CN108728863B - It is used to prepare the preparation method and electrolysis electrode of carbon fiber Composite electrolysis electrode - Google Patents
It is used to prepare the preparation method and electrolysis electrode of carbon fiber Composite electrolysis electrode Download PDFInfo
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- CN108728863B CN108728863B CN201810244084.1A CN201810244084A CN108728863B CN 108728863 B CN108728863 B CN 108728863B CN 201810244084 A CN201810244084 A CN 201810244084A CN 108728863 B CN108728863 B CN 108728863B
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- Prior art keywords
- carbon
- fibre strips
- preparation
- doubling
- electrolysis electrode
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 36
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 83
- 239000011265 semifinished product Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000011282 treatment Methods 0.000 claims abstract description 4
- 229920005992 thermoplastic resin Chemical group 0.000 claims description 19
- 229920000914 Metallic fiber Polymers 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- -1 is tieed up Chemical compound 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- GKLVYJBZJHMRIY-UHFFFAOYSA-N technetium atom Chemical compound [Tc] GKLVYJBZJHMRIY-UHFFFAOYSA-N 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
- C25B11/031—Porous electrodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/042—Electrodes formed of a single material
- C25B11/043—Carbon, e.g. diamond or graphene
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
Abstract
The present invention provides a kind of preparation methods for being used to prepare carbon fiber Composite electrolysis electrode comprising: step S1: by two carbon-fibre strips mounted on top, and two carbon-fibre strips are orthogonal；Being located above is the first carbon-fibre strips, and underlying is the second carbon-fibre strips；First carbon-fibre strips and the second carbon-fibre strips are exceptionally straight state, and are in close contact；Step S2: by the second carbon-fibre strips toward the first carbon-fibre strips direction doubling；After doubling, the second carbon-fibre strips clamp the first carbon-fibre strips；Step S3: by the first carbon-fibre strips toward the second carbon-fibre strips direction doubling；After doubling, the first carbon-fibre strips clamp the second carbon-fibre strips；Step S4: being repeated in step S2 and step S3, until can not doubling, obtain electrolysis electrode semi-finished product；Step S5: semi-finished product are subjected to heat treatment and pressurized treatments, obtain electrolysis electrode.The present invention also provides a kind of carbon fiber Composite electrolysis electrodes prepared by above-mentioned preparation method.
Description
Technical field
The present invention relates to a kind of preparation method for being used to prepare carbon fiber Composite electrolysis electrode and corresponding electrolysis electrodes.
Background technique
In electrolytic process, electrode is mostly important component, and quality is directly related to the efficiency and electricity of electrolysis
Solve the property of product；In addition to some anode metal electrodes that can be dissolved in electrolytic process, most of electrode is simultaneously not involved in electrolysis
Reaction, does not change before and after electrolysis.
Currently used electrode material has noble metal (such as platinum, titanium), rare metal (such as palladium, technetium, ruthenium) and graphite；It is above-mentioned
Electrode has certain defect: noble metal and rare metal are expensive, and hardness is not high；Graphite toughness is inadequate, and quality is more crisp, holds
Easy fracture.
Therefore, how providing one kind, cost is relatively low, and the higher and electrolysis electrode with preferable toughness of hardness becomes industry
Problem to be solved.
Summary of the invention
In view of the shortcomings of the prior art, the object of the present invention is to provide one kind to be used to prepare carbon fiber Composite electrolysis electrode
Preparation method, preparation electrolysis electrode cost is relatively low, hardness it is higher and have preferable toughness.
To achieve the goals above, the present invention provides a kind of preparation sides for being used to prepare carbon fiber Composite electrolysis electrode
Method, preparation method include:
Step S1: by two carbon-fibre strips mounted on top, and two carbon-fibre strips are orthogonal；Be located above is first
Carbon-fibre strips, underlying is the second carbon-fibre strips；First carbon-fibre strips and the second carbon-fibre strips are exceptionally straight state, and tight
Contiguity touching；
Step S2: by the second carbon-fibre strips toward the first carbon-fibre strips direction doubling；After doubling, the second carbon-fibre strips folder
Firmly the first carbon-fibre strips；
Step S3: by the first carbon-fibre strips toward the second carbon-fibre strips direction doubling；After doubling, the first carbon-fibre strips folder
Firmly the second carbon-fibre strips；
Step S4: being repeated in step S2 and step S3, until can not doubling, obtain electrolysis electrode semi-finished product；
Step S5: semi-finished product are subjected to heat treatment and pressurized treatments, obtain electrolysis electrode.
In the present invention, carbon-fibre strips length can with it is of same size, at this time be not necessarily to doubling, by two carbon-fibre strips mounted on top
Semi-finished product can be obtained；Folding times are more, and electrolysis electrode intensity is better.
The present invention connects to form reticulated porous structures by carbon fiber, has preferable arrangement consistency and electric conductivity；At
This is low, corrosion-resistant；Have both preferable hardness and toughness.
Another specific embodiment according to the present invention, in step S1, one end of the first carbon-fibre strips and the second carbon-fibre strips
One end be overlapped.
Another specific embodiment according to the present invention, in step S1, carbon-fibre strips by it is several be generally aligned in the same plane it is parallel
Carbon fiber wire composition；Several parallel carbon fiber wires being generally aligned in the same plane form a carbon fiber wire plane, and carbon-fibre strips also may be used
To be formed by the carbon fiber wire planar, stacked of multilayer parallel.
Another specific embodiment, carbon fiber wire are made of carbon fiber and thermoplastic resin according to the present invention；Thermoplastic resin
Rouge fusing point is 150-250 DEG C.
Another specific embodiment according to the present invention, step S5 further comprises:
Step A1: semi-finished product are heated to 200-300 DEG C, while pressure rises to 15-20Mpa；Thermoplastic resin is opened
Begin to melt；
Step A2: after thermoplastic resin melts completely, pressure is down to an atmospheric pressure；It is continuously heating to 600-900
℃；The thermoplastic resin of liquid starts to gasify；
Step A3: after thermoplastic resin is gasified totally, the carbon fiber Composite electrolysis electrode of porous structure is obtained.
In the present solution, semi-finished product heating temperature is preferably 250 DEG C in step A1；Simultaneously temperature it is synchronous with pressure it is uniform on
It rises, in the process, semi-finished product start thinning.
In step A2, temperature elevating range is preferably 700-800 DEG C.
After thermoplastic resin is gasified totally, the gap left forms porous structure, can increase surface area, in electrolysis Shi Yugeng
More active contacts.
Another specific embodiment according to the present invention, during doubling, the first carbon-fibre strips and the second carbon-fibre strips it
Between be put into metallic fiber；The metallic fiber of incorporation needs rigidity with higher, is provided simultaneously with preferable electric conductivity.
Another specific embodiment according to the present invention, metallic fiber are titanium fiber.
Another specific embodiment according to the present invention, carbon-fibre strips width are 2mm.
Another specific embodiment according to the present invention, carbon fiber wire diameter are 150-500nm, can be selected according to different demands
Select carbon fiber wire diameter.
The present invention also provides a kind of carbon fiber Composite electrolysis electrodes prepared by above-mentioned preparation method.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, it connects to form reticulated porous structures by carbon fiber, intensity is higher, and length is shorter, more frivolous (compared to nothing
Woven fabric structure)；
2, arrangement consistency is good, no fracture；Good conductivity, resistance are low；
3, at low cost, it is corrosion-resistant, it is not easy to peel off；It does not react with electrolyte, is also insoluble in electrolyte；
4, hardness is higher than metal, and toughness is higher than graphite.
Specific embodiment
Embodiment 1
Present embodiments provide a kind of preparation method for being used to prepare carbon fiber Composite electrolysis electrode comprising:
Step S1: by two carbon-fibre strips mounted on top, and two carbon-fibre strips are orthogonal；Be located above is first
Carbon-fibre strips, underlying is the second carbon-fibre strips；First carbon-fibre strips and the second carbon-fibre strips are exceptionally straight state, and tight
Contiguity touching.
One end of first carbon-fibre strips and one end of the second carbon-fibre strips are overlapped.
Carbon-fibre strips are made of several parallel carbon fiber wires being generally aligned in the same plane；Several parallel carbon being generally aligned in the same plane
Fiber filament forms a carbon fiber wire plane.
Carbon fiber wire is made of carbon fiber and thermoplastic resin；Thermoplastic resin fusing point is 200 DEG C.
Carbon-fibre strips width is 2mm, and carbon fiber wire diameter is 300nm.
Step S2: by the second carbon-fibre strips toward the first carbon-fibre strips direction doubling；After doubling, the second carbon-fibre strips folder
Firmly the first carbon-fibre strips；
Step S3: by the first carbon-fibre strips toward the second carbon-fibre strips direction doubling；After doubling, the first carbon-fibre strips folder
Firmly the second carbon-fibre strips；
Step S4: being repeated in step S2 and step S3, until can not doubling, obtain electrolysis electrode semi-finished product；To being folded over
Cheng Zhong is put into metallic fiber between the first carbon-fibre strips and the second carbon-fibre strips；The metallic fiber of incorporation needs with higher
Rigidity is provided simultaneously with preferable electric conductivity；Metallic fiber is titanium fiber.
Step S5: semi-finished product are subjected to heat treatment and pressurized treatments, obtain electrolysis electrode.
Step S5 further comprises:
Step A1: semi-finished product are heated to 250 DEG C, while pressure rises to 18Mpa；Thermoplastic resin starts to melt；Temperature
Uniform rising synchronous with pressure is spent, in the process, semi-finished product start thinning；
Step A2: after thermoplastic resin melts completely, pressure is down to an atmospheric pressure；It is continuously heating to 750 DEG C；Liquid
The thermoplastic resin of state starts to gasify；
Step A3: after thermoplastic resin is gasified totally, the carbon fiber Composite electrolysis electrode of porous structure is obtained.
After thermoplastic resin is gasified totally, the gap left forms porous structure
The present embodiment additionally provides a kind of carbon fiber Composite electrolysis electrode prepared by above-mentioned preparation method.
Embodiment 2
The present embodiment is with the difference of embodiment 1: being overlapped in the middle part of the first carbon-fibre strips and in the middle part of the second carbon-fibre strips.
Embodiment 3
The present embodiment and the difference of embodiment 1 are: carbon-fibre strips are formed by the carbon fiber wire planar, stacked of multilayer parallel.
Embodiment 4
The present embodiment and the difference of embodiment 1 are: carbon-fibre strips length with it is of same size, at this time be not necessarily to doubling, by two
Semi-finished product can be obtained in carbon-fibre strips mounted on top.
Although the present invention is disclosed above in the preferred embodiment, it is not intended to limit the invention the range of implementation.Any
The those of ordinary skill in field is not departing from invention scope of the invention, improves when can make a little, i.e., all according to this hair
Bright done same improvement, should be the scope of the present invention and is covered.
Claims (10)
1. a kind of preparation method for being used to prepare carbon fiber Composite electrolysis electrode, which is characterized in that the preparation method includes:
Step S1: by two carbon-fibre strips mounted on top, and two carbon-fibre strips are orthogonal；Being located above is the first carbon fiber
Item is tieed up, underlying is the second carbon-fibre strips；First carbon-fibre strips and second carbon-fibre strips are exceptionally straight state,
And it is in close contact；
Step S2: by second carbon-fibre strips toward the first carbon-fibre strips direction doubling；After doubling, second carbon
Ribbon clamps first carbon-fibre strips；
Step S3: by first carbon-fibre strips toward the second carbon-fibre strips direction doubling；After doubling, first carbon
Ribbon clamps second carbon-fibre strips；
Step S4: being repeated in step S2 and step S3, until can not doubling, obtain electrolysis electrode semi-finished product；
Step S5: the semi-finished product are subjected to heat treatment and pressurized treatments, obtain electrolysis electrode.
2. preparation method as described in claim 1, which is characterized in that in the step S1, the one of first carbon-fibre strips
End and one end of second carbon-fibre strips are overlapped.
3. preparation method as described in claim 1, which is characterized in that in the step S1, carbon-fibre strips are located at together by several
The parallel carbon fiber wire of one plane forms.
4. preparation method as claimed in claim 3, which is characterized in that the carbon fiber wire is by carbon fiber and thermoplastic resin group
At.
5. preparation method as claimed in claim 4, which is characterized in that the step S5 further comprises:
Step A1: the semi-finished product are heated to 200-300 DEG C, while pressure rises to 15-20Mpa；The thermoplastic resin
Rouge starts to melt；
Step A2: after the thermoplastic resin melts completely, pressure is down to an atmospheric pressure；It is continuously heating to 600-900
℃；The thermoplastic resin of liquid starts to gasify；
Step A3: after the thermoplastic resin is gasified totally, the carbon fiber Composite electrolysis electrode of porous structure is obtained.
6. preparation method as described in claim 1, which is characterized in that during doubling, in first carbon-fibre strips and institute
It states and is put into metallic fiber between the second carbon-fibre strips.
7. preparation method as claimed in claim 6, which is characterized in that the metallic fiber is titanium fiber.
8. preparation method as described in claim 1, which is characterized in that the carbon-fibre strips width is 2mm.
9. preparation method as claimed in claim 3, which is characterized in that the carbon fiber wire diameter is 150-500nm.
10. a kind of carbon fiber Composite electrolysis electrode prepared by preparation method as claimed in one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244084.1A CN108728863B (en) | 2018-03-22 | 2018-03-22 | It is used to prepare the preparation method and electrolysis electrode of carbon fiber Composite electrolysis electrode |
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| CN201810244084.1A CN108728863B (en) | 2018-03-22 | 2018-03-22 | It is used to prepare the preparation method and electrolysis electrode of carbon fiber Composite electrolysis electrode |
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| CN108728863A CN108728863A (en) | 2018-11-02 |
| CN108728863B true CN108728863B (en) | 2019-12-03 |
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| CN114156490A (en) * | 2021-07-30 | 2022-03-08 | 浙江众氢科技有限公司 | Carbon fiber composite electrolytic electrode and preparation method thereof |
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|---|---|---|---|---|
| US4169911A (en) * | 1977-05-10 | 1979-10-02 | Toray Industries, Inc. | Porous carbon fiber material with a thin metal film covering each fiber |
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2018
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Effective date of registration: 20231122 Address after: 214026 Kangle Road 9, Mashan Street, Binhu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Delinhai Zero Carbon Technology Co.,Ltd. Address before: Room 401, No. 20-6, Courtyard, No. 56 Nangang West Road, Huangpu District, Guangzhou City, Guangdong Province, 510070 Patentee before: GUANGZHOU HONGHAO ELECTRONIC TECHNOLOGY Co.,Ltd. |
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