CN203434214U - Button cell for in-situ X-ray diffraction analysis during charge and discharge - Google Patents
Button cell for in-situ X-ray diffraction analysis during charge and discharge Download PDFInfo
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- CN203434214U CN203434214U CN201320510713.3U CN201320510713U CN203434214U CN 203434214 U CN203434214 U CN 203434214U CN 201320510713 U CN201320510713 U CN 201320510713U CN 203434214 U CN203434214 U CN 203434214U
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- China
- Prior art keywords
- button cell
- pole piece
- active material
- situ
- ray diffraction
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a button cell for in-situ X-ray diffraction analysis during charge and discharge. The button cell comprises a bottom cover, a cushion block, a pole piece made of active materials, a metal ring, an isolating membrane, a lithium piece and a top cover, wherein a through hole is formed in the middle of the bottom cover; the bottom cover is connected with the top cover in a combined mode; the pole piece made of the active materials, the metal ring, the isolating membrane, the lithium piece and the cushion block are sequentially arranged between the bottom cover and the top cover; the pole piece made of the active materials is bonded on the bottom cover and is provided with a PI (Polyimide) membrane on which a metal layer is plated, and a coating layer is evenly formed on the surface of the metal layer by coating; electrolytes are filled in two sides of the isolating membrane. According to the button cell, by utilizing the excellent X-ray permeability of the PI membrane and combining the easy-to-assemble characteristic of the button cell, the diffraction analysis is simple and easy to implement as well as simple to operate; any structural modification or additional arrangement of a functional assembly on an X-ray powder diffractometer is not required.
Description
Technical field
The utility model relates to technical field of lithium ion, particularly a kind of for discharging and recharging the button cell of in situ X-ray diffraction diffraction analysis.
Background technology
For research battery discharge and recharge and/or cyclic process in the behavior of electrode material and the Changing Pattern of micro-structural, to explore, improve charge-discharge performance, extend battery, scientific research personnel need to analyze and research to the electrode material under different conditions.Discharging and recharging at present material X ray test is mainly static method or quasi-dynamic method, these two kinds of methods all need to dismantle battery, by ultrasonic vibration method, from electrode, take off active material, and wash to neutrality and dry again, finally with powder x-ray diffraction, carry out test analysis.Obviously, this static state and accurate dynamic studies method are brought problems, and such as dispersiveness of inevitable interference and test result etc., this has brought a lot of unfavorable factors to research work.
In order to improve above problem, in recent years, people have done many improvement.For example, patent publication No. is the < < being applied for by Shanghai Inst. of Microsystem and Information Technology, Chinese Academy of Sci patent for the X diffraction in-situ testing device > > of electrode charge and discharge process of CN1844947A, mainly by making fixture, carry out in situ X-ray diffraction test, the method need be made special fixture, and this experimental provision is comparatively complicated, inconvenient operation.
Number of patent application is the < < being applied for by Dongguan New Energy Technology Co X-ray diffraction home position testing method of 201110442139.8 and the patent of specimen holder > >, mainly with transparent packing bag, make laminated batteries, use punching aluminium foil to do collector, X ray penetrates the cavity detection active material in packaging bag and aluminium foil, the method is because need are made complete laminated batteries, manufacture craft is had relatively high expectations, and battery rigidity is inadequate, when test, acquire a certain degree of difficulty.
With X ray fixture or oneself, make fixture, the former needs the corresponding fixture of special making, and the latter's manufacture method is comparatively complicated, and condition is harsher.This has increased Financial cost on the one hand, also needs on the other hand to spend more time and efforts.
For improving the above-mentioned shortcoming of current method of testing and testing apparatus, the utility model utilizes the good X ray permeability of polyimide film (PI film), in conjunction with button batteries dress, is easy to feature, produces the battery that is easy to making and in situ X-ray diffraction test.
Utility model content
In order to address the above problem, the purpose of this utility model is, provides a kind of for discharging and recharging the button cell of in situ X-ray diffraction diffraction analysis, it can discharge and recharge in situ X-ray diffraction test on X-ray diffractometer arbitrarily, simple, operate comparatively simple, to instrument and equipment it goes without doing any change.
In order to achieve the above object, the technical solution of the utility model is, for discharging and recharging the button cell of in situ X-ray diffraction diffraction analysis, comprise bottom, cushion block, active material pole piece, becket, barrier film, lithium sheet, top cover, bottom middle part is provided with through hole, bottom and top cover are connected, active material pole piece, becket, barrier film, lithium sheet and cushion block are placed between bottom and top cover successively, active material pole piece is bonded on bottom, active material pole piece is provided with the PI film that is coated with metal level, and layer on surface of metal is evenly coated with dope layer, barrier film both sides are filled with electrolyte.The utility model be on common button cell bottom perforate as X ray detection window, the active material pole piece of inside battery is provided with the PI film that is coated with metal level, and be evenly coated with one deck dope layer at metal level, utilize X ray to PI(polyimides) characteristic that penetrates of material, substrate using PI film as active material electrode diaphragm, with micron order metal level, make collector, the X ray that external instrument sends like this can see through PI film and metal level, reach active material portion, thereby observe the variation of active material, carry out in situ X-ray diffraction test.Can carry out in situ X-ray diffraction detection not affecting in battery performance situation like this, the performance study of active material is of great importance.
As further improvement of the utility model, hole size is 7 ~ 12mm.
As further improvement of the utility model, the thickness of active material pole piece is 100 nm.
The beneficial effects of the utility model are, the utility model utilizes the good X ray permeability of PI film, in conjunction with button batteries dress, is easy to feature, simple, operate comparatively simply, do not need that in addition any structure of modification or functional unit add to x-ray powder diffraction instrument itself.Make method of testing be simple and easy to realize simultaneously; Employing material environment friendly is nontoxic, easily obtains.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cutaway view of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage are more clear, in conjunction with the following drawings, it are further described, with reference to Fig. 1 and Fig. 2.
For discharging and recharging the button cell of in situ X-ray diffraction diffraction analysis, comprise bottom 1, cushion block 6, active material pole piece 2, becket 3, barrier film 4, lithium sheet 5, top cover 7, bottom 1 middle part is provided with through hole 11, bottom 1 is connected with top cover 7, active material pole piece 2, becket 3, barrier film 4, lithium sheet 5 and cushion block 6 are placed between bottom 1 and top cover 7 successively, active material pole piece is bonded on bottom 1, active material pole piece 2 is provided with the PI film that is coated with metal level, and layer on surface of metal is evenly coated with dope layer, barrier film 4 both sides are filled with electrolyte.
Utilize the utility model to carry out in situ X-ray diffraction detection very simple.Only need first on PI film, to plate one deck micron order metal level, more deployed active material slurry is coated on PI film, active material pole piece 2 just completes.In order the bottom 1 of top cover 7, cushion block 6, lithium sheet 5, barrier film 4, becket 3, active material pole piece 2, punching is assembled into button cell, with epoxide-resin glue, the bottom of PI film and punching 1 is bondd, the sealing of assurance inside battery, middle becket 3 conducting active material and the battery cases that use, at each addend of barrier film 4 both sides, drip electrolyte therebetween, discharge and recharge original position XRD test and install into by button batteries.Should be noted when pole piece is bonded on the bottom 1 of punching, on through hole 11 edges of bottom 1, coat thin layer epoxy resin, guarantee that sealing notes not having influence on X ray simultaneously and see through window; Becket 3 also should be noted on putting position, and in the middle of allowing, active material fully contacts with barrier film 4, and becket 3 plays and bottom 1 is connected to the effect of conducting with active material diaphragm 2.Whole battery system adds electrolyte can not be too many, in order to avoid due to the too large battery air tightness that affects of pressure.The button cell assembling is connected to outside charging/discharging apparatus, be placed on X-ray diffractometer specimen holder, can discharge and recharge in situ X-ray diffraction test.
As preferably, the hole that approximately 10 mm are got at bottom 1 center, polishes smooth bore edges with sand paper, and cleaning-drying is standby; After PI film is clean with ultrasonic cleaning, one side plates one deck densified metal layer therein, thickness is about 100 nm(and guarantees that X ray is through play collector effect simultaneously, depending on material, determine to aluminize or copper), more deployed slurry is evenly coated in to the one side of metal cladding, after oven dry, cold pressing; PI film with active material is washed into disk, with cotton swab, edge active material is wiped, so that becket 3 contacts, make active material pole piece 2; Becket 3 should be chosen the metal thin material that thickness is suitable, strikes out ring-type, plays conducting active material pole piece 2 in metal bottom cover 1 effect; Barrier film 4 is ion conducting effect, and area can not be too little; Lithium sheet 5 needs surface clean smooth, can not have oxide layer; Cushion block 6 can be steel disc or nickel foam for button cell.
The announcement of book according to the above description, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, to modifications and changes more of the present utility model, also should fall in the protection range of claim of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not become any restriction to the utility model patent.
Claims (3)
1. for discharging and recharging the button cell of in situ X-ray diffraction diffraction analysis, it is characterized in that: comprise bottom, cushion block, active material pole piece, becket, barrier film, lithium sheet, top cover, bottom middle part is provided with through hole, bottom and top cover are connected, active material pole piece, becket, barrier film, lithium sheet and cushion block are placed between bottom and top cover successively, active material pole piece is bonded on bottom, active material pole piece is provided with the PI film that is coated with metal level, and layer on surface of metal is evenly coated with dope layer, barrier film both sides are filled with electrolyte.
2. according to claim 1ly for discharging and recharging the button cell of in situ X-ray diffraction diffraction analysis, it is characterized in that, hole size is 7 ~ 12mm.
3. according to claim 1ly for discharging and recharging the button cell of in situ X-ray diffraction diffraction analysis, it is characterized in that, the thickness of active material pole piece is 100 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510713.3U CN203434214U (en) | 2013-08-20 | 2013-08-20 | Button cell for in-situ X-ray diffraction analysis during charge and discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510713.3U CN203434214U (en) | 2013-08-20 | 2013-08-20 | Button cell for in-situ X-ray diffraction analysis during charge and discharge |
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| Publication Number | Publication Date |
|---|---|
| CN203434214U true CN203434214U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320510713.3U Expired - Lifetime CN203434214U (en) | 2013-08-20 | 2013-08-20 | Button cell for in-situ X-ray diffraction analysis during charge and discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434214U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393223A (en) * | 2014-10-17 | 2015-03-04 | 侯燕 | X-ray diffractometer in situ battery accessory, heating device, cooling device and measuring method |
| CN109752657A (en) * | 2017-11-03 | 2019-05-14 | 中国科学院大连化学物理研究所 | Nuclear magnetic resonance original position battery testing attachment and its test method |
| CN109883880A (en) * | 2019-02-01 | 2019-06-14 | 中国科学院物理研究所 | Battery pole piece produces gas in situ detection device |
-
2013
- 2013-08-20 CN CN201320510713.3U patent/CN203434214U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393223A (en) * | 2014-10-17 | 2015-03-04 | 侯燕 | X-ray diffractometer in situ battery accessory, heating device, cooling device and measuring method |
| CN104393223B (en) * | 2014-10-17 | 2016-12-07 | 侯燕 | X-ray diffractometer battery package, heating-cooling device and measuring method in situ |
| CN109752657A (en) * | 2017-11-03 | 2019-05-14 | 中国科学院大连化学物理研究所 | Nuclear magnetic resonance original position battery testing attachment and its test method |
| CN109752657B (en) * | 2017-11-03 | 2021-03-30 | 中国科学院大连化学物理研究所 | Nuclear magnetic resonance in-situ battery testing accessory and testing method thereof |
| CN109883880A (en) * | 2019-02-01 | 2019-06-14 | 中国科学院物理研究所 | Battery pole piece produces gas in situ detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |