CN207097909U - A kind of battery bag - Google Patents
A kind of battery bag Download PDFInfo
- Publication number
- CN207097909U CN207097909U CN201720927669.4U CN201720927669U CN207097909U CN 207097909 U CN207097909 U CN 207097909U CN 201720927669 U CN201720927669 U CN 201720927669U CN 207097909 U CN207097909 U CN 207097909U
- Authority
- CN
- China
- Prior art keywords
- battery bag
- out terminal
- hole
- protection
- waterproof
- 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 - Fee Related
Links
- 239000012528 membrane Substances 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 21
- 230000000740 bleeding effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides a kind of battery bag, including：Housing, enclosure interior is formed with seal cavity；Some cells, positive pole leading-out terminal, negative pole leading-out terminal；At least one in positive pole leading-out terminal and negative pole leading-out terminal is column leading-out terminal, and column terminal inner is provided with interconnected protection through hole and exhaust hole, and protection through hole connects with hull outside, and exhaust hole connects with seal cavity；The internal diameter of through hole is protected to be more than the internal diameter of exhaust hole, the position that is connected with exhaust hole of protection through hole is provided with the waterproof and breathable structure for isolating seal cavity and hull outside formed with mounting platform on mounting platform.Battery bag provided by the utility model, on the premise of the sealing of battery bag interior waterproof is ensured, the connection with hull outside air is realized, caused gas in battery bag can be expelled to hull outside in time, prevent that battery bag air pressure inside is too high, ensure the safety in utilization and service life of battery bag.
Description
Technical field
It the utility model is related to electrokinetic cell field, more particularly to a kind of battery bag.
Background technology
Relatively broad new-energy automobile field is used in electrokinetic cell field, particularly electrokinetic cell, electrokinetic cell
Security performance, it is that people compare concern always, and input research and development are wanted to solve the problems, such as energetically always for each manufacturer.It is special
It is not electrokinetic cell in the case of relatively extreme, inside can produce substantial amounts of heat, so as to cause inside battery inflation, hair
Drum, or even blast；How to solve the exhausting problem of electrokinetic cell in extreme cases well, i.e., how to resolve electrokinetic cell
Pressure release problem under extreme situation, it is the emphasis for influenceing an electrokinetic cell safe handling place.
In the prior art, it is general using air bleeding valve is set on cell, a large amount of gases are produced inside cell
When, air bleeding valve is opened, and gas is discharged, so as to ensure security that cell uses.But in the prior art, due to dynamic
The use environment of power battery is all the environment without being sealed to battery bag or battery modules；In other words, battery bag
Shell is open, is connected with outside atmosphere, therefore it may only be necessary to air bleeding valve be set on cell, in extreme situation
Under, the gas inside cell is discharged, outside natural can discharge battery bag.
But use field in some special electrokinetic cells, such as it is underwater or other need battery bag is whole
In the environment of inclusion is sealed, set air bleeding valve obviously inadequate only on cell；The gas of cell discharge, can not
Disconnected is gathered in inside battery bag body, when battery bag body air pressure inside reaches certain limit, by cause inclusion rupture or
Damage.
The content of the invention
The purpose of this utility model is to provide a kind of battery bag, it is intended to solves the battery bag used under specific condition, shell
Internal portion is seal cavity, when air pressure inside is excessive, and gas can not discharge in time, the technology of damage can be caused to ask to battery bag
Topic.
In order to solve the above technical problems, the technical solution of the utility model is：
The invention provides a kind of battery bag, including：
Housing, the enclosure interior is formed with seal cavity；
Some cells, some cells are arranged in the seal cavity of the enclosure interior；
Positive pole leading-out terminal, is arranged on housing, is drawn for positive pole；
Negative pole leading-out terminal, is arranged on housing, is drawn for negative pole；
At least one in the positive pole leading-out terminal and negative pole leading-out terminal is column leading-out terminal, the column terminal
Inside is provided with interconnected protection through hole and exhaust hole, and the protection through hole connects with hull outside, the exhaust hole
Connected with the seal cavity；The internal diameter of the protection through hole is more than the internal diameter of the exhaust hole, the protection through hole and institute
The position of exhaust hole connection is stated formed with mounting platform, be provided with the mounting platform for isolate the seal cavity and
The waterproof and breathable structure of hull outside.
In some embodiments, the protection structure for protecting the waterproof and breathable structure is provided with the protection through hole,
The protection structure is covered in the outside of the waterproof and breathable structure.
In some embodiments, the protection structure is with meshed filter net sheet.
In some embodiments, the filter net sheet is welded on the column leading-out terminal.
In some embodiments, insulating sealer is provided between the column leading-out terminal and the housing.
In some embodiments, the waterproof and breathable structure includes waterproof ventilated membrane and supporting construction, is tied by the support
The waterproof ventilated membrane is fixed on the mounting platform by structure.
In some embodiments, the waterproof ventilated membrane is pasted with the supporting construction to be connected.
In some embodiments, the supporting construction is that the annular slice body of hollow bulb, the waterproof and breathable are carried among one
Film covers the hollow bulb, and the hollow bulb is set with the exhaust hole face.
The beneficial effects of the utility model：Battery bag provided by the utility model, by the positive pole leading-out terminal of battery bag and
At least one of negative pole leading-out terminal is arranged to column leading-out terminal, by protecting through hole, exhaust hole on column leading-out terminal
With the cooperation of waterproof and breathable structure, on the premise of the sealing of battery bag interior waterproof is ensured, the company with hull outside air is realized
It is logical, caused gas in battery bag can be expelled to hull outside in time, prevent that battery bag air pressure inside is too high, ensure battery
The safety in utilization and service life of bag.
Brief description of the drawings
Fig. 1 is the structural representation that column leading-out terminal is combined with housing in the utility model one embodiment.
Fig. 2 is the structure of another angle of column leading-out terminal and shell structure in the utility model one embodiment
Schematic diagram.
Fig. 3 is the schematic cross-section of column leading-out terminal in the utility model another embodiment.
Fig. 4 is the diagrammatic cross-section of column leading-out terminal and shell structure in the utility model one embodiment.
Fig. 5 is the structural representation of waterproof and breathable structure in the utility model one embodiment.
Fig. 6 is the overall structure diagram of battery bag in the utility model one embodiment.
Reference includes：
Housing 10；Column leading-out terminal 20；Protect through hole 201；Exhaust hole 202；Mounting platform 203；Waterproof and breathable knot
Structure 204；Waterproof ventilated membrane 2041；Supporting construction 2042；Hollow bulb 2043；Protection structure 205；Insulating sealer 30.
Embodiment
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 the description of accompanying drawing 1 ~ 6 is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In description of the present utility model, it is to be understood that term " length ", " width ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached
Orientation or position relationship shown in figure, it is for only for ease of and describes the utility model and simplify to describe, rather than instruction or hint
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of 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 one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, 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.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In order to solve in battery bag of the prior art, when the inner space of housing 10 is seal cavity, inside housing 10
Gas can not discharge in time, the technical problem adversely affected to battery bag.
In one embodiment of the present utility model, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, battery bag includes housing 10, some
Cell, positive pole leading-out terminal and negative pole leading-out terminal.
Wherein, in order to which battery bag can use under some water proof environments, the housing 10 of above-mentioned battery bag has been internally formed
Seal cavity.In the utility model and all embodiments, the implication of above-mentioned " seal cavity " refers on the housing 10, except setting
The position of column leading-out terminal 20 is put, other parts are all closings；Only the position of column leading-out terminal 20 is being set, can
Gas connection is carried out by column leading-out terminal 20 and the outside of housing 10, meanwhile, there is water-proof function again.
Cell is all in the seal cavity inside housing 10, to realize sealing and the waterproof to cell
Purpose.
Cell, can be with connected in series or in parallel inside seal cavity；Fixation of the cell in seal cavity
Mode, can be that screw such as fixes, pasted at all connections possible in the prior art, the fixed form., can be first by shell during making
Body 10 makes the pentahedron of upper end open, and then cell arrangement is arranged in the cavity of pentahedron, finally covers lid,
Form complete seal cavity.
On housing 10, positive pole leading-out terminal and negative pole leading-out terminal are provided with, positive pole leading-out terminal is used for whole battery bag
Positive pole draw, negative pole leading-out terminal be used for whole battery bag negative pole draw.
In order to realize the gas connection of the seal cavity of battery bag and the exterior space of housing 10, above-mentioned positive pole leading-out terminal and
It is at least one to be arranged to column leading-out terminal 20 in negative pole leading-out terminal.As shown in figure 3, on the column leading-out terminal 20, open
There are interconnected protection through hole 201 and exhaust hole 202, protection through hole 201 and the ft connection of housing 10, exhaust hole 202
Connected with seal cavity；Protect the internal diameter of through hole 201 to be more than the internal diameter of exhaust hole 202, protect through hole 201 and exhaust hole
The positions of 202 connections are provided with outside for isolating seal cavity and housing 10 on mounting platform 203 formed with mounting platform 203
The waterproof and breathable structure 204 in portion.
In the utility model, above-mentioned " isolation " is meant that, the waterproof and breathable structure 204 can realize seal cavity with
The gas connection of the exterior space of housing 10, i.e., can realize exhaust；Meanwhile the and can of waterproof and breathable structure 204 enough prevents battery
Water constituent outside bag is entered inside the housing 10 of battery bag, that is, prevents water from entering inside above-mentioned seal cavity.It so, it is possible
Realize use of the battery bag under some specific conditions, than as used in water or other need to battery bag carry out waterproofing design
Environment in；Meanwhile and can enough produces gas inside battery bag, in the case of air pressure is increased, by the sealing inside battery bag
Gas in cavity is expelled to the outside of battery pack housing 10, realizes seal cavity and the outside atmosphere of housing 10 inside battery bag
The pressure balance of pressure, ensure the security that battery bag uses and increase the service life.
During the use of battery bag, during cell discharge and recharge, a certain amount of gas can be produced, is especially entered in battery
During row high power charging-discharging, internal temperature of battery can raise rapidly, and maximum temperature can be more than 120 DEG C；Generally, in battery
Portion is non-vacuum environment, inside battery pack housing 10（In above-mentioned seal cavity）, can expanded by heating when air be present；In addition,
, also can be to discharging a certain amount of gas inside battery pack housing 10 after cell is opened because of the too high explosion-proof valve of temperature or relief valve
Body.Because under water proof environment, battery bag is sealing, i.e., above-mentioned seal cavity, housing 10 is in itself can not be by caused gas
Outside body discharge battery bag；If the gas inside battery pack housing 10 can not be discharged in time, inside battery pack housing 10
Pressure can constantly raise, it is excessive that these pressure may result in the internal pressure of battery pack housing 10, even results in blast, influences
Battery safety in utilization and service life.
In the utility model, above-mentioned gas can be by from inside to outside successively by exhaust hole 202, waterproof and breathable knot
Structure 204 and protection through hole 201 are expelled to the exterior space of housing 10；Meanwhile the and can of waterproof and breathable structure 204 is enough played and prevented well
Water acts on.Battery bag is being realized on the premise of use in the environment of needing waterproof sealing, is ensureing that the internal gas of battery bag can
Discharge in time, improve battery bag safety in utilization and service life.
In one embodiment of the present utility model, as shown in Figure 3 and Figure 4, protection through hole 201 is located at column leading-out terminal
20 outside, exhaust hole 202 are located at the inner side of column leading-out terminal 20, and herein inside and outside is the housing 10 for battery bag
For the internal and outside of housing 10.The internal diameter for protecting through hole 201 is set greater than to the internal diameter of exhaust hole 202, in this way, just
Mounting platform 203 can be formed in the position that protection through hole 201 connects with exhaust hole 202, for waterproof and breathable structure 204
Installation.Above-mentioned " position that protection through hole 201 connects with exhaust hole 202 " is referred to from protection through hole 201 to exhaust hole
The position of 202 transition, or it is said to be the contact position of protection through hole 201 and exhaust hole 202.
Above-mentioned protection through hole 201 is located at the outside of exhaust hole 202, when the setting waterproof and breathable knot on mounting platform 203
After structure 204, protection structure 205 can be set in protection through hole 201, for protecting waterproof and breathable structure 204.
In order to play a part of waterproof and breathable, waterproof and breathable structure 204 must cover above-mentioned exhaust hole 202, in this way, through
Cross the gas of exhaust hole 202, it is necessary to by waterproof and breathable structure 204, can just enter protection through hole 201, and then be expelled to
The exterior space of housing 10；Pressure release exhaust is realized, while is also prevented from outside moisture and is entered through exhaust hole 202 in housing 10
Portion.
In one embodiment of the present utility model, as shown in figure 4, in order to be played a protective role to waterproof and breathable structure 204,
The protection structure 205 for protecting waterproof and breathable structure 204 is provided with protection through hole 201, the protection structure 205 is covered in
The outside of waterproof and breathable structure 204.It so, it is possible to protect waterproof and breathable structure 204, be also possible to prevent external dust and enter waterproof
On ventilating structure 204, the perforate blocked on waterproof and breathable structure 204 avoids waterproof and breathable structure 204 from failing, and further improves
Integrally-built stability.
In one embodiment of the present utility model, above-mentioned protection structure 205 is used with meshed filter net sheet, such as
Metal filtration mesh sheet.In this embodiment, the mesh very little on filter net sheet, it is logical on the one hand to prevent that external dust from entering protection
Inside hole 201, the normal use of waterproof and breathable structure 204 is influenceed；On the other hand also it is the discharge of gas, there is provided passage.
In another embodiment, above-mentioned filter net sheet can be welded on column leading-out terminal 20.More specifically, filter
Mesh sheet is fixedly mounted in above-mentioned protection through hole 201.
In this way, the gas inside battery bag, from inside to outside successively by exhaust hole 202, waterproof and breathable structure 204, guarantor
Shield through hole 201 and above-mentioned mesh are expelled to the exterior space of housing 10.
In one embodiment of the present utility model, as shown in figure 4, in order to ensure column leading-out terminal 20 and battery container
Insulation between 10, insulating sealer 30 is provided between column leading-out terminal 20 and housing 10.
As shown in figure 5, in one embodiment of the present utility model, waterproof and breathable structure 204 includes waterproof ventilated membrane 2041
With supporting construction 2042, waterproof and breathable structure 204 is fixedly mounted on above-mentioned mounting platform 203 by supporting construction 2042.
Because waterproof ventilated membrane 2041 is general all than relatively thin, can not directly be fixed on mounting platform 203；Cause
Then this is consolidated by supporting construction 2042, it is necessary to be first combined waterproof ventilated membrane 2041 with a supporting construction 2042
It is scheduled on mounting platform 203.Generally, waterproof ventilated membrane 2041 be all located at supporting construction 2042 and mounting platform 203 it
Between, in clamped shape, to improve the mounting stability of waterproof ventilated membrane 2041 and use reliability.
Generally, it is this typically than relatively thin diaphragm for waterproof ventilated membrane 2041, preferably it is affixed to support
In structure 2042；It is fixed on by supporting construction 2042 on mounting platform 203, waterproof ventilated membrane 2041 is clamped and is fixed on branch
Between support structure 2042 and mounting platform 203.
As shown in Figure 4 and Figure 5, in one embodiment of the present utility model, above-mentioned exclusive through hole is manhole, in this way,
Supporting construction 2042 is fabricated to the middle annular slice body for carrying circular hollow portion 2043, waterproof ventilated membrane 2041 is covered
Hollow bulb 2043 is stated, then hollow bulb 2043 is directed at above-mentioned exhaust hole 202 and installed, to realize that supporting construction 2042 is flat with installation
Platform 203 is fixedly connected, while also achieves the function of waterproof ventilated membrane 2041.
In one embodiment of the present utility model, protection through hole is manhole, and exhaust hole is manhole；Column
Leading-out terminal is coaxially disposed with exhaust hole and protection through hole.
Understand that the utility model is to have above-described good characteristic in summary, be able to make it using upper, enhancement
The efficiency that does not have in conventional art and there is practicality, turn into the product of a great practical value.
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 or improvement made within the thought and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
- A kind of 1. battery bag, it is characterised in that including：Housing, the enclosure interior is formed with seal cavity；Some cells, some cells are arranged in the seal cavity of the enclosure interior；Positive pole leading-out terminal, is arranged on housing, is drawn for positive pole；Negative pole leading-out terminal, is arranged on housing, is drawn for negative pole；At least one in the positive pole leading-out terminal and negative pole leading-out terminal is column leading-out terminal, the column leading-out terminal Inside is provided with interconnected protection through hole and exhaust hole, and the protection through hole connects with hull outside, the exhaust hole Connected with the seal cavity；The internal diameter of the protection through hole is more than the internal diameter of the exhaust hole, the protection through hole and institute The position of exhaust hole connection is stated formed with mounting platform, be provided with the mounting platform for isolate the seal cavity and The waterproof and breathable structure of hull outside.
- 2. battery bag according to claim 1, it is characterised in that be provided with the protection through hole described anti-for protecting The protection structure of water ventilating structure, the protection structure are covered in the outside of the waterproof and breathable structure.
- 3. battery bag according to claim 2, it is characterised in that the protection structure is with meshed filter net sheet.
- 4. battery bag according to claim 3, it is characterised in that the filter net sheet is welded on the column leading-out terminal On.
- 5. battery bag according to claim 1, it is characterised in that set between the column leading-out terminal and the housing There is insulating sealer.
- 6. according to the battery bag described in claim 1 to 5 any one, it is characterised in that the waterproof and breathable structure includes anti- Water ventilated membrane and supporting construction, the waterproof ventilated membrane is fixed on the mounting platform by the supporting construction.
- 7. battery bag according to claim 6, it is characterised in that the waterproof ventilated membrane is pasted with the supporting construction to be connected Connect.
- 8. battery bag according to claim 6, it is characterised in that the supporting construction is that the ring of hollow bulb is carried among one Shape plates, the waterproof ventilated membrane cover the hollow bulb, and the hollow bulb is set with the exhaust hole face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720927669.4U CN207097909U (en) | 2017-07-28 | 2017-07-28 | A kind of battery bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720927669.4U CN207097909U (en) | 2017-07-28 | 2017-07-28 | A kind of battery bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097909U true CN207097909U (en) | 2018-03-13 |
Family
ID=61546637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720927669.4U Expired - Fee Related CN207097909U (en) | 2017-07-28 | 2017-07-28 | A kind of battery bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097909U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216912A (en) * | 2020-01-20 | 2021-01-12 | 蜂巢能源科技有限公司 | Batteries, battery packs and vehicles |
| CN112909400A (en) * | 2020-09-15 | 2021-06-04 | 锂元素动力有限公司 | Battery pack having a plurality of battery cells |
| USD922938S1 (en) | 2018-05-21 | 2021-06-22 | Techtronic Floor Care Technology Limited | Battery |
| CN114554743A (en) * | 2020-11-27 | 2022-05-27 | 北京亿华通科技股份有限公司 | Waterproof ventilative device and electrical equipment |
| WO2024212680A1 (en) * | 2023-04-12 | 2024-10-17 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electric device |
| WO2025245967A1 (en) * | 2024-05-30 | 2025-12-04 | 惠州亿纬锂能股份有限公司 | Battery case gas-discharging structure and battery case |
-
2017
- 2017-07-28 CN CN201720927669.4U patent/CN207097909U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD922938S1 (en) | 2018-05-21 | 2021-06-22 | Techtronic Floor Care Technology Limited | Battery |
| USD973017S1 (en) | 2018-05-21 | 2022-12-20 | Techtronic Floor Care Technology Limited | Battery |
| CN112216912A (en) * | 2020-01-20 | 2021-01-12 | 蜂巢能源科技有限公司 | Batteries, battery packs and vehicles |
| CN112216912B (en) * | 2020-01-20 | 2022-04-29 | 蜂巢能源科技有限公司 | Battery, battery pack, and vehicle |
| CN112909400A (en) * | 2020-09-15 | 2021-06-04 | 锂元素动力有限公司 | Battery pack having a plurality of battery cells |
| CN114554743A (en) * | 2020-11-27 | 2022-05-27 | 北京亿华通科技股份有限公司 | Waterproof ventilative device and electrical equipment |
| CN114554743B (en) * | 2020-11-27 | 2023-10-03 | 北京亿华通科技股份有限公司 | Waterproof ventilation device and electrical equipment |
| WO2024212680A1 (en) * | 2023-04-12 | 2024-10-17 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electric device |
| JP2025537860A (en) * | 2023-04-12 | 2025-11-20 | 寧徳時代新能源科技股▲分▼有限公司 | Battery cells, batteries and power consuming devices |
| WO2025245967A1 (en) * | 2024-05-30 | 2025-12-04 | 惠州亿纬锂能股份有限公司 | Battery case gas-discharging structure and battery case |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |