CN110690407B - Electrolyte injector for lithium battery processing - Google Patents
Electrolyte injector for lithium battery processing Download PDFInfo
- Publication number
- CN110690407B CN110690407B CN201911110521.1A CN201911110521A CN110690407B CN 110690407 B CN110690407 B CN 110690407B CN 201911110521 A CN201911110521 A CN 201911110521A CN 110690407 B CN110690407 B CN 110690407B
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- Prior art keywords
- knob
- electrolyte
- lithium battery
- injection
- far away
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- Expired - Fee Related
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 54
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 44
- 238000002347 injection Methods 0.000 claims abstract description 66
- 239000007924 injection Substances 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 55
- 238000007789 sealing Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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
- H01M10/058—Construction or manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Filling, Topping-Up Batteries (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an electrolyte injector for lithium battery processing, which comprises a support, an injection tube and a clamping cap, wherein one end of the support is connected with a rotating shaft, the support is connected with a pressing handle through the rotating shaft and one end of the pressing handle, one end of the support, which is far away from the rotating shaft, is connected with a fixed seat, one side, extending out of the fixed seat, of an ejector rod is provided with an elasticity adjusting mechanism, one end of the injection tube is connected with the inside of the fixed seat, and the clamping cap penetrates through a needle tube and the connecting seat to be connected. This electrolyte syringe for lithium cell processing when needs carry out the regulation of press force degree to this syringe, through unscrewing or screwing up the knob among the elasticity adjustment mechanism for the one end of knob and fixing base carries out the screw thread and rotates, when the knob moves to the direction of being close to or keeping away from the support, can increase or reduce the distance between knob and the baffle, makes the spring not hard up or shrink, thereby conveniently realizes reducing or increasing to the press force degree.
Description
Technical Field
The invention relates to the technical field of lithium battery processing, in particular to an electrolyte injector for lithium battery processing.
Background
Lithium battery electrolytes are the carrier of ion transport in batteries and generally consist of a lithium salt and an organic solvent. The electrolyte plays a role in conducting ions between the positive electrode and the negative electrode of the lithium battery, and is a guarantee for the lithium battery to obtain the advantages of high voltage, high specific energy and the like. The electrolyte is generally prepared from raw materials such as a high-purity organic solvent, electrolyte lithium salt, necessary additives and the like according to a certain proportion under a certain condition, corresponding electrolyte needs to be injected into a battery in the processing process of the lithium battery, and the electrolyte needs to be injected according to the amount actually calculated when being injected, because the existing lithium battery injector is labor-consuming in injection and the corresponding injector is troublesome in assembly, therefore, the electrolyte injector for processing the lithium battery is expected to improve the use efficiency of the electrolyte injector for processing the lithium battery through innovation of the electrolyte injector for processing the lithium battery, and is convenient to assemble and adjust, so that the electrolyte injector for processing the lithium battery exerts the maximum value, along with the development of science and technology, the electrolyte injector for processing the lithium battery is developed to a great extent, and the development of the electrolyte injector brings great convenience to people when injecting and adding the electrolyte for processing the lithium battery, the variety and number thereof are also increasing day by day.
Although the types and the number of the electrolyte injectors for lithium battery processing on the market are very large, the electrolyte injectors for lithium battery processing have the following defects: electrolyte syringe is used in lithium cell processing not convenient to assemble, and electrolyte syringe is not convenient for electrolyte addition and lithium cell processing is not convenient for adjust the dynamics that the injection was pressed to electrolyte syringe for lithium cell processing. Therefore, the electrolyte injector for processing the lithium battery is improved.
Disclosure of Invention
The invention aims to provide an electrolyte injector for lithium battery processing, which is used for solving the problems that the electrolyte injector for lithium battery processing in the current market is inconvenient to assemble, the electrolyte injector for lithium battery processing is inconvenient for adding electrolyte and the electrolyte injector for lithium battery processing is inconvenient for adjusting the force of injection pressing in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an electrolyte injector for lithium battery processing comprises a support, an injection tube and a clamping cap, wherein one end of the support is connected with a rotating shaft, the support is connected with a pressing handle through the rotating shaft and one end of the pressing handle, a connecting column is arranged at one end of the inner side of the pressing handle, which is far away from the rotating shaft, wherein,
one end of the bracket, which is far away from the rotating shaft, is connected with the fixed seat, a through hole is formed in the fixed seat, an ejector rod is connected in the through hole, one end of the ejector rod, which is far away from the connecting column, is connected with the piston, an elastic adjusting mechanism is arranged on one side of the ejector rod, which extends out of the fixed seat, one end of the injection tube is connected with the inside of the fixed seat, annular teeth are arranged on one side of the injection tube, which is close to the fixed seat, and a scale bar is arranged on the surface of the injection tube;
the one end that the fixing base was kept away from to the injection syringe is provided with the drain pipe, the outside of drain pipe is provided with the connecting seat, the one end of drain pipe is connected with the needle tubing, press from both sides tight cap and run through the needle tubing and the connecting seat is connected, the top of injection syringe is fixed with annotates the liquid bottle, the top of annotating the liquid bottle is connected with the connection lid, the one side that the liquid bottle was kept away from to the connection lid is provided with annotates the liquid mouth, the connection lid is connected through annotating liquid mouth and closing cap.
Preferably, the fixed seat is in threaded connection with the injection tube, the cross section of the through hole in the fixed seat is matched with the cross section of the ejector rod, and the fixed seat forms a telescopic structure through the through hole and the ejector rod.
Preferably, the tightness adjusting mechanism comprises a knob, a spring and a baffle plate, one end of the fixing seat, which is far away from the injection tube, is connected with the knob, one side of the knob is connected with the spring, and one end of the spring, which is far away from the knob, is connected with the baffle plate.
Preferably, the inside of the knob is provided with threads, the knob is in threaded connection with the fixed seat, and the diameter of the knob is larger than that of the spring.
Preferably, the diameter of the annular tooth at one end of the injection tube is larger than that of the fixed seat, and the inner section size of the injection tube is matched with that of the piston.
Preferably, the inner section size of the liquid outlet pipe is matched with the section size of the needle tube, and the length of the liquid outlet pipe is matched with the depth inside the clamping cap.
Preferably, the outer side of the liquid filling opening above the connecting cover is provided with a thread, the section size of the outer side of the liquid filling opening above the connecting cover is matched with the section size of the inner part of the sealing cover, and the connecting cover forms a thread structure between the liquid filling opening and the sealing cover.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the electrolyte injector for processing the lithium battery, the ejector rod is inserted into the fixed seat, one end of the ejector rod is connected with the connecting column of the pressing handle, the piston is fixed to one end, far away from the connecting column, of the ejector rod, the injection tube and the fixed seat are driven to be in threaded connection through rotating the annular tooth, then the needle tube is inserted into one end of the inner portion of the liquid outlet tube, and the needle tube is clamped and fixed through threaded connection between the clamping cap and the connecting seat, so that the injector is convenient to assemble and fix;
(2) when electrolyte raw materials need to be added into the injector, the sealing cover above the connecting cover is unscrewed, so that the sealing cover is separated from the threaded connection with the liquid injection port, and the electrolyte is conveniently added into the liquid injection bottle through the liquid injection port;
(3) this electrolyte syringe for lithium cell processing when the needs carry out the regulation of pressing the pressure degree to this syringe, through the knob in the screw-out or the screw-down adjustment mechanism for the screw thread rotation is carried out to the one end of knob and fixing base, when the knob removes to the direction of being close to or keeping away from the support, can increase or reduce the distance between knob and the baffle, makes the spring not hard up or shrink, thereby conveniently realizes reducing or increasing to the extrusion force degree.
Drawings
FIG. 1 is a schematic diagram of a front view of an electrolyte injector for lithium battery processing according to the present invention;
FIG. 2 is a schematic cross-sectional view of the electrolyte injector for lithium battery processing according to the present invention;
fig. 3 is a schematic view of a rear cross-sectional explosion structure of an electrolyte injector for lithium battery processing according to the present invention;
FIG. 4 is an enlarged schematic structural view of the tightness adjusting mechanism of the electrolyte injector for lithium battery processing according to the present invention;
fig. 5 is a schematic view of the electrolyte injector for lithium battery processing according to the present invention, partially enlarged at a point a in fig. 2.
In the figure: 1. a support; 2. a rotating shaft; 3. pressing the handle; 4. connecting columns; 5. a fixed seat; 6. a through hole; 7. a top rod; 8. a piston; 9. a tightness adjusting mechanism; 901. a knob; 902. a spring; 903. a baffle plate; 10. an injection tube; 11. a ring gear; 12. a scale bar; 13. a liquid outlet pipe; 14. a connecting seat; 15. a needle tube; 16. a clamp cap; 17. a liquid injection bottle; 18. a connecting cover; 19. a liquid injection port; 20. and (7) sealing the cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an electrolyte injector for lithium battery processing comprises a support 1, a rotating shaft 2, a pressing handle 3, a connecting column 4, a fixed seat 5, a through hole 6, an ejector rod 7, a piston 8, an elastic adjusting mechanism 9, an injection tube 10, a circular ring tooth 11, a scale bar 12, a liquid outlet pipe 13, a connecting seat 14, a needle tube 15, a clamping cap 16, a liquid injection bottle 17, a connecting cover 18, a liquid injection port 19 and a sealing cover 20, wherein one end of the support 1 is connected with the rotating shaft 2, the pressing handle 3 is connected with the support 1 through the rotating shaft 2 and one end of the pressing handle 3, the connecting column 4 is arranged at one end of the inner side of the pressing handle 3, which is far away from the rotating shaft 2, wherein,
the end, far away from the rotating shaft 2, of the support 1 is connected with a fixed seat 5, the fixed seat 5 is in threaded connection with the injection tube 10, the cross-sectional dimension of a through hole 6 in the fixed seat 5 is matched with the cross-sectional dimension of a mandril 7, the fixed seat 5 forms a telescopic structure through the through hole 6 and the mandril 7, the mandril 7 can conveniently drive a piston 8 to telescopically move in the injection tube 10 by utilizing the telescopic structure formed by the fixed seat 5 through the through hole 6 and the mandril 7, the through hole 6 is formed in the fixed seat 5, the mandril 7 is connected in the through hole 6, one end, far away from a connecting column 4, of the mandril 7 is connected with the piston 8, one side, extending out of the fixed seat 5, of the mandril 7 is provided with a tightness adjusting mechanism 9, the tightness adjusting mechanism 9 comprises a knob 901, a spring 902 and a baffle 903, one end, far away from the injection tube 10, of the fixed seat 5 is connected with the knob 901, one side of the knob 901 is connected with a spring 902, one end of the spring 902, which is far away from the knob 901, is connected with a baffle 903, threads are arranged inside the knob 901, the knob 901 is in threaded connection with the fixed seat 5, the diameter of the knob 901 is larger than that of the spring 902, the knob 901 is in threaded connection with the fixed seat 5, the degree of extrusion pressure of the knob 901 on the spring 902 can be conveniently adjusted, so that the degree of pressing pressure when a hand is held by the hand can be conveniently adjusted, one end of the injection tube 10 is connected with the inside of the fixed seat 5, the diameter of the annular teeth 11 at one end of the injection tube 10 is larger than that of the fixed seat 5, the inside cross-sectional dimension of the injection tube 10 is matched with that of the piston 8, the diameter of the annular teeth 11 at one end of the injection tube 10 is larger than that of the fixed seat 5, and the injection tube 10 and the fixed seat 5 can be screwed tightly through the annular teeth 11, one side of the injection tube 10 close to the fixed seat 5 is provided with a circular ring tooth 11, and the surface of the injection tube 10 is provided with a scale bar 12;
one end of the injection tube 10 far away from the fixing seat 5 is provided with a liquid outlet tube 13, the internal section size of the liquid outlet tube 13 is matched with the section size of the needle tube 15, the length of the liquid outlet tube 13 is matched with the depth inside the clamping cap 16, the internal section size of the liquid outlet tube 13 is matched with the section size of the needle tube 15, the needle tube 15 can be conveniently replaced, electrolyte leakage is avoided, the outer side of the liquid outlet tube 13 is provided with a connecting seat 14, one end of the liquid outlet tube 13 is connected with the needle tube 15, the clamping cap 16 penetrates through the needle tube 15 and the connecting seat 14 to be connected, a liquid injection bottle 17 is fixed above the injection tube 10, a connecting cover 18 is connected above the liquid injection bottle 17, the outer side of a liquid injection port 19 above the connecting cover 18 is provided with threads, and the section size outside the liquid injection port 19 above the connecting cover 18 is matched with the section size inside the sealing cover 20, and the connecting cover 18 forms a thread structure through the liquid filling opening 19 and the sealing cover 20, the sealing cover 20 can be conveniently closed and opened to the liquid filling opening 19 by utilizing the thread structure formed by the connecting cover 18 through the liquid filling opening 19 and the sealing cover 20, so that the electrolyte can be conveniently added, the liquid filling opening 19 is arranged on one side of the connecting cover 18 far away from the liquid filling bottle 17, and the connecting cover 18 is connected with the sealing cover 20 through the liquid filling opening 19.
The working principle is as follows: when the electrolyte injector for lithium battery processing is used, firstly, the ejector rod 7 is inserted into the fixed seat 5, one end of the ejector rod 7 is connected with the connecting column 4 of the pressing handle 3, the piston 8 is fixed at one end of the ejector rod 7 far away from the connecting column 4, the injection tube 10 is driven to be in threaded connection with the fixed seat 5 by rotating the ring teeth 11, then the needle tube 15 is inserted into one end of the inner part of the liquid outlet tube 13, the needle tube 15 is clamped and fixed by the threaded connection between the clamping cap 16 and the connecting seat 14, so that the assembly and fixation of the injector are completed, then, when the electrolyte raw material is required to be added into the injector, the sealing cover 20 above the connecting cover 18 is unscrewed, so that the sealing cover 20 is separated from the threaded connection between the liquid injection port 19, the electrolyte can be added into the liquid injection bottle 17 through the liquid injection port 19, when the injector is required to be adjusted according to the pressure degree, by loosening or tightening the knob 901 of the loosening and adjusting mechanism 9, the knob 901 and one end of the fixed seat 5 are rotated in a thread manner, when the knob 901 moves towards or away from the bracket 1, the distance between the knob 901 and the flap 903 can be increased or decreased so that the spring 902 loosens or contracts, thereby achieving a decrease or increase in the degree of compression, which, in turn, when the syringe is used for injecting electrolyte into a designated lithium battery, the bracket 1 and the pressing handle 3 are held by hand, the piston 8 at one end of the mandril 7 moves in the injection tube 10 by pressing the bracket 1 and the pressing handle 3, the electrolyte is injected into the injection tube 10 from the liquid injection bottle 17, by the pushing of the piston 8, the electrolyte is injected into the appointed lithium battery from the needle tube 15 at one end of the liquid outlet tube 13, those not described in detail in this specification are within the skill of the art.
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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides an electrolyte syringe for lithium cell processing, includes support (1), injection syringe (10) and presss from both sides tight cap (16), its characterized in that: one end of the bracket (1) is connected with a rotating shaft (2), the bracket (1) is connected with a pressing handle (3) through the rotating shaft (2) and one end of the pressing handle (3), one end of the inner side of the pressing handle (3) far away from the rotating shaft (2) is provided with a connecting column (4), wherein,
one end, far away from the rotating shaft (2), of the support (1) is connected with the fixing seat (5), a through hole (6) is formed in the fixing seat (5), an ejector rod (7) is connected to the inside of the through hole (6), one end, far away from the connecting column (4), of the ejector rod (7) is connected with the piston (8), an elastic adjusting mechanism (9) is arranged on one side, extending out of the fixing seat (5), of the ejector rod (7), one end of the injection tube (10) is connected with the inside of the fixing seat (5), annular teeth (11) are arranged on one side, close to the fixing seat (5), of the injection tube (10), and scale bars (12) are arranged on the surface of the injection tube (10);
a liquid outlet pipe (13) is arranged at one end, far away from the fixing seat (5), of the injection pipe (10), a connecting seat (14) is arranged on the outer side of the liquid outlet pipe (13), a needle tube (15) is connected to one end of the liquid outlet pipe (13), a clamping cap (16) penetrates through the needle tube (15) and is connected with the connecting seat (14), a liquid injection bottle (17) is fixed above the injection pipe (10), a connecting cover (18) is connected above the liquid injection bottle (17), a liquid injection port (19) is formed in one side, far away from the liquid injection bottle (17), of the connecting cover (18), and the connecting cover (18) is connected with a sealing cover (20) through the liquid injection port (19);
the tightness adjusting mechanism (9) comprises a knob (901), a spring (902) and a baffle (903), one end, far away from the injection tube (10), of the fixed seat (5) is connected with the knob (901), one side of the knob (901) is connected with the spring (902), and one end, far away from the knob (901), of the spring (902) is connected with the baffle (903);
the inside of the knob (901) is provided with threads, the knob (901) is in threaded connection with the fixed seat (5), and the diameter of the knob (901) is larger than that of the spring (902).
2. The electrolyte injector for lithium battery processing as claimed in claim 1, wherein: the fixing seat (5) is in threaded connection with the injection tube (10), the section size of the through hole (6) in the fixing seat (5) is matched with that of the ejector rod (7), and the fixing seat (5) forms a telescopic structure through the through hole (6) and the ejector rod (7).
3. The electrolyte injector for lithium battery processing as claimed in claim 1, wherein: the diameter of the circular ring teeth (11) at one end of the injection tube (10) is larger than that of the fixed seat (5), and the internal section size of the injection tube (10) is matched with that of the piston (8).
4. The electrolyte injector for lithium battery processing as claimed in claim 1, wherein: the internal section size of the liquid outlet pipe (13) is matched with the section size of the needle tube (15), and the length of the liquid outlet pipe (13) is matched with the depth inside the clamping cap (16).
5. The electrolyte injector for lithium battery processing as claimed in claim 1, wherein: the outer side of the liquid injection port (19) above the connecting cover (18) is provided with threads, the section size of the outer side of the liquid injection port (19) above the connecting cover (18) is matched with the section size of the inner part of the sealing cover (20), and the connecting cover (18) forms a threaded structure through the space between the liquid injection port (19) and the sealing cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110521.1A CN110690407B (en) | 2019-11-14 | 2019-11-14 | Electrolyte injector for lithium battery processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110521.1A CN110690407B (en) | 2019-11-14 | 2019-11-14 | Electrolyte injector for lithium battery processing |
Publications (2)
| Publication Number | Publication Date |
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| CN110690407A CN110690407A (en) | 2020-01-14 |
| CN110690407B true CN110690407B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911110521.1A Expired - Fee Related CN110690407B (en) | 2019-11-14 | 2019-11-14 | Electrolyte injector for lithium battery processing |
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Family Cites Families (1)
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| JPWO2011105126A1 (en) * | 2010-02-24 | 2013-06-20 | 日立マクセル株式会社 | Positive electrode material, manufacturing method thereof, positive electrode for non-aqueous secondary battery and non-aqueous secondary battery |
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2019
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| CN102376934A (en) * | 2010-08-12 | 2012-03-14 | 中山天贸电池有限公司 | Battery fluid injection clamp |
| CN102370527A (en) * | 2011-08-26 | 2012-03-14 | 王喜增 | Adjustable continuous injector |
| CN203555855U (en) * | 2013-10-15 | 2014-04-23 | 绍兴万佳器械有限公司 | Continuous type injector for animals |
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| Publication number | Publication date |
|---|---|
| CN110690407A (en) | 2020-01-14 |
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