CN206541899U - For measuring test device of the electrolyte to barrier film wetting velocity - Google Patents
For measuring test device of the electrolyte to barrier film wetting velocity Download PDFInfo
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- CN206541899U CN206541899U CN201720017499.6U CN201720017499U CN206541899U CN 206541899 U CN206541899 U CN 206541899U CN 201720017499 U CN201720017499 U CN 201720017499U CN 206541899 U CN206541899 U CN 206541899U
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- horizon bar
- barrier film
- electrolyte
- elevating mechanism
- vertical
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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
It is used to measure test device of the electrolyte to barrier film wetting velocity the utility model discloses a kind of, including base and electrolytic bath, the base is provided with vertical beam and elevating mechanism, the vertical beam is provided with vertical track, forked fixed structure being driven by the elevating mechanism, being slided up and down along track is combined with the track, the forked fixed structure includes upper horizon bar, lower horizon bar and the vertical rod being connected between horizon bar and lower horizon bar, is respectively connected through a screw thread positioned at the end of the upper horizon bar and lower horizon bar and is fixed with compact heap;The graduated scale of vertical direction is fixed with the vertical rod, the electrolytic bath is transparent utensil, and the electrolytic bath is located at the lower section of the forked fixed structure;The elevating mechanism is connected with drive device.The utility model is simple in construction, easy to operate, and measurement result is accurately reliable, with cost is low, practical, efficiency high the features such as.
Description
Technical field
The utility model is related to barrier film test analysis field, is filled more particularly to the experiment that a kind of barrier film wellability is tested
Put.
Background technology
Lithium ion battery has high-energy-density density, not self discharge and the advantages of do not have memory effect, is widely used in each
Individual field.Barrier film is one of layer assembly in key in lithium ion battery structure, and it is to separate negative electrode to prevent short with anode that it, which is acted on,
Road, isolation electronics, allow electrolyte ion to pass through again.Electrolyte is the blood of battery, played between battery plus-negative plate transmission from
The effect of son.If the wellability of electrolyte and barrier film is poor, it is impossible to which complete wetting barrier film causes lithium ion wearing in positive and negative interpolar
Shuttle is difficult, and the interface resistance of battery is big, influences the discharge-rate and capacity and operating voltage of battery.On the contrary, barrier film wellability
Ionic conductivity can be increased well, the charge-discharge performance and capacity of battery is improved.In addition, wellability influences the assembling of lithium ion battery
Speed, and then influence enterprises production efficiency.
The wellability for how fast and accurately measuring electrolyte and barrier film is the emphasis of enterprises pay attention.At present, common survey
Amount method is divided into two kinds:Ocular estimate and the measurement using contact angle.Patent announcement number is in CN205538559U patent document
Disclose a kind of measurement apparatus of battery electrolyte to barrier film wellability, by control electrolyte sample size and the feed liquor time come
Improve test result accuracy, this measurement apparatus simultaneously be adapted to ocular estimate and for contact angle instrument carry out Contact-angle measurement every
Film wellability is tested.Patent announcement number is a kind of using contact angle instrument measurement electricity to be disclosed in CN202421021U patent document
Measurement apparatus of the liquid to barrier film wellability is solved, the measurement apparatus is arranged in high/low temperature experimental box, electric under measurable different temperatures
Solve wellability of the liquid to barrier film.
Using above two measurement apparatus, wherein realizing that ocular estimate can only qualitatively be tested and can not carry out quantitative survey
Amount;And realizing that the measurement of contact angle method is needed by contact angle measurement, barrier film manufacturing enterprise may be larger because of cost of equipment
And associated test devices can not be equipped with, while the evaluation of wellability only can not judge according to contact angle, it should also combine infiltration
Speed.
Utility model content
For defect present in above-mentioned prior art, a kind of easy to operate, cost of the utility model offer is relatively low, test
As a result it can quantify and accurately be used to measure test device of the electrolyte to barrier film wetting velocity.
In order to solve the above-mentioned technical problem, the utility model proposes one kind be used for measure electrolyte to barrier film wetting velocity
Test device, including base and electrolytic bath, the base is provided with vertical beam and elevating mechanism, and the vertical beam is provided with vertical
Track, be combined with forked fixed structure being driven by the elevating mechanism, being slided up and down along track, institute on the track
Stating forked fixed structure includes upper horizon bar, lower horizon bar and the vertical rod being connected between horizon bar and lower horizon bar, position
Respectively it is connected through a screw thread in the end of the upper horizon bar and lower horizon bar and is fixed with compact heap;It is fixed on the vertical rod
There is the graduated scale of vertical direction, the electrolytic bath is transparent utensil, and the electrolytic bath is located at the forked fixed structure
Lower section;The elevating mechanism is connected with drive device.
In the utility model, the drive device is motor, provided with change between the output end and elevating mechanism of the motor
Speed and direction-variable transmitting mechanism;The drive device is provided with control panel, and the control panel is provided with control button, the control
Button includes start button, conclusion button, speed governing button, change-over key.
Compared with prior art, the beneficial effects of the utility model are:
(1) test device is simple in construction, easy to operate, and experimental result is accurately quick, with practical, efficiency high,
The low feature of cost.
(2) test device can carry out the qualitative comparison of different barrier film wellabilities by ocular estimate, also can be to different barrier films
The quantization test of wellability is carried out, it is practical.
(3) test device realizes the measurement of the wetting velocity in the measurement of barrier film wellability, is to barrier film wetting property
The supplement of measurement and perfect.
Brief description of the drawings
Fig. 1 is the facade structures schematic diagram of the utility model test device;
In figure:1- barrier film battens, 2- graduated scales, 31,32- fixing screws, 4- electrolytic baths, 5- electrolyte, 6- bases, 7-
Horizon bar under drive device, 8- control buttons, the forked fixed structures of 9-, the upper horizon bars of 91-, 92-, 93- vertical rods, 10- vertical beams,
11- elevating mechanisms.
Embodiment
Technical solutions of the utility model are described in further detail with specific embodiment below in conjunction with the accompanying drawings, it is described
Only the utility model is explained for specific embodiment, not to limit the utility model.
As shown in figure 1, the utility model proposes it is a kind of be used for measure test device of the electrolyte to barrier film wetting velocity,
Including base 6 and electrolytic bath 4, the base 6 is provided with vertical beam 10 and elevating mechanism 11, and the vertical beam 10 is provided with vertical
Forked fixed structure 9 being driven by the elevating mechanism 11, being slided up and down along track is combined with track, the track,
The forked fixed structure 9 includes upper horizon bar 91, lower horizon bar 92 and is connected between horizon bar 91 and lower horizon bar 92
Vertical rod 93, be respectively connected through a screw thread positioned at the end of the upper horizon bar 91 and lower horizon bar 92 and be fixed with compression
Block;The graduated scale 2 of vertical direction is fixed with the vertical rod 93, the electrolytic bath 4 is transparent utensil, the electrolytic bath
4 are located at the lower section of the forked fixed structure 9;The elevating mechanism 11 is connected with drive device 7;The drive device 7 is electricity
Machine, is provided with speed change and direction-variable transmitting mechanism between the output end and elevating mechanism 11 of the motor;The drive device 7 is provided with control
Panel processed, the control panel is provided with control button 8, and the control button 8 is pressed including start button, conclusion button, speed governing
Button, change-over key.
Measure electrolyte using the utility model test device is to the process of barrier film wetting velocity, will be tested every
The both sides up and down of film batten 1 are affixed on the end of horizon bar 91 and lower horizon bar 92, and with the compact heap precompressed of upper end, allow barrier film
Batten 1 is naturally drooped, and adjusts the position of barrier film batten 1 and graduated scale 2 is aligned substantially, is then tightened with trip bolt 31 and 32
Compact heap, during screwing trip bolt 31 and 32, the tightness that further regulation barrier film batten 1 is fixed, so that will be every
Film batten 1 is fixed between horizon bar 91 and lower horizon bar 92.Electrolyte 5 is loaded with electrolytic bath 4, by electrolytic bath 5
It is positioned over the upper horizon bar 91 at the place of barrier film batten 1 and the lower section of lower horizon bar 92;Ensure that barrier film batten 1 does not incline vertically during operation
Tiltedly.
Press start button, drive device 7 driven by lowering or hoisting gear on forked fixed structure 9 barrier film batten 1 (together with
Graduated scale 2) along being moved up and down in guide rail, the speed risen or fallen of barrier film batten 1 is adjusted using speed governing button, is made
Obtain barrier film batten 1 to be immersed in the electrolyte 5 of electrolytic bath 4 with appropriate speed, until arriving depth set in advance.
By reading the numerical value of graduated scale 2, electrolyte 5 corresponding in certain time can be obtained on barrier film batten 1
The height climbed, wetting velocity is by reading the numerical value of the graduated scale 2 corresponding to the height that electrolyte climbs on MEMBRANEA sample 1
Obtained with the time.For example, when quickly can read 5s, 10s, 15s, on the graduated scale 2 corresponding to the height that electrolyte 5 climbs
Reading.In same time, the reading of graduated scale 2 is bigger, and the height that correspondence electrolyte 5 climbs on barrier film batten 1 is higher, electrolysis
Liquid 5 is faster to the wetting velocity of barrier film batten 1.
To sum up, the utility model is simple in construction, easy to operate, and measurement result is accurately reliable, with cost is low, practicality
By force, the features such as efficiency high.
Although the utility model is described above in conjunction with accompanying drawing, the utility model is not limited to above-mentioned
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, the ordinary skill of this area
Personnel are under enlightenment of the present utility model, in the case where not departing from the utility model objective, can also make many variations, this
Belong within protection of the present utility model.
Claims (3)
1. a kind of be used to measure test device of the electrolyte to barrier film wetting velocity, including base (6) and electrolytic bath (4), its
It is characterised by,
The base (6) is provided with vertical beam (10) and elevating mechanism (11), and the vertical beam (10) is provided with vertical track, described
Forked fixed structure (9) being driven by the elevating mechanism (11), being slided up and down along track, the fork are combined with track
Shape fixed structure (9) includes upper horizon bar (91), lower horizon bar (92) and is connected to horizon bar (91) and lower horizon bar (92)
Between vertical rod (93), be respectively connected through a screw thread positioned at the end of the upper horizon bar (91) and lower horizon bar (92) solid
Surely there is compact heap;
The graduated scale (2) of vertical direction is fixed with the vertical rod (93), the electrolytic bath (4) is transparent utensil, described
Electrolytic bath (4) is located at the lower section of the forked fixed structure (9);
The elevating mechanism (11) is connected with drive device (7).
2. it is used to measure test device of the electrolyte to barrier film wetting velocity according to claim 1, it is characterised in that described
Drive device is motor, and speed change and direction-variable transmitting mechanism are provided between the output end and elevating mechanism (11) of the motor.
3. according to claim 1 or claim 2 be used to measure test device of the electrolyte to barrier film wetting velocity, it is characterised in that
The drive device is provided with control panel, and the control panel is provided with control button (8), and the control button (8) includes opening
Dynamic button, conclusion button, speed governing button, change-over key.
Priority Applications (1)
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CN201720017499.6U CN206541899U (en) | 2017-01-06 | 2017-01-06 | For measuring test device of the electrolyte to barrier film wetting velocity |
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CN201720017499.6U CN206541899U (en) | 2017-01-06 | 2017-01-06 | For measuring test device of the electrolyte to barrier film wetting velocity |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109142451A (en) * | 2018-09-06 | 2019-01-04 | 惠州亿纬锂能股份有限公司 | A kind of wetting velocity appraisal procedure of battery electrolyte |
CN109709000A (en) * | 2018-12-28 | 2019-05-03 | 河北金力新能源科技股份有限公司 | Diaphragm infiltrates system safety testing device and method |
-
2017
- 2017-01-06 CN CN201720017499.6U patent/CN206541899U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109142451A (en) * | 2018-09-06 | 2019-01-04 | 惠州亿纬锂能股份有限公司 | A kind of wetting velocity appraisal procedure of battery electrolyte |
CN109142451B (en) * | 2018-09-06 | 2021-09-24 | 惠州亿纬锂能股份有限公司 | Infiltration speed evaluation method of battery electrolyte |
CN109709000A (en) * | 2018-12-28 | 2019-05-03 | 河北金力新能源科技股份有限公司 | Diaphragm infiltrates system safety testing device and method |
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