CN113471580A - Battery case and battery - Google Patents
Battery case and battery Download PDFInfo
- Publication number
- CN113471580A CN113471580A CN202110609668.6A CN202110609668A CN113471580A CN 113471580 A CN113471580 A CN 113471580A CN 202110609668 A CN202110609668 A CN 202110609668A CN 113471580 A CN113471580 A CN 113471580A
- Authority
- CN
- China
- Prior art keywords
- layer
- battery
- aluminum foil
- battery housing
- battery core
- 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.)
- Pending
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 36
- 239000011888 foil Substances 0.000 claims abstract description 36
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000002313 adhesive film Substances 0.000 claims description 8
- 239000005030 aluminium foil Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 3
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 3
- 239000004814 polyurethane Substances 0.000 abstract 3
- 238000010030 laminating Methods 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
- H01M50/129—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of lead-acid storage batteries, and provides a storage battery shell which comprises a body, wherein the body is provided with a first PET (polyethylene terephthalate) layer, a PU (polyurethane) layer, an aluminum foil assembly layer and a second PET layer which are sequentially arranged in the thickness direction, and the aluminum foil assembly layer is used for reflecting thermal radiation. Still provide a battery, including the battery core, still include foretell battery case, battery case cover is in outside the battery core and with the battery core laminating. The shell is formed by adopting a four-layer structure, wherein the aluminum foil total layer can reflect heat radiation and plays a role in heat preservation; the PU layer is a low-density material, so that the exchange of heat energy can be effectively controlled; different layer materials can be tightly combined together by adopting the edge sealing; the reinforcing ribs can ensure that the product is not deformed after being used for a long time; the shell is fixed on the storage battery core body through the snap fasteners, and can be conveniently detached and installed.
Description
Technical Field
The invention relates to the technical field of lead-acid storage batteries, in particular to a storage battery shell and a storage battery.
Background
The temperature has an influence on the durability and performance of the battery, the battery used for the common automobile is a lead-acid storage battery, the storage capacity of the battery is increased by 0.8 percent when the temperature of the battery rises by one degree, the temperature is not higher than 35 ℃, the water loss of the battery is accelerated when the temperature is higher than 35 ℃, the proper temperature of the battery is regulated to be between 20 and 25 ℃ by half of a battery manufacturer, and the service life of the battery is shortened by half when the temperature is higher than 10 ℃ per liter in an environment of more than 25 ℃. When the ambient temperature of the battery is reduced to be below 0 ℃, the acid solution solubility is high, the internal resistance is increased, the electrode polarization influence is aggravated, and the capacity of the storage battery is reduced. The existing storage battery shell has poor heat insulation effect, and the service life and the capacity of the storage battery are reduced due to high temperature.
Disclosure of Invention
The invention aims to provide a storage battery shell and a storage battery, wherein the shell is formed by adopting a four-layer structure, and an aluminum foil total layer can reflect heat radiation and play a role in heat preservation.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions: the utility model provides a battery case, includes the body, the body has first PET layer, PU layer, aluminium foil assembly layer and the second PET layer of laying in proper order along the thickness direction, aluminium foil assembly layer is used for the reflection heat radiation.
Further, the aluminum foil total layer consists of an aluminum foil, an aluminum-plated film, a sol solution, a glue film and a grid.
Further, the gram weight of the aluminum foil is 18g/m2The gram weight of the aluminizer is 18g/m2The gram weight of the sol solution is 4g/m2The gram weight of the adhesive film is 55g/m2The grammes per square metre of the grid is 45g/m2。
Further, the adhesive film is coated on two sides.
Further, the thickness of the total layer of aluminum foil was 0.18 mm.
Further, the thickness of the PU layer is 5mm, and the density is 15KG/M3。
Further, the first PET layer, the PU layer, the aluminum foil total layer and the second PET layer are bound together by adopting edge sealing.
Furthermore, a reinforcing rib is arranged at the lower edge of the body.
Further, the body wraps the storage battery core body and is fixed on the storage battery core body through the snap fasteners.
The embodiment of the invention provides another technical scheme: the storage battery comprises a storage battery core body and further comprises the storage battery shell, and the storage battery shell covers the storage battery core body and is attached to the storage battery core body.
Compared with the prior art, the invention has the beneficial effects that: the shell is formed by adopting a four-layer structure, and the aluminum foil total layer can reflect heat radiation and plays a role in heat preservation.
Drawings
Fig. 1 is a view of a battery case according to an embodiment of the present invention;
in the reference symbols: 1-edge sealing; 2-reinforcing ribs; 3-snap fastener.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a battery case, including a body, where the body has a first PET layer, a PU layer, an aluminum foil assembly layer, and a second PET layer sequentially arranged along a thickness direction, and the aluminum foil assembly layer is used for reflecting thermal radiation. In this embodiment, the housing is formed by adopting a four-layer structure, and the aluminum foil total layer therein can reflect heat radiation to perform a heat preservation function. Preferably, the aluminum foil total layer consists of an aluminum foil, an aluminum-plated film, a sol solution, a glue film and a grid. Specifically, the gram weight of the aluminum foil is 18g/m2The gram weight of the aluminizer is 18g/m2The gram weight of the sol solution is 4g/m2The gram weight of the adhesive film is 55g/m2The grammes per square metre of the grid is 45g/m2. Preferably, the adhesive filmThe coating is carried out on two sides, and the adhesive film is coated on two sides. When the shell is prepared, a layer of PET is laid firstly, then a layer of PU is laid, then the aluminum foil total layer is covered, and finally a layer of PET is covered. After the preparation, the blank is placed in a forming die to form belt shearing, the part is taken out to remove the flash, and the fixing snap fastener is installed. The aluminum foil total layer prepared by the parameters can play a very good heat insulation effect, and compared with the existing shell without the aluminum foil total layer, the temperature in the shell is reduced by about 35% under the influence of the same intensity heat radiation on the outer surface.
The specific tests are as follows:
firstly, putting a sample into an environmental test box in a simulated installation state,
1) controlling the ambient temperature to be 25 ℃, and then starting an infrared lamp to enable the surface temperature of the sample to reach 90 ℃ within 10 minutes;
2) the surface temperature of the sample is 90 ℃, and the sample is kept for 30 minutes;
3) recording the temperature measurement value in the sample;
repeating the processes 1) to 3) under the conditions that the surface temperature of the sample is 95 ℃, 100 ℃, 105 ℃ and 110 ℃. As in the following table:
the case without the aluminum foil total layer was also tested in the test manner described above, as shown in the following table:
it can be seen that the thermal insulation of the case with the aluminum foil total layer is much better than that without the aluminum foil total layer.
Referring to fig. 1, as an optimized solution of the embodiment of the present invention, the thickness of the total aluminum foil layer is 0.18 mm. In the present embodiment, controlling the thickness of the total layer of aluminum foil to be 0.18mm does not excessively increase the thickness of the case.
As an optimization scheme of the embodiment of the present invention, please refer to FIG. 1, wherein the PU layer has a thickness of 5mm and a density of 15KG/M3. In this embodiment, the PU layer is a low-density material, which can effectively control the exchange of heat energy.
As an optimized solution of the embodiment of the present invention, please refer to fig. 1, an edge seal 1 is used to bind the first PET layer, the PU layer, the aluminum foil total layer, and the second PET layer together. In this embodiment, the edge 1 can be used to bind several layers of material together in order to allow tight assembly of different types of raw materials without delamination. Preferably, the seal edge 1 is arranged at the upper edge of the body, and the thickness of the seal edge 1 is 0.8 mm.
As an optimized scheme of the embodiment of the present invention, please refer to fig. 1, a reinforcing rib 2 is disposed at a lower edge of the body. In this embodiment, in order to ensure that the product does not deform after long-term use, the lower edge of the body may be provided with a plurality of reinforcing ribs 2, preferably, the number of the reinforcing ribs 2 is multiple, the distance between adjacent reinforcing ribs 2 is 11mm, and the depth of each reinforcing rib 2 is 4.2 mm.
As an optimized solution of the embodiment of the present invention, please refer to fig. 1, the body wraps the battery core and is fixed on the battery core by the snap fasteners 3. In this embodiment, the housing can be fixed to the battery core by the snap fasteners 3, which facilitates the detachment and installation.
The embodiment of the invention provides a storage battery, which comprises a storage battery core body and the storage battery shell, wherein the storage battery shell covers the storage battery core body and is attached to the storage battery core body. In the present embodiment, the above-described case is used in a secondary battery, and the case is formed by using a four-layer structure in which the aluminum foil total layer can reflect heat radiation and perform a heat retaining function. Preferably, the aluminum foil total layer consists of an aluminum foil, an aluminum-plated film, a sol solution, a glue film and a grid. Specifically, the gram weight of the aluminum foil is 18g/m2The gram weight of the aluminizer is 18g/m2The gram weight of the sol solution is 4g/m2The gram weight of the adhesive film is 55g/m2The grammes per square metre of the grid is 45g/m2. Preferably, the adhesive filmThe coating is carried out on two sides, and the adhesive film is coated on two sides. The aluminum foil total layer prepared by the parameters can play a very good heat insulation effect, and compared with the existing shell without the aluminum foil total layer, the temperature in the shell is reduced by about 35% under the influence of the same intensity heat radiation on the outer surface.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A battery case, comprising a body, characterized in that: the body has first PET layer, PU layer, aluminium foil assembly layer and the second PET layer of laying in proper order along thickness direction, aluminium foil assembly layer is used for the reflection heat radiation.
2. The battery housing of claim 1, wherein: the aluminum foil total layer consists of an aluminum foil, an aluminum-plated film, a sol solution, a glue film and a grid.
3. The battery housing of claim 2, wherein: the gram weight of the aluminum foil is 18g/m2The gram weight of the aluminizer is 18g/m2The gram weight of the sol solution is 4g/m2The gram weight of the adhesive film is 55g/m2The grammes per square metre of the grid is 45g/m2。
4. The battery housing of claim 3, wherein: the adhesive film is coated on two sides.
5. The battery housing of claim 1, wherein: the thickness of the total layer of aluminum foil was 0.18 mm.
6. The battery housing of claim 1, wherein: the PU layer has a thickness of 5mm and a density of 15KG/M3。
7. The battery housing of claim 1, wherein: and binding the first PET layer, the PU layer, the aluminum foil total layer and the second PET layer together by adopting edge sealing.
8. The battery housing of claim 1, wherein: and a reinforcing rib is arranged at the lower edge of the body.
9. The battery housing of claim 1, wherein: the body wraps the storage battery core body and is fixed on the storage battery core body through the snap fasteners.
10. A battery comprising a battery core, characterized in that: the battery housing of any of claims 1-9, further comprising the battery housing covering and attached to the battery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609668.6A CN113471580A (en) | 2021-06-01 | 2021-06-01 | Battery case and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609668.6A CN113471580A (en) | 2021-06-01 | 2021-06-01 | Battery case and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113471580A true CN113471580A (en) | 2021-10-01 |
Family
ID=77872110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110609668.6A Pending CN113471580A (en) | 2021-06-01 | 2021-06-01 | Battery case and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113471580A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000251857A (en) * | 1999-03-02 | 2000-09-14 | Mitsubishi Chemicals Corp | Non-aqueous secondary battery |
| CN102187493A (en) * | 2009-06-08 | 2011-09-14 | 松下电器产业株式会社 | Battery pack |
| CN102602081A (en) * | 2012-03-16 | 2012-07-25 | 东莞市恒雅包装材料有限公司 | Anti-corrosion, anti-puncture and anti-short circuit melting through aluminum-plastic packaging film for lithium battery and manufacture method thereof |
| JP2014187044A (en) * | 2014-06-06 | 2014-10-02 | Sony Corp | Nonaqueous electrolyte battery |
| CN104393200A (en) * | 2014-10-22 | 2015-03-04 | 苏州市莱赛电车技术有限公司 | Battery box |
| CN204558542U (en) * | 2015-02-05 | 2015-08-12 | 江阴骏驰光电科技有限公司 | A kind of novel lithium battery aluminum plastic film |
| CN204558539U (en) * | 2015-02-05 | 2015-08-12 | 江阴骏驰光电科技有限公司 | The large-scale lithium battery aluminum-plastic film of a kind of antiseepage high sealing |
| US20190006642A1 (en) * | 2016-03-14 | 2019-01-03 | Panasonic Intellectual Property Management Co., Ltd. | Composite sheet and battery pack using same |
| JP2019021429A (en) * | 2017-07-12 | 2019-02-07 | 大日本印刷株式会社 | Battery-packaging material and battery |
| CN208946819U (en) * | 2018-06-29 | 2019-06-07 | 新纶复合材料科技（常州）有限公司 | A kind of high barrier aluminizer lithium ion battery aluminum plastic film |
| CN111640895A (en) * | 2020-06-09 | 2020-09-08 | 博戈橡胶塑料（株洲）有限公司 | New energy automobile battery box |
| CN211957729U (en) * | 2020-04-17 | 2020-11-17 | 杭州卡涞复合材料科技有限公司 | Frame structure of automobile fireproof composite battery box |
| CN212486814U (en) * | 2020-07-16 | 2021-02-05 | 北京凤凰座科技有限公司 | Be applied to new energy automobile's heating structure |
-
2021
- 2021-06-01 CN CN202110609668.6A patent/CN113471580A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000251857A (en) * | 1999-03-02 | 2000-09-14 | Mitsubishi Chemicals Corp | Non-aqueous secondary battery |
| CN102187493A (en) * | 2009-06-08 | 2011-09-14 | 松下电器产业株式会社 | Battery pack |
| CN102602081A (en) * | 2012-03-16 | 2012-07-25 | 东莞市恒雅包装材料有限公司 | Anti-corrosion, anti-puncture and anti-short circuit melting through aluminum-plastic packaging film for lithium battery and manufacture method thereof |
| JP2014187044A (en) * | 2014-06-06 | 2014-10-02 | Sony Corp | Nonaqueous electrolyte battery |
| CN104393200A (en) * | 2014-10-22 | 2015-03-04 | 苏州市莱赛电车技术有限公司 | Battery box |
| CN204558539U (en) * | 2015-02-05 | 2015-08-12 | 江阴骏驰光电科技有限公司 | The large-scale lithium battery aluminum-plastic film of a kind of antiseepage high sealing |
| CN204558542U (en) * | 2015-02-05 | 2015-08-12 | 江阴骏驰光电科技有限公司 | A kind of novel lithium battery aluminum plastic film |
| US20190006642A1 (en) * | 2016-03-14 | 2019-01-03 | Panasonic Intellectual Property Management Co., Ltd. | Composite sheet and battery pack using same |
| JP2019021429A (en) * | 2017-07-12 | 2019-02-07 | 大日本印刷株式会社 | Battery-packaging material and battery |
| CN208946819U (en) * | 2018-06-29 | 2019-06-07 | 新纶复合材料科技（常州）有限公司 | A kind of high barrier aluminizer lithium ion battery aluminum plastic film |
| CN211957729U (en) * | 2020-04-17 | 2020-11-17 | 杭州卡涞复合材料科技有限公司 | Frame structure of automobile fireproof composite battery box |
| CN111640895A (en) * | 2020-06-09 | 2020-09-08 | 博戈橡胶塑料（株洲）有限公司 | New energy automobile battery box |
| CN212486814U (en) * | 2020-07-16 | 2021-02-05 | 北京凤凰座科技有限公司 | Be applied to new energy automobile's heating structure |
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Application publication date: 20211001 |
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