CN104143449A - Method for preparing ruthenium oxide base electrode material for freezer refrigeration system - Google Patents
Method for preparing ruthenium oxide base electrode material for freezer refrigeration system Download PDFInfo
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- CN104143449A CN104143449A CN201410383176.XA CN201410383176A CN104143449A CN 104143449 A CN104143449 A CN 104143449A CN 201410383176 A CN201410383176 A CN 201410383176A CN 104143449 A CN104143449 A CN 104143449A
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Abstract
The invention discloses a method for preparing a ruthenium oxide electrode material for a freezer refrigeration system. The preparing method includes the following steps that 2-5 g of hydration ruthenium chloride and 1-3 g of carbon materials are dissolved in a 100-200 ml of alcohol water solution to be evenly mixed, and a mixed solution is obtained; 10-150 ml of an NH4HCO3 solution with the concentration of 1.0 mol/L to 2.0 mol/L is added into the mixed solution, the pH value is adjusted to range from 7 to 9, and Ru(OH)4 is obtained; after foreign ions are removed in an ageing and centrifugal mode, dehydration processing at the temperature ranging from 100 DEG C to 120 DEG C is conducted to obtain the composite electrode material of amorphous-form ruthenium oxide and carbon materials; conductive agent carbon nano tubes or KS6 conductive graphite accounting for 10 percent to 20 percent of the total weight is added to the prepared composite electrode material, full mixing and grinding are conducted, and the ruthenium oxide electrode material is obtained. The composite electrode material has the advantages of being high in specific capacity, low in equivalent series resistance, long in cycle life, low in cost and the like.
Description
Technical field
The present invention relates to a kind of refrigerator-freezer equipment, be specifically related to the preparation method of a kind of ice chest refrigeration system ruthenium-oxide base electrode material.
Background technology
Refrigerator-freezer is a kind of for storing the freezing Majors of Food storage instrument of various needs, make food or other article keep chest or the cell of cold conditions, inside have ice machine in order to icing cabinet or case the hutch with refrigerating plant, by widely because industry-by-industry and family are used.Ice chest refrigeration system is that compressor, condenser, throttle part, evaporator form by 4 essential parts.The ultracapacitor of using in refrigerating system as one there is fast charging and discharging, high, the capacious novel energy device of energy storage density has wide practical use.According to energy storage principle, ultracapacitor can be divided into the double electric layer capacitor based on electric double layer energy storage mechanism and the electrochemical capacitor based on faraday's redox reaction energy storage mechanism, according to the difference of electrode material, electrochemical capacitor is divided into metal oxide ultracapacitor and conducting polymer ultracapacitor, and wherein metal oxide ruthenium-oxide is to be recognized at present optimal electrode material for super capacitor.But the price limit of ruthenium-oxide costliness its extensive use, at present the preparation method of ruthenium-oxide mainly contains four kinds: the first is that electrochemistry anodic oxidation is prepared ruthenium-oxide on ruthenium matrix.The second is that cathodic electrodeposition deposits ruthenium-oxide on the matrix such as tantalum or titanium, but is difficult to directly at the conventional collector electrode surface deposition such as tantalum or titanium.The third is that ruthenium-oxide is prepared in cyclic voltammetric electro-deposition, and due to the poorly conductive of oxide, electro-deposition forms the internal resistance meeting of skim rear surface and increases, and deposition is little, is not suitable for large-scale production.The 4th kind is to apply thermal decomposition method to form ruthenium-oxide film at tantalum or titanium-based surface, but condition is not easy to control, and requires harsh.Above-mentioned four kinds of methods generally all exist that equipment requirement is high or ruthenium-oxide yields poorly or the shortcoming such as poor adhesive force.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, provides that a kind of technique is simple, cost is low, specific capacity is high, can realize the preparation method of the ice chest refrigeration system ruthenium-oxide base electrode material of large-scale production.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A preparation method for ruthenium-oxide base electrode material for ice chest refrigeration system, described preparation method comprises the following steps:
2g to 5g hydrate ruthenium trichloride and 1g to 3g material with carbon element are dissolved in the alcohol solution of 100ml to 200ml and mix, obtain mixed solution;
The NH4HCO3 solution that the concentration that adds 10ml to 150ml in described mixed solution is 1.0mol/L to 2.0mol/L, regulating pH value is 7 to 9, makes Ru (OH) 4;
After ageing, centrifugal removal foreign ion are processed, carry out 100 DEG C to 120 DEG C processed and obtain the combination electrode material of unformed ruthenic oxide and material with carbon element;
In the combination electrode material of described preparation, add 10% to 20% conductive agent carbon nano-tube or the KS6 electrically conductive graphite that account for total weight, fully mixed grinding, obtains ruthenium-oxide base electrode material.
Further technical scheme is that material with carbon element comprises: one or more in mesoporous carbon material, carbon nano-tube, Graphene.
Further technical scheme is that alcohol solution comprises: the one in the mixed solution of the mixed solution of water, ethanol, water and ethanol or isopropyl alcohol, water and isopropyl alcohol.
Compared with prior art, the invention has the beneficial effects as follows: it is hydrate ruthenium trichloride and material with carbon element and carbonic hydroammonium that the present invention adopts precursor, more even compared with traditional physical mixed, conductive agent is selected carbon nano-tube or KS6 electrically conductive graphite, and combination electrode material has high specific capacity, low equivalent series resistance and the advantage such as cycle life, low cost of growing.
Embodiment
The present invention is further elaborated below.
Embodiment 1,
The meso-porous carbon material of 1g hydrate ruthenium trichloride and 0.2g is added in the mixed solution 50ml of water and isopropyl alcohol, in above-mentioned solution, add again the ammonium bicarbonate soln of 0.15mol/L, the PH of regulator solution is 7.5, after abundant stirring question response is complete, make ruthenic oxide/mesoporous carbon composite electrode material, in combination electrode material, add a certain amount of carbon nano-tube, fully mixed grinding is even, finally prepares ruthenium-oxide base electrode material again.
Embodiment 2,
The carbon nano-tube of 1g hydrate ruthenium trichloride and 0.2g is added in the mixed solution 50ml of water and ethanol, in above-mentioned solution, add again the ammonium bicarbonate soln of 0.15mol/L, the PH of regulator solution is 7.5, after abundant stirring question response is complete, make ruthenic oxide/carbon nano-tube combination electrode material, in combination electrode material, add a certain amount of KS6 electrically conductive graphite, fully mixed grinding is even again.Finally prepare ruthenium-oxide base electrode material.
Embodiment 3,
The Graphene of 1g hydrate ruthenium trichloride and 0.2g is added in the mixed solution 50ml of water and ethanol, in above-mentioned solution, add again the ammonium bicarbonate soln of 0.15mol/L, the PH of regulator solution is 7.5, after abundant stirring question response is complete, make ruthenic oxide/graphene combination electrode material, in combination electrode material, add a certain amount of KS6 electrically conductive graphite, fully mixed grinding is even again.Finally prepare ruthenium-oxide base electrode material.
" embodiment ", " another embodiment ", " embodiment " that spoken of in this manual, etc., refer to specific features, structure or the feature described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.In specification, multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with any embodiment, what advocate is to realize this feature, structure or feature in conjunction with other embodiment also to fall within the scope of the invention.
Although with reference to the multiple explanatory embodiment inventing, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and execution modes, within these amendments and execution mode will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of the open claim of the application, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (3)
1. a preparation method for ruthenium-oxide base electrode material for ice chest refrigeration system, is characterized in that: described preparation method comprises the following steps:
2g to 5g hydrate ruthenium trichloride and 1g to 3g material with carbon element are dissolved in the alcohol solution of 100ml to 200ml and mix, obtain mixed solution;
The NH that the concentration that adds 10ml to 150ml in described mixed solution is 1.0mol/L to 2.0mol/L
4hCO
3solution, regulating pH value is 7 to 9, makes Ru (OH)
4;
After ageing, centrifugal removal foreign ion are processed, carry out 100 DEG C to 120 DEG C processed and obtain the combination electrode material of unformed ruthenic oxide and material with carbon element;
In the combination electrode material of described preparation, add 10% to 20% conductive agent carbon nano-tube or the KS6 electrically conductive graphite that account for total weight, fully mixed grinding, obtains ruthenium-oxide base electrode material.
2. the preparation method of ruthenium-oxide base electrode material for ice chest refrigeration system according to claim 1, is characterized in that described material with carbon element comprises: one or more in mesoporous carbon material, carbon nano-tube, Graphene.
3. the preparation method of ruthenium-oxide base electrode material for ice chest refrigeration system according to claim 1, is characterized in that described alcohol solution comprises: the one in the mixed solution of the mixed solution of water, ethanol, water and ethanol or isopropyl alcohol, water and isopropyl alcohol.
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| CN201410383176.XA CN104143449A (en) | 2014-08-06 | 2014-08-06 | Method for preparing ruthenium oxide base electrode material for freezer refrigeration system |
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| CN201410383176.XA CN104143449A (en) | 2014-08-06 | 2014-08-06 | Method for preparing ruthenium oxide base electrode material for freezer refrigeration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114121336A (en) * | 2022-01-27 | 2022-03-01 | 西安宏星电子浆料科技股份有限公司 | High-wear-resistance paste |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887078A (en) * | 2014-03-04 | 2014-06-25 | 成都达艾斯科技有限公司 | Preparation method for ruthenium-oxide-based electrode material |
| CN103887077A (en) * | 2014-03-04 | 2014-06-25 | 成都达艾斯电子有限公司 | Super capacitor and method for manufacturing super capacitor |
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- 2014-08-06 CN CN201410383176.XA patent/CN104143449A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887078A (en) * | 2014-03-04 | 2014-06-25 | 成都达艾斯科技有限公司 | Preparation method for ruthenium-oxide-based electrode material |
| CN103887077A (en) * | 2014-03-04 | 2014-06-25 | 成都达艾斯电子有限公司 | Super capacitor and method for manufacturing super capacitor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114121336A (en) * | 2022-01-27 | 2022-03-01 | 西安宏星电子浆料科技股份有限公司 | High-wear-resistance paste |
| CN114121336B (en) * | 2022-01-27 | 2022-04-19 | 西安宏星电子浆料科技股份有限公司 | High-wear-resistance paste |
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Application publication date: 20141112 |