CN116759666A - Impurity removing device for electrolyte of lithium ion battery - Google Patents
Impurity removing device for electrolyte of lithium ion battery Download PDFInfo
- Publication number
- CN116759666A CN116759666A CN202310727228.XA CN202310727228A CN116759666A CN 116759666 A CN116759666 A CN 116759666A CN 202310727228 A CN202310727228 A CN 202310727228A CN 116759666 A CN116759666 A CN 116759666A
- Authority
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- Prior art keywords
- pipe
- electrolyte
- fixed
- filter
- lithium ion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003792 electrolyte Substances 0.000 title claims abstract description 48
- 239000012535 impurity Substances 0.000 title claims abstract description 26
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 24
- 239000002808 molecular sieve Substances 0.000 claims abstract description 20
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000011261 inert gas Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 10
- 238000006138 lithiation reaction Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 210000003437 trachea Anatomy 0.000 description 6
- 239000008151 electrolyte solution Substances 0.000 description 5
- 229910003002 lithium salt Inorganic materials 0.000 description 5
- 159000000002 lithium salts Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4242—Regeneration of electrolyte or reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Hybrid Cells (AREA)
Abstract
The invention discloses a device for removing impurities from electrolyte for a lithium ion battery, which comprises a supporting seat, wherein a rotating shaft is rotatably sleeved on the supporting seat, an electric rotating mechanism for driving the rotating shaft to rotate is installed on the supporting seat, an installation seat is fixedly sleeved on the rotating shaft, a first filter barrel and a second filter barrel are respectively fixed at two ends of the installation seat, two circulating pipes are communicated between the first filter barrel and the second filter barrel, a filter cover is installed on a pipe section of each circulating pipe through a flange, a lithiated molecular sieve is filled in the filter cover, silk screens are fixed at two ends of the inside of each filter cover, and a fourth electromagnetic valve is installed on the pipe sections at two ends of each circulating pipe. The invention can realize the circulating filtration and improve the filtering effect; one group can be put into use in real time when one group needs to be maintained, the time of shutdown maintenance is reduced, and the filtering efficiency is improved.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a device for removing impurities from electrolyte for a lithium ion battery.
Background
Lithium batteries are carriers for ion transport in batteries. Generally consisting of and. The electrolyte plays a role in conducting ions between the positive electrode and the negative electrode of the lithium battery, and ensures the advantages of obtaining, high specific energy and the like. The electrolyte is generally prepared from high-purity organic solvent, lithium salt, necessary additives and other raw materials according to a certain proportion under certain conditions.
The most common impurities in lithium batteries are moisture, the moisture can decompose lithium salts (such as lithium hexafluorophosphate) and possibly react with organic solvents to generate corresponding alcohols, limited lithium ions are consumed when the batteries work due to the existence of the moisture, substances such as LiOH and Li2O, HF which are unfavorable for improving the electrochemical performance of electrodes are generated, meanwhile, a large amount of gas generated by the reaction can increase the internal pressure of the batteries, unsafe factors are brought, the performances such as charge and discharge and cycle efficiency of the lithium ion batteries are obviously reduced along with the increase of the water content in the electrolyte, the lithium ion batteries cannot be basically used when the water content exceeds 0.1%, and for the phenomena, we know how to better remove the moisture in the lithium batteries is an important research direction for improving the quality of the lithium batteries.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a device for removing impurities from electrolyte for a lithium ion battery.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an edulcoration device of electrolyte for lithium ion battery, includes the supporting seat, the pivot has been cup jointed in the rotation on the supporting seat, install the electronic rotary mechanism that is used for driving the pivot rotation on the supporting seat, fixed the cup joint in the pivot has the mount pad, the both ends of mount pad are fixed with first filter vat and second filter vat respectively, the intercommunication has two circulating pipes between first filter vat and the second filter vat, install the filter mantle through the flange on the pipeline section of circulating pipe, the inside packing of filter mantle has the lithiation molecular sieve, the inside both ends of filter mantle all are fixed with the silk screen, all install the fourth solenoid valve on the both ends pipeline section of circulating pipe.
Preferably, the first filter vat is communicated with a first material pipe, and a first electromagnetic valve is arranged on a pipe section of the first material pipe.
Preferably, the second filter vat is communicated with a second material pipe, and a second electromagnetic valve is arranged on a pipe section of the second material pipe.
Preferably, the bottom of supporting seat is fixed with the bottom plate, be fixed with the fixed plate on the bottom plate, install inert gas output mechanism on the fixed plate, the side of second filter vat is run through there is first trachea, install the third solenoid valve on the tracheal section of first, first trachea intercommunication has the second trachea, the inside at the second filter vat is fixed to the second trachea, the second trachea intercommunication has a plurality of third trachea, the exhaust hole has been seted up to the tracheal side of third.
Preferably, the inert gas output mechanism comprises an inert gas compressed gas tank, a hose, a pressure regulating valve and a fifth electromagnetic valve, wherein the inert gas compressed gas tank is fixed on the fixed plate, the inert gas compressed gas tank is communicated with the hose, and the fifth electromagnetic valve is arranged on the pipe section of the hose.
Preferably, both ends of the filter cover are conical, a pressure regulating valve is installed on a pipe section of the hose, a second quick pipe joint is installed at a port of the hose, and a first quick pipe joint is installed at a port of the first air pipe.
Preferably, the electric rotating mechanism comprises a fixed seat, a motor, a worm and a worm wheel, wherein the fixed seat is fixed on the supporting seat, the motor is installed on the fixed seat, an output shaft of the motor is connected with the worm, and the worm wheel is fixedly sleeved on the rotating shaft.
Preferably, the two end pipe sections of the circulating pipe are communicated with a sampling pipe, and the pipe section of the sampling pipe is provided with a ball valve.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the motor drives the worm to rotate, the worm can drive the rotating shaft to rotate through the engagement with the worm wheel, the rotating shaft drives the mounting seat to rotate, and the mounting seat drives the first filter vat and the second filter vat to realize overturning, so that electrolyte can reach the other filter vat from one filter vat through the circulating pipe and the filter mantle, and the electrolyte is filtered through the lithiated molecular sieve, thereby removing water, realizing cyclic filtration through repeated overturning, and improving the filtering effect; the circulating pipe is connected with the filter cover through a flange, so that the filter cover is convenient to disassemble and assemble;
2. in the invention, after the electrolyte is subjected to the lithiation molecular sieve to remove impurities, the electrolyte preparation process and the water introduced into the electrolyte lithium salt can be further removed, hydrogen fluoride can be primarily removed, and meanwhile, as the molecular sieve has an ion exchange function, other metal ions with higher content in the electrolyte can be exchanged with lithium in the lithiation molecular sieve, so that the content of other metal impurity ions in the electrolyte is reduced;
3. in the invention, the silk screen is used for preventing the lithiated molecular sieve from escaping from the filter cover; the two groups of filter covers can be used for one group, and when one group needs to be maintained, the other group can be put into use in real time, so that the time of shutdown maintenance is reduced, and the filtering efficiency is improved;
4. according to the invention, the second quick pipe joint is connected with the first quick pipe joint, and inert gas can be introduced into the second filter vat through the hose, the first air pipe, the second air pipe, the third air pipe and the exhaust hole, so that bubbles in the electrolyte can be removed, and the purifying effect of the electrolyte is improved; the electrolyte can be sampled through the sampling tube and used for inspection to detect the water content.
Drawings
Fig. 1 is a schematic structural diagram of an impurity removing device for an electrolyte for a lithium ion battery according to the present invention;
fig. 2 is a cross-sectional view of a filter housing of an impurity removing device for an electrolyte for a lithium ion battery according to the present invention;
fig. 3 is a cross-sectional view of a second filter vat of the impurity removing device for lithium ion battery electrolyte provided by the invention;
fig. 4 is a schematic structural diagram of an inert gas output mechanism of an impurity removing device for an electrolyte for a lithium ion battery according to the present invention;
fig. 5 is a schematic structural diagram of an electric rotating mechanism of an impurity removing device for an electrolyte for a lithium ion battery according to the present invention;
fig. 6 is a schematic structural diagram of a mounting seat of an impurity removing device for an electrolyte for a lithium ion battery according to the present invention.
In the figure: 1 a bottom plate, 2 a supporting seat, 3 an electric rotating mechanism, 31 a fixed seat, 32 motors, 33 worms, 34 worm wheels, 4 rotating shafts, 5 installation seats, 6 first filter barrels, 7 first electromagnetic valves, 8 first material pipes, 9 second filter barrels, 10 circulating pipes, 11 filter covers, 12 fixed plates, 13 inert gas output mechanisms, 131 inert gas compressed gas tanks, 132 hoses, 133 pressure regulating valves, 134 fifth electromagnetic valves, 14 second material pipes, 15 second electromagnetic valves, 16 first air pipes, 17 third electromagnetic valves, 18 second quick connectors, 19 second air pipes, 20 third air pipes, 21 exhaust holes, 22 silk screens, 23 lithiated molecular sieves, 24 fourth electromagnetic valves, 25 sampling pipes and 26 ball valves.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-6, an electrolytic solution impurity removing device for lithium ion battery comprises a supporting seat 2, a rotating shaft 4 is rotatably sleeved on the supporting seat 2, an electric rotating mechanism 3 for driving the rotating shaft 4 to rotate is arranged on the supporting seat 2, the electric rotating mechanism 3 is used for driving the rotating shaft 4 to rotate, the rotating shaft 4 drives a mounting seat 5 to rotate, the mounting seat 5 drives a first filter vat 6 and a second filter vat 9 to realize overturning, so that the electrolytic solution can reach the other filter vat from one filter vat through a circulating pipe 10 and a filter mantle 11, the electrolytic solution is filtered through a lithiation molecular sieve 23, thereby removing water, realizing circulating filtration through repeated overturning, improving the filtering effect, the mounting seat 5 is fixedly sleeved on the rotating shaft 4, two circulating pipes 10 are respectively fixed at two ends of the mounting seat 5, the first filter vat 6 and the second filter vat 9 are communicated, the filter cover 11 is arranged on the pipe section of the circulating pipe 10 through a flange, the circulating pipe 10 and the filter cover 11 are connected through a flange, the disassembly and the assembly are convenient, the lithiation molecular sieve 23 is filled in the filter cover 11, after the electrolyte is subjected to the lithiation molecular sieve 23 to remove impurities, the electrolyte preparation process and the water introduced in the electrolyte lithium salt can be further removed, hydrogen fluoride can be primarily removed, meanwhile, because the molecular sieve has an ion exchange function, other metal ions with higher content in the electrolyte can be exchanged with lithium in the lithiation molecular sieve, thereby reducing the content of other metal impurity ions in the organic electrolyte, the silk screens 22 are fixed at the two ends of the inner part of the filter cover 11 and are used for preventing the lithiation molecular sieve 23 from exiting the filter cover 11, the fourth electromagnetic valve 24 is arranged on the pipe sections at the two ends of the circulating pipe 10, the first filter barrel 6 is communicated with the first material pipe 8, the first electromagnetic valve 7 is installed on the pipe section of the first material pipe 8, the second filter vat 9 is communicated with the second material pipe 14, the second electromagnetic valve 15 is installed on the pipe section of the second material pipe 14, two groups of filter covers 11 are arranged, one group can be used for one time, the other group can be put into use in real time when one group needs to be maintained, the time of shutdown maintenance is reduced, and the filtering efficiency is improved.
Referring to fig. 1, 3 and 4, a bottom plate 1 is fixed at the bottom of a supporting seat 2, a fixed plate 12 is fixed on the bottom plate 1, an inert gas output mechanism 13 is installed on the fixed plate 12, a first air pipe 16 penetrates through the side edge of a second filter vat 9, a third electromagnetic valve 17 is installed on the pipe section of the first air pipe 16, the first air pipe 16 is communicated with a second air pipe 19, the second air pipe 19 is fixed in the second filter vat 9, the second air pipe 19 is communicated with a plurality of third air pipes 20, an exhaust hole 21 is formed in the side edge of the third air pipe 20, the inert gas output mechanism 13 comprises an inert gas compressed air tank 131, a hose 132, a pressure regulating valve 133 and a fifth electromagnetic valve 134, the inert gas compressed air tank 131 is fixed on the fixed plate 12, the inert gas compressed air tank 131 is communicated with the hose 132, the fifth electromagnetic valve 134 is installed on the pipe section of the hose 132, both ends of the filter mantle 11 are conical, a pressure regulating valve 133 is installed on the pipe section of the hose 132, a second quick pipe 135 is installed on the port of the hose 132, a first quick pipe joint 18 is installed on the port of the first air pipe 16, an air pipe joint 18 is connected with the quick pipe joint 135 and the quick pipe 18, the quick pipe joint can be driven by the quick pipe joint 18 and the quick pipe joint is connected with the quick pipe 18, the quick pipe joint 20, the air can be blown into the electrolyte solution through the second air pipe 21 and the second air pipe 19, the electrolytic solution can be purified by the quick pipe joint 20, and the air joint is purified by the air in the second air pipe joint 20, and the air pipe joint is purified by the air pipe and the air pipe has the effect can be purified.
Referring to fig. 5, the electric rotating mechanism 3 includes a fixed seat 31, a motor 32, a worm 33, and a worm wheel 34, the fixed seat 31 is fixed on the supporting seat 2, the motor 32 is installed on the fixed seat 31, an output shaft of the motor 32 is connected with the worm 33, the worm wheel 34 is fixedly sleeved on the rotating shaft 4, the motor 32 drives the worm 33 to rotate, and the worm 33 can drive the rotating shaft 4 to rotate through meshing with the worm wheel 34.
Referring to fig. 2, the two end pipe sections of the circulation pipe 10 are respectively connected with a sampling pipe 25, a ball valve 26 is installed on the pipe section of the sampling pipe 25, and the electrolyte can be sampled through the sampling pipe 25 for inspection to detect the water content.
Working principle: the motor 32 drives the worm 33 to rotate, the worm 33 can drive the rotating shaft 4 to rotate through the engagement with the worm wheel 34, the rotating shaft 4 drives the mounting seat 5 to rotate, and the mounting seat 5 drives the first filter vat 6 and the second filter vat 9 to realize overturning, so that electrolyte can reach the other filter vat from one filter vat through the circulating pipe 10 and the filter mantle 11, and the electrolyte is filtered through the lithiated molecular sieve 23, so that moisture can be removed, and the circulating filtration can be realized through repeated overturning, and the filtering effect is improved; the circulating pipe 10 is connected with the filter cover 11 through a flange, so that the disassembly and the assembly are convenient; after the electrolyte is subjected to impurity removal through the lithiated molecular sieve 23, water introduced in the electrolyte preparation process and electrolyte lithium salt can be further removed, hydrogen fluoride can be primarily removed, and meanwhile, as the molecular sieve has an ion exchange function, other metal ions with higher content in the electrolyte can be exchanged with lithium in the lithiated molecular sieve, so that the content of other metal impurity ions in the electrolyte is reduced; the wire mesh 22 is used for preventing the lithiated molecular sieve 23 from exiting the filter housing 11; the two groups of filter covers 11 can be used for one to realize the standby, and when one group needs to be maintained, the other group can be put into use in real time, so that the time of shutdown maintenance is reduced, and the filtering efficiency is improved; the second quick connector 135 is connected with the first quick connector 18, and inert gas can be introduced into the second filter vat 9 through the hose 132, the first air pipe 16, the second air pipe 19, the third air pipe 20 and the exhaust hole 21, so that bubbles in the electrolyte can be removed, and the purifying effect of the electrolyte is improved; the electrolyte may be sampled by a sampling tube 25 for inspection to detect the water content.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides an edulcoration device of electrolyte for lithium ion battery, includes supporting seat (2), its characterized in that, rotating on supporting seat (2) has cup jointed pivot (4), install on supporting seat (2) and be used for driving rotatory electronic rotary mechanism (3) of pivot (4), fixed socket has installed mount pad (5) on pivot (4), the both ends of mount pad (5) are fixed with first filter vat (6) and second filter vat (9) respectively, the intercommunication has two circulating pipe (10) between first filter vat (6) and second filter vat (9), install filter mantle (11) through the flange on the pipeline section of circulating pipe (10), the inside packing of filter mantle (11) has lithiation molecular sieve (23), inside both ends of filter mantle (11) all are fixed with silk screen (22), all install fourth solenoid valve (24) on the both ends of pipeline section (10).
2. The impurity removing device for the electrolyte for the lithium ion battery according to claim 1, wherein the first filter barrel (6) is communicated with a first material pipe (8), and a first electromagnetic valve (7) is arranged on a pipe section of the first material pipe (8).
3. The impurity removing device for the electrolyte for the lithium ion battery according to claim 2, wherein the second filter barrel (9) is communicated with a second material pipe (14), and a second electromagnetic valve (15) is arranged on a pipe section of the second material pipe (14).
4. The impurity removing device for the electrolyte for the lithium ion battery according to claim 3, wherein a bottom plate (1) is fixed at the bottom of the supporting seat (2), a fixed plate (12) is fixed on the bottom plate (1), an inert gas output mechanism (13) is installed on the fixed plate (12), a first air pipe (16) penetrates through the side edge of the second filter vat (9), a third electromagnetic valve (17) is installed on the pipe section of the first air pipe (16), the first air pipe (16) is communicated with a second air pipe (19), the second air pipe (19) is fixed inside the second filter vat (9), a plurality of third air pipes (20) are communicated with the second air pipe (19), and exhaust holes (21) are formed in the side edge of the third air pipes (20).
5. The impurity removing device for the electrolyte for the lithium ion battery according to claim 4, wherein the inert gas output mechanism (13) comprises an inert gas compressed gas tank (131), a hose (132), a pressure regulating valve (133) and a fifth electromagnetic valve (134), the inert gas compressed gas tank (131) is fixed on the fixed plate (12), the inert gas compressed gas tank (131) is communicated with the hose (132), and the fifth electromagnetic valve (134) is installed on a pipe section of the hose (132).
6. The impurity removing device for the electrolyte for the lithium ion battery according to claim 5, wherein both ends of the filter cover (11) are conical, a pressure regulating valve (133) is installed on a pipe section of the hose (132), a second quick pipe joint (135) is installed at a port of the hose (132), and a first quick pipe joint (18) is installed at a port of the first air pipe (16).
7. The impurity removing device for the electrolyte for the lithium ion battery according to claim 1, wherein the electric rotating mechanism (3) comprises a fixed seat (31), a motor (32), a worm (33) and a worm wheel (34), the fixed seat (31) is fixed on the supporting seat (2), the motor (32) is installed on the fixed seat (31), an output shaft of the motor (32) is connected with the worm (33), and the worm wheel (34) is fixedly sleeved on the rotating shaft (4).
8. The impurity removing device for the electrolyte for the lithium ion battery according to claim 1, wherein the two end pipe sections of the circulating pipe (10) are respectively communicated with a sampling pipe (25), and a ball valve (26) is arranged on the pipe section of the sampling pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310727228.XA CN116759666A (en) | 2023-06-19 | 2023-06-19 | Impurity removing device for electrolyte of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310727228.XA CN116759666A (en) | 2023-06-19 | 2023-06-19 | Impurity removing device for electrolyte of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116759666A true CN116759666A (en) | 2023-09-15 |
Family
ID=87951012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310727228.XA Pending CN116759666A (en) | 2023-06-19 | 2023-06-19 | Impurity removing device for electrolyte of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116759666A (en) |
-
2023
- 2023-06-19 CN CN202310727228.XA patent/CN116759666A/en active Pending
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