CN110265669A - N doping carbonization bacteria cellulose-base graded porous carbon composite material and preparation method - Google Patents
N doping carbonization bacteria cellulose-base graded porous carbon composite material and preparation method Download PDFInfo
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- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
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Abstract
The invention discloses a kind of N doping carbonization bacteria cellulose-base graded porous carbon composite material and preparation methods.The method prepares the N doping carbonization classifying porous carbon composite of bacteria cellulose-base after ZIF-8 crystal load to one-dimensional bacteria cellulose wadding nanofiber surface, then through high temperature cabonization by situ synthesis.The N doping carbonization classifying porous carbon material of bacteria cellulose-base of the invention has big specific surface area, and a large amount of active sites of exposure, with good catalytic performance, electrode material can be used as applied to fields such as catalytic fuel cell Cathodic oxygen reduction, electrolysis water evolving hydrogen reactions.
Description
Technical field
The present invention relates to a kind of N doping carbonization bacteria cellulose-base graded porous carbon composite material and preparation methods, belong to
In electrode material preparation technical field.
Background technique
The catalytic activity that elctro-catalyst reacts oxygen reduction reaction (ORR), cyclical stability and to fuel small molecule
The performances such as tolerance (methanol etc.) play the role of vital.In a variety of catalysis materials, nitrogen-doped carbon material such as nitrogen is mixed
Miscellaneous graphene, carbon nanotube, porous carbon etc. have inexpensive, environmental-friendly, higher stability compared with Pt system catalysis material
And good catalytic activity, it is expected to replace Pt base ORR elctro-catalyst, receive significant attention.Wherein, classifying porous carbon material tool
There is big specific surface area, is easy to expose a large amount of active sites.Metallo-organic compound crystal ZIF-8 is easy to regulation because having
Size, biggish specific surface area and be widely used in and prepare classifying porous carbon matrix precursor.
Xue Shi et al. (applying chemical industry, 2018,47 (12): 2560-2563) is prepared for ZIF-8 using ZIF-8 crystal and derives
Nitrogen-doped porous carbon material is used as oxygen reduction catalyst.But in carbonisation, lost a large amount of since ZIF-8 is easy to accumulate
Specific surface area and active site cause the material of preparation only to show the take-off potential of 0.734V (vs.RHE), far below business
Pt/C catalyst.Therefore, the accumulation problem for improving the derivative carbon material of ZIF-8 can effectively improve the hydrogen reduction catalysis of the material
Activity.
Document 1 (Huang, Li, Huang, &Chen, 2017) reports one kind using fibrous block copolymer as carrier system
The method of the standby classifying porous carbon composite of N doping.The composite material of preparation avoids the accumulation of product to a certain extent,
And good electro catalytic activity is shown, but block copolymer preparation process is complicated, operating condition is not easy to control, prepares
Journey is cumbersome, limits its further application.Document 2 (Au-Duong&Lee, 2018) reports a kind of that ZIF-8 crystal is in situ
It is grown in the method that bacterial fibers (BC) nanofiber surface prepares BC@Dopa-ZIF composite material.ZIF-8 is brilliant within this material
Body is evenly distributed in the nanofiber surface of BC and does not occur the phenomenon that aggregation.The material is used to remove the dirt of the iodine in solution
When contaminating object, excellent absorption property has been shown.
Summary of the invention
The purpose of the present invention is to provide a kind of N doping classifying porous carbon composite of carbonization bacteria cellulose-base and its
Preparation method.In the N doping carbonization classifying porous carbon composite of bacteria cellulose-base, ZIF-8 crystal is in high temperature cabonization
Doping enters in the left carbon base body of ZIF-8 crystal high-temperature cracking its own nitrogen source carried in situ afterwards, due in Gao Wenre
Organic ligand pyrolysis in solution preocess in ZIF-8 crystal and leave a large amount of microcellular structure, with bacteria cellulose intrinsic three
It ties up and mesh-structured together forms graded porous structure.
Realize that the technical solution of the object of the invention is as follows:
The preparation method of the N doping carbonization classifying porous carbon composite of bacteria cellulose-base, the specific steps are as follows:
Step 1, the bacteria cellulose of freeze-drying is wadded a quilt with cotton (BC) and methylimidazole disperses in methyl alcohol, after being vigorously stirred
Obtain evenly dispersed bacteria cellulose/methylimidazole methanol system；
Step 2, by bacteria cellulose/methylimidazole methanol dispersion system and Zn (NO3)2Methanol solution mixing, room
It is vigorously stirred under temperature, stands, obtain BC@ZIF-8 presoma；
Step 3, under an inert atmosphere by BC@ZIF-8 presoma, the high temperature cabonization at 700~900 DEG C obtains N doping
Be carbonized the classifying porous carbon material of bacteria cellulose-base.
Preferably, in step 1, the bacteria cellulose wadding is by the resulting bacteria cellulose of acetobacter xylinum dynamic fermentation
Film is sterilized, cleans and is made after decolourizing.
Preferably, in step 1, the mixing time is 1~2 hour.
Preferably, in step 2, the mixing time is 1~2 hour, and time of repose is 12~24 hours.
Preferably, in step 3, the carburizing temperature is 800 DEG C.
Preferably, in step 3, the heating rate of the carbonization is 2~5 DEG C/min, and carbonization time is 2~4 hours.
The present invention also provides the carbonization bacteria cellulose-base graded porous carbon composite woods of N doping made from above-mentioned preparation method
Material.
Further, the present invention provides the classifying porous carbon composite of above-mentioned N doping carbonization bacteria cellulose-base as electricity
The application of pole material.
Compared with prior art, the invention has the following advantages that
(1) using from a wealth of sources, cheap bacteria cellulose and urea as raw material, by situ synthesis, by ZIF-8
After crystal load to one-dimensional BC nanofiber surface, then the classifying porous carbon composite of N doping prepared by high temperature cabonization,
The phenomenon that effectively avoiding ZIF-8 crystal from accumulating and then merge in the carbonized prepares bigger serface and a large amount of active sites of exposure
The carbon-based ORR electrocatalysis material of N doping of point.
(2) carbonization bacteria cellulose wadding aeroge (CBC) under inert atmosphere after high-temperature calcination still maintains the microcosmic of BC
Structure and conductivity with higher are prepared to have and be divided using it as porous carbon structure derived from carrier loaded ZIF-8 crystal
The nitrogen-doped carbon material of grade porous structure, nanometer porous carbon is uniformly coated on carbonization bacteria cellulose table in composite material
Face, the nanofiber for the bacteria cellulose that is carbonized as support frame, constructed abundant and continuous by continuous 3D network structure
Electronic conduction network, macroporous network abundant promotes the transmission of electrolyte, while nanometer porous carbon structure provides largely
Active site.Preparation N doping carbonization bacteria cellulose-base graded porous carbon composite material exhibits go out take-off potential be
0.829V (vs.RHE) has excellent ORR catalytic activity close to business Pt/C catalyst.
Detailed description of the invention
Fig. 1 is carbonization bacteria cellulose (a), and pure ZIF-8 crystal (b) and N doping carbonization bacteria cellulose-base are classifying porous
The SEM of carbon (c) schemes.
Fig. 2 (a, c) is respectively the 0.1MKOH solution that N-HPCN, CBC, N-PC and business Pt/C catalyst are saturated in O2
In the CV measured and its LSV curve surveyed at 1600 rpm, (b, d) be respectively N-HPCN, N-HPCN700 and N-HPCN900
Above-mentioned condition under CV the and LSV curve surveyed.
Fig. 3 (a, d), (b, e), (c, f) are respectively CBC, LSV curve N-HPCN, N-PC measured under different rotating speeds
Electron transfer number corresponding with its and K-L (figure d, e, shown in f illustration) curve.
Fig. 4 is (a, c), and (b, d) is by the N-HPCN700 and N-HPCN900 LSV curve graph surveyed under different rotating speeds and its
Corresponding electrode transfer number and K-L curve (figure c, shown in d illustration).
Specific embodiment
The invention will be further described with attached drawing with reference to embodiments.
Embodiment 1
Cotton-shaped bacteria cellulose aeroge is made in pure bacteria cellulose freeze-drying.Weigh about 0.1g bacterial fibers
Element wadding and 0.2mol methylimidazole make it be dispersed in 100ml methanol and form dispersion by the method being vigorously stirred
A.Then 0.0475molZn (NO is weighed3)2It is dissolved in 100ml methanol and forms solution B.At room temperature by A, B solution is mixed simultaneously
After being vigorously stirred 2 hours, standing 24 hours at room temperature makes ZIF-8 homoepitaxial in BC fiber surface, after BC@ZIF-8 cleaning
Freeze-drying.BC@ZIF-8 after freeze-drying process is put into tubular type Muffle furnace, in inert atmosphere (N2) protection under into
The processing of row high temperature cabonization.First with 500mL min before starting heating schedule-1Flow lead to N2About 20min.In carbonisation
Heating rate is 2 DEG C of min-1, until being raised to 800 DEG C, start to cool down after then being kept for 2 hours at 800 DEG C.First from 800 DEG C with 2
℃ min-1600 DEG C are cooled to, then from 600 DEG C with 5 DEG C of min-1Rate be down to room temperature, be made N doping carbonization bacteria cellulose
The classifying porous carbon composite of base.Product after carbonization is in that density bullet is N-HPCN.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, it is unique it is different be that carburizing temperature is 700 DEG C, Product Labeling N-
HPCN 700。
Embodiment 3
The present embodiment is substantially the same manner as Example 1, only difference is that carburizing temperature is 900 DEG C, Product Labeling N-
HPCN 900。
Comparative example 1
Cotton-shaped bacteria cellulose aeroge is made in pure bacteria cellulose freeze-drying.After freeze-drying process
BC is put into tubular type Muffle furnace, in inert atmosphere (N2) protection under carry out high temperature cabonization processing.Before starting heating schedule
First with 500mL min-1Flow lead to N2About 20min.Heating rate in carbonisation is 2 DEG C of min-1, until 600 DEG C are raised to,
Then start to cool down after being kept for 2 hours at 600 DEG C.First from 800 DEG C with 2 DEG C of min-1600 DEG C are cooled to, then from 600 DEG C with 5
℃min-1Rate be down to room temperature, be made N doping carbonization bacteria cellulose material.Product after carbonization is in black, is labeled as
CBC。
Comparative example 2
Then 0.0475molZn (NO is weighed3)2It is dissolved in 100ml methanol with 0.2mol methylimidazole and forms solution
A, B.At room temperature by A, after B solution mixes and is vigorously stirred 2 hours, at room temperature stand 24 hours to generate ZIF-8 crystal,
It will be freeze-dried after the cleaning of ZIF-8 crystal.BC@ZIF-8 after freeze-drying process is put into tubular type Muffle furnace, in indifferent gas
Atmosphere (N2) protection under carry out high temperature cabonization processing.First with 500mL min before starting heating schedule-1Flow lead to N2About
20min.Heating rate in carbonisation is 2 DEG C of min-1, until being raised to 600 DEG C, opened after then being kept for 2 hours at 600 DEG C
Begin to cool down.First from 800 DEG C with 2 DEG C of min-1600 DEG C are cooled to, then from 600 DEG C with 5 DEG C of min-1Rate be down to room temperature, be made N
Adulterate porous carbon composite.Product after carbonization is in black, is labeled as N-PC.
By compound to carbonization bacteria cellulose, pure ZIF-8 crystal and N doping carbonization bacteria cellulose-base graded porous carbon
Material carries out sem analysis, as a result as shown in Figure 1.The reticular structure that carbonization bacteria cellulose has is found out by Fig. 1 .a.Fig. 1 .b
It show pure ZIF-8 crystal.It is from Fig. 1 .c it is found that thin by N doping carbonization is successfully prepared out after the carbonization of BC ZIF-8 compound
The classifying porous carbon composite of fungin base, and generated in-situ nanometer porous carbon is uniformly supported on carbonization bacterial fibers
The surface of element.
Fig. 2,3 is active for the ORR of 1 comparative example of embodiment, 1,2 sample, is measured by rotating disk electrode (r.d.e) (RDE).Such as
Scheme shown in (2a, b), when in O2CBC when in the 0.1MKOH of saturation, N-PC, N-HPCN and commercialization Pt/C exist respectively
Occurs apparent current peak at 0.721V, 0.718V, 0.774V and 0.814V.Embodiment 1,2 is respectively at 0.70 and 0.72V
There is current peak.This shows that all samples all have ORR catalytic activity.As can be seen that the N-HPCN compared with other each group samples
Show most positive spike and maximum peak current density.It is catalyzed further to probe into each embodiment and comparative example ORR
Performance, using rotating disk electrode (r.d.e) respectively in 400rpm, 625rpm, 900rpm, 1225rpm, 1600rpm, 2025rpm's turns
A sample has been measured under speed in saturation O2LSV curve (Fig. 3 .a, b, c, Fig. 4 .a, b) under atmosphere in 0.1M KOH electrolyte,
It can be seen that the current density of each sample gradually increases, this is because with RDE revolving speed as RDE revolving speed is continuously improved
Increase improves O in electrolyte2The speed for diffusing to electrode material shows the mass transport limitation process of the reaction.By into one
It walks and LSV tracing analysis of each sample under 1600rpm is obtained (Fig. 2 .c, d), comparative example CBC, N-PC and embodiment N-HPCN,
The take-off potential of N-HPCN700, N-HPCN900 are respectively 0.693V, 0.794V, 0.829V, 0.652V, 0.70V.Obviously, N-
HPCN has higher take-off potential compared with other catalyst, close to business Pt/C catalyst.The above results show
Prepared N-HPCN ORR catalytic activity with higher.
It is utilized to probe into the dynamic process of each sample catalysis ORR reaction according to the LSV curve of material
Koutecky-Levich (K-L) equation is to O in ORR reaction process2Electron transfer number (n) of the molecule under different potentials carries out
It calculates, is 400rpm, 625rpm, 900rpm, 1225rpm, 1600rpm, the K-L figure such as (figure that 2025rpm is calculated in revolving speed
3.d, e, f and Fig. 4 .c, d illustration) shown in, it can be seen that the K-L figure of sample N-HPCN has good linear character.Illustrate it
The concentration of ORR and dissolved oxygen is first-order kinetics relationship.It is 3.88 using the average n value that K-L line computation goes out N-HPCN
(Fig. 3 .e), this illustrates O2Reduction the surface of N-HPCN mainly with 4 electronic processes progress.As a comparison, by identical
Method calculates the K-L figure (Fig. 3 .d, f) of CBC and N-PC, and calculating its electron transfer number average value is respectively 1.65 Hes
3.61 being below N-HPCN.It is 3.67 and 2.58 (figures using the electronics transfer average that same method calculates embodiment 2,3
4.c, d), N-HPCN is further demonstrated with more excellent catalytic performance.
Claims (10)
1. the preparation method of the N doping carbonization classifying porous carbon composite of bacteria cellulose-base, which is characterized in that specific steps
It is as follows:
Step 1, in methyl alcohol by the bacteria cellulose wadding of freeze-drying and methylimidazole dispersion, obtained after being vigorously stirred uniformly
Bacteria cellulose/methylimidazole methanol system of dispersion；
Step 2, by bacteria cellulose/methylimidazole methanol dispersion system and Zn (NO3)2Methanol solution mixing, at room temperature
It is vigorously stirred, stands, obtain BC@ZIF-8 presoma；
Step 3, under an inert atmosphere by BC ZIF-8 presoma, the high temperature cabonization at 700~900 DEG C obtains N doping carbonization
The classifying porous carbon material of bacteria cellulose-base.
2. preparation method according to claim 1, which is characterized in that in step 1, the bacteria cellulose wadding is by wood
The resulting bacteria cellulose film of acetobacter dynamic fermentation is sterilized, cleans and is made after decolourizing.
3. preparation method according to claim 1, which is characterized in that in step 1, the mixing time is 1~2 small
When.
4. preparation method according to claim 1, which is characterized in that in step 2, the mixing time is 1~2 small
When.
5. preparation method according to claim 1, which is characterized in that in step 2, the time of repose is 12~24 small
When.
6. preparation method according to claim 1, which is characterized in that in step 3, the carburizing temperature is 800 DEG C.
7. preparation method according to claim 1, which is characterized in that in step 3, the heating rate of the carbonization is 2
~5 DEG C/min.
8. preparation method according to claim 1, which is characterized in that in step 3, the carbonization time is 2~4 small
When.
9. N doping carbonization bacteria cellulose-base made from any preparation method is classifying porous according to claim 1~8
Carbon composite.
10. the N doping carbonization classifying porous carbon composite of bacteria cellulose-base according to claim 9 is as electrode material
The application of material.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745806A (en) * | 2019-10-29 | 2020-02-04 | 苏州大学 | Method for preparing multi-stage porous carbon material by using bacteria as template to grow MOF and application of multi-stage porous carbon material in energy storage device |
| CN111282522A (en) * | 2020-02-10 | 2020-06-16 | 四川大学 | Metal organic framework composite aerogel material and preparation method and application thereof |
| CN111569835A (en) * | 2020-05-07 | 2020-08-25 | 海南大学 | Methylene blue adsorbent and preparation method and application thereof |
| CN111740117A (en) * | 2020-08-25 | 2020-10-02 | 南京理工大学 | Preparation method and application of electrocatalytic oxygen reduction catalytic material N-PC @ CBC |
| CN112038645A (en) * | 2020-08-19 | 2020-12-04 | 嘉兴学院 | Preparation method of nitrogen-doped porous carbon electrocatalyst with core-shell structure |
| CN112030561A (en) * | 2020-08-19 | 2020-12-04 | 嘉兴学院 | Preparation method of ZIF-8@ bacterial cellulose macroscopic three-dimensional composite membrane with core-shell structure |
| CN112777583A (en) * | 2021-01-26 | 2021-05-11 | 哈尔滨工业大学 | Preparation method of green heteroatom modified integrated biochar cathode |
| CN113036160A (en) * | 2021-02-04 | 2021-06-25 | 浙江金昌特种纸股份有限公司 | Preparation method of nanocellulose-derived carbon-supported cobalt electrocatalyst |
| CN115440992A (en) * | 2022-09-14 | 2022-12-06 | 福州大学 | Preparation of hierarchical porous collagen-based metal nickel organic framework composite carbon nanofiber fuel cell cathode material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733700A (en) * | 2015-02-04 | 2015-06-24 | 中南大学 | Preparation method of flexible anode of lithium-selenium battery |
| JP2016052620A (en) * | 2014-09-03 | 2016-04-14 | 日本製紙株式会社 | Composite of metal-organic framework and cellulose nanofiber |
| CN106410223A (en) * | 2016-08-26 | 2017-02-15 | 南京理工大学 | Nitrogen doping carbonized bacterial cellulose/graphene/platinum composite nanomaterial and preparation method thereof |
| CN108976818A (en) * | 2018-07-02 | 2018-12-11 | 华南理工大学 | The porous orderly carbon-point of one kind is based on cellulose composite material and the preparation method and application thereof |
-
2019
- 2019-05-30 CN CN201910459761.6A patent/CN110265669A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016052620A (en) * | 2014-09-03 | 2016-04-14 | 日本製紙株式会社 | Composite of metal-organic framework and cellulose nanofiber |
| CN104733700A (en) * | 2015-02-04 | 2015-06-24 | 中南大学 | Preparation method of flexible anode of lithium-selenium battery |
| CN106410223A (en) * | 2016-08-26 | 2017-02-15 | 南京理工大学 | Nitrogen doping carbonized bacterial cellulose/graphene/platinum composite nanomaterial and preparation method thereof |
| CN108976818A (en) * | 2018-07-02 | 2018-12-11 | 华南理工大学 | The porous orderly carbon-point of one kind is based on cellulose composite material and the preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| XIAOTING MA,AT AL.: "Multifunctional flexible composite aerogels constructed through in-situ growth of metal-organic framework nanoparticles on bacterial cellulose", 《CHEMICAL ENGINEERING JOURNAL》 * |
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| CN110745806B (en) * | 2019-10-29 | 2021-06-11 | 苏州大学 | Method for preparing multi-stage porous carbon material by using bacteria as template to grow MOF and application of multi-stage porous carbon material in energy storage device |
| CN111282522A (en) * | 2020-02-10 | 2020-06-16 | 四川大学 | Metal organic framework composite aerogel material and preparation method and application thereof |
| CN111569835A (en) * | 2020-05-07 | 2020-08-25 | 海南大学 | Methylene blue adsorbent and preparation method and application thereof |
| CN112038645A (en) * | 2020-08-19 | 2020-12-04 | 嘉兴学院 | Preparation method of nitrogen-doped porous carbon electrocatalyst with core-shell structure |
| CN112030561A (en) * | 2020-08-19 | 2020-12-04 | 嘉兴学院 | Preparation method of ZIF-8@ bacterial cellulose macroscopic three-dimensional composite membrane with core-shell structure |
| CN112038645B (en) * | 2020-08-19 | 2021-11-16 | 嘉兴学院 | Preparation method of nitrogen-doped porous carbon electrocatalyst with core-shell structure |
| CN111740117A (en) * | 2020-08-25 | 2020-10-02 | 南京理工大学 | Preparation method and application of electrocatalytic oxygen reduction catalytic material N-PC @ CBC |
| CN112777583A (en) * | 2021-01-26 | 2021-05-11 | 哈尔滨工业大学 | Preparation method of green heteroatom modified integrated biochar cathode |
| CN112777583B (en) * | 2021-01-26 | 2022-07-01 | 哈尔滨工业大学 | Preparation method of green heteroatom modified integrated biochar cathode |
| CN113036160A (en) * | 2021-02-04 | 2021-06-25 | 浙江金昌特种纸股份有限公司 | Preparation method of nanocellulose-derived carbon-supported cobalt electrocatalyst |
| CN115440992A (en) * | 2022-09-14 | 2022-12-06 | 福州大学 | Preparation of hierarchical porous collagen-based metal nickel organic framework composite carbon nanofiber fuel cell cathode material |
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