CN200993980Y - Reference electrode assembly - Google Patents
Reference electrode assembly Download PDFInfo
- Publication number
- CN200993980Y CN200993980Y CNU2006201753466U CN200620175346U CN200993980Y CN 200993980 Y CN200993980 Y CN 200993980Y CN U2006201753466 U CNU2006201753466 U CN U2006201753466U CN 200620175346 U CN200620175346 U CN 200620175346U CN 200993980 Y CN200993980 Y CN 200993980Y
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- CN
- China
- Prior art keywords
- reference electrode
- sleeve pipe
- electrode assembly
- lug
- battery
- 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 - Fee Related
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- 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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Abstract
The utility model provides a reference electrode component, and is composed of a reference electrode (1) and a tab (3), which are connected with each other and extend out from the reference electrode (1); wherein, the reference electrode component comprises a sleeve (4), and the reference electrode (1) is fixed in the sleeve (4), and the tab (3) extends from the top end of the sleeve (4). The reference electrode component, which is provided by the utility model, has stable structure, so that the experiment can be done smoothly, and accordingly, the experimental efficiency can be promoted, and the scientific research and production process can be promoted effectively.
Description
Technical field
The utility model relates to field of batteries, more particularly, relates to a kind of reference electrode assembly.
Background technology
Lithium ion battery has that volume is little, energy is high, free of contamination advantage, has been applied to portable type electronic products such as mobile phone, digital camera more and more widely.Along with constantly popularizing of lithium ion battery, also more and more for the research work of its material, performance and safety problem.The battery research work relates to electrode problems in the electrochemistry, in order to study the both positive and negative polarity performance of battery better, often introduces the 3rd electrode as reference electrode, as standard, tests positive pole or the negative pole current potential for reference electrode with reference electrode respectively.
As shown in Figure 1, common reference electrode assembly comprises reference electrode 1, barrier film 2 and lug 3, and described lug 3 is wrapped in the reference electrode 1 and from reference electrode 1 and stretches out, and described barrier film 2 is coated on the outside of reference electrode 1.This reference electrode assembly in use, at first on the cover plate of battery container, open a hole, then this reference electrode assembly is inserted battery container by described hole, and reference electrode 1 and lug 3 are stretched out outside the battery container by described hole, at last fluid sealant is coated in described hole septation 2 around and in the described barrier film 2 lug 3 around, make fixedly reference electrode 1 and of fluid sealant with the outside seal of battery and barrier film 2.Common employed reference electrode adopts the lithium metal to make, and barrier film is common polyethylene ion exchange membrane or polypropylene ion exchange membrane, so reference electrode 1 and barrier film 2 are made by softer material.Therefore, the structural instability of this reference electrode assembly, reference electrode 1 is fixing not firm in barrier film 2, comes off from lug 3 easily.If in the process of experiment, reference electrode 1 comes off from lug 3, will cause the termination of testing, and may cause the experimental result of previous experiments to be cancelled, thereby the process of having postponed experiment has reduced the efficient of experiment, has incured loss through delay scientific research and production.
The utility model content
The purpose of this utility model is to provide a kind of constitutionally stable reference electrode assembly.
The reference electrode assembly that the utility model provides comprises reference electrode 1 and lug 3, described lug 3 links to each other with reference electrode 1 and stretches out from reference electrode 1, and wherein, this reference electrode assembly also comprises sleeve pipe 4, described reference electrode 1 is fixed in the sleeve pipe 4, and described lug 3 stretches out from the upper end of sleeve pipe 4.
Because the reference electrode assembly that the utility model provides comprises sleeve pipe 4, sleeve pipe 4 can firmly fix the position of reference electrode 1, make reference electrode 1 be difficult for coming off from lug 3, so the reference electrode assembly that the utility model provides has stable structure, experiment is successfully carried out, thereby improved the efficient of experiment, promoted the process of scientific research and production effectively.
Description of drawings
Fig. 1 is the structural representation of the reference electrode assembly of prior art;
Fig. 2 is the structural representation of the reference electrode assembly that provides of the utility model;
Fig. 3 is the structural representation of the reference electrode assembly that provides of the utility model;
Fig. 4 is the structural representation that reference electrode assembly that the utility model provides cooperates with battery.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
As shown in Figures 2 and 3, the reference electrode assembly that the utility model provides comprises reference electrode 1 and lug 3, described lug 3 links to each other with reference electrode 1 and stretches out from reference electrode 1, wherein, this reference electrode assembly also comprises sleeve pipe 4, described reference electrode 1 is fixed in the sleeve pipe 4, and described lug 3 stretches out from the upper end of sleeve pipe 4.
1 fixing and supporting role of 4 pairs of reference electrodes of described sleeve pipe, when the reference electrode assembly was put into battery container, described sleeve pipe 4 played simultaneously with the effect of reference electrode 1 with the positive and negative electrode insulation of battery.Described sleeve pipe 4 can be the pipe of various strips, as columnar pipe.Described sleeve pipe 4 can adopt various insulating material to make.Size to described sleeve pipe 4 is unqualified, and the size of described sleeve pipe 4 is as long as match with the size of reference electrode 1.Thickness to described sleeve pipe 4 is unqualified, as long as the thickness of described sleeve pipe 4 makes sleeve pipe 4 possess the rigidity of enough support reference electrodes 1.When filling in reference electrode 1 in the sleeve pipe 4, produce interference fit between reference electrode 1 and the sleeve pipe 4, thereby reference electrode 1 is fixed in the sleeve pipe 4 firmly.
For the electrolyte in the battery is immersed in the sleeve pipe 4, contact with reference electrode 1 in the sleeve pipe 4, preferably, described sleeve pipe 4 is provided with hole 5.There is no particular limitation to the number in hole 5 and size, and the number in hole 5 can be 2-10 as described, and the diameter in described hole 5 can be the 0.2--2 millimeter.Described hole 5 can be on sleeve pipe 4 arranges arbitrarily, but in order to prevent that electrolyte and lug 3 from reacting, influences the test result of reference electrode assembly, and preferably, described hole 5 is arranged on the position of the close reference electrode 1 on the sleeve pipe 4.
Described reference electrode 1 can be various reference electrodes well known in the art.There is no particular limitation to the size of described reference electrode 1, and the size of described reference electrode 1 can be determined according to the model of the battery of being tested.When selecting the lithium metal as reference electrode 1 for use, in order to prevent the lithium metal by airborne dioxygen oxidation, the assembling of reference electrode assembly generally need be finished in glove box.
For reference electrode 1 is contacted fully with electrolyte in the battery, preferably, stretch out from the lower end of sleeve pipe 4 lower end of described reference electrode 1, and the length of the extension of described reference electrode 1 is not more than 5 millimeters, preferably, the length of the extension of described reference electrode 1 is the 0.2-2 millimeter.In order to make reference electrode 1 stable and react equably, preferably, the shape that is shaped as rule of the extension of described reference electrode 1 is as being pressed into the extension of reference electrode 1 sheet or fine strip shape.
Described lug 3 can adopt the various material that can conduct electricity well known in the art to make.Described lug 3 can have any shape, as sheet or cylindric, size to lug 3 has no particular limits, as long as the length of lug 3 can make lug 3 link to each other with reference electrode 1 and stretch out from sleeve pipe 4 as described, the diameter of described lug 3 can be the 0.5-5 millimeter, the width of described lug 3 can be the 1-5 millimeter, and the thickness of described lug 3 can be the 0.3-2 millimeter.
Described lug 3 can be connected with reference electrode 1 by variety of way well known in the art, as welding, lug 3 is directly contacted with reference electrode 1.When adopting the lithium metal as reference electrode 1, at first part lithium metal is gone into sleeve pipe 4 by an end plug of sleeve pipe 4, then the other end of lug 3 from sleeve pipe 4 stretched into the sleeve pipe 4, again remaining lithium metal is filled in the sleeve pipe 4 by the other end of sleeve pipe 4, the lithium becket is provided with around lug 3, with stainless steel nail the lithium metal is firmly compressed again, so that the lithium metal closely contacts with lug 3.
The reference electrode assembly that the utility model is provided is assembled into line description in battery below.
If the inner space of mesuring battary is bigger, as shown in Figure 4, directly on the cover plate 7 of battery container 6, open the hole that an aperture is a bit larger tham the external diameter of sleeve pipe 4; The lower end of reference electrode assembly is inserted in the battery container 6 by this hole, electrolyte in reference electrode 1 and the housing 6 is contacted, and the reference electrode 1 and the positive and negative electrode of battery are insulated, make whole inside that are positioned at housing 6 of reference electrode 1 simultaneously, make the part of lug 3 be positioned at the outside of housing 6; At last fluid sealant 8 is coated in described hole middle sleeve 4 around and in the sleeve pipe 4 lug 3 around, described fluid sealant is fixed on the cover plate 7 of battery container 6 the reference electrode assembly, and battery and sleeve pipe 4 sealed.When being coated with fluid sealant, flow in order to prevent fluid sealant, can be at paper cover of the outer end of sleeve pipe 4 cover.If the space of mesuring battary is less, the electric core of mesuring battary can be split out, this electricity core is packed in the bigger battery container, then operation according to the method described above, need carry out fluid injection again this moment to battery, and reservoir quantity is decided according to the volume of used battery container.
The reference electrode assembly that the utility model provides can be used for the test and the analysis and research of the performance of various batteries, battery can be the fresh cells after changing into as described, also can be to carry out various tests, circulation, used battery, so the reference electrode assembly that the utility model provides is with a wide range of applications.
Claims (7)
1, a kind of reference electrode assembly, this reference electrode assembly comprises reference electrode (1) and lug (3), described lug (3) links to each other with reference electrode (1) and stretches out from reference electrode (1), it is characterized in that, this reference electrode assembly also comprises sleeve pipe (4), described reference electrode (1) is fixed in the sleeve pipe (4), and described lug (3) stretches out from the upper end of sleeve pipe (4).
2, reference electrode assembly according to claim 1 is characterized in that, described sleeve pipe (4) is provided with one or more holes (5).
3, reference electrode assembly according to claim 2 is characterized in that, described hole (5) are arranged on the position of the close reference electrode (1) on the sleeve pipe (4).
4, reference electrode assembly according to claim 1 is characterized in that, is interference fit between described reference electrode (1) and the sleeve pipe (4).
5, reference electrode assembly according to claim 1 is characterized in that, stretch out from the lower end of sleeve pipe (4) lower end of described reference electrode (1).
6, reference electrode assembly according to claim 5 is characterized in that, the length of the extension of described reference electrode (1) is not more than 5 millimeters.
7, reference electrode assembly according to claim 5 is characterized in that, the shape that is shaped as rule of the extension of described reference electrode (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201753466U CN200993980Y (en) | 2006-12-18 | 2006-12-18 | Reference electrode assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201753466U CN200993980Y (en) | 2006-12-18 | 2006-12-18 | Reference electrode assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993980Y true CN200993980Y (en) | 2007-12-19 |
Family
ID=38947053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201753466U Expired - Fee Related CN200993980Y (en) | 2006-12-18 | 2006-12-18 | Reference electrode assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993980Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654359A (en) * | 2016-12-28 | 2017-05-10 | 上海航天电源技术有限责任公司 | Lithium ion battery capable of non-destructively detecting electrode interface |
| CN107192860A (en) * | 2016-03-14 | 2017-09-22 | 江苏卓芯电子科技有限公司 | Two kinds with magnetic-type and optical observation window cell design |
-
2006
- 2006-12-18 CN CNU2006201753466U patent/CN200993980Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192860A (en) * | 2016-03-14 | 2017-09-22 | 江苏卓芯电子科技有限公司 | Two kinds with magnetic-type and optical observation window cell design |
| CN106654359A (en) * | 2016-12-28 | 2017-05-10 | 上海航天电源技术有限责任公司 | Lithium ion battery capable of non-destructively detecting electrode interface |
| CN106654359B (en) * | 2016-12-28 | 2019-03-29 | 上海航天电源技术有限责任公司 | A kind of lithium ion battery of energy lossless detection electrode interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |