Recyclable battery

Abstract

The utility model discloses a recyclable battery and relates to the technical field of batteries, the recyclable battery comprises a thin-wall shell, a current collector, a positive plate and a negative plate, a support frame is arranged in the thin-wall shell, the outer surface of the support frame is provided with a notch, and the surface of the current collector is connected with a third diaphragm; the outer ring and the inner ring of the supporting frame are each provided with a distribution groove, and a first through hole is formed between the two distribution grooves. And a plurality of second through holes are formed in the positive plate and the negative plate. Through the arrangement of the support frame, the gap and the third diaphragm, the current collector is conveniently supported through the support frame, the current collector is prevented from deviating due to radial force caused by bumping, and the current collector is protected through the third diaphragm during the period, so that the phenomenon of short circuit caused by direct contact between the current collector and a negative electrode area is avoided; the gap is convenient for connecting the positive plate and the current collector to form a passage; the stability is improved, and the influence of jolt on discharge is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery technical field, concretely is a kind of recyclable battery. BACKGROUND

[0002] Electronic cigarette is a kind of non-burning cigarette, by shell, cigarette holder, dust filter, spice box, power supply, cigarette cap etc., wherein power supply is usually the cylindrical battery of secondary charge and discharge, with good consistency, good mechanical property, energy density and other advantages.

[0003] The existing part of cylindrical battery center exists a current collector, is connected with positive pole or negative pole, is responsible for efficient transmission of electron and maintains structural stability, but electronic cigarette is usually portable article, will experience walking, riding environment, when encountering jolt, current collector is easily produced mirror image slight displacement under the influence of inertia, to cause certain pressure to the positive pole sheet and negative pole sheet of winding, there is certain influence to discharge performance. UTILITARIAN CONTENT

[0004] Based on this, the utility model aims at providing a kind of recyclable battery to solve the technical problem mentioned in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of recyclable battery, including thin-walled shell, current collector, positive pole sheet and negative pole sheet, the inside of thin-walled shell is provided with support frame, and the outer surface of support frame is provided with notch, the surface of current collector is connected with third diaphragm;The outer circle and inner circle of support frame are provided with distribution groove, and first through-hole is arranged between two distribution grooves;Positive pole sheet and negative pole sheet are all provided with a plurality of second through-holes.

[0006] By adopting the above technical scheme, the current collector is supported by the support frame, avoiding the current collector from being offset by the radial force caused by jolt, and the current collector is protected by the third diaphragm during the process, avoiding the short circuit caused by the direct contact between the current collector and the negative pole area, and the notch is arranged to connect the positive pole sheet and the current collector to form a passage;And the electrolyte can pass through the support frame through the distribution groove and the first through-hole, avoiding the electrolyte flow from being affected by the existence of the support frame;And the second through-hole cooperates with the distribution groove and the first through-hole to form multiple small holes in the battery, thereby accelerating the penetration of the electrolyte, ensuring that the positive pole sheet and the negative pole sheet are fully soaked, increasing the conductivity of electrons and reducing the resistance, avoiding the local over-high or over-low current density, reducing energy waste, thereby achieving the energy-saving effect, and the soaking avoids the formation of dead zones to improve the battery utilization rate and reduce the battery replacement frequency to achieve the environmental protection effect.

[0007] Further, the cross section of the support frame is in the shape of "C".

[0008] By adopting the technical scheme, the current collector is supported by the support frame, so that the current collector is prevented from being deviated by the radial force caused by bumping, and the current collector is protected by the third diaphragm, so that the short circuit caused by the direct contact between the current collector and the negative electrode region is avoided, and the positive plate is connected with the current collector to form a passage through the gap.

[0009] Further, the distribution groove is spiral-shaped.

[0010] By adopting the technical scheme, the electrolyte is allowed to pass through the support frame through the distribution groove and the first through hole, so that the electrolyte flow is not affected by the support frame.

[0011] Further, the first through hole is provided in plurality, and the plurality of first through holes are distributed equidistantly along a spiral route.

[0012] By adopting the technical scheme, the second through hole cooperates with the distribution groove and the first through hole to form a plurality of small holes in the battery, so as to accelerate the penetration of the electrolyte, ensure that the positive plate and the negative plate are fully soaked, increase the conductivity of the electrons and reduce the resistance, avoid the local over-high or over-low current density, reduce the energy waste, and achieve the energy-saving effect, and the soaking avoids the formation of dead zones to improve the battery utilization rate and reduce the battery replacement frequency to achieve the environmental protection effect.

[0013] Further, the thin-walled shell is provided with a positive electrode end and an insulating layer at the top inside, the thin-walled shell is provided with a negative electrode end at the bottom, and the negative electrode end is provided with a liquid injection port at the bottom, the thin-walled shell is provided with a wound core inside, and the wound core includes a positive plate, a first diaphragm, a negative plate and a second diaphragm, and the wound core is connected with a current collector inside.

[0014] By adopting the technical scheme, the insulating layer prevents the positive electrode from being directly connected with the negative electrode to cause short circuit, the outer ring and the bottom of the entire thin-walled shell serve as the negative electrode to be able to connect the current, and the wound core and the current collector cooperate with the liquid electrolyte to be able to charge and discharge.

[0015] Further, the positive plate is made of lithium iron phosphate material, and the negative plate is made of graphite material.

[0016] By adopting the technical scheme, since the material of the positive plate is lithium iron phosphate and the material of the negative plate is graphite, the battery material is more environmentally friendly, and the battery can be sent to a battery recycling factory for recycling after being discarded, reducing the pollution to the environment.

[0017] Further, the wound core is provided with electrolyte, and the electrolyte is lithium salt liquid electrolyte.

[0018] By adopting the technical scheme, the electrolyte is a lithium salt liquid electrolyte, the battery material is more environmentally friendly, and the battery material can be recycled by a battery recycling manufacturer after being discarded, thereby reducing environmental pollution.

[0019] Further, the top of the winding core is provided with a positive electrode connection layer without a tab, and the bottom of the winding core is provided with a negative electrode connection layer without a tab.

[0020] By adopting the technical scheme, the positive electrode connection layer without a tab and the negative electrode connection layer without a tab balance current distribution and space occupation, increase the flow area, and thus play an energy-saving role.

[0021] Further, the thin-walled shell is made of high-strength aluminum alloy material.

[0022] By adopting the technical scheme, the thin-walled shell is made of high-strength aluminum alloy material, the battery material is more environmentally friendly and convenient to recycle, and the thin-walled shell can leave more space for winding the positive electrode sheet and the negative electrode sheet, increase the energy utilization rate, and enable the battery to be used for a longer time.

[0023] Further, the first, second and third diaphragms are made of PP ceramic coating composite film or PE ceramic coating composite film material.

[0024] By adopting the technical scheme, the first, second and third diaphragms made of PP ceramic coating composite film or PE ceramic composite film make the battery material more environmentally friendly, and enable the thickness of the diaphragm to be reduced under the premise of ensuring safety and reducing ion migration resistance.

[0025] In summary, the utility model mainly has the following beneficial effects:

[0026] 1. The utility model discloses a support frame, a gap and a third diaphragm, which are arranged to support the current collector, avoid the current collector from being offset by radial force caused by bumping, and protect the current collector by the third diaphragm during the process, avoid the short circuit caused by the direct contact between the current collector and the negative electrode area, and connect the positive electrode sheet and the current collector through the gap to form a passage, thereby improving stability and reducing the influence of bumping on discharge.

[0027] 2. The utility model discloses a distribution groove and a first through hole, which are arranged to enable the electrolyte to pass through the support frame, avoid the support frame from hindering the flow of electrolyte and affecting charging and discharging, and improve stability.

[0028] 3, the utility model discloses a second through -hole's setting, and second through -hole and distribution groove and first through -hole cooperate, make the inside of battery have multiple small holes to accelerate the penetration of electrolyte, ensure that the positive sheet and negative sheet are fully infiltrated, increase the conductivity of electron and reduce resistance, and avoid that current density is locally too high or too low, reduce energy waste, thereby play the effect of energy -conserving, and infiltration avoids the formation of dead zone to improve battery utilization, reduce battery replacement frequency and reach the environmental protection effect of energy -conserving and environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is structural schematic diagram of the utility model;

[0030] Figure 2 It is sectional structure schematic diagram of the utility model;

[0031] Figure 3 It is support frame structure schematic diagram of the utility model;

[0032] Figure 4 It is the structure of A in the utility model Figure 3 Enlarged view;

[0033] Figure 5 It is the sectional structure schematic diagram of the winding core of the utility model.

[0034] In the drawing: 1, thin -walled shell;2, positive end;3, insulating layer;4, negative end;5, no pole lug positive connection layer;6, no pole lug negative connection layer;7, current collector;8, winding core;801, positive sheet;802, first diaphragm;803, negative sheet;804, second diaphragm;9, liquid injection port;10, support frame;11, notch;12, distribution groove;13, first through -hole;14, second through -hole;15, third diaphragm. DETAILED DESCRIPTION

[0035] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0036] The embodiments will be described below according to the overall structure of the utility model.

[0037] Embodiment one:

[0038] A recyclable battery, such as Figures 2-5As shown, including thin-walled shell 1, current collector 7, positive plate 801 and negative plate 803, thin-walled shell 1 inside is provided with support frame 10, support frame 10 cross section is "C" shape, support frame 10 outer surface is provided with notch 11, current collector 7 surface is connected with third diaphragm 15;Support frame 10 outer circle and inner circle are provided with distribution groove 12, distribution groove 12 is spiral, first through hole 13 is arranged between two distribution grooves 12, first through hole 13 is provided with multiple, multiple first through holes 13 are equidistantly distributed along the spiral route;Positive plate 801 and negative plate 803 are provided with multiple second through holes 14, which are convenient for supporting current collector 7 through support frame 10, avoiding the offset of current collector 7 caused by radial force due to bumping, and protecting current collector 7 through third diaphragm 15 during the period, avoiding the short circuit phenomenon caused by the direct contact between current collector 7 and negative area, and the setting of notch 11 is convenient for connecting positive plate 801 and current collector 7 to form a passage;And through the setting of distribution groove 12 and first through hole 13, electrolyte is convenient for passing through support frame 10, avoiding the existence of support frame 10 to hinder the flow of electrolyte and affect charging and discharging;And second through hole 14 cooperates with distribution groove 12 and first through hole 13, so that there are multiple small holes in the battery, thereby accelerating the penetration of electrolyte, ensuring that positive plate 801 and negative plate 803 are fully soaked, increasing the conductivity of electrons and reducing resistance, and avoiding that the current density is too high or too low locally, reducing energy waste, thereby achieving the effect of energy saving, and soaking avoids the formation of dead zone to improve the utilization rate of battery and reduce the replacement frequency of battery to achieve the effect of environmental protection.

[0039] Referring to Figure 1 、 Figure 2 and Figure 5 In the above embodiment, the upper part of the inside of the thin-walled shell 1 is provided with a positive terminal 2 and an insulating layer 3, respectively, the insulating layer 3 avoids the short circuit caused by the direct communication of the positive electrode with the negative electrode, the bottom of the thin-walled shell 1 is provided with a negative terminal 4, and the outer circle and the bottom of the entire thin-walled shell 1 can be connected to the current as the negative electrode;The bottom of the negative terminal 4 is provided with a liquid injection port 9, which is convenient for injecting liquid electrolyte;The inside of the thin-walled shell 1 is provided with a wound core 8 and an electrolyte, the wound core 8 includes a positive plate 801, a first diaphragm 802, a negative plate 803 and a second diaphragm 804, and the wound core 8 is connected with a current collector 7, which can be charged and discharged in cooperation with the liquid electrolyte.

[0040] Example two:

[0041] On the basis of the above embodiment one, in order to further increase the environmental protection, the following settings are made.

[0042] Referring to Figure 1 、 Figure 2 and Figure 5In the above embodiment, the positive plate 801 is made of lithium iron phosphate material, the negative plate 803 is made of graphite material, the electrolyte is lithium salt liquid electrolyte, the thin-walled shell 1 is made of high-strength aluminum alloy material, the first diaphragm 802, the second diaphragm 804 and the third diaphragm 15 are all made of PP ceramic coating composite film or PE ceramic coating composite film material, and the battery material is more environmentally friendly, and the battery can be recycled after being discarded, reducing environmental pollution.

[0043] Embodiment three:

[0044] On the basis of the above-mentioned embodiment two, in order to further increase the energy saving, the following settings are made.

[0045] Reference Figure 2 In the above embodiment, the top of the winding core 8 is provided with the positive connection layer 5 without the positive connection layer 5, the bottom of the winding core 8 is provided with the negative connection layer 6 without the negative connection layer 6, the first diaphragm 802, the second diaphragm 804 and the third diaphragm 15 of the PP ceramic coating composite film or the PE ceramic composite film can reduce the thickness of the diaphragm under the premise of ensuring safety, reduce the ion migration resistance, and the positive connection layer 5 without the positive connection layer 5 and the negative connection layer 6 without the negative connection layer 6 balance the current distribution and the space occupation, thereby playing a role in energy saving; and cooperating with the thin-walled shell can leave more space for winding the positive plate 801 and the negative plate 803, increase the energy utilization rate, and make the battery can be used for a longer time.

[0046] The implementation principle of the utility model is: first, the support frame 10 is convenient for supporting the current collector 7, avoiding the deviation of the current collector 7 caused by the radial force due to the bumping, and the current collector 7 is protected by the third diaphragm 15 during the period, avoiding the short circuit phenomenon caused by the direct contact of the current collector 7 with the negative area, and the setting of the notch 11 is convenient for connecting the positive plate 801 with the current collector 7 to form a passage; and the setting of the distribution groove 12 and the first through hole 13 is convenient for the electrolyte to pass through the support frame 10, avoiding the hindering of the electrolyte flow caused by the existence of the support frame 10; and the second through hole 14 cooperates with the distribution groove 12 and the first through hole 13, so that there are multiple small holes in the battery, thereby accelerating the penetration of the electrolyte, ensuring that the positive plate 801 and the negative plate 803 are fully soaked, increasing the conductivity of the electrons and reducing the resistance, and avoiding the local overhigh or overlow of the current density, reducing the energy waste, thereby playing a role in energy saving, and the soaking avoids the formation of dead zones to improve the battery utilization rate and reduce the battery replacement frequency to achieve the environmental protection effect;

[0047] Since the material of the positive plate 801 is lithium iron phosphate, the material of the negative plate 803 is graphite, the electrolyte is a lithium salt liquid electrolyte, the thin-walled shell 1 is a high-strength aluminum alloy, and the first diaphragm 802, the second diaphragm 804 and the third diaphragm 15 are PP ceramic coating composite membranes or PE ceramic composite membranes, the battery materials are more environmentally friendly, and can be sent to a battery recycling factory for recycling after being discarded, reducing pollution to the environment; and the first diaphragm 802, the second diaphragm 804 and the third diaphragm 15 of the PP ceramic coating composite membrane or the PE ceramic composite membrane can reduce the thickness of the diaphragm under the premise of ensuring safety, reduce ion migration resistance, and the positive electrode connection layer 5 and the negative electrode connection layer 6 balance current distribution and space occupation, thereby playing an energy-saving role; and in cooperation with the thin-walled shell, more space is available for winding the positive plate 801 and the negative plate 803, increasing energy utilization, so that the battery can be used for a longer time.

[0048] It should be noted that the structure and principle of the cylindrical battery are all in the public domain, and only part of the structure is selected as the expression of the cylindrical battery in the technical solution, and the specific structure such as the pressure relief valve, the surface plastic film and the like is not detailed, and the specific working principle is not described.

[0049] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A recyclable battery comprising a thin-walled outer casing (1), a current collector (7), a positive electrode sheet (801) and a negative electrode sheet (803), characterized in that: The thin-wall shell (1) is internally provided with a support frame (10), and the outer surface of the support frame (10) is provided with a notch (11), and the surface of the current collector (7) is connected with a third diaphragm (15); the outer ring and the inner ring of the support frame (10) are both provided with distribution grooves (12), and a first through hole (13) is arranged between the two distribution grooves (12); a plurality of second through holes (14) are arranged on the positive electrode sheet (801) and the negative electrode sheet (803).

2. The recyclable battery of claim 1, wherein: The support frame (10) is in the shape of "C" in cross section.

3. The recyclable battery of claim 1, wherein: The distribution grooves (12) are in the shape of a spiral.

4. The recyclable battery of claim 1, wherein: The first through hole (13) is provided with a plurality of first through holes (13), and the plurality of first through holes (13) are distributed equidistantly along the spiral route.

5. The recyclable battery of claim 1, wherein: The upper part of the inside of the thin-wall shell (1) is provided with a positive electrode end (2) and an insulating layer (3) respectively, the bottom of the thin-wall shell (1) is provided with a negative electrode end (4), and the bottom of the negative electrode end (4) is provided with a liquid injection port (9), the inside of the thin-wall shell (1) is provided with a winding core (8), and the winding core (8) comprises a positive electrode sheet (801), a first diaphragm (802), a negative electrode sheet (803) and a second diaphragm (804), and the inside of the winding core (8) is connected with a current collector (7).

6. The recyclable battery of claim 5, wherein: The positive electrode sheet (801) is made of lithium iron phosphate material, and the negative electrode sheet (803) is made of graphite material.

7. The recyclable battery of claim 5, wherein: The winding core (8) is internally provided with an electrolyte, and the electrolyte is a lithium salt liquid electrolyte.

8. The recyclable battery of claim 7, wherein: The top of the winding core (8) is provided with a positive electrode connection layer (5) without a pole, and the bottom of the winding core (8) is provided with a negative electrode connection layer (6) without a pole.

9. The recyclable battery of claim 5, wherein: The thin-wall shell (1) is made of high-strength aluminum alloy material.

10. The recyclable battery of claim 5, wherein: The first diaphragm (802), the second diaphragm (804) and the third diaphragm (15) are all made of PP ceramic coating composite film or PE ceramic coating composite film material.

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