CN206471417U - A kind of easily assembling lithium coin cells - Google Patents
A kind of easily assembling lithium coin cells Download PDFInfo
- Publication number
- CN206471417U CN206471417U CN201621258957.7U CN201621258957U CN206471417U CN 206471417 U CN206471417 U CN 206471417U CN 201621258957 U CN201621258957 U CN 201621258957U CN 206471417 U CN206471417 U CN 206471417U
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- Prior art keywords
- negative electrode
- barrier film
- electrolyte
- electrode casing
- anode
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Abstract
The utility model discloses a kind of easily assembling lithium coin cells, belong to cell art, including negative electrode casing, anode cover, electrolyte liquid, anode electrolyte, both positive and negative polarity barrier film is provided between negative electrode casing and anode cover；Barrier film is provided between negative electrode casing and both positive and negative polarity barrier film, electrolyte liquid is arranged on barrier film, the top center of barrier film is provided with collector, collector is contacted with electrolyte liquid, and electrically connected with negative electrode casing, heat emission hole and electrolyte flow hole are provided with anode electrolyte, anode cover upper end is bent outwardly to form the elastic buckles with annular groove, elastic buckles are convenient for assembly for providing annular groove, and prevent short-circuit between anode cover and negative electrode casing, negative electrode casing and barrier film are provided with steam vent, electrolyte liquid is lithium-ion electrolyte, anode electrolyte is manganese dioxide electrolyte.The utility model is connected firmly, and sealed insulation effect is good, can not only avoid heat accumulation, it is to avoid button cell inflatable, leakage are even exploded, and easy to assembly.
Description
Technical field
The utility model is related to a kind of lithium battery, more particularly to a kind of easily assembling lithium coin cells, belongs to battery technology
Field.
Background technology
Button cell is also referred to as button cell, refers to that appearance and size, as the battery of a small button, is in general relatively large in diameter,
Thinner thickness (battery such as No. 5 AA relative to prismatic battery such as in the market), button cell is that battery is divided from profile
, equal corresponding cell classification has prismatic battery, rectangular cell, Special-shaped battery；Button cell is smaller because of the bodily form, therefore various
It is widely used in miniature electronic product, diameter is from 4.8mm to 30mm, and thickness is from 1.0mm to 7.7mm；Typically
For the back-up source of each electronic product, such as computer main board, electronic watch, electronic dictionary, electronic scale, remote control, electronic toy,
Pacemaker, electronic hearing aid, counter, camera etc..
Button cell is also classified into chemical cell and the major class of physical battery two, and the application of its chemical cell is the most universal.They by
Anode (positive pole), negative electrode (negative pole) and its electrolyte etc. are constituted.Its appearance is stainless steel material, and is used as positive pole, its negative pole
For the circular lid of stainless steel, there is sealing ring insulation between positive pole and negative pole, sealing ring is made of nylon, and sealing ring has removed insulating effect
Outside, moreover it is possible to prevent electrolyte from leaking.The species of button cell is a lot, and majority is named with material therefor, such as silver oxide cell, lithium electricity
Pond, alkaline manganese battery etc.；Lithium ion button shape cell exemplary operation electric current is in 0.1-0.2mA.It is highly stable using chemical property
Manganese dioxide be positive electrode, using specific energy very high lithium metal as negative material.The reduction of annual capacity is not more than
2%, storage life is long.Battery uses Semi-seal structure, uses safety.The Acclimation temperature scope of lithium ion button shape cell is larger
All can normal work under conditions of -20 to+60 degrees Celsius.Use is more in electronic dictionary, mainboard CMOS batteries, wrist-watch etc..
At present, lithium coin cells of the prior art easily occur electroplating uneven, coating during plating indium or be tin plating
It is not fine and close, have the poor plating problem such as long whisker after hole, easy scratch, easy to fall off, oxidizable, plating, in negative electrode casing poor plating
In the case of so that negative material is easily contacted and occurred with the metal of the low overpotential of hydrogen evolution such as the parent metal such as iron of negative electrode casing
Evolving hydrogen reaction, the hydrogen that evolving hydrogen reaction is produced causes button cell inflatable, leakage or even exploded；Lithium coin cells are in performance
On also there is a shortcoming, that is, battery especially after heavy load continuous discharge, often occurs in use
The phenomenon that serious inflatable is even exploded, and lithium coin cells in the market are due to structure problem, cause it to be easy to peace
Dress, but should not dismantle, the thus assembling to lithium coin cells makes troubles, and causes assembling inconvenience.
Utility model content
Main purpose of the present utility model is that there is provided a kind of easy in order to solve above mentioned problem present in currently available technology
Assemble lithium coin cells.
The purpose of this utility model can reach by using following technical scheme：
A kind of easily assembling lithium coin cells, including negative electrode casing, anode cover, electrolyte liquid, anode electrolyte, its feature exist
In：The electrolyte liquid and the anode electrolyte are arranged on and formed closed are sealed by the negative electrode casing and the anode cover
In space, both positive and negative polarity barrier film is provided between the negative electrode casing and the anode cover；The negative electrode casing and the both positive and negative polarity barrier film it
Between be provided with barrier film, between the top of the barrier film and the negative electrode casing be provided with space, the barrier film be with barrier film
The seal isolation film of fixing end, the electrolyte liquid is arranged on the barrier film, in the top dead center position of the barrier film
Provided with collector, the lower surface of the collector is contacted with the electrolyte liquid, and the upper surface of the collector is born with described
Pole shell electrical connection；The anode electrolyte is arranged in the sealing area between the anode cover and the both positive and negative polarity barrier film, institute
State in sealing area provided with least one heatsink transverse hole and at least one vertical heat emission hole, the heatsink transverse hole and described perpendicular
It is used for the heat that produces anode electrolyte in electrolytic process along the heatsink transverse hole and the vertical radiating to heat emission hole
Hole is delivered to the anode cover surface, is radiated, and at least one electrolyte flow hole is provided with the heatsink transverse hole, described
Electrolyte flow hole is used to realize positive electrolyte flow；Pass through between the anode cover and the negative electrode casing, the barrier film
Sealed insulation colloid carries out insulation and separated；The upper end of the anode cover is bent outwardly to form the elastic buckles with annular groove,
The elastic buckles are used to provide annular groove when lithium coin cells are assembled, and for preventing the anode cover and the negative electrode casing
Between short circuit, the upper end of the elastic buckles and sealed close to the side of the negative electrode casing with the sealed insulation colloid,
The elastic buckles separate the anode cover with the negative electrode casing after being sealed with the sealed insulation colloid, the elastic buckles upper end
Maximum outside diameter be less than positioned at the elastic buckles lower end the anode cover maximum outside diameter；The negative electrode casing and the barrier film
Side be provided with the steam vent of insertion, the steam vent is used for the hydrogen row produced when will occur evolving hydrogen reaction inside button cell
Go out；The bottom of the anode cover is provided with arc lead angle, and the arc lead angle is used to prevent the lithium coin cells from deforming.
Further, the space between the top of the barrier film and the negative electrode casing is carried out close by sealed insulation colloid
Envelope.
Further, the bottom of the negative electrode casing is fitted and sealed with the barrier film fixing end, the bottom of the negative electrode casing
End is provided with arc bent angle.
Further, the barrier film fixing end is provided with upward vertical bent angle, the arc bent angle of the negative electrode casing bottom
It is arranged in the vertical bent angle.
Further, be tightly connected between the both positive and negative polarity barrier film and the anode cover, the both positive and negative polarity barrier film with it is described
The lower surface laminating of barrier film.
Further, the sealed insulation colloid is sealed insulation nylon.
Further, the heatsink transverse hole and the aperture of the vertical heat emission hole are 1.0~1.5mm.
Further, the aperture in the electrolyte flow hole is the heatsink transverse hole and the vertical heat emission hole aperture
3~5 times.
Further, the electrolyte liquid is lithium-ion electrolyte, and anode electrolyte is manganese dioxide electrolyte.
Further, the aperture of the steam vent is 0.2~0.5mm.
Advantageous effects of the present utility model：
1st, one kind of the utility model design easily assembling lithium coin cells, simple in construction, by negative electrode casing and barrier film
On be provided with steam vent, the hydrogen produced when occurring evolving hydrogen reaction inside button cell can be discharged, it is to avoid accumulated gases in
Make button cell inflatable, leakage inside button cell or even explode, further improve the security that product is used；
2nd, one kind of the utility model design easily assembling lithium coin cells, can by barrier film, collector and elastic buckles
Effectively negative electrode casing and anode cover insulation are separated, and ensure that negative material and negative electrode casing keep isolation to separate, negative pole is prevented effectively from
Material and negative electrode casing contact and product inflatable, leakage or even the phenomenon exploded is occurred, and have prevented potential safety hazard, what product was used
Security more preferably, especially by the annular groove on elastic buckles, can make lithium coin cells in assembling, directly pass through annular
Groove is assembled, and uses extremely convenient；
3rd, one kind of the utility model design easily assembling lithium coin cells, pass through heatsink transverse hole and vertical heat emission hole, energy
Transversely heat emission hole and vertical heat emission hole are delivered to anode cover surface to enough heats for producing anode electrolyte in electrolytic process
Radiated, effectively prevent the accumulation of energy of anode electrolyte in use, influence battery life；
4th, one kind of the utility model design easily assembling lithium coin cells, pass through the arc bent angle of negative electrode casing bottom and isolation
The vertical bent angle of film fixing end, can be effectively increased the fastness of negative electrode casing and barrier film connection, and anode cover and negative electrode casing, every
Separated from insulation is carried out by sealed insulation colloid between film, can effectively reach the effect of sealed insulation.
Brief description of the drawings
Fig. 1 is the lithium coin cells sectional view of the flexible button of the utility model.
In figure：1- negative electrode casings, 2- anode covers, 3- electrolyte liquid, 4- anode electrolytes, 5- barrier films, 6- collectors, 7-
Sealed insulation colloid, 8- steam vents, 9- barrier film fixing ends, 10- both positive and negative polarity barrier films, 11- heatsink transverses hole, 12- vertically radiates
Hole, 13- electrolyte flows hole, 14- elastic buckles.
Embodiment
To make those skilled in the art more clear and clear and definite the technical solution of the utility model, with reference to embodiment and
Accompanying drawing is described in further detail to the utility model, but embodiment not limited to this of the present utility model.
As shown in figure 1, a kind of easily assembling lithium coin cells, including negative electrode casing 1, anode cover 2, electrolyte liquid 3, positive pole electricity
Solve liquid 4, it is characterised in that：The electrolyte liquid 3 and the anode electrolyte 4 be arranged on by the negative electrode casing 1 and it is described just
In the confined space that the sealing of pole shell 2 is formed, both positive and negative polarity barrier film 10 is provided between the negative electrode casing 1 and the anode cover 2；It is described negative
Barrier film 5 is provided between pole shell 1 and the both positive and negative polarity barrier film 10, is provided between the top of the barrier film 5 and the negative electrode casing 1
Space, the barrier film 5 is the seal isolation film with barrier film fixing end 9, and the electrolyte liquid 3 is arranged on the isolation
Film 5, collector 6, lower surface and the electrolyte of the collector 6 are provided with the top dead center position of the barrier film 5
Liquid 3 is contacted, and the upper surface of the collector 6 is electrically connected with the negative electrode casing 1；The anode electrolyte 4 is arranged on the positive pole
In sealing area between shell 2 and the both positive and negative polarity barrier film 10, at least one heatsink transverse hole 11 is provided with the sealing area
With at least one vertical heat emission hole 12, the heatsink transverse hole 11 and the vertical heat emission hole 12 are used to exist anode electrolyte 4
The heat produced in electrolytic process is delivered to the table of anode cover 2 along the heatsink transverse hole 11 and the vertical heat emission hole 12
Face, is radiated, and at least one electrolyte flow hole 13 is provided with the heatsink transverse hole 11, the electrolyte flow hole 13 is used
In realizing positive electrolyte flow；Pass through sealed insulation colloid between the anode cover 2 and the negative electrode casing 1, the barrier film 5
7 progress insulation are separated；The upper end of the anode cover 2 is bent outwardly to form the elastic buckles 14 with annular groove, the elasticity
Button 14 is used to provide annular groove when lithium coin cells are assembled, and for preventing between the anode cover 2 and the negative electrode casing 1
The side of short circuit, the upper end of the elastic buckles 14 and the close negative electrode casing 1 is sealed with the sealed insulation colloid 7,
The elastic buckles 14 separate the anode cover 2 with the negative electrode casing 1 after being sealed with the sealed insulation colloid 7, the elasticity
The maximum outside diameter for detaining 14 upper ends is less than the maximum outside diameter of the anode cover 2 positioned at the lower end of elastic buckles 14；The negative electrode casing 1
It is provided with the steam vent 8 of insertion with the side of the barrier film 5, the steam vent 8 is used to occurring liberation of hydrogen inside button cell anti-
At once the hydrogen discharge produced；The bottom of the anode cover 2 is provided with arc lead angle, and the arc lead angle is used to prevent the button
Lithium battery deforms.
Further, as shown in figure 1, the space between the top of the barrier film 5 and the negative electrode casing 1 is exhausted by sealing
Edge colloid 7 is sealed, and the bottom of the negative electrode casing 1 is fitted and sealed with the barrier film fixing end 9, the negative electrode casing 1
Bottom is provided with arc bent angle, and the barrier film fixing end 9 is provided with upward vertical bent angle, the curved bend of the bottom of negative electrode casing 1
Angle is arranged in the vertical bent angle, is tightly connected between the both positive and negative polarity barrier film 10 and the anode cover 2, the both positive and negative polarity every
Film 10 is fitted with the lower surface of the barrier film 5.
Further, the sealed insulation colloid 7 is sealed insulation nylon, the heatsink transverse hole 11 and described vertical is dissipated
The aperture of hot hole 12 is 1.0~1.5mm, and the aperture in the electrolyte flow hole 13 is the heatsink transverse hole 11 and described perpendicular
To 3~5 times of the aperture of heat emission hole 12, the electrolyte liquid 3 is lithium-ion electrolyte, and anode electrolyte 4 is manganese dioxide electricity
Liquid is solved, the aperture of the steam vent 8 is 0.2~0.5mm.
In summary, the present embodiment provide one kind easily assembling lithium coin cells, it is simple in construction, by negative electrode casing and every
From steam vent is provided with film, the hydrogen produced when occurring evolving hydrogen reaction inside button cell can be discharged, it is to avoid air volume
Gathering makes button cell inflatable, leakage or even explodes inside button cell, further improves the security that product is used；By every
From film, collector and elastic buckles, effectively negative electrode casing and anode cover insulation can be separated, and ensure that negative material and negative electrode casing are protected
Hold isolation to separate, be prevented effectively from negative material and negative electrode casing contact and product inflatable, leakage or even the phenomenon exploded is occurred, Du
Potential safety hazard absolutely, the security that product is used more preferably, especially by the annular groove on elastic buckles, can make button lithium electricity
Directly assembled by annular groove in assembling, use extremely convenient in pond；Pass through heatsink transverse hole and vertical radiating
Hole, transversely heat emission hole and vertical heat emission hole are delivered to anode cover to the heat that can produce anode electrolyte in electrolytic process
Surface is radiated, and effectively prevent the accumulation of energy of anode electrolyte in use, influences battery life；Pass through negative pole
The arc bent angle of shell bottom and the vertical bent angle of barrier film fixing end, can be effectively increased negative electrode casing and barrier film connection it is firm
Property, and separated between anode cover and negative electrode casing, barrier film by the progress insulation of sealed insulation colloid, it can effectively reach that sealing is exhausted
The effect of edge.
It is described above, only the utility model preferred embodiment, but protection domain of the present utility model is not limited to
This, any one skilled in the art is in scope disclosed in the utility model, according to skill of the present utility model
Art scheme and its design are subject to equivalent substitution or change, belong to protection domain of the present utility model.
Claims (10)
1. a kind of easily assembling lithium coin cells, including negative electrode casing (1), anode cover (2), electrolyte liquid (3), anode electrolyte
(4), it is characterised in that：The electrolyte liquid (3) and the anode electrolyte (4) are arranged on by the negative electrode casing (1) and institute
State anode cover (2) sealing formed confined space in, between the negative electrode casing (1) and the anode cover (2) be provided with both positive and negative polarity every
Film (10)；Barrier film (5), the top of the barrier film (5) are provided between the negative electrode casing (1) and the both positive and negative polarity barrier film (10)
Space is provided between the negative electrode casing (1), the barrier film (5) is the seal isolation film with barrier film fixing end (9), institute
State electrolyte liquid (3) and be arranged on the barrier film (5), collector is provided with the top dead center position of the barrier film (5)
(6), the lower surface of the collector (6) is contacted with the electrolyte liquid (3), the upper surface of the collector (6) with it is described
Negative electrode casing (1) is electrically connected；The anode electrolyte (4) is arranged between the anode cover (2) and the both positive and negative polarity barrier film (10)
Sealing area in, at least one heatsink transverse hole (11) and at least one vertical heat emission hole are provided with the sealing area
(12), the heatsink transverse hole (11) and the vertical heat emission hole (12) are used to produce anode electrolyte (4) in electrolytic process
Raw heat is delivered to the anode cover (2) surface along the heatsink transverse hole (11) and the vertical heat emission hole (12), carries out
At least one electrolyte flow hole (13) is provided with radiating, the heatsink transverse hole (11), the electrolyte flow hole (13) is used
In realizing positive electrolyte flow；It is exhausted by sealing between the anode cover (2) and the negative electrode casing (1), the barrier film (5)
Edge colloid (7) carries out insulation and separated；The upper end of the anode cover (2) is bent outwardly to form the elastic buckles with annular groove
(14), the elastic buckles (14) are used to provide annular groove when lithium coin cells are assembled, and for preventing the anode cover (2)
Short-circuit between the negative electrode casing (1), the side of the upper end of the elastic buckles (14) and the close negative electrode casing (1) is with described
Sealed insulation colloid (7) is sealed, by the anode cover after the elastic buckles (14) and the sealed insulation colloid (7) sealing
(2) separated with the negative electrode casing (1), the maximum outside diameter of elastic buckles (14) upper end, which is less than, is located at the elastic buckles (14) lower end
The anode cover (2) maximum outside diameter；The side of the negative electrode casing (1) and the barrier film (5) is provided with the steam vent of insertion
(8) hydrogen that, the steam vent (8) is used to produce when occurring evolving hydrogen reaction inside button cell is discharged；The anode cover (2)
Bottom be provided with arc lead angle, the arc lead angle be used for prevent the lithium coin cells from deforming.
2. a kind of easily assembling lithium coin cells according to claim 1, it is characterised in that：The top of the barrier film (5)
Space between the negative electrode casing (1) is sealed by sealed insulation colloid (7).
3. a kind of easily assembling lithium coin cells according to claim 1, it is characterised in that：The bottom of the negative electrode casing (1)
Fit and seal with the barrier film fixing end (9), the bottom of the negative electrode casing (1) is provided with arc bent angle.
4. a kind of easily assembling lithium coin cells according to claim 3, it is characterised in that：The barrier film fixing end (9)
Provided with upward vertical bent angle, the arc bent angle of negative electrode casing (1) bottom is arranged in the vertical bent angle.
5. a kind of easily assembling lithium coin cells according to claim 1, it is characterised in that：The both positive and negative polarity barrier film (10) with
It is tightly connected between the anode cover (2), the both positive and negative polarity barrier film (10) is fitted with the lower surface of the barrier film (5).
6. a kind of easily assembling lithium coin cells according to claim 1, it is characterised in that：The sealed insulation colloid (7)
For sealed insulation nylon.
7. a kind of easily assembling lithium coin cells according to claim 1, it is characterised in that：The heatsink transverse hole (11) and
The aperture of the vertical heat emission hole (12) is 1.0~1.5mm.
8. a kind of easily assembling lithium coin cells according to claim 1, it is characterised in that：The electrolyte flow hole (13)
Aperture be 3~5 times of the heatsink transverse hole (11) and the vertical heat emission hole (12) aperture.
9. a kind of easily assembling lithium coin cells according to claim 1, it is characterised in that：The electrolyte liquid (3) be
Lithium-ion electrolyte, anode electrolyte (4) is manganese dioxide electrolyte.
10. a kind of easily assembling lithium coin cells according to claim 1, it is characterised in that：The aperture of the steam vent (8)
For 0.2~0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621258957.7U CN206471417U (en) | 2016-11-23 | 2016-11-23 | A kind of easily assembling lithium coin cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621258957.7U CN206471417U (en) | 2016-11-23 | 2016-11-23 | A kind of easily assembling lithium coin cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206471417U true CN206471417U (en) | 2017-09-05 |
Family
ID=59710815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621258957.7U Expired - Fee Related CN206471417U (en) | 2016-11-23 | 2016-11-23 | A kind of easily assembling lithium coin cells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206471417U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2685704C1 (en) * | 2018-07-13 | 2019-04-23 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Ampoule-type chemical current sources |
| CN109713170A (en) * | 2017-10-25 | 2019-05-03 | 深圳科博源科技有限公司 | Button-shaped miniaturized high capacity lithium battery with explosion prevention function |
| CN111261805A (en) * | 2020-01-19 | 2020-06-09 | 惠州市恒泰科技股份有限公司 | Button battery and preparation process thereof |
-
2016
- 2016-11-23 CN CN201621258957.7U patent/CN206471417U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713170A (en) * | 2017-10-25 | 2019-05-03 | 深圳科博源科技有限公司 | Button-shaped miniaturized high capacity lithium battery with explosion prevention function |
| RU2685704C1 (en) * | 2018-07-13 | 2019-04-23 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Ampoule-type chemical current sources |
| CN111261805A (en) * | 2020-01-19 | 2020-06-09 | 惠州市恒泰科技股份有限公司 | Button battery and preparation process thereof |
| CN111261805B (en) * | 2020-01-19 | 2024-04-05 | 惠州市恒泰科技股份有限公司 | Button cell and preparation process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20191123 |