CN109510506A - A kind of carbon based fibers shape water flow nano generator and preparation method thereof - Google Patents

A kind of carbon based fibers shape water flow nano generator and preparation method thereof Download PDF

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Publication number
CN109510506A
CN109510506A CN201811313738.8A CN201811313738A CN109510506A CN 109510506 A CN109510506 A CN 109510506A CN 201811313738 A CN201811313738 A CN 201811313738A CN 109510506 A CN109510506 A CN 109510506A
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carbon material
carbon
material fiber
nano
preparation
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CN109510506B (en
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王斌
程建丽
杨杰
李雪莲
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SICHUAN RESEARCH CENTER OF NEW MATERIALS
Institute of Chemical Material of CAEP
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SICHUAN RESEARCH CENTER OF NEW MATERIALS
Institute of Chemical Material of CAEP
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/22Methods relating to manufacturing, e.g. assembling, calibration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/185Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams

Abstract

The invention discloses a kind of carbon based fibers shape water flow nano generators and preparation method thereof, include the following steps the preparation of (1) core-shell structure copolymer shape nanoparticle/carbon material fiber: by carbon material fiber after acetone, ethyl alcohol and deionized water successively supersound washing naturally dry, the carbon material fiber dried is subjected to surface hydrophilic processing, then the carbon material fiber to surface Jing Guo hydrophilicity-imparting treatment carries out nano surface particle cladding;(2) carbon material fiber both ends are connected with copper conductor respectively, then copper conductor is penetrated in plastic catheter, carbon material fiber one end is exposed at outside plastic catheter, the other end is placed in inside plastic catheter, it is installed into water outlet connector respectively at plastic catheter both ends, the copper conductor and carbon material fiber of exposing are placed on the outside of the connector, and are sealed with hot melt adhesive to connecting portion.Using nano generator of the invention, fluid mechanical energy easily can be changed into electric energy, be conducive to large-scale promotion and application industrially.

Description

A kind of carbon based fibers shape water flow nano generator and preparation method thereof
Technical field
The invention belongs to the nanometer energy and technical field of generators, and in particular to a kind of carbon based fibers shape fluid nanometer generating Machine and preparation method thereof.
Background technique
In recent years, with the continuous failure of conventional fossil fuel, energy problem have become restrict human future existence and The key element of development.To solve energy problem, domestic and international researchers have carried out greatly the development and utilization of renewable energy Quantifier elimination.Wherein, nano generator can turn the mechanical energy of dispersion as one of collection of energy and the nanotechnology of conversion It is changed to electric energy, this may be implemented making full use of for energy, and to self power generation and from the designing and producing of driving nanosystems device To key effect.Currently, the nano generator of the fluid based on electric double layer separating mechanism it has been reported that and be mostly with carbon material It is main, such as carbon nanotube, graphene etc..However, current water flow nano generator there is a problem in that: (1) conversion of energy Efficiency is lower, and overall output power is small;(2) structure is complicated for generator, and preparation process is complicated, limits the scope of application.
Summary of the invention
In order to overcome the above technical defects, the present invention provides a kind of carbon based fibers shape fluid nano generator and its preparations Fluid mechanical energy easily can be changed into electric energy, can be convenient by method, the fluid nano generator that this method is prepared Carry out circuit connection, be conducive to large-scale promotion and application industrially.
In order to reach above-mentioned technical effect, the present invention provides a kind of preparation sides of carbon based fibers shape water flow nano generator Method, which is characterized in that include the following steps (1) core-shell structure copolymer shape nanoparticle/carbon material fiber preparation: carbon material fiber is passed through Acetone, ethyl alcohol and deionized water successively naturally dry after supersound washing, carry out surface hydrophilic processing for the carbon material fiber dried, Then carbon material fiber to surface Jing Guo hydrophilicity-imparting treatment carries out nano surface particle cladding, obtain core-shell structure copolymer shape nanoparticle/ Carbon material fiber;(2) prepared core-shell structure copolymer shape nanoparticle/carbon material fiber both ends are connected with copper conductor respectively, then will Copper conductor penetrates in plastic catheter, and the core-shell structure copolymer shape nanoparticle/carbon material fiber one end is exposed at outside plastic catheter, another End is placed in inside plastic catheter, is installed into water outlet connector, the copper conductor and core-shell structure copolymer shape nanometer of exposing respectively at plastic catheter both ends Particle/carbon material fiber is placed on the outside of the connector, and is sealed with hot melt adhesive to connecting portion, and carbon based fibers shape is obtained Water flow nano generator.
Further technical solution is that the method for carbon material fiber surface hydrophilic treated is selected from surface in the step (1) Oxidation, surface grafting, small molecule coating or electro-deposition in any one.
Further technical solution is that nanoparticle method for coating is selected from growth in situ, coating, leaching in the step (1) Any one in stain or electro-deposition.
Further technical solution is that nanoparticle is selected from sulfide nano-particle, oxidate nano in the step (1) The sulfide nano-particle of particle, nitride nano particle, carbide nanometer particle and modification or modification, oxidate nano grain One of son, nitride nano particle, carbide nanometer particle are a variety of.
Further technical solution is that carbon material fiber is selected from carbon fiber, modified carbon fiber, graphite in the step (1) Alkene fiber, modified graphene fiber, carbon nano-tube fibre, activated carbon fibre, fullerene fiber or two-dimentional transition metal carbide One of composite fibre is a variety of.
Further technical solution is to be connected with fluid solution in plastic catheter described in the step (2), the fluid is molten Any one of liquid in the soluble salt solutions containing alkali or alkaline earth metal, seawater, blood.
The present invention also provides a kind of carbon based fibers shape water flow nano generators prepared by the preparation method.
Compared with prior art, the invention has the following beneficial effects:
The fluid nano generator being prepared using preparation method of the invention is separated based on solid-liquid interface electric double layer Principle is made of the core-shell structure copolymer shape carbon material fiber of surface growth nano-particle, and fluid used is salting liquid, is incited somebody to action with can be convenient Salt water mechanical energy is converted into electric energy, prepared fluid nano generator and has high power density and excellent high salt concentration Solution environmental stability has the features such as lightweight, high flexibility, high mechanical strength and excellent environmental stability, diver can There is extensive prospect in terms of dressing energy device and organism output from driver part, and preparation process of the invention is simple to operation, It is at low cost, it is suitble to large-scale promotion and application.
Detailed description of the invention
Fig. 1 is the scanning electron microscopic picture of molybdenum disulfide array carbon fiber prepared by embodiment 2;
Fig. 2 is the open-circuit voltage of fluid nano generator prepared by embodiment 2;
Fig. 3 is open-circuit voltage of the fluid nano generator prepared in embodiment 2 under different fluid flow velocity;
Fig. 4 is open-circuit voltage of the prepared fluid nano generator under various concentration sodium chloride solution in embodiment 2;
Fig. 5 is the open-circuit voltage under prepared fluid nano generator repeatedly recycles in embodiment 2.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Embodiment 1
The carbon fiber of 30 centimeter lengths, after acetone, ethyl alcohol and deionized water successively supersound washing in 30 minutes, naturally dry. By the sulfuric acid of the carbon fiber 10% dried and 5% nitric acid mixed solution in, in 50 DEG C pre-oxidation treatment 5 hours.It is gone after taking-up Ion water washing, naturally dry are spare.The carbon fiber of oxidation processes is placed in 50 milliliters of high pressure water heating kettles, is then added in water heating kettle Enter the cobalt nitrate and urea mixed solution that 35 milliliters of molar ratios are 1:3, is reacted 16 hours in 160 DEG C.To take out after reaction Carbon fiber is cleaned by ultrasonic simultaneously naturally dry.Then the carbon fiber for being coated with basic cobaltous carbonate is placed in ar gas environment and is forged for 300 DEG C It burns 30 minutes, obtains the core-shell structure copolymer shape carbon fiber of cobaltosic oxide nano line cladding.
15 centimetres of the clip core-shell structure copolymer shape carbon fibers with cobaltosic oxide nano piece, by its both ends respectively at copper conductor phase Even, it and penetrates in the polypropylene plastics hose that diameter is 3 millimeters, wherein one end carbon fiber exposes hose.Water swivel will be passed in and out again Hose two sides are installed to, and conduit connection is sealed with hot melt adhesive.
Embodiment 2
The carbon fiber of 50 centimeter lengths, after acetone, ethyl alcohol and deionized water successively supersound washing in 30 minutes, naturally dry. The carbon fiber dried is placed in 10% sulfuric acid and 5% potassium peroxydisulfate mixed solution, in 50 DEG C pre-oxidation treatment 10 hours. Deionized water is washed after taking-up, and naturally dry is spare.The carbon fiber of oxidation processes is placed in 50 milliliters of high pressure water heating kettles, then water The ammonium molybdate and thiocarbamide mixed solution that 35 milliliters of molar ratios are 1:3 are added in hot kettle, is reacted 24 hours in 200 DEG C.Wait react knot Carbon fiber is taken out after beam, is cleaned by ultrasonic simultaneously naturally dry, and then 500 DEG C calcining 1 hour in ar gas environment, obtains two sulphur of nanometer Change the core-shell structure copolymer shape carbon fiber of molybdenum nano-chip arrays cladding.
Its both ends is connected by 10 centimetres of carbon fibers with molybdenum disulfide array of clip respectively at copper conductor, and penetrates straight In the polypropylene plastics hose that diameter is 2 millimeters, wherein one end carbon fiber exposes hose.Disengaging water swivel is installed to hose two again Side, and conduit connection is sealed with hot melt adhesive.
Fig. 1 is molybdenum disulfide/carbon fiber scanning electron microscopic picture prepared by embodiment 2, as seen from the figure, molybdenum disulfide nano Piece is evenly distributed in carbon fiber surface, the array structure of formation rule;
Using sodium chloride solution as fluid, prepared fluid nano generator energy conversion performance is tested, is surveyed Test result is shown in attached drawing 2~5.
Fig. 2 is the open-circuit voltage of fluid nano generator prepared by embodiment 2, in the sodium-chloride water solution of 0.6 mol/L In molybdenum disulfide/carbon fiber nanometer generator performance is tested, open-circuit voltage can maintain 540 millivolts;
Fig. 3 is open-circuit voltage of the fluid nano generator prepared in embodiment 2 under different fluid flow velocity, You Tuke Know, with the increase of sodium chloride solution flow velocity, sodium ion increases in fiber surface movement rate, leads to positive and negative charge separation process Accelerate, this increases molybdenum disulfide/carbon fiber nanometer generator open voltage also constantly;
Fig. 4 is open-circuit voltage of the prepared fluid nano generator under various concentration sodium chloride solution in embodiment 2, with The increase of concentration of sodium chloride solution, molybdenum disulfide/carbon fiber nanometer generator open voltage increase, again with sodium chloride solubility Secondary increase, when sodium ion reaches saturation state in molybdenum sulfide adsorption, open-circuit voltage reaches a maximum value and keeps not Become;
Fig. 5 is the open-circuit voltage in embodiment 2 under prepared fluid nano generator 1000 times circulations, with cycle-index Increase, open-circuit voltage remain 540 millivolts it is constant, illustrate that prepared molybdenum disulfide/carbon fiber nanometer generator has Excellent stable circulation performance.
Embodiment 3
The carbon nano-tube fibre of 20 centimeter lengths, after acetone and deionized water successively wash, naturally dry.The carbon that will be dried Nanotube fibers achieve the purpose that hydrophilic modifying in oxidation processes 1 hour in ozone environment.The carbon nanotube of oxidation processes is fine Dimension is placed in 50 milliliters of high pressure water heating kettles, is then added in water heating kettle in 35 milliliter 2% of liquor potassic permanganate, anti-in 180 DEG C It answers 12 hours.To take out carbon fiber after reaction, it is cleaned by ultrasonic simultaneously naturally dry, then 500 DEG C of calcinings 1 in ar gas environment Hour, obtain the core-shell structure copolymer shape carbon nano-tube fibre of manganese dioxide nanowire cladding.
8 centimetres of core-shell structure copolymer shape carbon nano-tube fibres with manganese dioxide nanowire cladding of clip, by its both ends respectively at copper Conducting wire is connected, and penetrates in the polypropylene plastics hose that diameter is 2 millimeters, and wherein one end carbon fiber exposes hose.It again will disengaging Water swivel is installed to hose two sides, and is sealed with hot melt adhesive to conduit connection.

Claims (7)

1. a kind of preparation method of carbon based fibers shape water flow nano generator, which is characterized in that include the following steps (1) core-shell structure copolymer Shape nanoparticle/carbon material fiber preparation: after acetone, ethyl alcohol and deionized water successively supersound washing certainly by carbon material fiber It so dries, the carbon material fiber dried is subjected to surface hydrophilic processing, then the carbon material to surface Jing Guo hydrophilicity-imparting treatment is fine Dimension carries out nano surface particle cladding, obtains core-shell structure copolymer shape nanoparticle/carbon material fiber;(2) prepared core-shell structure copolymer shape is received Rice corpuscles/carbon material fiber both ends are connected with copper conductor respectively, then penetrate copper conductor in plastic catheter, the core-shell structure copolymer shape Nanoparticle/carbon material fiber one end is exposed at outside plastic catheter, and the other end is placed in inside plastic catheter, at plastic catheter both ends It is installed into water outlet connector respectively, the copper conductor and core-shell structure copolymer shape nanoparticle/carbon material fiber of exposing are placed in outside the connector Side, and connecting portion is sealed with hot melt adhesive, obtain carbon based fibers shape water flow nano generator.
2. the preparation method of carbon based fibers shape water flow nano generator according to claim 1, which is characterized in that the step Suddenly in (1) carbon material fiber surface hydrophilic treated method selected from surface oxidation, surface grafting, small molecule coating or electro-deposition in Any one.
3. the preparation method of carbon based fibers shape water flow nano generator according to claim 1, which is characterized in that the step Suddenly any one of nanoparticle method for coating in growth in situ, coating, dipping or electro-deposition in (1).
4. the preparation method of carbon based fibers shape water flow nano generator according to claim 1, which is characterized in that the step Suddenly nanoparticle is selected from sulfide nano-particle, oxide nano-particles, nitride nano particle or carbide nanometer grain in (1) Son and modification or modified sulfide nano-particle, oxide nano-particles, nitride nano particle, in carbide nanometer particle It is one or more.
5. the preparation method of carbon based fibers shape water flow nano generator according to claim 1, which is characterized in that the step Suddenly carbon material fiber is selected from carbon fiber, modified carbon fiber, graphene fiber, modified graphene fiber, carbon nanotube fibre in (1) Dimension, activated carbon fibre, one of fullerene fiber or two-dimentional transition metal carbide composite fibre or a variety of.
6. the preparation method of carbon based fibers shape water flow nano generator according to claim 1, which is characterized in that the step Suddenly fluid solution is connected in plastic catheter described in (2), the fluid solution, which is selected from, contains the solvable of alkali or alkaline earth metal Property salting liquid, seawater, any one in blood.
7. the carbon based fibers shape water flow nanometer generating that preparation method described in a kind of claim 1~6 any one is prepared Machine.
CN201811313738.8A 2018-11-06 2018-11-06 A kind of carbon based fibers shape water flow nano generator and preparation method thereof Active CN109510506B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1948222A (en) * 2006-11-09 2007-04-18 上海大学 Method of metal oxide cladding carbon nano-tube material
US20080115817A1 (en) * 2006-11-21 2008-05-22 Defries Anthony Combined Energy Conversion
CN103391025A (en) * 2012-05-09 2013-11-13 中国人民解放军军械工程学院 Multi-physical-field nanometer generator
CN103985561A (en) * 2014-05-28 2014-08-13 中国工程物理研究院化工材料研究所 Graphene in-situ load needle-shaped Co3O4 composite electrode material and manufacturing method thereof
CN104269538A (en) * 2014-09-29 2015-01-07 南京中储新能源有限公司 Graphene-coated carbon nanofiber/sulphur composite material, preparation and application thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1948222A (en) * 2006-11-09 2007-04-18 上海大学 Method of metal oxide cladding carbon nano-tube material
US20080115817A1 (en) * 2006-11-21 2008-05-22 Defries Anthony Combined Energy Conversion
CN103391025A (en) * 2012-05-09 2013-11-13 中国人民解放军军械工程学院 Multi-physical-field nanometer generator
CN103985561A (en) * 2014-05-28 2014-08-13 中国工程物理研究院化工材料研究所 Graphene in-situ load needle-shaped Co3O4 composite electrode material and manufacturing method thereof
CN104269538A (en) * 2014-09-29 2015-01-07 南京中储新能源有限公司 Graphene-coated carbon nanofiber/sulphur composite material, preparation and application thereof

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