |
| CN210272463U (en) | Power battery protective structure | |
| CN103531853B (en) | A kind of dynamical bipolar lead-acid accumulator | |
| CN207676957U (en) | A kind of high power battery cap assembly and high power battery | |
| CN208189647U (en) | Secondary cell top cover and its secondary cell | |
| CN201975436U (en) | Battery sealing terminal and battery | |
| JP2003242941A (en) | Coin-shaped cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210128 Address after: 313100 workshop No.4, intersection of Taihu Avenue and jingsan Road, Changxing County, Huzhou City, Zhejiang Province Patentee after: ZHEJIANG JINTAI ELECTRONICS Co.,Ltd. Address before: No.16 Xin'an Road, West District, Binhai New Area Economic and Technological Development Zone, Tianjin 300462 Patentee before: JINTECH (TIANJIN) PRECISION & ELECTRONIC Co.,Ltd. |
|
| TR01 | Transfer of patent right |