CN211528275U - Mold for researching metal-based water-based battery - Google Patents
Mold for researching metal-based water-based battery Download PDFInfo
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- CN211528275U CN211528275U CN201921705846.XU CN201921705846U CN211528275U CN 211528275 U CN211528275 U CN 211528275U CN 201921705846 U CN201921705846 U CN 201921705846U CN 211528275 U CN211528275 U CN 211528275U
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 76
- 239000002184 metal Substances 0.000 title claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 77
- 238000005070 sampling Methods 0.000 claims abstract description 38
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims description 28
- 239000003513 alkali Substances 0.000 claims description 8
- 238000005381 potential energy Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 abstract description 25
- 238000011160 research Methods 0.000 abstract description 8
- 238000005868 electrolysis reaction Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 7
- 239000008151 electrolyte solution Substances 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 abstract description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract description 4
- 238000005342 ion exchange Methods 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 28
- 239000000463 material Substances 0.000 description 11
- 239000002585 base Substances 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 8
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(2+);cobalt(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 description 8
- 229910002804 graphite Inorganic materials 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 8
- 239000006230 acetylene black Substances 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 4
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- 238000000034 method Methods 0.000 description 4
- 239000002077 nanosphere Substances 0.000 description 4
- 239000002070 nanowire Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910003003 Li-S Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910014103 Na-S Inorganic materials 0.000 description 1
- 229910014147 Na—S Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 238000012625 in-situ measurement Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
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Abstract
The utility model provides a mould for studying metal base water system battery, including backup pad, second electrode, electrolytic bath, first electrode, apron, fastener, the first through-hole has been seted up at the electrolytic bath middle part, and the sampling hole has been seted up to the electrolytic bath periphery side, is convenient for in the test and after the test to dielectric extraction, measurement and research, reaches approximate normal position measuring purpose; the sealing ring is matched with the sealing groove and the lifting is arrangedThe battery sealing performance is improved, and CO on one side of the second electrode is avoided when the porous metal electrode is directly used as the second electrode2Entering an electrolysis chamber to cause the electrolyte solution to carbonate; the support plate is provided with a placing groove and a limiting groove, a contact piece and an elastic piece are arranged in the placing groove, the contact piece is provided with a limiting block, and when the porous metal electrode to be tested is placed in the placing groove, the second electrode is provided with a second through hole, so that the ion exchange of electrolyte in the electrolytic bin is not hindered; and the porous metal electrode and the compact electrode can be compared and tested, so that the test variables are reduced.
Description
Technical Field
The utility model belongs to the technical field of energy device technique and specifically relates to a mould for studying metal base water system battery is related to.
Background
Along with the development of global economy, environmental pollution and energy exhaustion are becoming more serious. The development of renewable energy and energy conversion storage technologies is of great importance. Higher theoretical specific energy density of metal-air battery (for example: theoretical specific energy density of zinc-air battery: 1086Wh kg)-1) And low price and environmental friendliness, etc. are widely paid attention. A conventional metal-air battery consists of a second electrode, an electrolyte and a first electrode.
In the test, the battery mold is usually used for assembling the battery to carry out related test research. However, chemical components of the electrolyte and physical properties such as pH, density, uniformity, etc. are changed during the charge and discharge of the battery. In order to better perform accurate measurement of the relevant variations, it is necessary to extract and measure the physicochemical properties of the electrolyte at different positions (near the second electrode side, near the first electrode side, in the middle of the electrolyte, and the like).
SUMMERY OF THE UTILITY MODEL
In view of the drawbacks of the prior art, it is an object of the present invention to provide a mold for studying a metal-based aqueous battery.
In order to achieve the above purpose, the utility model provides a following technical scheme: the mold for researching the metal-based water-based battery comprises a cover plate, a support plate and a fastener, wherein the fastener is used for limiting the distance between the support plate and the cover plate; at least one first electrode, at least one electrolytic cell and at least one second electrode are arranged between the cover plate and the support plate, and a first through hole is formed in the middle of the electrolytic cell along the height direction of the electrolytic cell; the adjacent first electrodes are abutted with the electrolytic cell, and the adjacent first electrodes are abutted with the cover plate; the adjacent second electrodes are abutted with the supporting plate, and the adjacent second electrodes are abutted with the electrolytic cell; a plurality of sampling holes are formed in the outer peripheral side of the electrolytic cell and communicated with the first through hole; and a sealing plug is arranged on the peripheral side of the electrolytic cell and is in plug-in fit with the sampling hole.
Through adopting above-mentioned technical scheme, backup pad, second electrode, electrolytic bath, first electrode, apron pass through the fastener in order and connect, ensure that the second electrode covers the first through-hole of adjacent electrolytic bath completely, first electrode covers the first through-hole of adjacent electrolytic bath completely, fill up the electrolyte in to the electrolysis storehouse through the sample hole, later with the cooperation of pegging graft of closing plug and sample hole, this structure equipment is simple and convenient, be convenient for in the experiment and after the experiment to extraction, measurement and research of dielectric.
The utility model discloses further set up to: a placing groove is formed in one side, close to the cover plate, of the supporting plate, a second through hole is formed in the second electrode, the second through hole is adjacent to the supporting plate, the second through hole is located on the inner side of the first through hole along the projection of the second through hole in the height direction of the electrolytic cell, and a porous metal electrode is arranged in the placing groove.
By adopting the technical scheme, the porous metal electrode is placed in the placing groove, the insulator can be placed in the placing groove to ensure that the porous metal electrode is abutted against the second electrode, the second electrode can be made of copper materials, silver materials, platinum materials or the like, and the electrolyte enters the placing groove through the second through hole of the second electrode to be in contact with the porous metal electrode; avoiding electrolyte leakage or CO in the air when the porous metal electrode is used as the second electrode2Enters the electrolytic bin to be contacted with the electrolyte to carbonate the electrolyte.
The utility model discloses further set up to: the anti-contact piece is arranged in the placing groove, the elastic piece is arranged between the bottom of the placing groove and the abutting piece, when elastic potential energy stored by the elastic piece is zero, the upper surface of the anti-contact piece and the upper surface of the supporting plate are located on the same plane, and the anti-contact piece and the elastic piece are made of alkali-resistant insulating materials or coated with alkali-resistant insulating layers.
Through adopting above-mentioned technical scheme, the conflict piece receives the elasticity of elastic component to give the porous metal electrode in the standing groove and keeps away from the power of tank bottom, makes porous metal electrode and the better butt of second electrode, avoids not finding the insulator of suitable height and makes porous metal electrode and second electrode inconsistent.
The utility model discloses further set up to: a plurality of limiting grooves are formed in the inner peripheral side of the placing groove along the height direction of the placing groove, and limiting blocks in sliding connection with the limiting grooves are arranged on the outer peripheral side of the contact piece.
Through adopting above-mentioned technical scheme, through the limiting displacement of spacing groove to the stopper, make the conflict piece can only follow the spacing groove motion in the standing groove, avoid the conflict piece to break away from the standing groove.
The utility model discloses further set up to: the upper surface and the lower surface of the electrolytic cell are respectively provided with an annular sealing groove; annular seal grooves are formed in the upper surface of the supporting plate and the lower surface of the cover plate respectively, seal rings are arranged in the seal grooves, the projection of the seal grooves in the height direction of the electrolytic cell is located on the outer side of the first through hole, and the height of each seal ring is larger than that of each seal groove.
By adopting the technical scheme, the sealing performance of the metal-based water-based battery mould is improved, the problems of electrolyte dehydration, crystallization and precipitation of solutes such as potassium hydroxide and the like caused by liquid leakage of liquid electrolyte are avoided, and the problems that the conductivity of the electrolyte is rapidly reduced, so that the working time and the cycle life of the battery are greatly reduced, and the accuracy of a test result is influenced are avoided; the soft sealing ring is compressed by force, so that the contact area between the upper surface and the lower surface of the soft sealing ring and other parts is increased, and the sealing performance of the die is further enhanced.
The utility model discloses further set up to: the number of the sampling holes is three, and the three sampling holes are sequentially arranged along the height direction of the electrolytic cell; the sampling hole in the middle part is equidistant from the upper surface and the lower surface of the electrolytic cell.
By adopting the technical scheme, the extraction, measurement and research of the dielectric medium are respectively convenient for the upper part, the middle part and the lower part of the electrolytic bin during and after the test, and the change of the electrolyte of the battery in the working process is more convenient to explore.
The utility model discloses further set up to: and the first electrode and at least one group of combined modules consisting of an electrolytic cell and a second electrode are sequentially arranged between the cover plate and the support plate from the cover plate to the support plate.
Through adopting above-mentioned technical scheme, be convenient for assemble the structure of the series connection of a plurality of batteries of test.
The utility model discloses further set up to: and a third electrode is arranged in the first through hole, a lead is arranged on the third electrode and is exposed to the outer peripheral side of the electrolytic cell through the sampling hole, and the third electrode is made of porous metal.
By adopting the technical scheme, the first electrode and the second electrode are used as cathodes, and the third electrode is used as an anode, so that the mass ratio of the anode to the cathode to the catalyst can be conveniently adjusted.
The utility model discloses further set up to: the fastening piece comprises a plurality of bolts, nuts and gaskets which are matched with each other, a plurality of first positioning holes are formed in the supporting plate along the height direction of the supporting plate, a plurality of second positioning holes are formed in the electrolytic cell along the height direction of the electrolytic cell, a plurality of third positioning holes are formed in the cover plate along the height direction of the cover plate, and the bolts, the nuts, the gaskets, the first positioning holes, the second positioning holes and the third positioning holes are equal in number and correspond to one another; the end, close to the nut, of the bolt is an inserting end, the section, far away from the nut, of the bolt is a fixed end, the inserting end of the bolt is in inserting fit with the first positioning hole, the second positioning hole and the third positioning hole, and the gasket is located between the fixed end of the bolt and the cover plate; and a sealing cover is arranged at one end of the sealing plug, which is far away from the electrolytic cell, and a test hole is formed in the sealing plug and the sealing cover along the central axis of the sealing plug and the sealing cover.
By adopting the technical scheme, one end of the bolt close to the nut is in plug fit with the first positioning hole, the second positioning hole and the third positioning hole, and the nut is matched and fastened with the bolt, so that mutually close acting force is applied to the cover plate and the support plate through the bolt and the nut, the contact area between the sealing ring and other parts of the die of the metal-based water-based battery is increased, and the sealing performance of the die of the metal-based water-based battery is further enhanced; by adopting the technical scheme, the sealing plug is convenient to apply acting force to the sealing plug through the sealing cover to separate from the sampling hole when electrolyte is injected, and the sealing plug is respectively in plug-in fit with the corresponding sampling hole by applying acting force to the sealing plug after the electrolyte is injected; the probe of the electronic pH meter can be conveniently inserted into the electrolyte solution through the test hole by arranging the test hole, the pH value is output during the test, the pH change of the electrolyte solution in the battery standing state and the charging and discharging state can be analyzed according to the change quantity of the value and the value, and relevant analysis discussion is developed based on the change quantity.
The mold for researching the metal-based water-based battery comprises a cover plate, a support plate and a fastener, wherein the fastener is used for limiting the distance between the support plate and the cover plate; at least one first electrode, at least one electrolytic cell and at least one second electrode are arranged between the cover plate and the support plate, and a first through hole is formed in the middle of the electrolytic cell along the height direction of the electrolytic cell; the adjacent first electrodes are abutted with the electrolytic cell, and the adjacent first electrodes are abutted with the cover plate; the adjacent second electrodes are abutted with the supporting plate, and the adjacent second electrodes are abutted with the electrolytic cell; a plurality of sampling holes are formed in the outer peripheral side of the electrolytic cell and communicated with the first through hole; a sealing plug is arranged on the peripheral side of the electrolytic cell and is in plug-in fit with the sampling hole;
a placing groove is formed in one side, close to the cover plate, of the supporting plate, a second through hole is formed in the second electrode adjacent to the supporting plate, the projection of the second through hole in the height direction of the electrolytic cell is located on the inner side of the first through hole, and a porous metal electrode is arranged in the placing groove;
the elastic piece is arranged between the bottom of the placing groove and the contact piece, when the elastic potential energy stored by the elastic piece is zero, the upper surface of the contact piece and the upper surface of the supporting plate are positioned on the same plane, and the contact piece and the elastic piece are both made of insulating materials or coated with insulating layers on the outer surfaces;
a plurality of limiting grooves are formed in the inner peripheral side of the placing groove along the height direction of the placing groove, and limiting blocks in sliding connection with the limiting grooves are arranged on the outer peripheral side of the contact piece;
the upper surface and the lower surface of the electrolytic cell are respectively provided with an annular sealing groove; the upper surface of the supporting plate and the lower surface of the cover plate are respectively provided with an annular sealing groove, a sealing ring is arranged in the sealing groove, the projection of the sealing groove in the height direction of the electrolytic cell is positioned outside the first through hole, and the height of the sealing ring is greater than that of the sealing groove;
the number of the sampling holes is three, and the three sampling holes are sequentially arranged along the height direction of the electrolytic cell; the sampling hole in the middle part has the same distance with the upper surface and the lower surface of the electrolytic cell;
the first electrode and at least one group of combined modules consisting of an electrolytic cell and a second electrode are sequentially arranged between the cover plate and the support plate from the cover plate to the support plate;
a third electrode is arranged in the first through hole, a lead is arranged on the third electrode and is exposed to the outer peripheral side of the electrolytic cell through a sampling hole, and the third electrode is made of porous metal;
the fastening piece comprises a plurality of bolts, nuts and gaskets which are matched with each other, a plurality of first positioning holes are formed in the supporting plate along the height direction of the supporting plate, a plurality of second positioning holes are formed in the electrolytic cell along the height direction of the electrolytic cell, a plurality of third positioning holes are formed in the cover plate along the height direction of the cover plate, and the bolts, the nuts, the gaskets, the first positioning holes, the second positioning holes and the third positioning holes are equal in number and correspond to one another; the end, close to the nut, of the bolt is an inserting end, the section, far away from the nut, of the bolt is a fixed end, the inserting end of the bolt is in inserting fit with the first positioning hole, the second positioning hole and the third positioning hole, and the gasket is located between the fixed end of the bolt and the cover plate; and a sealing cover is arranged at one end of the sealing plug, which is far away from the electrolytic cell.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the die for researching the metal-based water-based battery comprises a supporting plate, a second electrode, an electrolytic cell, a first electrode, a cover plate and a fastening piece, wherein a first through hole is formed in the middle of the electrolytic cell, a plurality of sampling holes are formed in the peripheral side of the electrolytic cell, so that the extraction, measurement and research of a dielectric medium are facilitated on the upper portion, the middle portion and the lower portion of the electrolytic cell respectively during and after a test, the change of the electrolyte in the working process of the battery is facilitated to be explored, and the purpose of approximate in-situ measurement is achieved;
(2) the sealing ring is matched with the sealing groove, so that the sealing performance of the battery is improved, the acting force which is close to each other is applied to the cover plate and the supporting plate through the fastening piece, the contact area of the sealing ring and other parts of the metal-based water-based battery mould is increased, the sealing performance of the metal-based water-based battery mould is further enhanced, and one side of the second electrode is prevented from having CO when the porous metal electrode is directly used as the second electrode2Entering an electrolysis chamber to cause the electrolyte solution to carbonate; the assembly is convenient, does not need to have sealed embedding, does not need higher level to aim at, and the electrode only needs to cover the opening of electrolysis storehouse, just can seal completely after the fastening, and through many times of experimental verification, the weeping does not take place in 30 days after the equipment.
(3) The placing groove is formed in the supporting plate, the contact piece and the elastic piece are arranged in the placing groove, the limiting groove is formed in the inner peripheral side of the placing groove, the limiting block is arranged on the outer peripheral side of the contact piece, when the porous metal electrode is tested, the porous metal electrode is placed in the placing groove, at the moment, the second through hole is formed in the second electrode, the porous metal electrode is conveniently placed in the placing groove, the elastic piece and the contact piece enable the porous metal electrode to be in good contact with the second electrode, and the fact that ion exchange of electrolyte in the electrolytic bin is not hindered is guaranteed as far as possible; the utility model can also directly perform comparative analysis, and the electrode of the porous metal material and the compact electrode are compared and tested, and the same set of mould is used, so that the variable of the comparative test is reduced;
(4) a first electrode and a plurality of groups of combined modules consisting of an electrolytic cell and a second electrode are arranged between the cover plate and the support plate; the research on the series connection condition of different batteries or the same battery is facilitated;
(5) through set up the third electrode in first through-hole, be provided with the lead wire on the third electrode and expose at the electrolysis trough periphery side through the thief hole, the third electrode material is porous metal material, and first electrode second electrode is the negative pole, and the third electrode is as the positive pole, is convenient for adjust the mass ratio of positive pole and negative pole and catalyst.
(6) The problem that the compact second electrode is easy to form dendrite in the charging and discharging process, so that the reaction is terminated and even short circuit is caused is solved, and the service life of the battery is prolonged.
Drawings
Fig. 1 is a schematic view of the external structure of a mold for studying a metal-based aqueous battery in example 1;
fig. 2 is a schematic view of the mold for investigating a metal-based aqueous battery in example 1 in order to show an exploded structure of a first through-hole;
fig. 3 is a schematic view of the mold for investigating a metal-based aqueous battery in example 1 in order to show the exploded structure of the positioning post;
fig. 4 is an exploded view of the support plate and the second electrode of the mold for studying the metal-based aqueous battery in example 2;
FIG. 5 is a schematic view of a partial cross-sectional structure of a mold for investigating a metal-based aqueous battery in examples 3 to 4 for a third electrode;
reference numerals: 1. a support plate; 2. a second electrode; 3. an electrolytic cell; 4. a first electrode; 5. a cover plate; 6. a fastener; 7. a first through hole; 8. a sampling hole; 9. a closing plug; 10. a placement groove; 11. a second through hole; 12. a porous metal electrode; 13. a contact piece is abutted; 14. an elastic member; 15. a limiting groove; 16. a limiting block; 17. a sealing groove; 18. a seal ring; 19. a third electrode; 20. a bolt; 21. a nut; 22. a gasket; 23. a first positioning hole; 24. a second positioning hole; 25. a third positioning hole; 26. and (6) closing the cover.
Detailed Description
The present example is intended to provide a mold for studying a metal-based aqueous battery. The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1:
as shown in fig. 1, the mold for studying a metal-based aqueous battery comprises, in order from bottom to top, a rectangular support plate 1, a long sheet-like second electrode 2, a rectangular electrolytic cell 3, a long sheet-like first electrode 4, and a rectangular cover plate 5; the sectional areas of the supporting plate 1, the electrolytic cell 3 and the cover plate 5 in the height direction are equal; the distance between the support plate 1 and the cover plate 5 is limited by four sets of fasteners 6.
In this embodiment, the first electrode 4 is formed by bonding an active component and a conductive base material through an adhesive, wherein the active component mainly includes manganese dioxide, cobaltosic oxide, and the like, and the conductive base material includes acetylene black, graphite, porous graphite, graphene oxide, N-doped graphene carbon nanowires, carbon nanotubes, carbon nanospheres, and the like; the second electrode 2 includes zinc, iron, aluminum, sodium, lithium, and the like.
As shown in fig. 2 and 3, a circular first through hole 7 is formed in the middle of the electrolytic cell 3, the lower surface of the second electrode 2 is abutted against the upper surface of the support plate 1, and the upper surface of the second electrode 2 is abutted against the lower surface of the electrolytic cell 3; the lower surface of the first electrode 4 is abutted against the upper surface of the electrolytic cell 3, and the upper surface of the first electrode 4 is abutted against the lower surface of the cover plate 5; the second electrode 2 completely covers the lower surface of the first through hole 7, the first electrode 4 completely covers the upper surface of the first through hole 7, and the first through hole 7, the upper surface of the second electrode 2 and the lower surface of the first electrode 4 form a closed electrolytic bin together.
Three circular sampling holes 8 are formed in the peripheral side of the electrolytic cell 3 along the direction perpendicular to the same side face, and the distances between the sampling holes 8 in the middle and the upper surface and the lower surface of the electrolytic cell 3 are equal; the three sampling holes 8 are communicated with the electrolytic bin, each sampling hole 8 is provided with a sealing plug 9 which is in plug-in fit with the sampling hole, one end of each sealing plug 9, which is far away from the electrolytic cell 3, is provided with a sealing cover 26, the sealing plugs 9 and the sealing covers 26 are provided with testing holes (not shown in the figure) along the central axis of the sealing plug 9 and the sealing covers 26, a probe of an electronic pH meter can conveniently enter into the electrolyte solution through the testing holes by arranging the testing holes, the electrolyte is respectively extracted from the upper part, the middle part and the lower part of the electrolytic bin during and after the test, the pH value is output during the test, the pH change of the electrolyte solution in the battery standing state and the charging and discharging state can be analyzed according to the change quantity of the value and the value, and the related analysis discussion is developed.
The upper surface and the lower surface of the electrolytic cell 3 are respectively provided with an annular sealing groove 17, and the upper surface of the support plate 1 and the lower surface of the cover plate 5 are respectively provided with an annular sealing groove 17; the sealing groove 17 is coaxially arranged with the first through hole 7, and the projection of the sealing groove 17 in the height direction of the electrolytic cell 3 is positioned outside the first through hole 7; a sealing ring 18 is arranged in the sealing groove 17, and the height of the sealing ring 18 is larger than that of the sealing groove 17.
The fastener 6 comprises a bolt 20, a nut 21 and a gasket 22 which are matched with each other, four first positioning holes 23 are formed in the supporting plate 1 along the height direction of the supporting plate, four second positioning holes 24 are formed in the electrolytic cell 3 along the height direction of the electrolytic cell, four third positioning holes 25 are formed in the cover plate 5 along the height direction of the cover plate, and the bolt 20, the nut 21, the first positioning holes 23, the second positioning holes 24 and the third positioning holes 25 are equal in number and correspond to each other one by one; one end of the bolt 20 close to the nut 21 is an inserting end, one section of the bolt 20 far away from the nut 21 is a fixed end, the inserting end of the bolt 20 is in inserting fit with the first positioning hole 23, the second positioning hole 24 and the third positioning hole 25, and the gasket 22 is located between the fixed end of the bolt 20 and the cover plate 5.
During installation, the inserting end of the bolt 20 is in inserting fit with the first positioning hole 23, the second positioning hole 24 and the third positioning hole 25, the nut 21 is matched and fastened with the bolt 20, so that acting forces which are close to each other are applied to the cover plate 5 and the support plate 1 through the bolt 20 and the nut 21, the contact area between the sealing ring 18 and other parts of the metal-based water battery mold is increased, the sealing performance of the metal-based water battery mold is further enhanced, and the measurement of the metal-air battery with the second electrode 2 being a compact metal electrode is facilitated.
During the use, exert effort to make it break away from the thief hole 8 through closing cap 26 to closing plug 9, make it respectively with the cooperation of pegging graft of corresponding thief hole 8 through exerting effort to closing cap 26 after injecting into the electrolyte, can be through the extraction, the measurement and the research of three thief hole 8 at the upper portion of electrolysis storehouse, middle part, lower part respectively to the dielectric in the experiment with after the experiment, be convenient for more explore the change of battery electrolyte in the course of the work.
Example 2:
as shown in fig. 1 and 4, the mold for investigating a metal-based aqueous battery is different from example 1 in that a cylindrical placement groove 10 is opened on a side of a support plate 1 close to a cover plate 5, a projection of the placement groove 10 in the height direction of an electrolytic cell 3 is positioned inside a seal groove 17, the diameter of the placement groove 10 is equal to the diameter of a first through hole 7, a second through hole 11 is opened on a second electrode 2 adjacent to the support plate 1 coaxially with the placement groove 10, and a projection of the second through hole 11 in the height direction of the electrolytic cell 3 is positioned inside the placement groove 10. An abutting sheet 13 is arranged in the placing groove 10, an elastic member 14 is arranged between the bottom of the placing groove 10 and the abutting sheet 13, the elastic member 14 can be alkali-resistant insulating elastic rubber or a spring coated with an insulating layer, and in this embodiment, the spring coated with the alkali-resistant insulating layer is preferably used as the elastic member 14; when the elastic potential energy stored in the elastic piece 14 is zero, the upper surface of the contact piece 13 and the upper surface of the support plate 1 are located on the same plane, four limiting grooves 15 are uniformly formed in the inner peripheral side of the placing groove 10 along the height direction of the placing groove, and four limiting blocks 16 connected with the limiting grooves 15 in a sliding mode are arranged on the outer peripheral side of the contact piece 13; a porous metal electrode 12 is arranged in the placing groove 10, and the lower surface of the porous metal electrode 12 is abutted with the abutting sheet 13.
In this embodiment, the first electrode 4 is formed by bonding an active component and a conductive base material through an adhesive, wherein the active component mainly includes manganese dioxide, cobaltosic oxide, and the like, and the conductive base material includes acetylene black, graphite, porous graphite, graphene oxide, N-doped graphene carbon nanowires, carbon nanotubes, carbon nanospheres, and the like; the second electrode 2 may be made of copper, silver or platinum, in this embodiment, the copper is preferably used as the second electrode 2, and the electrolyte enters the placing groove 10 through the second through hole 11 of the second electrode 2 to contact with the porous metal electrode 12; avoiding leakage of electrolyte or CO in the air when the porous metal electrode 12 is used as the second electrode 22Enters an electrolytic bin to contact with the electrolyte to carbonate the electrolyteThe change, guarantee as far as possible that the ion exchange of electrolyte in the electrolysis storehouse is unimpeded, contact piece 13 receives the elasticity of elastic component 14 and gives porous metal electrode 12 in the standing groove 10 the power of keeping away from the tank bottom, make porous metal electrode 12 and the better butt of second electrode 2, spacing groove 15 is spacing to stopper 16, make contact piece 13 can only follow the motion of spacing groove 15 in standing groove 10, avoid contact piece 13 to break away from standing groove 10, this embodiment is convenient for measure porous metal as the metal air battery model of positive pole, this embodiment can also directly make contrastive analysis, electrode and the comparison test of fine and close electrode to porous metal material, use same set of mould, the variable of contrastive test has been reduced.
Example 3:
as shown in fig. 5, the mold for investigating a metal-based aqueous battery differs from example 1 in that a third electrode 19 is provided in the first through hole 7 of the electrolytic cell 3, a lead (not shown) is provided on the third electrode 19 and is exposed to the outer peripheral side of the electrolytic cell 3 through the sampling hole 8, the third electrode 19 is made of a porous metal, and the first electrode 4 and the second electrode 2 both serve as a cathode, and the third electrode 19 serves as an anode; in this embodiment, the first electrode 4 and the second electrode 2 are both formed by bonding active ingredients and a conductive base material through an adhesive, wherein the active ingredients mainly include manganese dioxide, cobaltosic oxide, and the like, and the conductive base material includes acetylene black, graphite, porous graphite, graphene oxide, N-doped graphene carbon nanowires, carbon nanotubes, carbon nanospheres, and the like. The embodiment is a metal-based water battery model which is convenient for measuring double cathodes of the first electrode 4 and the second electrode 2, and the porous metal electrode 12 is used as an anode.
Example 4:
as shown in fig. 5, the mold for investigating a metal-based aqueous battery differs from example 1 in that a third electrode 19 is provided in the first through hole 7 of the electrolytic cell 3, a lead (not shown) is provided on the third electrode 19 and is exposed to the outer peripheral side of the electrolytic cell 3 through the sampling hole 8, the third electrode 19 is made of dense metal, and the first electrode 4 and the second electrode 2 both serve as a cathode, and the third electrode 19 serves as an anode; in this embodiment, the first electrode 4 and the second electrode 2 are both formed by bonding active ingredients and a conductive base material through an adhesive, wherein the active ingredients mainly include manganese dioxide, cobaltosic oxide, and the like, and the conductive base material includes acetylene black, graphite, porous graphite, graphene oxide, N-doped graphene carbon nanowires, carbon nanotubes, carbon nanospheres, and the like. The embodiment is convenient for measuring the metal-based water battery model with the first electrode 4 and the second electrode 2 as double cathodes and the compact electrode as the anode, is convenient for comparing with the embodiment 3, and reduces experimental errors.
Example 5:
a mold for studying a metal-based aqueous battery, which is different from example 1 in that one of the first electrodes 4 and at least two sets of combined modules each composed of one electrolytic cell 3 and one second electrode 2 are arranged between the cover plate 5 and the support plate 1 in this order from the cover plate 5 toward the support plate 1; the embodiment facilitates the research of different batteries such as Li-S, Na-S batteries or the serial connection condition of the same battery, and simultaneously facilitates the adjustment of the mass ratio of the anode to the cathode, avoids the large consumption speed difference of the cathode and the anode, and facilitates the increase of the contact area among the cathode, the anode and the catalyst.
Example 6:
the mold for researching the metal-based water-based battery is different from the mold in example 5 in that a porous metal anode is used to connect the electrolyte in the electrolytic cell 3 on both sides of the third electrode 19, so that the mass ratio of the anode to the cathode can be conveniently adjusted, the consumption speed difference between the cathode and the anode can be avoided, and the contact area between the cathode and the catalyst can be conveniently increased.
The present invention is not limited to the above embodiment, and those skilled in the art can make modifications to the embodiment as required without inventive contribution after reading the present specification, but all the modifications are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. A mold for studying a metal-based aqueous battery, characterized in that: the device comprises a cover plate (5), a support plate (1) and a fastener (6), wherein the fastener (6) is used for limiting the distance between the support plate (1) and the cover plate (5); at least one first electrode (4), at least one electrolytic cell (3) and at least one second electrode (2) are arranged between the cover plate (5) and the support plate (1), and a first through hole (7) is formed in the middle of the electrolytic cell (3) along the height direction of the electrolytic cell;
the adjacent first electrodes (4) are abutted with the electrolytic cell (3), and the adjacent first electrodes (4) are abutted with the cover plate (5); the adjacent second electrodes (2) are abutted with the supporting plate (1), and the adjacent second electrodes (2) are abutted with the electrolytic cell (3);
a plurality of sampling holes (8) are formed in the outer peripheral side of the electrolytic cell (3), and the sampling holes (8) are communicated with the first through hole (7); and a sealing plug (9) is arranged on the peripheral side of the electrolytic cell (3), and the sealing plug (9) is in plug-in fit with the sampling hole (8).
2. The mold for studying a metal-based aqueous battery according to claim 1, characterized in that: one side, close to the cover plate (5), of the support plate (1) is provided with a placing groove (10), the second electrode (2) adjacent to the support plate (1) is provided with a second through hole (11), the projection of the second through hole (11) in the height direction of the electrolytic cell (3) is located on the inner side of the first through hole (7), and a porous metal electrode (12) is arranged in the placing groove (10).
3. The mold for studying a metal-based aqueous battery according to claim 2, characterized in that: the novel solar cell is characterized in that a contact supporting piece (13) is arranged in the placing groove (10), an elastic piece (14) is arranged between the bottom of the placing groove (10) and the contact supporting piece (13), when elastic potential energy stored by the elastic piece (14) is zero, the upper surface of the contact supporting piece (13) and the upper surface of the supporting plate (1) are located on the same plane, and the contact supporting piece (13) and the elastic piece (14) are made of alkali-resistant insulating materials or coated with alkali-resistant insulating layers.
4. The mold for studying a metal-based aqueous battery according to claim 3, characterized in that: a plurality of limiting grooves (15) are formed in the inner peripheral side of the placing groove (10) along the height direction of the placing groove, and limiting blocks (16) in sliding connection with the limiting grooves (15) are arranged on the outer peripheral side of the contact piece (13).
5. The mold for studying a metal-based aqueous battery according to claim 1, characterized in that: the upper surface and the lower surface of the electrolytic cell (3) are respectively provided with an annular sealing groove (17); annular seal groove (17) have been seted up respectively to the upper surface of backup pad (1) and the lower surface of apron (5), be provided with sealing ring (18) in seal groove (17), the projection of seal groove (17) along electrolytic bath (3) direction of height is located the first through-hole (7) outside, the height that highly is greater than seal groove (17) of sealing ring (18).
6. The mold for studying a metal-based aqueous battery according to claim 1, characterized in that: the number of the sampling holes (8) is three, and the three sampling holes (8) are sequentially arranged along the height direction of the electrolytic cell (3); the sampling hole (8) in the middle part is equidistant from the upper surface and the lower surface of the electrolytic cell (3).
7. The mold for studying a metal-based aqueous battery according to claim 1, characterized in that: and the first electrode (4) and at least one group of combined modules consisting of an electrolytic cell (3) and a second electrode (2) are sequentially arranged between the cover plate (5) and the support plate (1) from the cover plate (5) to the support plate (1).
8. The mold for studying a metal-based aqueous battery according to claim 7, characterized in that: a third electrode (19) is arranged in the first through hole (7), a lead is arranged on the third electrode (19) and is exposed to the outer peripheral side of the electrolytic cell (3) through the sampling hole (8), and the third electrode (19) is made of porous metal.
9. The mold for studying a metal-based aqueous battery according to claim 1, characterized in that: the fastening piece (6) comprises a plurality of bolts (20), nuts (21) and gaskets (22) which are matched with one another, a plurality of first positioning holes (23) are formed in the supporting plate (1) along the height direction of the supporting plate, a plurality of second positioning holes (24) are formed in the electrolytic cell (3) along the height direction of the electrolytic cell, a plurality of third positioning holes (25) are formed in the cover plate (5) along the height direction of the cover plate, and the bolts (20), the nuts (21), the gaskets (22), the first positioning holes (23), the second positioning holes (24) and the third positioning holes (25) are equal in number and correspond to one another; one end, close to the nut (21), of the bolt (20) is an inserting end, one section, far away from the nut (21), of the bolt (20) is a fixed end, the inserting end of the bolt (20) is in inserting fit with the first positioning hole (23), the second positioning hole (24) and the third positioning hole (25), and the gasket (22) is located between the fixed end of the bolt (20) and the cover plate (5); and a sealing cover (26) is arranged at one end of the sealing plug (9) far away from the electrolytic cell (3), and the sealing plug (9) and the sealing cover (26) are provided with a test hole along the central axis thereof.
10. A mold for studying a metal-based aqueous battery, characterized in that: the device comprises a cover plate (5), a support plate (1) and a fastener (6), wherein the fastener (6) is used for limiting the distance between the support plate (1) and the cover plate (5); at least one first electrode (4), at least one electrolytic cell (3) and at least one second electrode (2) are arranged between the cover plate (5) and the support plate (1), and a first through hole (7) is formed in the middle of the electrolytic cell (3) along the height direction of the electrolytic cell; the adjacent first electrodes (4) are abutted with the electrolytic cell (3), and the adjacent first electrodes (4) are abutted with the cover plate (5); the adjacent second electrodes (2) are abutted with the supporting plate (1), and the adjacent second electrodes (2) are abutted with the electrolytic cell (3); a plurality of sampling holes (8) are formed in the outer peripheral side of the electrolytic cell (3), and the sampling holes (8) are communicated with the first through hole (7); a sealing plug (9) is arranged on the outer peripheral side of the electrolytic cell (3), and the sealing plug (9) is in plug-in fit with the sampling hole (8);
a placing groove (10) is formed in one side, close to the cover plate (5), of the supporting plate (1), a second through hole (11) is formed in the second electrode (2) adjacent to the supporting plate (1), the projection of the second through hole (11) in the height direction of the electrolytic cell (3) is located on the inner side of the first through hole (7), and a porous metal electrode (12) is arranged in the placing groove (10);
the elastic supporting device is characterized in that a contact piece (13) is arranged in the placing groove (10), an elastic piece (14) is arranged between the bottom of the placing groove (10) and the contact piece (13), when the elastic potential energy stored by the elastic piece (14) is zero, the upper surface of the contact piece (13) and the upper surface of the supporting plate (1) are located on the same plane, and the contact piece (13) and the elastic piece (14) are made of alkali-resistant insulating materials or coated with alkali-resistant insulating layers;
a plurality of limiting grooves (15) are formed in the inner peripheral side of the placing groove (10) along the height direction of the placing groove, and limiting blocks (16) in sliding connection with the limiting grooves (15) are arranged on the outer peripheral side of the contact piece (13);
the upper surface and the lower surface of the electrolytic cell (3) are respectively provided with an annular sealing groove (17); the upper surface of the supporting plate (1) and the lower surface of the cover plate (5) are respectively provided with an annular sealing groove (17), a sealing ring (18) is arranged in the sealing groove (17), the projection of the sealing groove (17) in the height direction of the electrolytic cell (3) is positioned outside the first through hole (7), and the height of the sealing ring (18) is greater than that of the sealing groove (17);
the number of the sampling holes (8) is three, and the three sampling holes (8) are sequentially arranged along the height direction of the electrolytic cell (3); the sampling hole (8) positioned in the middle part has equal distance with the upper surface and the lower surface of the electrolytic cell (3);
a first electrode (4) and at least one group of combined modules consisting of an electrolytic cell (3) and a second electrode (2) are sequentially arranged between the cover plate (5) and the support plate (1) from the cover plate (5) to the support plate (1);
a third electrode (19) is arranged in the first through hole (7), a lead is arranged on the third electrode (19) and is exposed to the outer peripheral side of the electrolytic cell (3) through the sampling hole (8), and the third electrode (19) is made of porous metal;
the fastening piece (6) comprises a plurality of bolts (20), nuts (21) and gaskets (22) which are matched with one another, a plurality of first positioning holes (23) are formed in the supporting plate (1) along the height direction of the supporting plate, a plurality of second positioning holes (24) are formed in the electrolytic cell (3) along the height direction of the electrolytic cell, a plurality of third positioning holes (25) are formed in the cover plate (5) along the height direction of the cover plate, and the bolts (20), the nuts (21), the gaskets (22), the first positioning holes (23), the second positioning holes (24) and the third positioning holes (25) are equal in number and correspond to one another; one end, close to the nut (21), of the bolt (20) is an inserting end, one section, far away from the nut (21), of the bolt (20) is a fixed end, the inserting end of the bolt (20) is in inserting fit with the first positioning hole (23), the second positioning hole (24) and the third positioning hole (25), and the gasket (22) is located between the fixed end of the bolt (20) and the cover plate (5); and a sealing cover (26) is arranged at one end of the sealing plug (9) far away from the electrolytic cell (3), and the sealing plug (9) and the sealing cover (26) are provided with a test hole along the central axis thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921705846.XU CN211528275U (en) | 2019-10-12 | 2019-10-12 | Mold for researching metal-based water-based battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921705846.XU CN211528275U (en) | 2019-10-12 | 2019-10-12 | Mold for researching metal-based water-based battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211528275U true CN211528275U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921705846.XU Expired - Fee Related CN211528275U (en) | 2019-10-12 | 2019-10-12 | Mold for researching metal-based water-based battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211528275U (en) |
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2019
- 2019-10-12 CN CN201921705846.XU patent/CN211528275U/en not_active Expired - Fee Related
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Granted publication date: 20200918 |