CN108428870A - A kind of large-scale preparation method of the two-dimentional carbon plate aerogel material compound by metal and its metal derivative and its application - Google Patents
A kind of large-scale preparation method of the two-dimentional carbon plate aerogel material compound by metal and its metal derivative and its application Download PDFInfo
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Abstract
The invention discloses a kind of large-scale preparation method of two-dimentional carbon plate aerogel material compound by metal and its metal derivative and its applications, belong to the preparing technical field of function nano material.It adds water in the mixture of agarose and metal salt, the microwave heating treatment in microwave reactor obtains the composite foam of metal salt agarose, and by the foam, further calcining obtains the carbon aerogels being made of the compound two-dimentional carbon plate of metal nanoparticle.Carbon aerogels prepared by this method have high specific surface area, high graphitization and larger two-dimensional areas, therefore has high conductivity, the quick characteristics such as ion transmission channel and high activity site, in energy storage and electrochemical catalysis reaction, have high power capacity, high stability, the advantage of high activity.The preparation flow of entire material is simple, and low in raw material price is suitble to large-scale production.
Description
Technical field
The present invention relates to a kind of metal can be used as energy storage and electrochemical catalysis material and its metal derivative are compound
Two-dimentional carbon plate aerogel material preparation method, belong to the preparing technical field of function nano material.
Background technology
Energy crisis is still a global problem urgently to be resolved hurrily so far.A large amount of consumption fossil energies lead to fossil energy
Increasingly depleted, and cause environmental pollution and global warming.Development new energy technology can effectively solve energy problem.Electricity
Pool technology stores energy in the form of chemical energy, is a kind of technology of green, efficient energy storage and conversion.Lithium-ion electric
Pond have longer cycle life, high-energy density, low self-discharge, it is environmentally friendly the features such as be widely used in mobile phone, computer,
It is the most ripe and most widely used a kind of energy conversion skill of technology in new energy field in the mobile energy device such as electric vehicle
Art.In addition, biomass energy is directly converted the new energy technology of electric discharge by fuel battery energy, conversion is reduced compared with conventional batteries
It at the process of chemical energy, is not limited by Carnot cycle, greatly improves the utilization rate of fuel.Fuel cell technology has been answered at present
For in new-energy automobile.
The negative material of commercial Li-ion battery is graphite at present, and theoretical specific capacity is only 372mAh g-1, Wu Faman
Demand of the sufficient market to high performance lithium ion battery.Therefore need development a kind of high with specific capacity, lower-price characteristic
Lithium ion battery negative material.In fuel cell field, oxygen reduction reaction (ORR) needs catalyst raising efficiency, and oxygen is also
Energy and fuel-bound after original.Commercialized catalyst is carbon Supported Pt Nanoparticles, and it is expensive, and easily the factors such as poisoning constrain fuel electricity
The development in pond.
Aeroge is a kind of with low-density, the nano material of high porosity, high-specific surface area.High specific surface area can be with
Increase active site, promotes catalytic performance.Carbon-based aeroge is also used as the protective layer in battery charge and discharge process, limit
Active material processed volume expansion caused by reaction is detached from collector.Therefore aeroge can effectively promote the electrochemistry of material
Energy.It is core of the invention using simple condition prepare with scale aeroge.It can solve of high cost, effect existing for commercial battery
The problems such as rate is low.
Transition metal oxide is a kind of conversion class negative material, because it is with theoretical specific capacity height (~1000mAh g-1), rich reserves are cheap, the advantages such as environmentally friendly and be considered as next-generation negative material.But transition metal oxide
Electric conductivity it is poor, the problems such as capacity attenuation is fast, and high rate performance is poor, constrains its business application, thus researcher pass through it is various
Method modifies transition metal oxide.It is one of current research hotspot that carbon, which wraps up transition metal oxide composite material,.
Carbon material can be stable in the presence of in lithium-ion battery electrolytes, have protective effect to transition metal oxide, therefore can effectively delay
Solve the decaying of transition metal oxide performance.
Agarose (agarose) is a kind of linear polymer.Solubility is promoted with the promotion of temperature in water, and
It is dissolved at about 90 DEG C or more.Translucent gel is formed after cooling.In Ago-Gel, the secondary bond with sugar chain is formed
Reticular structure, therefore agarose can not only provide carbon source, but also can be as the presoma of two-dimentional carbon plate.
Urea (urea) is a kind of organic matter that nitrogen content is high, is often used as chemical nitrogen fertilizer.It is low with price
Honest and clean, nitrogen content is high, and the advantage of good water solubility is often used as nitrogen source in materials synthesis, research shows that the carbon materials of N doping
Material has excellent ORR catalytic activity.
Invention content
The present invention provide it is a kind of using low cost feedstock prepare with scale have excellent chemical property metal and its
The simple process of the compound two-dimentional carbon plate aerogel material of metal derivative.Wherein, the N doping Fe of preparation3C aeroges have
Excellent ORR performances, Fe/Fe3O4Composite aerogel has excellent performance of lithium ion battery.Solve the life of commercial battery material
The problems such as production. art is complicated, of high cost, poor performance.
Nanocomposite prepared by the present invention is realized by following experimental program.
A kind of large-scale preparation method of the two-dimentional carbon plate aerogel material compound by metal and its metal derivative, the system
Preparation Method includes the following steps：
A, water is added to mix with metal salt carbon precursor, the carbon precursor is agarose or agarose and nitrogenous carbon source
Mixture, the metal salt be iron content, cobalt, nickel, manganese or molybdenum element salt, mixture is placed in microwave reactor instead
Answer 5~60s.The solution of acquisition continues microwave reaction, and the reaction time is 30~120s, and reaction times are 1~5 time, and moisture is evaporated
Afterwards, the solid foam of a carbon matrix precursor-metal derivative full of beaker is obtained；
B, by the solid foam obtained in step a in 700~1200 DEG C of 1~10h of calcining of tube furnace high temperature, heating rate
For 2~15 DEG C/min, atmosphere is inert atmosphere, and cementite nano-particles reinforcement two dimension carbon nanosheet Fe is prepared3C@CNSs、
Compound two-dimentional carbon nanosheet Co CNSs of cobalt nano-particle, compound two-dimentional carbon nanosheet Ni CNSs of nano nickel particles, molybdenum carbide are received
The compound two-dimentional carbon nanosheet Mo of rice grain2C@CNSs, cementite nano-particles reinforcement two dimension nitrogen-doped carbon nanometer sheet Fe3C@NCNS；
C, by the product in step b, 200~500 DEG C of calcining 10~100h heating rates of low temperature are 2~15 in tube furnace
DEG C/min, atmosphere is air atmosphere, obtains the corresponding compound two dimension carbon nanosheet FeOx CNSs, CoOx of metal oxide
CNSs, NiOx@CNSs, MoOx@CNSs and FeOx@NCNSs.
Preferably, nitrogenous carbon source used is urea or melamine in the step a.
Preferably, metal salt used in the step a, agarose and nitrogenous carbon source mixture needs are sufficiently mixed, and are reached
To the purpose of interaction.
Preferably, metal salt used in the step a:Agarose:The mass ratio of nitrogenous carbon source is 1~3:2~5:0~
1。
Preferably, the power that the microwave reactor used in the step a uses is 700~1200W.
Preferably, the inert gas of the heat treatment condition in the step b is nitrogen or argon gas.
The compound two-dimentional carbon plate aerogel material application of the metal and its metal derivative, the metal oxide or
The compound two-dimentional carbon plate FeOx CNSs of carbide, CoOx CNSs, Mo2C@CNSs, NiOx@CNSs or MnOx@CNSs and metal oxygen
Compound or the compound N doping Two-dimensional Carbon piece CoOx NCNSs of carbide, NiOx NCNSs, MoC2@NCNSs or Fe3NCNSs nanometers of C@
Material is in energy storage and conversion, the application of metal ion battery, metal-air battery or ultracapacitor and electro-catalysis.
Preferably, the metal oxide or the compound two-dimentional carbon plate FeOx CNSs of carbide, CoOx CNSs, MoC2@
CNSs, NiOx@CNSs or MnOx@CNSs can be used as ion battery or electrode material for super capacitor；Metal oxide or carbonization
The compound N doping Two-dimensional Carbon piece CoOx NCNSs of object, NiOx NCNSs, MoC2@NCNSs or Fe3C@NCNSs can be used as electro-catalysis or
Air cell electrode material.
Preferably, the nano material is used as the production method of ion battery cathode material, and steps are as follows：
A. by the compound two-dimentional carbon plate FeOx CNSs of metal oxide or carbide, CoOx CNSs, MoC2@CNSs, NiOx@
CNSs or MnOx CNSs nano materials are according to the metal oxide or the compound two-dimentional carbon plate of carbide prepared by active material：It leads
Electric agent acetylene black：Binder polyvinylidene fluoride PVDF mass ratioes are 8：1：1, by material, acetylene black, polyvinylidene fluoride PVDF
It is sufficiently mixed grinding, solvent N-methyl pyrilidone NMP is added, material is made to be uniformly mixed, obtains and disperses uniform slurry, then
It is uniformly applied in copper foil current collector, is transferred to vacuum drying chamber, dried at 60 DEG C>24h；
B. it is anode with metal lithium sheet, 1.0M LiPF6 are dissolved in EC:DMC:EMC=1：1：1Vol% is electrolyte, with poly-
Propylene film assembles button cell as diaphragm in glove box, assembled battery is carried out on battery testing cabinet cell performance
It can test.
Preferably, metal oxide or the compound N doping Two-dimensional Carbon piece CoOx NCNSs of carbide, NiOx NCNSs,
MoC2@NCNSs or Fe3C@NCNSs can be used as electrode catalytic materials and can be applied among electrochemical catalysis reaction, oxygen reduction
Electrification can be tested in the electrolyte of the KOH solution of 0.1~1.0M at ambient temperature with precipitation or hydrogen evolution reaction
Learn catalytic activity.
For this method compared with tradition prepares the method for two-dimentional carbon plate or aeroge, universality is very strong, in real case,
Many metal composites are applicable in, therefore greatly improve the application range of material.Laboratory operating procedures are simple, experiment is quick, obtain
The material obtained has the metallic particles of high two-dimensional areas (micron order) and Nano grade and possesses high specific surface area.Experiment
Chemical agent utilization rate is high in the process, does not need any surfactant, therefore after having synthesized material, without any rear place
Reason.In addition, during preparing carbide, there is partially carbonized object hollow structure electricity can be effectively relieved in electrochemical applications
Volume expansion caused by chemical reaction.Upper in application, the material cell performance that this method obtains is more than the theory of oxide itself
Capacity, and there is quite outstanding capacity contribution under the conditions of high power charging-discharging.In addition, the compound N doping of metal carbides
Two-dimentional carbon plate aeroge possesses excellent electrocatalysis characteristic, has very much foreground in the application of fuel cell.
Description of the drawings
The present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the scanning electron microscope under the carbon nanosheet different amplification of cementite Particles dispersed in the embodiment of the present invention 1
Image
Fig. 2 is the scanning electricity under the carbon nanosheet different amplification that iron/ferric oxide particles are compound in the embodiment of the present invention 1
Mirror image
Fig. 3 is the scanning electron microscope under the carbon nanosheet different amplification of metallic cobalt Particles dispersed in the embodiment of the present invention 2
Image
Fig. 4 is the scanning electron microscope under the carbon nanosheet different amplification of metallic nickel Particles dispersed in the embodiment of the present invention 3
Image
Fig. 5 is the scanning electron microscope under the carbon nanosheet different amplification that molybdenum carbide particles are compound in the embodiment of the present invention 4
Image
Fig. 6 receives for the compound carbon of the carbon nanosheet and iron/ferric oxide particles of cementite Particles dispersed in the embodiment of the present invention 1
The XRD analysis figure of rice piece
Fig. 7 is the XRD analysis figure of the compound carbon nanosheet of cobalt granule in the embodiment of the present invention 2
Fig. 8 is the XRD analysis figure of the compound carbon nanosheet of nickel particle in the embodiment of the present invention 3
Fig. 9 is the performance of lithium ion battery figure of the compound carbon nanosheet of iron/ferric oxide particles in the embodiment of the present invention 1
Figure 10 is the ORR performance maps of the nitrogen-doped carbon nanometer sheet of cementite Particles dispersed in the embodiment of the present invention 5
Specific implementation mode
Embodiment 1
By 3g agaroses and 2g Fe (NO3)3·9H2Then O, which is added in 10mL deionized waters, forms a block by block
It is put into microwave heating 30s in micro-wave oven, block melts to form a red tan solution.After solution is sufficiently stirred, continue to be put into
Micro-wave oven microwave heating 120s.Solution is gradually dry by boiling, formed brown be full of and the block for beaker of emerging.Block is turned
It moves to and rises to 900 degrees Celsius with 2 degree of heating rates per minute in a nitrogen atmosphere in tube furnace and keep being forged for 2 hours
It burns.It is obtained by Fe after calcining3The black aeroge of C Particles dispersed two dimension carbon plates composition.
In air by the above aeroge, it is calcined 20 hours under 250 degrees celsius, obtains Fe/Fe3O4Particles dispersed two
The aeroge is used for negative material by the aeroge for tieing up carbon plate composition, and lithium ion battery test is made.
Embodiment 2
By 3g agaroses and 2g Co (NO3)2·6H2Then O, which is added in 10mL deionized waters, forms a block by block
It is put into microwave heating 30s in micro-wave oven, block melts to form a red solution.After solution is sufficiently stirred, continue to be put into micro-
Wave stove microwave heating 120s.Solution is gradually dry by boiling, forms one and red is full of and the block for beaker of emerging.Block is transferred to
900 degrees Celsius are risen to 2 degree of heating rates per minute and keep being calcined for 2 hours in a nitrogen atmosphere in tube furnace.It forges
The black aeroge being made of Co Particles dispersed two dimension carbon plates is obtained after burning.
Embodiment 3
By 3g agaroses and 2g Ni (NO3)2·6H2Then O, which is added in 10mL deionized waters, forms a block by block
It is put into microwave heating 30s in micro-wave oven, block melts to form a green solution.After solution is sufficiently stirred, continue to be put into micro-
Wave stove microwave heating 120s.Solution is gradually dry by boiling, and one light green color of formation is full of and the block for beaker of emerging.Block is shifted
900 degrees Celsius are risen to 2 degree of heating rates per minute and keep being calcined for 2 hours in a nitrogen atmosphere in tube furnace.
The black aeroge being made of Ni Particles dispersed two dimension carbon plates is obtained after calcining.
Embodiment 4
By 3g agaroses and 2g H24Mo7N6O24·4H2Then O, which is added in 10mL deionized waters, forms a block by block
Body is put into microwave heating 30s in micro-wave oven, and block melts to form a light green solution.After solution is sufficiently stirred, continue to put
Enter micro-wave oven microwave heating 120s.Solution is gradually dry by boiling, and one light green color of formation is full of and the block for beaker of emerging.By block
It is transferred in tube furnace and rises to 900 degrees Celsius with 2 degree of heating rates per minute in a nitrogen atmosphere and keep being forged for 2 hours
It burns.It is obtained by Mo after calcining2The black aeroge of C Particles dispersed two dimension carbon plates composition.
Embodiment 5
By 3g agaroses, 2g Fe (NO3)3·9H2It is right that O and 1g urea is added to one block of formation in 10mL deionized waters
Block is put into microwave heating 30s in micro-wave oven afterwards, block melts to form a red tan solution.After solution is sufficiently stirred,
Continue to be put into micro-wave oven microwave heating 120s.Solution is gradually dry by boiling, formed brown be full of and the block for beaker of emerging.
Block is transferred in tube furnace and rises to 900 degrees Celsius with 2 degree of heating rates per minute in a nitrogen atmosphere and is kept for 2 hours
It is calcined.It is obtained by Fe after calcining3The black aeroge of C Particles dispersed N doping two dimension carbon plates composition.The Fe that will be obtained3C
The black aeroge of the compound N doping Two-dimensional Carbon piece composition of grain carries out electro-catalysis test in 0.1M KOH electrolyte.
Embodiment 6
1, the preparation method of metal and the compound two-dimentional carbon plate aeroge of metal carbides
By metal salt (salt of the metals such as such as Cu, Fe, Co, Ni, Mo and Mn) and agarose (ratio such as 1-5g:It is 2-10g) molten
In 5-30mL ultra-pure waters, after being thoroughly mixed, it is transferred to microwave reactor.Under microwave condition (such as 500-1500W)
(1-5 times) reaction 1-10min by several times obtains a polymer-metal complex for emerging beaker after moisture evaporation is complete.
Polymer-metal complex is transferred to tube furnace, high temperature (such as 600-1200 DEG C) calcines 1- under nitrogen atmosphere
10h obtains metal or the compound two-dimentional carbon plate aeroge of metal carbides respectively according to the difference of metal salt.
2, the preparation method of the compound two-dimentional carbon plate aeroge of metal oxide
The compound two-dimentional carbon plate aeroge of the metal of compound made above or metal carbides is placed in tube furnace, it is empty
Under gas atmosphere 5-120h is reacted under lower temperature (such as 200-400 DEG C).Obtain the compound two-dimentional carbon plate aeroge of metal oxide.
3, the preparation method of the compound N doping Two-dimensional Carbon piece of metal carbides
By metal salt (salt of the metals such as such as Cu, Fe, Co, Ni, Mo and Mn), agarose and urea (ratio such as 1-5g:2-
10g:It 2-5g) is dissolved in 5-30mL ultra-pure waters, after being thoroughly mixed, is transferred to microwave reactor.Microwave condition (such as
1-10min is reacted under 500-1500W) (1-5 time) by several times, and a polymer-metal for emerging beaker is obtained after moisture evaporation is complete
Compound.
Polymer-metal complex is transferred to tube furnace, high temperature (such as 600-1200 DEG C) calcines 1- under nitrogen atmosphere
10h obtains metal or the compound N doping Two-dimensional Carbon piece aeroge of metal carbides respectively according to the difference of metal salt.
4, the lithium ion battery stored energy application of the compound two-dimentional carbon plate aeroge of metal oxide
The compound two-dimentional carbon plate aeroge of metal oxide is tested for lithium cell cathode material, first, in accordance with activity
Substance：Conductive agent：Binder mass ratio is 8：1：1.By material, acetylene black, polyvinylidene fluoride (PVDF) is sufficiently mixed grinding,
Solvent N-methyl pyrilidone (NMP) is added, material is made to be uniformly mixed, obtains and disperses uniform slurry, it is then uniform to smear
In copper foil current collector.Then copper foil is transferred in vacuum drying chamber, is dried for 24 hours at 60 DEG C.It is anode with metal lithium sheet,
1.0M LiPF6 are dissolved in EC:DMC:EMC=1：1：1Vol% is electrolyte, using polypropylene screen as diaphragm, battery case model
2032, button cell is assembled in glove box.Assembled battery is carried out on battery testing cabinet (the new prestige CT-4008 in Shenzhen)
Constant current charge-discharge loop test, operating voltage are 0.01~3V.
5, the electro-catalysis application of the compound N doping Two-dimensional Carbon piece of metal carbides
It will be dispersed in ethyl alcohol after the compound N doping Two-dimensional Carbon piece aeroge grinding of 3mg metal carbides：Water 4:1 solution
In, and the 5wt%nafion solution of 5 μ L is added as bonding agent.By mixed liquor ultrasonic disperse 30min, it is made to be uniformly dispersed.It will
On obtained solution loadings to glass-carbon electrode, it is 0.2mg/cm2 to make load capacity of the material on glass-carbon electrode.It is to electricity with platinized platinum
Pole, silver/silver chloride electrode are reference electrode, and glass-carbon electrode is working electrode, are electricity in the potassium hydroxide saturated oxygen solution of 0.1M
Solution liquid is rotated on rotating disk electrode (r.d.e) device (pine), the enterprising line volt-ampere test of electrochemical workstation, test electricity
Press 0.2~-0.8V of range.
Claims (10)
1. a kind of large-scale preparation method of the two-dimentional carbon plate aerogel material compound by metal and its metal derivative, feature
It is, which includes the following steps：
A, water is added to mix with metal salt carbon precursor, the carbon precursor is the mixing of agarose or agarose and nitrogenous carbon source
Object, the metal salt be iron content, cobalt, nickel, manganese or molybdenum element salt, mixture is placed in microwave reactor and reacts 5
~60s.The solution of acquisition continues microwave reaction, and the reaction time is 30~120s, and reaction times are 1~5 time, after moisture is evaporated,
Obtain the solid foam of a carbon matrix precursor-metal derivative full of beaker；
B, by the solid foam obtained in step a in 700~1200 DEG C of 1~10h of calcining of tube furnace high temperature, heating rate 2
~15 DEG C/min, atmosphere is inert atmosphere, and cementite nano-particles reinforcement two dimension carbon nanosheet Fe is prepared3C@CNSs, cobalt
Compound two-dimentional carbon nanosheet Ni CNSs of nano-particles reinforcement two dimension carbon nanosheet Co CNSs, nano nickel particles, molybdenum carbide nanometer
Particles dispersed two dimension carbon nanosheet Mo2C@CNSs, cementite nano-particles reinforcement two dimension nitrogen-doped carbon nanometer sheet Fe3C@NCNS；
C, by the product in step b in tube furnace 200~500 DEG C of low temperature calcining, 10~100h heating rates be 2~15 DEG C/
Min, atmosphere are air atmosphere, obtain the compound two dimension carbon nanosheet FeOx CNSs, CoOx CNSs of corresponding metal oxide,
NiOx@CNSs, MoOx@CNSs and FeOx@NCNSs.
2. metal according to claim 1 and its compound two-dimentional carbon plate aerogel material preparation method of metal derivative,
It is characterized in that：Nitrogenous carbon source used is urea or melamine in the step a.
3. metal according to claim 1 and its compound two-dimentional carbon plate aerogel material preparation method of metal derivative,
It is characterized in that：Metal salt used in the step a, agarose and nitrogenous carbon source mixture needs are sufficiently mixed, and reach phase
The purpose of interaction.
4. metal according to claim 1 and its compound two-dimentional carbon plate aerogel material preparation method of metal derivative,
It is characterized in that：Metal salt used in the step a:Agarose:The mass ratio of nitrogenous carbon source is 1~3:2~5:0~1.
5. metal according to claim 1 and its compound two-dimentional carbon plate aerogel material preparation method of metal derivative,
It is characterized in that：The power that microwave reactor used in the step a uses is 700~1200W.
6. metal according to claim 1 and its compound two-dimentional carbon plate aerogel material preparation method of metal derivative,
It is characterized in that：The inert gas of heat treatment condition in the step b is nitrogen or argon gas.
7. a kind of metal according to claim 1 and its compound two-dimentional carbon plate aerogel material application of metal derivative,
It is characterized in that：The metal oxide or the compound two-dimentional carbon plate FeOx CNSs of carbide, CoOx CNSs, MoC2@CNSs,
NiOx CNSs or MnOx CNSs and compound N doping Two-dimensional Carbon piece CoOx NCNSs of metal oxide or carbide, NiOx
NCNSs、Mo2C@NCNSs or Fe3C@NCNSs nano materials are in energy storage and conversion, metal ion battery, metal-air battery
Or the application of ultracapacitor and electro-catalysis.
8. metal according to claim 7 and its compound two-dimentional carbon plate aerogel material application of metal derivative, special
Sign is：The metal oxide or the compound two-dimentional carbon plate FeOx CNSs of carbide, CoOx CNSs, MoC2@CNSs, NiOx@
CNSs or MnOx@CNSs can be used as ion battery or electrode material for super capacitor；Metal oxide or carbide composite nitrogen are mixed
Miscellaneous two dimension carbon plate CoOx NCNSs, NiOx NCNSs, MoC2@NCNSs or Fe3C@NCNSs can be used as electro-catalysis or air cell electricity
Pole material.
9. metal according to claim 8 and its compound two-dimentional carbon plate aerogel material application of metal derivative, special
Sign is：The production method that the nano material is used as ion battery cathode material, steps are as follows：
A. by the compound two-dimentional carbon plate FeOx CNSs of metal oxide or carbide, CoOx CNSs, MoC2@CNSs, NiOx@CNSs
Or MnOx CNSs nano materials are according to the metal oxide or the compound two-dimentional carbon plate of carbide prepared by active material：Conductive agent
Acetylene black：Binder polyvinylidene fluoride PVDF mass ratioes are 8：1：1, by material, acetylene black, polyvinylidene fluoride PVDF is abundant
Solvent N-methyl pyrilidone NMP is added in mixed grinding, and material is made to be uniformly mixed, and obtains and disperses uniform slurry, then uniformly
Be applied in copper foil current collector, be transferred to vacuum drying chamber, dried at 60 DEG C>24h；
B. it is anode with metal lithium sheet, 1.0M LiPF6 are dissolved in EC:DMC:EMC=1：1：1Vol% is electrolyte, with polypropylene
Film assembles button cell as diaphragm in glove box, and assembled battery is carried out battery performance survey on battery testing cabinet
Examination.
10. metal according to claim 8 and its compound two-dimentional carbon plate aerogel material application of metal derivative, special
Sign is：Metal oxide or the compound N doping Two-dimensional Carbon piece CoOx NCNSs of carbide, NiOx NCNSs, MoC2@NCNSs or
Fe3C@NCNSs can be used as electrode catalytic materials and can be applied among electrochemical catalysis reaction, oxygen reduction and precipitation or hydrogen
Evolution reaction can test electrochemical catalysis activity in the electrolyte of the KOH solution of 0.1~1.0M at ambient temperature.
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