CN210897549U - Heat dissipation film for lithium battery and lithium battery - Google Patents
Heat dissipation film for lithium battery and lithium battery Download PDFInfo
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- CN210897549U CN210897549U CN201922018329.1U CN201922018329U CN210897549U CN 210897549 U CN210897549 U CN 210897549U CN 201922018329 U CN201922018329 U CN 201922018329U CN 210897549 U CN210897549 U CN 210897549U
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Abstract
The application relates to the technical field of lithium batteries, in particular to a heat dissipation film for a lithium battery and the lithium battery. The lithium battery includes: the heat dissipation film directly coats the surface of the pole group and is arranged in the shell, wherein the heat dissipation film comprises a first heat conduction insulating layer; a second thermally conductive insulating layer; and the heat dissipation layer is directly arranged between the first heat conduction insulating layer and the second heat conduction insulating layer, and the heat conductivity coefficient of the heat dissipation layer material is more than 1200W/m.K. The application provides a pair of lithium cell uses the radiating film that has high coefficient of thermal conductivity to conduct the heat that battery utmost point group produced, just the heat directly passes through the radiating film conducts battery case, and the heat can transmit fast, has strengthened the heat dispersion of lithium cell, and simple structure, and is easy and simple to handle, easily large-scale production.
Description
Technical Field
The application relates to the technical field of lithium batteries, in particular to a heat dissipation film for a lithium battery and the lithium battery.
Background
Lithium batteries have been widely used in the fields of portable consumer electronics, electric tools, medical electronics, and the like, because of their advantages of high energy density, high power density, long cycle life, no memory effect, low self-discharge rate, wide working temperature range, safety, reliability, and environmental friendliness. However, as the market demand of lithium batteries increases, the safety of lithium batteries becomes increasingly prominent. In the process of charging and discharging, the lithium battery can generate a large amount of heat to cause the temperature of the battery to rise, and the over-high temperature can cause the decomposition of electrolyte and the generation of gas, and the gas can smoke and explode when being serious, thereby threatening the safety of users.
At present, the method for radiating the lithium battery generally cools the outside of the battery module, the cooling mode comprises wind cooling and liquid cooling, the whole cooling system increases the size of the module and reduces the energy density of the module, but the lithium battery mainly has overhigh internal central temperature in the use process, only radiates the battery outside the module, and the heat inside the lithium battery is difficult to conduct quickly.
Therefore, it is necessary to design a new lithium battery to enhance the heat dissipation performance of the battery by starting from the inside of the battery.
SUMMERY OF THE UTILITY MODEL
The application provides a lithium cell and heat dissipation membrane for lithium cell strengthens the heat dispersion of lithium cell.
One aspect of the present application provides a heat dissipation film for a lithium battery, including: a first thermally conductive insulating layer; a second thermally conductive insulating layer; and the heat dissipation layer is directly arranged between the first heat conduction insulating layer and the second heat conduction insulating layer, and the heat conductivity coefficient of the heat dissipation layer material is more than 1200W/m.K.
In some embodiments of the present application, the material of the heat dissipation layer includes any one of artificial graphite, nanocarbon, graphene, and carbon nanotubes.
In some embodiments of the present application, the heat spreading layer has a thickness of 0.8-1.4 millimeters.
In some embodiments of the present application, the material of the first thermal insulation layer and the second thermal insulation layer is an insulating glue.
In some embodiments of the present application, the material of the first thermally conductive and insulating layer comprises any one of thermally conductive silicone or PET; the material of the second heat conduction insulating layer comprises any one of heat conduction silica gel or PET.
In some embodiments of the present application, the first thermally conductive, insulating layer has a thickness of 20-30 microns; the thickness of the second heat conduction insulating layer is 20-30 microns.
Another aspect of the present application provides a lithium battery including: the heat dissipation film directly coats the surface of the pole group and is arranged in the shell, wherein the heat dissipation film comprises a first heat conduction insulating layer; a second thermally conductive insulating layer; and the heat dissipation layer is directly arranged between the first heat conduction insulating layer and the second heat conduction insulating layer, and the heat conductivity coefficient of the heat dissipation layer material is more than 1200W/m.K.
In some embodiments of the present application, the heat spreading film may be directly adhered to the pole set surface.
In some embodiments of the present application, the pole set and the heat dissipation membrane are sized such that the heat dissipation membrane can directly compress the housing during charging and discharging.
In some embodiments of the present application, the thermal conductivity of the heat dissipation film is 600-1000W/m.K.
The application provides a pair of radiating film and lithium cell for lithium cell uses the radiating film that has high coefficient of thermal conductivity to conduct the heat that battery utmost point group produced, just the heat directly passes through battery case is conducted to the radiating film, and the heat can be transmitted fast, has strengthened the heat dispersion of lithium cell.
Drawings
The following drawings describe in detail exemplary embodiments disclosed in the present application. Wherein like reference numerals represent similar structures throughout the several views of the drawings. Those of ordinary skill in the art will understand that the present embodiments are non-limiting, exemplary embodiments, and that the accompanying drawings are for illustrative and descriptive purposes only and are not intended to limit the scope of the present disclosure, as other embodiments may equally accomplish the utility model intent of the present application. It should be understood that the drawings are not to scale. Wherein:
fig. 1 is a schematic structural view of a conventional lithium battery.
Fig. 2 is a schematic structural diagram of a heat dissipation film for a lithium battery according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a lithium battery according to an embodiment of the present application.
Detailed Description
The following description is presented to enable any person skilled in the art to make and use the present disclosure, and is provided in the context of a particular application and its requirements. Various local modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the present disclosure. Thus, the present disclosure is not to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the claims.
The technical solution of the present invention will be described in detail with reference to the following embodiments and accompanying drawings.
Fig. 1 is a schematic structural view of a conventional lithium battery.
Referring to fig. 1, a conventional lithium ion prismatic battery generally includes a pole group 100 assembled by positive and negative pole pieces and a separator, a Mylar film 102 for covering the pole group 100 for insulation, a case 103, and an electrolyte 101 filled between the pole group 100, the Mylar film 102, and the case 103. When the battery works, the heat generated by the pole group 100 is finally transmitted to the outside of the battery through the electrolyte 101, the Mylar film 102, the electrolyte 101 and the shell 103. The thermal conductivity of the electrolyte 101 is about 0.2W/m.K, the thermal conductivity of the Mylar film 102 is about 0.12W/m.K, the thermal conductivity of the shell 103 is about 120W/m.K, and the most main factors causing low heat transfer efficiency of the battery are the electrolyte and the Mylar film as can be seen from the numerical value of the thermal conductivity, so that in order to improve the heat transfer efficiency in the lithium battery, the heat dissipation film for the lithium battery is provided to replace the traditional Mylar film, and the heat dissipation of the battery is enhanced.
Fig. 2 is a schematic structural diagram of a heat dissipation film for a lithium battery according to an embodiment of the present application.
Referring to fig. 2, an embodiment of the present application provides a heat dissipation film for a lithium battery, including: a first thermally conductive, insulating layer 110; a second thermally conductive, insulating layer 120; and a heat dissipation layer 130 directly disposed between the first thermal insulation layer 110 and the second thermal insulation layer 120, wherein a thermal conductivity of a material of the heat dissipation layer 130 is 1200W/m · K or more.
In a conventional lithium battery, a Mylar film is usually used to cover a battery pole group for insulation, in this embodiment, the heat dissipation film with high thermal conductivity is used to replace the Mylar film, wherein the first thermal insulation layer 110 and the second thermal insulation layer 120 can also serve to insulate and isolate the pole group 100 from the housing 103, and the heat dissipation layer 130 has high thermal conductivity, which can greatly improve the heat dissipation performance of the battery. The weight and the volume of the heat dissipation film are not much different from those of the Mylar film, so that the energy density of the battery cannot be reduced.
Besides the insulating function, the first thermal insulation layer 110 and the second thermal insulation layer 120 also have an adhesive function, and can be directly adhered to the heat dissipation layer 130, so that the manufacturing is convenient, and the large-scale production is easy.
Referring to fig. 2, the first thermal insulation layer 110 is used to insulate and separate the pole set 100 and the heat dissipation layer 130.
In some embodiments of the present application, the material of the first thermal insulation layer 110 is an insulating glue.
In some embodiments of the present application, the first thermal insulation layer 110 may be directly adhered to the pole group 100, and no extra electrolyte is present between the first thermal insulation layer 110 and the pole group 100, thereby improving heat transfer efficiency. The first thermal insulation layer 110 has a smooth surface, is easy to package, and does not damage the pole group 100.
In some embodiments of the present application, the material of the first thermal insulation layer 110 includes any one of thermal conductive silicone or PET film.
In some embodiments of the present application, the material of the first thermal insulation layer 110 is thermal conductive silicone. The heat conductivity coefficient of the heat-conducting silica gel is 5W/m.K, and the heat conductivity coefficient is higher than that of the Mylar film and the electrolyte, so that the heat transfer performance of the battery can be improved.
In some embodiments of the present application, the first thermally conductive and insulating layer 110 has a thickness of 20-30 microns, such as 20 microns, 25 microns, and 30 microns. In the heat dissipation film, the heat transfer capability is mainly provided by the heat dissipation layer 130, and the main purpose of the first heat conductive and insulating layer 110 is to insulate the pole set 100, so the thickness of the first heat conductive and insulating layer 110 should be as small as possible, but not too small so as to affect the insulating property of the first heat conductive and insulating layer 110.
With continued reference to fig. 2, the heat dissipation layer 130 is a main constituent part of the heat dissipation film for improving the heat transfer performance of the battery.
In some embodiments of the present application, the material of the heat dissipation layer 130 includes any one of artificial graphite, nano carbon, graphene, and carbon nano tubes. The heat conductivity coefficient of the material of the heat dissipation layer 130 is far higher than that of a Mylar film and electrolyte in a traditional lithium battery, so that the heat dissipation performance of the lithium battery is greatly improved, and the safety is improved.
In some embodiments of the present application, the material of the heat dissipation layer 130 is artificial graphite. The artificial graphite has a thermal conductivity as high as 1500W/m.K and is low in cost. The artificial graphite also has good toughness and plasticity, and can be cut into any suitable shape.
In some embodiments of the present application, the heat spreading layer 130 has a thickness of 0.8-1.4 mm, such as 0.8 mm, 1 mm, 1.2 mm, or 1.4 mm. The size of the heat dissipation layer 130 is determined according to the size of the lithium battery.
With continued reference to fig. 2, the second thermally conductive and insulating layer 120 serves to insulate and isolate the heat sink layer 130 from the housing 103.
In some embodiments of the present application, the material of the second thermal insulation layer 120 is an insulating glue. In the process of charging and discharging the battery, the electrode assembly 100 expands to increase the thickness, the second heat-conducting insulating layer 120 and the inner wall of the shell 103 can be connected together in a pressing contact manner, no excess electrolyte exists between the second heat-conducting insulating layer 120 and the shell 103, and heat generated by the electrode assembly 100 is directly transmitted to the shell 103 through the heat-radiating film, so that the heat transfer efficiency of the battery is improved. The second thermal insulation layer 120 has a smooth surface, is easy to package, and does not damage the housing 103.
In some embodiments of the present application, the material of the second thermally conductive and insulating layer 120 includes any one of thermally conductive silicone or PET.
In some embodiments of the present application, the material of the second thermally conductive insulating layer 120 is thermally conductive silicone. The heat conductivity coefficient of the heat-conducting silica gel is 5W/m.K, and the heat conductivity coefficient is higher than that of the Mylar film and the electrolyte, so that the heat transfer performance of the battery can be improved.
In some embodiments of the present application, the second thermally conductive and insulating layer 110 has a thickness of 20-30 microns, such as 20 microns, 25 microns, or 30 microns. In the heat dissipation film, the heat transfer capability is mainly provided by the heat dissipation layer 130, and the main purpose of the second heat conductive and insulating layer 110 is to insulate the housing 103, so the thickness of the second heat conductive and insulating layer 120 should be as small as possible, but not too small so as to affect the insulating property of the second heat conductive and insulating layer 120.
In some embodiments of the present application, the thermal conductivity of the heat dissipation film is 600-1000W/mK, such as 700W/mK, 800W/mK or 900W/mK. The materials and the sizes of the first thermal insulation layer 110, the heat dissipation layer 130, and the second thermal insulation layer 120 all affect the thermal conductivity of the entire heat dissipation film, and in order to ensure the heat transfer performance, the overall thermal conductivity of the heat dissipation film needs to be set within a proper range.
The application provides a pair of radiating film for lithium cell uses the radiating film that has high coefficient of thermal conductivity to conduct the heat that battery utmost point group produced, just the heat directly passes through battery case is conducted to the radiating film, and the heat can the quick transfer, has strengthened the heat dispersion of lithium cell, and simple structure, and is easy and simple to handle, easily large-scale production.
Embodiments of the present application further provide a lithium battery, including: the heat dissipation module comprises a pole group 100, a heat dissipation film and a shell 103, wherein the heat dissipation film directly coats the surface of the pole group 100 and is arranged in the shell 103, and the heat dissipation film comprises a first heat conduction insulating layer 110, a second heat conduction insulating layer 120 and a heat dissipation layer 130 directly arranged between the first heat conduction insulating layer 110 and the second heat conduction insulating layer 120.
Fig. 3 is a schematic structural diagram of a lithium battery according to an embodiment of the present application.
Referring to fig. 3, the pole group 100 is formed by laminating or winding a plurality of pole pieces.
In some embodiments of the present application, the heat dissipation film may be directly adhered to the surface of the pole set 100, and no extra electrolyte is present between the heat dissipation film and the pole set 100, thereby improving heat transfer efficiency.
In some embodiments of the present application, the heat dissipation film is directly adhered to the surface of the pole group 100 by a self-adhesive material, and the heat dissipation film is directly adhered to the surface of the pole group 100 by the self-adhesive material and the first heat-conductive insulating layer 110.
In some embodiments of the present application, the material of the first thermal insulation layer 110 is an insulating glue. The first thermal insulation layer 110 has a smooth surface, is easy to package, and does not damage the pole group 100.
In some embodiments of the present application, the material of the first thermally conductive and insulating layer 110 includes any one of thermally conductive silicone or PET.
In some embodiments of the present application, the material of the first thermal insulation layer 110 is thermal conductive silicone. The heat conductivity coefficient of the heat-conducting silica gel is 5W/m.K, and the heat conductivity coefficient is higher than that of the Mylar film and the electrolyte, so that the heat transfer performance of the battery can be improved.
In some embodiments of the present application, the first thermally conductive and insulating layer 110 has a thickness of 20-30 microns, such as 20 microns, 25 microns, or 30 microns. In the heat dissipation film, the heat transfer capability is mainly provided by the heat dissipation layer 130, and the main purpose of the first heat conductive and insulating layer 110 is to insulate the pole set 100, so the thickness of the first heat conductive and insulating layer 110 should be as small as possible, but not too small so as to affect the insulating property of the first heat conductive and insulating layer 110.
With continued reference to fig. 3, the heat dissipation layer 130 is a main constituent part of the heat dissipation film for improving the heat transfer performance of the battery.
In some embodiments of the present application, the material of the heat dissipation layer 130 includes any one of artificial graphite, nano carbon, graphene, and carbon nano tubes. The heat conductivity coefficient of the material of the heat dissipation layer 130 is far higher than that of a Mylar film and electrolyte in a traditional lithium battery, so that the heat dissipation performance of the lithium battery is greatly improved, and the safety is improved.
In some embodiments of the present application, the material of the heat dissipation layer 130 is artificial graphite. The artificial graphite has a thermal conductivity as high as 1500W/m.K and is low in cost. The artificial graphite also has good toughness and plasticity, and can be cut into any suitable shape.
In some embodiments of the present application, the heat spreading layer 130 has a thickness of 0.8-1.4 mm, such as 0.8 mm, 1.0 mm, 1.2 mm, or 1.4 mm. The size of the heat dissipation layer 130 is determined according to the size of the lithium battery.
With continued reference to fig. 3, the second thermally conductive and insulating layer 120 serves to insulate and isolate the heat sink layer 130 from the housing 103.
In some embodiments of the present application, the material of the second thermal insulation layer 120 is an insulating glue. In the process of charging and discharging the battery, the electrode assembly 100 expands to increase the thickness, the second heat-conducting insulating layer 120 and the inner wall of the shell 103 can be connected together in a pressing contact manner, no excess electrolyte exists between the second heat-conducting insulating layer 120 and the shell 103, and heat generated by the electrode assembly 100 is directly transmitted to the shell 103 through the heat-radiating film, so that the heat transfer efficiency of the battery is improved. The second thermal insulation layer 120 has a smooth surface, is easy to package, and does not damage the housing 103.
In some embodiments of the present application, the material of the second thermally conductive and insulating layer 120 includes any one of thermally conductive silicone, PET, and PTC.
In some embodiments of the present application, the material of the second thermally conductive insulating layer 120 is thermally conductive silicone. The heat conductivity coefficient of the heat-conducting silica gel is 5W/m.K, and the heat conductivity coefficient is higher than that of the Mylar film and the electrolyte, so that the heat transfer performance of the battery can be improved.
In some embodiments of the present application, the second thermally conductive and insulating layer 110 has a thickness of 20-30 microns, such as 20 microns, 25 microns, or 30 microns. In the heat dissipation film, the heat transfer capability is mainly provided by the heat dissipation layer 130, and the main purpose of the second heat conductive and insulating layer 110 is to insulate the housing 103, so the thickness of the second heat conductive and insulating layer 120 should be as small as possible, but not too small so as to affect the insulating property of the second heat conductive and insulating layer 120.
In some embodiments of the present application, the thermal conductivity of the heat dissipation film is 600-1000W/mK, such as 700W/mK, 800W/mK or 900W/mK. The materials and the sizes of the first thermal insulation layer 110, the heat dissipation layer 130, and the second thermal insulation layer 120 all affect the thermal conductivity of the entire heat dissipation film, and in order to ensure the heat transfer performance, the overall thermal conductivity of the heat dissipation film needs to be set within a proper range.
In some embodiments of the present application, the pole set 100 and the heat dissipation membrane are sized such that the heat dissipation membrane can directly compress the housing 103 during charging and discharging.
In some embodiments of the present application, the housing 103 is an aluminum alloy housing.
Compared with the conventional lithium battery shown in fig. 1, in the lithium battery structure shown in fig. 3 according to the embodiment of the present application, on one hand, heat generated by the electrode assembly 100 does not need to be transferred to the battery case through the electrolyte, the Mylar film, and the electrolyte, but directly reaches the battery case through the heat dissipation film, and the heat can be transferred quickly; on the other hand, the heat conductivity coefficient of the heat dissipation film is higher than that of the electrolyte and the Mylar film, so that the heat transfer efficiency is improved, the temperature inside the battery can be reduced, and the safety is improved.
The application provides a pair of lithium cell uses the radiating film that has high coefficient of thermal conductivity to conduct the heat that battery utmost point group produced, just the heat directly passes through the radiating film conducts battery case, and the heat can transmit fast, has strengthened the heat dispersion of lithium cell, and simple structure, and is easy and simple to handle, easily large-scale production.
In conclusion, upon reading the present detailed disclosure, those skilled in the art will appreciate that the foregoing detailed disclosure can be presented by way of example only, and not limitation. Those skilled in the art will appreciate that the present application is intended to cover various reasonable variations, adaptations, and modifications of the embodiments described herein, although not explicitly described herein. Such alterations, improvements, and modifications are intended to be suggested by this disclosure, and are within the spirit and scope of the exemplary embodiments of this disclosure.
It is to be understood that the term "and/or" as used herein in this embodiment includes any and all combinations of one or more of the associated listed items. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present.
Similarly, it will be understood that when an element such as a layer, region or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, the term "directly" means that there are no intervening elements. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It will be further understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a first element in some embodiments may be termed a second element in other embodiments without departing from the teachings of the present invention. The same reference numerals or the same reference identifiers denote the same elements throughout the specification.
Further, exemplary embodiments are described by referring to cross-sectional illustrations and/or plan illustrations that are idealized exemplary illustrations. Accordingly, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, are to be expected. Thus, example embodiments should not be construed as limited to the shapes of regions illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. For example, an etched region shown as a rectangle will typically have rounded or curved features. Thus, the regions illustrated in the figures are schematic in nature and their shapes are not intended to illustrate the actual shape of a region of a device and are not intended to limit the scope of exemplary embodiments.
Claims (10)
1. A heat dissipating film for a lithium battery, comprising:
a first thermally conductive insulating layer;
a second thermally conductive insulating layer;
and the heat dissipation layer is directly arranged between the first heat conduction insulating layer and the second heat conduction insulating layer, and the heat conductivity coefficient of the heat dissipation layer material is more than 1200W/m.K.
2. The heat dissipating film according to claim 1, wherein a material of the heat dissipating layer comprises any one of artificial graphite, nanocarbon, graphene, and carbon nanotubes.
3. The heat spreading film of claim 1 wherein the heat spreading layer has a thickness of 0.8 to 1.4 mm.
4. The heat dissipating film according to claim 1, wherein the first and second thermally conductive and insulating layers are made of an insulating paste.
5. The heat dissipating film according to claim 4, wherein the material of the first thermally conductive insulating layer comprises any one of thermally conductive silicone or PET; the material of the second heat conduction insulating layer comprises any one of heat conduction silica gel or PET.
6. The heat spreading film of claim 1, wherein the first thermally conductive and insulating layer has a thickness of 20-30 microns; the thickness of the second heat conduction insulating layer is 20-30 microns.
7. A lithium battery, comprising: utmost point group, heat dissipation membrane and casing, the direct cladding of heat dissipation membrane utmost point group surface to set up in the casing, wherein, the heat dissipation membrane includes:
a first thermally conductive insulating layer;
a second thermally conductive insulating layer;
and the heat dissipation layer is directly arranged between the first heat conduction insulating layer and the second heat conduction insulating layer, and the heat conductivity coefficient of the heat dissipation layer material is more than 1200W/m.K.
8. The lithium battery of claim 7 wherein said heat spreading film is directly adhered to said pack surface.
9. The lithium battery of claim 7, wherein the volume of the pole set and the heat dissipating membrane are configured such that the heat dissipating membrane directly compresses the housing during charging and discharging.
10. The lithium battery as claimed in claim 7, wherein the heat dissipation film has a thermal conductivity of 600-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201922018329.1U CN210897549U (en) | 2019-11-20 | 2019-11-20 | Heat dissipation film for lithium battery and lithium battery |
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| CN201922018329.1U CN210897549U (en) | 2019-11-20 | 2019-11-20 | Heat dissipation film for lithium battery and lithium battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739507A (en) * | 2019-11-20 | 2020-01-31 | 四川新敏雅电池科技有限公司 | Heat dissipation film for lithium battery and lithium battery |
| CN113363614A (en) * | 2021-06-10 | 2021-09-07 | 东莞新能安科技有限公司 | Battery package and consumer |
| CN114349513A (en) * | 2022-01-19 | 2022-04-15 | 东莞市鸿亿导热材料有限公司 | Insulating radiating fin preparation process and insulating radiating fin |
-
2019
- 2019-11-20 CN CN201922018329.1U patent/CN210897549U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739507A (en) * | 2019-11-20 | 2020-01-31 | 四川新敏雅电池科技有限公司 | Heat dissipation film for lithium battery and lithium battery |
| CN113363614A (en) * | 2021-06-10 | 2021-09-07 | 东莞新能安科技有限公司 | Battery package and consumer |
| CN113363614B (en) * | 2021-06-10 | 2023-02-24 | 东莞新能安科技有限公司 | Battery package and consumer |
| CN114349513A (en) * | 2022-01-19 | 2022-04-15 | 东莞市鸿亿导热材料有限公司 | Insulating radiating fin preparation process and insulating radiating fin |
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Address after: 621100 Zizhou Chancheng new area, Santai County, Mianyang City, Sichuan Province Patentee after: Sichuan xinminya Battery Technology Co.,Ltd. Patentee after: Suzhou Lingwei New Energy Technology Co.,Ltd. Patentee after: Hunan Lingpai New Energy Technology Co.,Ltd. Address before: 621100 Zizhou Chancheng new area, Santai County, Mianyang City, Sichuan Province Patentee before: Sichuan xinminya Battery Technology Co.,Ltd. Patentee before: Suzhou Lingwei New Energy Technology Co.,Ltd. Patentee before: Hunan xinminya New Energy Technology Co.,Ltd. |
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Effective date of registration: 20201216 Address after: 421600 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee after: Hunan Lingpai New Energy Technology Co.,Ltd. Address before: 621100 Zizhou Chancheng new area, Santai County, Mianyang City, Sichuan Province Patentee before: Sichuan xinminya Battery Technology Co.,Ltd. Patentee before: Suzhou Lingwei New Energy Technology Co.,Ltd. Patentee before: Hunan Lingpai New Energy Technology Co.,Ltd. |
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Effective date of registration: 20220727 Address after: 421681 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee after: Hunan lingpaidazhi Technology Co.,Ltd. Patentee after: Hunan Lingpai New Energy Technology Co.,Ltd. Patentee after: Hengyang Lingpai New Energy Technology Co.,Ltd. Patentee after: Suzhou Lingpai New Energy Technology Co.,Ltd. Patentee after: Hunan Lingpai Dingxin Battery Research Institute Co.,Ltd. Address before: 421600 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee before: Hunan Lingpai New Energy Technology Co.,Ltd. |
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Effective date of registration: 20230512 Address after: 421681 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee after: Hunan lingpaidazhi Technology Co.,Ltd. Patentee after: Hunan Lingpai New Energy Technology Co.,Ltd. Patentee after: Hengyang Lingpai New Energy Technology Co.,Ltd. Patentee after: Hunan Lingpai New Energy Research Institute Co.,Ltd. Patentee after: Hunan Lingpai Energy Storage Technology Co.,Ltd. Address before: 421681 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee before: Hunan lingpaidazhi Technology Co.,Ltd. Patentee before: Hunan Lingpai New Energy Technology Co.,Ltd. Patentee before: Hengyang Lingpai New Energy Technology Co.,Ltd. Patentee before: Suzhou Lingpai New Energy Technology Co.,Ltd. Patentee before: Hunan Lingpai Dingxin Battery Research Institute Co.,Ltd. |
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