Mobile phone lithium battery with flame-retardant structure

Abstract

The utility model discloses a mobile phone lithium battery with a flame-retardant structure, and relates to the technical field of lithium batteries. The battery comprises a battery core body, a flame-retardant assembly is arranged on the outer side of the battery core body, a cooling layer in the flame-retardant assembly is arranged on the outer side of the battery core body, and a heat insulation layer is arranged on the outer side of a flame-retardant layer arranged on the outer side of the cooling layer; a protection assembly is arranged on the outer side of the heat insulation layer, an anti-explosion layer in the protection assembly is arranged on the outer side of the heat insulation layer, and a recovery layer is arranged on the outer side of the anti-explosion layer. The flame-retardant assembly and the flame-retardant layer are matched with the tricresyl phosphate to effectively improve the flame-retardant performance of the mobile phone lithium battery and improve the safety of the mobile phone lithium battery in use, and the protection assembly and the recovery layer are arranged on the outer side surface of the mobile phone lithium battery, so that the self-recovery of the recess on the surface of the mobile phone lithium battery is facilitated, and the service life of the mobile phone lithium battery is prolonged. The flatness of the mobile phone lithium battery is ensured, and the appearance quality of the mobile phone lithium battery is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium batteries, and in particular relates to a mobile phone lithium battery with a flame retardant structure. Background Art

[0002] A mobile phone is composed of components such as a processor, memory, display, camera, and lithium battery. The power required for the mobile phone to work comes from the lithium battery. Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive and negative electrode materials and uses non-aqueous electrolyte solutions. The components of a lithium battery include a positive electrode, a negative electrode, a diaphragm, an electrolyte, and a casing.

[0003] However, it still has the following disadvantages in actual use:

[0004] 1. Existing mobile phone lithium batteries may spontaneously combust during use due to charging or exposure to direct sunlight, which results in poor flame retardancy and reduces the safety of existing mobile phone lithium batteries during use;

[0005] 2. During use, the surface temperature of existing mobile phone lithium batteries may change, causing the surface of the mobile phone lithium batteries to sag, thereby causing defects on the surface of the existing mobile phone lithium batteries.

[0006] To this end, we provide a mobile phone lithium battery with a flame retardant structure to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide a mobile phone lithium battery with a flame retardant structure, which solves the problems of poor flame retardant effect and poor self-recovery effect of depression in existing mobile phone lithium batteries by arranging flame retardant components and protective components.

[0008] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0009] The utility model discloses a mobile phone lithium battery with a flame-retardant structure, comprising a battery core, a flame-retardant component arranged on the outside of the battery core, a cooling layer in the flame-retardant component arranged on the outside of the battery core, a heat-insulating layer arranged on the outside of the flame-retardant layer arranged on the outside of the cooling layer; a protective component is arranged on the outside of the heat-insulating layer, an explosion-proof layer in the protective component is arranged on the outside of the heat-insulating layer, and a recovery layer is arranged on the outside of the explosion-proof layer.

[0010] The present invention is further configured such that the cooling layer is a hollow structure, and a refrigerant is contained in the cooling layer.

[0011] The utility model is further configured such that the flame retardant layer is a hollow structure, the flame retardant layer is made of a phenolic resin material, and tricresyl phosphate is filled in the flame retardant layer.

[0012] The present utility model is further configured such that the heat insulation layer is made of fiberglass material, and the cross-section of the heat insulation layer is in a shape of a double-square frame.

[0013] The present utility model is further configured such that the restoration layer is made of titanium metal, and the explosion-proof layer is made of an explosion-proof plate.

[0014] The present utility model is further configured such that the cover assembly provided on the restoration layer includes an upper cover and a lower cover. The upper cover is provided on the restoration layer, and the lower cover is provided on the lower surface of the restoration layer.

[0015] The present utility model is further configured such that a notch is provided on the side wall of the upper cover, and a groove is provided on the lower surface of the lower cover.

[0016] The present utility model is further configured such that slots are provided on both the upper and lower sides of the restoration layer, and insertion blocks are provided on both the lower surface of the upper cover and the lower cover. The insertion blocks are inserted into the interior of the slots.

[0017] The present utility model has the following beneficial effects:

[0018] 1. By providing a flame retardant component, the cooling layer cooperates with the refrigerant to absorb the heat on the battery body, achieving the heat dissipation of the battery body. The flame retardant layer cooperates with tricresyl phosphate to effectively improve the flame retardant effect of the mobile phone lithium battery, thereby improving the service life and safety during use of the mobile phone lithium battery.

[0019] 2. By providing a protection component, the explosion-proof layer effectively improves the explosion-proof performance of the mobile phone lithium battery, preventing the mobile phone lithium battery from accidentally injuring users due to explosion, improving the safety during use of the mobile phone lithium battery, and the setting of the restoration layer is conducive to the depression on the surface of the mobile phone lithium battery being automatically restored to flatness, improving the flatness of the mobile phone lithium battery.

[0020] Of course, it is not necessary for any product implementing the present utility model to simultaneously achieve all the above-mentioned advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below.

[0022] Figure 1 Stereo schematic of a mobile phone lithium battery with a flame retardant structure Figure 1 ;

[0023] Figure 2 Stereo schematic of a mobile phone lithium battery with a flame retardant structure Figure 2 ;

[0024] Figure 3 The figure is a cross-sectional schematic diagram of a mobile phone lithium battery with a flame retardant structure;

[0025] Figure 4 This is a schematic diagram of the decomposition of the flame retardant component and the battery core;

[0026] Figure 5 This is an exploded schematic diagram of the thermal insulation layer and protective components;

[0027] Figure 6 Schematic diagram of the exploded view of the capping assembly and the recovery layer;

[0028] Figure 7 for Figure 6 A magnified schematic diagram of the structure in the middle.

[0029] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0030] 1-protection component, 101-recovery layer, 101a-slot, 102-explosion-proof layer, 2-cover assembly, 201-upper cover, 201a-slot, 202-lower cover, 202a-groove, 202b-plug, 3-flame retardant component, 301-insulation layer, 302-flame retardant layer, 303-cooling layer, 4-battery core. DETAILED DESCRIPTION

[0031] The following will be combined with the accompanying 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0032] Example 1

[0033] See also Figure 3 and Figure 4 The present invention is a mobile phone lithium battery with a flame-retardant structure, comprising a battery core 4. A flame-retardant component 3 is provided on the outside of the battery core 4. The flame-retardant component 3 includes a heat-insulating layer 301, a flame-retardant layer 302, and a cooling layer 303. The cooling layer 303 dissipates heat from the battery core 4, and the flame-retardant layer 302 prevents combustion of the battery core 4, thereby improving the service life and safety of the battery core 4.

[0034] Specifically, the cooling layer 303 is disposed on the outside of the battery core 4, and the cooling layer 303 is filled with a refrigerant, the flame retardant layer 302 is disposed on the outside of the cooling layer 303, and the flame retardant layer 302 is filled with tricresol phosphate, and the heat insulation layer 301 is disposed on the outside of the flame retardant layer 302;

[0035] Further, the insulating layer 301 is made of glass fiber, and the cross-section of the insulating layer 301 is in a figure-eight shape. The flame-retardant layer 302 is of a hollow structure, and the temperature-lowering layer 303 is of a hollow structure;

[0036] The operation process of this embodiment is as follows: The refrigerant provided inside the temperature-lowering layer 303 absorbs the heat on the battery cell 4 to achieve the temperature reduction of the battery cell 4, and the flame-retardant layer 302 cooperates with tricresyl phosphate to effectively prevent the combustion of the mobile phone lithium battery.

[0037] Embodiment 2

[0038] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 5 On the basis of the specific Embodiment 1, a protection component 1 is provided. The protection component 1 includes a recovery layer 101 and an explosion-proof layer 102, which improves the safety during the use of the mobile phone lithium battery and enables the depression on the surface of the mobile phone lithium battery to recover flat by itself;

[0039] Specifically, the explosion-proof layer 102 is arranged on the outer side of the insulating layer 301, the recovery layer 101 is arranged on the outer side of the explosion-proof layer 102, and slots 101a are formed on the upper and lower sides of the recovery layer 101;

[0040] Further, the explosion-proof layer 102 is made of an explosion-proof board, the recovery layer 101 is made of titanium alloy, and the two slots 101a are symmetrically formed;

[0041] The operation process of this embodiment is as follows: The explosion-proof layer 102 effectively improves the explosion-proof performance of the mobile phone lithium battery, thereby preventing the internal materials of the mobile phone lithium battery from splashing out due to explosion, improving the safety during the use of the mobile phone lithium battery, and the setting of the recovery layer 101 is conducive to the depression on the surface of the mobile phone lithium battery to recover flat by itself. [[ID=,28]]

[0042] Embodiment 3

[0043] Please refer to Figure 1 、 Figure 2 、 Figure 6 and Figure 7 On the basis of the specific Embodiment 1 and the specific Embodiment 2, a cover component 2 is provided. The cover component 2 includes an upper cover 201, a lower cover 202 and an insertion block 202b. The provided upper cover 201 seals the upper opening of the mobile phone lithium battery, the provided lower cover 202 seals the lower opening of the mobile phone lithium battery, and the provided insertion block 202b cooperates with the slots 101a to facilitate the positioning between the upper cover 201, the lower cover 202 and the recovery layer 101, thereby facilitating the assembly of the mobile phone lithium battery;

[0044] Specifically, the upper cover 201 has a notch 201a formed thereon, an insert 202b is provided on the lower surface of the upper cover 201, and the upper cover 201 is disposed on the recovery layer 101. The lower surface of the lower cover 202 has a groove 202a formed thereon, an insert 202b is provided on the lower cover 202, and the lower cover 202 is disposed on the lower surface of the recovery layer 101, with the insert 202b being inserted into the slot 101a.

[0045] Furthermore, the two notches 201a are symmetrically formed, the insert block 202b is in the shape of a Chinese umbilical cord, and the slot 101a is in the shape of a Chinese umbilical cord;

[0046] The operating process of this embodiment is as follows: the staff inserts the plug 202b on the upper cover 201 into the inside of the slot 101a on the upper surface of the recovery layer 101, and then uses welding equipment to weld the upper cover 201 to the recovery layer 101; inserts the plug 202b on the lower cover 202 into the inside of the slot 101a on the lower surface of the recovery layer 101, and then uses welding equipment to weld the lower cover 202 to the lower surface of the recovery layer 101.

[0047] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A mobile phone lithium battery with a flame retardant structure, comprising a battery core (4), characterized in that: A flame retardant component (3) is provided on the outer side of the battery cell (4). The cooling layer (303) in the flame retardant component (3) is provided on the outer side of the battery cell (4), and an insulating layer (301) is provided on the outer side of the flame retardant layer (302) provided on the outer side of the cooling layer (303). A protective component (1) is provided on the outer side of the insulating layer (301). The explosion-proof layer (102) in the protective component (1) is provided on the outer side of the insulating layer (301), and a recovery layer (101) is provided on the outer side of the explosion-proof layer (102).

2. The mobile phone lithium battery with a flame retardant structure according to claim 1, characterized in that: The cooling layer (303) has a hollow structure, and a refrigerant is contained inside the cooling layer (303).

3. The mobile phone lithium battery with a flame retardant structure according to claim 1, characterized in that: The flame retardant layer (302) has a hollow structure, is made of phenolic resin material, and contains tricresyl phosphate inside the flame retardant layer (302).

4. The mobile phone lithium battery with a flame retardant structure according to claim 1, characterized in that: The insulating layer (301) is made of glass fiber material, and the cross-section of the insulating layer (301) is in a shape of a Chinese character 'hui'.

5. The mobile phone lithium battery with a flame retardant structure according to claim 1, characterized in that: The recovery layer (101) is made of titanium metal, and the explosion-proof layer (102) is made of an explosion-proof plate.

6. The mobile phone lithium battery with a flame retardant structure according to claim 1, characterized in that: The cover component (2) provided on the recovery layer (101) includes an upper cover (201) and a lower cover (202). The upper cover (201) is provided on the recovery layer (101), and the lower cover (202) is provided on the lower surface of the recovery layer (101).

7. The mobile phone lithium battery with a flame retardant structure according to claim 6, characterized in that: A notch (201a) is formed on the side wall of the upper cover (201), and a groove (202a) is formed on the lower surface of the lower cover (202).

8. The mobile phone lithium battery with a flame retardant structure according to claim 6, characterized in that: Slots (101a) are formed on both the upper and lower sides of the recovery layer (101), and insertion blocks (202b) are provided on the lower surface of the upper cover (201) and the lower cover (202). The insertion blocks (202b) are inserted into the inside of the slots (101a).

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