CN217214858U - Lithium ion battery with integrated structure and application structure thereof - Google Patents
Lithium ion battery with integrated structure and application structure thereof Download PDFInfo
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- CN217214858U CN217214858U CN202220317549.3U CN202220317549U CN217214858U CN 217214858 U CN217214858 U CN 217214858U CN 202220317549 U CN202220317549 U CN 202220317549U CN 217214858 U CN217214858 U CN 217214858U
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- 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
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Abstract
The utility model relates to a battery technology field especially relates to a lithium ion battery of integral structure and application structure thereof, include: the protection circuit board, the first connecting sheet and the second connecting sheet; the protective circuit board is of an annular structure, the protective circuit board is sleeved on the first metal cover body, the lower surface of the protective circuit board is fixedly connected with the upper surface of the second metal cover body, one end of the first connecting sheet is fixedly connected with the protective circuit board, and the other end of the first connecting sheet is fixedly connected with the first metal cover body; one end of the second connecting sheet is fixedly connected with the protective circuit board, and the other end of the second connecting sheet is fixedly connected with the second metal cover body. The utility model provides a lithium ion battery of integral structure and applied structure thereof can guarantee the stability of electric current transmission through the protection circuit who sets up, and make full use of lithium ion battery's structure need not occupy extra battery space, and the lithium ion battery's of being convenient for change, and the practicality is high.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a lithium ion battery of integral structure and application structure thereof.
Background
Scientific development is in a thousand days, and many portable electronic products are increasingly light, thin, short, small and compact, and have increasingly complex functions, so that the requirements on the use of lithium ion batteries are increasingly high. Especially, in recent years, a wearable 3C consumer electronics market has scraped a lot of sales cyclones (such as TWS earphones), and has become an indispensable electronic product in modern life.
When the existing lithium ion battery is used, a matched battery protection circuit is usually needed to protect the battery and other electric devices from being damaged under extreme conditions, and the stability of current transmission is ensured. At present, 2 types of commonly used battery protection circuit boards are provided, one type is that an independent battery protection circuit board is arranged for connection, the working state of a battery is monitored, and a circuit is cut off when a set condition is reached; the other type integrates the protection circuit board on the mainboard of the electronic product, and has the same function. Because the independent battery protection circuit board needs to occupy extra space, is not suitable for compact structure's small-size product, and with the integrated electronic product mainboard of protection circuit board for the mainboard design is more complicated, and the transform of the battery of being not convenient for, and the practicality is not high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the protection circuit board that sets up among the prior art and need occupy extra space to and be not convenient for lithium ion battery's change on the integrated electronic product mainboard of protection circuit board, the not high problem of practicality, the utility model provides a lithium ion battery of integral structure and applied structure can guarantee the stability of electric current transmission through the protection circuit who sets up, make full use of lithium ion battery's structure need not occupy extra battery space, and the lithium ion battery's of being convenient for change, and the practicality is high.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a lithium ion battery of integral structure, lithium ion battery includes the shell and locates lid structure on the shell, the shell is one end open-ended cavity tubular structure, lid structure locates the opening part of shell, lid structure includes first metal lid and the second metal lid of mutual insulation, second metal lid is the loop configuration, second metal lid cover is established on the first metal lid, lithium ion battery still includes: the protection circuit board, the first connecting sheet and the second connecting sheet; the protective circuit board is of an annular structure, the protective circuit board is sleeved on the first metal cover body, and the lower surface of the protective circuit board is fixedly connected with the upper surface of the second metal cover body; one end of the first connecting sheet is fixedly connected with the protection circuit board, and the other end of the first connecting sheet is fixedly connected with the first metal cover body; one end of the second connecting sheet is fixedly connected with the protection circuit board, and the other end of the second connecting sheet is fixedly connected with the second metal cover body. The stability of current transfer can be guaranteed through the protection circuit who sets up, and make full use of lithium ion battery's lid structure, need not occupy extra battery space, the lithium ion battery's of being convenient for change, the practicality is high.
Further, specifically, in order to facilitate the installation of the second connecting piece, a notch is provided inward on the outer ring edge of the protection circuit board.
Further, specifically, in order to further improve the space utilization, the outer diameter of the second metal cover is d1, the outer diameter of the circle where the outer contour of the protection circuit board is located is d2, the outer diameter of the protection circuit board is d2 or less than d1., and the thickness of the protection circuit board is less than or equal to the height between the upper surface of the first metal cover and the upper surface of the second metal cover.
Further, specifically, in order to facilitate rapid assembly of the protection circuit board with the first connection piece and the second connection piece, the protection circuit board includes a protection circuit, a first pad, a second pad, a third pad, and a fourth pad; the first welding plate is close to the inner ring edge of the protection circuit board and arranged on the upper surface of the protection circuit board; the second bonding pad is close to the inner wall of one side of the notch and arranged on the upper surface of the protection circuit board; the third bonding pad and the fourth bonding pad are close to the edge of the outer ring and are arranged on the upper surface of the protection circuit board; the first bonding pad is electrically connected with the third bonding pad through the protection circuit, and the second bonding pad is electrically connected with the fourth bonding pad through the protection circuit.
Further, specifically, in order to firmly connect the first connecting sheet with the protection circuit board and the first metal cover, the first pad is welded and fixed to one end of the first connecting sheet, and the other end of the first connecting sheet is connected with the first metal cover by laser spot welding.
Further, specifically, for the integrated structure of the lithium ion battery, the appearance is attractive, the notch is a fan-shaped notch, the second connecting piece is a fan-shaped annular connecting piece, the second connecting piece is partially arranged at the notch, and the fan-shaped notch is matched with the fan-shaped annular connecting piece.
Further, specifically, in order to firmly connect the second connecting sheet with the protection circuit board and the second metal cover body, the second bonding pad is welded and fixed to one end of the second connecting sheet, and the other end of the second connecting sheet is connected with the upper surface of the second metal cover body through laser spot welding.
Further, in order to realize a quick connection with an electronic product, a first electrode line is fixedly connected to the third pad, and a second electrode line is fixedly connected to the fourth pad.
Further, specifically, the lithium ion battery is protected through a protection circuit, so that the stability of current transfer is ensured, wherein the protection circuit comprises a battery protection chip, a first resistor R1, a second resistor R2, a first capacitor C1 and a second capacitor C2; the first bonding pad and the third bonding pad are electrically connected with one end of a first resistor R1, the other end of the first resistor R1 is electrically connected with a VDD pin of the battery protection chip, the other end of a resistor R1 is electrically connected with one end of a first capacitor C1, the other end of a first capacitor C1 is electrically connected with a second bonding pad, the other end of the first capacitor C1 is electrically connected with a VSS pin of the battery protection chip, an S2 pin of the battery protection chip and the second bonding pad are electrically connected with one end of a second capacitor C2, one ends of a battery protection chip S1 pin and a second resistor R2 are electrically connected with the other end of a second capacitor C2, one end of a second resistor R2 is electrically connected with a fourth bonding pad, and the other end of a second resistor R2 is electrically connected with a VM pin of the battery protection chip.
An application structure of a lithium ion battery comprises the lithium ion battery and an electronic product which are of an integrated structure.
The beneficial effects of the utility model are that, the utility model discloses a protection circuit board through setting up is used for protecting the stability of the current transmission between electronic product and the lithium ion battery, and sets up the protection circuit board at the upper surface of lid structure, utilizes limited space equipment battery and protection shield, and space utilization is high, and compact structure, simple manufacture, and the supporting equipment of battery protection circuit board and lithium ion battery, is convenient for change, and the practicality is high. In addition, through further improvement, the quick connection with the electronic product can be realized, and the welding is simple and convenient to install.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of the structure of the lithium ion battery cover of the present invention.
Fig. 3 is a schematic diagram of the protection circuit board structure of the present invention.
Fig. 4 is a schematic view illustrating the assembly of the protection circuit board according to the present invention.
Fig. 5 is a protection circuit diagram of the present invention.
In the figure, the structure comprises a shell 1, a shell 2, a cover body structure 3, a first metal cover body 4, a second metal cover body 5, a protective circuit board 6, a first connecting sheet 7, a second connecting sheet 8, a first electrode wire 9, a second electrode wire 51, a notch 52, a first welding disc 53, a second welding disc 54, a third welding disc 55 and a fourth welding disc.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in FIG. 1, the best embodiment of the present invention is a lithium ion battery with an integrated structure, which comprises a housing 1 and a cover structure 2 disposed on the housing 1, wherein the housing 1 is a hollow tubular structure with an open end, the cover structure 2 is disposed at the opening of the housing 1, as shown in FIG. 2, the cover structure 2 comprises a first metal cover 3 and a second metal cover 4 insulated from each other, the second metal cover 4 is an annular structure, the second metal cover 4 is sleeved on the first metal cover 3, further, the first metal cover 3 comprises a body and a protrusion protruding from the body, the second metal cover 4 is sleeved on the protrusion of the first metal cover 3, an insulating connecting member is further disposed between the first metal cover 3 and the second metal cover 4, and is used for insulating the first metal cover 3 from the second metal cover 4, the first metal cover 3, The insulating connecting member and the second metal cover 4 are sequentially arranged from top to bottom along the axial direction of the housing 1. Wherein, the lithium ion battery of integrated structure still includes: a protection circuit board 5, a first connecting piece 6 and a second connecting piece 7; the protective circuit board 5 is of an annular structure, the protective circuit board 5 is sleeved on the first metal cover body 3, and the lower surface of the protective circuit board 5 is fixedly connected with the upper surface of the second metal cover body 4; one end of the first connecting sheet 6 is fixedly connected with the protective circuit board 5, and the other end of the first connecting sheet 6 is fixedly connected with the first metal cover body 3; one end of the second connecting sheet 7 is fixedly connected with the protection circuit board 5, and the other end of the second connecting sheet 7 is fixedly connected with the second metal cover 4. The stability of current transfer can be guaranteed through the protection circuit who sets up, and make full use of lithium ion battery's lid structure, need not occupy extra battery space, the lithium ion battery's of being convenient for change, the practicality is high.
Specifically, the lower surface of the protection circuit board 5 is fixedly connected with the upper surface of the second metal cover body 4 in a bonding manner, including but not limited to the double faced adhesive tape bonding, the outer ring edge of the protection circuit board 5 is provided with a notch 51 inwards, the installation of the second connecting sheet 7 is facilitated, the notch 51 is a fan-shaped notch, the second connecting sheet 7 is a fan-shaped annular connecting sheet, the part of the second connecting sheet 7 is arranged at the notch 51, and the fan-shaped notch is matched with the fan-shaped annular connecting sheet, so that the appearance of the lithium ion battery with the integrated structure is attractive.
In the embodiment of the utility model, the external diameter of bulge is d0, the external diameter of second metal lid 4 is d1, the external diameter of protection circuit board 5 is d2, the external diameter of protection circuit board 5 is d1 ≥ d2> d0. and the thickness of protection circuit board is less than or equal to the height between first metal lid 3 upper surface and the second metal lid 4 upper surface (the height between first metal lid 3 upper surface and the second metal lid 4 upper surface is h), the space of make full use of lid structure 2's upper surface, need not additionally occupy extra space, further improve space utilization height.
In the embodiment of the present invention, as shown in fig. 3, the protection circuit board 5 includes a protection circuit, a first pad 52, a second pad 53, a third pad 54, and a fourth pad 55; the first land 52 is close to the inner ring edge of the protection circuit board 5, and is provided on the upper surface of the protection circuit board 5; the second pad 53 is arranged on the upper surface of the protection circuit board 5, close to the inner wall of one side of the notch 51; the third pad 54 and the fourth pad 55 are both close to the outer ring edge and are disposed on the upper surface of the protection circuit board 5; the first pad 52 and the third pad 54 are electrically connected to each other through a protection circuit, and the second pad 53 and the fourth pad 55 are electrically connected to each other through a protection circuit. The first land 52 is fixed to the lower surface of one end of the first connection piece 6 by welding, and the other end of the first connection piece 6 is connected to the first metal cover 3 by laser spot welding, so that the first connection piece is firmly connected to the protection circuit board and the first metal cover. The second bonding pad 53 is welded and fixed to the lower surface of one end of the second connecting sheet 7, and the other end of the second connecting sheet 7 is connected to the upper surface of the second metal cover 4 by laser spot welding, so that the second connecting sheet is firmly connected to the protection circuit board and the second metal cover.
In practical application, generally, the first metal cover 3 is a battery anode, the second metal cover 4 is a battery cathode, and the first pad 52, the second pad 53, the third pad 54, and the fourth pad 55 can be respectively provided with an anode identifier and a cathode identifier, so that a welder can distinguish the anode identifier and the cathode identifier, and the welding difficulty is further reduced.
In some embodiments of the present invention, the first pad 52 is close to the inner ring edge of the protection circuit board 5 and is disposed on the lower surface of the protection circuit board 5; the second bonding pad 53 is close to the inner wall of one side of the notch 51 and is arranged on the lower surface of the protection circuit board 5, the first bonding pad 52 is fixedly connected with the upper surface of one end of the first connecting sheet 6, and the other end of the first connecting sheet 6 is connected with the first metal cover body 3 through laser spot welding. The second bonding pad 53 is fixedly connected with the upper surface of one end of the second connecting sheet 7, the other end of the second connecting sheet 7 is connected with the upper surface of the second metal cover 4 in a laser spot welding mode, and compared with the first bonding pad 52 and the second bonding pad 53 arranged on the upper surface of the protection circuit board, the first bonding pad 52 and the second bonding pad 53 are arranged on the upper surface of the protection circuit board, so that the welding is more convenient, and the assembly is convenient.
In the related art, a lithium ion battery is usually welded to an electrode line of an electronic product in an application scenario to keep the lithium ion battery and the electronic product conductive. At present, manufacturers have directly connected the lithium ion battery to the electronic product by welding (e.g., spot welding impedance welding, ultrasonic welding, laser spot welding, and electric welding of conduction medium value welding type). And lithium ion battery's shell 1 is made by stainless steel material, and the welded fastening degree of difficulty of stainless steel material and electrode line is great, leads to welding efficiency lower, has reduced lithium ion battery and electronic product's installation effectiveness, simultaneously, in welding process, leads to lithium ion battery's shell 1 to damage easily, and then reduces lithium ion battery's life, leads to lithium ion battery to scrap even. Therefore, in the embodiment of the present invention, as shown in fig. 4, the lithium ion battery of an integrated structure further includes a first electrode line 8 and a second electrode line 9, the first electrode line 8 is fixedly connected to the third pad 54, the second electrode line 9 is fixedly connected to the fourth pad 55, the first electrode line 8 and the second electrode line 9 are used for being connected to an electronic product, because the electrode line of the electronic product is not directly welded to the lithium ion battery, the lithium ion battery can be prevented from being damaged by the welding process. If the electric energy of the lithium ion battery is exhausted or fails, the lithium ion battery can be detached and replaced through the protective circuit board 5 of the lithium ion battery with an integrated structure, so that the replacement difficulty of the lithium ion battery is reduced, and the replacement efficiency of the lithium ion battery is improved.
In the embodiment of the present invention, as shown in fig. 5, the protection circuit includes a battery protection chip, a first resistor R1, a second resistor R2, a first capacitor C1, and a second capacitor C2; the first pad 52 and the third pad 54 are electrically connected to one end of a first resistor R1, the other end of the first resistor R1 is electrically connected to a VDD pin of the battery protection chip, the other end of the resistor R1 is also electrically connected to one end of a first capacitor C1, the other end of the first capacitor C1 is electrically connected to a second pad 53, the other end of the first capacitor C1 is also electrically connected to a VSS pin of the battery protection chip, the pin S2 and the second pad 53 of the battery protection chip are both electrically connected to one end of a second capacitor C2, the pin S1 of the battery protection chip and one end of a second resistor R2 are both electrically connected to the other end of the second capacitor C2, one end of the second resistor R2 is also electrically connected to a fourth pad 55, and the other end of the second resistor R2 is electrically connected to a VM pin of the battery protection chip. The battery protection chip is preferably a BM197 series processing chip of biddi. The battery protection circuit is used for protecting the current stability between the electronic product and the lithium ion battery, preventing the lithium ion battery or the electronic product from being damaged when one of the lithium ion battery or the electronic product is in fault, improving the current transmission stability of the lithium ion battery protection circuit board 5, and being used for overcharge and overdischarge protection and overcurrent and short circuit protection.
In practical application, in order to make the structure of the protection circuit board and the lithium ion battery more compact and occupy less space, the battery protection chip, the first resistor R1, the second resistor R2, the first capacitor C1 and the second capacitor C2 used by the protection circuit are all packaged by patches, so that the space utilization rate is further improved.
An application structure of a lithium ion battery comprises the lithium ion battery and an electronic product which are integrally structured. The electronic product is a miniature mobile wearable electronic product, including but not limited to TWS earphones, smart watches, smart glasses, and hearing aids.
The utility model discloses a lithium ion battery of integral structure is used for protecting the stability of the electric current transmission between electronic product and the lithium ion battery through the protection circuit board 5 that sets up, and sets up protection circuit board 5 at the upper surface of lid structure 2, utilizes limited space equipment battery and protection shield, and space utilization is high, and compact structure, simple manufacture, and the supporting equipment of battery protection circuit board 5 and lithium ion battery, is convenient for change, and the practicality is high.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a lithium ion battery of integral structure, lithium ion battery includes shell (1) and locates lid structure (2) on shell (1), shell (1) is one end open-ended cavity tubular structure, lid structure (2) are located the opening part of shell (1), lid structure (2) are including first metal lid (3) and second metal lid (4) of mutual insulation, second metal lid (4) are the loop configuration, second metal lid (4) cover is established on first metal lid (3), its characterized in that: the lithium ion battery further includes: a protective circuit board (5), a first connecting sheet (6) and a second connecting sheet (7);
the protective circuit board (5) is of an annular structure, the protective circuit board (5) is sleeved on the first metal cover body (3), and the lower surface of the protective circuit board (5) is fixedly connected with the upper surface of the second metal cover body (4);
one end of the first connecting sheet (6) is fixedly connected with the protective circuit board (5), and the other end of the first connecting sheet (6) is fixedly connected with the first metal cover body (3);
one end of the second connecting sheet (7) is fixedly connected with the protective circuit board (5), and the other end of the second connecting sheet (7) is fixedly connected with the second metal cover body (4).
2. The integrally structured lithium ion battery of claim 1, wherein: and a notch (51) is inwards arranged on the edge of the outer ring of the protection circuit board (5).
3. The integrally structured lithium ion battery of claim 2, wherein: the outer diameter of the second metal cover body (4) is d1, the outer diameter of a circle where the outer contour of the protection circuit board (5) is located is d2, the outer diameter of the protection circuit board (5) is d2 or less than d1, and the thickness of the protection circuit board (5) is smaller than or equal to the height between the upper surface of the first metal cover body (3) and the upper surface of the second metal cover body (4).
4. The integrally structured lithium ion battery of claim 3, wherein: the protection circuit board (5) includes a protection circuit, a first pad (52), a second pad (53), a third pad (54), and a fourth pad (55);
the first welding plate (52) is close to the inner ring edge of the protective circuit board (5) and arranged on the upper surface of the protective circuit board (5);
the second bonding pad (53) is close to the inner wall of one side of the notch (51) and arranged on the upper surface of the protective circuit board (5);
the third pad (54) and the fourth pad (55) are close to the edge of the outer ring and arranged on the upper surface of the protective circuit board (5);
the first pad (52) and the third pad (54) are electrically connected by the protection circuit, and the second pad (53) and the fourth pad (55) are electrically connected by the protection circuit.
5. The integrally structured lithium ion battery of claim 4, wherein: the first welding disc (52) is fixedly welded with one end of the first connecting sheet (6), and the other end of the first connecting sheet (6) is connected with the first metal cover body (3) in a laser spot welding mode.
6. The integrally structured lithium ion battery of claim 4, wherein: the notch (51) is a fan-shaped notch, the second connecting piece (7) is a fan-shaped annular connecting piece, the second connecting piece (7) is partially arranged at the notch (51), and the fan-shaped notch is matched with the fan-shaped annular connecting piece.
7. The integrally structured lithium ion battery of claim 6, wherein: the second bonding pad (53) is fixedly welded with one end of the second connecting sheet (7), and the other end of the second connecting sheet (7) is connected with the upper surface of the second metal cover body (4) through laser spot welding.
8. The integrally structured lithium ion battery of claim 4, wherein: and a first electrode wire (8) is fixedly connected to the third bonding pad (54), and a second electrode wire (9) is fixedly connected to the fourth bonding pad (55).
9. The integrally structured lithium ion battery of claim 4, wherein: the protection circuit comprises a battery protection chip, a first resistor R1, a second resistor R2, a first capacitor C1 and a second capacitor C2;
the first pad (52) and the third pad (54) are each electrically connected to one end of the first resistor R1, the other end of the first resistor R1 is electrically connected with the VDD pin of the battery protection chip, the other end of the resistor R1 is also electrically connected with one end of the first capacitor C1, the other end of the first capacitor C1 is electrically connected with the second bonding pad (53), the other end of the first capacitor C1 is also electrically connected with the VSS pin of the battery protection chip, the pin S2 of the battery protection chip and the second bonding pad (53) are electrically connected with one end of the second capacitor C2, the pin S1 of the battery protection chip and one end of the second resistor R2 are both electrically connected with the other end of the second capacitor C2, one end of the second resistor R2 is also electrically connected with the fourth bonding pad (55), and the other end of the second resistor R2 is electrically connected with the battery protection chip VM pin.
10. An application structure of a lithium ion battery is characterized in that: lithium ion batteries and electronic products comprising a unified structure according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220317549.3U CN217214858U (en) | 2022-02-17 | 2022-02-17 | Lithium ion battery with integrated structure and application structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220317549.3U CN217214858U (en) | 2022-02-17 | 2022-02-17 | Lithium ion battery with integrated structure and application structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217214858U true CN217214858U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220317549.3U Active CN217214858U (en) | 2022-02-17 | 2022-02-17 | Lithium ion battery with integrated structure and application structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217214858U (en) |
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2022
- 2022-02-17 CN CN202220317549.3U patent/CN217214858U/en active Active
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