CN206849980U - A kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process - Google Patents
A kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process Download PDFInfo
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- CN206849980U CN206849980U CN201720662468.6U CN201720662468U CN206849980U CN 206849980 U CN206849980 U CN 206849980U CN 201720662468 U CN201720662468 U CN 201720662468U CN 206849980 U CN206849980 U CN 206849980U
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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 kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process, it includes being located at the housing on base, the junction of the base and housing is sealed by sealing ring, and the top end face of the housing offers the watch window sealed with glass；The both sides of the housing are symmetrically threaded with positive conductive post, negative conductive post, and the positive conductive post stretches into the inside of housing, the other end with one end of negative conductive post and is connected respectively with the positive and negative electrode of power supply.The utility model coordinates SEM to observe and records the change of the interface in inferior pole piece electrochemical reaction process, and strong data and image foundation are provided for lithium ion battery type Selection Test.
Description
Technical field
It the utility model is related to technical field of lithium ion, and in particular to a kind of electrodes of lithium-ion batteries electrochemical reaction
The observation device of process.
Background technology
Lithium ion battery has that energy density is big, power output is high, discharge and recharge long lifespan, cruising time are long, pollution-free, work
Many advantages, such as making that temperature range is wide, self discharge is small and be green, by as new high-energy chemistry power supply.In recent years, lithium
Ion battery is widely used in the fields such as mobile phone, computer and electric automobile.
Lithium-ion battery system is varied, to find the battery system being more suitable for, it is necessary to do substantial amounts of testing experiment, with
Detect the response situation of different battery systems.But because electrochemical reaction process belongs to microprocess, existing test mode is only
It can be judged by collecting the data such as the electric current in course of reaction, voltage, and the electrochemical reaction process between battery pole piece is nothing
What method was directly observed.
In order to solve the above problems, it is necessary to provide a kind of direct to the progress of electrodes of lithium-ion batteries electrochemical reaction process
The device of observation, to solve the problems, such as that battery pole piece electrochemical reaction process can not record.
Utility model content
The purpose of this utility model is in the observation in solving lithium ion battery electrochemical reaction process and record problem, spy
A kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process is provided.
The utility model is achieved through the following technical solutions：
A kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process, including the housing being located on base, it is described
The junction of base and housing is sealed by sealing ring, and the top end face of the housing offers the sight sealed with glass
Examine window；The both sides of the housing are symmetrically threaded with positive conductive post, negative conductive post, the positive conductive post and negative pole
One end of conductive pole is stretched into the inside of housing, the other end and is connected respectively with the positive and negative electrode of power supply.
Further scheme, in addition to the supporting plate below base, housing top both sides are blocked respectively sets a clip,
The clip is fixedly connected by fixing bolt with supporting plate.
Preferably, in order that base offers on the supporting plate steadily without producing displacement at the center of the supporting plate
The neck being engaged with the base bottom.
Preferably, in addition to the SEM above the watch window, SEM can be by battery
Row is observed and is imaged during the electrochemical reaction process of pole piece.
Further scheme, the centre of the base open up fluted, and horizontal direction has discharged negative pole successively in the groove
Conductive spacer, negative pole briquetting, negative plate, barrier film, positive plate, positive pole briquetting and positive conductive pad；The negative conductive post is stretched
The inside for entering housing contacts with negative conductive pad；The positive conductive post stretches into the inside of housing and positive conductive pad connects
Touch.
One end of further scheme, the positive conductive post and negative conductive post is provided with external screw thread, the other end is flat.
Further scheme, the both sides of the housing symmetrically offer the spiral shell for connecting positive conductive post, negative conductive post
Line through hole.
Further scheme, the top end face of the base and the bottom face of housing offer the sealing that sealing ring is put for card
Groove.
Further scheme, the negative conductive pad and positive conductive pad are elastomeric pad, and the sealing ring is resistance to
Made of corrosion material, the material of the housing is polytetrafluoroethylene (PTFE)；The glass of the watch window of sealing is sapphire glass.
Corrosion resistant sealing ring is arranged between the utility model in the base and housing, when base compresses with housing, sealing
Circle is extruded, and full of the groove on base and housing, reaches sealing effectiveness；
Housing is made of polytetrafluoroethylene (PTFE), and its insulating properties is preferably and electrolyte resistance corrodes；One piece is inlayed at watch window
Sapphire glass, its translucency is preferably and electrolyte resistance corrodes；
Positive conductive post, negative conductive post by tapped through hole precession housing respectively with positive conductive pad, negative conductive
Pad contacts, so as to reach conductive effect；
Positive conductive post, the tail end of negative conductive post are flat, are easy to the folder clamping of external power supply positive and negative power supply.
The utility model opens up watch window on the top of housing, and inlays one piece of preferable sapphire glass of translucency,
Improve the observing effect of SEM；Battery pole piece is placed in housing by the utility model, is shown using scanning electron
Micro mirror is provided in detail by watch window Real Time Observation and the electrochemical reaction process for recording battery pole piece for test result
Image foundation.So the utility model solves the problems, such as that battery pole piece electrochemical reaction process is not easy to record, and the present apparatus
Assembling mode is also more convenient, safety, have that simple in construction, manufacturing cost is relatively low, the advantages that safe operation.
The utility model coordinates SEM to observe and records the change of the interface in inferior pole piece electrochemical reaction process
Change, strong data and image foundation are provided for lithium ion battery type Selection Test.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 exploded perspective view.
In figure：1- bases, 2- sealing rings, 3- grooves, 4- negative conductive pads, 5- negative pole briquettings, 6- negative plates, 7- every
Film, 8- positive plates, 9- positive pole briquettings, 10- positive conductive pads, 11- negative conductive posts, 12- positive conductive posts, 13- screw threads lead to
Hole, 14- housings, 15- watch windows, 16- fixing bolts, 17- supporting plates, 18- clips, 19- necks.
Embodiment
Below in conjunction with the accompanying drawings the utility model is further illustrated with specific embodiment.
As shown in Figure 1, 2, a kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process, including it is located at base 1
On housing 14, the junction of the base 1 and housing 14 sealed by sealing ring 2, and the top end face of the housing 14 is opened
Provided with the watch window 15 sealed with glass；The both sides of the housing 14 are symmetrically threaded with positive conductive post 12, born
The inside of housing 14 is stretched into one end of pole conductive pole 11, the positive conductive post 12 and negative conductive post 11, the other end is distinguished
It is connected with the positive and negative electrode of power supply.
Further scheme, in addition to the supporting plate 17 located at the lower section of base 1, the top both sides of housing 14 are blocked respectively sets one
Clip 18, the clip 18 are fixedly connected by fixing bolt 16 with supporting plate 17.
In order that base steadily offer on the supporting plate without producing displacement, at the center of the supporting plate 17 with it is described
The neck 19 that the bottom of base 1 is engaged.
Also include the SEM located at the top of watch window 5（It is not drawn into figure）, SEM energy
The row during electrochemical reaction process of battery pole piece is observed and is imaged.
Further scheme, the centre of the base 1 open up fluted 3, and horizontal direction has been discharged negative successively in the groove 3
Pole conductive spacer 4, negative pole briquetting 5, negative plate 6, barrier film 7, positive plate 8, positive pole briquetting 9 and positive conductive pad 10；It is described negative
The inside that pole conductive pole 11 stretches into housing 14 contacts with negative conductive pad 4；The positive conductive post 12 stretches into the interior of housing 14
Portion contacts with positive conductive pad 10.
One end of further scheme, the positive conductive post 12 and negative conductive post 11 is provided with external screw thread, the other end is flat
Flat-shaped, the tail end of its flat is easy to the folder clamping of external power supply positive and negative power supply.
Further scheme, the both sides of the housing 14 are symmetrically offered for connecting positive conductive post 12, negative conductive post
11 tapped through hole 13.
Further scheme, the top end face of the base 1 and the bottom face of housing 14 offer and put sealing ring 2 for card
Groove.
Further scheme, the negative conductive pad 4 and positive conductive pad 10 are elastomeric pad, the sealing ring 2
For made of resistant material, the material of the housing 14 is polytetrafluoroethylene (PTFE), and its insulating properties is preferably and electrolyte resistance corrodes；It is close
The glass of the watch window 15 of envelope is sapphire glass, and its translucency is preferably and electrolyte resistance corrodes.
Corrosion resistant sealing ring is arranged between the utility model in the base and housing, when base compresses with housing, sealing
Circle is extruded, and full of the groove on base and housing, reaches sealing effectiveness；Positive conductive post, negative conductive post pass through tapped through hole
Precession housing contacts with positive conductive pad, negative conductive pad respectively, so as to reach conductive effect；When positive and negative electrode is conductive
When the connection of the both positive and negative polarity of post and power supply is powered, it is placed on the energization of the positive and negative plate among housing and is chemically reacted.
Present apparatus operating process is as follows：
A, by negative conductive pad 4 of the same size, negative pole briquetting 5, negative plate 6, barrier film 7, positive plate 8, positive pole briquetting 9
Stacked successively with positive conductive pad 10 and be combined into test sample, be then placed in groove 3；
B, by between electrolyte instillation positive and negative plate, unnecessary electrolyte oozes out from its bottom, stays in groove 3；
C, after making the direction of the tapped through hole 13 on housing 14 consistent with the arragement direction of test sample, by the cutting ferrule of housing 14
On the test specimen, so that test sample is located at the center of housing 14；And make the top of the ground bottom face of housing 14 and base 1
Face carries out crush seal by sealing ring 2；
D, negative conductive pad 4 and positive conductive pad 10 are screwed in the tapped through hole 13 on housing 14 respectively, and made
The inside that negative conductive post 11 stretches into housing 14 contacts with negative conductive pad 4, positive conductive post 12 stretches into the inside of housing 14
Contacted with positive conductive pad 10；And positive and negative electrode conductive pole is moderately extruded, ensure that positive, negative electrode plate does not scatter；
E, the card of clip 18 is placed on the housing 14 of the both sides of watch window 15, then using fixing bolt 16 by clip
18 are fixed in supporting plate 17；
SEM is placed on to the top of watch window 15 f,；
The positive and negative electrode clip of power supply is clamped in the tail end of positive conductive post 12, negative conductive post 11 respectively g,；Open electricity
Battery pole piece starts electrochemical reaction behind source, and SEM then records overall process.
Lithium ion battery is observed and records from the foregoing, be may be implemented in using device of the present utility model under the larger visual field
The course of reaction of pole piece electrochemistry, and overall process is recorded, detailed image foundation is provided for test result.In addition, the present apparatus
Simple in construction, assembling mode is also more convenient, safety, has the advantages that simple in construction, manufacturing cost is relatively low, safe operation.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the guarantor that claims of the present utility model determine all should be fallen into
In the range of shield.
Claims (9)
- A kind of 1. observation device of electrodes of lithium-ion batteries electrochemical reaction process, it is characterised in that：Including being located at base（1）On Housing（14）, the base（1）And housing（14）Junction pass through sealing ring（2）Sealed, the housing（14）'s Top end face offers the watch window sealed with glass（15）；The housing（14）Both sides be symmetrically threaded with positive pole Conductive pole（12）, negative conductive post（11）, the positive conductive post（12）With negative conductive post（11）One end stretch into housing （14）Inside, the other end is connected with the positive and negative electrode of power supply respectively.
- 2. observation device according to claim 1, it is characterised in that：Also include being located at base（1）The supporting plate of lower section （17）, the housing（14）Top both sides are blocked respectively sets a clip（18）, the clip（18）Pass through fixing bolt（16）With branch Fagging（17）It is fixedly connected.
- 3. observation device according to claim 2, it is characterised in that：The supporting plate（17）Center at offer and institute State base（1）The neck that bottom is engaged（19）.
- 4. observation device according to claim 1, it is characterised in that：Also include being located at watch window（15）The scanning of top Electron microscope.
- 5. observation device according to claim 1, it is characterised in that：The base（1）Centre open up it is fluted（3）, The groove（3）Middle horizontal direction has discharged negative conductive pad successively（4）, negative pole briquetting（5）, negative plate（6）, barrier film（7）、 Positive plate（8）, positive pole briquetting（9）With positive conductive pad（10）；The negative conductive post（11）Stretch into housing（14）Inside With negative conductive pad（4）Contact；The positive conductive post（12）Stretch into housing（14）Inside and positive conductive pad（10） Contact.
- 6. observation device according to claim 1, it is characterised in that：The positive conductive post（12）With negative conductive post （11）To be provided with external screw thread, the other end be flat for one end.
- 7. observation device according to claim 1, it is characterised in that：The housing（14）Both sides symmetrically offer and be used for Connect positive conductive post（12）, negative conductive post（11）Tapped through hole（13）.
- 8. observation device according to claim 1, it is characterised in that：The base（1）Top end face and housing（14）'s Bottom face offers and puts sealing ring for card（2）Seal groove.
- 9. observation device according to claim 1, it is characterised in that：The negative conductive pad（4）With positive conductive pad Piece（10）It is elastomeric pad, the sealing ring（2）For made of resistant material, the housing（14）Material be polytetrafluoro Ethene；The watch window of sealing（15）Glass be sapphire glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662468.6U CN206849980U (en) | 2017-06-08 | 2017-06-08 | A kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662468.6U CN206849980U (en) | 2017-06-08 | 2017-06-08 | A kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process |
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| Publication Number | Publication Date |
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| CN206849980U true CN206849980U (en) | 2018-01-05 |
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| CN201720662468.6U Active CN206849980U (en) | 2017-06-08 | 2017-06-08 | A kind of observation device of electrodes of lithium-ion batteries electrochemical reaction process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693474A (en) * | 2018-03-02 | 2018-10-23 | 合肥国轩高科动力能源有限公司 | A kind of lithium battery device for detecting performance |
-
2017
- 2017-06-08 CN CN201720662468.6U patent/CN206849980U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693474A (en) * | 2018-03-02 | 2018-10-23 | 合肥国轩高科动力能源有限公司 | A kind of lithium battery device for detecting performance |
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