CN208315612U - A kind of button cell that electric conductivity is good - Google Patents

A kind of button cell that electric conductivity is good Download PDF

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Publication number
CN208315612U
CN208315612U CN201820764909.8U CN201820764909U CN208315612U CN 208315612 U CN208315612 U CN 208315612U CN 201820764909 U CN201820764909 U CN 201820764909U CN 208315612 U CN208315612 U CN 208315612U
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CN
China
Prior art keywords
cover
negative
conducting wire
button cell
electric conductivity
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820764909.8U
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Chinese (zh)
Inventor
刘膑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Ang Battery Technology Co Ltd
Original Assignee
Dongguan Ang Battery Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Priority to CN201820764909.8U priority Critical patent/CN208315612U/en
Application granted granted Critical
Publication of CN208315612U publication Critical patent/CN208315612U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of button cell that electric conductivity is good, and the anode cover is provided with the first silver medal thin layer;The negative cover is provided with the second silver medal thin layer, and cathode cap upper surface is formed with network;The collector is conducting wire, conducting wire includes that main paragraph and two are fixedly connected with section, the length of the main paragraph is greater than the maximum inner diameter of the cavity of isolation film, in the neutral point deviation of main paragraph to the cavity of isolation film, two, which are fixedly connected with section, is integrally formed connection with the both ends of main paragraph respectively and is fixedly clamped between isolation film and sealing ring.By the first silver medal thin layer of setting, the second silver medal thin layer and network, the electric conductivity of the utility model is improved;By using conducting wire and cooperate conducting wire main paragraph length be greater than isolation film cavity maximum inner diameter, when button cell vibration, conducting wire is in relaxed state and with negative electrode material synchronizing moving, effectively avoid the generation of Tunnel-hole, to make conducting wire be held on negative electrode material, the resistance to shock of product is effectively improved.

Description

A kind of button cell that electric conductivity is good
Technical field
The utility model relates to button cell field technologies, refer in particular to a kind of button cell that electric conductivity is good.
Background technique
Button cell (button cell) is also referred to as button cell, refer to outer dimension as the battery of a small button, one As for be relatively large in diameter, thinner thickness (relative to No. 5 AA batteries of column battery such as in the market).Button cell is from shape On battery is divided, same corresponding cell classification has column battery, rectangular cell, a Special-shaped battery.
The anode cover and negative cover of traditional button cell are the positions for contacting electric appliance and being powered, and anode cover and cathode cap surface plate The electric conductivity of nickel is bad, reduces sensitivity.And negative cover more typically uses planar structure, when cathode cap surface has a small amount of dirty grain When object, easily occurs conductive bad situation between battery and battery or between battery and the contact chip of electrical appliance;Secondly, button In use, negative cover surface tension is poor for battery, when by the pressure generated inside button cell, is easily deformed and occurs Explosion.
Utility model content
In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of electric conductivity Can good button cell, it is bad and be easily deformed and what is exploded asks to efficiently solve existing button cell electric conductivity Topic.
To achieve the above object, the utility model is using following technical solution:
A kind of button cell that electric conductivity is good includes negative cover, positive electrode, sealing ring, anode cover and negative cover The negative electrode material of conducting and diaphragm for positive electrode and negative electrode material to be isolated;The anode cover is fastened and connected with negative cover; The sealing ring is located between anode cover and negative cover;The positive electrode is set to the interior bottom of anode cover, which is set to The top of positive electrode, the negative electrode material are installed between negative cover and diaphragm;It is provided between the negative cover and negative electrode material The isolated location connected is separated and negative electrode material is connected with negative cover simultaneously for negative electrode material to be isolated from each other with negative cover, Isolated location includes isolation film and collector, which is set to the inner surface of negative cover and covers to the outer ring of negative cover Between the bottom or top or bottom and top of body, collector conducting is connected between negative electrode material and negative cover;Wherein, institute The surfaces externally and internally for stating anode cover is provided with the first silver medal thin layer;The surfaces externally and internally of the negative cover is provided with the second silver medal thin layer, and negative Polar cap upper surface is formed with several scraggly networks;The collector is conducting wire, and conducting wire includes main paragraph and two It is fixedly connected with section, the length of the main paragraph is greater than the maximum inner diameter of the cavity of isolation film, the neutral point deviation of main paragraph to isolation film Cavity in, two be fixedly connected section respectively with the both ends of main paragraph be integrally formed connect and be fixedly clamped in isolation film and sealing Between circle, and at least one is fixedly connected with section and contacts with negative cover.
As a preferred embodiment, the first silver medal thin layer with a thickness of 0.2 μm -0.5 μm.
As a preferred embodiment, the second silver medal thin layer with a thickness of 0.2 μm -1 μm.
As a preferred embodiment, the anode cover is stainless steel material.
As a preferred embodiment, the negative cover is fine copper material.
As a preferred embodiment, the anode cover and the surfaces externally and internally of negative cover, which run through, has internal gas discharge Small gas vent.
As a preferred embodiment, the conducting wire directlys adopt the pure copper wire or the conducting wire that purity is 5N or 5N or more It uses purity for the pure copper wire of 4N or 4N or more and indium or tin plating or plating indium stannum alloy is plated in surface.
As a preferred embodiment, the diameter of the conducting wire is 0.02-0.10mm.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Known to scheme:
Surfaces externally and internally in anode cover is provided with the first silver medal thin layer, the surfaces externally and internally of negative cover is provided with the second silver medal Thin layer, it greatly improves the electric conductivity of the utility model;And the upper surface of negative cover is provided with rough network, When cathode cap surface has a small amount of dirty poor object, dirty grain object can be fallen in the grid groove of cathode cap upper surface, keep negative cover The contact surface of upper surface is clean, does not influence its electric conductivity, and improve the tension of cathode cap surface, button cell is prevented to be deformed And it explodes;Simultaneously by using conducting wire, and cooperate conducting wire main paragraph length be greater than isolation film cavity most imperial palace Diameter, in the neutral point deviation to the cavity of isolation film of main paragraph, when button cell vibration, conducting wire is in relaxed state and with cathode material Expect synchronizing moving, effectively avoids the generation of Tunnel-hole, be not in instant cut-off so that conducting wire be made to be held on negative electrode material The phenomenon that, effectively improve the resistance to shock of product.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.
Detailed description of the invention
Fig. 1 is the sectional view of the preferred embodiment of the utility model,
Description of drawing identification:
10, negative cover 11, the second silver medal thin layer
12, grid 20, positive electrode
30, sealing ring 40, anode cover
41, the first silver medal thin layer
50, negative electrode material 60, diaphragm
70, isolated location 71, isolation film
72, collector, conducting wire 721, main paragraph
722, it is fixedly connected with section.
Specific embodiment
It please refers to shown in Fig. 1, it to include negative cover that show the specific structures of the preferred embodiment of the utility model 10, positive electrode 20, sealing ring 30, anode cover 40, with negative cover 10 be connected negative electrode material 50 and for positive material to be isolated The diaphragm 60 of material 20 and negative electrode material 50.
The anode cover 40 is fastened and connected with negative cover 10, and the surfaces externally and internally of anode cover 40 is provided with the first silver medal thin layer 41, the One silver medal thin layer 41 is arranged in the surfaces externally and internally of anode cover by way of plating, the first silver medal thin layer with a thickness of 0.2 μm -0.5 μm. In the present embodiment, anode cover is stainless steel material.The sealing ring 30 is located between anode cover 40 and negative cover 10, will just Pole shell 40 is isolated from each other with negative cover 10 and separates;The positive electrode 20 is set to the interior bottom of anode cover 40, the diaphragm 60 setting In the top of positive electrode 20, which is installed between negative cover 10 and diaphragm 60;The negative electrode material 50 is mercury-free Unleaded calamine cream.
The surfaces externally and internally of the negative cover 10 is provided with the second silver medal thin layer 11, and the second silver medal thin layer 11 is arranged by way of plating In the surfaces externally and internally of negative cover 10, the second silver medal thin layer 11 with a thickness of 0.2 μm -1 μm, silver-colored conductivity is 0.0159(Ω Mm2/m), to substantially increase the electric conductivity of the utility model.And 10 upper surface of negative cover be formed with it is several rough and uneven in surface 12 structure of grid, network ensure that the electric conductivity of button cell;Secondly, improving the tension on 10 surface of negative cover, prevent Button cell is deformed and explodes.In the present embodiment, negative cover 10 is fine copper material, and which increase electric conductivity.When When there is a small amount of dirty poor object on 10 surface of negative cover, dirty grain object can be fallen in 12 groove of grid of 10 upper surface of negative cover, keep negative The contact surface of 10 upper surface of polar cap is clean, does not influence its electric conductivity.
It is provided between the negative cover 10 and negative electrode material 50 for negative electrode material 50 and negative cover 10 to be isolated from each other point The isolated location 70 opened and simultaneously connect negative electrode material 50 and the conducting of negative cover 10, isolated location 70 includes 71 He of isolation film Collector 72.
The collector 72 is conducting wire, and conducting wire includes that main paragraph 721 with two is fixedly connected with section 722, the length of the main paragraph 721 Degree is greater than the maximum inner diameter of the cavity of isolation film 71, and in the neutral point deviation to the cavity of isolation film 71 of main paragraph 721, two fixed connect Section 722 is connect to be integrally formed connection with the both ends of main paragraph 721 respectively and be fixedly clamped between isolation film 71 and sealing ring 30, And at least one is fixedly connected with section 722 and contacts with negative cover 10.
In the present embodiment, the conducting wire 72 directlys adopt the pure copper wire or the conducting wire 72 that purity is 5N or 5N or more It uses purity for the pure copper wire of 4N or 4N or more and indium is plated on surface or tin plating or plating indium stannum alloy, the diameter of the conducting wire 72 are 0.02-0.10mm。
The design focal point of the utility model is:
Surfaces externally and internally in anode cover is provided with the first silver medal thin layer, the surfaces externally and internally of negative cover is provided with the second silver medal Thin layer, it greatly improves the electric conductivity of the utility model;And the upper surface of negative cover is provided with rough network, When cathode cap surface has a small amount of dirty poor object, dirty grain object can be fallen in the grid groove of cathode cap upper surface, keep negative cover The contact surface of upper surface is clean, does not influence its electric conductivity, and improve the tension of cathode cap surface, button cell is prevented to be deformed And it explodes;Simultaneously by using conducting wire, and cooperate conducting wire main paragraph length be greater than isolation film cavity most imperial palace Diameter, in the neutral point deviation to the cavity of isolation film of main paragraph, when button cell vibration, conducting wire is in relaxed state and with cathode material Expect synchronizing moving, effectively avoids the generation of Tunnel-hole, be not in instant cut-off so that conducting wire be made to be held on negative electrode material The phenomenon that, effectively improve the resistance to shock of product.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change Change and modify, is still within the scope of the technical solutions of the present invention.

Claims (8)

1. a kind of button cell that electric conductivity is good, includes anode cover, positive electrode, sealing ring, negative cover, leads with negative cover Logical negative electrode material and the diaphragm for positive electrode and negative electrode material to be isolated;The anode cover is fastened and connected with negative cover;It should Sealing ring is located between anode cover and negative cover;The positive electrode is set to the interior bottom of anode cover, which is set to just The top of pole material, the negative electrode material are installed between negative cover and diaphragm;It is arranged between the negative cover and negative electrode material useful The isolated location connected is separated and negative electrode material is connected with negative cover simultaneously in negative electrode material is isolated from each other with negative cover, every It include isolation film and collector from unit, which is set to the inner surface of negative cover and covers to the outer ring body of negative cover Bottom or top or bottom and top between, the collector conducting be connected between negative electrode material and negative cover;Its feature exists In: the surfaces externally and internally of the anode cover is provided with the first silver medal thin layer;The surfaces externally and internally of the negative cover is provided with the second silver medal thin layer, And cathode cap upper surface is formed with several scraggly networks;The collector is conducting wire, and conducting wire includes main paragraph Be fixedly connected with section with two, the length of the main paragraph is greater than the maximum inner diameter of the cavity of isolation film, the neutral point deviation of main paragraph to every From in the cavity of film, two be fixedly connected section be integrally formed connection with the both ends of main paragraph respectively and be fixedly clamped in isolation film and Between sealing ring, and at least one is fixedly connected with section and contacts with negative cover.
2. a kind of good button cell of electric conductivity according to claim 1, it is characterised in that: the first silver medal thin layer With a thickness of 0.2 μm -0.5 μm.
3. a kind of good button cell of electric conductivity according to claim 1, it is characterised in that: the second silver medal thin layer With a thickness of 0.2 μm -1 μm.
4. a kind of good button cell of electric conductivity according to claim 1, it is characterised in that: the anode cover is stainless Steel material.
5. a kind of good button cell of electric conductivity according to claim 1, it is characterised in that: the negative cover is fine copper Material.
6. a kind of good button cell of electric conductivity according to claim 1, it is characterised in that: the anode cover and cathode The surfaces externally and internally of lid, which runs through, the small gas vent that internal gas is discharged.
7. a kind of good button cell of electric conductivity according to claim 1, it is characterised in that: the conducting wire directlys adopt The pure copper wire or the conducting wire that purity is 5N or 5N or more use purity for the pure copper wire of 4N or 4N or more and indium or plating are plated in surface Tin or plating indium stannum alloy.
8. a kind of good button cell of electric conductivity according to claim 1, it is characterised in that: the diameter of the conducting wire is 0.02-0.10mm。
CN201820764909.8U 2018-05-22 2018-05-22 A kind of button cell that electric conductivity is good Expired - Fee Related CN208315612U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820764909.8U CN208315612U (en) 2018-05-22 2018-05-22 A kind of button cell that electric conductivity is good

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820764909.8U CN208315612U (en) 2018-05-22 2018-05-22 A kind of button cell that electric conductivity is good

Publications (1)

Publication Number Publication Date
CN208315612U true CN208315612U (en) 2019-01-01

Family

ID=64715894

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820764909.8U Expired - Fee Related CN208315612U (en) 2018-05-22 2018-05-22 A kind of button cell that electric conductivity is good

Country Status (1)

Country Link
CN (1) CN208315612U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190101

Termination date: 20200522

CF01 Termination of patent right due to non-payment of annual fee