CN206893729U - Electrode material of lithium battery electric performance test particular manufacturing craft battery - Google Patents
Electrode material of lithium battery electric performance test particular manufacturing craft battery Download PDFInfo
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- CN206893729U CN206893729U CN201720827505.4U CN201720827505U CN206893729U CN 206893729 U CN206893729 U CN 206893729U CN 201720827505 U CN201720827505 U CN 201720827505U CN 206893729 U CN206893729 U CN 206893729U
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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
Abstract
The utility model discloses a kind of electrode material of lithium battery electric performance test particular manufacturing craft battery, including the first conductive plate being sequentially connected, first insulation board, barrier film, second conductive plate and the second insulation board, positive plate is folded between first insulation board and barrier film, negative plate is folded between second conductive plate and barrier film, and it is respectively provided with electrolyte between the positive plate and the barrier film and between the negative plate and the barrier film, in the case where testing "on" position, the positive plate is connecting the positive pole of power supply, the threaded connector is connecting the negative pole of power supply, so that the threaded connector, first conductive plate, second conductive plate and negative plate conduct.Mould battery of the present utility model can be used for multiple times, and can improve the uniformity of discharge and recharge experimental test data, reduce result of the test error, and the gram volume measured by it plays, first effect and voltage data are stable, and numerical value is reasonable, can reach defined requirement.
Description
Technical field
Electrode material performance of lithium ion battery technical field of measurement and test is the utility model is related to, more particularly to a kind of lithium battery
Pole material electric performance test particular manufacturing craft battery.
Background technology
In lithium ion battery the chemical property of positive and negative pole material be influence battery performance key index, thus need pair
The discharge and recharge electrical property of both positive and negative polarity raw material is detected, such as the charge and discharge to positive electrode (LiFePO4 or graphite composite powder)
Electric electrical property is detected.In traditional charge and discharge electric test, generally require button cell of the making comprising positive pole and negative pole and align
The electrical property of negative material is detected.As shown in figure 1, the button cell mainly includes positive pole 1 ', negative pole 2 ', positive pole housing
3 ', negative pole housing 4 ', barrier film 5 ' and aluminium foil 6 ', wherein, pass through seal ring seal between positive pole housing 3 ' and negative pole housing 4 '
Connection, sealing ring is nylon seal members, plays insulating effect and prevents electrolyte from leaking, barrier film 5 ' is located at positive pole 1 ' and negative pole 2 '
Between, and aluminium foil 6 ' is used to carry positive pole 1 ', has electrolysis between positive pole 1 ' and barrier film 5 ' and between negative pole 2 ' and barrier film 5 '
Liquid K.
For now, head is had become in the form of button cell to detect the electrical property of positive and negative pole material in industry
Choosing, but detected in the form of button cell and following drawback still at least be present：Due to the small grade in button cell space some itself
Features of shape so that different degrees of error occurs in operating personnel in assembling process, so as to cause the battery being made
Quality it is uneven, and then cause test result uniformity more undesirable；Because button cell itself internal resistance is larger, so as to
Cause gram volume performance, voltage and the first effect of test relatively low；In addition, button cell is used only once, surveyed so as to add
Try cost.
Utility model content
In order to solve the above technical problems, the utility model purpose is to provide a kind of electrode material of lithium battery electric performance test
Particular manufacturing craft battery, with overcome the deficiencies in the prior art.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
The utility model embodiment provides a kind of electrode material of lithium battery electric performance test particular manufacturing craft battery, including logical
Cross the first conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board that threaded connector is sequentially connected, institute
State and positive plate is folded between the first insulation board and the barrier film, negative pole is folded between second conductive plate and the barrier film
Piece, and electrolyte is arbitrarily distributed between the two in the positive plate, barrier film and negative plate, in test "on" position
Under, the positive plate is to connect the positive pole of power supply, and the threaded connector is to connect the negative pole of power supply, so that described
Threaded connector, the first conductive plate, the second conductive plate and negative plate conduct.
In some preferred embodiments, first conductive plate, the first insulation board, barrier film, the second conductive plate and
Two insulation boards are connected through a screw thread part and are sequentially connected, and the threaded connector includes bolt, described in the screw bolt passes
One conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board, and with positioned at the second insulation board side
Nut connection.
Further, the pad coordinated with the bolt is provided between the head of the bolt and first conductive plate
Circle, the elastomeric pad coordinated with the bolt is provided between second insulation board and the nut.
Further, divide in first conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board
Two or more screwed hole is not evenly distributed with, and the threaded connector includes the spiral shell that two or more is correspondingly arranged with those screwed holes
Bolt.
In some preferred embodiments, aluminium foil, and the aluminium are provided between first insulation board and the barrier film
Paper tinsel is not contacted with the threaded connector, and the positive plate is positioned on the aluminium foil, and is bonded with the barrier film, the positive pole
Piece is connected via the aluminium foil with the positive pole of the power supply.
Further, the aluminium foil exposes from convex between first insulation board and the barrier film, and the aluminium foil is from institute
State the positive pole that the convex part exposed between the first insulation board and the barrier film is used to connect the power supply.
In some preferred embodiments, spring is provided between second insulation board and second conductive plate, institute
Spring is stated at least to be used to increase the contact force between the positive plate and the negative plate.
In some preferred embodiments, first conductive plate is the first PVC insulation boards.
In some preferred embodiments, second conductive plate is the 2nd PVC insulation boards.
In some preferred embodiments, first conductive plate is the first stainless steel plate.
In some preferred embodiments, second conductive plate is the second stainless steel plate.
In some preferred embodiments, the negative plate is lithium piece.
In some preferred embodiments, the positive plate is ferric phosphate lithium piece or graphite flake.
Compared with prior art, the advantages of the utility model at least that：
1) the utility model is simple and reasonable, is connected through a screw thread part and the assembling of whole battery can be achieved, and entering
During the electric performance test of row positive and negative pole material, directly the negative pole of threaded connector and power supply is connected, you can realize indirectly negative
The negative pole of pole piece and power supply is connected, and at the same time, the positive pole of positive plate and power supply is connected, can be to be tested, thus is grasped
Make simply, conveniently.
2) the utility model can be used for multiple times, and improve the uniformity of discharge and recharge experimental test data, reduce experiment
Resultant error, and the gram volume that the utility model measures plays, first effect and voltage data are stable, numerical value is reasonable, can reach rule
Fixed requirement.
3) dismounting can be achieved by unscrewing screw connector in the utility model, thus dismounting is more convenient, in addition, also just
In cleaning.
4) because the utility model can be utilized repeatedly, thus saved manufacturing cost, and make needed for manpower and
Time.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in description or in the prior art.
Fig. 1 is the structural representation of button cell of the prior art；
Fig. 2 is the electrode material of lithium battery electric performance test particular manufacturing craft electricity disclosed in the exemplary embodiments of the utility model one
The exploded perspective view in pond.
Description of reference numerals：1- bolts, 2- packing rings, the stainless steel plates of 3- first, the PVC insulation boards of 4- the first, 5- aluminium foils, 6- are just
Pole piece, 7- barrier films, 8- lithium pieces, the stainless steel plates of 9- second, 10- stainless steel springs, the PVC insulation boards of 11- the 2nd, 12- elastomeric pads,
13- nuts, 1 '-positive pole, 2 '-negative pole, 3 '-positive pole housing, 4 '-negative pole housing, 5 '-barrier film, 6 '-aluminium foil.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.
The utility model embodiment provides a kind of electrode material of lithium battery electric performance test particular manufacturing craft battery, including logical
Cross the first conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board that threaded connector is sequentially connected, institute
State and positive plate is folded between the first insulation board and the barrier film, negative pole is folded between second conductive plate and the barrier film
Piece, and electrolyte is arbitrarily distributed between the two in the positive plate, barrier film and negative plate, in test "on" position
Under, the positive plate is to connect the positive pole of power supply, and the threaded connector is to connect the negative pole of power supply, so that described
Threaded connector, the first conductive plate, the second conductive plate and negative plate conduct.
In some preferred embodiments, first conductive plate, the first insulation board, barrier film, the second conductive plate and
Two insulation boards are connected through a screw thread part and are sequentially connected, and the threaded connector includes bolt, described in the screw bolt passes
One conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board, and with positioned at the second insulation board side
Nut connection.
Further, the pad coordinated with the bolt is provided between the head of the bolt and first conductive plate
Circle, the flexible pad coordinated with the bolt is set between second insulation board and the nut.
Further, divide on first conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board
Two or more screwed hole is not evenly distributed with, and the threaded connector includes the spiral shell that two or more is correspondingly arranged with those screwed holes
Bolt.
In some preferred embodiments, aluminium foil, and the aluminium are provided between first insulation board and the barrier film
Paper tinsel is not contacted with the threaded connector, and the positive plate is positioned on the aluminium foil, and is bonded with the barrier film, the positive pole
Piece is connected via the aluminium foil with the positive pole of the power supply.
Further, the aluminium foil exposes from convex between first insulation board and the barrier film, and the aluminium foil is from institute
State the positive pole that the convex part exposed between the first insulation board and the barrier film is used to connect the power supply.
In some preferred embodiments, spring is provided between second insulation board and second conductive plate, institute
Spring is stated at least to be used to increase the contact force between the positive plate and the negative plate.
In some preferred embodiments, first conductive plate is the first PVC insulation boards.
In some preferred embodiments, second conductive plate is the 2nd PVC insulation boards.
In some preferred embodiments, first conductive plate is the first stainless steel plate.
In some preferred embodiments, second conductive plate is the second stainless steel plate.
In some preferred embodiments, the negative plate is lithium piece.
In some preferred embodiments, the positive plate is ferric phosphate lithium piece or graphite flake.
By above technical scheme, the utility model be connected through a screw thread part i.e. can be achieved whole battery assembling, and
When carrying out the electric performance test of positive and negative pole material, directly the negative pole of threaded connector and power supply is connected, you can realize indirectly
The negative pole of negative plate and power supply connect, at the same time, by the positive pole of positive plate and power supply connect, can be tested, thus
It is simple, convenient；The utility model can be used for multiple times, and improve the uniformity of discharge and recharge experimental test data, reduce
Result of the test error, and the gram volume that the utility model measures plays, first effect and voltage data are stable, numerical value is reasonable, Neng Gouda
To defined requirement；Dismounting can be achieved by unscrewing screw connector in the utility model, thus dismounting is more convenient, in addition,
It is also convenient for cleaning；Because the utility model can be utilized repeatedly, thus saved manufacturing cost, and make needed for manpower and
Time.
The technical solution of the utility model is further explained below in conjunction with drawings and examples.
Referring to shown in 2, present embodiment discloses a kind of electrode material of lithium battery electric performance test particular manufacturing craft battery, including
The first stainless steel plate 3, the first PVC insulation boards 4, barrier film 7, the second stainless steel plate 9 and the 2nd PVC insulation boards being sequentially connected
11, in the first stainless steel plate 3, the first PVC insulation boards 4, barrier film 7, the second stainless steel plate 9 and the 2nd PVC insulation boards 11 respectively
It is evenly distributed with six screwed holes, and the first stainless steel plate 3, the first PVC insulation boards 4, barrier film 7, the second stainless steel plate 9 and
Two PVC insulation boards 11 by six bolts for being correspondingly arranged in screwed hole 1, positioned at the head of bolt 1 and the first stainless steel plate 3 it
Between packing ring 2 and the elastomeric pad 12 between the PVC insulation boards 11 of nut 3 and the 2nd achieve a fixed connection, the first PVC is exhausted
Aluminium foil 5 and positive plate 6 are folded between listrium 4 and barrier film 7, and positive plate 6 is bonded with barrier film 7, the second stainless steel plate 9 and barrier film
Lithium piece 8 (negative pole) is folded between 7, in addition, being provided with stainless steel between the 2nd PVC insulation boards 11 and the second stainless steel plate 9
Spring 10, described stainless steel spring 10 can increase between the components such as lithium piece 8 (negative pole), positive plate 6, barrier film 7, electrolyte
Contact force, to facilitate postorder to tighten nut 13；
Wherein, aluminium foil 5 is used to carry positive plate 6, and aluminium foil 5 convex between the first PVC insulation boards 4 and barrier film 7 can expose,
And the convex part exposed is to be convenient to connect the positive pole of power supply, and bolt 1 is to connect the negative pole of power supply, so that bolt
1st, the first stainless steel plate 3, the second stainless steel plate 9 and lithium piece 8 (negative pole) conduct.
The utility model sets the first stainless steel plate 3 and the second stainless steel plate 9, on the one hand to assemble the particular manufacturing craft battery
Space is provided, on the other hand also plays electric action；Set the first PVC insulation boards 4, the 2nd PVC insulation boards 11 and every
Film 7, to prevent that short circuit occurs between positive plate 6 and lithium piece 8, aluminium foil 5 can increase the particular manufacturing craft to place positive plate 6
The electric conductivity of battery, reduce internal resistance, it should be noted that, aluminium foil 5 must not touch bolt 1 in an assembling process, if aluminium foil 5 was cut
Greatly, can suitably fold.
The design requirement of the particular manufacturing craft battery is：First stainless steel plate 3, the second stainless steel plate 9, aluminium foil 5, the first PVC
The necessary flat smooth in the surface of the PVC insulation boards 11 of insulation board 4 and the 2nd, the surface of lithium piece 8 must be smooth, there is metallic luster,
It is and not oxidized.
The particular manufacturing craft battery when being assembled, successively by the first PVC insulation boards 4, aluminium foil 5, positive plate 6, barrier film 7,
Lithium piece 8, the second stainless steel plate 9, the PVC insulation boards 11 of stainless steel spring 10 and the 2nd are sequentially placed in first according to sequencing
On stainless steel plate 3, then realize that former components connect by bolt 1, packing ring 2, elastic washer 2 and nut 13.
The particular manufacturing craft battery causes the negative pole of the head connection power supply of bolt so that aluminium foil 5 connects respectively in test
The positive pole of power supply, thus it is simple, convenient.After off-test, can conveniently it remove, and can be cleaned.
Using electrode material of lithium battery electric performance test particular manufacturing craft battery provided by the utility model and traditional button
Battery does charge and discharge electric test respectively, under the same test conditions, makees positive plate with LiFePO4 and graphite respectively, obtains following
Comparative test result：
Experimental condition：0.1C charges, 0.1C electric discharges, gram volume unit：MAh/g, voltage unit：V,
A groups (iron phosphate lithium positive pole piece)：
B groups (graphite positive plate)：
It can be seen that from the data in above table：No matter button cell tests LiFePO4 or tests the electrical of graphite
Can, its gram volume plays, first effect and voltage data are unstable, and numerical value is relatively low, more undesirable；And use this practicality
Gram volume measured by the electrode material of lithium battery electric performance test particular manufacturing craft battery of new offer plays, head is imitated and voltage number
According to more stable, numerical value is reasonable, can reach defined requirement.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
- A kind of 1. electrode material of lithium battery electric performance test particular manufacturing craft battery, it is characterised in that：Including being connected through a screw thread part The first conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board being sequentially connected, first insulation board Positive plate is folded between the barrier film, is folded with negative plate between second conductive plate and the barrier film, and it is described just Electrolyte is arbitrarily distributed between the two in pole piece, barrier film and negative plate, in the case where testing "on" position, the positive plate To connect the positive pole of power supply, the threaded connector is to connect the negative pole of power supply, so that the threaded connector, One conductive plate, the second conductive plate and negative plate conduct.
- 2. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 1, it is characterised in that：It is described First conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board are connected through a screw thread part and are sequentially connected, institute Stating threaded connector includes bolt, the first conductive plate, the first insulation board, barrier film, the second conduction described in the screw bolt passes Plate and the second insulation board, and be connected with the nut positioned at the second insulation board side.
- 3. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 2, it is characterised in that：It is described Be provided between the head of bolt and first conductive plate with the bolt coordinate packing ring, second insulation board with it is described The elastomeric pad coordinated with the bolt is provided between nut.
- 4. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 2, it is characterised in that：It is described Two or more spiral shell has been respectively uniformly distributed in first conductive plate, the first insulation board, barrier film, the second conductive plate and the second insulation board Pit, the threaded connector include the bolt that two or more is correspondingly arranged with those screwed holes.
- 5. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 1, it is characterised in that：It is described Aluminium foil is provided between first insulation board and the barrier film, and the aluminium foil does not contact with the threaded connector, the positive pole Piece is positioned on the aluminium foil, and is bonded with the barrier film, and the positive plate connects via the positive pole of the aluminium foil and the power supply Connect.
- 6. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 5, it is characterised in that：It is described Aluminium foil exposes from convex between first insulation board and the barrier film, and the aluminium foil is from first insulation board and the barrier film Between the convex part exposed be used to connect the positive pole of the power supply.
- 7. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 1, it is characterised in that：It is described Be provided with spring between second insulation board and second conductive plate, the spring be at least used to increasing the positive plate with it is described Contact force between negative plate.
- 8. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 1, it is characterised in that：It is described First conductive plate is the first PVC insulation boards, and/or, second conductive plate is the 2nd PVC insulation boards.
- 9. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 1, it is characterised in that：It is described First conductive plate is the first stainless steel plate, and/or, second conductive plate is the second stainless steel plate.
- 10. electrode material of lithium battery electric performance test particular manufacturing craft battery according to claim 1, it is characterised in that：Institute It is lithium piece to state negative plate, and/or, the positive plate is ferric phosphate lithium piece or graphite flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720827505.4U CN206893729U (en) | 2017-07-10 | 2017-07-10 | Electrode material of lithium battery electric performance test particular manufacturing craft battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720827505.4U CN206893729U (en) | 2017-07-10 | 2017-07-10 | Electrode material of lithium battery electric performance test particular manufacturing craft battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143086A (en) * | 2018-07-24 | 2019-01-04 | 格林美股份有限公司 | A kind of lithium battery performance testing device |
| CN109444755A (en) * | 2018-11-19 | 2019-03-08 | 江西江钨浩运科技有限公司 | Hydrogen bearing alloy electrical property open cell test device and test method |
| CN109975381A (en) * | 2019-02-28 | 2019-07-05 | 江苏中兴派能电池有限公司 | A kind of method of quick evaluation and test lithium ion battery plus-negative plate material electrochemical performance |
| CN112557924A (en) * | 2020-12-17 | 2021-03-26 | 中国电子科技集团公司第十八研究所 | Lithium battery material electrical property testing device and testing method based on temperature and pressure control |
-
2017
- 2017-07-10 CN CN201720827505.4U patent/CN206893729U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143086A (en) * | 2018-07-24 | 2019-01-04 | 格林美股份有限公司 | A kind of lithium battery performance testing device |
| CN109143086B (en) * | 2018-07-24 | 2021-02-19 | 格林美股份有限公司 | Lithium battery performance testing device |
| CN109444755A (en) * | 2018-11-19 | 2019-03-08 | 江西江钨浩运科技有限公司 | Hydrogen bearing alloy electrical property open cell test device and test method |
| CN109975381A (en) * | 2019-02-28 | 2019-07-05 | 江苏中兴派能电池有限公司 | A kind of method of quick evaluation and test lithium ion battery plus-negative plate material electrochemical performance |
| CN112557924A (en) * | 2020-12-17 | 2021-03-26 | 中国电子科技集团公司第十八研究所 | Lithium battery material electrical property testing device and testing method based on temperature and pressure control |
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