A bendable battery, terminal substrate and intelligent terminal

By designing a combination of bendable battery cell and circuit chip in the smart terminal battery, the problem of the inability to bend in the prior art is solved, and the flexible bending of the battery and the larger bending range of the smart terminal are achieved.

CN108155332BActive Publication Date: 2025-04-11NINGBO SHUANGSHEN ELECTRONICS CO LTD
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Patent Information

Application Number
CN201810013538.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2018-01-04
Publication Date
2025-04-11
Estimated Expiration
2038-01-04

AI Technical Summary

Technical Problem

The batteries of existing smart terminals cannot be bent, which limits the bend range of the bendable smart terminals.

Method used

A bendable battery is designed, through a combination of at least two battery cells and at least one bendable circuit sheet, the bendable circuit sheet is fixedly connected to the pole connecting point of the battery cell by means of the bendable circuit sheet, so that the adjacent battery cells can be electrically conductive, and the flexible bending of the battery is achieved through deformation.

Benefits of technology

It realizes flexible bending of the battery, enhancing the bending range and portability of the smart terminal.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a bendable battery, a terminal substrate and a smart terminal, wherein the bendable battery comprises: at least two battery cells, each of which is provided with a pole piece and a pole piece connection point, the pole piece connection point being electrically connected to the pole piece; and at least one bendable circuit sheet, the bendable circuit sheet being respectively fixedly connected to the pole piece connection points of two adjacent battery cells, so that the two adjacent battery cells can be electrically conductive. By means of the above, the battery can be flexibly bent.
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Description

Technical Field

[0001] The present invention relates to the field of batteries, and in particular to a bendable battery, a terminal substrate and an intelligent terminal. Background Art

[0002] With the continuous development of smart terminal technology, people hope to use more portable smart terminals, and corresponding bendable smart terminals, bendable batteries and bendable screens have become hot topics of research. In the prior art, the batteries of smart terminals are all set as a whole and cannot be bent, which limits the bending range of the bendable smart terminal. Summary of the invention

[0003] The main technical problem solved by the present invention is to provide a bendable battery, a terminal substrate and an intelligent terminal, which can realize flexible bending of the battery.

[0004] In order to solve the above technical solution, a technical solution adopted by the present invention is: a bendable battery.

[0005] Wherein, the bendable battery comprises:

[0006] At least two battery cells, each of which is provided with a pole piece and a pole piece connection point, and the pole piece connection point is electrically connected to the pole piece;

[0007] At least one bendable circuit sheet is fixedly connected to the pole piece connection points of two adjacent battery cells respectively, so that the two adjacent battery cells can be electrically conductive.

[0008] Wherein, the bendable circuit sheet comprises:

[0009] A bendable circuit chip body;

[0010] Conductive contact sheets are respectively arranged at two ends of the bendable circuit sheet body;

[0011] The bendable circuit sheet is fixedly connected to the pole piece connection points of two adjacent battery cells through the conductive contact sheet, so that the two adjacent battery cells can be electrically connected.

[0012] Wherein, the bendable circuit sheet body comprises:

[0013] A bendable conductor, the bendable conductor is electrically connected to the conductive contact sheet;

[0014] The bendable insulating film covers the surface of the bendable conductor to prevent the bendable conductor from leaking electricity.

[0015] The conductive contact sheet of the bendable circuit sheet is fixedly connected to the electrode connection points of two adjacent battery cells by welding.

[0016] The solder used in the welding process is silver wire.

[0017] Wherein, a plurality of the battery units are connected in series or in parallel through the bendable circuit sheet.

[0018] The bendable battery comprises: a first battery unit, a second battery unit and a bendable circuit sheet;

[0019] The first battery unit and the second battery unit are arranged in parallel, the first battery unit includes a first end, the second battery unit includes a second end, and the first end and the second end are parallel and closely adjacent;

[0020] The pole piece connection point of the first battery unit is arranged on a side of the first end adjacent to the second end, and the pole piece connection point of the second battery unit is arranged on a side of the second end adjacent to the first end;

[0021] The bendable circuit sheet is fixedly connected to the pole piece connection point of the first battery unit and the pole piece connection point of the second battery unit respectively, so that the first battery unit and the second battery unit can be connected in series.

[0022] In order to solve the above technical solution, a technical solution adopted by the present invention is: a substrate of a terminal.

[0023] Wherein, the substrate comprises:

[0024] A plurality of substrates to be connected;

[0025] At least one elastic connecting member, disposed between adjacent substrates to be connected and fixedly connected to the substrates to be connected;

[0026] At least two battery pockets, each of which is arranged on the substrate to be connected, and the multiple battery pockets are used to accommodate the bendable battery, and the bendable battery includes at least two battery cells to be connected, each of which is accommodated in one of the battery pockets, and each of the battery cells to be connected is provided with a pole piece and a pole piece connection point, and the pole piece connection point is electrically connected to the pole piece; multiple bendable circuit sheets, each of which crosses the elastic connecting piece and is fixedly connected to two adjacent battery cells to be connected, so that the two adjacent battery cells can be electrically conductive, and deform together with the elastic connecting piece to realize the bending of the substrate.

[0027] The bendable battery comprises: a first battery unit, a second battery unit and a bendable circuit sheet;

[0028] The first battery unit and the second battery unit are arranged in parallel, the first battery unit includes a first end, the second battery unit includes a second end, and the first end and the second end are parallel and closely adjacent;

[0029] The pole piece connection point of the first battery unit is arranged on a side of the first end adjacent to the second end, and the pole piece connection point of the second battery unit is arranged on a side of the second end adjacent to the first end;

[0030] The bendable circuit sheet is fixedly connected to the pole piece connection point of the first battery unit and the pole piece connection point of the second battery unit respectively, so that the first battery unit and the second battery unit can be connected in series.

[0031] In order to solve the above technical solution, a technical solution adopted by the present invention is: an intelligent terminal.

[0032] Wherein, the intelligent terminal includes any of the substrates.

[0033] Beneficial effect: Different from the prior art, the present invention connects and conducts the pole piece connection points on multiple battery cells with a bendable circuit sheet, and realizes relative displacement of the multiple connected battery cells through deformation of the bendable circuit sheet, thereby realizing flexible bending of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0035] Figure 1 It is a structural schematic diagram of an embodiment of a bendable battery of the present invention;

[0036] Figure 2 yes Figure 1 A structural schematic diagram of an embodiment of the bendable circuit sheet;

[0037] Figure 3 yes Figure 2 A partial cross-sectional structural schematic diagram of the circuit board;

[0038] Figure 4 is a structural schematic diagram of another embodiment of a bendable battery of the present invention;

[0039] Figure 5 It is a structural schematic diagram of an embodiment of a substrate of a terminal of the present invention;

[0040] Figure 6It is a structural schematic diagram of another embodiment of a substrate of a terminal of the present invention. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Please refer to Figure 1 , Figure 1 It is a structural schematic diagram of an embodiment of a bendable battery of the present invention, wherein the bendable battery comprises: at least two battery cells 100, each of which is provided with a pole piece (not shown) and a pole piece connection point 110, the pole piece connection point 110 being electrically connected to the pole piece; at least one bendable circuit sheet 200, the bendable circuit sheet 200 being respectively fixedly connected to the pole piece connection points 110 of two adjacent battery cells 100, so that the two adjacent battery cells 100 can be electrically conductive. Since the bendable connection sheet 200 can achieve relative displacement of the connected multiple battery cells 100 by deformation, the battery can be flexibly bent.

[0043] In one embodiment, the electrode sheet includes a positive electrode sheet and a negative electrode sheet, which are disposed inside the battery cell 100. The electrode sheet connection point 110 is exposed outside the battery cell 100 and is electrically connected to the electrode sheet disposed inside the battery cell 100.

[0044] Further, the bendable circuit sheet 200 includes: a bendable circuit sheet body 210; conductive contacts 220, respectively disposed at both ends of the bendable circuit sheet body 210; wherein the bendable circuit sheet 200 is fixedly connected to the pole piece connection points 110 of two adjacent battery cells 100 through the conductive contacts 220, so that the two adjacent battery cells 100 can be electrically conductive. Further, the bendable circuit sheet 200 is also provided with a connection hole 230 for connecting to the pole piece connection point 110.

[0045] For further information, please refer to Figure 2 and Figure 3The bendable circuit sheet body 210 includes: a bendable conductor 212, which is electrically connected to the conductive contact sheet 220; and a bendable insulating film 211, which covers the surface of the bendable conductor 212 to prevent the bendable conductor 212 from leaking electricity. In one embodiment, the bendable conductor 212 is liquid metal, and the bendable insulating film 211 is silicone. Furthermore, a plurality of through holes (not shown) are provided on the bendable circuit sheet 200 to disperse the tensile force during the deformation process, avoid stress fatigue of the bendable circuit sheet, and extend the service life.

[0046] In one embodiment, the conductive contact sheet 220 of the bendable circuit sheet 200 is fixedly connected to the pole piece connection points 110 of two adjacent battery cells 100 by welding. The solder is solder, etc., which is conducive to reducing costs. Furthermore, the solder in the welding process is silver wire, which has good conductivity, can reduce the resistance of the welding end, improve the conductivity efficiency, and enable the bendable battery composed of multiple connected battery cells 100 to provide a more stable voltage during the bending process.

[0047] Furthermore, multiple battery cells 100 are connected in series or in parallel through the bendable circuit sheet 200. According to the needs of the application environment, multiple battery cells 100 in the bendable battery can be connected in series or in parallel. Furthermore, the performance parameters such as power, resistance, and capacitance of multiple battery cells are the same, which improves the consistency of the battery cells, so that the bendable battery provides a stable and reliable voltage and has a longer service life.

[0048] In one embodiment, please refer to Figure 4 The foldable battery comprises: a first battery unit 101, a second battery unit 102 and a foldable circuit sheet 201; wherein the first battery unit 101 and the second battery unit 102 are arranged in parallel, the first battery unit 101 comprises a first end 1011, the second battery unit 102 comprises a second end 1021, the first end 1011 and the second end 1021 are parallel and adjacent; the pole piece connection point 1012 of the first battery unit 101 is arranged On the side of the first end 1011 adjacent to the second end 1021, the pole piece connection point 1022 of the second battery unit 102 is arranged on the side of the second end 1021 adjacent to the first end 1011; the bendable circuit sheet 201 is fixedly connected to the pole piece connection point 1012 of the first battery unit 101 and the pole piece connection point 1022 of the second battery unit 102, respectively, so that the first battery unit 101 and the second battery unit 102 can be connected in series.

[0049] The present invention also provides a terminal substrate, please refer to Figure 1 , Figure 5 and Figure 6 . The substrate includes: a plurality of substrates 10 to be connected; at least one elastic connector 20, which is arranged between adjacent substrates 10 to be connected and fixedly connected to the substrates 10 to be connected; at least two battery pockets 30, each of which is arranged on the substrate 10 to be connected, and the plurality of battery pockets 30 are used to accommodate the bendable battery, and the bendable battery includes at least two battery cells 100 to be connected, each of which is accommodated in one of the battery pockets 30, and each of which is provided with a pole piece and a pole piece connection point 110, and the pole piece connection point 110 is electrically connected to the pole piece; a plurality of bendable circuit sheets 200, each of which crosses the elastic connector 20 and is fixedly connected to two adjacent battery cells 100 to be connected, so that the two adjacent battery cells 100 can be electrically conductive, and deform together with the elastic connector to realize the bending of the substrate.

[0050] In one embodiment, please refer to Figure 4 , Figure 5 and Figure 6 The substrate of the terminal includes a foldable battery, and the foldable battery includes: a first battery unit 101, a second battery unit 102 and a foldable circuit sheet 201; wherein the first battery unit 101 and the second battery unit 102 are arranged in parallel, the first battery unit 101 includes a first end 1011, the second battery unit 102 includes a second end 1021, the first end 1011 and the second end 1021 are parallel and adjacent; the pole piece of the first battery unit 101 is connected Point 1012 is arranged on a side of the first end 1011 adjacent to the second end 1021, and the pole piece connection point 1022 of the second battery unit 102 is arranged on a side of the second end 1021 adjacent to the first end 1011; the bendable circuit sheet 201 is fixedly connected to the pole piece connection point 1012 of the first battery unit 101 and the pole piece connection point 1022 of the second battery unit 102, respectively, so that the first battery unit 101 and the second battery unit 102 can be connected in series.

[0051] The present invention also provides a smart terminal. The smart terminal includes any substrate. The mobile terminal can be a mobile phone, a computer, a tablet computer, a server, a watch, a smart wearable device, etc. In one embodiment, the smart terminal is a bendable smart terminal, which also includes a bendable display screen, which is deformed together with the substrate during the bending process of the smart terminal.

[0052] In summary, the present invention provides a bendable battery, a terminal substrate and a smart terminal, wherein the bendable battery comprises: at least two battery cells, each of which is provided with a pole piece and a pole piece connection point, the pole piece connection point being electrically connected to the pole piece; at least one bendable circuit sheet, the bendable circuit sheet being respectively fixedly connected to the pole piece connection points of two adjacent battery cells, so that the two adjacent battery cells can be electrically conductive. In the above manner, the present invention can achieve relative displacement of the connected multiple battery cells by deformation of the bendable circuit sheet, thereby achieving flexible bending of the battery.

[0053] The above description is only an implementation mode of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A bendable battery, characterized in that: The bendable battery comprises: At least two battery cells, each of which is provided with a pole piece and a pole piece connection point, and the pole piece connection point is electrically connected to the pole piece; At least one bendable circuit sheet, the bendable circuit sheet is fixedly connected to the pole sheet connection points of two adjacent battery cells respectively, so that the two adjacent battery cells can be electrically conductive, and the bendable circuit sheet is provided with a through hole; The bendable circuit sheet comprises: A bendable circuit sheet body, the bendable circuit sheet body comprising: a bendable conductor, the bendable conductor is liquid metal, the bendable conductor is electrically connected to a conductive contact sheet; a bendable insulating film, covering the surface of the bendable conductor to prevent the bendable conductor from leaking electricity; Conductive contact sheets are respectively arranged at two ends of the bendable circuit sheet body; Wherein, the bendable circuit sheet is fixedly connected to the pole piece connection points of two adjacent battery cells through the conductive contact sheet, so that the two adjacent battery cells can be electrically conductive.

2. The foldable battery according to claim 1, characterized in that: The conductive contact sheet of the bendable circuit sheet is fixedly connected to the electrode connection points of two adjacent battery cells by welding.

3. The foldable battery according to claim 2, characterized in that: The solder in the welding process is silver wire.

4. The foldable battery according to claim 1, characterized in that: The plurality of battery cells are connected in series or in parallel via the bendable circuit sheet.

5. The foldable battery according to claim 1, characterized in that: The bendable battery comprises: a first battery unit, a second battery unit and a bendable circuit sheet; Wherein, the first battery unit and the second battery unit are arranged in parallel, the first battery unit includes a first end, the second battery unit includes a second end, and the first end and the second end are parallel and closely adjacent; The pole piece connection point of the first battery unit is arranged on a side of the first end adjacent to the second end, and the pole piece connection point of the second battery unit is arranged on a side of the second end adjacent to the first end; The bendable circuit sheet is fixedly connected to the pole piece connection point of the first battery unit and the pole piece connection point of the second battery unit respectively, so that the first battery unit and the second battery unit can be connected in series.

6. A terminal substrate, characterized in that: The substrate comprises: A plurality of substrates to be connected; At least one elastic connecting member, disposed between adjacent substrates to be connected and fixedly connected to the substrates to be connected; At least two battery pockets, each of which is arranged on the substrate to be connected, and the multiple battery pockets are used to accommodate bendable batteries, and the bendable batteries include at least two battery cells to be connected, each of which is accommodated in one of the battery pockets, and each of the battery cells to be connected is provided with a pole piece and a pole piece connection point, and the pole piece connection point is electrically connected to the pole piece; multiple bendable circuit sheets, each of which spans over the elastic connector and is fixedly connected to two adjacent battery cells to be connected, so that the two adjacent battery cells can be electrically conductive, and deform together with the elastic connector to achieve the desired connection. The substrate is bent; a through hole is provided on the bendable circuit sheet; the bendable circuit sheet comprises: a bendable circuit sheet body, the bendable circuit sheet body comprises: a bendable conductor, the bendable conductor is liquid metal, the bendable conductor is electrically connected to a conductive contact sheet; a bendable insulating film, covering the surface of the bendable conductor to prevent the bendable conductor from leaking electricity; conductive contacts, respectively provided at both ends of the bendable circuit sheet body; wherein the bendable circuit sheet is fixedly connected to the pole piece connection points of two adjacent battery cells through the conductive contact sheets, so that the two adjacent battery cells can be electrically conductive.

7. The substrate according to claim 6, characterized in that The bendable battery comprises: a first battery unit, a second battery unit and a bendable circuit sheet; Wherein, the first battery unit and the second battery unit are arranged in parallel, the first battery unit includes a first end, the second battery unit includes a second end, and the first end and the second end are parallel and closely adjacent; The pole piece connection point of the first battery unit is arranged on a side of the first end adjacent to the second end, and the pole piece connection point of the second battery unit is arranged on a side of the second end adjacent to the first end; The bendable circuit sheet is fixedly connected to the pole piece connection point of the first battery unit and the pole piece connection point of the second battery unit respectively, so that the first battery unit and the second battery unit can be connected in series.

8. An intelligent terminal, characterized in that: A substrate comprising any one of claims 6 to 7.

Citation Information

Patent Citations

  • Flexible wearable lithium battery

    CN103715380A

  • Automotive battery module soft copper connecting piece and manufacturing method thereof

    CN106252575A

  • Base plate and intelligent terminal at battery, terminal can buckle

    CN208028141U