CN107012475A - A kind of application of Bipolar Membrane surface powder state photochemical catalyst in water decomposition - Google Patents
A kind of application of Bipolar Membrane surface powder state photochemical catalyst in water decomposition Download PDFInfo
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Abstract
A kind of application of Bipolar Membrane surface powder state photochemical catalyst in water decomposition, the application is using the cation-exchange membrane of area load P-type semiconductor photocatalyst powder and the anion-exchange membrane of area load N-type semiconductor photocatalyst powder as Bipolar Membrane, and constitute cathode chamber and anode chamber's barrier film, it regard P-type semiconductor photocatalyst powder material as negative electrode, it regard N-type semiconductor photocatalyst powder material as anode, prepare 0.5 ~ 1.0 M catholyte and anolyte respectively afterwards, light source is used as using xenon lamp, applied voltage is under 0.5 ~ 2.0 V is acted on, it is carried out continuously photoelectrocatalysis water decomposition hydrogen manufacturing.The catalyst of powdered form is attached to Bipolar Membrane two sides by the present invention, for photoelectrocatalysis water decomposition hydrogen manufacturing, hydrogen generation efficiency is up to 90 ~ 99.8%, hydrogen purity is up to 90% ~ 99.99%, continuous operation 10 ~ 48 hours, tank voltage, hydrogen generation efficiency are held essentially constant, and realize efficient, the continuous operation of semiconductor powder state photochemical catalyst hydrogen production by water decomposition.
Description
Technical field
It is a kind of load powdered form specifically the present invention relates to a kind of application of powdered form catalyst in water decomposition
The technical scheme that the Bipolar Membrane of catalyst is applied in water decomposition hydrogen manufacturing.
Background technology
Semiconductor photoelectrocatalysielectrode technology is a kind of effective technology means for converting solar energy into chemical energy, to solving the energy
In short supply, reduction pollution pressure is significant.By the exploration and accumulation of scientists from all over the world for many years, the research in the field
Greater advance is achieved, but on the whole, using solar photoelectric catalytic efficiency still than relatively low.One of main cause is
Because photo-generate electron-hole fails to efficiently separate, it is combined again, causes photoelectric catalytically active to decline.Domestic and foreign scholars are used
Various methods separate photo-generate electron-hole, such as：Fan etc. is by TiO2It is combined with BiOCl catalyst, makes BiOCl conduction bands
Electro transfer is to TiO2On conduction band, TiO2The hole of valence band is transferred in BiOCl valence band, so as to effectively separate electron-hole
(CrystEngComm, 2014, 16: 820-825)；Zhang etc. is prepared for BiOCl nucleocapsid structure photochemical catalysts, this structure
Photo-generate electron-hole can be efficiently separated, so as to improve photocatalytic activity（CrystEngComm, 2012, 14: 700-
707）.It can be seen that, it is still that key in the urgent need to address during photoelectrocatalysis is asked to improve photo-generate electron-hole separative efficiency
Topic.
In photoelectrocatalysis actual application, semiconductor powder state catalyst has what hardly possible after easily reunion and reaction was reclaimed
Problem.Therefore, the immobilization of photochemical catalyst is to the practical extremely important of photocatalysis technology.For example, Noorjahan etc. utilizes spray
TiO has been made in the technology of splashing2- HZSM-5 laminated films, degraded of this film to poisonous phenol and organic acid in waste water has very high
Activity（Appl. Catal., B: Environmental, 2004, 47: 209-213）；Garc í a etc. are with glass microsphere
For carrier, supported titanium is prepared for using dip-coating method2Photochemical catalyst is used for degrade simulating pollution thing and municipal sewage treatment
Sewage (the Appl. Catal., B of factory: Environmental, 2011, 103:294-301), good result is achieved.
It can be seen that, in order to really realize the practical of photocatalysis technology, the immobilization of photochemical catalyst seems particularly important, await into
One step research.
The method of traditional photoelectrocatalysis water decomposition hydrogen manufacturing is by N-type semiconductor light anode and P-type semiconductor photocathode string
Yin, yang pole room is split using the gas separation membrane of printing opacity connection, centre.But with the lasting progress of reaction, anode chamber by
In oxygen evolution reaction can gradually souring, cathode chamber can gradually become alkali due to evolving hydrogen reaction, and most of anode material prefers neutrality
Or slight alkali environment, most of cathode material prefers slant acidity environment, therefore greatly limit the continuous of water decomposition reaction
Carry out.
P-type semiconductor photocatalyst powder and N-type semiconductor photocatalyst powder are individually fixed in double by present invention proposition
The surface of pole film both sides, and as the barrier film of yin, yang pole room, photoelectrocatalysis water decomposition hydrogen manufacturing is carried out, it is to be examined based on following
Consider：1. under photoelectric action, water decomposition generation H occurs for Bipolar Membrane intermediate layer+ And OH-Ion, H+Ion permeable cation
Exchange membrane enters cathode chamber, and generation evolving hydrogen reaction is consumed at negative electrode, OH-Ion permeable anion-exchange membrane enters anode
Room, and generation oxygen evolution reaction is consumed at anode.Therefore, the stabilization of cathode chamber and anode chamber pH can be kept in theory, this
Be conducive to the steady operation of semiconductor light-catalyst powder, reaction is continued progress.2. it is fixed with semiconductor using surface
Oxygen anodic evolution reaction and cathode hydrogen evolution can be reacted effective by the Bipolar Membrane of photocatalyst powder as the barrier film of yin, yang pole room
Ground Split is in two pole rooms, it is to avoid hydrogen, the oxygen generated intersects, further in conjunction with generation hydrone, not only increases water decomposition effect
Rate, and the higher hydrogen of purity is made.3. consider from thermodynamics, the H of Bipolar Membrane water decomposition generation+More hold than hydrone
Easily reduce, and OH-It is easier occur oxidation reaction than hydrone, further increases water decomposition efficiency.
The content of the invention
Problem of the invention is that in the prior art semiconductor light-catalyst powder easily reunite and reaction after it is difficult reclaim ask
Topic, the problem of semiconductor light-catalyst photo-generate electron-hole low separation efficiency, semiconductor light-catalyst can not stablize, efficiently, hold
The problem of continuous work, and a kind of application of Bipolar Membrane surface powder state photochemical catalyst in water decomposition is provided.
In order to solve the above problems, a kind of Bipolar Membrane surface powder state photochemical catalyst provided by the present invention is in water decomposition
Application, the application is with the cation-exchange membrane of area load P-type semiconductor photocatalyst powder and area load N-type half
The anion-exchange membrane of conductor photocatalyst powder is Bipolar Membrane, and constitutes cathode chamber and anode chamber's barrier film, by P-type semiconductor light
Catalyst powder powder material is as negative electrode, using N-type semiconductor photocatalyst powder material as anode, after prepare 0.5 ~ 1.0 respectively
M catholyte and anolyte, using xenon lamp as light source, applied voltage is under 0.5 ~ 2.0 V is acted on, to be carried out continuously
Photoelectrocatalysis water decomposition hydrogen manufacturing.
The additional technical feature of such scheme is as follows.
The P-type semiconductor photocatalyst powder is Ag2O、NiO、Cu2One kind or its combination in O, CoO and SnO.
The N-type semiconductor photocatalyst powder is ZnO, TiO2、Fe2O3, CdS and SnO2In one kind or its combination.
The catholyte is H2SO4And HClO4One kind in solution, during anolyte is KOH and NaOH solution
It is a kind of.
The Bipolar Membrane is composited by cation-exchange membrane, anion-exchange membrane.
A kind of application of above-mentioned the provided Bipolar Membrane surface powder state photochemical catalyst of the present invention in water decomposition is provided, with
Prior art is compared, the light-catalysed Bipolar Membrane of area load powdered form of the present invention as cathode chamber and anode chamber every
Film, the barrier film carries out photoelectrocatalysis water decomposition hydrogen under sunshine and electric field action, efficiently solves conductor photocatalysis
After agent powder is easily reunited and reacted the problem of difficult recovery；Meanwhile, utilize the fixation anionic group in cation-exchange membrane and the moon
Fixed cation group efficiently separates hole-electron respectively to hole and the sucking action of electronics in amberplex, solves
The problem of photo-generate electron-hole low separation efficiency during semiconductor photoelectrocatalysielectrode of having determined；Importantly, boundary in Bipolar Membrane
Water decomposition generation H occurs for surface layer+And OH-Ion, maintains yin, yang pole room pH stabilization, is conducive to semiconductor light-catalyst powder
Stable, efficient, continuous firing.This invention carries out photoelectrocatalysis water decomposition hydrogen manufacturing, and hydrogen generation efficiency is up to 90 ~ 99.8%, hydrogen purity
Up to 90 ~ 99.99%, continuously run 10 ~ 48 hours, tank voltage, hydrogen generation efficiency are held essentially constant, and realize semiconductor powder
Efficient, the continuous operation of state photochemical catalyst hydrogen production by water decomposition.
In summary, its advantage embodies a concentrated reflection of as follows with good effect.
The problem of present invention solves difficult recovery after semiconductor light-catalyst powder is easily reunited and reacted.
The present invention utilizes the fixation anionic group in cation-exchange membrane and cation fixed in anion-exchange membrane
To hole and the sucking action of electronics, hole-electron is efficiently separated respectively for group, during solving semiconductor photoelectrocatalysielectrode
The problem of photo-generate electron-hole low separation efficiency.
Using Bipolar Membrane intermediate layer water decomposition generation H occurs for the present invention+And OH-Ion, maintains yin, yang pole room pH
Stabilization, solve semiconductor light-catalyst can not stablize, efficiently, continuous firing the problem of.
The present invention is combined Photocatalitic Technique of Semiconductor with Bipolar Membrane water decomposition technology, concerted catalysis water decomposition hydrogen manufacturing, production
Hydrogen efficiency is up to 90 ~ 99.8%, and hydrogen purity is up to 90% ~ 99.99%, continuously runs 10 ~ 48 hours, tank voltage, hydrogen generation efficiency base
This holding is constant, realizes efficient, the continuous operation of semiconductor powder state photochemical catalyst hydrogen production by water decomposition.
Brief description of the drawings
Fig. 1 is the schematic diagram that Bipolar Membrane both side surface of the present invention loads powdery photocatalyst.In figure：1- anion exchanges
Film；2- cation-exchange membranes；3-P type semiconductor light-catalyst powder；4-N type semiconductor light-catalyst powder；Cation exchange
Film and anion-exchange membrane, which are combined, obtains Bipolar Membrane.
Fig. 2 is the sodium carboxymethylcellulose crosslinking schematic diagram that the present invention prepares cation-exchange membrane.
Fig. 3 is the chitosan and glutaraldehyde cross-linking schematic diagram that the present invention prepares anion-exchange membrane.
Fig. 4 is the Cross Section Morphology figure of Bipolar Membrane in the present invention, and lower left corner illustration, which presents Bipolar Membrane, has good printing opacity
Performance, is conducive to preferably absorbing sunshine；Upper right corner illustration is that Bipolar Membrane soaks the picture after 48 hours, table in distilled water
Bright Bipolar Membrane is water insoluble, is conducive to it stably to work in aqueous.
Fig. 5 is the device that the present invention carries out photoelectrocatalysis experiment using the Bipolar Membrane of area load semiconductor catalyst powder
Schematic diagram.
During Fig. 6 is the embodiment of the present invention 1, the both sides of preparation load powdery photocatalyst Bipolar Membrane and urged with unsupported respectively
The contact angle of agent powder Bipolar Membrane.In figure, the cation-exchange membrane surface contact angle of (a)-unsupported catalyst fines；(b)-
The anion-exchange membrane surface contact angle of unsupported catalyst fines Bipolar Membrane；(c)-area load Cu2O powder photocatalysts
Cation-exchange membrane surface contact angle；(d)-area load TiO2The anion-exchange membrane surface contact angle of powder photocatalyst.
Loading powdery photocatalyst Bipolar Membrane has smaller contact angle, shows that its hydrophily more preferably, promotes boundary in Bipolar Membrane
Surface layer water decomposition, is conducive to the pH gradient for maintaining yin, yang pole room stable.
During Fig. 7 is the embodiment of the present invention 1, the voltage drop (IR) of load powdery photocatalyst Bipolar Membrane changes over time song
Line chart.
During Fig. 8 is the embodiment of the present invention 1, the tank voltage for loading powdery photocatalyst Bipolar Membrane is bent with current density change
Line chart.
During Fig. 9 is the embodiment of the present invention 1, the AC impedance curve map of powdery photocatalyst Bipolar Membrane is loaded.
During Figure 10 is the embodiment of the present invention 1, yin, yang pole room pH change curves.
During Figure 11 is the embodiment of the present invention 1, the energy expenditure figure of photoelectrocatalysis water decomposition hydrogen manufacturing.
During Figure 12 is the embodiment of the present invention 1, the production of photoelectrocatalysis water decomposition hydrogen manufacturing is carried out using supported catalyst Bipolar Membrane
Hydrogen efficiency figure.
During Figure 13 is the embodiment of the present invention 1, photoelectrocatalysis water decomposition hydrogen manufacturing is carried out using unsupported catalyst Bipolar Membrane
Hydrogen generation efficiency figure.
Embodiment
The embodiment to the present invention is further illustrated below.
Embodiment 1
Cathode chamber and the barrier film of anode chamber are used as using the light-catalysed Bipolar Membrane of area load powdered form（Wherein, Bipolar Membrane is constituted
Cation-exchange membrane area load Ag2O semiconductor light-catalyst powder, constitutes the anion-exchange membrane area load of Bipolar Membrane
TiO2Semiconductor light-catalyst powder）, by Ag2O semiconductor light-catalysts dusty material is as negative electrode, by TiO2Semiconductor light is urged
Agent dusty material is used as anode, 0.5 M H2SO4Solution is used as anode electrolysis as catholyte, 1.0 M KOH solution
Liquid；Using xenon lamp as simulated solar radiant, applied voltage is under 1.0 V are acted on, to be carried out continuously photoelectrocatalysis water decomposition system
Hydrogen.
Hydrogen generation efficiency result is bipolar using supported catalyst under same current density as shown in accompanying drawing 12 and accompanying drawing 13
Film has bigger hydrogen generation efficiency than unsupported catalyst Bipolar Membrane as barrier film, and especially under illumination condition, hydrogen generation efficiency is more
Height, when current density is 90 mA cm-2When, hydrogen generation efficiency is up to 98.7%；Simultaneously using the method for chromatography of gases on-line checking,
The purity for measuring hydrogen is 99.8%.After continuous operation 15 hours, tank voltage, hydrogen generation efficiency are held essentially constant, and are realized and are partly led
Efficient, the continuous operation of body powdery photocatalyst hydrogen production by water decomposition.
Embodiment 2
Cathode chamber and the barrier film of anode chamber are used as using the light-catalysed Bipolar Membrane of area load powdered form（Wherein, Bipolar Membrane is constituted
Cation-exchange membrane area load Ag2O semiconductor light-catalyst powder, constitutes the anion-exchange membrane area load of Bipolar Membrane
Fe2O3Semiconductor light-catalyst powder）, by Ag2O semiconductor light-catalysts dusty material is as negative electrode, by Fe2O3Semiconductor light is urged
Agent dusty material is used as anode, 0.5 M H2SO4Solution is used as anode electrolysis as catholyte, 0.5 M KOH solution
Liquid；Using xenon lamp as simulated solar radiant, applied voltage is under 0.8 V is acted on, to be carried out continuously photoelectrocatalysis water decomposition system
Hydrogen.
Result of study is shown, under same current density, more bipolar than unsupported catalyst using supported catalyst Bipolar Membrane
Film has bigger hydrogen generation efficiency as barrier film, and especially under illumination condition, hydrogen generation efficiency is higher, when current density is 90 mA
cm-2When, hydrogen generation efficiency is up to 99.1%；Simultaneously using the method for chromatography of gases on-line checking, the purity for measuring hydrogen is 99.9%.
After continuous operation 10 hours, tank voltage, hydrogen generation efficiency are held essentially constant, and realize semiconductor powder state photochemical catalyst decomposition water
Efficient, the continuous operation of hydrogen manufacturing.
Embodiment 3
Cathode chamber and the barrier film of anode chamber are used as using the light-catalysed Bipolar Membrane of area load powdered form（Wherein, Bipolar Membrane is constituted
Cation-exchange membrane area load CoO semiconductor light-catalyst powder, constitutes the anion-exchange membrane area load ZnO of Bipolar Membrane
Semiconductor light-catalyst powder）, using CoO semiconductor light-catalysts dusty material as negative electrode, by ZnO semiconductor light-catalyst powder
Powder material is used as anode, 1.0 M H2SO4Solution is used as anolyte as catholyte, 1.0 M KOH solution；Adopt
With xenon lamp as simulated solar radiant, applied voltage is under 1.0 V are acted on, to be carried out continuously photoelectrocatalysis water decomposition hydrogen manufacturing.
Result of study is shown, under same current density, more bipolar than unsupported catalyst using supported catalyst Bipolar Membrane
Film has bigger hydrogen generation efficiency as barrier film, and especially under illumination condition, hydrogen generation efficiency is higher, when current density is 90 mA
cm-2When, hydrogen generation efficiency is up to 99.3%；Simultaneously using the method for chromatography of gases on-line checking, the purity for measuring hydrogen is 99.7%.
After continuous operation 18 hours, tank voltage, hydrogen generation efficiency are held essentially constant, and realize semiconductor powder state photochemical catalyst decomposition water
Efficient, the continuous operation of hydrogen manufacturing.
Embodiment 4
Cathode chamber and the barrier film of anode chamber are used as using the light-catalysed Bipolar Membrane of area load powdered form（Wherein, Bipolar Membrane is constituted
Cation-exchange membrane area load Cu2O semiconductor light-catalyst powder, constitutes the anion-exchange membrane area load of Bipolar Membrane
CdS semiconductor light-catalyst powder）, by Cu2O semiconductor light-catalysts dusty material is as negative electrode, by CdS conductor photocatalysis
Agent dusty material is used as anode, 0.5 M HClO4Solution is used as anode electrolysis as catholyte, 0.5 M NaOH solution
Liquid；Using xenon lamp as simulated solar radiant, applied voltage is under 1.5 V are acted on, to be carried out continuously photoelectrocatalysis water decomposition system
Hydrogen.
Result of study is shown, under same current density, more bipolar than unsupported catalyst using supported catalyst Bipolar Membrane
Film has bigger hydrogen generation efficiency as barrier film, and especially under illumination condition, hydrogen generation efficiency is higher, when current density is 90 mA
cm-2When, hydrogen generation efficiency is up to 99.5%；Simultaneously using the method for chromatography of gases on-line checking, the purity for measuring hydrogen is 99.6%.
After continuous operation 16 hours, tank voltage, hydrogen generation efficiency are held essentially constant, and realize semiconductor powder state photochemical catalyst decomposition water
Efficient, the continuous operation of hydrogen manufacturing.
Embodiment 5
Cathode chamber and the barrier film of anode chamber are used as using the light-catalysed Bipolar Membrane of area load powdered form（Wherein, Bipolar Membrane is constituted
Cation-exchange membrane area load NiO semiconductor light-catalyst powder, constitutes the anion-exchange membrane area load of Bipolar Membrane
SnO2Semiconductor light-catalyst powder）, using NiO semiconductor light-catalysts dusty material as negative electrode, by SnO2Conductor photocatalysis
Agent dusty material is used as anode, 1.0 M HClO4Solution is used as anode electrolysis as catholyte, 1.0 M NaOH solution
Liquid；Using xenon lamp as simulated solar radiant, applied voltage is under 2.0 V are acted on, to be carried out continuously photoelectrocatalysis water decomposition system
Hydrogen.
Result of study is shown, under same current density, more bipolar than unsupported catalyst using supported catalyst Bipolar Membrane
Film has bigger hydrogen generation efficiency as barrier film, and especially under illumination condition, hydrogen generation efficiency is higher, when current density is 90 mA
cm-2When, hydrogen generation efficiency is up to 99.6%；Simultaneously using the method for chromatography of gases on-line checking, the purity for measuring hydrogen is 99.9%.
After continuous operation 20 hours, tank voltage, hydrogen generation efficiency are held essentially constant, and realize semiconductor powder state photochemical catalyst decomposition water
Efficient, the continuous operation of hydrogen manufacturing.
A kind of embodiment 1 ~ 5 described in the invention described above, the Bipolar Membrane area load powdered form catalyst provided exists
Application in water decomposition, the preparation method of the Bipolar Membrane area load powdery photocatalyst of its application is as follows：
（1）Carboxymethyl cellulose or the cellulose acetate aqueous solution that preparation mass fraction is 2.0 ~ 5.0%, and 2.0 ~ 5.0%
Polyvinyl alcohol or aqueous povidone solution, after mixing and are stirred continuously to form jelly, standing and defoaming 30 ~ 60 minutes,
It is cast on clean band frame glass plate, room temperature obtains the cation-exchange membrane that thickness is 30 ~ 60 μm after air-drying.
（2）Weigh 0.5 ~ 2.0g P-type semiconductor photocatalyst powders, be scattered under ultrasonic oscillation 100 mL water or
In absolute ethyl alcohol, continue concussion and be uniformly dispersed for 2.0 hours, the cation-exchange membrane surface of above-mentioned preparation is poured into, using metal
Ion carries out crosslinking 5 ~ 15 minutes, and after 30 ~ 60 °C of drying, P-type semiconductor photocatalyst powder is attached to cation-exchange membrane table
Face.
（3）By step（2）In cation-exchange membrane top and bottom overturn, be close to the surface of supported catalyst and soaked
Glass plate on, another surface（The surface of i.e. unsupported catalyst）Upward.
（4）The aqueous solution of chitosan, polyimides or benzimidazole that preparation mass fraction is 2.0 ~ 5.0%, and 2.0 ~
5.0% polyvinyl alcohol or aqueous povidone solution, after mixing and is stirred continuously to form jelly, standing and defoaming 30 ~ 60
Minute, it is cast in step（3）In cation-exchange membrane surface, room temperature air-dry after obtain thickness be 30 ~ 60 μm anion hand over
Change film.
（5）Weigh 0.5 ~ 2.0g N-type semiconductor photocatalyst powders, be scattered under ultrasonic oscillation 100 mL water or
In absolute ethyl alcohol, continue concussion and be uniformly dispersed for 2.0 hours, the anion-exchange membrane surface of above-mentioned preparation is poured into, using aldehydes
Crosslinking agent carries out crosslinking 5 ~ 15 minutes, and after 30 ~ 60 °C of drying, N-type semiconductor photocatalyst powder is attached to anion-exchange membrane
Surface.
Wherein, described described P-type semiconductor photocatalyst powder is Ag2O、NiO、Cu2One kind in O, CoO and SnO
Or its combination；Described metal ion is Fe3+、Sn2+And Ti4+In one kind；Described N-type semiconductor photocatalyst powder is
ZnO、TiO2、Fe2O3, CdS and SnO2In one kind or its combination；Described aldehyde crosslinking agent is in glutaraldehyde and butanedial
It is a kind of；Described Bipolar Membrane is composited by cation-exchange membrane, anion-exchange membrane.
The Bipolar Membrane area load powdery photocatalyst of above-mentioned preparation, is by P-type semiconductor photocatalyst powder and N-type
Semiconductor light-catalyst powder is carried on the both side surface of Bipolar Membrane respectively, and this film translucency is good and can effectively absorb the sun
Anionic group and cation group are fixed in light, Bipolar Membrane has sucking action to hole and electronics respectively, can be by hole-electricity
Son is efficiently separated；Water decomposition generation H occurs for Bipolar Membrane intermediate layer+And OH-Ion, maintains yin, yang pole room pH stabilization,
Photocatalitic Technique of Semiconductor being combined with Bipolar Membrane water decomposition technology, concerted catalysis water decomposition hydrogen manufacturing, hydrogen generation efficiency is up to 90 ~
99.8%, hydrogen purity is up to 90% ~ 99.99%, continuously runs 10 ~ 48 hours, tank voltage, hydrogen generation efficiency are held essentially constant, real
Efficient, the continuous operation of semiconductor powder state photochemical catalyst water decomposition hydrogen manufacturing are showed.
Claims (5)
1. a kind of application of Bipolar Membrane surface powder state photochemical catalyst in water decomposition, the application is with area load p-type half
The cation-exchange membrane of conductor photocatalyst powder and the anion-exchange membrane of area load N-type semiconductor photocatalyst powder are
Bipolar Membrane, and cathode chamber and anode chamber's barrier film are constituted, using P-type semiconductor photocatalyst powder as negative electrode, by N-type semiconductor light
Catalyst fines as anode, after prepare 0.5 ~ 1.0 M catholyte and anolyte respectively, light is used as using xenon lamp
Source, applied voltage is under 0.5 ~ 2.0 V is acted on, to be carried out continuously photoelectrocatalysis water decomposition hydrogen manufacturing.
2. application of the Bipolar Membrane surface powder state photochemical catalyst as claimed in claim 1 in water decomposition, the P-type semiconductor
Photocatalyst powder is Ag2O、NiO、Cu2One kind or its combination in O, CoO and SnO.
3. application of the Bipolar Membrane surface powder state photochemical catalyst as claimed in claim 1 in water decomposition, the N-type semiconductor
Photocatalyst powder is ZnO, TiO2、Fe2O3, CdS and SnO2In one kind or its combination.
4. application of the Bipolar Membrane surface powder state photochemical catalyst as claimed in claim 1 in water decomposition, the catholyte
Liquid is H2SO4And HClO4One kind in solution, anolyte is one kind in KOH and NaOH solution.
5. application of the Bipolar Membrane surface powder state photochemical catalyst as claimed in claim 1 in water decomposition, the Bipolar Membrane is
It is composited by cation-exchange membrane, anion-exchange membrane.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779909A (en) * | 2017-11-07 | 2018-03-09 | 太原师范学院 | A kind of application of photoelectrocatalysis film |
| CN109082677A (en) * | 2018-09-11 | 2018-12-25 | 太原师范学院 | A kind of application of the Bipolar Membrane of area load graphite alkene in photoelectrocatalysis water decomposition |
| CN110079816A (en) * | 2019-04-30 | 2019-08-02 | 太原师范学院 | A kind of device and method of photoelectrocatalysis fixed nitrogen synthesis ammonia |
| CN111101142A (en) * | 2018-10-26 | 2020-05-05 | 中国科学院金属研究所 | Construction method of graphical integrated high-efficiency photocatalytic decomposition water system |
| CN114318388A (en) * | 2022-01-25 | 2022-04-12 | 山西大学 | Photoelectrocatalysis olefin hydrogenation device and application thereof |
| CN114672819A (en) * | 2022-03-10 | 2022-06-28 | 东南大学 | Method and system for preparing hydrogen by coupling photoelectrocatalysis PET plastic oxidation with water decomposition |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779909A (en) * | 2017-11-07 | 2018-03-09 | 太原师范学院 | A kind of application of photoelectrocatalysis film |
| CN107779909B (en) * | 2017-11-07 | 2019-05-07 | 太原师范学院 | A kind of application of photoelectrocatalysis film |
| CN109082677A (en) * | 2018-09-11 | 2018-12-25 | 太原师范学院 | A kind of application of the Bipolar Membrane of area load graphite alkene in photoelectrocatalysis water decomposition |
| CN109082677B (en) * | 2018-09-11 | 2019-09-03 | 太原师范学院 | A kind of application of the Bipolar Membrane of area load graphite alkene in photoelectrocatalysis water decomposition |
| CN111101142A (en) * | 2018-10-26 | 2020-05-05 | 中国科学院金属研究所 | Construction method of graphical integrated high-efficiency photocatalytic decomposition water system |
| CN111101142B (en) * | 2018-10-26 | 2021-05-18 | 中国科学院金属研究所 | Construction method of graphical integrated high-efficiency photocatalytic decomposition water system |
| CN110079816A (en) * | 2019-04-30 | 2019-08-02 | 太原师范学院 | A kind of device and method of photoelectrocatalysis fixed nitrogen synthesis ammonia |
| CN110079816B (en) * | 2019-04-30 | 2020-06-19 | 太原师范学院 | Device and method for synthesizing ammonia by photoelectrocatalysis nitrogen fixation |
| CN114318388A (en) * | 2022-01-25 | 2022-04-12 | 山西大学 | Photoelectrocatalysis olefin hydrogenation device and application thereof |
| CN114318388B (en) * | 2022-01-25 | 2023-12-26 | 山西大学 | Photoelectrocatalysis olefin hydrogenation device and application thereof |
| CN114672819A (en) * | 2022-03-10 | 2022-06-28 | 东南大学 | Method and system for preparing hydrogen by coupling photoelectrocatalysis PET plastic oxidation with water decomposition |
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