CN218727441U - Swagelok lithium ion battery reducing experimental device - Google Patents

Swagelok lithium ion battery reducing experimental device Download PDF

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Publication number
CN218727441U
CN218727441U CN202222590329.0U CN202222590329U CN218727441U CN 218727441 U CN218727441 U CN 218727441U CN 202222590329 U CN202222590329 U CN 202222590329U CN 218727441 U CN218727441 U CN 218727441U
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electrode
swagelok
lithium ion
ion battery
reducing
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张凡
赵玉飞
熊攀
张林昌
汪俪涵
张遥文
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Wuhu Owl Material Technology Co ltd
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Wuhu Owl Material Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a swagelok lithium ion battery reducing experimental apparatus, including first electrode, second electrode, two sets of nuts, two sets of tight circles, small electrode, mesochite and reducing cutting ferrule, first electrode with the second electrode alternates respectively to be connected in the both sides of mesochite, and first electrode alternates respectively with the second electrode and connect in two sets of nuts, and two sets of tight circles are connected respectively in two sets of nuts inboardly, and two sets of tight circles are connected respectively in the outside of first electrode and second electrode. This swagelok lithium ion battery reducing experimental apparatus can be used to the card to put the lithium cell of multiple specification through setting up the reducing cutting ferrule, thereby the problem of lithium cell inboard off normal in the mesochite has been avoided, the stability of lithium cell in the experimentation has been improved, it is fixed to press from both sides tight first electrode and second electrode to rotate the nut through the bi-polar, this swagelok lithium ion battery reducing experimental apparatus easy operation, the suitability has effectively been improved, the experiment cost is reduced, and the dismouting is simple, it is convenient to change the lithium cell, and convenient use.

Description

Swagelok lithium ion battery reducing experimental apparatus
Technical Field
The utility model relates to a lithium cell experiment technical field specifically is a swagelok lithium ion battery reducing experimental apparatus.
Background
The Swagelok cell (world vialog cell) has the specific advantages over the traditional three-electrode, which are:
1. the polarization is small, the test is stable, and the electrode curve is continuous and complete. The traditional three-electrode has long inter-electrode distance and obvious concentration polarization, which causes great polarization of electrochemical reaction in the test process, and the reaction is particularly severe at the contact place of a three-phase interface (solid-liquid-gas interface), which causes fluctuation and unevenness of an electrochemical curve in the test process and brings great interference factors in the test process.
2. Good sealing performance, simple and easy operation. Compared with the traditional three-electrode, the Swagelok cell (Viagro battery) can be completely sealed, can be used for testing an organic system, and can be well sealed for commercial lithium ion batteries, sodium ion batteries, potassium ion batteries, scientific research type organic magnesium ion, calcium ion, zinc ion, aluminum ion, iron ion and copper ion batteries.
3. The polarization is small, and the electrochemical test information needs to be accurate. The Swagelok cell (world Vivalok battery) has small electrochemical polarization, so that the system is more stable, the positive and negative pole pieces can only consider the problem of the reaction rate of the electrode material in the working process, are not interfered by the self factors of a battery test system, and can provide a stable system for researching the problems of energy storage, catalysis, adsorption, electrochemical corrosion and the like of the electrode material, so that the characteristics of the material can be researched more quickly, and the material can be regulated, controlled and corrected.
4. The working environment is wider, the volume is small, the operation is easy, and the electrolyte consumption is low. The Swagelok cell has smaller volume, can be applied to electrolyte with wider pH range, can work in any working environment except high temperature condition of more than 320 ℃, and can be applied to strong acid and strong alkali systems, medium and high temperature systems and low temperature systems. The operating equipment is much smaller than the traditional electrode, and is convenient and practical. The screwing type connection mode enables the electrode plates to be connected more conveniently than the traditional three-electrode, and the installation operation can be two times faster than the traditional three-electrode. The consumption of the electrolyte is very low, and the Swagelok cell (Shivialok battery) can infiltrate the diaphragm by using a small amount of a few drops of the electrolyte, so that the test is realized.
The lithium battery experiment is used for testing relevant experimental data of the lithium ion battery in a laboratory, and finding possible problems and the like in the aspects of lithium ion materials or materials, and is similar to the service life, the capacity, the internal loss and the like of the battery. In the experimental process of the conventional Swagelok lithium battery, the lithium battery needs to be clamped and fixed, referring to the attached drawing 14 of the specification, in the prior art, the lithium battery needs to be placed into the middle shell (6) firstly, then the electrodes at the two ends are inwards extruded to be contacted with the two ends of the lithium battery, and the electrodes are extruded and deformed to clamp the internal iron core electrode so as to realize the locking and sealing of the internal lithium battery.
The problems existing in the prior art are as follows:
the lithium battery with fixed specification can only be detected singly, and when the lithium battery with different diameters and lengths is used, the problem of low applicability exists, if the lithium battery with smaller lengths and specifications is easy to deviate in the device, the electrode can not normally contact the anode and the cathode of the lithium battery, and when the lithium battery with too large lengths and specifications is overlarge, corresponding experimental accessories need to be prepared again, so that the cost is increased.
In view of this, a novel swagelok lithium ion battery experimental device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a swagelok lithium ion battery reducing experimental apparatus to solve the lower, the use problem that has inconvenience of current swagelok lithium ion battery experimental apparatus suitability that provides in the above-mentioned background art.
In order to achieve the purpose, the utility model provides the following technical scheme, a swagelok lithium ion battery reducing experimental device, which comprises a first electrode, a second electrode, two groups of screw caps, two groups of tight rings, a small electrode, a middle shell and a reducing clamping sleeve;
the first electrode and the second electrode are respectively inserted and connected into two sides of the middle shell, and the first electrode and the second electrode are respectively inserted and connected into the two groups of screw caps;
the two groups of tightening rings are respectively connected to the inner sides of the two groups of screw caps, and the two groups of tightening rings are respectively connected to the outer sides of the first electrode and the second electrode;
the small electrode is movably connected to the inner side of the middle shell and comprises a middle contact, a moving part and a middle push block, wherein:
the middle contact and the middle push block are respectively and fixedly connected to two sides of the moving part;
slots are formed in the sides, far away from the first electrode and the second electrode, of the first electrode and the second electrode;
the reducing cutting sleeve is movably connected to the inner side of the middle shell and connected between the first electrode and the small electrode.
Preferably, a through groove and a limiting groove are formed in two sides of the nut respectively, the through groove is communicated with the limiting groove, and the inner wall of the limiting groove is connected with the surface of the middle shell through a threaded structure.
Preferably, the tight ring one end is ring structure, and the tight ring other end is round platform ring structure, and the external diameter length and the spacing inslot diameter length phase-match of tight ring structure this end.
Preferably, the two ends of the inner cavity of the middle shell are of a truncated cone structure with a symmetrical structure, and the first electrode and the second electrode are in clearance fit connection with the middle part of the inner cavity of the middle shell.
Preferably, an outer contact is integrally and fixedly connected to one side of the first electrode, which is close to the second electrode, and the length of the outer diameter of the outer contact is matched with that of the outer diameter of the middle contact.
Preferably, an outer pushing block is fixedly connected to one side, close to the first electrode, of the second electrode, and a spring is fixedly connected between the outer pushing block and the middle pushing block.
Preferably, the reducing cutting ferrule is provided with a reducing groove in a penetrating manner on the inner side, the reducing groove is of a multi-section continuous cylindrical structure, and the length of the inner diameter of the multi-section cylinder is gradually reduced along the extending direction from the first electrode to the second electrode.
Compared with the prior art, the beneficial effects of the utility model are that: this swagelok lithium ion battery reducing experimental apparatus can be used to the card to put the lithium cell of multiple specification through setting up the reducing cutting ferrule to avoided the problem of lithium cell at the inboard off normal of mesochite, the stability of lithium cell in the experimentation has been improved, it is fixed to press from both sides tight first electrode and second electrode to rotate the nut through the bi-polar, this swagelok lithium ion battery reducing experimental apparatus easy operation, the suitability has effectively been improved, the experiment cost is reduced, and the dismouting is simple, it is convenient to change the lithium cell, and convenient to use.
Drawings
Fig. 1 is an axonometric view of the swagelok lithium ion battery reducing experimental device of the present invention;
fig. 2 is a front view of the swagelok lithium ion battery reducing experimental device of the present invention;
FIG. 3 is a front sectional view of the swagelok lithium ion battery reducing experimental device of the present invention;
fig. 4 is an axonometric view of the swagelok lithium ion battery reducing experimental device after the nut is removed;
FIG. 5 is a front view of the swagelok lithium ion battery reducing experimental device of the present invention after the screw cap is removed;
FIG. 6 is a front sectional view of the swagelok lithium ion battery reducing experimental device with the screw cap removed;
fig. 7 is an axonometric view of the connection between each electrode and the reducing sleeve of the swagelok lithium ion battery reducing experimental device of the present invention;
fig. 8 is a front view of the connection between each electrode and the reducing sleeve of the swagelok lithium ion battery reducing experimental device of the present invention;
fig. 9 is a front structural cross-sectional view of the swagelok lithium ion battery reducing experimental apparatus of the present invention, in which each electrode is connected with a reducing sleeve;
fig. 10 is an axonometric view of each electrode connection of the swagelok lithium ion battery reducing experimental device of the present invention;
fig. 11 is a front view of the connection of each electrode of the swagelok lithium ion battery reducing experimental device of the present invention;
fig. 12 is a front sectional view of the connection of the electrodes of the swagelok lithium ion battery reducing experimental device of the present invention;
FIG. 13 is the utility model discloses a change cutting ferrule positive structure cross-sectional view of swagelok lithium ion battery reducing experimental apparatus
Fig. 14 is a schematic diagram of a front side structure of a middle case for testing a lithium ion battery in the prior art.
In the figure:
1. a first electrode; 11. an outer contact;
2. a second electrode; 21. an outer pushing block;
3. a nut; 31. penetrating a groove; 32. a limiting groove;
4. tightening a ring;
5. a small electrode; 51. a middle contact; 52. a moving part; 53. a middle push block;
6. a middle shell;
7. a spring;
8. a diameter-variable ferrule; 81. a reducing groove;
9. and (4) a slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-14, the present invention provides a technical solution: the utility model provides a swagelok lithium ion battery reducing experimental apparatus, includes first electrode 1, second electrode 2, two sets of nuts 3, two sets of tight circles 4, small electrode 5, mesochite 6 and reducing cutting ferrule 8.
The first electrode 1, the second electrode 2 and the small electrode 5 are made of conductive materials, such as copper, iron and the like.
The first electrode 1 and the second electrode 2 are respectively inserted into two sides of the middle shell 6, and the first electrode 1 and the second electrode 2 are respectively inserted into two groups of nuts 3.
The two groups of tight rings 4 are respectively connected to the inner sides of the two groups of screw caps 3, and the two groups of tight rings 4 are respectively connected to the outer sides of the first electrode 1 and the second electrode 2.
The small electrode 5 is movably connected to the inner side of the middle shell 6, and the small electrode 5 comprises a middle contact 51, a moving part 52 and a middle push block 53, wherein:
the middle contact 51 and the middle push block 53 are respectively fixedly connected to two sides of the moving part 52.
The first electrode 1 and the second electrode 2 are both provided with a slot 9 in the side far away from each other.
Specifically, can be used to insert electrically conductive equipment such as conducting rod through slot 9, link to each other electrically conductive clamp and conducting rod after that to realize the electric connection between experimental facilities and first electrode 1, the second electrode 2, the staff operation experiment of being convenient for.
The reducing cutting ferrule 8 is movably connected to the inner side of the middle shell 6, and the reducing cutting ferrule 8 is connected between the first electrode 1 and the small electrode 5.
The two sides of the nut 3 are respectively provided with a through groove 31 and a limiting groove 32, the through groove 31 is communicated with the limiting groove 32, and the inner wall of the limiting groove 32 is connected with the surface of the middle shell 6 through a thread structure. Specifically, referring to fig. 1-3 of the specification, two sets of nuts 3 are respectively connected to the outer sides of two ends of the middle shell 6 through a thread structure, the nuts 3 are stably connected to the middle shell 6 through the thread structure, the through grooves 31 are used for penetrating the first electrode 1 and the second electrode 2, and the inner diameter length of the through grooves 31 is smaller than the outer diameter length of the tight rings 4.
One end of the tight ring 4 is of an annular structure, the other end of the tight ring 4 is of a circular truncated cone annular structure, and the outer diameter length of the end of the tight ring 4 in the annular structure is matched with the inner diameter length of the limiting groove 32. Specifically, referring to fig. 3-6 of the specification, the tight ring 4 is made of a deformable material, and the inner side of the tight ring 4 is in clearance fit connection with the first electrode 1 and the second electrode 2.
The two ends of the inner cavity of the middle shell 6 are of a truncated cone structure with a symmetrical structure, and the first electrode 1 and the second electrode 2 are in clearance fit connection with the middle part of the inner cavity of the middle shell 6. Concretely, the embedded department of round platform type of mesochite 6 is connected to the round platform loop configuration one end of tight circle 4, and rotatory nut 3 can promote tight circle 4, and first electrode 1, second electrode 2 are connected respectively in the inboard of two sets of tight circles 4 to sticis tight circle 4 and fix the outside at first electrode 1 and second electrode 2, and then realize pressing from both sides tight fixedly to first electrode 1 and second electrode 2.
An outer contact 11 is integrally and fixedly connected to one side of the first electrode 1 close to the second electrode 2, and the length of the outer diameter of the outer contact 11 is matched with that of the outer diameter of the middle contact 51. Specifically, when the lithium battery is placed between the first electrode 1 and the small electrode 5, one end of the lithium battery is connected to the external contact 11, and the other end of the lithium battery is connected to the middle contact 51.
An outer pushing block 21 is fixedly connected to one side of the second electrode 2 close to the first electrode 1, and a spring 7 is fixedly connected between the outer pushing block 21 and the middle pushing block 53. Specifically, the spring 7 is used to realize the elastic connection between the outer pushing block 21 and the middle pushing block 53, that is, the elastic connection between the second electrode 2 and the small electrode 5, and when the second electrode 2 moves towards the first electrode 1, the small electrode 5 can be pushed to move towards the first electrode 1.
Reducing groove 81 has been seted up to the inboard link up of reducing cutting ferrule 8, and reducing groove 81 is the continuous cylindrical structure of multistage, and the cylindrical internal diameter length of multistage diminishes in proper order along the extending direction of first electrode 1 to second electrode 2. Specifically, with reference to the accompanying drawings 3, 6, 9 and 13 in the specification, lithium batteries with different diameters and lengths can be placed in the diameter-variable groove 81, the diameter-variable groove 81 has a limiting effect on the lithium batteries, the external contact 11 can press and fix the lithium batteries in the diameter-variable groove 81, the applicability is effectively improved, and the experiment cost is reduced.
When the lithium battery clamping sleeve is used, the lithium battery is placed in the diameter-changing groove 81, then the diameter-changing clamping sleeve 8 is placed inside the middle shell 6, the first electrode 1 is pushed into one end of the middle shell 6, the second electrode 2 and the small electrode 5 are pushed into the other end of the middle shell 6, the two groups of tightening rings 4 are respectively sleeved outside the first electrode 1 and the second electrode 2, the first electrode 1 is pushed, the second electrode 2 moves towards one side of the diameter-changing clamping sleeve 8, the outer contact 11 and the middle contact 51 are respectively contacted with two ends of the lithium battery, the two groups of tightening rings 4 are respectively connected into openings at two ends of the middle shell 6, then the two groups of screw caps 3 are rotated, the tightening rings 4 can be pushed by the screw caps 3, the tightening rings 4 are tightly pressed and fixed on the outer sides of the first electrode 1 and the second electrode 2, clamping and fixing of the first electrode 1 and the second electrode 2 are realized, and in the experimental process, the first electrode 1, the outer contact 11, the lithium battery, the small electrode 5, the outer pushing block 21 and the second electrode 2 are stably connected with the second electrode 2, and normal experimental process of the lithium battery is guaranteed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a swagelok lithium ion battery reducing experimental apparatus which characterized in that: the electrode comprises a first electrode (1), a second electrode (2), two groups of screw caps (3), two groups of tightening rings (4), a small electrode (5), a middle shell (6) and a variable diameter cutting sleeve (8);
the first electrode (1) and the second electrode (2) are respectively inserted into two sides of the middle shell (6), and the first electrode (1) and the second electrode (2) are respectively inserted into two groups of screw caps (3);
the two groups of tightening rings (4) are respectively connected to the inner sides of the two groups of screw caps (3), and the two groups of tightening rings (4) are respectively connected to the outer sides of the first electrode (1) and the second electrode (2);
the small electrode (5) is movably connected to the inner side of the middle shell (6), the small electrode (5) comprises a middle contact (51), a moving part (52) and a middle push block (53), wherein:
the middle contact (51) and the middle push block (53) are respectively and fixedly connected to two sides of the moving part (52);
slots (9) are formed in the sides, far away from the first electrode (1) and the second electrode (2), of the first electrode and the second electrode;
the reducing clamping sleeve (8) is movably connected to the inner side of the middle shell (6), and the reducing clamping sleeve (8) is connected between the first electrode (1) and the small electrode (5).
2. The variable-diameter experimental device for the swagelok lithium ion battery of claim 1, characterized in that: the nut (3) is internally provided with a through groove (31) and a limiting groove (32) in two sides respectively, the through groove (31) is communicated with the limiting groove (32), and the inner wall of the limiting groove (32) is connected with the surface of the middle shell (6) through a thread structure.
3. The swagelok lithium ion battery reducing experimental device of claim 2, characterized in that: one end of the tight ring (4) is of an annular structure, the other end of the tight ring (4) is of a circular truncated cone annular structure, and the outer diameter length of the end of the tight ring (4) annular structure is matched with the inner diameter length of the limiting groove (32).
4. The variable-diameter experimental device for the swagelok lithium ion battery of claim 1, characterized in that: the two ends of the inner cavity of the middle shell (6) are of a round table structure with a symmetrical structure, and the first electrode (1), the second electrode (2) and the middle part of the inner cavity of the middle shell (6) are in clearance fit connection.
5. The variable-diameter experimental device for the swagelok lithium ion battery of claim 1, characterized in that: the first electrode (1) is close to one side of the second electrode (2) and is integrally and fixedly connected with an outer contact (11), and the length of the outer diameter of the outer contact (11) is matched with the length of the outer diameter of the middle contact (51).
6. The swagelok lithium ion battery reducing experimental device of claim 1, characterized in that: an outer pushing block (21) is integrally and fixedly connected to one side, close to the first electrode (1), of the second electrode (2), and a spring (7) is fixedly connected between the outer pushing block (21) and the middle pushing block (53).
7. The variable-diameter experimental device for the swagelok lithium ion battery of claim 1, characterized in that: reducing groove (81) have been seted up to reducing cutting ferrule (8) inboard link up, reducing groove (81) are the continuous cylindrical structure of multistage, and the cylindrical internal diameter length of multistage diminishes in proper order along the extending direction of first electrode (1) to second electrode (2).
CN202222590329.0U 2022-09-29 2022-09-29 Swagelok lithium ion battery reducing experimental device Active CN218727441U (en)

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Application Number Priority Date Filing Date Title
CN202222590329.0U CN218727441U (en) 2022-09-29 2022-09-29 Swagelok lithium ion battery reducing experimental device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222590329.0U CN218727441U (en) 2022-09-29 2022-09-29 Swagelok lithium ion battery reducing experimental device

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Publication Number Publication Date
CN218727441U true CN218727441U (en) 2023-03-24

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