CN108899200A - A kind of recombiner condenser, preparation method and application - Google Patents
A kind of recombiner condenser, preparation method and application Download PDFInfo
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- CN108899200A CN108899200A CN201810457807.6A CN201810457807A CN108899200A CN 108899200 A CN108899200 A CN 108899200A CN 201810457807 A CN201810457807 A CN 201810457807A CN 108899200 A CN108899200 A CN 108899200A
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- recombiner condenser
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- out piece
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- 238000002360 preparation method Methods 0.000 title claims description 9
- 239000003990 capacitor Substances 0.000 claims abstract description 39
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 29
- 239000011737 fluorine Substances 0.000 claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000012212 insulator Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 15
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 239000003792 electrolyte Substances 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 239000011324 bead Substances 0.000 claims description 13
- 239000000565 sealant Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 229910001386 lithium phosphate Inorganic materials 0.000 claims 1
- 230000000649 photocoagulation Effects 0.000 claims 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 229910001290 LiPF6 Inorganic materials 0.000 description 6
- 230000006399 behavior Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910019256 POF3 Inorganic materials 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 229910004014 SiF4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- SOZVEOGRIFZGRO-UHFFFAOYSA-N [Li].ClS(Cl)=O Chemical compound [Li].ClS(Cl)=O SOZVEOGRIFZGRO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 1
- FFUQCRZBKUBHQT-UHFFFAOYSA-N phosphoryl fluoride Chemical compound FP(F)(F)=O FFUQCRZBKUBHQT-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
- H01G2/103—Sealings, e.g. for lead-in wires; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/003—Apparatus or processes for encapsulating capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/12—Protection against corrosion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The present invention provides a kind of recombiner condenser, and capacitor includes capacitor winding assembly, the anti-fluorine lid that accommodates the shell of capacitor winding assembly and match with shell, and shell and capacitor winding assembly form cavity, and anti-fluorine lid seals recombiner condenser;Capacitor winding assembly includes capacitor core, positive leading-out piece and cathode leading-out piece, and capacitor core is coaxial winding-structure, and positive leading-out piece and cathode leading-out piece are arranged in capacitor core both ends, cathode leading-out piece and cage connection;Anti- fluorine lid includes the positive pole piece for being in inverted " t ", the cover for being divided into the insulator of positive pole piece two sides and connecting with the insulator, positive leading-out piece is connect with positive pole piece, and the material of composite insulator includes one or both of not silica containing glass or not silica containing ceramics.The beneficial effects of the present invention are the service life that recombiner condenser all-sealed structure improves recombiner condenser, recombiner condenser is able to take the variation of -40~85 DEG C of broad temperature ranges, and chemical property is more excellent.
Description
Technical field
The present invention is battery and capacitor field, and in particular to a kind of recombiner condenser, preparation method and application.
Background technique
With the continuous development of technology of Internet of things and national smart grid, industrial control product, battery and recombiner condenser are produced
The performance requirement of product is higher and higher.Although lithium primary battery especially lithium thionyl chloride cell has wide temperature range,
It is that it haves the shortcomings that significant voltage delay, multiplying power fan-out capability are weak.
The positive and negative anodes isolation of hermetically sealed recombiner condenser is to be sintered to be formed with metal-glass, the electrolysis of present recombiner condenser
Liquid electrolyte component is all lithium hexafluoro phosphate(LiPF6)Material, the material can generate a small amount of free hydrofluoric acid(HF), hydrofluoric acid
Silica in etching glass(SiO2), and generate water(H2O), H2O continues and LiPF6Reaction generates HF, so causes to make
It is corroded for the glass insulation terminal of recombiner condenser positive and negative anodes is isolated, eventually leads to capacitor leakage failure.To avoid the feelings
The design of condition majority is isolated by the way of metal-plastic riveting, cannot because the temperature expansion coefficient of plastic-metal is different
Accomplish really hermetically sealed.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of recombiner condenser, preparation method and application.
Specific technical solution is as follows:
A kind of recombiner condenser, the difference is that, the capacitor includes capacitor winding assembly, accommodates the capacitor winding
The shell of component and the anti-fluorine lid matched with the shell, the shell and the capacitor winding assembly form cavity, described
Anti- fluorine lid seals the recombiner condenser;
The capacitor winding assembly includes capacitor core, positive leading-out piece and cathode leading-out piece, and the capacitor core is coaxial volume
Around structure, the anode leading-out piece and the cathode leading-out piece are arranged at capacitor core both ends, the cathode leading-out piece with
The cage connection;
The anti-fluorine lid include in inverted " t " positive pole piece, be divided into the positive pole piece two sides insulator and with the insulator
The cover of connection, the anode leading-out piece are connect with the positive pole piece, and the material of the composite insulator includes being free of titanium dioxide
One or both of the glass of silicon or not silica containing ceramics;
In above-mentioned technical proposal, the electrolyte of the ingredient containing lithium hexafluoro phosphate is perfused in the recombiner condenser;The cover is set
There are liquid injection hole and sealant beads, in the cavity that shell described in the electrolyte filling and the capacitor winding assembly are formed, uses institute
It states sealant beads and seals the liquid injection hole.
In above-mentioned technical proposal, the anode leading-out piece and the positive plate laser welding, the cathode leading-out piece and institute
State shell laser welding, the anti-fluorine lid and the shell laser welding.
In above-mentioned technical proposal, laser fusion welding is used between the anti-fluorine lid and the shell.
In above-mentioned technical proposal, the material of the shell, positive pole piece and the sealant beads is stainless steel.
A kind of preparation method of above-mentioned recombiner condenser, the difference is that, include the following steps:
A:After the insulator, cover and positive pole piece again mold fixation, high temperature sintering is carried out under inert gas protection, is burnt
Cool down after forming type, is then processed by shot blasting that the anti-fluorine lid is made;
B:The cathode leading-out piece is spoted weld on the shell, vacuum drying is then carried out and removes moisture removal, it, will be described after dry
Positive leading-out piece is spoted weld in low moisture environments on the positive pole piece;
C:It after the anti-fluorine lid is pressed into the shell, is sintered and is melted together with laser welder in low moisture environments, formed
Semi-finished product;
D:The electrolyte is injected into the semi-finished product in low moisture environments by liquid injection hole, it is then close with the sealant beads
Envelope, is made the recombiner condenser.
In above-mentioned technical proposal, inert gas described in step A is nitrogen, and the high temperature sintering temperature is 1400 DEG C or more;
Vacuum drying temperature described in step B is 80 DEG C ~ 90 DEG C, and drying time is 12 hours ~ 48 hours.
In above-mentioned technical proposal, step B, low moisture environments dew-point temperature described in C and step D is -40 DEG C, step D electrolyte
Injection rate be 1.0g ~ 1.4g, the sealant beads are pressed into the liquid injection hole with cylinder.
A kind of application of above-mentioned recombiner condenser, the difference is that, the use temperature range of the recombiner condenser
It is -40 DEG C ~ 85 DEG C.
The beneficial effects of the present invention are the uses of the anti-fluorine material of insulator, and corruption of the hydrofluoric acid to glass can be effectively prevented
Erosion avoids the failure of capacitor, cooperates welded seal technique, forms the all-sealed structure of recombiner condenser, further mention
The high service life of recombiner condenser;The metal coefficient of expansion identical with insulator glass material, make recombiner condenser be able to take-
The variation of 40~+85 DEG C of broad temperature ranges, chemical property is more excellent, and especially in ultralow temperature, advantage is more
It is obvious.
Detailed description of the invention
Fig. 1 is composite capacitor structure schematic diagram;
Wherein, 1- capacitor winding assembly, 2- shell, the anti-fluorine lid of 3-, 101- capacitor core, 102- anode leading-out piece, 103- cathode
Leading-out piece, the positive pole piece of 301-, 302- insulator, 303- cover, the non-anti-fluorine part of 3021-, the anti-fluorine part of 3022-, 3031- liquid injection hole,
3032- sealant beads, 4- laser fusion welding pearl, 5- electrolyte.
Fig. 2 is pulse behaviors of the recombiner condenser at -40 DEG C;
It is brighter in harsh low temperature environment performance than domestic and same kind of products at abroad using the totally-enclosed recombiner condenser of the technology of the present invention
It is aobvious good very much.
Fig. 3 is pulse behaviors of the recombiner condenser at -20 DEG C;
It is more preferable in low temperature environment performance compared to domestic and same kind of products at abroad using the totally-enclosed recombiner condenser of the technology of the present invention.
Fig. 4 is pulse behaviors of the recombiner condenser at 40 DEG C;
It is more preferable in hot environment performance compared to domestic and same kind of products at abroad using the totally-enclosed recombiner condenser of the technology of the present invention.
Fig. 5 is pulse behaviors of the recombiner condenser at 60 DEG C;
It is more preferable in hot environment performance compared to domestic and same kind of products at abroad using the totally-enclosed recombiner condenser of the technology of the present invention.
Fig. 6 is pulse behaviors of the recombiner condenser at 80 DEG C;
Using the totally-enclosed recombiner condenser of the technology of the present invention compared to domestic and same kind of products at abroad in harsh hot environment performance
It is with the obvious advantage.
Wherein, 1-1 of the present invention described in Fig. 2 ~ Fig. 6 is first time measurement data of the invention, and 1-2 of the present invention is of the invention
Second of measurement data;The home brands 1-1 is a kind of common home brands first time measurement data on the market, the country
Brand 1-2 second of measurement data of brand thus;The foreign brand name 2-1 is the first time of another common foreign brand name to measure number
According to second of measurement data of, foreign brand name 2-2 brand thus.
Specific embodiment
This programme is described in detail with attached drawing combined with specific embodiments below.
Embodiment
A kind of recombiner condenser, the difference is that, the capacitor includes capacitor winding assembly 1, accommodates the electricity
The anti-fluorine lid 3 for holding the shell 2 of winding assembly and being matched with the shell, the shell 2 and the capacitor winding assembly 1 formation
Cavity, the anti-fluorine lid 3 seal the shell 2;
The capacitor winding assembly 1 includes capacitor core 101, positive leading-out piece 102 and cathode leading-out piece 103, the capacitor volume
Core 101 is coaxial winding-structure, and the anode leading-out piece 102 is arranged with the cathode leading-out piece 103 in the capacitor core 101
Both ends, the cathode leading-out piece 103 are connect with the shell 2;
The anti-fluorine lid 3 include in inverted " t " positive pole piece 301, be divided into the positive pole piece two sides insulator 302 and with it is described
The cover 303 of insulator connection, the anode leading-out piece 102 are connect with the positive pole piece 301, the material of the insulator 301
Including not silica containing glass or in not silica containing ceramics;Electrolyte in recombiner condenser electrolyte generally contains
There is LiPF6, LiPF6It meets water and following reactions occurs:LiPF6+H2O=2HF+LiF+POF3, due to can not on the make accomplish completely
Water-less environment, so there is free HF in electrolyte, and HF acid can be with the SiO in glass2It reacts:4HF+SiO2=2H2O
+SiF4, because there is the presence of water inside product, cyclic chemical effect is formed, is existed so the water of even trace also results in glass
It is corroded in lithium-ion electrolyte, the insulated terminal used in the present invention is using not silica containing glass or without titanium dioxide
Silicon ceramic material is to play the role of anti-fluorine corrosion.
Preferably, described to contain the not glass of silica or its not silica containing ceramic coefficient of expansion and steel material
It is similar, including silicate glass containing alpha -aluminum, silicon carbide ceramics or boron carbide ceramics.
Preferably, insulator 302 divides for anti-fluorine part 3022 and non-anti-fluorine part 3021, and the non-anti-fluorine part 3021 is by containing dioxy
The simple glass of SiClx or the material of conventional ceramic are made, and the anti-fluorine part 3022 is by not silica containing glass or not
Material containing ceramics is made, and the anti-fluorine part 3022 is directly contacted with the electrolyte inside, in this way solution fluorine-resistant material
The high problem of price, reduces cost.
Preferably, the electrolyte 5 of the ingredient containing lithium hexafluoro phosphate is perfused in the recombiner condenser;Its electrolyte is specifically matched
Fang Wei(Solvent component:DMC, EC, EMC, PC, DEC's is three kinds or more, content 80%~90%;Solute:LiPF6, content 5~
15%;0.5~5% VC additive), the electrolyte prescription can be that it does not freeze at -40 DEG C, viscosity does not increase, from
And guarantee use of the recombiner condenser in ultralow temperature.
The cover 303 is equipped with liquid injection hole 3031 and sealant beads 3032, and the shell 2 and institute is perfused in the electrolyte 5
In the cavity for stating the formation of capacitor winding assembly 1, the liquid injection hole 3031 is sealed with the sealant beads 3032, using sealant beads 3032
Direct machinery, which presses, after fluid injection can form metal with intermetallic close connection to reach sealing effect, rather than conventional
Carry out welded seal after aperture liquid filling again in lid group, reduce the difficulty of processing and manufacturing cost of product.
Preferably, the positive leading-out piece 102 and positive 301 laser welding of pole piece, the cathode leading-out piece 103 and institute
State 2 laser welding of shell, the anti-fluorine lid 3 and 2 laser welding of shell.
Preferably, it is provided with laser fusion welding pearl 4 between the anti-fluorine lid 3 and the shell 2, when laser welding, melts, into
One step ensure that the leakproofness between anti-fluorine lid group and shell.
Preferably, the material of the shell 2, positive pole piece 301 and the sealant beads 3032 is stainless steel.
A kind of preparation method of above-mentioned recombiner condenser, the difference is that, include the following steps:
A:After preparing the material of insulator 302, cover 303 and positive pole piece 301 mold being fixed again, under inert gas protection
High temperature sintering is carried out, cools down after sinter molding, is then processed by shot blasting that the anti-fluorine lid 3 is made;
B:The cathode leading-out piece 103 is spoted weld on the shell, vacuum drying is then carried out and removes moisture removal, it, will after dry
The anode leading-out piece 102 is spoted weld in low moisture environments on the positive pole piece 301;
C:After the anti-fluorine lid 3 is pressed into the shell 2, it is sintered and is melted together with laser welder in low moisture environments, shape
At semi-finished product;
D:The electrolyte 5 is injected into the semi-finished product in low moisture environments by liquid injection hole 3031, then with described close
It seals pearl 3032 to seal, the recombiner condenser is made.
Preferably, inert gas described in step A is nitrogen, and the high temperature sintering temperature is 1400 DEG C or more;Described in step B
Vacuum drying temperature is 80 DEG C ~ 90 DEG C, and drying time is 12 hours ~ 48 hours.
Preferably, step B, low moisture environments dew-point temperature described in C and step D is -40 DEG C, the injection rate of step D electrolyte
For 1.0g ~ 1.4g, the sealant beads are pressed into the liquid injection hole with cylinder.
A kind of application of above-mentioned recombiner condenser, the difference is that, the use temperature range of the recombiner condenser
It is -40 DEG C ~ 85 DEG C.Under the premise of insulator anti-fluorine materials'use, under the premise of anti-fluorine lid is not corroded by HF, using welding
Technique just can guarantee the leakproofness of its recombiner condenser.
The utilization of examples detailed above is merely to illustrate the protection scope that the present invention is not intended to limit the present invention.In addition, reading
After technology contents of the invention, those skilled in the art can make various changes, modification or modification, all this to the present invention
A little equivalent forms also belong within the required protection scope limited of the application.
Claims (9)
1. a kind of recombiner condenser, the difference is that, the capacitor includes capacitor winding assembly, accommodates the capacitor volume
Around the shell of component and the anti-fluorine lid matched with the shell, the shell and the capacitor winding assembly form cavity, institute
Anti- fluorine lid is stated to seal the recombiner condenser;
The capacitor winding assembly includes capacitor core, positive leading-out piece and cathode leading-out piece, and the capacitor core is coaxial volume
Around structure, the anode leading-out piece and the cathode leading-out piece are arranged at capacitor core both ends, the cathode leading-out piece with
The cage connection;
The anti-fluorine lid include in inverted " t " positive pole piece, be divided into the positive pole piece two sides insulator and with the insulator
The cover of connection, the anode leading-out piece are connect with the positive pole piece, and the material of the insulator includes not silica containing
One or both of glass or not silica containing ceramics.
2. a kind of recombiner condenser according to claim 1, which is characterized in that be perfused in the recombiner condenser containing hexafluoro
The electrolyte of lithium phosphate ingredient.
3. a kind of recombiner condenser according to claim 1, which is characterized in that the anode leading-out piece and the positive pole piece swash
Photocoagulation, the cathode leading-out piece and the shell laser welding.
4. a kind of recombiner condenser according to claim 1, which is characterized in that be provided between the cover and the shell
Laser fusion welding pearl.
5. a kind of recombiner condenser according to claim 1, which is characterized in that the shell, positive pole piece and the sealing
The material of pearl is stainless steel.
6. a kind of any one of claim 1 ~ 5 preparation method of recombiner condenser, which is characterized in that include the following steps:
A:After the material for preparing insulator, cover and positive pole piece again mold fixation, carry out under inert gas protection
High temperature sintering cools down after sinter molding, is then processed by shot blasting that the anti-fluorine lid is made;
B:The cathode leading-out piece is spoted weld on the shell, vacuum drying is then carried out and removes moisture removal, it, will be described after dry
Positive leading-out piece is spoted weld in low moisture environments on the positive pole piece;
C:It after the anti-fluorine lid is pressed into the shell, is sintered and is melted together with laser welder in low moisture environments, formed
Semi-finished product;
D:The electrolyte is injected into the semi-finished product in low moisture environments by liquid injection hole, it is then close with the sealant beads
Envelope, is made the recombiner condenser.
7. a kind of recombiner condenser preparation method according to claim 6, which is characterized in that inert gas described in step A is
Nitrogen, the high temperature sintering temperature are 1400 DEG C or more;Vacuum drying temperature described in step B is 80 DEG C ~ 90 DEG C, and drying time is
12 hours ~ 48 hours.
8. a kind of preparation method of recombiner condenser according to claim 6, which is characterized in that step B, described in C and step D
Low moisture environments dew-point temperature is -40 DEG C, and the injection rate of step D electrolyte is 1.0g ~ 1.4g, and the sealant beads are pressed into institute with cylinder
State liquid injection hole.
9. a kind of application of recombiner condenser of any one of claim 1 ~ 5, which is characterized in that the recombiner condenser makes
It is -40 DEG C ~ 85 DEG C with temperature range.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810457807.6A CN108899200A (en) | 2018-05-14 | 2018-05-14 | A kind of recombiner condenser, preparation method and application |
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CN201810457807.6A CN108899200A (en) | 2018-05-14 | 2018-05-14 | A kind of recombiner condenser, preparation method and application |
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CN201810457807.6A Pending CN108899200A (en) | 2018-05-14 | 2018-05-14 | A kind of recombiner condenser, preparation method and application |
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Cited By (1)
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CN114242451A (en) * | 2021-11-24 | 2022-03-25 | 安徽铜峰电子股份有限公司 | Capacitor electrode assembly structure and capacitor electrode assembly method |
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CN114242451A (en) * | 2021-11-24 | 2022-03-25 | 安徽铜峰电子股份有限公司 | Capacitor electrode assembly structure and capacitor electrode assembly method |
CN114242451B (en) * | 2021-11-24 | 2024-06-11 | 安徽铜峰电子股份有限公司 | Capacitor electrode assembly structure and capacitor electrode assembly method |
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