CN113659252A - Battery pack structure - Google Patents
Battery pack structure Download PDFInfo
- Publication number
- CN113659252A CN113659252A CN202110782062.2A CN202110782062A CN113659252A CN 113659252 A CN113659252 A CN 113659252A CN 202110782062 A CN202110782062 A CN 202110782062A CN 113659252 A CN113659252 A CN 113659252A
- Authority
- CN
- China
- Prior art keywords
- plastic film
- aluminum
- battery pack
- electric core
- plastic
- 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.)
- Withdrawn
Links
- 239000002985 plastic film Substances 0.000 claims abstract description 25
- 229920006255 plastic film Polymers 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 238000007747 plating Methods 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000004806 packaging method and process Methods 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 description 16
- 239000012528 membrane Substances 0.000 description 16
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 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
-
- 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
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a battery pack structure which comprises an electric core (1) and a protective plate (2), wherein an aluminum-plastic film (9) used for packaging the electric core is arranged outside the electric core, the aluminum-plastic film comprises two pieces which are oppositely arranged up and down, the edges of the two pieces of aluminum-plastic film are hermetically connected, the electric core is packaged in the two pieces of aluminum-plastic film, a 45-degree folding angle (10) is arranged around the two pieces of aluminum-plastic film, the 45-degree folding angle is formed by inwards folding the corners of the two pieces of aluminum-plastic film by 180 degrees, a plastic protective sleeve (8) used for packaging the aluminum-plastic film is arranged on the outer surface of the aluminum-plastic film, and a positive electrode lug (3) and a negative electrode lug (4) are arranged on the electric core. According to the invention, the 45-degree folding angles are arranged around the two aluminum-plastic films, the 45-degree folding angles are formed by inwards folding the corners of the two aluminum-plastic films by 180 degrees, and the plastic protective sleeve for wrapping the aluminum-plastic films is arranged on the outer surface of the aluminum-plastic films, so that the problems of unsealing and electric leakage of battery cell packaging can be well solved.
Description
Technical Field
The invention relates to the field of battery pack structures, in particular to a battery pack structure.
Background
In the manufacturing process of the miniature battery pack structure, the battery cell is often required to be packaged, but the existing battery cell packaging has the condition of unsealing, and the existing battery cell has the possibility of electric leakage under the condition of meeting moisture or rainwater.
Disclosure of Invention
The invention provides a battery pack structure, which solves the problems of unsealing and electric leakage of battery cell packaging in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a battery package structure, includes electric core and protection shield electric core outside is equipped with and is used for the encapsulation the plastic-aluminum membrane of electric core, the plastic-aluminum membrane contains two of relative setting from top to bottom, two the edge sealing connection of plastic-aluminum membrane, electric core encapsulation is two in the plastic-aluminum membrane, two be equipped with 45 folding angle around the plastic-aluminum membrane, 45 folding angle is through two the corner of plastic-aluminum membrane is folding 180 inwards forms the outward appearance of plastic-aluminum membrane is equipped with and is used for the parcel the plastic protective sheath of plastic-aluminum membrane be equipped with anodal utmost point ear and negative pole utmost point ear on the electric core, anodal utmost point ear with negative pole utmost point ear all with the protection shield is connected be equipped with anodal lead-out wire and negative pole lead-out wire on the protection shield.
Preferably, the protection shield contains PCB plate layer, copper plating layer and welding layer in proper order, the welding layer is nickel plating layer or heavy nickel layer, anodal utmost point ear with negative pole utmost point ear all with welding layer fixed connection.
Preferably, the positive electrode lug and the negative electrode lug are fixedly connected with the welding layer in a spot welding mode.
Preferably, a chip for controlling the protection plate is arranged on the protection plate.
Preferably, the chip 7 is disposed on one face of the PCB board layer.
Preferably, the overall shapes of the protection plate and the battery cell are both rectangular.
Preferably, the edges of the protection plate and the battery cell are arranged in parallel.
Preferably, the distance between the protective plate and the battery cell is 0.1mm-5.0 mm.
The invention has the following beneficial effects: compared with the existing design, the invention arranges 45-degree folding angles at the periphery of the two aluminum-plastic films, the 45-degree folding angles are formed by inwards folding the corners of the two aluminum-plastic films by 180 degrees, the plastic protective sleeve used for wrapping the aluminum-plastic films is arranged on the outer surface of the aluminum-plastic films, and the problems of unsealing and electric leakage of the electric core packaging can be well solved.
Drawings
Fig. 1 is a top view of a battery pack structure according to the present invention.
Fig. 2 is a side view of the bottom 45 fold angle of the battery pack structure of the present invention.
Fig. 3 is a cross-sectional view of a side surface and a protection plate of the battery pack structure according to the present invention.
Names of the corresponding components or flow names represented by numerals or letters in the drawings: 1. an electric core; 2. the protection plate comprises a protection plate, a PCB plate layer, a copper plating layer and a welding layer, wherein the protection plate comprises 21 a PCB plate layer, 22 a copper plating layer and 23 a welding layer; 3. a positive electrode tab; 4. a negative electrode tab; 5. a positive electrode lead-out wire; 6. a negative lead-out wire; 7. a chip; 8. a plastic protective sleeve; 9. an aluminum-plastic film; a fold angle of 10.45 deg..
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples. The method comprises the following specific steps:
as shown in the figure, the battery package structure, including electric core 1 and protection shield 2, be equipped with the plastic-aluminum membrane 9 that is used for encapsulating electric core 1 in electric core 1 outside, two that the plastic-aluminum membrane 9 contained relative setting from top to bottom, the edge sealing connection of two plastic-aluminum membranes 9, electric core 1 encapsulates in two plastic-aluminum membranes 9, be equipped with 45 folding angle 10 around two plastic-aluminum membranes 9, 45 folding angle 10 is through the inside folding 180 formation of corner of two plastic-aluminum membranes 9, the outward appearance of plastic-aluminum membrane 9 is equipped with plastic protective sheath 8 that is used for wrapping up plastic-aluminum membrane 9, be equipped with anodal utmost point ear 3 and negative pole utmost point ear 4 on electric core 1, anodal utmost point ear 3 and negative pole utmost point ear 4 all are connected with protection shield 2, be equipped with anodal lead-out wire 5 and negative pole lead-out wire 6 on protection shield 2.
Specifically, the protection plate 2 sequentially comprises a PCB plate layer 21, a copper plating layer 22 and a welding layer 23, the welding layer 23 is a nickel plating layer or a nickel deposition layer, and the positive electrode tab 3 and the negative electrode tab 4 are fixedly connected with the welding layer 23.
Specifically, the positive electrode tab 3 and the negative electrode tab 4 are fixedly connected with the welding layer 23 in a spot welding manner.
Specifically, the protection plate 2 is provided with a chip 7 for controlling the protection plate 2.
Specifically, the chip 7 is disposed on one side of the PCB board layer 21.
Specifically, the overall shapes of the protection plate 2 and the battery cell 1 are both rectangular.
Specifically, the edges of the protection plate 2 and the battery cell 1 are arranged in parallel.
Specifically, the distance between the protective plate 2 and the battery core 1 is 0.1mm-5.0 mm.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A battery pack structure, comprising: including electric core (1) and protection shield (2) electric core (1) outside is equipped with and is used for the encapsulation aluminium-plastic film (9) of electric core (1), aluminium-plastic film (9) contain relative two, two about the aluminium-plastic film (9) edge sealing connects, electric core (1) encapsulation is in two in aluminium-plastic film (9), two be equipped with 45 folding angle (10) around aluminium-plastic film (9), 45 folding angle (10) are through two the corner infolding 180 of aluminium-plastic film (9) forms, the outward appearance of aluminium-plastic film (9) is equipped with plastic protective sheath (8) that are used for the parcel aluminium-plastic film (9) be equipped with anodal utmost point ear (3) and negative pole utmost point ear (4) on electric core (1), anodal utmost point ear (3) with negative pole utmost point ear (4) all with protection shield (2) are connected, and a positive electrode lead-out wire (5) and a negative electrode lead-out wire (6) are arranged on the protection plate (2).
2. The battery pack structure of claim 1, wherein: the protection shield (2) contain PCB plate layer (21), copper plating layer (22) and welding layer (23) in proper order, welding layer (23) are for the nickel coating or sink the nickel coating, anodal utmost point ear (3) with negative pole utmost point ear (4) all with welding layer (23) fixed connection.
3. The battery pack structure of claim 2, wherein: the positive electrode lug (3) and the negative electrode lug (4) are fixedly connected with the welding layer (23) in a spot welding mode.
4. The battery pack structure of claim 1, wherein: the protection plate (2) is provided with a chip (7) for controlling the protection plate (2).
5. The battery pack structure of claim 4, wherein: the chip (7) is arranged on one surface of the PCB layer (21).
6. The battery pack structure according to any one of claims 1 to 5, wherein: the whole appearance of the protection plate (2) and the whole appearance of the battery cell (1) are both rectangular.
7. The battery pack structure of claim 6, wherein: the edges of the protection plate (2) and the battery cell (1) are arranged in parallel.
8. The battery pack structure of claim 7, wherein: the distance between the protective plate (2) and the battery cell (1) is 0.1mm-5.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782062.2A CN113659252A (en) | 2021-07-12 | 2021-07-12 | Battery pack structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782062.2A CN113659252A (en) | 2021-07-12 | 2021-07-12 | Battery pack structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113659252A true CN113659252A (en) | 2021-11-16 |
Family
ID=78477251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110782062.2A Withdrawn CN113659252A (en) | 2021-07-12 | 2021-07-12 | Battery pack structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113659252A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023245489A1 (en) * | 2022-06-22 | 2023-12-28 | 东莞新能德科技有限公司 | Battery and electric apparatus |
-
2021
- 2021-07-12 CN CN202110782062.2A patent/CN113659252A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023245489A1 (en) * | 2022-06-22 | 2023-12-28 | 东莞新能德科技有限公司 | Battery and electric apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211116 |