A semi-solid battery power bank

Abstract

This utility model discloses a semi-solid-state battery power bank, including a housing, a PCB board, a battery cell, and a wireless charging module disposed within the housing. The PCB board and the battery cell are located at opposite ends of the housing, while the wireless charging module is located on the top surface of the battery cell. The battery cell is a semi-solid-state cell, and both the battery cell and the wireless charging module are electrically connected to the PCB board. Battery cell foam is attached to the bottom surface of the battery cell, and barley paper is placed at the end of the battery cell. Heat sinks are attached to both the top and bottom surfaces of the PCB board. This utility model's semi-solid-state battery power bank achieves a more rational internal layout by placing the PCB board and battery cell at opposite ends of the housing and placing the wireless charging module on the top surface of the battery cell, thereby reducing the overall size of the power bank. The use of a semi-solid-state battery cell effectively reduces the risk of leakage and short circuits. Combined with the battery cell foam, barley paper, and heat sinks, the battery cell and PCB board are effectively protected, thus improving the safety of the power bank.

Description

Technical Field

[0001] This utility model relates to the field of mobile power technology, and in particular to a semi-solid-state battery mobile power supply. Background Technology

[0002] A portable power bank, also known as a power bank, is a portable charging device that integrates power supply and charging functions. It typically uses a liquid electrolyte lithium battery as the energy storage medium and consists of the battery, circuit board, casing material, thermistor, PTC, and other components. A portable power bank has a battery for storing electrical energy and a circuit for stabilizing the output voltage. Most portable power banks also come with a charger as a built-in charging battery.

[0003] Currently, most portable power banks on the market use liquid electrolyte lithium batteries, with a small number using solid-state batteries. However, portable power banks using liquid electrolyte lithium batteries have certain safety hazards, such as overheating, leakage, and flammability. Furthermore, the internal structure design of these power banks is not optimized, resulting in large size and heavy weight, which affects portability. While portable power banks using solid-state batteries offer higher safety and energy density, they are more expensive and difficult to mass-produce. Therefore, it is necessary to improve the existing portable power bank technology to address these issues. Utility Model Content

[0004] The purpose of this invention is to provide a semi-solid battery mobile power supply with a high safety factor and a reasonable layout.

[0005] To solve the above technical problems, the present invention can be implemented using the following technical solutions: A semi-solid-state battery power bank includes a housing, a PCB board, a battery cell, and a wireless charging module disposed within the housing. The PCB board and the battery cell are located at opposite ends within the housing, while the wireless charging module is located on the top surface of the battery cell. The battery cell is a semi-solid-state battery cell, and both the battery cell and the wireless charging module are electrically connected to the PCB board. Battery cell foam is attached to the bottom surface of the battery cell, and barley paper is provided at the end of the battery cell. Heat sinks are attached to both the top and bottom surfaces of the PCB board.

[0006] In one embodiment, the housing includes an upper shell and a lower shell that overlap each other. The PCB board is fixed to one end of the lower shell with screws, and the battery cell is placed at the other end of the lower shell. The inner sidewall of the upper shell is provided with a fastening platform, and the inner sidewall of the lower shell is provided with a fastening groove that cooperates with the fastening platform. The fastening platform is fastened into the fastening groove so that the upper shell and the lower shell overlap each other.

[0007] In one embodiment, the wireless charging module includes a ring magnet and a coil. The ring magnet is located outside the coil and is bonded to the upper shell by a first adhesive. The coil is bonded to the top surface of the battery cell by a second adhesive and is electrically connected to the PCB board by leads.

[0008] In one embodiment, the upper shell is further bonded with a tail magnet, and a tail magnet foam is disposed between the tail magnet and the battery cell.

[0009] In one embodiment, the upper shell has a first sinker and a second sinker, with the annular magnet portion located in the first sinker and the tail magnet portion located in the second sinker.

[0010] In one embodiment, the PCB board has TYPE-C interfaces on its adjacent sides, and the side wall of the lower shell has clearance holes corresponding to the TYPE-C interfaces.

[0011] In one embodiment, the bottom of the lower shell is provided with a receiving groove, and a bracket is provided in the receiving groove. One end of the bracket is connected to the lower shell through a rotating shaft, and the other end is provided with a buckle. The receiving groove is also provided with a slot corresponding to the buckle.

[0012] In one embodiment, the heat sink is made of porous vacuum silicon and nano-carbon copper foil. Beneficial effects

[0013] This utility model relates to a semi-solid-state battery power bank. The PCB board and battery cell are respectively located at opposite ends of the casing, with the wireless charging module positioned on the top surface of the battery cell. This rational internal layout reduces the overall size of the power bank and enables both wired and wireless charging, thus improving its practicality. Furthermore, the battery cell is a semi-solid-state cell, combining the stability of solid electrolytes with the ionic conductivity of liquid electrolytes, effectively reducing the risk of leakage and short circuits. The bottom surface of the battery cell is covered with cell foam, and the ends are lined with barley paper. Heat sinks are attached to both the top and bottom surfaces of the PCB board. These elements effectively protect the battery cell and PCB board, enhancing the power bank's safety. Attached Figure Description

[0014] Figure 1 This is an exploded schematic diagram of the semi-solid battery mobile power supply of this utility model; Figure 2 This is a schematic diagram of the structure of the semi-solid battery mobile power supply of this utility model; Figure 3 This is a schematic diagram of the upper shell structure of the semi-solid battery power bank of this utility model. Figure 4 This is a schematic diagram of the lower shell structure of the semi-solid-state battery power bank of this utility model. Figure 1; Figure 5 This is a schematic diagram of the lower shell structure of the semi-solid-state battery power bank of this utility model. Figure 2 .

[0015] As shown in the attached diagram: 100. Shell; 110. Upper shell; 111. Snapping platform; 112. First recessed groove; 113. Second recessed groove; 120. Lower shell; 121. Snapping groove; 122. Clearance hole; 123. Receiving groove; 124. Locking groove; 200. PCB board; 210. Heat sink; 220. Screws; 300. Battery cell; 310. Battery cell foam; 320. Barley paper; 400. Wireless charging module; 410. Ring magnet; 420. Coil; 430. First adhesive component; 440. Second adhesive component; 500, tail magnet; 510, tail magnet foam; 600, bracket; 610, pivot; 620, buckle. Detailed Implementation

[0016] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0017] It should be noted that when an element is said to be "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is said to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. Conversely, when an element is said to be "directly on" another element, there is no intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0019] Please see Figures 1 to 5A semi-solid-state battery power bank includes a housing 100, a PCB board 200, a battery cell 300, and a wireless charging module 400 disposed within the housing 100. The PCB board 200 and the battery cell 300 are located at opposite ends within the housing 100, while the wireless charging module 400 is located on the top surface of the battery cell 300. The battery cell 300 is a semi-solid-state battery cell, and both the battery cell 300 and the wireless charging module 400 are electrically connected to the PCB board 200. A battery cell foam 310 is attached to the bottom surface of the battery cell 300, and barley paper 320 is provided at the end of the battery cell 300. Heat sinks 210 are attached to both the top and bottom surfaces of the PCB board 200.

[0020] Specifically, in this embodiment, the PCB board 200 and the battery cell 300 are respectively installed at both ends inside the housing 100, and the wireless charging module 400 is placed on the top surface of the battery cell 300. This arrangement allows for a reasonable internal layout of the housing 100, thereby reducing the overall size of the power bank and enabling both wired and wireless charging functions, thus improving the practicality of the power bank. Simultaneously, the battery cell 300 in this embodiment uses a semi-solid-state battery cell. Because a semi-solid-state battery cell combines the stability of a solid electrolyte with the ionic conductivity of a liquid electrolyte, it can effectively reduce the risk of leakage and short circuits. Furthermore, the bottom surface of the battery cell 300 is covered with battery cell foam 310, and the ends are covered with barley paper 320. After the battery cell 300 is installed inside the housing 100, the battery cell foam 310 and barley paper 320 can provide cushioning and support, as well as reliable insulation, heat insulation and flame retardant performance. Heat sinks 210 are attached to the top and bottom surfaces of the PCB board 200. The heat sinks 210 are made of porous vacuum silicon and nano carbon copper foil (the nano carbon copper foil is attached to one or both sides of the porous vacuum silicon, and its composite structure is existing technology), which can enhance the heat dissipation performance of the PCB board 210. Finally, the battery cell foam 310, barley paper 320 and heat sinks 210 can effectively protect the battery cell 300 and the PCB board 200, thereby improving the safety factor of the power bank.

[0021] To facilitate the assembly of the power bank, the housing 100 in this embodiment includes an upper housing 110 and a lower housing 120 that overlap each other. The PCB board 200 can be fixed to one end of the lower housing 120 with screws 220 to ensure mechanical strength. The battery cell 300 is installed at the other end of the lower housing 120. Meanwhile, a fastening platform 111 is provided on the inner side wall of the upper housing 110, and a fastening groove 121 that cooperates with the fastening platform 111 is provided on the inner side wall of the lower housing 120. After the PCB board 200, the battery cell 300 and the wireless charging module 400 are assembled, the fastening platform 111 of the upper housing 110 can be fastened into the fastening groove 121 of the lower housing 120, so that the upper housing 110 and the lower housing 120 overlap each other, thereby realizing the assembly of the power bank and making the assembly convenient and simple.

[0022] In addition, to enable both wireless and wired charging, the power bank in this embodiment has TYPE-C interfaces on both adjacent sides of the PCB board 200, and the side wall of the lower shell 120 has clearance holes 122 corresponding to the TYPE-C interfaces. This dual TYPE-C interface design allows for simultaneous charging and discharging. Furthermore, since the two TYPE-C interfaces are not on the same side and their uses are interchangeable, the power bank is convenient to use. Additionally, the charging cable adopts an off-the-shelf design, making it easy to carry and store, and allowing users to easily replace the cable with one of suitable length. The wireless charging module 400 also includes a ring magnet 410. The coil 420 and the ring magnet 410 are located outside the coil 420. The ring magnet 410 is bonded to the upper shell 110 through the first adhesive 430. The coil 420 is bonded to the top surface of the battery cell 300 through the second adhesive 440. The coil 420 is electrically connected to the PCB board 200 through the lead wire. By bonding the ring magnet 410 and the coil 420 to the upper shell 110 and the battery cell 300 respectively, the wireless charging module 400 can be conveniently laid out, making the internal layout of the shell 100 reasonable and enabling the wireless charging function. In this embodiment, both the first adhesive 430 and the second adhesive 440 are double-sided adhesives.

[0023] Furthermore, in order to achieve efficient and stable charging, the upper shell 110 in this embodiment is also attached with a tail magnet 500 (adhesive double-sided). The tail magnet 500 can accurately position and strongly attract the product to be charged, so as to ensure that the product to be charged can be aligned with the optimal position of the coil 420 of the wireless charging module 400 instantly, thereby ensuring efficient and stable charging. A tail magnet foam 510 is provided between the tail magnet 500 and the battery cell 300. The tail magnet foam 510 can also protect the battery cell 300. Combined with the battery cell foam 310 on the bottom surface of the battery cell 300, it can ensure the stability of the battery cell 300 after assembly.

[0024] Of course, in order to reduce the overall thickness of the power bank, a first recess 112 and a second recess 113 are provided on the upper shell 110. When the power bank is assembled, part of the ring magnet 410 will be placed in the first recess 112, and part of the tail magnet 500 will be placed in the second recess 113. The recess design can effectively reduce the overall thickness of the power bank, thereby reducing the overall volume of the power bank.

[0025] Finally, please see Figure 5To facilitate the use of the power bank, a receiving groove 123 is provided at the bottom of the lower shell 120, and a bracket 600 is provided within the receiving groove 123. One end of the bracket 600 is connected to the lower shell 120 via a pivot 610, and the other end is provided with a buckle 620. A corresponding slot 124 is also provided within the receiving groove 123. When the bracket 600 needs to be used, the buckle 620 at one end of the bracket 600 can be removed from the slot 124, and the bracket 600 can be rotated at a set angle to unfold it outward from the receiving groove 123. When the bracket 600 is not needed, it can be rotated into the receiving groove 123, and the buckle 620 can be engaged into the slot 124 to secure the bracket 600. The bracket 600 enhances the user experience, enabling simultaneous charging and use.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description; however, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model; furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A semi-solid-state battery power bank, characterized in that: It includes a housing, a PCB board, a battery cell, and a wireless charging module disposed within the housing. The PCB board and the battery cell are located at opposite ends within the housing, while the wireless charging module is located on the top surface of the battery cell. The battery cell is a semi-solid battery cell, and both the battery cell and the wireless charging module are electrically connected to the PCB board. Battery cell foam is pasted on the bottom surface of the battery cell, and barley paper is provided at the end of the battery cell. Heat sinks are pasted on the top and bottom surfaces of the PCB board.

2. The semi-solid-state battery power bank according to claim 1, characterized in that: The housing includes an upper shell and a lower shell that overlap each other. The PCB board is fixed to one end of the lower shell with screws, and the battery cell is placed at the other end of the lower shell. The inner side wall of the upper shell is provided with a fastening platform, and the inner side wall of the lower shell is provided with a fastening groove that cooperates with the fastening platform. The fastening platform is fastened into the fastening groove so that the upper shell and the lower shell overlap each other.

3. The semi-solid-state battery power bank according to claim 2, characterized in that: The wireless charging module includes a ring magnet and a coil. The ring magnet is located outside the coil and is bonded to the upper shell through a first adhesive. The coil is bonded to the top surface of the battery cell through a second adhesive and is electrically connected to the PCB board through leads.

4. The semi-solid-state battery power bank according to claim 3, characterized in that: The upper shell is also bonded with a tail magnet, and a tail magnet foam is provided between the tail magnet and the battery cell.

5. The semi-solid-state battery power bank according to claim 4, characterized in that: The upper shell has a first sinker and a second sinker, with the annular magnet portion located in the first sinker and the tail magnet portion located in the second sinker.

6. The semi-solid-state battery power bank according to claim 2, characterized in that: The PCB board has TYPE-C interfaces on its two adjacent sides, and the side wall of the lower shell has clearance holes corresponding to the TYPE-C interfaces.

7. The semi-solid-state battery power bank according to claim 2, characterized in that: The bottom of the lower shell is provided with a receiving groove, and a bracket is provided in the receiving groove. One end of the bracket is connected to the lower shell through a rotating shaft, and the other end is provided with a buckle. The receiving groove is also provided with a slot corresponding to the buckle.

8. The semi-solid-state battery power bank according to claim 1, characterized in that: The heat sink is made of porous vacuum silicon and nano-carbon copper foil.

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