CN207398237U - New fastening lithium ionic cell housing - Google Patents
New fastening lithium ionic cell housing Download PDFInfo
- Publication number
- CN207398237U CN207398237U CN201721482629.XU CN201721482629U CN207398237U CN 207398237 U CN207398237 U CN 207398237U CN 201721482629 U CN201721482629 U CN 201721482629U CN 207398237 U CN207398237 U CN 207398237U
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- Prior art keywords
- electrode shell
- electrode
- line
- lithium ionic
- cell housing
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/109—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure of button or coin shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model is related to field of lithium ion battery, disclose a kind of new fastening lithium ionic cell housing, including：First electrode shell, second electrode shell, first electrode shell includes, positioned at the first electrode end cap and first annular wall body being made of metal, perforative through hole is also placed on the first annular wall body, insulation glue-line is coated with completely outside the first annular wall body, and the insulation glue-line is integrated full of each through hole, the insulation glue-line；Second electrode shell includes, the second electrode end cap and the second endless wall being made of metal, it is nested inside and outside first annular wall body, the second endless wall, first electrode end cap is opposite with second electrode end cap, and insulating cement interlayer is interposed between the contact site between first electrode shell, second electrode shell.
Description
Technical field
The utility model is related to field of lithium ion battery more particularly to a kind of new fastening lithium ionic cell housings.
Background technology
Button cell (button cell) is also referred to as button cell, refers to battery of the appearance and size as a small button, generally
For thinner thickness (compared with No. 5 AA batteries of prismatic battery such as in the market).Button cell is to battery from shape
Divide, equal corresponding cell classification has prismatic battery, rectangular cell, a Special-shaped battery.
The appearance of button cell is stainless steel material, and as anode, cathode is the circular lid of stainless steel, and anode is with bearing
Interpolar has sealing ring insulation, and sealing ring is made of PP or PET, and sealing ring is in addition to insulating effect is played, moreover it is possible to electrolyte be prevented to leak.
As the application of intelligence wearing product is more and more extensive, people are for the lithium ion secondary rechargeable battery of small size
Demand it is also increasingly wider.So button cell is increasingly used in intelligence wearing product, such as earphone etc., button is improved
The capacity of battery is the big problem for needing to solve at present.
Utility model content
The first purpose of the utility model embodiment is to provide a kind of new fastening lithium ionic cell housing, using this
Structure is conducive to improve the capacity of button cell.
A kind of new fastening lithium ionic cell housing that the utility model embodiment provides, including：First electrode shell,
Second electrode shell,
Wherein described first electrode shell includes, positioned at the first electrode end cap and first annular wall body being made of metal,
Perforative through hole is also placed on the first annular wall body, is coated with completely outside the first annular wall body
Insulate glue-line, and the insulation glue-line, full of each through hole, the insulation glue-line is integrated；The second electrode
Shell includes, the second electrode end cap and the second endless wall being made of metal,
It is nested inside and outside the first annular wall body, the second endless wall, the first electrode end cap and the described second electricity
Extreme lid is opposite, and the insulating cement interlayer is interposed between the contact site between the first electrode shell, second electrode shell.
Optionally, the through hole the smooth of the edge.
Optionally, the through hole is formed using etch process.
Optionally, a diameter of 0.1~1mm of the through hole, error are ± 0.03 millimeter.
Optionally, the insulation glue-line is formed by curing by injection outside the first annular wall body.
Optionally, the insulation glue-line outside the first electrode shell, second electrode shell phase are mutually interference fitted nested encryptions.
Optionally, in the outer wall that is contacted with the second electrode shell phase of insulation glue-line, be provided with a gradient with it is described
Second electrode valve jacket connects the consistent bank slope in direction, and at the bank slope position, the insulation glue-line is toward close to described
The thickness in first electrode end cap direction is linearly thickening.
Optionally, insulating cement ring also is separated between interference between the first electrode shell, second electrode shell,
The insulation rubber ring is resilient deformed state in the case where the first electrode shell, second electrode shell squeeze.
Optionally, the insulation rubber ring is integrated with the insulation glue-line, and protrusion is in the outer wall of the insulation glue-line.
Optionally, the insulation rubber ring and the insulation glue-line are mutually independent, are socketed in the outer wall of the insulation glue-line.
Optionally, the first annular wall body, the second endless wall are straight no bead-like.
Optionally, the first electrode end cap and first annular wall body are integrated.
Optionally, the second electrode end cap and the second endless wall are integrated.
Optionally, the wall thickness of the first annular wall body, and/or the second endless wall is (0.2 ± 0.03) millimeter.
Optionally, the thickness of the first electrode end cap, and/or second electrode end cap is (0.2 ± 0.03) millimeter.
Optionally, the first electrode shell is anode, and the second electrode shell is cathode.
Therefore using the utility model embodiment technical solution, in the fastening lithium ionic cell of the present embodiment, by
In outside first annular wall body complete tight have integrated insulation glue-line, compared with the prior art, using the structure, have
Beneficial to reduce first electrode shell, second electrode shell thickness and its between interval, be conducive to increase fastening lithium ionic cell,
On the basis of set lithium ion battery specification, the capacity of button cell is improved.
Description of the drawings
Fig. 1 is a kind of assembling volume rendering structural representation for button cell housing that the utility model embodiment provides
Figure；
Fig. 2 is the main structure diagram of Fig. 1；
Fig. 3 is the overlooking the structure diagram of Fig. 1；
Fig. 4 is the A-A cross-sectional views of Fig. 3；
Fig. 5 is the structure diagram of the first electrode shell and insulation glue-line in Fig. 4；
Fig. 6 is the second electrode shell dimensional structure diagram in Fig. 1 battery cases；
Fig. 7 is the vertical view main structure diagram of Fig. 6；
Fig. 8 is the overlooking the structure diagram of Fig. 6；
Fig. 9 is the B-B cross-sectional views of Fig. 6；
Figure 10 is the dimensional structure diagram of the metal base enclosure of the first electrode shell in Fig. 1 battery cases；
Figure 11 is the main view cross-sectional view of Fig. 8；
Figure 12 is the overlooking the structure diagram of Fig. 8.
Reference numeral
101：First electrode shell； 102：First electrode end cap
103：First annular wall body；104 through holes
201：Second electrode shell； 202：Second electrode end cap；
203：Second endless wall； 301：Insulate glue-line.
Specific embodiment
Referring to shown in Fig. 1~12.
A kind of new fastening lithium ionic cell shell structure is present embodiments provided, it can be pre- using the shell structure
The battery core bodies that fixed button cell specification improves button cell house.
This fastening lithium ionic cell is included with shell structure：The shell being made of first electrode shell 101, second electrode shell 201
Body.This housing can be used for the battery core bodies of encapsulation button cell, the wherein battery core bodies can be, but not limited to as laminated battery core or
Wind battery core bodies.
Wherein, in button cell in housing standard component, first electrode shell 101, second electrode shell 201 are metal-back,
First electrode shell 101, the opposite of second electrode shell 201 connect together, and make positive and negative anodes end cap opposite.
In the prior art, first electrode shell 101, second electrode shell 201 are metal material, and thickness is respectively 2.0
~2.5 millimeters are provided with a crimping at the edge of first electrode shell 101 or second electrode shell 201, are set on the crimping
The annular insulation cushion rubber that a thickness is thicker than crimping is put, annular insulation cushion rubber interference is made to be spaced in first electrode shell 101, second electrode
Between shell 201.
In the present embodiment, first electrode shell 101 includes being located at first electrode end cap 102, the Yi Jiyou being made of metal
First annular wall body 103 made of metal is coated with integrated insulation glue-line 301 completely outside first annular wall body 103.
In the present embodiment, be preferably but not limited to use Shooting Technique insulating cement is arranged on the inner wall of first annular wall body 103, outer wall with
And distal end faces.
Second electrode shell 201 includes being located at the second electrode end cap 202 being made of metal and be made of metal second
Endless wall 203.
It is nested inside and outside first annular wall body 103, the second endless wall 203, first electrode end cap 102 and second electrode end cap
202 is opposite, and insulation glue-line 301 is spaced in the contact site between first electrode shell 101, second electrode shell 201 as illustrated in fig. 4
Between.
As the signal of the present embodiment, the thickness of first electrode shell 101, second electrode shell 201 is made by the present embodiment
Very thin, thickness is about (0.15 ± 0.03) millimeter, and first annular wall body is provided through on first annular wall body 103
103 through hole 104 makes the colloid of insulation glue-line 301 of cladding tie 301 being integrated of insulation glue-line full of these through holes 104
Structure.
Therefore in the fastening lithium ionic cell of the present embodiment, due to completely close outside first annular wall body 103
Be enclosed with integrated insulation glue-line 301, compared with the prior art, using the structure, advantageously reduce first electrode shell 101,
The thickness of second electrode shell 201 and its between interval, be conducive to increase fastening lithium ionic cell, set lithium ion battery advise
On the basis of lattice, the capacity of button cell is improved.
Also, the present embodiment technical solution is used, by first electrode shell 101, the first annular wall body of second electrode shell 201
103rd, the second endless wall 203 is arranged to flat, without setting crimping, is conducive to increase the intracavity space of housing.
In addition, setting through hole 104 in the metal base enclosure of first electrode shell 101, it is embedded in the insulation glue-line 301 of package
In through hole 104, make insulation glue-line 301 firmly integral with Metal Substrate hull shape, metal base enclosure is wrapped in its surface.Using this
Through hole 104 is provided with the tight ness rating of the combination beneficial to the insulation glue-line 301 and first electrode shell 101 for further improving cladding, has
Intracavity space that is thinner, and then increasing housing is done beneficial to the glue-line 301 that will insulate.
As the signal of the present embodiment, the present embodiment is used in 101 periphery of first electrode shell cladding and first electrode completely
301 film of insulation glue-line that shell 101 is combined as a whole by through hole 104, using the structure of cladding insulation glue-line 301, a side
Face ensures the being dielectrically separated from property of positive and negative anodes of shell, on the other hand also compensates for the slimming design of first electrode shell 101, enhancing
Casing rigidity.
As the signal of the present embodiment, the metal base enclosure in first electrode shell 101 using etch process can be, but not limited to
On the through hole 104 for carrying and stating is made, 104 a diameter of 0.1mm~1mm of the through hole makes through hole 104 be evenly distributed on the metal base enclosure
On.
As the signal of the present embodiment, the through hole 104 on the first annular wall body 103 of first electrode shell 101 is arranged to
The hairless thorn-like of edge-smoothing is the utility model preferred embodiment, advantageously reduces the short circuit ratio of battery core bodies.
It as the signal of the present embodiment, can be, but not limited to by the way of injection, insulation glue-line 301 be wrapped in first
The surface of electrode shell 101, wherein thickness of the insulation glue-line 301 on 101 surface of first electrode shell are arranged to 0.1~0.3 millimeter,
It can be ensured that insulation glue-line 301 can be uniformly injected into through hole 104 using Shooting Technique, and improve the insulating cement on metal-based layer surface
The uniformity of layer 301, is conducive to the shaping of ultrathin insulating glue-line 301.
It is shown in Figure 4, match somebody with somebody the interference between first annular wall body 103, the second endless wall 203 of insulation glue-line 301
It closes.
Furthermore it is also possible to one is set on the insulation glue-line 301 of 101 outer wall of first electrode shell shown in Figure 4ly along oblique
Slope, making the insulation glue-line 301 on slope, its thickness is more and more thicker along close first electric motor end cap, 102 direction, makes first annular wall
Its interference intensity is changed from small to big when body 103, the socket of the second endless wall 203, is set using the slope and is on the one hand enhanced first
On the other hand the cooperation tautness of electrode shell 101, second electrode shell 201 facilitates first electrode shell 101, second electrode shell 201
Between socket connection, make the more laborsaving simplicity of socket.
As the signal of the present embodiment, between first electrode shell 101, second electrode shell 201 interference can also be set to match somebody with somebody
The insulation rubber ring (being not drawn into figure) of conjunction makes insulation rubber ring in the case where the first electrode shell 101, second electrode shell 201 squeeze
In elastic deformation, be arranged at intervals using insulation rubber ring interference fit be conducive to further improve first electrode shell 101,
Tightness between second electrode shell 201.
Wherein, the insulation rubber ring can be insulation glue-line 301 on extend in the one of its periphery enclose it is convex；Or with it is exhausted
301 phase of edge glue-line is independent, is socketed in the ring apron of 301 periphery of insulation glue-line.
As the signal of the present embodiment, the first electrode shell 101 of the present embodiment is cathode, and second electrode shell 201 is just
Pole.
In order to further illustrate the present embodiment technical solution effect, below by way of 16 millimeters of diameter of making, 5.4 millimeters of thickness
Experimental comparison's data of circular button cell illustrate：
Reference examples：
This fastening lithium ionic cell structure includes：Housing is encapsulated in the in vivo battery core bodies of metal-back, and wherein the battery core bodies can
Think laminated battery core or winding battery core bodies.
The housing include be electrically connected respectively with the negative plate of battery core bodies, positive plate first electrode shell, second electrode shell, with
And it is spaced in the insulation cushion rubber between first electrode shell, second electrode shell.
Wherein, first electrode shell, the material thickness of second electrode shell are 0.1~0.15 millimeter, and insulation cushion rubber thickness is
0.08~0.1 millimeter.
Lithium-ion electric core is inserted between the maximum formed in first electrode shell, second electrode shell, and makes lithium ion telecommunications body
Capacity it is maximum.
Embodiment 1：
The present embodiment and reference examples the difference is that：
The metal base enclosure of first electrode shell is annular flat planar, and without crimping, the thickness of metal base enclosure is 0.15 milli on both sides
Rice is coated with insulation glue-line on metal base enclosure surface completely by Shooting Technique, and insulation bondline thickness is 0.2 millimeter, entire exhausted
Edge glue-line is integrated.
Second electrode shell is also metal base enclosure of the plane without crimping, and the thickness of metal base enclosure is 0.15 millimeter.
Battery core bodies are inserted between the maximum formed in first electrode shell, second electrode shell, and make the capacity of lithium ion telecommunications body
It is maximum.
Wherein, the preparation process of battery core bodies and equipment are identical with reference examples.
Embodiment 2：
The present embodiment difference from Example 1 is：
Equally distributed through hole is also formed with by etch process on the metal base enclosure surface of first electrode shell, through-hole diameter is
0.6~1 millimeter, the injection of the insulation glue-line around metal base enclosure is coated on completely and is set in each through hole, is combined with metal base enclosure
It is integrated.The insulation bondline thickness of the present embodiment is 0.1 millimeter.
The structure and size of second electrode shell are the same as embodiment 1.
Battery core bodies are inserted between the maximum formed in first electrode shell, second electrode shell, and make the capacity of lithium ion telecommunications body
It is maximum.
Wherein, the preparation process of battery core bodies and equipment are identical with reference examples and embodiment.
| Project | Nominal voltage | Normal capacity | Operating current | Continuous current | Pulse current | Weight |
| Reference examples | 3.7V | 80mAh | 40mA | 40mA | 120mA | 4.5±0.2g |
| Embodiment 1 | 3.7V | 100mAh | 50mA | 50mA | 150mA | 4.8±0.2g |
| Embodiment 2 | 3.7V | 120mAh | 60mA | 60mA | 180mA | 5±0.2g |
As seen from the above table, unexpected effect can be obtained using embodiment 2.
It should be noted that the endless metal base enclosure of the present embodiment is actually not limited to circular ring shape using circular ring shape as signal,
For example can also be the annular of square annular or other shapes.
Embodiments described above does not form the restriction to the technical solution protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical solution
Within enclosing.
Claims (16)
1. a kind of new fastening lithium ionic cell housing, it is characterized in that, including：First electrode shell, second electrode shell,
The first electrode shell includes being located at the first electrode end cap being made of metal and first annular wall body,
Perforative through hole is also placed on the first annular wall body, insulation is coated with completely outside the first annular wall body
Glue-line, and the insulation glue-line, full of each through hole, the insulation glue-line is integrated；
The second electrode shell includes, the second electrode end cap and the second endless wall being made of metal,
It is nested inside and outside the first annular wall body, the second endless wall, the first electrode end cap and the second electrode end
Lid is opposite, and the insulating cement interlayer is interposed between the contact site between the first electrode shell, second electrode shell.
2. new fastening lithium ionic cell housing according to claim 1, it is characterized in that,
The through hole the smooth of the edge.
3. new fastening lithium ionic cell housing according to claim 1, it is characterized in that,
The through hole is formed using etch process.
4. new fastening lithium ionic cell housing according to claim 1, it is characterized in that,
A diameter of 0.1~1mm of the through hole, error are ± 0.03 millimeter.
5. new fastening lithium ionic cell housing according to claim 1 or 2, it is characterized in that,
The insulation glue-line is formed by curing by injection outside the first annular wall body.
6. new fastening lithium ionic cell housing according to claim 1, it is characterized in that,
The insulation glue-line outside the first electrode shell, second electrode shell phase are mutually interference fitted nested encryptions.
7. new fastening lithium ionic cell housing according to claim 6, it is characterized in that,
In the outer wall that the insulation glue-line is contacted with the second electrode shell phase, a gradient and the second electrode valve jacket are provided with
The consistent bank slope in direction is connect, at the bank slope position, the insulation glue-line is toward close to the first electrode end cap
The thickness in direction is linearly thickening.
8. new fastening lithium ionic cell housing according to claim 6, it is characterized in that,
And being separated with insulating cement ring between interference between the first electrode shell, second electrode shell,
The insulation rubber ring is resilient deformed state in the case where the first electrode shell, second electrode shell squeeze.
9. new fastening lithium ionic cell housing according to claim 8, it is characterized in that,
The insulation rubber ring is integrated with the insulation glue-line, and protrusion is in the outer wall of the insulation glue-line.
10. new fastening lithium ionic cell housing according to claim 8, it is characterized in that,
The insulation rubber ring and the insulation glue-line are mutually independent, are socketed in the outer wall of the insulation glue-line.
11. new fastening lithium ionic cell housing according to claim 1 or 2, it is characterized in that,
The first annular wall body, the second endless wall are straight no bead-like.
12. new fastening lithium ionic cell housing according to claim 1 or 2, it is characterized in that,
The first electrode end cap and first annular wall body are integrated.
13. new fastening lithium ionic cell housing according to claim 1 or 2, it is characterized in that,
The second electrode end cap and the second endless wall are integrated.
14. new fastening lithium ionic cell housing according to claim 1 or 2, it is characterized in that,
The wall thickness of the first annular wall body, and/or the second endless wall is (0.2 ± 0.03) millimeter.
15. new fastening lithium ionic cell housing according to claim 1 or 2, it is characterized in that,
The thickness of the first electrode end cap, and/or second electrode end cap is (0.2 ± 0.03) millimeter.
16. new fastening lithium ionic cell housing according to claim 1 or 2, it is characterized in that,
The first electrode shell is anode, and the second electrode shell is cathode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391231 | 2017-10-25 | ||
| CN2017213912315 | 2017-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398237U true CN207398237U (en) | 2018-05-22 |
Family
ID=61934389
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080947.8A Pending CN107946486A (en) | 2017-10-25 | 2017-11-06 | New fastening lithium ionic cell housing |
| CN201721468310.1U Active CN207353301U (en) | 2017-10-25 | 2017-11-06 | New fastening lithium ionic cell |
| CN201721482629.XU Active CN207398237U (en) | 2017-10-25 | 2017-11-06 | New fastening lithium ionic cell housing |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080947.8A Pending CN107946486A (en) | 2017-10-25 | 2017-11-06 | New fastening lithium ionic cell housing |
| CN201721468310.1U Active CN207353301U (en) | 2017-10-25 | 2017-11-06 | New fastening lithium ionic cell |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN107946486A (en) |
| WO (1) | WO2019080394A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122576A (en) * | 2020-08-31 | 2022-03-01 | 兴能高科技股份有限公司 | Cambered surface shell of button lithium secondary battery |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148742A (en) * | 2018-08-24 | 2019-01-04 | 深圳市能锐创新科技有限公司 | Fastening lithium ionic cell and its shell and button laminated lithium ion battery |
| CN109037501A (en) * | 2018-08-30 | 2018-12-18 | 深圳市能锐创新科技有限公司 | Buckle type lithium-ion battery shell and button laminated lithium ion battery |
| CN109037502A (en) * | 2018-08-30 | 2018-12-18 | 深圳市能锐创新科技有限公司 | Buckle type lithium-ion battery shell and button laminated lithium ion battery |
| CN111341984B (en) * | 2020-03-06 | 2021-01-15 | 刘亚明 | High-energy-density button lithium ion battery |
| CN112201836A (en) * | 2020-10-19 | 2021-01-08 | 嘉兴模度新能源有限公司 | Structure for packaging cylindrical battery by using non-heat gluing process and packaging process thereof |
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| JP2006040596A (en) * | 2004-07-23 | 2006-02-09 | Hitachi Maxell Ltd | Flat battery and its manufacturing method |
| DE102008018172A1 (en) * | 2008-04-03 | 2009-10-08 | Varta Microbattery Gmbh | Galvanic cell and process for its preparation |
| CN101752587A (en) * | 2008-12-04 | 2010-06-23 | 上海空间电源研究所 | Preparation method for integrated fuel battery of metal bipolar plate and sealing piece |
| CN201352572Y (en) * | 2009-02-18 | 2009-11-25 | 杨明 | Button-type battery |
| KR20160008270A (en) * | 2014-07-14 | 2016-01-22 | (주)오렌지파워 | Coin type lithium rechargeable battery |
| CN205028931U (en) * | 2015-09-30 | 2016-02-10 | 天能集团江苏科技有限公司 | Make things convenient for battery cover and sleeve cooperation structure that sealing washer impressed |
| CN106410071A (en) * | 2016-11-30 | 2017-02-15 | 东莞市鹏威实业投资有限公司 | Novel coiled button battery |
| CN206516715U (en) * | 2017-02-10 | 2017-09-22 | 东莞市鹏威能源科技有限公司 | A kind of button cell of new winding electrode |
-
2017
- 2017-11-06 CN CN201711080947.8A patent/CN107946486A/en active Pending
- 2017-11-06 CN CN201721468310.1U patent/CN207353301U/en active Active
- 2017-11-06 CN CN201721482629.XU patent/CN207398237U/en active Active
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2018
- 2018-01-27 WO PCT/CN2018/074369 patent/WO2019080394A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122576A (en) * | 2020-08-31 | 2022-03-01 | 兴能高科技股份有限公司 | Cambered surface shell of button lithium secondary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107946486A (en) | 2018-04-20 |
| WO2019080394A1 (en) | 2019-05-02 |
| CN207353301U (en) | 2018-05-11 |
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