CN1624833A - Electrolyte for electrolytic condenser and capacitor using the electrolyte - Google Patents
Electrolyte for electrolytic condenser and capacitor using the electrolyte Download PDFInfo
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- CN1624833A CN1624833A CN 200310112466 CN200310112466A CN1624833A CN 1624833 A CN1624833 A CN 1624833A CN 200310112466 CN200310112466 CN 200310112466 CN 200310112466 A CN200310112466 A CN 200310112466A CN 1624833 A CN1624833 A CN 1624833A
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- electrolyte
- solvent
- solute
- several materials
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 65
- 239000003990 capacitor Substances 0.000 title claims abstract description 43
- 239000002904 solvent Substances 0.000 claims abstract description 49
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000654 additive Substances 0.000 claims abstract description 14
- 230000000996 additive effect Effects 0.000 claims abstract description 13
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 8
- 238000009835 boiling Methods 0.000 claims abstract description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- OTLNPYWUJOZPPA-UHFFFAOYSA-N 4-nitrobenzoic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1 OTLNPYWUJOZPPA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 16
- 229910019142 PO4 Inorganic materials 0.000 claims description 11
- 239000010452 phosphate Substances 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 11
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 10
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 10
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 8
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 claims description 8
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 8
- 239000000010 aprotic solvent Substances 0.000 claims description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims description 6
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims description 5
- 150000002440 hydroxy compounds Chemical class 0.000 claims description 5
- 150000002828 nitro derivatives Chemical class 0.000 claims description 5
- PMDCZENCAXMSOU-UHFFFAOYSA-N N-ethylacetamide Chemical compound CCNC(C)=O PMDCZENCAXMSOU-UHFFFAOYSA-N 0.000 claims description 4
- -1 p-nitrophenyl methyl Chemical group 0.000 claims description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 4
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 claims description 3
- GJYJYFHBOBUTBY-UHFFFAOYSA-N alpha-camphorene Chemical compound CC(C)=CCCC(=C)C1CCC(CCC=C(C)C)=CC1 GJYJYFHBOBUTBY-UHFFFAOYSA-N 0.000 claims description 3
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 3
- 150000002460 imidazoles Chemical class 0.000 claims description 3
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 2
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 claims description 2
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 claims description 2
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 2
- NPAXBRSUVYCZGM-UHFFFAOYSA-N carbonic acid;propane-1,2-diol Chemical compound OC(O)=O.CC(O)CO NPAXBRSUVYCZGM-UHFFFAOYSA-N 0.000 claims description 2
- WHRIKZCFRVTHJH-UHFFFAOYSA-N ethylhydrazine Chemical compound CCNN WHRIKZCFRVTHJH-UHFFFAOYSA-N 0.000 claims description 2
- 239000001530 fumaric acid Substances 0.000 claims description 2
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 claims description 2
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 claims description 2
- KERBAAIBDHEFDD-UHFFFAOYSA-N n-ethylformamide Chemical compound CCNC=O KERBAAIBDHEFDD-UHFFFAOYSA-N 0.000 claims description 2
- 239000001384 succinic acid Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 abstract description 16
- 239000011888 foil Substances 0.000 abstract 1
- 238000005476 soldering Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 2
- 150000001412 amines Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000693 micelle Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- RPAJSBKBKSSMLJ-DFWYDOINSA-N (2s)-2-aminopentanedioic acid;hydrochloride Chemical compound Cl.OC(=O)[C@@H](N)CCC(O)=O RPAJSBKBKSSMLJ-DFWYDOINSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002085 enols Chemical group 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001786 variscite Inorganic materials 0.000 description 1
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention discloses electrolyte used in the electrolytic capacitor and capacitor adopted the electrolyte. The electrolyte includes solvent and solute. The solvent includes main solvent and secondary solvent. The main solvent is high boiling non-proton such as N- methyl pyrrolidone. The weight percentage of the main solvent, the secondary solvent and the solute is that the main solvent is from forty percent to eighty two percent; the secondary solvent is from eight percent to thirty two percent; the solute is from six percent to twenty eight percent. The electrolyte of the invention also includes additive such as phosphoric acid, nitrodracylic acid. This can effectively solve the problem that the oxide film at the surface of the aluminum foil is eroded by the electrolyte at high temperature. The electrolyte of the capacitor could resist the solder-reflow temperature to 260 deg.C and sixty centigrade degree.
Description
Technical field
The present invention relates to electrolyte that a kind of electrolytic capacitor uses and the capacitor that adopts this electrolyte, more particularly, the present invention relates to a kind of is that the sheet type aluminum electrolytic capacitor of main solvent is with electrolyte and adopt the capacitor of this electrolyte with the N-methyl pyrrolidone.
Background technology
Along with electronic system product to light, thin, little direction develops and surface mounting technology in the extensive use aspect the complete electronic set, chip type has become the main flow of electronic devices and components development.Sheet type aluminum electrolytic capacitor is exactly a kind of electronic component that is applicable to surface mounting technology, and used electrolyte is a liquid, is called electrolyte.
According to prior art, in the electrolyte that sheet type aluminum electrolytic capacitor is used, its solvent adopts ethylene glycol, water, N more, then organic carboxyl acid and the salt thereof of adopting of dinethylformamide or its mixed system, solute more.Yet, there is following deficiency in this electrolyte: on the one hand, sheet type aluminum electrolytic capacitor will pass through Reflow Soldering when installing and using, highest temperature during Reflow Soldering can reach 260 ℃, under so high temperature, use the sheet type aluminum electrolytic capacitor of this electrolyte to occur problems such as micelle is protruding, aluminum hull is protruding easily, influenced the outward appearance of capacitor; On the other hand, this electrolyte also can produce very big steam pressure when bearing Reflow Soldering, and this steam pressure is easy to cause the damage distortion of capacitor.
Therefore, research can not produce high-vapor-pressure high temperature resistant, again and cause the electrolyte of capacitor distortion, becomes current focus.
Chinese patent application CN 95108042.3 discloses a kind of core shaped aluminium electrolys capasitor, and the vapour pressure that makes this electrolyte when soldering applies temperature is below the rock deformation pressure of its band end shell and joint filling material; The electrolyte of this electrolyte is made of amine salt or quaternary amine, and solvent is made of gamma-butyrolacton, and this electrolyte comprises physical absorption, exists and reacts the water that generates with chemical bond, and the pickup of the relative electrolyte of content of water is below 10%.
Chinese patent CN 87102200 discloses the electrolyte that a kind of electrolytic capacitor is used, this patent adopts aprotic solvent as solvent, adopt 1, the alkyl quaternaries of the enol form acid of 3-diketone is as solute, its advantage is to avoid making as CN 95108042.3 protonic solvent such as water, and stable operation when making the capacitor that adopts this type of electrolyte as surpass 100 ℃ under higher temperature.But this patent still can not guarantee to use under the high temperature capacitor performance of the electrolyte that it provided.
Summary of the invention
One of purpose of the present invention provides a kind of electrolyte for electrolytic capacitor, and this electrolyte can be high temperature resistant, and can not produce the vapour pressure that causes the capacitor distortion.
Electrolyte for electrolytic capacitor of the present invention comprises solvent and solute, and solvent comprises main solvent and secondary solvent, wherein main solvent adopts high boiling aprotic solvent, and main solvent, secondary solvent and solute shared percentage by weight in whole electrolyte is respectively: main solvent 40-82%, secondary solvent 8-32%, solute 6-28%.
In the above-mentioned electrolyte for electrolytic capacitor, main solvent preferably adopts the N-methyl pyrrolidone.Compare with the electrolyte of the aprotic solvent of common employing, the present invention adopts the aprotic solvent of higher boiling points such as N-methyl pyrrolidone, make the resistant to elevated temperatures ability of electrolyte strengthen greatly, thereby make the highest Reflow Soldering temperature that tolerates 260 ℃ of electrolytic capacitor, having avoided basically that micelle is protruding, aluminum hull is protruding etc. influences the phenomenon of capacitor outward appearance.Certainly, the present invention also can adopt except that the N-methyl pyrrolidone, other higher boiling point aprotic solvent.
In the electrolyte of the present invention, solvent for use is except containing the higher boiling point aprotic solvent, also contain secondary solvent, used secondary solvent is to be selected from a kind of material in following one group of material or the mixture of its several materials: gamma-butyrolacton, formamide, N-methylformamide, N-methylacetamide, N-ethyl-formamide, N-ethyl acetamide, N, dinethylformamide, N, N-dimethylacetylamide, N, N-diethylformamide, N, N-diethyl acetamide, ethylene carbonate, propylene glycol carbonate, dimethyl sulfoxide (DMSO) and ethyl hydrazine.
Preferably, used secondary solvent is a kind of in gamma-butyrolacton, formamide and the N-methylformamide or mixture that they are several.
In general, high boiling main solvent accounts for the larger proportion of total solvent amount, and the relative main solvent of secondary solvent will lack.But sometimes as the case may be, secondary solvent also can be crossed main solvent more.
In the electrolyte of the present invention, used solute is organic carboxyl acid and/or its salt, or the reaction product of organic base such as organic carboxyl acid and imidazoles, amine.Preferably, used solute is to be selected from a kind of material in following one group of material or the mixture of its several materials: phthalic acid, phthalate, fumaric acid, fumarate, succinic acid and succinate; More preferably, used solute is a kind of or several mixture in phthalate, fumarate and the succinate; Most preferably, used phthalate, fumarate and succinate are respectively its imidazole salts or triethylamine salts separately.
Above electrolyte is particularly suitable for aluminium electrolytic capacitor, especially sheet type aluminum electrolytic capacitor.
Can slowly corrode the oxide-film of aluminium foil surface at electrolyte at high temperature, and cause that the character of oxide-film changes, the problem that causes properties of product to worsen, the present invention adds additive in electrolyte, to improve the performance of electrolytic capacitor.Additive therefor accounts for the 0.1-4% of whole electrolyte total weight, can be a kind of or the mixture that they are several that is selected from the hydroxy compounds of the nitro compound of phosphoric acid, phosphate, phosphate, band phenyl ring and band phenyl ring, preferably be selected from a kind of in phosphoric acid, ammonium dihydrogen phosphate, ammonium hypophosphite, phosphate monoester, nitrophenol, paranitrobenzoic acid and the p-nitrophenyl methyl alcohol or mixture that they are several.
Be two class additives below preferred employing the among the present invention:
(1) a kind of in phosphoric acid, phosphate, the phosphate or mixture that they are several.For example, phosphoric acid, phosphate monoester, ammonium dihydrogen phosphate, ammonium hypophosphite etc.These materials can form the network-like variscite layer of one deck again on the alumite surface, play the effect of double shielding capacitor surface, thereby have suppressed the rise of leakage current effectively.
(2) a kind of or the mixture that they are several in the hydroxy compounds of the nitro compound of band phenyl ring and band phenyl ring.For example, nitrophenol, paranitrobenzoic acid, p-nitrophenyl methyl alcohol etc.The characteristics of this class material are to have the electronegativity group, can adsorb the hydrogen ion that electrolyte produces when repairing oxide-film, thereby can reduce the generation of hydrogen.Except cited above several materials, other have the nitro of negative electricity group and/or the benzene analog derivative of hydroxyl also can be used as the additive use.The present invention utilizes the nitro compound of band phenyl ring and is with the electronegativity group of the hydroxy compounds of phenyl ring can adsorb hydrionic principle, adds such material in electrolyte, makes
(1) the class additive really plays the effect of protection to capacitor.Therefore, preferably adopt (1) class and (2) class additive simultaneously.
Electrolyte of the present invention can adopt following method to be prepared:
A, with solvent heating, as be heated to 60 ℃-80 ℃;
B, solute or solute and additive added in the solvent in the lump further heat, and as temperature being risen to 80 ℃-100 ℃, and keep temperature, dissolve fully until the material that adds;
C, with step b gained mixed liquor cooling, promptly obtain electrolyte for electrolytic capacitor.
In above-mentioned steps c, the method for cooling can adopt natural cooling or artificial cooling.
Another object of the present invention provides a kind of electrolytic capacitor, and this electrolytic capacitor adopts electrolyte of the present invention.This electrolytic capacitor is preferably aluminium electrolytic capacitor, especially preferred sheet type aluminum electrolytic capacitor.
Adopt electrolyte of the present invention, the maximum temperature that aluminium electrolytic capacitor is born when Reflow Soldering is brought up to 260 ℃, does not produce metaboly substantially.And, because the adding of additive has increased layer protective layer, thereby reduced the erosion of the electrolyte under the high temperature to the oxide-film of aluminium foil surface, make the performance of product obtain very big improvement.Therefore, sheet type aluminum electrolytic capacitor of the present invention can have good performance and good surface appearance.
Below in conjunction with embodiment, further specify the present invention, but the present invention is not limited to these embodiment, any substituting or improving on essence spirit of the present invention still belongs to scope required for protection in claims of the present invention.
Embodiment
All solvents are pressed the percentage by weight shown in the table 1 mix, be heated to 60 ℃-80 ℃, then solute and additive are poured in the mixed solvent, be heated to 80 ℃-100 ℃, and keep this temperature, make it to dissolve fully, get final product behind the natural cooling then.
Table 1
By the formulation electrolyte in the above-mentioned table 1, make sheet type aluminum electrolytic capacitor with the electrolyte of preparation then, and check its performance, see Table 2.
Table 2
| Production code member | Outward appearance, performance after the Reflow Soldering | Leakage current (LC) | Capacity (C) | Loss angle (DF) |
| ?????1 | Well | Qualified | Qualified | Qualified |
| ?????2 | Well | Qualified | Qualified | Qualified |
| ?????3 | Well | Qualified | Qualified | Qualified |
| ?????4 | Well | Qualified | Qualified | Qualified |
| ?????5 | Generally | Qualified | Qualified | Qualified |
| ?????6 | Well | Qualified | Qualified | Qualified |
| ?????7 | Well | Qualified | Qualified | Qualified |
| ?????8 | Generally | Qualified | Qualified | Qualified |
| ?????9 | Well | Qualified | Qualified | Qualified |
| ?????10 | Well | Qualified | Qualified | Qualified |
| ?????11 | Well | Qualified | Qualified | Qualified |
| ?????12 | Well | Qualified | Qualified | Qualified |
| ?????13 | Well | Qualified | Qualified | Qualified |
| ?????14 | Well | Qualified | Qualified | Qualified |
| ?????15 | Generally | Qualified | Qualified | Qualified |
| ?????16 | Well | Qualified | Qualified | Qualified |
| ?????17 | Well | Qualified | Qualified | Qualified |
| ?????18 | Generally | Qualified | Qualified | Qualified |
| ?????19 | Well | Qualified | Qualified | Qualified |
| ?????20 | Well | Qualified | Qualified | Qualified |
Claims (10)
1, a kind of electrolyte for electrolytic capacitor, this electrolyte comprises solvent and solute, it is characterized in that, described solvent comprises main solvent and secondary solvent, described main solvent is high boiling aprotic solvent, and described main solvent, secondary solvent and solute shared percentage by weight in described electrolyte is respectively: main solvent 40-82%, secondary solvent 8-32%, solute 6-28%.
2, electrolyte as claimed in claim 1 is characterized in that, described main solvent is the N-methyl pyrrolidone.
3, electrolyte as claimed in claim 1, it is characterized in that, described secondary solvent is to be selected from a kind of material in following one group of material or the mixture of its several materials: gamma-butyrolacton, formamide, N-methylformamide, N-methylacetamide, N-ethyl-formamide, N-ethyl acetamide, N, dinethylformamide, N, N-dimethylacetylamide, N, N-diethylformamide, N, N-diethyl acetamide, ethylene carbonate, propylene glycol carbonate, dimethyl sulfoxide (DMSO) and ethyl hydrazine.
4, electrolyte as claimed in claim 3 is characterized in that, described secondary solvent is to be selected from a kind of material in following one group of material or the mixture of its several materials: gamma-butyrolacton, formamide and N-methylformamide.
5, electrolyte as claimed in claim 1, it is characterized in that described solute is to be selected from a kind of material in following one group of material or the mixture of its several materials: phthalic acid, phthalate, fumaric acid, fumarate, succinic acid and succinate.
6, electrolyte as claimed in claim 5 is characterized in that, described solute is to be selected from a kind of material in following one group of material or the mixture of its several materials: phthalate, fumarate and succinate.
7, electrolyte as claimed in claim 6 is characterized in that, described phthalate, fumarate and succinate are respectively its imidazole salts or triethylamine salts separately.
8, electrolyte as claimed in claim 1, it is characterized in that, also contain additive in the described electrolyte, described additive accounts for the 0.1-4% of described electrolyte total weight, and described additive is to be selected from a kind of material in following one group of material or the mixture of its several materials: the hydroxy compounds of the nitro compound of phosphoric acid, phosphate, phosphate, band phenyl ring and band phenyl ring; Preferably be selected from a kind of material in following one group of material or the mixture of its several materials: phosphoric acid, ammonium dihydrogen phosphate, ammonium hypophosphite, phosphate monoester, nitrophenol, paranitrobenzoic acid and p-nitrophenyl methyl alcohol.
9, electrolyte as claimed in claim 8, it is characterized in that, described additive comprises a kind of material or its several materials in phosphoric acid, phosphate and the phosphate, also comprises a kind of material or its several materials in the nitro compound of being with phenyl ring and the hydroxy compounds of being with phenyl ring.
10, a kind of electrolytic capacitor is characterized in that, this electrolytic capacitor adopts one of claim 1-9 described electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101124662A CN100492561C (en) | 2003-12-05 | 2003-12-05 | Electrolyte for electrolytic condenser and capacitor using the electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101124662A CN100492561C (en) | 2003-12-05 | 2003-12-05 | Electrolyte for electrolytic condenser and capacitor using the electrolyte |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1624833A true CN1624833A (en) | 2005-06-08 |
| CN100492561C CN100492561C (en) | 2009-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101124662A Expired - Fee Related CN100492561C (en) | 2003-12-05 | 2003-12-05 | Electrolyte for electrolytic condenser and capacitor using the electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100492561C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100570776C (en) * | 2005-12-28 | 2009-12-16 | 横店集团东磁有限公司 | Flash lamp aluminum electrolytic capacitor and preparation method thereof |
| CN101404209B (en) * | 2008-08-27 | 2011-01-26 | 东莞市东阳光电容器有限公司 | Electrolyte for electrolytic capacitor |
| CN101556867B (en) * | 2009-05-20 | 2011-11-09 | 广东风华高新科技股份有限公司 | Electrolysis solution and preparation method thereof as well as preparation method for obtained aluminum capacitor |
| CN104505263A (en) * | 2014-12-25 | 2015-04-08 | 河北联合大学 | Ultra-low temperature chlorine salt aqueous super-capacitor electrolyte |
| WO2016176938A1 (en) * | 2015-05-04 | 2016-11-10 | 深圳新宙邦科技股份有限公司 | Electrolyte solution for use in aluminum electrolytic capacitor and aluminum electrolytic capacitors using the electrolyte solution |
| CN107680811A (en) * | 2017-11-18 | 2018-02-09 | 陈馨雅 | A kind of electrolyte for aluminum electrolytic capacitor |
-
2003
- 2003-12-05 CN CNB2003101124662A patent/CN100492561C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100570776C (en) * | 2005-12-28 | 2009-12-16 | 横店集团东磁有限公司 | Flash lamp aluminum electrolytic capacitor and preparation method thereof |
| CN101404209B (en) * | 2008-08-27 | 2011-01-26 | 东莞市东阳光电容器有限公司 | Electrolyte for electrolytic capacitor |
| CN101556867B (en) * | 2009-05-20 | 2011-11-09 | 广东风华高新科技股份有限公司 | Electrolysis solution and preparation method thereof as well as preparation method for obtained aluminum capacitor |
| CN104505263A (en) * | 2014-12-25 | 2015-04-08 | 河北联合大学 | Ultra-low temperature chlorine salt aqueous super-capacitor electrolyte |
| WO2016176938A1 (en) * | 2015-05-04 | 2016-11-10 | 深圳新宙邦科技股份有限公司 | Electrolyte solution for use in aluminum electrolytic capacitor and aluminum electrolytic capacitors using the electrolyte solution |
| CN107680811A (en) * | 2017-11-18 | 2018-02-09 | 陈馨雅 | A kind of electrolyte for aluminum electrolytic capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100492561C (en) | 2009-05-27 |
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