CN103852501B - A kind of multifunctional light electro-chemical test device - Google Patents
A kind of multifunctional light electro-chemical test device Download PDFInfo
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- CN103852501B CN103852501B CN201410106606.3A CN201410106606A CN103852501B CN 103852501 B CN103852501 B CN 103852501B CN 201410106606 A CN201410106606 A CN 201410106606A CN 103852501 B CN103852501 B CN 103852501B
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Abstract
The invention discloses a kind of multifunctional light electro-chemical test device, including chemical bath assembly, front sealing cap assemblies and after seal cap assemblies, chemical bath assembly includes chemical bath housing, the first circular hole, the second circular hole and chemical bath cavity, first and second circular hole is arranged in chemical bath housing sidewall, being respectively intended to install electrode and reference electrode, chemical bath cavity holds electrolyte；Front sealing cap assemblies seals lid and logical light circular hole before including；Rear sealing cap assemblies includes atresia and seals lid and perforate sealing lid；When carrying out electro-conductive glass working electrode Optical Electro-Chemistry reaction test, installing atresia and seal lid, the front lid that seals lays electro-conductive glass working electrode with chemical bath body clearance；When carrying out glass carbon working electrode Optical Electro-Chemistry reaction test, front sealing lid and chemical bath body clearance lay piezoid, and mounting opening seals lid, puts into glass carbon working electrode from tapping to chemical bath cavity.Implement the present invention and can solve existing apparatus function singleness and the bigger problem of experimental error.
Description
Technical field
The invention belongs to technical field of electrochemistry, more particularly, to a kind of multifunctional light electro-chemical test device.
Background technology
The flood tide consumption of coal, oil and other fossil energies has become the main source of whole world atmospheric pollution.The finiteness of these conventional energy resource resources and the increase of ambient pressure, make many countries in the world strengthen the support to new and renewable sources of energy technical development.In new energy field, Hydrogen Energy has been generally believed that it is a kind of pollution-free green energy resource of optimal new century, this is because hydrogen burning, water is its exclusive product.Hydrogen is element the abundantest in nature, and it is present in water, fossil fuel and all kinds of carbohydrate widely.But, traditional hydrogen production process, it is necessary to consume huge conventional energy resource, make the Hydrogen Energy personal value too high, greatly limit the popularization and application of Hydrogen Energy.
Eighties of last century seventies, Japanese Scientists are found that with catalysis material for " medium ", inexhaustible, cheap solar energy can be utilized water-splitting oxygen and hydrogen necessary to fuel cell, and scientist claims this technology only using sunlight and aquatic output hydrogen and oxygen to be " one of desirable technique of the mankind ".Meanwhile, utilizing photodestruciton water to be necessary for using catalysis material, scientists adds some conductor photocatalysis materials in water, by these material absorbing solar energies and effectively pass to hydrone, makes water generation photodissociation.The ultimate principle of photocatalysis hydrogen production and oxygen technology, for titanium dioxide semiconductor catalysis material, when sunlight titanium dioxide titanium, the electronics (e in its valence band-) will be stimulated transits to conduction band, produces corresponding hole (h in valence band simultaneously+), define electron hole pair.Electronics (the e produced-), hole (h+) separate under internal electric field effect and move to particle surface.Water occurs ionization to generate hydrogen and oxygen under the effect of this electron-hole pair.Owing to the separating step of electron hole pair is one of key factor of restriction hydrogen producing and oxygen, so in the last few years, electrochemical principle and light are combined by scientists, co-catalysis water hydrogen and oxygen, it is called for short photoelectrocatalysis (PEC), its principle is on photocatalysis technology basis, adopt electrochemistry three electrode test system, the electrode that photocatalyst semi-conducting material is modified is used as working electrode, platinized platinum when making electrode, additionally silver/silver chloride electrode as reference electrode to be used for setting the bias of working electrode.The advantage of the method is, (1) hydrogen producing and oxygen are carried out on electrode at photocatalyst working electrode and platinized platinum (silk) respectively, not only improve hydrogen and oxygen and collection, simultaneously, it is possible to the effectively impact of prevention hydrogen and oxygen mix team photocatalyst；(2) by photocatalysis working electrode is biased, an internal electric field can be effectively formed, it is greatly improved the separation efficiency of photo-generate electron-hole pair, electronics and hole is allowed to be successfully transferred to working electrode and electrode surface and water molecule reaction are produced hydrogen and oxygen, thus improve the conversion efficiency of photoelectrocatalysis hydrogen and oxygen.
Although photoelectrocatalysis hydrogen and oxygen have become as the study hotspot of academia, but market seldom has the professional electrolyzer that applicable photoelectrocatalysis is tested, a lot of test experiments are all complete at easy quartz cell or common quartz beaker, have impact on the accuracy of experimental result and science.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, the invention provides a kind of multifunctional light electro-chemical test device, to solve, existing test device experimental error is relatively big, data reliability is not enough and the technical problem of function singleness.
The technical solution adopted for the present invention to solve the technical problems is, a kind of multifunctional light electro-chemical test device is provided, including chemical bath assembly, front sealing cap assemblies and after seal cap assemblies, chemical bath assembly is used for holding electrolyte, front sealing cap assemblies is for sealing the front hole of chemical bath assembly, and the rear cap assemblies that seals is for sealing chemical bath assembly metapore.
Described chemical bath assembly includes chemical bath housing, the first circular hole, the second circular hole and chemical bath cavity, described first circular hole and the second circular hole are arranged on the sidewall of described chemical bath housing, being respectively used to install Pt silk to electrode and reference electrode, chemical bath cavity is used for holding electrolyte to carry out Optical Electro-Chemistry reaction test；The front end face of described chemical bath housing is equipped with the circular hole connecting chemical bath cavity with rear end face；
Seal before described before cap assemblies includes and seal lid and logical light circular hole, the front lid that seals is for covering the circular hole of chemical bath cavity front end face, front sealing is formed for laying the gap of electro-conductive glass working electrode or piezoid between lid and chemical bath housing, the mid portion of front sealing lid has just logical light circular hole to electro-conductive glass working electrode or piezoid；
The described rear cap assemblies that seals includes atresia sealing lid and perforate sealing lid, when carrying out electro-conductive glass working electrode Optical Electro-Chemistry reaction test, atresia seals lid for covering the circular hole of chemical bath cavity rear end face, the front gap sealed between lid and chemical bath housing is used for laying electro-conductive glass working electrode, and described electro-conductive glass working electrode surface is modified with photoelectric；When carrying out glass carbon working electrode Optical Electro-Chemistry reaction test, the front gap sealed between lid and housing is used for laying piezoid, and mounting opening seals lid, putting into glass carbon working electrode from its tapping to chemical bath intracavity, described glass carbon working electrode surface is modified with photoelectric.
In multifunctional light electro-chemical test device of the present invention, described chemical bath cavity front end face circular hole is also covered with the first O, front lid, electro-conductive glass working electrode or the piezoid of sealing is sequentially coated on the upper surface of the first O, and it is fixed on chemical bath housing forward end face by screw, to seal the sealing of cap assemblies before ensureing.
In multifunctional light electro-chemical test device of the present invention, described chemical bath cavity rear end face circular hole is also covered with the second O, atresia seals lid and covers the second O upper surface, and it is fixed on chemical bath housing rear end face by screw, to seal the sealing of cap assemblies after ensureing.
In multifunctional light electro-chemical test device of the present invention, described chemical bath housing is additionally provided with chemical bath rectangular channel, for injecting electrolyte in chemical bath cavity.
In multifunctional light electro-chemical test device of the present invention, described screw is allen screw.
In multifunctional light electro-chemical test device of the present invention, described front lid, atresia sealing lid, perforate sealing lid and the screw of sealing all adopts polytetrafluoro materials processing to make.
Therefore, the present invention can obtain following beneficial effect: by adopting Optical Electro-Chemistry of the present invention test device, both electro-conductive glass or similar transparent thin-film material working electrode had been may be used for, can be used for again being modified with the glass carbon working electrode Optical Electro-Chemistry reaction test of photoelectric, solve the deficiency that existing test apparatus function is single；Meanwhile, device of the present invention is due to good airproof performance, and can effectively control each light-receiving area of working electrode and remain unchanged, and therefore, can obtain comparatively accurate experimental data, solves existing test device experimental result accuracy and the not enough defect of science.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the front view of the multifunctional light electro-chemical test device schematic diagram of first embodiment of the invention；
Fig. 2 is the top view of the multifunctional light electro-chemical test device schematic diagram of first embodiment of the invention；
Fig. 3 is the left view of the multifunctional light electro-chemical test device schematic diagram of first embodiment of the invention；
Fig. 4 is the multifunctional light electro-chemical test device linear sweep voltammetry characteristic curve test result figure of first embodiment of the invention；
Fig. 5 is the front view of the multifunctional light electro-chemical test device schematic diagram of second embodiment of the invention；
Fig. 6 is the top view of the multifunctional light electro-chemical test device schematic diagram of second embodiment of the invention；
Fig. 7 is the left view of the multifunctional light electro-chemical test device schematic diagram of second embodiment of the invention；
Fig. 8 is the multifunctional light electro-chemical test device linear sweep voltammetry characteristic curve test result figure of second embodiment of the invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of invention described below does not constitute conflict each other.
Fig. 1, Fig. 2, Fig. 3 are the front view of multifunctional light electro-chemical test device schematic diagram of first embodiment of the invention, top view and left view.As shown in Figures 2 and 3, in the present embodiment, atresia is sealed lid 2 and is fixed on the rear end face of chemical bath cavity 9 by allen screw 1.Front sealing lid 6, atresia seal lid 2 and allen screw all adopts polytetrafluoro materials processing to make.
During use, the first O 13 is attached to chemical bath cavity 9 front end face circular hole edge, and the second O 10 is attached to chemical bath cavity 9 rear end face circular hole edge.Finishing has photoelectric TiO2Transparent conducting glass working electrode 11 and the front lid that seals 6 be sequentially coated on the first O 13 upper surface, it is fixed on chemical bath housing 3 front end face with allen screw 7 simultaneously, then electrode and reference electrode are sequentially arranged at by Pt silk on the first circular hole 5 and the second circular hole 8, and to add 3ml concentration to chemical bath cavity 9 be 0.1MKOH electrolyte solution by chemical bath rectangular channel 4.Start solar simulator so that it is logical light circular hole 14 can be utilized to light shine and be modified with photoelectric TiO2Transparent conducting glass working electrode 11 surface, electrode and reference electrode are gone between by transparent conducting glass working electrode 11, Pt silk and are connected on electrochemical workstation electrode pin successively and test, finally give linear sweep voltammetry characteristic curve, as shown in Figure 4.
From the result of Fig. 4, under a standard analog solar spectrum, finishing has the electro-conductive glass working electrode of photoelectric to clearly show that bigger density of photocurrent, simultaneously, the dark-state electric current obtained at test device is almost 0, illustrate that this photoelectric has the photoelectric response characteristic of excellence, therefore, adopt multifunctional light electro-chemical test device of the present invention, comparatively accurate experimental data can be obtained, solve existing test device experimental result accuracy and the defect of science deficiency.
Fig. 5, Fig. 6, Fig. 7 are the front view of multifunctional light electro-chemical test device schematic diagram of second embodiment of the invention, top view and left view.As shown in Figure 6 and Figure 7, in the present embodiment, the second O 10 is attached to chemical bath cavity 9 rear end face circular hole edge, and now, perforate seals lid 17 and covers the second O 10 upper surface.Perforate seals lid 17 center and has the circular hole matched with glass carbon working electrode diameter, can install glass carbon working electrode 11 by this circular hole, and circular hole is sealed by glass carbon working electrode 11, it is prevented that electrolyte leakage is out.Front sealing lid 6, perforate seal lid 17 and allen screw all adopts polytetrafluoro materials processing to make.
During use, incrustation there is photoelectric Au-TiO2Glass carbon working electrode 15 seal the circular hole in lid 17 and the second O 10, and the electrolyte contact in chemical bath 9 through perforate, perforate is sealed lid 17 and is fixed on chemical bath cavity 9 rear end face by allen screw 16.In the present embodiment, first O 13 is attached to chemical bath cavity 9 front end face circular hole edge, piezoid 18 and the front lid 6 that seals are sequentially coated on the first O 13 upper surface, it is fixed on chemical bath housing 3 front end face with soket head cap screw 7 simultaneously, then electrode and reference electrode are sequentially fixed at by Pt silk on the first circular hole 5 and the second circular hole 8, and add, in chemical bath cavity 9, the KOH electrolyte solution that 3mL concentration is 0.1M by chemical bath rectangular channel 4.Start solar simulator so that it is logical light circular hole 14, piezoid 18 and chemical bath cavity 9 can be utilized to light shine and be modified with photoelectric Au-TiO2Glass carbon working electrode 15 surface, electrode and reference electrode are gone between by glass carbon working electrode 15, Pt silk and are connected on electrochemical workstation electrode pin successively and test, finally give linear sweep voltammetry characteristic curve, as shown in Figure 8.
From the result of Fig. 8, adopt multifunctional light electro-chemical test device of the present invention, it is almost compared with in the of 0 with electric current under dark-state, under a standard analog solar spectrum, finishing has the glass carbon working electrode of photoelectric to clearly show that effective density of photocurrent, simultaneously, describe this photoelectric and there is good photoelectric response characteristic, therefore, multifunctional light electro-chemical test device of the present invention is adopted, it is possible to achieve and obtain obtaining comparatively accurate experimental data；Solve existing test device experimental result accuracy and the defect of science deficiency.
Those skilled in the art will readily understand; the foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (6)
1. a multifunctional light electro-chemical test device, including chemical bath assembly, front sealing cap assemblies and after seal cap assemblies, chemical bath assembly is used for holding electrolyte, front sealing cap assemblies is for sealing the front hole of chemical bath assembly, rear sealing cap assemblies is for sealing chemical bath assembly metapore, it is characterized in that
Described chemical bath assembly includes chemical bath housing (3), the first circular hole (5), the second circular hole (8) and chemical bath cavity (9), described first circular hole (5) and the second circular hole (8) are arranged on the sidewall of described chemical bath housing (3), being respectively used to install Pt silk to electrode and reference electrode, chemical bath cavity (9) is used for holding electrolyte to carry out Optical Electro-Chemistry reaction test；The front end face of described chemical bath housing (3) is equipped with the circular hole connecting chemical bath cavity (9) with rear end face；
Seal before described before cap assemblies includes and seal lid (6) and logical light circular hole (14), the front lid (6) that seals is used for covering the circular hole of chemical bath cavity (9) front end face, front sealing formation between lid (6) and chemical bath housing (3) and be used for the gap laying electro-conductive glass working electrode (11) or piezoid (18), the mid portion of front sealing lid (6) has just logical light circular hole (14) to electro-conductive glass working electrode (11) or piezoid (18)；
Sealing cap assemblies after described is that atresia seals lid (2) or perforate seals lid (17), when carrying out electro-conductive glass working electrode Optical Electro-Chemistry reaction test, atresia seals lid (2) and is used for covering the circular hole of chemical bath cavity (9) rear end face, the front gap sealed between lid (6) and chemical bath housing (3) is used for laying electro-conductive glass working electrode (11), and the finishing of described electro-conductive glass working electrode (11) has photoelectric；When carrying out glass carbon working electrode Optical Electro-Chemistry reaction test, the front gap sealed between lid (6) and chemical bath housing (3) is used for laying piezoid (18), and mounting opening seals lid (17), put into glass carbon working electrode (15) from its tapping to chemical bath cavity (9), described glass carbon working electrode (15) finishing has photoelectric.
2. multifunctional light electro-chemical test device as claimed in claim 1, it is characterized in that, described chemical bath cavity (9) front end face circular hole is also covered with the first O (13), front lid (6), electro-conductive glass working electrode (11) or the piezoid (18) of sealing is sequentially coated on the upper surface of the first O (13), and it is fixed on chemical bath housing (3) front end face by screw, to seal the sealing of cap assemblies before ensureing.
3. multifunctional light electro-chemical test device as claimed in claim 1 or 2, it is characterized in that, described chemical bath cavity (9) rear end face circular hole is also covered with the second O (10), atresia seals lid (2) and covers the second O (10) upper surface, and it is fixed on chemical bath housing (3) rear end face by screw, to seal the sealing of cap assemblies after ensureing.
4. multifunctional light electro-chemical test device as claimed in claim 3, it is characterised in that be additionally provided with chemical bath rectangular channel (4) on described chemical bath housing (3), for injecting electrolyte in chemical bath cavity (9).
5. multifunctional light electro-chemical test device as claimed in claim 4, it is characterised in that described screw is allen screw.
6. multifunctional light electro-chemical test device as claimed in claim 5, it is characterised in that seal lid (6) before described, atresia seals lid (2), perforate seals lid (17) and screw all adopts polytetrafluoro materials processing to make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410106606.3A CN103852501B (en) | 2014-03-21 | 2014-03-21 | A kind of multifunctional light electro-chemical test device |
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| CN201410106606.3A CN103852501B (en) | 2014-03-21 | 2014-03-21 | A kind of multifunctional light electro-chemical test device |
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| CN103852501A CN103852501A (en) | 2014-06-11 |
| CN103852501B true CN103852501B (en) | 2016-07-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105136676A (en) * | 2015-08-25 | 2015-12-09 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | Photoelectric chemical reaction device |
| CN105116040B (en) * | 2015-08-25 | 2018-05-08 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | Optical electro-chemistry reaction tank |
| CN109521069B (en) * | 2018-11-02 | 2020-09-29 | 徐州工程学院 | Multifunctional electrochemical auxiliary test box |
| CN112903792B (en) * | 2021-01-27 | 2023-06-27 | 兰州大学 | Novel multi-functional photoelectrochemistry reaction tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276157Y (en) * | 1996-11-21 | 1998-03-11 | 中国科学院南京地理与湖泊研究所 | Electrolytic bath |
| CN2670942Y (en) * | 2003-12-04 | 2005-01-12 | 惠州Tcl金能电池有限公司 | Electrochemical electrolytic cell of multi-electrode system |
| CN202450162U (en) * | 2011-11-29 | 2012-09-26 | 新奥科技发展有限公司 | Hydrogen production reaction system of photoelectric chemical pool |
| CN203299164U (en) * | 2013-06-26 | 2013-11-20 | 西南大学 | Constant-temperature multi-electrode electrolytic tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4803554B2 (en) * | 2007-07-06 | 2011-10-26 | 国立大学法人茨城大学 | Biophotochemical cell and its use |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276157Y (en) * | 1996-11-21 | 1998-03-11 | 中国科学院南京地理与湖泊研究所 | Electrolytic bath |
| CN2670942Y (en) * | 2003-12-04 | 2005-01-12 | 惠州Tcl金能电池有限公司 | Electrochemical electrolytic cell of multi-electrode system |
| CN202450162U (en) * | 2011-11-29 | 2012-09-26 | 新奥科技发展有限公司 | Hydrogen production reaction system of photoelectric chemical pool |
| CN203299164U (en) * | 2013-06-26 | 2013-11-20 | 西南大学 | Constant-temperature multi-electrode electrolytic tank |
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