CN203607508U - Three-electrode button cell - Google Patents
Three-electrode button cell Download PDFInfo
- Publication number
- CN203607508U CN203607508U CN201320771644.1U CN201320771644U CN203607508U CN 203607508 U CN203607508 U CN 203607508U CN 201320771644 U CN201320771644 U CN 201320771644U CN 203607508 U CN203607508 U CN 203607508U
- Authority
- CN
- China
- Prior art keywords
- electrode
- negative
- plate
- copper core
- button cell
- Prior art date
- 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 - Lifetime
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract 3
- 238000012332 laboratory investigation Methods 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Classifications
-
- 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
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- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model provides a three-electrode button cell, and aims to provide a three-electrode button cell which is appropriate for the use of laboratory investigation or company research and development. According to the technical scheme, the three-electrode button cell comprises a positive plate and a negative plate, wherein a positive shell which plays a protection role is arranged at the periphery of the positive plate, a negative shell which plays the protection role is arranged at the periphery of the negative plate, a metallic lithium ring which is connected with a copper core is a reference electrode, and is arranged between the positive plate and the negative plate, and barrier films are arranged between the metallic lithium ring and the positive plate as well as between the metallic lithium ring and the negative plate. The three-electrode button cell provided by the utility model has the advantages that a standardized button cell can be selected and refitted to be a three-electrode button cell, operation is simple, manufacturing cost is low, and experiment replicability is good, so that the three-electrode button cell can be used on large scale.
Description
Technical field
The utility model relates to a kind of battery, is specifically related to a kind of work electrode, button cell to electrode and reference electrode three electrode modes of comprising.
Background technology
Lithium ion battery from nineteen ninety commercialization so far, is widely used in every field.Through the development of more than 20 years, the performance of lithium ion battery each side had obvious lifting and improvement, comprised energy density, power density, cycle life and security performance etc.This need to give the credit to academia and industrial circle has been carried out theoretical research extensively and profoundly to lithium-ion battery system, the for example exploitation of novel positive and negative electrode material, the preparation optimization of various functional additives, the development of new lithium salts and the research of electrolyte/electrode interface etc.
Electrochemical method is the important means of lithium ion battery material development and performance evaluation research, such as cyclic voltammetric and AC impedance etc.Use button cell to carry out electro-chemical test as two electrode systems more simple and convenient, but also have obvious defect, two electrode systems can only embody the overall impedance of battery, so cannot study the impedance variation of unitary electrode self.While doing cyclic voltammetry in addition, because existing, electrode surface resistance value changes, so cause the magnitude of voltage that is applied to work electrode to produce skew.
The deficiency existing based on above-mentioned two electrode button cells often need to be used three-electrode battery system, to improve accuracy and the science of test in scientific research or Corporation R & D.But at present three common electrode models or commercially available multi-form defect and the deficiency of three-electrode cell ubiquity, such as build heaviness, price is high, assembling is inconvenient etc.
Chinese patent ZL201120155332 discloses a kind of three electrode button cells, but it caves in the metal feedthrough rod as reference electrode central module at electrode plane 0.2 ~ 1mm place, the closed metal shell of metal feedthrough rod outside is welded on the housing of button cell.Though this patent has some models of three electrode button cells, but because its reference electrode is welded on button cell housing, and its reference electrode is at the reference electrode of a side interpolation of two electrode button electrodes, the improvement to two electrode button electrodes to a certain extent, because it is provided with closed metal shell etc., no matter reference electrode is as for edge or the center of button cell, and the large and out-of-shape of its shared volume, is not easy to deposit and use.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of three electrode button cells that are applicable to laboratory research or company's research and development use; concrete technical scheme of the present utility model is: three electrode button cells; comprise positive plate, negative plate; described positive plate is arranged with the anodal housing shielding outward; negative plate is arranged with the negative pole housing shielding outward; wherein: the lithium metal ring that is provided with a connection copper core between described positive plate and negative plate; described lithium metal ring is reference electrode, between described lithium metal ring and positive plate, negative plate, is provided with barrier film.
The copper core that described copper core is rubber coated, avoids short circuit for isolated electrode.
Anodal housing and negative pole housing are provided with breach, and breach size conforms to the copper core of rubber coated, blocks outwardly directed copper core during for anodal housing and negative pole housing closing lid.
Between negative plate and negative pole housing, be also provided with the pad of support and fixation.
Pad is two-layer, and one deck is the stainless steel gasket of pressing close to negative plate, and another layer is the foam metal pad of pressing close to negative pole housing, and wherein foam metal pad can be that foam copper pad can be also nickel foam pad.
Anodal housing and negative pole housing can use standardized button cell housing, preferably CR2032, CR2025 and CR2016.Before assembling three-electrode battery, get out a breach at anodal housing and corresponding negative electrode casing body side surface, the copper core of the rubber coated of this breach size and rubber coated conforms to, in assembling process, when positive and negative electrode housing closing lid, in the middle of the copper core of rubber coated can just being stuck in, rubber adhesive plays insulating effect to avoid short circuit, then fluid sealant that can be curing is coated in the place of interface, preferred epoxy, fluid sealant for the sealing of three-electrode system, can be fixed the copper core of rubber coated and the connection of button cell on the one hand in addition.Use lithium metal ring as reference electrode, in assembling, lithium metal ring is placed between positive and negative plate, and the internal diameter of lithium metal ring is greater than the diameter of positive plate, and lithium metal ring is soft, can compress and be connected with the copper core of rubber coated.Stainless steel gasket and foam copper pad are mainly used in the support fixation of three electrode button cell inside, foam copper by deformation to play the effect of buffering.
The beneficial effects of the utility model are:
1. the utility model utilizes the structure of button cell to improve, and the copper core that lithium metal ring connects rubber coated is reference electrode, and after assembling, the copper core of rubber coated passes the breach of both positive and negative polarity housing one side, has saved volume, is convenient to use in research and development;
2. the utility model is simple in structure, easy to assembly, and experimental repeatability is good, is suitable for assembling in enormous quantities and uses.
Accompanying drawing explanation
Fig. 1 is three electrode button decomposing schematic representations in the utility model embodiment 1;
Fig. 2 is three electrode button cell schematic diagrames after assembling in the utility model embodiment 1.
1, anodal housing; 2, positive plate; 3, barrier film; 4, lithium metal ring; 5, barrier film; 6, negative plate; 7, stainless steel gasket; 8, foam copper pad; 9, negative pole housing; 10, the copper core of rubber coated; 11, three electrode button cells.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
With reference to figure 1 and Fig. 2; three electrode button cells; comprise positive plate 2, negative plate 6; the outer anodal housing 1 shielding that is arranged with of described positive plate 2; the outer negative pole housing 9 shielding that is arranged with of negative plate 6; wherein: between described positive plate 2 and negative plate 6, be provided with the lithium metal ring 4 of a connection copper core, described lithium metal ring 4 is reference electrode, is provided with barrier film 3 and 5 between described lithium metal ring 4 and positive plate 2, negative plate 6.
The copper core 10 that described copper core is rubber coated, avoids short circuit for isolated electrode.
Anodal housing 1 and negative pole housing 9 are provided with breach, and breach size conforms to the copper core 10 of rubber coated, blocks outwardly directed copper core during for anodal housing 1 and negative pole housing 9 closing lid.
Between negative plate 6 and negative pole housing 9, be also provided with the pad of support and fixation.
Pad is two-layer, and one deck is the stainless steel gasket 7 of pressing close to negative plate 6, and another layer is the foam metal pad 8 of pressing close to negative pole housing 9, and wherein foam metal pad 8 is foam copper pad or nickel foam pad.
Manufacture method is: the CR2032 button cell of choice criteria, and use the awl in suitable aperture to go out breach at the side face drilling of anodal housing 1 and negative pole housing 9 respectively, pore size need to conform to the diameter of the copper core 10 of rubber coated.In glove box, an electrolyte on dripping on the anodal housing 1 of having holed, put positive plate 2, drip a upper electrolyte, put barrier film, drip upper two electrolyte, in addition one end of the copper core 10 of rubber coated is placed on lithium metal ring 4 above after, use flat stainless steel cylinder that the copper core 10 of rubber coated and lithium metal ring 4 compressions are linked together, then they are placed into diaphragms together, the direction of adjusting lithium metal ring 4 sticks in the breach of anodal housing 1 side with the copper core 10 that guarantees rubber coated, put again a barrier film, drip upper two electrolyte, put negative plate 6, drip upper 5 electrolyte, put successively again stainless steel gasket 7 and foam copper pad 8, finally cover negative pole housing 9, the direction of adjusting negative pole housing snaps in the breach of negative pole housing 9 sides with the copper core 10 that guarantees rubber coated, in glove box, after sealing, can prepare three electrode button cells 11, the indentation, there of battery side is coated epoxy resin, after epoxy resin cure, can take out glove box and test use outward.
Above-described embodiment have been described in detail three electrode button cells; it is illustrative and indefiniteness; more than that a kind of specific embodiment structure provided by the utility model is described in detail; illustrative rather than determinate; that is to say the modifications and variations under the utility model general plotting, within should belonging to protection range of the present utility model.
Claims (5)
1. three electrode button cells; comprise positive plate, negative plate; described positive plate is arranged with the anodal housing shielding outward; negative plate is arranged with the negative pole housing shielding outward; it is characterized in that: the lithium metal ring that is provided with a connection copper core between described positive plate and negative plate; described lithium metal ring is reference electrode, between described lithium metal ring and positive plate, negative plate, is provided with barrier film.
2. three electrode button cells according to claim 1, is characterized in that: the copper core that described copper core is rubber coated, avoid short circuit for isolated electrode.
3. three electrode button cells according to claim 2, is characterized in that: described anodal housing and negative pole housing are provided with breach, and breach size conforms to the copper core of rubber coated, blocks outwardly directed copper core during for anodal housing and negative pole housing closing lid.
4. three electrode button cells according to claim 1, is characterized in that: the pad that has also been provided with support and fixation between described negative plate and negative pole housing.
5. three electrode button cells according to claim 4, is characterized in that: described pad is two-layer, and one deck is the stainless steel gasket of pressing close to negative plate, and another layer is the foam metal pad of pressing close to negative pole housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320771644.1U CN203607508U (en) | 2013-11-30 | 2013-11-30 | Three-electrode button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320771644.1U CN203607508U (en) | 2013-11-30 | 2013-11-30 | Three-electrode button cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607508U true CN203607508U (en) | 2014-05-21 |
Family
ID=50720170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320771644.1U Expired - Lifetime CN203607508U (en) | 2013-11-30 | 2013-11-30 | Three-electrode button cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607508U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785068A (en) * | 2017-01-08 | 2017-05-31 | 合肥国轩高科动力能源有限公司 | Three-electrode soft package battery and preparation method thereof |
| US20180108952A1 (en) * | 2016-10-17 | 2018-04-19 | GM Global Technology Operations LLC | Three-electrode test cell |
| CN109216831A (en) * | 2017-06-29 | 2019-01-15 | 中国科学院上海硅酸盐研究所 | A kind of test metal-air redox flow battery device |
| CN109428113A (en) * | 2017-08-31 | 2019-03-05 | 大众汽车有限公司 | Sensor device, lithium ion element cell for lithium ion element cell |
| CN111896597A (en) * | 2020-07-06 | 2020-11-06 | 上海纳米技术及应用国家工程研究中心有限公司 | Three-electrode system detection device for detecting electrochemical performance of button cell |
| CN113140820A (en) * | 2021-03-22 | 2021-07-20 | 同济大学 | Three-electrode button cell device for accurate measurement and application |
| CN114280482A (en) * | 2021-12-06 | 2022-04-05 | 上海空间电源研究所 | Full cell and silicon-based material intrinsic cycle stability evaluation method based on full cell |
-
2013
- 2013-11-30 CN CN201320771644.1U patent/CN203607508U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180108952A1 (en) * | 2016-10-17 | 2018-04-19 | GM Global Technology Operations LLC | Three-electrode test cell |
| CN107959056A (en) * | 2016-10-17 | 2018-04-24 | 通用汽车环球科技运作有限责任公司 | Battery is tested in three poles |
| US10446884B2 (en) * | 2016-10-17 | 2019-10-15 | GM Global Technology Operations LLC | Three-electrode test cell |
| CN106785068A (en) * | 2017-01-08 | 2017-05-31 | 合肥国轩高科动力能源有限公司 | Three-electrode soft package battery and preparation method thereof |
| CN106785068B (en) * | 2017-01-08 | 2019-09-10 | 合肥国轩高科动力能源有限公司 | Three-electrode soft package battery and preparation method thereof |
| CN109216831A (en) * | 2017-06-29 | 2019-01-15 | 中国科学院上海硅酸盐研究所 | A kind of test metal-air redox flow battery device |
| CN109428113A (en) * | 2017-08-31 | 2019-03-05 | 大众汽车有限公司 | Sensor device, lithium ion element cell for lithium ion element cell |
| CN111896597A (en) * | 2020-07-06 | 2020-11-06 | 上海纳米技术及应用国家工程研究中心有限公司 | Three-electrode system detection device for detecting electrochemical performance of button cell |
| CN113140820A (en) * | 2021-03-22 | 2021-07-20 | 同济大学 | Three-electrode button cell device for accurate measurement and application |
| CN113140820B (en) * | 2021-03-22 | 2022-11-18 | 同济大学 | Three-electrode button cell device for accurate measurement and application |
| CN114280482A (en) * | 2021-12-06 | 2022-04-05 | 上海空间电源研究所 | Full cell and silicon-based material intrinsic cycle stability evaluation method based on full cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 Guangdong province Dongguan city Dongguan Ecological Industrial Park Xingye Road Patentee after: KAIXIN BATTERY MATERIAL Co.,Ltd. Address before: 523000 Guangdong province Dongguan City Chashan Town Ecological Industrial Park Industrial Road Patentee before: KAIXIN BATTERY MATERIAL Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190410 Address after: 510000 No. 8 Kangda Road, Dongcheng District, Yunpu Industrial Zone, Huangpu District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU TINCI MATERIALS TECHNOLOGY Co.,Ltd. Address before: 523000 Dongguan Eco-Industrial Park, Dongguan City, Guangdong Province Patentee before: KAIXIN BATTERY MATERIAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |