CN208570850U - A kind of heat-exchanger rig and lithium battery for lithium battery - Google Patents
A kind of heat-exchanger rig and lithium battery for lithium battery Download PDFInfo
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- CN208570850U CN208570850U CN201820688676.8U CN201820688676U CN208570850U CN 208570850 U CN208570850 U CN 208570850U CN 201820688676 U CN201820688676 U CN 201820688676U CN 208570850 U CN208570850 U CN 208570850U
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- Prior art keywords
- heat
- conducting
- conducting plate
- exchanger rig
- lithium battery
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 53
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 52
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 17
- 230000005611 electricity Effects 0.000 description 3
- 229910021389 graphene Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 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
Abstract
The utility model relates to a kind of heat-exchanger rig and lithium battery for lithium battery, which includes: multiple heat conducting sleeves, and multiple heat conducting sleeves are in contact with the battery core for the lithium battery for being contained in each inside；At least one heat-conducting plate, heat-conducting plate are in contact with heat conducting sleeve, and make each heat conducting sleeve that can exchange heat with the heat-conducting plate contacted；Heat-exchanging component is connected at least one heat-conducting plate, can carry out exchanging heat but also exchanging heat with the external world with heat-conducting plate.The heat-exchanger rig for lithium battery of the utility model can shed lithium battery in the generated heat that works, and extend lithium battery service life.
Description
Technical field
The utility model relates to battery technical field of heat dissipation more particularly to a kind of heat-exchanger rig and lithium electricity for lithium battery
Pond.
Background technique
It by lithium metal or lithium alloy is negative electrode material and using the battery of non-aqueous electrolytic solution that lithium battery, which is a kind of,.
With the development of twentieth century end microelectric technique, the equipment of miniaturization is increasing, proposes very high requirement to power supply.Lithium
Battery is applied to portable electronics, such as laptop computer, video camera, mobile communication with its distinctive performance advantage.High-capacity lithium
Battery is widely used in the accumulation power supplies such as waterpower, firepower, wind-force and solar power station system and electric tool, electrical salf-walking
The multiple fields such as vehicle, battery-operated motor cycle, electric car, military equipment, aerospace.But existing lithium battery is seriously asked there are one
Topic, i.e., can generate a large amount of heat, which will affect the service life of lithium battery when in use.
Utility model content
In order to solve the problems, such as above-mentioned all or part, the utility model provides a kind of heat-exchanger rig and packet for lithium battery
The lithium battery of the heat-exchanger rig is included, wherein the heat-exchanger rig can shed lithium battery in the generated heat that works, and extend lithium electricity
Pond service life.
It is according to the present utility model in a first aspect, providing a kind of heat-exchanger rig for lithium battery comprising: it is multiple to lead
Hot jacket, multiple heat conducting sleeves are in contact with the battery core for the lithium battery for being contained in each inside；At least one heat-conducting plate,
The heat-conducting plate is in contact with heat conducting sleeve, and change each heat conducting sleeve can with the heat-conducting plate contacted
Heat；Heat-exchanging component is connected with heat-conducting plate described at least one, can carry out exchanging heat with the heat-conducting plate but also carry out with the external world
Heat exchange.
In further technical solution, multiple heat conducting sleeves are arranged as at least two rows, the quantity ratio of the heat-conducting plate
The quantity of the row is one more, is equipped with the row between any two adjacent heat-conducting plates.
In further technical solution, multiple heat conducting sleeves are arranged as at least two rows, the quantity ratio of the heat-conducting plate
The quantity of the row is one few, is equipped with the heat-conducting plate between any two adjacent rows.
In further technical solution, the heat-conducting plate has a ripple struction, each heat conducting sleeve with it is adjacent described
The wave crest or trough of ripple struction contact, and the ripple struction limits the heat conducting sleeve contacted.
In further technical solution, the heat conducting sleeve is flexible heat exchange material.
In further technical solution, the heat conducting sleeve includes heat conductive graphite piece or thermal conductivity graphene with material, described to lead
Hot plate include with material heat pipe, heat conductive graphite piece, thermal conductivity graphene or high thermal conductivity coefficient sheet metal.Wherein, heat pipe is a kind of
The part of high thermal conductivity coefficient, thermal coefficient is up to thousands of to tens of thousands of W/mK under routine application size.
In further technical solution, be equipped with runner in the heat-conducting plate, the heat-exchanging component include with it is described thermally conductive
Plate be connected and can into the runner delivery heat transfer medium heat exchanging pipe.
In further technical solution, heat-exchanger rig further includes the heater that can heat the heat transferring medium,
Wherein when the heater is turned on and the temperature of the heater is greater than the temperature of the battery core, the heat-exchanging component can
Absorb heat from the heater, and by the heat of absorption after the heat-conducting plate and heat conducting sleeve transmitting to the battery core into
Row heating；When the heater is not gated on and ambient temperature is lower than the temperature of the battery core, the heat-exchanging component can lead to
It crosses the heat conducting sleeve and heat-conducting plate and absorbs heat from the battery core, and the heat of absorption is discharged into the external world.
In further technical solution, the thickness of the heat-conducting plate is thicker than the thickness of the heat conducting sleeve.
Heat-exchanger rig according to the present utility model for lithium battery, the heat-exchanger rig can promote battery core in lithium battery and
The heat conducting sleeve that contacts carries out good heat exchange, and the heat for promoting each battery core to generate by work is rapidly transferred to pair
It answers on heat conducting sleeve, and the heat of absorption is sequentially delivered to heat-conducting plate, on heat-exchanging component by each heat conducting sleeve, finally through heat exchange group
Part, to stablize the operating temperature of battery core, extends lithium battery in the heat transfer to extraneous, such as local environment air
Service life.
In addition, the structure of the heat-exchanger rig for lithium battery of the utility model is simple, manufacture is easy, using safe steady
It is fixed, it has a vast market foreground and application and popularization value.
Second aspect according to the present utility model provides a kind of lithium battery comprising according to the utility model first party
Heat-exchanger rig described in face.
Heat caused by battery core can be transmitted to the external world by above-mentioned heat-exchanger rig by the lithium battery of the utility model,
Stablize the operating temperature of lithium battery, reduces because of energy consumed by high temperature, extend the service life of lithium battery.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 shows the heat-exchanger rig of the utility model embodiment one and the battery core of lithium battery；
Fig. 2 is the partial enlarged view at the D of Fig. 1；
Fig. 3 shows the heat-exchanger rig of the utility model embodiment two and the battery core of lithium battery；
Fig. 4 shows the heat-exchanger rig of the utility model embodiment three and the battery core of lithium battery；
Fig. 5 shows the heat exchange principle figure one of the utility model embodiment；
Fig. 6 shows the heat exchange principle figure two of the utility model embodiment.
[symbol description]
10 are used for the heat-exchanger rig of lithium battery
1 heat conducting sleeve
2 heat-conducting plates
3 heat-exchanging components
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
As shown in fig. 1 to 4, the heat-exchanger rig 10 for lithium battery of each embodiment of the utility model belongs to lithium battery
A part, and including multiple heat conducting sleeves 1, at least one heat-conducting plate 2 and heat-exchanging component 3.Each heat conducting sleeve 1 be contained in
The battery core of the lithium battery of each inside is in contact, to guarantee that battery core heat caused by the course of work of lithium battery can be quick
Pass to heat conducting sleeve 1.Since heat conducting sleeve 1 and the contact area of battery core are bigger, heat exchange efficiency between the two is higher, therefore
The preferred heat conducting sleeve 1 of the present embodiment be cross section be circular ring shape and its length sleeve identical with the length of battery core, inner wall with
The external peripheral surface of battery core all contacts, and improves the uniform heat distribution of battery core.Heat-conducting plate 2 is in contact with heat conducting sleeve 1, and makes
Each heat conducting sleeve 1 can exchange heat with the heat-conducting plate 2 contacted.The heat-exchanging component 3 is connected with each heat-conducting plate 2, can
Exchange heat and can exchange heat with the external world with heat-conducting plate 2.Wherein, the thickness of heat-conducting plate 2 most cans be compared to the thickness of heat conducting sleeve 1 more
Thickness, to increase the structural stability of heat-exchanger rig 10.In addition, heat conducting sleeve 1 is thermal coefficient leading more than or equal to 1W/mK with material
Heat pad piece, such as: heat conductive graphite piece or thermal conductivity graphene.The heat-conducting plate 2 includes heat conductive graphite piece, heat conductive graphite with material
Alkene, the sheet metal (copper sheet, aluminium flake etc.) of high thermal conductivity coefficient or heat pipe etc..Secondly, the material preferred density of heat-conducting plate 2 be 0.7~
2.1g/cm3And thermal coefficient be 400~1500W/mK graphite, with copper sheet, aluminium flake heat-conducting plate 2 compared with, graphite manufacture lead
Hot plate 2 relies on the characteristics of low-density, high-heat conductive efficency to reach better heat-conducting effect with thinner thickness, and improves lithium battery
Mass energy density and volume energy density.
According to the heat-exchanger rig 10 for lithium battery of the utility model embodiment one, which can promote lithium
The heat that battery core in battery carries out good heat exchange, and each battery core is promoted to generate by work with the heat conducting sleeve 1 contacted
Amount is rapidly transferred on corresponding heat conducting sleeve 1, and the heat of absorption is sequentially delivered to heat-conducting plate 2 by each heat conducting sleeve 1, is changed
On hot component 3, finally through heat-exchanging component 3 by the heat transfer to extraneous, such as local environment air, to stablize battery core
Operating temperature, extend the service life of lithium battery.
In Fig. 1 or embodiment shown in Fig. 3, multiple heat conducting sleeve 1 is arranged as at least two rows, the number of heat-conducting plate 2
One is measured more than the quantity than above-mentioned row, the heat conducting sleeve 1 of a row is equipped between any two adjacent heat-conducting plates 2.For example,
Heat conducting sleeve 1 be two rows because the quantity of heat-conducting plate 2 than row quantity more than one, therefore heat-conducting plate 2 be three, it is every two adjacent
Equal one row's heat conducting sleeve 1 of sandwiched between heat-conducting plate 2.It, should after the heat caused by battery core is transmitted to heat conducting sleeve 1 by face contact
Heat is transmitted to heat-conducting plate 2 from the two sides of heat conducting sleeve 1, accelerates the heat exchange efficiency between heat conducting sleeve 1 and heat-conducting plate 2, reduces heat
Accumulated in lithium battery, improve lithium battery using safe.
Other than Fig. 1 or embodiment shown in Fig. 3, that is, the relationship between heat conducting sleeve 1 and heat-conducting plate 2 can also should such as Fig. 4
Multiple heat conducting sleeves 1 are arranged as at least two rows, the quantity of heat-conducting plate 2 one fewer than the quantity of above-mentioned row, adjacent in any two
Row between be equipped with a heat-conducting plate 2.For example, the heat conducting sleeve 1 is two rows, because the quantity of heat-conducting plate 2 is fewer than the quantity of row
One, therefore heat-conducting plate 2 is one, one heat-conducting plate 2 of equal sandwiched between the adjacent heat conducting sleeve 1 of every two rows.It is produced as a result, in battery core
After raw heat is transmitted to heat conducting sleeve 1 by face contact, the equal thermal contact conductance set 1 in 2 two sides of heat-conducting plate, and exchanged with heat conducting sleeve 1
Heat reduces the usage amount of heat-conducting plate 2, reduces cost and lightweight.
The emulation experiment of heat-exchanger rig 10.Simulated conditions: 1, lithium battery: 0.7C charge and discharge, total exothermic heat source 3.53W rise
Beginning temperature 300K；2, battery core is 18650 battery cores, and thermal coefficient is 0.85W/mK；3, the thickness of 1 material of heat conducting sleeve is 0.25mm,
Thermal coefficient is 1500W/mK；4, the thickness of 2 material of heat-conducting plate is 1.5mm, and thermal coefficient is 1500W/mK.After iteration is stablized,
The maximum temperature of battery is 304.42K, the maximum value 304.35K of the average surface temperature monitored, the surface monitored
The minimum value of mean temperature is 300.72K, temperature difference 3.63K.The heat-exchanger rig 10 can effectively control battery temperature rise and
The temperature difference.The heat-exchanger rig 10 of the utility model embodiment three is the poor structure arrangement of heat transfer property, if using heat transfer property
Preferable other structures arrangement, heat-exchanger rig 10 as shown in figures 1 and 3, then the temperature difference of heat transfer property emulation and temperature rise can more
It is small.It, can also be by adjusting the thickness and thermal coefficient tune of heat-conducting plate 2 and heat conducting sleeve 1 in addition to 10 structure of heat-exchanger rig arranges difference
The temperature difference and temperature rise of whole battery, may be implemented very extensive application scenarios, reach cost performance well.
As shown in Figure 5 and Figure 6, heat-exchanging component 3 includes liquid cooled module (such as low-temperature radiator or air-conditioning) or air-cooled component
(such as cooling fan and/or radiating fin) and for thermally conductive heat exchanging pipe or heat exchanging body, above-mentioned heat exchanging body can be battery
Shell.Runner is equipped in heat-conducting plate 2, heat-exchanging component 3 includes being connected with heat-conducting plate 2 and delivery heat transfer capable of being situated between into the runner
The heat exchanging pipe of matter accelerates the heat exchange efficiency of heat-conducting plate 2 and heat exchanging pipe when the two sides of heat-conducting plate 2 are all connected with heat exchanging pipe, into
And accelerate heat-exchanger rig 10 and the extraneous heat exchange efficiency carried out.In addition, in the embodiment shown in fig. 3, which includes
It is connected and is used for the heat exchanging pipe of delivery heat transfer medium with heat-conducting plate 2, the side of the preferred heat-conducting plate 2 of the present embodiment connects heat exchanger tube
Road, that saves heat-exchanger rig 10 uses material, increases lightness, and reduce cost.Heat-conducting plate 2 and heat conducting sleeve 1 without runner can
To realize that lithium battery interior without coolant liquid, eliminates the risk of coolant liquid leakage.
Preferably, which further includes the heater that can heat above-mentioned heat transferring medium, wherein when adding
When hot device is turned on and the temperature of heater is greater than the temperature of battery core, heat-exchanging component 3 can absorb heat from heater, and will
The heat of absorption heats battery core after transmitting through heat-conducting plate 2 and heat conducting sleeve 1, improves the charge-discharge performance of battery core, extends
Lithium battery service life；And when heater is not gated on and ambient temperature is lower than the temperature of battery core, heat-exchanging component 3 can pass through
Heat conducting sleeve 1 and heat-conducting plate 2 absorb heat from battery core, and the heat of absorption is discharged into the external world, realize battery core in lithium battery
Rapid cooling.
As shown in fig. 1 to fig. 4, the heat-conducting plate 2 of above-mentioned heat-exchanger rig 10 have ripple struction, each heat conducting sleeve 1 with it is adjacent
Ripple struction wave crest or trough contact, ripple struction is limited to the heat conducting sleeve 1 contacted, increase is led
The contact area of hot jacket 1 and heat-conducting plate 2 accelerates heat exchange efficiency.Ripple struction on heat-conducting plate 2 is preferably according to the shape of heat conducting sleeve 1
Shape selection, the matching for enabling heat conducting sleeve 1 to carry out large area with the wave crest of ripple struction or trough contact.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In this application unless specifically defined or limited otherwise, the terms such as term " contact ", " connected " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connection, be also possible to electricity
Connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Especially, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can combine in any way
Get up.The utility model is not limited to specific embodiment disclosed herein, but including falling within the scope of the appended claims
All technical solutions.
Claims (10)
1. a kind of heat-exchanger rig for lithium battery characterized by comprising
Multiple heat conducting sleeves, multiple heat conducting sleeves are in contact with the battery core for the lithium battery for being contained in each inside；
At least one heat-conducting plate, the heat-conducting plate are in contact with heat conducting sleeve, and make each heat conducting sleeve can be with contacting
The heat-conducting plate exchange heat；
Heat-exchanging component is connected with heat-conducting plate described at least one, can carry out exchanging heat with the heat-conducting plate but also with the external world into
Row heat exchange.
2. heat-exchanger rig according to claim 1, which is characterized in that multiple heat conducting sleeves are arranged as at least two rows,
The quantity of the heat-conducting plate than the row quantity more than one, be equipped with one between any two adjacent heat-conducting plates
The row.
3. heat-exchanger rig according to claim 1, which is characterized in that multiple heat conducting sleeves are arranged as at least two rows,
It the quantity of the heat-conducting plate one fewer than the quantity of the row, is equipped with described in one between any two adjacent rows
Heat-conducting plate.
4. heat-exchanger rig according to claim 2 or 3, which is characterized in that the heat-conducting plate has ripple struction, Ge Gesuo
It states heat conducting sleeve to contact with the wave crest of the adjacent ripple struction or trough, enables the ripple struction to contacting
Heat conducting sleeve is limited.
5. heat-exchanger rig according to claim 4, which is characterized in that the heat conducting sleeve is flexible heat exchange material.
6. heat-exchanger rig according to claim 4, which is characterized in that the heat conducting sleeve includes graphite with material, described to lead
Hot plate includes graphite or sheet metal with material.
7. heat-exchanger rig according to claim 4, which is characterized in that be equipped with runner, the heat exchange in the heat-conducting plate
Component include be connected with the heat-conducting plate and can into the runner delivery heat transfer medium heat exchanging pipe.
8. heat-exchanger rig according to claim 7, which is characterized in that further include that can heat the heat transferring medium
Heater, wherein when the heater be turned on and the temperature of the heater be greater than the battery core temperature when, it is described to change
Hot component can absorb heat from the heater, and the heat of absorption is right after the heat-conducting plate and heat conducting sleeve transmitting
The battery core is heated；When the heater is not gated on and ambient temperature is lower than the temperature of the battery core, the heat exchange
Component can absorb heat by the heat conducting sleeve and heat-conducting plate from the battery core, and the heat of absorption is discharged into the external world.
9. according to claim 1 to heat-exchanger rig described in any one of 3, which is characterized in that the thickness of the heat-conducting plate compares institute
The thickness for stating heat conducting sleeve is thick.
10. a kind of lithium battery, including according to claim 1 to any one of 9 heat-exchanger rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688676.8U CN208570850U (en) | 2018-05-09 | 2018-05-09 | A kind of heat-exchanger rig and lithium battery for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688676.8U CN208570850U (en) | 2018-05-09 | 2018-05-09 | A kind of heat-exchanger rig and lithium battery for lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208570850U true CN208570850U (en) | 2019-03-01 |
Family
ID=65481151
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820688676.8U Active CN208570850U (en) | 2018-05-09 | 2018-05-09 | A kind of heat-exchanger rig and lithium battery for lithium battery |
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| Country | Link |
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| CN (1) | CN208570850U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644340A (en) * | 2021-08-12 | 2021-11-12 | 苏州大学 | Lithium battery with multilayer film heat dissipation structure and heat equalizing method of battery pack of lithium battery |
| CN114069282A (en) * | 2021-11-16 | 2022-02-18 | 北京卫星环境工程研究所 | Electric tool lithium battery for space on-orbit maintenance |
-
2018
- 2018-05-09 CN CN201820688676.8U patent/CN208570850U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644340A (en) * | 2021-08-12 | 2021-11-12 | 苏州大学 | Lithium battery with multilayer film heat dissipation structure and heat equalizing method of battery pack of lithium battery |
| CN114069282A (en) * | 2021-11-16 | 2022-02-18 | 北京卫星环境工程研究所 | Electric tool lithium battery for space on-orbit maintenance |
| CN114069282B (en) * | 2021-11-16 | 2024-01-26 | 北京卫星环境工程研究所 | Electric tool lithium battery for space on-orbit maintenance |
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