CN208781989U - Convenient for the cylinder type lithium battery of heat dissipation - Google Patents
Convenient for the cylinder type lithium battery of heat dissipation Download PDFInfo
- Publication number
- CN208781989U CN208781989U CN201821373019.0U CN201821373019U CN208781989U CN 208781989 U CN208781989 U CN 208781989U CN 201821373019 U CN201821373019 U CN 201821373019U CN 208781989 U CN208781989 U CN 208781989U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- heat
- dissipation channel
- battery case
- battery
- 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
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 116
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
- 238000004804 winding Methods 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
- Secondary Cells (AREA)
Abstract
The utility model relates to a kind of cylinder type lithium battery convenient for heat dissipation, including battery core, battery case, battery case both ends are equipped with anode end cap and cathode end cap, and the shape of battery core is the cylinder being adapted with battery case；The center of battery core is equipped with heat dissipation channel, and the upper end of heat dissipation channel is located at below anode end cap, and the lower end of heat dissipation channel is located at the negative pole end side of covering；The top and bottom of heat dissipation channel are respectively equipped with auxiliary heat dissipation channel and lower auxiliary heat dissipation channel, and upper auxiliary heat dissipation channel and lower auxiliary heat dissipation channel are connected with heat dissipation channel；Upper auxiliary heat dissipation channel and lower accessory channel include several heat-dissipating pipes, and heat-dissipating pipe is radially arranged radially in around heat dissipation channel, and heat-dissipating pipe extends to battery case, and battery case is equipped with several heat release holes corresponding with heat-dissipating pipe；Battery core periphery is equipped with heat dissipating layer；Heat dissipating layer includes projection in the laciniation of battery core periphery and the heat conductive silica gel being filled in laciniation.Heat dissipation effect is preferable.
Description
Technical field
The utility model belongs to battery technology field, and in particular to a kind of cylinder type lithium battery convenient for heat dissipation.
Background technique
Cylinder type lithium battery has many advantages, such as that specific energy is high, power is big, low temperature performance well, in military, industry and civilian neck
There is wide application in domain.Earliest cylinder type lithium battery is by Japanese Sony Corporation in the 18650 of utility model in 1992
Lithium battery, because the history of 18650 cylinder type lithium batteries is quite long, the popularity rate in market is very high, cylindrical lithium electricity
Pond passes stay in grade, advantage of lower cost using quite mature winding process, high degree of automation, product.With electronic vapour
The further expansion of car market and the continuous promotion required course continuation mileage, vehicle enterprise is to power battery in energy density, system
Sheet, cycle life and product adeditive attribute etc. is caused to made higher requirement.
The safety issue of cylinder type lithium battery is also of increasing concern, in the case where lithium battery is used for a long time, due to
Battery short circuit, internal temperature of battery, which suddenly increases, leads to thermal runaway, and inside battery air pressure increases, and high temperature and high pressure is all easily led
Cause battery explosion.In addition, cylinder type lithium battery can also generate heat, existing cylinder type lithium battery during charging and discharging
Heat dissipation effect is poor, will appear fever phenomenon during charging and discharging.
Utility model content
The purpose of the utility model is to provide a kind of cylinder type lithium batteries convenient for heat dissipation to solve existing cylindrical lithium
The poor technical problem of battery heat dissipation effect.
In order to achieve the goal above, the technical solution that the utility model is taken are as follows: convenient for the cylinder type lithium battery of heat dissipation, packet
Battery core, battery case are included, battery case both ends are equipped with anode end cap and cathode end cap, and the shape of battery case is cylinder, electricity
The shape of core is the cylinder being adapted with battery case；The center of battery core is equipped with the heat dissipation channel for heat dissipation, heat dissipation
Channel is surrounded by metal tube, and the upper end of heat dissipation channel is located at below anode end cap, and the lower end of heat dissipation channel is covered positioned at negative pole end
Side；The top and bottom of heat dissipation channel are respectively equipped with auxiliary heat dissipation channel and lower auxiliary heat dissipation channel, upper auxiliary heat dissipation channel
It is connected with lower auxiliary heat dissipation channel with heat dissipation channel；Upper auxiliary heat dissipation channel and lower accessory channel include several heat dissipations
Pipe, heat-dissipating pipe are radially arranged radially in around heat dissipation channel, and heat-dissipating pipe extends to battery case, if battery case is equipped with
Dry heat release hole corresponding with heat-dissipating pipe；Battery core periphery is equipped with heat dissipating layer, and heat dissipating layer is filled between battery core and battery case；It dissipates
Thermosphere includes projection in the laciniation of battery core periphery and the heat conductive silica gel being filled in laciniation.
The cylinder type lithium battery convenient for heat dissipation of the utility model, heat dissipation channel extend to battery case from battery case upper end
Body lower end, the heat convenient for the cylinder type lithium battery generation of heat dissipation inwardly shed out of heat dissipation channel.Upper auxiliary heat dissipation channel and
Lower auxiliary heat dissipation channel is connected to heat dissipation channel, and heat sheds from upper auxiliary heat dissipation channel and lower auxiliary heat dissipation channel, and leads to
Heat release hole is crossed to shed to outside the cylinder type lithium battery convenient for heat dissipation.Heat conductive silica gel, heat dissipation are filled between battery core and battery case
Effect is preferable.
Further, the zigzag mechanism is the uneven structure being arranged between battery core and battery case inner wall,
Uneven structure includes lug boss and recessed portion, and heat conductive silica gel is filled in recessed portion.Heat conductive silica gel is filled in battery core and battery
Between shell, improve the heat dissipation performance of the cylinder type lithium battery convenient for heat dissipation.Lug boss and recessed portion can increasing heat radiation areas.
Further, the top and bottom of the battery case are equipped with annular recess, and heat release hole is arranged in annular recess
Portion.Heat release hole setting prevents foreign matter from entering and blocking heat release hole, radiates convenient for heat release hole in heat dissipation groove.
Further, be sticked outside the battery case several for increase battery case surface area fin.
Fin can increase the surface area of battery case, improve the heat dissipation effect of the cylinder type lithium battery convenient for heat dissipation.
Further, in a ring, annular fin is set in outside battery case the fin, and fin is along battery case axis
Line is uniformly distributed；Fin with a thickness of 0.1~2mm.The fin of annular covers outside battery case, molding easy to process, reduces
Production cost.
Further, the heat-dissipating pipe extends at heat release hole and heat release hole edge along the radially uniform distribution of battery core, heat-dissipating pipe
The radially uniform distribution of battery case.Heat-dissipating pipe is uniformly distributed, convenient for shedding even heat.
Further, in the cavity that the upper auxiliary heat dissipation channel is arranged in battery core upper end and battery case surrounds, under it is auxiliary
It helps in the cavity that battery core lower end is arranged in heat dissipation channel and battery case surrounds.Upper auxiliary heat dissipation channel and lower auxiliary heat dissipation channel
The top and bottom of battery core, the simple easy processing production of structure are set.
Further, the center of several heat-dissipating pipes in the upper auxiliary heat dissipation channel is equipped with upper support seat, upper support seat
Including the upper lantern ring for being set on metal tube and be arranged at the top of upper lantern ring for sealing the upper capping of upper lantern ring, on
Lantern ring and upper capping are integrally formed, and upper lantern ring is equipped with several upper through-holes for being used to be connected to heat-dissipating pipe, metal tube and upper set
Ring is integrally formed；The center of several heat-dissipating pipes in lower auxiliary heat dissipation channel is equipped with lower support base, and lower support base includes for covering
The lower collar being located on metal tube and the lower capping for being used to seal lower collar being arranged at the top of lower collar, lower collar and lower envelope
Lid is integrally formed, and lower collar is equipped with several lower through-holes for being used to be connected to heat-dissipating pipe, and metal tube and lower collar are integrally formed.
The structure that upper support seat is matched with upper lantern ring, the structure production easy to process that lower support base is matched with lower collar
Further, the top and bottom of the metal tube cooperate with upper lantern ring and lower collar sealing respectively.Prevent heat
It arbitrarily scatters and disappears to the cylinder type lithium battery convenient for heat dissipation.
Detailed description of the invention
Fig. 1 is in embodiment 1 convenient for the cylinder type lithium battery structural schematic diagram of heat dissipation；
Fig. 2 is upper auxiliary heat dissipation channel design schematic diagram in embodiment 1；
Fig. 3 is lower auxiliary heat dissipation channel design schematic diagram in embodiment 1；
Fig. 4 is upper auxiliary heat dissipation channel design top view in embodiment 1；
Fig. 5 is lower auxiliary heat dissipation channel design bottom view in embodiment 1.
In figure: 100, battery core；110, heat dissipating layer；111, laciniation；112, heat conductive silica gel；200, battery case；
210, anode end cap；220, cathode end cap；230, upper heat release hole；240, lower heat release hole；250, upper annular groove；260, lower ring-type
Groove；270, fin；300, heat dissipation channel；400, upper auxiliary heat dissipation channel；410, upper heat-dissipating pipe；420, upper support seat；421,
Upper lantern ring；422, upper capping；500, lower auxiliary heat dissipation channel；510, lower heat-dissipating pipe；520, lower support base；521, lower collar；
522, lower capping.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
It is as shown in Figs. 1-5 convenient for the embodiment of the cylinder type lithium battery of heat dissipation in the utility model.
Embodiment 1
The cylinder type lithium battery convenient for heat dissipation of the present embodiment, including battery core 100, battery case 200, battery case 200
Both ends are equipped with anode end cap 210 and cathode end cap 220, and the shape of battery case 200 is cylinder, the shape of battery core 100 be with
The adaptable cylinder of battery case.
The center of battery core 100 is equipped with the heat dissipation channel 300 for heat dissipation, and heat dissipation channel is surrounded by metal tube, heat dissipation
The upper end in channel is located at below anode end cap, and the lower end of heat dissipation channel is located at the negative pole end side of covering.The upper end of heat dissipation channel is under
End is respectively equipped with auxiliary heat dissipation channel 400 and lower auxiliary heat dissipation channel 500, upper auxiliary heat dissipation channel and lower auxiliary heat dissipation channel
It is connected with heat dissipation channel.In the cavity that battery core upper end is arranged in upper auxiliary heat dissipation channel and battery case surrounds, lower auxiliary dissipates
In the cavity that battery core lower end is arranged in the passage of heat and battery case surrounds.
Upper auxiliary heat dissipation channel 400 and lower accessory channel 500 respectively include three upper heat-dissipating pipes 410 and three lower heat-dissipating pipes
510, upper heat-dissipating pipe and lower heat-dissipating pipe are radially arranged radially in around heat dissipation channel 300.Upper heat-dissipating pipe 410 and it is lower dissipate
Heat pipe 510 is along the radially uniform distribution of battery core 100.Upper heat-dissipating pipe 410 and lower heat-dissipating pipe 510 all extend to battery case 200, electricity
Pond shell 200 is equipped with upper heat release hole 230 corresponding with upper heat-dissipating pipe 410 and lower heat-dissipating pipe 510 and lower heat release hole 240.Upper heat dissipation
Pipe and lower heat-dissipating pipe each extend at supreme heat release hole and lower heat release hole and upper heat release hole and lower heat release hole are along battery case radial direction
It is uniformly distributed.The top and bottom of battery case are respectively equipped with upper annular groove 250 and lower annular recess 260, upper heat release hole and
Lower heat release hole is separately positioned on inside upper annular groove and lower annular recess.
The center of the upper heat-dissipating pipe 410 of three of upper auxiliary heat dissipation channel 400 is equipped with upper support seat 420, and upper support seat includes
Upper lantern ring 421 for being set on metal tube and be arranged at the top of upper lantern ring for sealing the upper capping 422 of upper lantern ring,
Upper lantern ring and upper capping are integrally formed, and are set on upper lantern ring there are three the upper through-hole (not shown) for being connected to heat-dissipating pipe,
Metal tube and upper lantern ring are integrally formed.The center of the lower heat-dissipating pipe 510 of three of lower auxiliary heat dissipation channel 500 is equipped with lower support base
520, lower support base 520 include lower collar 521 for being set on metal tube and be arranged at the top of lower collar for close
The lower capping 522 of lower collar is sealed, lower collar and lower capping be integrally formed, and sets that there are three be used to be connected to heat-dissipating pipe in lower collar
Lower through-hole (not shown), metal tube and lower collar are integrally formed.
100 periphery of battery core is equipped with heat dissipating layer 110, and heat dissipating layer is filled between battery core and battery case.Heat dissipating layer 110 includes
Laciniation 111 and the heat conductive silica gel 112 that is filled in laciniation of the projection in battery core periphery.Zigzag mechanism is
Uneven structure between battery core and battery case inner wall is set, and uneven structure includes lug boss and recessed portion, is led
Hot silicone filler is in recessed portion.
It is sticked outside battery case 200 multiple for increasing the fin 270 of the surface area of battery case.Fin can increase
The surface area of battery case improves the heat dissipation effect of the cylinder type lithium battery convenient for heat dissipation.Fin in a ring, annular fin set
It is located at outside battery case, fin is uniformly distributed along battery case axis.Fin with a thickness of 2mm.The fin of annular is covered in electricity
Pond hull outside, molding easy to process reduce production cost.
Embodiment 2
The described cylinder type lithium battery convenient for heat dissipation of the present embodiment, general configuration and embodiment 1 are consistent, but with
Embodiment 1 is not both: upper auxiliary heat dissipation channel and lower accessory channel include six heat-dissipating pipes, and heat-dissipating pipe is radially radially
It is arranged around heat dissipation channel.
Embodiment 3
The described cylinder type lithium battery convenient for heat dissipation of the present embodiment, general configuration and embodiment 1 are consistent, but with
Embodiment 1 is not both: in a ring, annular fin is set in outside battery case fin, and fin is uniform along battery case axis
Distribution.Fin with a thickness of 1mm.
Claims (9)
1. convenient for the cylinder type lithium battery of heat dissipation, including battery core, battery case, battery case both ends are equipped with anode end cap and cathode
End cap, which is characterized in that the shape of battery case is cylinder, and the shape of battery core is the cylinder being adapted with battery case；
The center of battery core is equipped with the heat dissipation channel for heat dissipation, and heat dissipation channel is surrounded by metal tube, and the upper end of heat dissipation channel is located at
Below anode end cap, the lower end of heat dissipation channel is located at the negative pole end side of covering；The top and bottom of heat dissipation channel are respectively equipped with auxiliary
Heat dissipation channel and lower auxiliary heat dissipation channel are helped, upper auxiliary heat dissipation channel and lower auxiliary heat dissipation channel are connected with heat dissipation channel；On
Auxiliary heat dissipation channel and lower accessory channel include several heat-dissipating pipes, and heat-dissipating pipe is radially arranged radially in heat dissipation channel
Around, heat-dissipating pipe extends to battery case, and battery case is equipped with several heat release holes corresponding with heat-dissipating pipe；Battery core periphery is equipped with
Heat dissipating layer, heat dissipating layer are filled between battery core and battery case；Heat dissipating layer include projection battery core periphery laciniation with
And it is filled in the heat conductive silica gel in laciniation.
2. the cylinder type lithium battery according to claim 1 convenient for heat dissipation, which is characterized in that the zigzag mechanism is to set
Set the uneven structure between battery core and battery case inner wall, uneven structure includes lug boss and recessed portion, thermally conductive
Silicone filler is in recessed portion.
3. the cylinder type lithium battery according to claim 1 convenient for heat dissipation, which is characterized in that the upper end of the battery case
It is equipped with annular recess with lower end, heat release hole is arranged inside annular recess.
4. the cylinder type lithium battery according to claim 1 convenient for heat dissipation, which is characterized in that patch outside the battery case
Fin equipped with several surface areas for being used to increase battery case.
5. it is according to claim 4 convenient for heat dissipation cylinder type lithium battery, which is characterized in that the fin in a ring, ring
The fin of shape is set in outside battery case, and fin is uniformly distributed along battery case axis；Fin with a thickness of 0.1~2mm.
6. the cylinder type lithium battery according to claim 1 convenient for heat dissipation, which is characterized in that the heat-dissipating pipe is along battery core diameter
To being uniformly distributed, heat-dissipating pipe is extended at heat release hole and heat release hole is along the radially uniform distribution of battery case.
7. the cylinder type lithium battery according to claim 1 convenient for heat dissipation, which is characterized in that the upper auxiliary heat dissipation channel
It is arranged in the cavity that battery core upper end is surrounded with battery case, the setting of lower auxiliary heat dissipation channel is enclosed in battery core lower end with battery case
At cavity in.
8. the cylinder type lithium battery according to claim 1 or claim 7 convenient for heat dissipation, which is characterized in that the upper auxiliary heat dissipation
The center of several heat-dissipating pipes in channel is equipped with upper support seat, upper support seat include the upper lantern ring for being set on metal tube with
And the upper capping for being used to seal lantern ring at the top of upper lantern ring is set, upper lantern ring and upper capping are integrally formed, and are set on upper lantern ring
The upper through-hole for having several to be used to be connected to heat-dissipating pipe, metal tube and upper lantern ring are integrally formed；Lower auxiliary heat dissipation channel it is several
The center of a heat-dissipating pipe is equipped with lower support base, and lower support base includes lower collar for being set on metal tube and is arranged under
The lower capping for being used to seal lower collar at the top of lantern ring, lower collar and lower capping are integrally formed, and lower collar is equipped with several use
In the lower through-hole being connected to heat-dissipating pipe, metal tube and lower collar are integrally formed.
9. it is according to claim 8 convenient for heat dissipation cylinder type lithium battery, which is characterized in that the upper end of the metal tube and
Lower end cooperates with upper lantern ring and lower collar sealing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373019.0U CN208781989U (en) | 2018-08-24 | 2018-08-24 | Convenient for the cylinder type lithium battery of heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373019.0U CN208781989U (en) | 2018-08-24 | 2018-08-24 | Convenient for the cylinder type lithium battery of heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208781989U true CN208781989U (en) | 2019-04-23 |
Family
ID=66158215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821373019.0U Expired - Fee Related CN208781989U (en) | 2018-08-24 | 2018-08-24 | Convenient for the cylinder type lithium battery of heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208781989U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832232A (en) * | 2018-08-24 | 2018-11-16 | 德朗能（张家港）动力电池有限公司 | Convenient for the cylinder type lithium battery of heat dissipation |
| CN110429345A (en) * | 2019-08-05 | 2019-11-08 | 安徽相源新能源有限公司 | A kind of polymer lithium battery core and its manufacturing method |
| CN112103409A (en) * | 2019-06-17 | 2020-12-18 | 北京好风光储能技术有限公司 | Three-section type battery shell |
-
2018
- 2018-08-24 CN CN201821373019.0U patent/CN208781989U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832232A (en) * | 2018-08-24 | 2018-11-16 | 德朗能（张家港）动力电池有限公司 | Convenient for the cylinder type lithium battery of heat dissipation |
| CN112103409A (en) * | 2019-06-17 | 2020-12-18 | 北京好风光储能技术有限公司 | Three-section type battery shell |
| CN112103409B (en) * | 2019-06-17 | 2023-05-26 | 北京好风光储能技术有限公司 | Three-section type battery shell |
| CN110429345A (en) * | 2019-08-05 | 2019-11-08 | 安徽相源新能源有限公司 | A kind of polymer lithium battery core and its manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208781989U (en) | Convenient for the cylinder type lithium battery of heat dissipation | |
| CN109509932A (en) | Battery thermal management | |
| CN108110171B (en) | Cylindrical power battery module | |
| CN108832232A (en) | Convenient for the cylinder type lithium battery of heat dissipation | |
| CN210692618U (en) | Battery radiator of pure electric vehicle | |
| CN206639837U (en) | A kind of guard box for automobile battery jar | |
| CN206312981U (en) | Battery box structure | |
| CN203286531U (en) | Bulb radiating outer shell | |
| CN204130661U (en) | A kind of electrokinetic cell | |
| CN208904088U (en) | A kind of battery modules and its carrying shell | |
| CN204760439U (en) | Heat dissipation battery box | |
| CN108736098B (en) | Bottom liquid cooling battery module with high energy density | |
| CN210723106U (en) | Graphene heat-proof battery | |
| US20220158266A1 (en) | Nested structure lithium ion battery capable of reducing risk of thermal runaway | |
| CN211017180U (en) | Multi-protection safety lithium battery | |
| CN205303594U (en) | Lithium ion secondary cell with heat radiation structure | |
| CN208423110U (en) | Battery box and battery box | |
| CN216291952U (en) | Enhanced heat pipe radiating module | |
| CN219163494U (en) | High-efficient heat dissipation lithium cell | |
| CN110475454A (en) | A kind of novel gas tank heat-dissipating cover plate | |
| CN215377544U (en) | Lithium battery shell with integrated heat dissipation function | |
| CN110828928A (en) | Novel thermal control structure electricity core | |
| CN204257786U (en) | A kind of novel air-cooled heat dissipation battery fixed mount | |
| CN212907857U (en) | Lithium battery with negative electrode structure | |
| CN208189668U (en) | A kind of power battery integration packaging device |
Legal Events
| 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: 20190423 |