CN201348613Y - Lithium ion battery electrochemical test box for on site X-ray diffraction analysis - Google Patents
Lithium ion battery electrochemical test box for on site X-ray diffraction analysis Download PDFInfo
- Publication number
- CN201348613Y CN201348613Y CNU2008202392638U CN200820239263U CN201348613Y CN 201348613 Y CN201348613 Y CN 201348613Y CN U2008202392638 U CNU2008202392638 U CN U2008202392638U CN 200820239263 U CN200820239263 U CN 200820239263U CN 201348613 Y CN201348613 Y CN 201348613Y
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- Prior art keywords
- ray diffraction
- main body
- test box
- pole
- cover plate
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- Expired - Fee Related
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- 238000002441 X-ray diffraction Methods 0.000 title claims abstract description 22
- 238000000840 electrochemical analysis Methods 0.000 title claims abstract description 15
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000004088 simulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 239000007772 electrode material Substances 0.000 description 8
- 238000011160 research Methods 0.000 description 6
- 238000003487 electrochemical reaction Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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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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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
本实用新型涉及一种锂离子电池模拟电池的电化学测试盒，主要包括工作腔盖板和测试盒主体，工作腔盖板由螺丝与盒体实现封装，工作腔盖板上开有一个与X射线衍射入射光束面积相当的X射线视窗，测试盒主体内部设有一端开口的工作腔，与X射线衍射入射光束的面积相当；在测试盒主体的底端置入垫片，测试盒主体底部开有供电极极柱插入的贯通孔道，孔道中部置入密封圈，电极极柱上部设有极柱托，极柱托与盒体之间由铆合螺钉铆合，电极极柱通过外压的作用上下移动，推动垫片在一定的空间范围内上下移动，工作腔盖板与外电路通过导电夹具相连。本实用新型的有益效果是：成本低，且操作简单，在手套箱内即可装配使用，适用于各种小型的实验室。
The utility model relates to an electrochemical test box for a lithium-ion battery simulation battery, which mainly includes a working cavity cover plate and a test box main body. The working cavity cover plate is encapsulated by screws and the box body. The X-ray window with the same area as the incident beam of X-ray diffraction, the main body of the test box is equipped with a working cavity with one end opening, which is equivalent to the area of the incident beam of X-ray diffraction; a gasket is placed at the bottom of the main body of the test box, and the bottom of the main body of the test box is opened There is a through hole for the insertion of the electrode pole, and a sealing ring is placed in the middle of the hole. There is a pole support on the upper part of the electrode pole. The pole support and the box body are riveted by riveting screws. Move up and down, push the gasket to move up and down within a certain space range, and the working chamber cover is connected with the external circuit through a conductive fixture. The beneficial effect of the utility model is that the cost is low, the operation is simple, it can be assembled and used in a glove box, and it is suitable for various small laboratories.
Description
Technical field
The utility model relates to a kind of lithium-ion battery system proving installation, specifically relates to realize the electro-chemical test box of the lithium ion battery simulated battery of the all-sealed structure that on-the-spot X-ray analysis electrode microstructure changes.
Background technology
In recent years, along with the depletion of earth resources and the enhancing of social enviroment protection consciousness, green clean energy resource has become the important directions in energy storage and Conversion of energy field.Electrochmical power source has become necessary part in production and the life as basic energy reserve and reforming unit, and is especially in today of portable electric appts high speed development, more and more to the demand of chargeable Green Chemistry power supply.Secondary cells such as more traditional NI-G, plumbic acid, lithium ion battery have characteristics such as its high-energy-density, long-life and environmentally safe, have been widely used as the electrical source of power of portable electric appts at present.For the further light weight miniaturization development of satisfying electronic equipment and the electric automobile widespread demand to the large-capacity high-power electrochmical power source, the new lithium ion battery electrode material system of exploitation and research becomes the focus in Study on Li-ion batteries using field unavoidablely.The electrochemical characteristic of further investigation novel electrode material, the essence of destructing electrode process has become requisite link of exploitation new material undoubtedly.The structural transformation feature of electrode material in charge and discharge process is the key factor that influences chemical property, and how effectively and accurately structural change is characterized is a difficult problem in the electrode material research process.
X-ray diffraction X-Ray Diffraction is analytical test means commonly used such as the crystal structure, phase composition of research material.In the research of electrode material, X-ray diffraction is the composition that characterizes electrode material, and the important research method of the crystalline structure variation of material under different removal lithium embedded states.But because general x-ray diffractometer itself does not have galvanochemistry on-the-spot test assembly, and lithium ion battery must could operate as normal in the environment of anhydrous, anaerobic.The chemical property of the material of different removal lithium embedded states is very active, and the structural stability of galvanochemistry removal lithium embedded product in atmospheric environment of its electrode is not good.This is information gatherings such as material structure sign in the electrochemical process, crystalline state transformation and has brought difficulty.Therefore, usually, for this class testing, many researchists have to take intermittently stop electro-chemical test, take out the method that electrode material carries out non-at-scene test separately and carry out structural characterization.In addition, this non-at-scene method must adopt a plurality of samples repeatedly to test, the information that the difference collection structure changes, and this obviously can cause certain deviation.
Summary of the invention
The purpose of this utility model is to provide a kind of lithium ion battery electro-chemical test box that can realize a kind of all-sealed structure of on-the-spot X-ray diffraction analyzing electrode microstructure change.This is a kind of battery case of simulated battery.This electro-chemical test box is an all-sealed structure, and the Experimental cell conversion zone occurs in the cavity of sealing, links to each other with external circuit by metallic conductor, to carry out electrochemical reaction.This electro-chemical test box has the X ray incidence window, by this window, can realize that simulated battery carries out the X-ray diffraction on-the site analysis in electrochemical reaction process, thereby the essential characteristic of structural transformation in the announcement electrochemical reaction process, for the approach that further investigation electrode material, announcement electrochemical process essence provide science to test, more research and develop new material simple and effective householder method is provided.
The technical solution of the utility model is: a kind of lithium ion battery electro-chemical test box that is used for on-the-spot X-ray diffraction analysis, this testing cassete mainly comprises working chamber cover plate and testing cassete main body, the working chamber cover plate is realized encapsulation by screw and box body, have an X ray form suitable on the working chamber cover plate with X-ray diffraction incident beam area, the testing cassete body interior is provided with the working chamber of an end opening, and is suitable with the area of X-ray diffraction incident beam; Pad is inserted in bottom in the testing cassete main body, the testing cassete bottom part body has the perforation duct that power supply utmost point pole inserts, O-ring seal is inserted at the middle part, duct, make to contact between working chamber and the electrode pole closely, realize tightly encapsulation, electrode pole top is provided with the pole holder, between pole holder and the box body by riveted screw riveted, the electrode pole moves up and down by the effect of external pressure, promotes pad and moves up and down in certain spatial dimension, and the working chamber cover plate links to each other by conductive fixture with external circuit.The testing cassete main body is a polytetrafluoroethylmaterial material, and electrode pole and pad are stainless steel.
The beneficial effects of the utility model are: operate very simply, cost is low, not only can be used as common simulated battery testing cassete, also can be as the X-ray diffraction on-the site analysis in the electro-chemical test process.The cavity in box body internal electrical chemical reaction zone has flexible controllability, is applicable to that the pole piece of various different-thickness carries out electro-chemical test and on-the-spot X-ray diffraction analysis.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Fig. 1 is a section assembling synoptic diagram of the present utility model.
Fig. 2 is an one-piece construction perspective diagram of the present utility model.
Among the figure: 1, working chamber cover plate, 2, the testing cassete main body, 3, screw, 4, O-ring seal, 5, the pole holder, 6, the riveted screw, 7, the electrode pole, 8, pad.
Embodiment
The utility model mainly comprises working chamber cover plate 1 and testing cassete main body 2, working chamber cover plate 1 is realized encapsulation by four screws 3 and box body, have an X ray form suitable on the working chamber cover plate 1, can shine to greatest extent on the electrode plane that needs test with the energy that guarantees X ray with X-ray diffraction incident beam area.Because it is simple as much as possible and practical that the assembly of box body needs, this cover plate adopts stainless steel, by with the tight purpose that reaches afflux that contacts of survey pole piece.Therefore, another effect of this cover plate is the collector of working electrode, can link to each other by conductive fixture with external circuit.Testing cassete main body 2 is a rectangular structure, and inside is provided with the working chamber of an end opening, and is suitable with the area of X-ray diffraction incident beam; Insert pad 8 in the bottom of testing cassete main body 2, pad 8 plays a part collector, in addition also as the support pad of regulating cavity chamber volume.During electro-chemical test, work pole piece, barrier film, electrode plates is stacked gradually on pad 8, and inside cavity is full of electrolytic solution.Testing cassete main body 2 bottoms have the perforation duct that power supply utmost point pole 7 inserts, O-ring seal 4 is inserted at duct middle part, makes between working chamber 2 and the electrode pole 7 contact closely, and realization tightly encapsulates, convenient for what process, electrode pole 7 tops are provided with pole holder 5 with the fixing locus of pole.Between pole holder 5 and the box body by riveted screw 6 riveteds, electrode pole 7 can move up and down by the effect of external pressure, promote pad 8 and in certain spatial dimension, move up and down, reaching the tight assembling between each assembly of simulated battery, thereby electrochemical reaction is carried out smoothly.Testing cassete main body 2 is a polytetrafluoroethylmaterial material, and electrode pole 7 and pad 8 are stainless steel.
Claims (3)
1, a kind of lithium ion battery electro-chemical test box that is used for on-the-spot X-ray diffraction analysis, it is characterized in that, this testing cassete mainly comprises working chamber cover plate (1) and testing cassete main body (2), working chamber cover plate (1) is realized encapsulation by four screws (3) and box body, have an X ray form suitable on the working chamber cover plate (1) with X-ray diffraction incident beam area, testing cassete main body (2) inside is provided with the working chamber of an end opening, and is suitable with the area of X-ray diffraction incident beam; Insert pad (8) in the bottom of testing cassete main body (2), testing cassete main body (2) bottom has the perforation duct that power supply utmost point pole (7) inserts, O-ring seal (4) is inserted at the middle part, duct, electrode pole (7) top is provided with pole holder (5), by riveted screw (6) riveted, working chamber cover plate (1) links to each other by conductive fixture with external circuit between pole holder (5) and the box body.
2, a kind of lithium ion battery electro-chemical test box that on-the-spot X-ray diffraction is analyzed that is used for according to claim 1 is characterized in that described testing cassete main body (2) is a polytetrafluoroethylmaterial material.
3, a kind of lithium ion battery electro-chemical test box that on-the-spot X-ray diffraction is analyzed that is used for according to claim 1 is characterized in that described electrode pole (7) and pad (8) are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202392638U CN201348613Y (en) | 2008-12-30 | 2008-12-30 | Lithium ion battery electrochemical test box for on site X-ray diffraction analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202392638U CN201348613Y (en) | 2008-12-30 | 2008-12-30 | Lithium ion battery electrochemical test box for on site X-ray diffraction analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201348613Y true CN201348613Y (en) | 2009-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202392638U Expired - Fee Related CN201348613Y (en) | 2008-12-30 | 2008-12-30 | Lithium ion battery electrochemical test box for on site X-ray diffraction analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201348613Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435625A (en) * | 2011-12-27 | 2012-05-02 | 东莞新能源科技有限公司 | Method and sample shelf for X-ray diffraction in-situ test |
| CN108387594A (en) * | 2018-02-09 | 2018-08-10 | 中国电力科学研究院有限公司 | A kind of method and system of non-destructive testing stack type lithium ion battery |
-
2008
- 2008-12-30 CN CNU2008202392638U patent/CN201348613Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435625A (en) * | 2011-12-27 | 2012-05-02 | 东莞新能源科技有限公司 | Method and sample shelf for X-ray diffraction in-situ test |
| CN108387594A (en) * | 2018-02-09 | 2018-08-10 | 中国电力科学研究院有限公司 | A kind of method and system of non-destructive testing stack type lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20101230 |