CN105929005A - Mixed-potential low-ppm acetone sensor based on YSZ and MNb2O6 sensitive electrode, and preparation method and application thereof - Google Patents
Mixed-potential low-ppm acetone sensor based on YSZ and MNb2O6 sensitive electrode, and preparation method and application thereof Download PDFInfo
- Publication number
- CN105929005A CN105929005A CN201610247373.8A CN201610247373A CN105929005A CN 105929005 A CN105929005 A CN 105929005A CN 201610247373 A CN201610247373 A CN 201610247373A CN 105929005 A CN105929005 A CN 105929005A
- Authority
- CN
- China
- Prior art keywords
- ysz
- sensitive electrode
- electrode
- mnb
- sensitive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
- G01N27/4076—Reference electrodes or reference mixtures
Abstract
The invention provides a mixed-potential low-ppm acetone sensor based on YSZ and a MNb2O6 (wherein M is one selected from a group consisting of Cd, Co, Zn, Mn and Ni) sensitive electrode and a preparation method. The mixed-potential low-ppm acetone sensor is mainly used for detection of diabetes. The sensor is successively composed of an Al2O3 ceramic plate with a Pt heating electrode, an YSZ substrate, a Pt reference electrode and the MNb2O6 sensitive electrode, wherein the reference electrode and the sensitive electrode are discrete and are symmetrically arranged on two ends of the upper surface of the YSZ substrate, the lower surface of the YSZ substrate is bonded with the Al2O3 ceramic plate equipped with the Pt heating electrode. According to the invention, the YSZ is used as an ionic conducting layer, and the MNb2O6 composite oxide material with high electrochemical catalytic activity is used as the sensitive electrode for construction of five sensing devices separately; and a device with higher sensitivity is obtained through comparison of acetone response values.
Description
Technical field
The invention belongs to gas sensor technical field, be specifically related to a kind of based on YSZ and MNb2O6(M:
Cd, Co, Zn, Mn or Ni) sensitive electrode blend together electric potential type low ppm grade acetone sensor, preparation side
Method and the application in diabetes detect thereof.
Background technology
Diabetes are common incretion metabolism diseases, along with the lifting of national life level, China's patient of diabetes
Person presents the trend of cumulative year after year, becomes the country that world diabetic is most.Clinical medicine shows acetone energy
Producing in diabetes patient's body, the acetone concentration in patient expiration is apparently higher than normal person, during normal person exhales
Acetone concentration is 0.3～0.9ppm, and diabetic is more than 1.8ppm, exceeds 2～6 times.Therefore, acetone
The breathing label of specific diabetes has been early diagnosed as non-intruding.By to the standard of acetone concentration in exhaling
Really detection, can carry out non-invasive diagnosis, if miniaturization and the low price of detecting instrument can be realized, thus may be used
Monitor in residence diagnosis and the state of an illness for diabetic.Gas sensor has that volume is little, price is low, portable
Property, the feature such as highly sensitive and quick response, be that by the monitoring the most in real time of acetone, therefore suffer from more
Carry out the most concerns.
At present, in order to realize the in-situ monitoring to gas, based on stabilizing zirconia (YSZ) and burning
The type solid-state electrochemical gas sensor that blendes together of thing sensitive electrode has been widely deployed and has designed.According to blending together type
Sensitive mechanism, the sensitive signal of sensor passes through electrochemical reaction at sensitive electrode/gas/solid electrolyte to be measured
Three phase boundary at produce, the sensitive property of sensor is mainly by the sensitive electrode material electrochemistry to gas to be measured
Catalysis activity determines.Therefore, develop and to find a kind of suitably sensitive electrode material extremely important.In order to improve
The sensitivity characteristic of sensors with auxiliary electrode, has carried out a lot of research to sensor sensing electrode material both at home and abroad.Such as,
This seminar make with Zn3V2O8Blending together electric potential type acetone sensor for the YSZ base of sensitive electrode material can
To realize the Monitoring lower-cut of 1ppm acetone, it blendes together potential value is-2.5mV (Fangmeng Liu, Yehui
Guan,Ruize Sun,Xishuang Liang,Peng Sun,Fengmin Liu,and Geyu Lu,
Mixed potential type acetone sensor using stabilized zirconia and M3V2O8(M:
Zn,Co and Ni)sensing electrode,Sensors and Actuators B:Chemical 221
(2015)673-680).Although this acetone sensor has good sensitive property, but can not realize low ppm
The detection of acetone, thus continual exploitation be applied to diabetes detection acetone sensor still in the urgent need to.
Summary of the invention
It is an object of the invention to provide a kind of based on YSZ and MNb2O6(M:Cd, Co, Zn, Mn or
Ni) sensitive electrode blend together electric potential type low ppm grade acetone sensor, preparation method and diabetes detect
In application.To improve the performance such as transducer sensitivity, lowest detection lower limit, promote that this sensor is at glycosuria
The practical application of sick context of detection.Sensor obtained by the present invention, in addition to having high sensitivity, also has
Relatively low Monitoring lower-cut, good selectivity, moisture-proof and stability.
Acetone sensor involved in the present invention is based on solid electrolyte YSZ and high electrochemical catalytic performance
MNb2O6(M:Cd, Co, Zn, Mn or Ni) composite oxide material is new constructed by sensitive electrode
Type acetone sensor, YSZ (ZrO2(8%Y2O3)) as ion conductive layer.
YSZ base of the present invention blendes together electric potential type acetone sensor, as it is shown in figure 1, successively by with Pt
Add the Al of thermode2O3Ceramic wafer, YSZ substrate, Pt reference electrode and sensitive electrode composition；Reference electrode
Separate with sensitive electrode and prepare at the two ends of YSZ upper surface of base plate symmetrically, YSZ base lower surface
With the Al adding thermode with Pt2O3Ceramic wafer is bonded together；Sensitive electrode material is MNb2O6(M:
Cd, Co, Zn, Mn or Ni), prepare by the following method:
Weigh Nb2O5, it is dissolved in the hydrofluoric acid of 15～20mL, stirs 2～4 hours at 60～90 DEG C；
Dropwise being added drop-wise to by ammoniacal liquor in above solution, the pH value of regulation reaction system is 8～10, and ageing 12～14 is little
Time, through filtering, washing neutrality, obtain white precipitate；Above white precipitate is dissolved in citric acid solution,
At 60～80 DEG C, continue stirring 1～2 hour, add NH4NO3With M (NO)3·nH2O (M:Cd,
Co, Zn, Mn or Ni, n=4～6) continue stirring to gel；The gel that obtains is true at 80～90 DEG C
Dry under empty condition and obtain xerogel in 12～24 hours, under the conditions of 800～1200 DEG C, finally sinter 2～4 little
Time, obtain MNb2O6Sensitive electrode material；Wherein M (NO)3·nH2O、Nb2O5And NH4NO3's
Mol ratio is 1:1:12～14, citric acid and Nb2O5Mol ratio be 2～5:1, ammoniacal liquor mass concentration is
25～28%.
The preparation process of acetone sensor of the present invention is as follows:
(1) Pt reference electrode is made: use Pt slurry to make 15～20 μm in one end of YSZ upper surface of base plate
Thick Pt reference electrode, draws being bonded on reference electrode centre position after a Pt silk doubling as electrode simultaneously
Line, then toasts YSZ substrate 1～2 hour under the conditions of 90～120 DEG C, then is existed by YSZ substrate
Sinter 1～2 hour at 1000～1200 DEG C, get rid of the terpinol in platinum slurry, be finally down to room temperature；
(2) MNb is made2O6(M:Cd, Co, Zn, Mn or Ni) sensitive electrode: by MNb2O6
(M:Cd, Co, Zn, Mn or Ni) sensitive electrode material deionized water is slurred material, mass concentration
It is 2～20%；Prepare at the other end of the YSZ upper surface of base plate symmetrical with Pt reference electrode with this slurry
The sensitive electrode of 20～30 μ m-thick, is bonded on sensitive electrode as contact conductor equally after a platinum filament doubling；
(3) the YSZ substrate of reference electrode and sensitive electrode there is is to burn at 800～1000 DEG C the preparation of upper step
Tie 1～3 hour；Preferably heating rate during high temperature sintering is 1～2 DEG C/min；
(4) inorganic bond is prepared: measure waterglass (Na2SiO3·9H2O) 2～4mL, and weigh Al2O3
Powder 0.7～1.0g, by waterglass and Al2O3Powder is mixed and stirred for uniformly, prepares required inorganic bond；
(5) use inorganic bond by YSZ base lower surface and the Al that adds thermode with Pt2O3Ceramic wafer
It is bonded together；
Wherein, the Al of thermode is added with Pt2O3Ceramic wafer is at Al2O3Serigraphy is passed through on ceramic wafer
Pt obtains, and adds the Al of thermode with Pt2O3Ceramic wafer together heating plate as device uses；
(6) carry out welding, encapsulating by the device bonded, thus prepare of the present invention with MNb2O6
YSZ base for sensitive electrode blendes together Copper diethlydithiocarbamate.
The present invention, using YSZ as ion conductive layer, utilizes the MNb with high electrochemical catalysis activity2O6(M:
Cd, Co, Zn, Mn or Ni) composite oxide material is that sensitive electrode constructs senser element respectively, passes through
Response size to comparison acetone, it is thus achieved that there is the device of more hypersensitivity energy.
Advantages of the present invention:
(1) sensor utilizes typical solid electrolyte stabilizing zirconia (YSZ), has good heat
Stability and chemical stability, can detect acetone in harsh environment；
(2) sol-gal process is used to prepare high-performance composite oxide MNb2O6As sensor sensing electrode,
Preparation method is simple, the beneficially industrialized production of mass.
(3) the sensor performance contrast constructed by five kinds of novel sensitive electrode materials is found, CdNb2O6For
The YSZ base of sensitive electrode blendes together electric potential type device and acetone shows the highest response, and has 0.2ppm
Low-detection lower limit, good sensitivity, selectivity, repeatability, moisture-proof and stability, diabetes examine
Survey aspect has potential application prospect.
Accompanying drawing explanation
Fig. 1: YSZ base of the present invention blendes together the structural representation of electric potential type acetone sensor.
Each several part title: MNb2O6(M:Cd, Co, Zn, Mn or Ni) sensitive electrode 1, YSZ
Substrate 2, Pt reference electrode 3, Pt silk 4, Pt point 5, Al2O3Ceramic wafer 6, Pt add thermode 7, nothing
Machine adhesive 8.
The XRD of Fig. 2: five kinds of sensitive electrode materials obtained by the present invention (wherein, abscissa is angle,
Ordinate is intensity).
As in figure 2 it is shown, be CdNb2O6、CoNb2O6、ZnNb2O6、MnNb2O6And NiNb2O6
The XRD of sensitive electrode material, by contrasting with standard spectrogram, five kinds of sensitive electrode materials of synthesis are respectively
With standard card JCPDS (File Nos.38-1428,32-304,76-1827,33-899 and 32-694)
Unanimously, for orthorhombic system columbite type composite.Show that the sensitive electrode material that we prepare is pure phase
CdNb2O6、CoNb2O6、ZnNb2O6、MnNb2O6And NiNb2O6Material.
Fig. 3: under 600 DEG C of operating temperatures, be utilized respectively CdNb2O6、CoNb2O6、ZnNb2O6、
MnNb2O6And NiNb2O6The sensor constructed as the sensitive electrode material response to 5ppm acetone
Size comparison diagram.
The sensitive property test of device uses static test (detailed process is as in the embodiment shown), sensing
The response of device Δ V=VAcetone-VAirRepresent.As it is shown on figure 3, the device pair made by embodiment 1～5
The response comparison diagram of 5ppm acetone, it can be seen that the device obtained by embodiment 1～5 is to 5ppm
The response of acetone is respectively-25 ,-9 ,-14 ,-6.5 and-0.7mV.As can be seen here, CdNb2O6As
The YSZ base of sensitive electrode material blendes together Copper diethlydithiocarbamate and has the highest response to acetone.
Fig. 4: utilize CdNb2O6As the sensor of sensitive electrode material sensitivity curve (its to acetone
In, abscissa is acetone concentration, and ordinate is potential difference values；Operating temperature is 600 degree).
The sensitivity of sensor is that sensor is in certain response measured in concentration range and corresponding concentration pair
The slope of the linear relationship of number.As shown in Figure 4, for utilizing CdNb2O6Sensing as sensitive electrode material
The device sensitivity curve figure to acetone, it can be seen that the sensitivity that device is to 0.2～10ppm acetone
For-19mV/decade, the minimum acetone that can detect 200ppb, this sensor shows good spirit
Sensitivity and the lowest Monitoring lower-cut.
Fig. 5: utilize CdNb2O6Selectivity (wherein, abscissa as the sensor of sensitive electrode material
For potential difference values, ordinate is test gas: be respectively 5ppm ethene, nitrogen dioxide, an oxygen from top to bottom
Change carbon, ammonia, dimethylbenzene, acetone, toluene, isooctane, benzene, formaldehyde.Operating temperature is 600 degree).
As it is shown in figure 5, be CdNb2O6As the selectivity of the sensor of sensitive electrode material, can from figure
To find out, device shows the sensitivity characteristic of maximum to acetone, and other interference gas responses are the most relatively low, thus
Visible, device has good selectivity.
Fig. 6: with CdNb2O6Humidity impact (wherein, abscissa as the sensor of sensitive electrode material
For relative humidity, ordinate is potential difference values, and testing gas concentration is 10ppm, and operating temperature is 600 degree).
As shown in Figure 6, for CdNb2O6As the device of sensitive electrode material under different humidity right
The response of 10ppm acetone, it can be seen that device 15～98% humidity range in, to 10ppm
The response change of acetone, less than 23%, indicates sensor and has good moisture-proof.
Fig. 7: with CdNb2O6As the stability of the sensor of sensitive electrode material, (wherein, abscissa is
Time, ordinate is respectively potential difference values and electrical potential difference knots modification).
The stability test of device is to be maintained at by sensor under the operating temperature of 600 degree, continues through 30 days
Test under hot conditions to 2,5 and the response of 10ppm acetone as standard, every two in test process
It takes a point, records the change in 30 days.As it is shown in fig. 7, be with CdNb2O6As sensitive electrical
The device of pole material stability test in 30 days, it can be seen that device is in 30 days, device
Part is less than 9% to the variable quantity fluctuation range of 2,5 and 10ppm acetone responses, shows that device has very
Good stability.
Detailed description of the invention
Embodiment 1:
CdNb is prepared by sol-gel process2O6Material, by prepared CdNb2O6As sensitive electrode material
Making YSZ base and blend together Copper diethlydithiocarbamate, and test the sensor air-sensitive performance to acetone, detailed process is such as
Under:
1. make Pt reference electrode: at length and width 2 × 2mm, the YSZ upper surface of base plate of thickness 0.2mm
One end uses Pt slurry to make one layer of 0.5mm × 2mm size, Pt reference electrode of 15 μ m-thick, simultaneously with one
Extraction electrode lead-in wire on reference electrode centre position it is bonded at after root Pt silk doubling；Then YSZ substrate is existed
Toast 1.5 hours under the conditions of 100 DEG C, then YSZ substrate is sintered 1 hour at 1000 DEG C, thus get rid of
Terpinol in platinum slurry, is finally down to room temperature.
2. make CdNb2O6Sensitive electrode: first prepare CdNb by sol-gel process2O6Material.Weigh
The Nb of 3mmol2O5, it is dissolved in the hydrofluoric acid of 15mL, stirs 2 hours at 80 DEG C；By matter
The ammoniacal liquor of amount concentration 25% is dropwise added drop-wise in above solution, and regulation pH value, to 9, is aged 14 hours, warp
Filter, neutrality is arrived in washing, obtains white precipitate；Above white precipitate is dissolved in 1.891g citric acid solution
In, at 80 DEG C, continue stirring 2 hours, add 2.880g NH4NO3With 0.9254g Cd (NO)3·4H2O
Continue stirring to gel.The spawn obtained is dried 12 hours in 80 DEG C of vacuum drying chambers and is done
Gel, finally sinters 2 hours under the conditions of 1000 DEG C in Muffle furnace, obtains 1.135g CdNb2O6Sensitive
Electrode material.
Take 5mg CdNb2O6Powder deionized water 100mg furnishing slurry, by CdNb2O6Slurry with
The other end coating one layer of 0.5mm × 2mm size, 20 μm of the YSZ upper surface of base plate that reference electrode is symmetrical
Thick sensitive electrode, equally with being bonded at extraction electrode lead-in wire on sensitive electrode after a platinum filament doubling.
By the YSZ substrate with reference electrode and sensitive electrode made with the heating rate liter of 2 DEG C/min
Temperature to 800 DEG C and is down to room temperature after keeping 2h.
3. bonding has the ceramic wafer adding thermode.Use inorganic bond (Al2O3And waterglass
Na2SiO3·9H2O, mass ratio 5:1 prepare) by the lower surface (side of uncoated electrode) of YSZ substrate
The Al adding thermode with Pt with same size2O3Ceramic wafer (length and width 2 × 2mm, thickness 0.2mm)
Bond；
4. device welding, encapsulation.Device is welded on hexagonal base, puts protective cover, complete mixed
Become electric potential type acetone sensor.
Embodiment 2:
With NiNb2O6Material, as sensitive electrode material, makes acetone sensor.NiNb2O6Sensitive electrode material
Preparation process and the device fabrication processes of material are same as in Example 1.
Embodiment 3:
With ZnNb2O6Material, as sensitive electrode material, makes acetone sensor.ZnNb2O6Sensitive electrode
Preparation process and the device fabrication processes of material are same as in Example 1.
Embodiment 4:
With MnNb2O6Material, as sensitive electrode material, makes acetone sensor.MnNb2O6Sensitive electrode
Preparation process and the device fabrication processes of material are same as in Example 1.
Embodiment 5:
With CoNb2O6Material, as sensitive electrode material, makes acetone sensor.CoNb2O6Sensitive electrode
Preparation process and the device fabrication processes of material are same as in Example 1.
Sensor is connected on Rigol signal tester, respectively sensor is placed in air, 200ppb,
The atmosphere of 500ppb, 1ppm, 2ppm, 5ppm, 8ppm, 10ppm acetone carries out voltage signal survey
Examination.The method of testing of device uses traditional static testing, and detailed process is as follows:
1. being connected to by sensor on Rigol signal tester, device is placed in the survey that full air volume is 1L
Trial jar reaches stable, is device aerial electromotive force value (VAir)。
2. sensor is transferred quickly in the test bottle equipped with concentration acetone gas to be measured, until response signal
Reach stable, be device electromotive force value (V in acetoneAcetone)。
3. being again transferred back in air bottle by device, until reaching stable, device completes a secondary response and recovered
Journey.Device electromotive force difference (Δ V=V in acetone and airAcetone-VAir) it is device to this concentration acetone
Response.Sensor is in the linear relationship of certain response measured in concentration range with corresponding log concentration
Slope be the sensitivity of this sensor.
Table 1 lists respectively with CdNb2O6、CoNb2O6、ZnNb2O6、MnNb2O6And NiNb2O6
YSZ base for sensitive electrode blendes together the Copper diethlydithiocarbamate response to 5ppm acetone.Can from table
Go out, with CdNb2O6Device for sensitive electrode shows the highest response, for-25mV.
Table 2 lists with CdNb2O6The YSZ base made for sensitive electrode material blendes together Copper diethlydithiocarbamate
Electromotive force in variable concentrations acetone and the difference of aerial electromotive force are with the change of acetone concentration
Value.It will be seen that the sensitivity of device (slope) and Monitoring lower-cut are respectively-19mV/decade from table
And 0.2ppm.As can be seen here, novel C dNb of our exploitation2O6The device that sensitive electrode material is constituted is to third
Ketone shows good sensitivity characteristic, has obtained having high sensitivity, the YSZ base of low-detection lower limit blendes together
Electric potential type acetone sensor.
Table 1 is with CdNb2O6、CoNb2O6、ZnNb2O6、MnNb2O6And NiNb2O6Biography for sensitive electrode material
The response of 5ppm acetone is contrasted by sensor
Table 2 is with CdNb2O6For the Δ V of device of sensitive electrode with the change of acetone concentration
Claims (5)
1. one kind based on YSZ and MNb2O6Sensitive electrode blend together electric potential type low ppm grade acetone sensor, depend on
Secondary by the Al adding thermode with Pt2O3Ceramic wafer, YSZ substrate, Pt reference electrode and sensitive electrode composition；
Reference electrode and sensitive electrode is separate and prepares at the two ends of YSZ upper surface of base plate symmetrically, YSZ base
Plate lower surface and the Al adding thermode with Pt2O3Ceramic wafer is bonded together, M is Cd, Co, Zn,
Mn or Ni；It is characterized in that: sensitive electrode material is MNb2O6, and prepare by the following method:
Weigh Nb2O5, it is dissolved in the hydrofluoric acid of 15～20mL, at 60～90 DEG C, stirs 2～4 little
Time；Dropwise being added drop-wise to by ammoniacal liquor in above solution, the pH value of regulation reaction system is 8～10, is aged 12～14
Hour, through filtering, washing neutrality, obtain white precipitate；Above white precipitate is dissolved in citric acid solution
In, at 60～80 DEG C, continue stirring 1～2 hour, add NH4NO3With M (NO)3·nH2O continues stirring
To gel；The gel obtained is dried 12～24 hours under 80～90 DEG C of vacuum conditions and obtains xerogel,
After under the conditions of 800～1200 DEG C sinter 2～4 hours, obtain MNb2O6Sensitive electrode material；Wherein
M(NO)3·nH2O、Nb2O5And NH4NO3Mol ratio be 1:1:12～14, citric acid and Nb2O5
Mol ratio be 2～5:1, ammonia concn scope is 25～28%.
2. the one described in claim 1 is based on YSZ and MNb2O6Sensitive electrode blend together the low ppm of electric potential type
The preparation method of grade acetone sensor, its step is as follows:
(1) Pt reference electrode is made: use Pt slurry to make 15～20 μm in one end of YSZ upper surface of base plate
Thick Pt reference electrode, draws being bonded on reference electrode centre position after a Pt silk doubling as electrode simultaneously
Line, then toasts YSZ substrate 1～2 hour under the conditions of 90～120 DEG C, then is existed by YSZ substrate
Sinter 1～2 hour at 1000～1200 DEG C, get rid of the terpinol in platinum slurry, be finally down to room temperature；
(2) MNb is made2O6Sensitive electrode: the MNb that will obtain2O6Sensitive electrode material deionized water
Furnishing slurry, mass concentration is 2～20%；Another of the YSZ upper surface of base plate that slurry and reference electrode are symmetrical
The sensitive electrode of end preparation 20～30 μ m-thick, will be bonded on sensitive electrode after a platinum filament doubling as electricity equally
Pole goes between；
(3) the YSZ substrate that above-mentioned preparation has reference electrode and sensitive electrode sinters at 800～1000 DEG C
1～3 hour；
(4) use inorganic bond by YSZ base lower surface and the Al that adds thermode with Pt2O3Ceramic wafer
It is bonded together；
(5) carry out welding, encapsulating by the device bonded, thus make and obtain based on YSZ and MNb2O6
Sensitive electrode blend together electric potential type low ppm grade acetone sensor.
3. as claimed in claim 2 a kind of based on YSZ and MNb2O6Sensitive electrode blend together the low ppm of electric potential type
The preparation method of grade acetone sensor, it is characterised in that: heating rate during high temperature sintering is 1～2 DEG C/min.
4. as claimed in claim 2 a kind of based on YSZ and MNb2O6Sensitive electrode blend together the low ppm of electric potential type
The preparation method of grade acetone sensor, it is characterised in that: it is to measure 2～4mL waterglass Na2SiO3·9H2O,
And weigh 0.7～1.0g Al2O3Powder, by waterglass and Al2O3Powder is mixed and stirred for uniformly, prepares institute
Need inorganic bond.
5. the one described in claim 1 is based on YSZ and MNb2O6Sensitive electrode blend together the low ppm of electric potential type
The application in diabetes detect of the grade acetone sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610247373.8A CN105929005A (en) | 2016-04-20 | 2016-04-20 | Mixed-potential low-ppm acetone sensor based on YSZ and MNb2O6 sensitive electrode, and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610247373.8A CN105929005A (en) | 2016-04-20 | 2016-04-20 | Mixed-potential low-ppm acetone sensor based on YSZ and MNb2O6 sensitive electrode, and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105929005A true CN105929005A (en) | 2016-09-07 |
Family
ID=56839433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610247373.8A Pending CN105929005A (en) | 2016-04-20 | 2016-04-20 | Mixed-potential low-ppm acetone sensor based on YSZ and MNb2O6 sensitive electrode, and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105929005A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950275A (en) * | 2017-04-12 | 2017-07-14 | 吉林大学 | With Co1‑xZnxFe2O4Acetone sensor for sensitive electrode material and preparation method thereof |
| CN108760848A (en) * | 2018-06-06 | 2018-11-06 | 吉林大学 | With BiFeO3For the CeO of sensitive electrode2Base blendes together electric potential type acetone sensor, preparation method and applications |
| CN109540874A (en) * | 2018-12-14 | 2019-03-29 | 蜂巢能源科技有限公司 | The method for detecting inorganic element content in the sample of lithium lanthanum zirconium oxygen type solid electrolyte |
| CN110596217A (en) * | 2019-09-18 | 2019-12-20 | 吉林大学 | NiTa2O6All-solid-state acetone sensor used as sensitive electrode for diabetes diagnosis and preparation method thereof |
| CN111579616A (en) * | 2020-05-29 | 2020-08-25 | 吉林大学 | Based on YSZ and Fe2TiO5-TiO2Acetone sensor of sensitive electrode, preparation method and application thereof |
| CN114813880A (en) * | 2022-04-28 | 2022-07-29 | 安徽大学 | Integrated electrochemical gas sensor and preparation process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495122A (en) * | 2011-12-14 | 2012-06-13 | 吉林大学 | Mixed-potential nitrogen dioxide sensor based on porous YSZ (yttria stabilization zirconia) substrate and preparation method for sensor |
| CN102967641A (en) * | 2012-11-12 | 2013-03-13 | 吉林大学 | YSZ (Yttria Stabilized Zirconia)-based blended potential type NO2 sensor using porous NiMn2O4 as sensing electrode and preparation method of sensor |
| CN104597095A (en) * | 2015-01-14 | 2015-05-06 | 吉林大学 | Co3V2O8 sensing electrode and three-dimensional three-phase boundary-based YSZ electrode mixed potential NO2 sensor and preparation method thereof |
| CN105259239A (en) * | 2015-11-04 | 2016-01-20 | 吉林大学 | YSZ based mixed-potential type acetone sensor taking NiNb206 as sensitive electrode and preparation method |
-
2016
- 2016-04-20 CN CN201610247373.8A patent/CN105929005A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495122A (en) * | 2011-12-14 | 2012-06-13 | 吉林大学 | Mixed-potential nitrogen dioxide sensor based on porous YSZ (yttria stabilization zirconia) substrate and preparation method for sensor |
| CN102967641A (en) * | 2012-11-12 | 2013-03-13 | 吉林大学 | YSZ (Yttria Stabilized Zirconia)-based blended potential type NO2 sensor using porous NiMn2O4 as sensing electrode and preparation method of sensor |
| CN104597095A (en) * | 2015-01-14 | 2015-05-06 | 吉林大学 | Co3V2O8 sensing electrode and three-dimensional three-phase boundary-based YSZ electrode mixed potential NO2 sensor and preparation method thereof |
| CN105259239A (en) * | 2015-11-04 | 2016-01-20 | 吉林大学 | YSZ based mixed-potential type acetone sensor taking NiNb206 as sensitive electrode and preparation method |
Non-Patent Citations (1)
| Title |
|---|
| FANGMENG LIU ET.AL: "High performance mixed potential type acetone sensor based on stabilized zirconia and NiNb2O6 sensing electrode", 《SENSORS AND ACTUATORS B:CHEMICAL》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950275A (en) * | 2017-04-12 | 2017-07-14 | 吉林大学 | With Co1‑xZnxFe2O4Acetone sensor for sensitive electrode material and preparation method thereof |
| CN108760848A (en) * | 2018-06-06 | 2018-11-06 | 吉林大学 | With BiFeO3For the CeO of sensitive electrode2Base blendes together electric potential type acetone sensor, preparation method and applications |
| CN109540874A (en) * | 2018-12-14 | 2019-03-29 | 蜂巢能源科技有限公司 | The method for detecting inorganic element content in the sample of lithium lanthanum zirconium oxygen type solid electrolyte |
| CN110596217A (en) * | 2019-09-18 | 2019-12-20 | 吉林大学 | NiTa2O6All-solid-state acetone sensor used as sensitive electrode for diabetes diagnosis and preparation method thereof |
| CN111579616A (en) * | 2020-05-29 | 2020-08-25 | 吉林大学 | Based on YSZ and Fe2TiO5-TiO2Acetone sensor of sensitive electrode, preparation method and application thereof |
| CN111579616B (en) * | 2020-05-29 | 2022-11-08 | 吉林大学 | Based on YSZ and Fe 2 TiO 5 -TiO 2 Acetone sensor of sensitive electrode, preparation method and application thereof |
| CN114813880A (en) * | 2022-04-28 | 2022-07-29 | 安徽大学 | Integrated electrochemical gas sensor and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105929005A (en) | Mixed-potential low-ppm acetone sensor based on YSZ and MNb2O6 sensitive electrode, and preparation method and application thereof | |
| CN105259239B (en) | NiNb2O6Electric potential type acetone sensor and preparation method are blended together for the YSZ bases of sensitive electrode | |
| CN105784813B (en) | One kind is with MnNb2O6Electric potential type SO is blended together for the stabilizing zirconia base of sensitive electrode2Sensor, preparation method and applications | |
| CN107655948B (en) | With La2NiO4YSZ-based mixed potential type H as sensitive electrode2S sensor and preparation method thereof | |
| CN104897761B (en) | Based on graduation In2O3The YSZ bases of sensitive electrode blend together electric potential type NO2Sensor and preparation method | |
| CN109946358A (en) | One kind is with MTiO3Electric potential type SO is blended together for the YSZ base of sensitive electrode2Sensor, preparation method and applications | |
| CN106093163B (en) | La0.8Sr0.2CoO3 is that the CeO2 bases of sensitive electrode blend together electric potential type acetone sensor, preparation method and applications | |
| CN102866189A (en) | NASICON-based H2S sensor using composite metallic oxide as sensitive electrode | |
| CN104597095B (en) | Co3V2O8 sensing electrode and three-dimensional three-phase boundary-based YSZ electrode mixed potential NO2 sensor and preparation method thereof | |
| Liu et al. | CeO2-based mixed potential type acetone sensor using MMnO3 (M: Sr, Ca, La and Sm) sensing electrode | |
| CN106950275A (en) | With Co1‑xZnxFe2O4Acetone sensor for sensitive electrode material and preparation method thereof | |
| CN110596217A (en) | NiTa2O6All-solid-state acetone sensor used as sensitive electrode for diabetes diagnosis and preparation method thereof | |
| CN105572204A (en) | Mixing potential high-temperature NO2 sensor based on YSZ and niobite type MNb2O6 sensitive electrode and preparation method | |
| CN103257161A (en) | Embedded NASICON-based H2 sensor with compound metal oxide as passivation reference electrode and manufacturing method of embedded NASICON-based H2 sensor | |
| CN108107100A (en) | With Sm2-xSrxNi2O4Acetone sensor, preparation method and applications for sensitive electrode material | |
| Wang et al. | Temperature-compensated pH microelectrode array sensors based on copper-oxide/polyaniline modification | |
| CN108226256A (en) | With CoMoO4Stabilizing zirconia base for sensitive electrode blendes together electric potential type triethylamine sensor and preparation method thereof | |
| CN108760848A (en) | With BiFeO3For the CeO of sensitive electrode2Base blendes together electric potential type acetone sensor, preparation method and applications | |
| CN112946030B (en) | Based on La2NiFeO6CeO of sensitive electrode2Triethylamine-based sensor, preparation method and application thereof | |
| Dong et al. | A limiting current oxygen sensor with (CuO) 0.1 (8YSZ) 0.9 dense diffusion barrier | |
| CN108152337B (en) | LaFeO with high gas-sensitive performance3Ethanol-based gas sensor and preparation method thereof | |
| CN105606679B (en) | Based on stabilizing zirconia and ZnNb2O6The highly sensitive ethanol sensor and preparation method of sensitive electrode | |
| CN113702472B (en) | (Ni 1-x Fe x ) Mixed potential type room temperature NO sensor with MOF as sensitive electrode and preparation method | |
| CN111189901B (en) | Gd2Zr2O7Solid electrolyte type formaldehyde sensor and preparation method thereof | |
| CN114813880A (en) | Integrated electrochemical gas sensor and preparation process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |