CN106809918A - A kind of carbon nano tube modified lead dioxide electrode and preparation method thereof - Google Patents
A kind of carbon nano tube modified lead dioxide electrode and preparation method thereof Download PDFInfo
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Abstract
The invention provides a kind of carbon nano tube modified lead dioxide electrode for electrocatalytic oxidation process and preparation method thereof.The preparation method of described lead dioxide electrode includes titanium plate pretreatment, heat deposition tin-antimony oxide bottom, electro-deposition α-PbO2Intermediate layer, electro-deposition β-PbO2Internal layer, electrophoresis CNT interlayer, electro-deposition β-PbO2Top layer.Carbon nano tube modified lead dioxide electrode prepared by the present invention has the advantages that specific surface area is big, hydroxyl radical free radical produces that ability is strong, the active high and long service life of electrocatalytic oxidation, is a kind of electrode material for being suitable to electrocatalytic oxidation process for having a development potentiality.
Description
Technical field
The present invention relates to a kind of carbon nano tube modified lead dioxide electrode and preparation method thereof, and electrocatalytic oxidation removal organic pollutants are used it for, belong to water technology and electrochemical field.
Background technology
In recent years, Electrocatalytic Oxidation because have the advantages that not consume or seldom consumption chemical reagent, do not bring secondary pollution, operational control easily, can the other method such as mineralising refractory organic hardly match, it has also become the study hotspot of water technology.But the current efficiency that also there is electrode at present is low, the shortcomings of electrode life is short or electrode involves great expense.Therefore how to prepare with electrocatalytic oxidation high activity, high stability, and cheap electrode is a major issue of the area research.
Lead dioxide electrode is one of relatively broad electrode material of research, conductive good, corrosion resistance is strong, low cost, the features such as preparation method is simple and easy to apply, oxygen evolution potential is higher, oxidability is stronger.But current efficiency is low and the shorter shortcoming of service life being still suffered from using process for lead dioxide electrode.Therefore, in recent years, substantial amounts of scholar be devoted to carrying out lead dioxide electrode it is effective modified, to improve the current efficiency and stability of lead dioxide electrode.Such as patent CN101054684A provides a kind of preparation method of Lead dioxide anode modifiedby fluorine resin, and its obtained lead dioxide electrode has the advantages that coating internal stress is small, adhesion is good and electrode life is long；Patent CN101417831 proposes a kind of high absorption property particle（Such as Powdered Activated Carbon or shitosan）With a kind of active metal（Such as bismuth, nickel, lanthanum, cerium, erbium）Modified titanium-based Lead dioxide anode modifiedby fluorine resin, it has the advantages that electrode cost is relatively low, the oxidation organic pollutants higher, internal stress of activity is small and electrode life is long.
CNT is lightweight as monodimension nanometer material, and hexagonal structure connection is perfect, with many abnormal mechanics, electricity and chemical property.In recent years as its wide application prospect of going deep into of CNT and nano materials research also constantly shows.Therefore, it is proposed that in introducing carbon nanotubes to the active layer of lead dioxide electrode, to improve the electrocatalytic oxidation activity of electrode and the service life of electrode.
The content of the invention
The purpose of the present invention is：A kind of carbon nano tube modified lead dioxide electrode and preparation method thereof is provided, and utilize the electrode Electro-catalytic Oxidation Process organic pollutants, obtained carbon nano tube modified lead dioxide electrode has specific surface area big, electrocatalytic oxidation activity height, long service life, preparation method be simple, it is cheap the advantages of.
The object of the present invention is achieved like this, and the carbon nano tube modified lead dioxide electrode includes：
Titanium plate matrix；
Tin-antimony oxide bottom of the heat deposition on titanium plate matrix；
It is electrodeposited in the α-PbO on tin-antimony oxide bottom2Intermediate layer；
It is electrodeposited in α-PbO2β-PbO on intermediate layer2Internal layer；
Electrophoresis is in β-PbO2CNT interlayer on internal layer；
It is electrodeposited in the β-PbO on CNT interlayer2Outer layer.
The preparation method of described carbon nano tube modified lead dioxide electrode is comprised the following steps：
1., the pretreatment of Titanium base：Titanium plate matrix is polished successively until silvery white metallic luster is presented with the sand paper of 120 mesh, 600 mesh and 1200 mesh first；Ultrasonically treated 10 minutes during the titanium plate matrix polished is sequentially placed into acetone and deionized water again, the greasy dirt and other impurity on removal titanium plate surface；Then the titanium plate matrix after will be ultrasonically treated is etched 2 hours in being immersed in oxalic acid etching liquid under conditions of 80 DEG C ~ micro-boiling, the titanium plate matrix after etching is placed in during oxalic acid preserves liquid after taking-up is preserved.
Described oxalic acid etching liquid is that 150 grams of oxalic acid are dissolved in 1 liter of deionized water, stirs and is formulated；It is that 10 grams of oxalic acid are dissolved in 1 liter of deionized water that described oxalic acid preserves liquid, stirs and is formulated.
2., the preparation of tin-antimony oxide bottom：Coating liquid is made during butter of tin and trichloride antimony are dissolved in into concentrated hydrochloric acid and isopropyl alcohol mixture, coating liquid is coated on the titanium plate matrix surface after 1. middle treatment, dried 10 minutes at 120 DEG C in the electrically heated drying cabinet, the titanium plate matrix of drying is placed in Muffle furnace at 500 DEG C is again calcined 10 minutes, so it is repeated 10 times, roasting time of the last time in Muffle furnace is 1 hour, naturally cools to room temperature.
③、α-PbO2The preparation in intermediate layer：The titanium plate matrix with tin-antimony oxide bottom that 2. step is prepared as anode, the stainless steel plate of homalographic as negative electrode, the electro-deposition α-PbO in the alkali plating solution dissolved with PbO2Intermediate layer, electrode spacing is 3cm, and the current density of electro-deposition is 3mA/cm2, depositing temperature is 40 DEG C, and sedimentation time is 1 hour, electrodeposition process stirring, after electro-deposition terminates, will be with α-PbO with deionized water2The titanium plate in intermediate layer is cleaned.
④、β-PbO2The preparation of internal layer：By step 3. in it is obtained with α-PbO2, used as anode, the stainless steel plate of homalographic is used as negative electrode, the electro-deposition β-PbO in acid fluorine-containing plumbi nitras plating solution for the titanium plate matrix in intermediate layer2Internal layer, electrode spacing is 3cm, and the current density of electro-deposition is 15mA/cm2, depositing temperature is 65 DEG C, and sedimentation time is 30min, and electrodeposit liquid volume is 100mL, is stirred in deposition process, after electro-deposition terminates, will be with β-PbO with deionized water2The titanium plate of internal layer is cleaned.
5., the preparation of CNT interlayer：By step 4. in it is obtained with β-PbO2The titanium plate matrix of internal layer is used as anode, the stainless steel plate of homalographic is used as negative electrode, the electrophoresis CNT interlayer in carbon nano tube suspension, electrode spacing is 3cm, and electrophoretic voltage is 10-30V, and electrophoresis time is 5-20min, suspension vol is 100mL, operate at room temperature, do not stirred in electrophoresis process, electrophoresis dries 1 hour the titanium plate with CNT interlayer in 50 DEG C after terminating.
⑥、β-PbO2The preparation of outer layer：Using step 5. in the obtained titanium plate matrix with CNT interlayer as anode, the stainless steel plate of homalographic is used as negative electrode, electrode spacing 3cm, the electro-deposition β-PbO in acid fluorine-containing plumbi nitras plating solution2Outer layer, the current density of electro-deposition is 15mA/cm2, depositing temperature is 65 DEG C, and sedimentation time is 5-15min, and electrodeposit liquid volume is 100mL, and deposition process is not stirred, and deposition will be with β-PbO with deionized water after terminating2The lead dioxide electrode of outer layer is cleaned.
Step 2. described in coating liquid be by 20 grams of butter of tin, 2 grams of trichloride antimony, mass concentration be 13 milliliters of 37% concentrated hydrochloric acid, the mixing of 87 milliliters of isopropanol, and stir and be formulated.
Step 3. described in the alkali plating solution dissolved with PbO be that PbO and NaOH are added in deionized water, heating stirring is completely dissolved to PbO, naturally cool to room temperature configuration to form, each component content of plating solution is the mol/Ls of PbO 0.1, the mol/L of NaOH 3.5.
Step 4. with step 6. described in acid fluorine-containing plumbi nitras plating solution be that plumbi nitras, nitric acid, sodium fluoride are dissolved in deionized water, stir and be formulated, each component content of plating solution is the mol/L of plumbi nitras 0.5, the mol/L of nitric acid 1.0, the mol/L of sodium fluoride 0.05.
The 5. described carbon nano tube suspension of step is by neopelex（Or the anion surfactant such as dodecyl sodium sulfate）It is dissolved in deionized water and obtains A liquid, then CNT is added in A liquid, stir and ultrasound 30-60min is made, each component content is 0.5 ~ 2 g/l of CNT, neopelex in suspension（Or the anion surfactant such as dodecyl sodium sulfate）0.01 ~ 0.1 g/l.
The present invention has following features：
（1）The surface-active layer of the carbon nano tube modified lead dioxide electrode prepared by the present invention is by β-PbO2Internal layer, CNT interlayer and β-PbO2Outer layer is constituted.
（2）Carbon nano tube modified lead dioxide electrode Electro-catalytic Oxidation Process parachlorophenol prepared by the present invention, total organic Carbon removal is 2.1 times of common lead dioxide electrode in solution, 1.7 times up to common lead dioxide electrode of service life.
（3）Difficult for biological degradation organic pollution in carbon nano tube modified lead dioxide electrode degradation water prepared by the present invention, process is simple, effect is obvious, convenient management, the processing method for being adapted as organic wastewater is independently operated, and can also be used with other technical tie-ups as the pretreatment technology of bioanalysis.
Brief description of the drawings
Fig. 1 is the structural representation of carbon nano tube modified lead dioxide electrode of the present invention.
Fig. 2 is the scanning electron microscope (SEM) photograph of common lead dioxide electrode.
Fig. 3 is electro-deposition β-PbO of the present invention2Internal layer 30min- electrophoresis CNT interlayer 10min- electro-deposition β-PbO2The scanning electron microscope (SEM) photograph of the carbon nano tube modified lead dioxide electrode of outer layer 5min.
Fig. 4 is electro-deposition β-PbO of the present invention2Internal layer 30min- electrophoresis CNT interlayer 10min- electro-deposition β-PbO2The scanning electron microscope (SEM) photograph of the carbon nano tube modified lead dioxide electrode of outer layer 10min.
Specific embodiment
For the ease of the comparing of product of the present invention, we are prepared for common titanium-based Lead dioxide anode modifiedby fluorine resin, and specific preparation method is as follows：
（1）Successively with 120 mesh, 600 mesh and 1200 mesh sand papering titanium plate matrixes（30 millimeters × 50 millimeters × 0.8 millimeter）, until titanium plate matrix is presented silvery white metallic luster, ultrasonically treated 10 minutes during the titanium plate matrix polished is sequentially placed into acetone and deionized water, remove the greasy dirt and other impurity of matrix surface；Then the titanium plate matrix after will be ultrasonically treated is immersed in oxalic acid etching liquid（Oxalic acid etching liquid is that 150 grams of oxalic acid are dissolved in 1 liter of deionized water, stirs and is formulated）Etched 2 hours at 85 DEG C, oxalic acid is placed in after taking-up and preserves liquid（It is that 10 grams of oxalic acid are dissolved in 1 liter of deionized water that oxalic acid preserves liquid, stirs and is formulated）Middle preservation.
（2）Coating liquid is made during butter of tin and trichloride antimony are dissolved in into concentrated hydrochloric acid and isopropyl alcohol mixture（It by 20 grams of butters of tin, 2 grams of trichloride antimonies, 13 milliliters of mass concentrations is that 37% concentrated hydrochloric acid, 87 milliliters of isopropanols mix that coating liquid is, and stirs and be formulated）, by step（1）In be stored in oxalic acid preserve liquid in titanium plate matrix take out, surface is cleaned using deionized water, coating liquid is coated on clean titanium plate matrix, dried 10 minutes at 120 DEG C in the electrically heated drying cabinet, the titanium plate matrix after drying is placed in Muffle furnace at 500 DEG C is again calcined 10 minutes, be so repeated 10 times, the roasting time in Muffle furnace is 1 hour for the last time, room temperature is naturally cooled to, the titanium plate matrix with tin-antimony oxide bottom is obtained.
（3）By step（2）The titanium plate matrix with tin-antimony oxide bottom for preparing is used as anode, using the stainless steel plate of homalographic as negative electrode, the electro-deposition α-PbO in 100 milliliters of alkali plating solutions dissolved with 0.1 mol/L PbO and 3.5 mol/L NaOH2Intermediate layer, electrode spacing is 3cm, and the current density of electro-deposition is 3mA/cm2, depositing temperature is 40 DEG C, and sedimentation time is 1 hour, is stirred in electrodeposition process.Electro-deposition is washed with deionized water only after terminating, and obtains with α-PbO2The titanium plate matrix in intermediate layer.
（4）By step（3）Prepare with α-PbO2The titanium plate matrix in intermediate layer as anode, the stainless steel plate of homalographic as negative electrode, the electro-deposition β-PbO in 100 milliliters of acidic baths containing 0.5 mol/L plumbi nitras, 0.05 mol/L sodium fluoride and 1 mol/L nitric acid2Surface-active layer, electrode spacing is 3cm, and electro-deposition current density is 15mA/cm2, depositing temperature is 65 DEG C, and sedimentation time is 1 hour, electrodeposition process stirring.Electro-deposition is washed with deionized water only after terminating, the common lead dioxide electrode for being prepared, as shown in Figure 2：As can be seen from Fig., common lead dioxide electrode is piled up by a large amount of pyramid brown lead oxide crystal grains and formed.
It is anode to use the common lead dioxide electrode for preparing, the stainless steel plate of homalographic is negative electrode, parachlorophenol in electrocatalytic oxidation water, the concentration of parachlorophenol is 50 mg/litres, the sodium sulphate of 0.05 mol/L does supporting electrolyte, the volume of solution is 200 milliliters, and electrode spacing is 1 centimetre, and electrocatalytic oxidation current density is 20mA/cm2, temperature is 30 DEG C, and the clearance of parachlorophenol is 62.5% after reacting 120 minutes, and total organic Carbon removal reaches 30.8% in solution after reacting 180 minutes.
Be working electrode with the common lead dioxide electrode for preparing, platinum electrode be to electrode, in the sulfuric acid solution of 1 mol/L, 1A/cm2Current density under determine electrode reinforcing life be 56 hours.
The specific embodiment for preparing product of the present invention is as follows：
Embodiment 1：
As shown in Figure 1：The structure of carbon nano tube modified lead dioxide electrode of the invention includes：
Titanium plate matrix 1；
Tin-antimony oxide bottom 2 of the heat deposition on titanium plate matrix；
It is electrodeposited in the α-PbO on tin-antimony oxide bottom 22Intermediate layer 3；
It is electrodeposited in α-PbO2β-PbO on intermediate layer 32Internal layer 4.
Electrophoresis is in β-PbO2CNT interlayer 5 on internal layer 4.
It is electrodeposited in the β-PbO on electrical carbon nanotube interlayer 52Outer layer 6.
Preparation method is as follows：
（1）Successively with 120 mesh, 600 mesh and 1200 mesh sand papering titanium plate matrixes（30 millimeters × 50 millimeters × 0.8 millimeter）, until titanium plate matrix is presented silvery white metallic luster, ultrasonically treated 10 minutes during the titanium plate matrix polished is sequentially placed into acetone and deionized water, remove the greasy dirt and other impurity of matrix surface；Then the titanium plate matrix after will be ultrasonically treated is immersed in oxalic acid etching liquid（Oxalic acid etching liquid is that 150 grams of oxalic acid are dissolved in 1 liter of deionized water, stirs and is formulated）Etched 2 hours at 85 DEG C, oxalic acid is placed in after taking-up and preserves liquid（It is that 10 grams of oxalic acid are dissolved in 1 liter of deionized water that oxalic acid preserves liquid, stirs and is formulated）Middle preservation.
（2）Coating liquid is made during butter of tin and trichloride antimony are dissolved in into concentrated hydrochloric acid and isopropyl alcohol mixture（It by 20 grams of butters of tin, 2 grams of trichloride antimonies, 13 milliliters of mass concentrations is that 37% concentrated hydrochloric acid, 87 milliliters of isopropanols mix that coating liquid is, and stirs and be formulated）, by step（1）In be stored in oxalic acid preserve liquid in titanium plate matrix take out, surface is cleaned using deionized water, coating liquid is coated on clean titanium plate matrix, dried 10 minutes at 120 DEG C in the electrically heated drying cabinet, the titanium plate matrix after drying is placed in Muffle furnace at 500 DEG C is again calcined 10 minutes, be so repeated 10 times, the roasting time in Muffle furnace is 1 hour for the last time, room temperature is naturally cooled to, the titanium plate matrix with tin-antimony oxide bottom is obtained.
（3）By step（2）The titanium plate matrix with tin-antimony oxide bottom for preparing is used as anode, using the stainless steel plate of homalographic as negative electrode, the electro-deposition α-PbO in 100 milliliters of alkali plating solutions dissolved with 0.1 mol/L PbO and 3.5 mol/L NaOH2Intermediate layer, electrode spacing is 3cm, and electro-deposition current density is 3mA/cm2, depositing temperature is 40 DEG C, and sedimentation time is 1 hour, is stirred in electrodeposition process.Electro-deposition is washed with deionized water only after terminating, and obtains with α-PbO2The titanium plate matrix in intermediate layer.
（4）By step（3）Prepare with α-PbO2The titanium plate matrix in intermediate layer as anode, the stainless steel plate of homalographic as negative electrode, the electro-deposition β-PbO in 100 milliliters of acidic baths containing 0.5 mol/L plumbi nitras, 0.05 mol/L sodium fluoride and 1 mol/L nitric acid2Internal layer, electrode spacing is 3cm, and electro-deposition current density is 15mA/cm2, depositing temperature is 65 DEG C, and sedimentation time is 30min, is stirred in electrodeposition process.Electro-deposition is washed with deionized water only after terminating, and obtains with β-PbO2The titanium plate matrix of internal layer.
（5）By step（4）Prepare with β-PbO2The titanium plate matrix of internal layer as anode, the stainless steel plate of homalographic as negative electrode, in carbon nano tube suspension（Suspension is to be dissolved in 0.05 gram of neopelex to obtain A liquid in 1 liter of deionized water, then 1 gram of CNT is added in A liquid, stirs and ultrasound 30min is made）Middle electrophoresis CNT interlayer, electrode spacing is 3cm, and electrophoretic voltage is 30V, and electrophoresis time is 10 minutes, and suspension vol is 100mL, is operated at room temperature, is not stirred, and electrophoresis terminates to be dried 1 hour after 50 DEG C, obtains the titanium plate matrix with CNT interlayer（For reduces cost, the CNT during being somebody's turn to do can be by filtering, flushing recycling）.
（6）By step（5）, used as anode, the stainless steel plate of homalographic is used as negative electrode, electro-deposition β-PbO in having the acidic bath of 0.5 mol/L plumbi nitras, 0.05 mol/L sodium fluoride and 1 mol/L nitric acid at 100 milliliters for the titanium plate matrix with CNT interlayer for preparing2Outer layer, electrode spacing is 3cm, and electro-deposition current density is 15mA/cm2, depositing temperature is 65 DEG C, and sedimentation time is 5min, is not stirred in electrodeposition process.Electro-deposition is washed with deionized water only after terminating, and obtains carbon nano tube modified lead dioxide electrode, as shown in Figure 3：From the figure 3, it may be seen that foring a large amount of β-PbO in CNT sandwiching surface2Crystal grain, the crystallite dimension of these crystal is significantly less than common lead dioxide electrode, and both effectively CNT was fixed on matrix, has a large amount of CNTs to be exposed to electrode surface again.Obvious small β-PbO2Crystal grain and exposed CNT make electrode have bigger specific surface area.
It is anode to use the carbon nano tube modified lead dioxide electrode for preparing, the stainless steel plate of homalographic is negative electrode, parachlorophenol in electrocatalytic oxidation water, the concentration of parachlorophenol is 50 mg/litres, the sodium sulphate of 0.05 mol/L does supporting electrolyte, the volume of solution is 200 milliliters, and electrode spacing is 1 centimetre, and electrocatalytic oxidation current density is 20mA/cm2, temperature is 30 DEG C, and the clearance of parachlorophenol is 74.2% after reacting 120 minutes, and total organic Carbon removal reaches 50.8% in solution after reacting 180 minutes.
Be working electrode with the carbon nano tube modified lead dioxide electrode for preparing, platinum electrode be to electrode, in the sulfuric acid solution of 1 mol/L, 1A/cm2Current density under determine electrode reinforcing life be 72 hours, be 1.3 times of common titanium-based Lead dioxide anode modifiedby fluorine resin.
Embodiment 2：
The preparation method of electrode is with embodiment 1.
Except that electro-deposition β-PbO2The time of outer layer is 10min, obtains carbon nano tube modified lead dioxide electrode, and electrode pattern is as shown in Figure 4：As shown in Figure 4, incomplete β-PbO are formd in CNT sandwiching surface2Crystalline film, has a small amount of CNT exposed to electrode surface, the β-PbO around CNT2Crystal grain sizes are significantly less than common lead dioxide electrode.
It is anode to use the carbon nano tube modified lead dioxide electrode for preparing, the stainless steel plate of homalographic is negative electrode, electrode spacing is 1 centimetre, parachlorophenol in electrocatalytic oxidation water, the concentration of parachlorophenol is 50 mg/litres, and the sodium sulphate of 0.05 mol/L does supporting electrolyte, and the volume of solution is 200 milliliters, electrode spacing is 1 centimetre, and electrocatalytic oxidation current density is 20mA/cm2, temperature is 30 DEG C, and the clearance of parachlorophenol is 87.4% after reacting 120 minutes, and total organic Carbon removal reaches 64.7% in solution after reacting 180 minutes.
Be working electrode with the carbon nano tube modified lead dioxide electrode for preparing, platinum electrode be to electrode, in the sulfuric acid solution of 1 mol/L, 1A/cm2Current density under determine electrode reinforcing life be 95 hours, be 1.7 times of common titanium-based Lead dioxide anode modifiedby fluorine resin.
Claims (4)
1. a kind of carbon nano tube modified lead dioxide electrode, the electrode includes tin-antimony oxide bottom on titanium plate matrix of titanium plate matrix, heat deposition, the α-PbO being electrodeposited on tin-antimony oxide bottom2Intermediate layer, it is characterised in that：It also includes being electrodeposited in α-PbO2β-PbO on intermediate layer2Internal layer, electrophoresis is in β-PbO2CNT interlayer and the β-PbO being electrodeposited on CNT interlayer on internal layer2Outer layer.
2. a kind of preparation method of carbon nano tube modified lead dioxide electrode, the method includes pretreatment, the preparation of tin-antimony oxide bottom, the α-PbO of Titanium base2The preparation in intermediate layer, it is characterised in that：Also include β-PbO2The preparation of internal layer, the preparation of CNT interlayer and β-PbO2Three steps of preparation of outer layer；
β-the PbO2The preparation of internal layer is by with α-PbO2, used as anode, the stainless steel plate of homalographic is used as negative electrode, the electro-deposition β-PbO in acid fluorine-containing plumbi nitras plating solution for the titanium plate matrix in intermediate layer2Internal layer, electrode spacing is 3cm, and the current density of electro-deposition is 15mA/cm2, depositing temperature is 65 DEG C, and sedimentation time is 30min, and plating solution volume is 100mL, is stirred in electrodeposition process, and electro-deposition will be with β-PbO after terminating2The titanium plate of internal layer is washed with deionized water only；
The preparation of described CNT interlayer is by with β-PbO2The titanium plate matrix of internal layer is used as anode, the stainless steel plate of homalographic is used as negative electrode, the electrophoresis CNT interlayer in carbon nano tube suspension, electrode spacing is 3cm, and electrophoretic voltage is 10-30V, and electrophoresis time is 5-20min, suspension vol is 100mL, operate at room temperature, do not stirred in electrophoresis process, electrophoresis dries 1 hour the titanium plate with CNT interlayer in 50 DEG C after terminating；
Described β-PbO2The preparation of outer layer is that the stainless steel plate of homalographic is used as negative electrode, the electro-deposition β-PbO in acid fluorine-containing plumbi nitras plating solution as anode using the titanium plate matrix with CNT interlayer2Outer layer, electrode spacing is 3cm, and the current density of electro-deposition is 15mA/cm2, depositing temperature is 65 DEG C, and sedimentation time is 3-15min, and plating solution volume is 100mL, is not stirred in electrodeposition process, and electro-deposition will be with β-PbO after terminating2The lead dioxide electrode of outer layer is washed with deionized water only.
3. the preparation method of a kind of carbon nano tube modified lead dioxide electrode according to claim 2, it is characterised in that：Described carbon nano tube suspension is during CNT is added into neopelex or sodium dodecyl sulfate solution, stir and ultrasound 30-60min is made, each component content is 0.01 ~ 0.1 g/l of 0.5 ~ 2 g/l of CNT, neopelex or dodecyl sodium sulfate in suspension liquid.
4. the preparation method of a kind of carbon nano tube modified lead dioxide electrode according to claim 2, it is characterised in that：Described acid fluorine-containing plumbi nitras plating solution is that plumbi nitras, nitric acid, sodium fluoride are dissolved in deionized water, stirs and is formulated, and each component content of plating solution is the mol/L of plumbi nitras 0.5, the mol/L of nitric acid 1.0, the mol/L of sodium fluoride 0.05.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429813A (en) * | 2020-09-22 | 2021-03-02 | 北京化工大学 | Blue-TiO doped with carbon nano tube2/CNT-PbO2Preparation method of electrode material |
| CN112723490A (en) * | 2020-12-09 | 2021-04-30 | 苏州新能环境技术股份有限公司 | Carbon nanotube modified lead dioxide electrode and preparation method and application thereof |
| CN113816471A (en) * | 2021-10-27 | 2021-12-21 | 安徽康菲尔检测科技有限公司 | Preparation method and application of composite coating electrocatalytic electrode material |
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| CN102198966A (en) * | 2011-04-03 | 2011-09-28 | 长安大学 | Electrolysis electrode loaded with graphene modified tin dioxide and preparation method thereof |
| CN103508517A (en) * | 2012-06-21 | 2014-01-15 | 吉林师范大学 | Carbon nanotube modified titanium based fluorine-containing lead dioxide electrode and preparation method thereof |
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| CN102198966A (en) * | 2011-04-03 | 2011-09-28 | 长安大学 | Electrolysis electrode loaded with graphene modified tin dioxide and preparation method thereof |
| CN103508517A (en) * | 2012-06-21 | 2014-01-15 | 吉林师范大学 | Carbon nanotube modified titanium based fluorine-containing lead dioxide electrode and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112429813A (en) * | 2020-09-22 | 2021-03-02 | 北京化工大学 | Blue-TiO doped with carbon nano tube2/CNT-PbO2Preparation method of electrode material |
| CN112723490A (en) * | 2020-12-09 | 2021-04-30 | 苏州新能环境技术股份有限公司 | Carbon nanotube modified lead dioxide electrode and preparation method and application thereof |
| CN113816471A (en) * | 2021-10-27 | 2021-12-21 | 安徽康菲尔检测科技有限公司 | Preparation method and application of composite coating electrocatalytic electrode material |
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