CN106119816A - A kind of method preparing metallic cobalt/Graphene composite foam material - Google Patents
A kind of method preparing metallic cobalt/Graphene composite foam material Download PDFInfo
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- CN106119816A CN106119816A CN201610486853.XA CN201610486853A CN106119816A CN 106119816 A CN106119816 A CN 106119816A CN 201610486853 A CN201610486853 A CN 201610486853A CN 106119816 A CN106119816 A CN 106119816A
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- solution
- concentration
- polyurethane foam
- cobalt
- sodium
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
- C23C18/285—Sensitising or activating with tin based compound or composition
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
- C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Abstract
The invention discloses a kind of method preparing metallic cobalt/Graphene composite foam material.Using cellular polyurethane as supporter and template, by the method for chemical plating, prepare metallic cobalt/Graphene composite deposite on the surface of polyurethane.This metallic cobalt/Graphene composite foam material all has a wide range of applications at aspects such as energy storage, water process, sound insulations.The method preparation process is simple and easy to control, low cost, synthesis condition gentle, and material size is controlled.
Description
Technical field
The present invention relates to a kind of method preparing metallic cobalt/Graphene composite foam material, particularly relate to polyurethane
Foam, as supporter and template, utilizes electroless plating technology to prepare metallic cobalt/Graphene composite foam material, relates generally to energy storage
The technical fields such as material, material for water treatment and deadener.
Background technology
Foam metal has good electric conductivity and certain self-supporting ability, has light weight, porosity, compares table
The features such as area is big, are the ideal materials preparing various electrode, it is adaptable to various accumulator, fuel cell, air cell box are too
Sun can battery and all kinds of electrochemical process electrode.
First technology deposits on nickel foam substrate thus is prepared for foam cobalt: Wang Dianlong, Wang Chong are with nickel foam as base
Body is prepared for foam cobalt through rolling, activation, electro-deposition, and has prepared three-dimensional foamed cobalt oxide cathode material by heat treatment
Material.But this method is limited to foam nickel fractions, it is impossible to control the performances such as foam cobalt void ratio, diameter more neatly.
Additionally, nanotechnology obtains increasingly extensive application, and metal material is after size reaches nanoscale, and its electric conductivity can be by aobvious
Write impact, therefore, it is possible to the Material cladding of high conductivity, be beneficial to the application of this kind of nanometer foam cobalt material.
Summary of the invention
Based on the deficiency in first technology, the present invention is selected polyurethane foam as supporter and template, is aoxidized by introducing
Graphene, utilizes electroless plating technology to be prepared for metallic cobalt/Graphene composite foam material.
For achieving the above object, the technical solution of the present invention is as follows:
A kind of method preparing metallic cobalt/Graphene composite foam material, comprises the steps:
(1) polyurethane foam is put in the acid potassium permanganate aqueous solution that 45 C concentration are 1g/L immersion 5 minutes, takes out and rush
Wash clean;Then, after clean polyurethane foam being put in the oxalic acid aqueous solution that 45 C concentration are 10g/L immersion 5 minutes, take
Go out and rinse well;Then, clean polyurethane foam is put into containing 0.1g/L Palladous chloride., 5g/L stannous chloride and 100g/L
After 1000 mL aqueous solutions of sodium chloride soak 10 minutes, take out and rinse well, then be put in 3.7% concentrated hydrochloric acid aqueous solution leaching
After steeping 5 minutes, take out and rinse well;
(2) weigh a certain amount of cobaltous sulfate, sodium citrate, sodium hypophosphite, boric acid respectively and be dissolved in successively in deionized water, stirring
Mix homogeneously, adds graphene oxide solution, and ultrasonic disperse is uniform, prepares plating solution;
(3) weigh a certain amount of sodium hypophosphite and be dissolved in water, add graphene oxide solution, ultrasonic disperse, make prepreg solution;So
After extract processing, through step (1), the polyurethane foam that obtains, put into prepreg solution and soak 10min;
(4) polyurethane foam soaked through step (3) is put in again in the plating solution that step (2) prepares, and by dilute hydroxide
It is 8.5 ~ 8.8 that sodium solution controls the pH value of plating solution;Then controlling reaction temperature is that 80 C ~ 90 C change in polyurethane foam
Learn cobalt plating reaction 30min ~ 120min;Taking-up is rinsed well and dries, and obtains metallic cobalt/Graphene composite foam material.
Further, in the plating solution described in step (2), cobalt sulfate concentration is 10 ~ 25g/L;Sodium hypophosphite concentration is 15 ~ 25g/
L;Boric acid concentration is 25 ~ 35g/L, and sodium citrate concentration is 55 ~ 65g/L, and graphene oxide concentration is 0.1 ~ 1g/L.
Further, in the prepreg solution described in step (3), sodium hypophosphite concentration is 30g/L;Graphene oxide concentration is 0.4 ~
2g/L。
The present invention utilizes chemical plating method directly growth acquisition metallic cobalt/Graphene compound vacuole on polyurethane foam matrix
Foam material.Wherein polyurethane foam serves as foam metal skeleton.Cobalt salt in plating solution is as the cobalt source of formation foam cobalt, in plating solution
Graphene oxide as Graphene originate.In plating process, cobalt salt and graphene oxide are reduced and deposit to simultaneously to gather
Urethane surface forms metallic cobalt/Graphene composite foam material.The method preparation process is simple and easy to control, low cost, synthesis condition
Gentle.
Accompanying drawing explanation
Metallic cobalt/Graphene the composite foam material of Fig. 1 embodiment 1 preparation
Metallic cobalt/Graphene the composite foam material of Fig. 2 embodiment 2 preparation
Metallic cobalt/Graphene the composite foam material of Fig. 3 embodiment 3 preparation
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, but protection scope of the present invention is not limited to this.
Embodiment 1
Weigh 1.5g CoSO4, 2.1g NaH2PO2, 30g H3BO3, 5.8g sodium citrate, it is dissolved in water successively, mix homogeneously,
Being settled to 100mL, take during wherein 10mL puts into small beaker, add 4g/L graphene oxide 2mL, ultrasonic disperse is uniform, as plating
Liquid.
Weigh sodium hypophosphite 0.3g, be dissolved in water, add 4g/L graphene oxide 2.5mL, add water to 10mL, ultrasonic place
Reason 10min, as prepreg solution.The polyurethane foam that will process through step (1), extracts and puts into prepreg solution, soaks 10min.
By putting into plating solution through the urethane film of preimpregnation, be fixed under liquid level, sodium hydroxide control plating solution pH be 8.5 ~
8.8, it is 86 C ~ 88 C that oil bath controls bath temperature.After reaction 60min, taking out, deionized water is cleaned, and air-dries, i.e. obtains metal
Cobalt/Graphene composite foam material.Result is as shown in Fig. 1 in Figure of description.
Embodiment 2
Weigh 1.5g CoSO4, 2.1g NaH2PO2, 30g H3BO3, 5.8g sodium citrate, it is dissolved in water successively, mix homogeneously,
Being settled to 100mL, take during wherein 10mL puts into small beaker, add 4g/L graphene oxide 3.3mL, ultrasonic disperse is uniform, as
Plating solution.
Weigh sodium hypophosphite 0.3g, dissolve, add 4g/L graphene oxide 5mL, add water to 10mL, supersound process 10min,
As prepreg solution.The polyurethane foam that will process through step (1), extracts and puts into prepreg solution, soaks 10min.
By putting into plating solution through the urethane film of preimpregnation, be fixed under liquid level, sodium hydroxide control plating solution pH be 8.5 ~
8.8, it is 86 C ~ 88 C that oil bath controls bath temperature.After reaction 60min, taking out, deionized water is cleaned, and air-dries, i.e. obtains metal
Cobalt/Graphene composite foam material.Result is as shown in Fig. 2 in Figure of description.
Embodiment 3
Weigh 1.5g CoSO4, 2.1g NaH2PO2, 30g H3BO3, 5.8g sodium citrate, it is dissolved in water successively, mixing is all
Even, it is settled to 100mL, takes during wherein 10mL puts into small beaker, add 4g/L graphene oxide 1mL, ultrasonic disperse is uniform, as
Plating solution.
Weigh sodium hypophosphite 0.3g, dissolve, add 4g/L graphene oxide 1mL, add water to 10mL, supersound process 10min,
As prepreg solution.The polyurethane foam that will process through step (1), extracts and puts into prepreg solution, soaks 10min.
By putting into plating solution through the urethane film of preimpregnation, be fixed under liquid level, sodium hydroxide control plating solution pH be 8.5 ~
8.8, it is 86 C ~ 88 C that oil bath controls bath temperature.After reaction 60min, taking out, deionized water is cleaned, and air-dries, i.e. obtains metal
Cobalt/Graphene composite foam material.Result is as shown in Fig. 3 in Figure of description.
Embodiment 4
Weigh 1.5g CoSO4, 2.1g NaH2PO2, 30g H3BO3, 5.8g sodium citrate, it is dissolved in water successively, mix homogeneously,
Being settled to 100mL, take during wherein 10mL puts into small beaker, add 4g/L graphene oxide 2mL, ultrasonic disperse is uniform, as plating
Liquid.
Weigh sodium hypophosphite 0.3g, dissolve, add 4g/L graphene oxide 2.5mL, add water to 10mL, supersound process
10min, as prepreg solution.The polyurethane foam that will process through step (1), extracts and puts into prepreg solution, soaks 10min.
By putting into plating solution through the urethane film of preimpregnation, be fixed under liquid level, sodium hydroxide control plating solution pH be 8.5 ~
8.8, it is 86 C ~ 88 C that oil bath controls bath temperature.After reaction 30min, taking out, deionized water is cleaned, and air-dries, i.e. obtains metal
Cobalt/Graphene composite foam material.
Embodiment 5
Weigh 1.5g CoSO4, 2.1g NaH2PO2, 30g H3BO3, 5.8g sodium citrate, it is dissolved in water successively, mix homogeneously,
Being settled to 100mL, take during wherein 20mL puts into small beaker, add 4g/L graphene oxide 3mL, ultrasonic disperse is uniform, as plating
Liquid.
Weigh sodium hypophosphite 0.3g, dissolve, add 4g/L graphene oxide 2.5mL, add water to 10mL, supersound process
10min, as prepreg solution.The polyurethane foam that will process through step (1), extracts and puts into prepreg solution, soaks 10min.
By putting into plating solution through the urethane film of preimpregnation, be fixed under liquid level, sodium hydroxide control plating solution pH be 8.5 ~
8.8, it is 86 C ~ 88 C that oil bath controls bath temperature.After reaction 120min, taking out, deionized water is cleaned, and air-dries, i.e. obtains gold
Belong to cobalt/Graphene composite foam material.
Claims (3)
1. the method preparing metallic cobalt/Graphene composite foam material, it is characterised in that comprise the steps:
(1) polyurethane foam is put in the acid potassium permanganate aqueous solution that 45 C concentration are 1g/L immersion 5 minutes, takes out and rush
Wash clean;Then, after clean polyurethane foam being put in the oxalic acid aqueous solution that 45 C concentration are 10g/L immersion 5 minutes, take
Go out and rinse well;Then, clean polyurethane foam is put into containing 0.1g/L Palladous chloride., 5g/L stannous chloride and 100g/L
After 1000 mL aqueous solutions of sodium chloride soak 10 minutes, take out and rinse well, then be put in 3.7% concentrated hydrochloric acid aqueous solution leaching
After steeping 5 minutes, take out and rinse well;
(2) weigh a certain amount of cobaltous sulfate, sodium citrate, sodium hypophosphite, boric acid respectively and be dissolved in successively in deionized water, stirring
Mix homogeneously, adds graphene oxide solution, and ultrasonic disperse is uniform, prepares plating solution;
(3) weigh a certain amount of sodium hypophosphite and be dissolved in water, add graphene oxide solution, ultrasonic disperse, make prepreg solution;So
After extract processing, through step (1), the polyurethane foam that obtains, put into prepreg solution and soak 10min;
(4) polyurethane foam soaked through step (3) is put in again in the plating solution that step (2) prepares, and by dilute hydroxide
The pH value of sodium solution regulation plating solution is 8.5 ~ 8.8;Then controlling reaction temperature is that 80 C ~ 90 C change in polyurethane foam
Learn cobalt plating reaction 30min ~ 120min;Taking-up is rinsed well and dries, and obtains metallic cobalt/Graphene composite foam material.
Method the most according to claim 1, it is characterised in that in described plating solution, cobalt sulfate concentration is 10 ~ 25g/L;Secondary
Sodium phosphate concentration is 15 ~ 25g/L;Boric acid concentration is 25 ~ 35g/L, and sodium citrate concentration is 55 ~ 65g/L, graphene oxide concentration
It is 0.1 ~ 1g/L.
Method the most according to claim 1, it is characterised in that sodium hypophosphite concentration in the predip solution described in step (3)
For 30g/L;Graphene oxide concentration is 0.4 ~ 2g/L.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108176404A (en) * | 2017-12-27 | 2018-06-19 | 吉林大学 | A kind of chemical nickel plating composite catalyst, preparation method and nickel chemical plating technology |
CN108624874A (en) * | 2018-04-14 | 2018-10-09 | 李艳 | One kind preventing the caducous preparation method of graphene on graphene strainer |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1740216A (en) * | 2005-09-27 | 2006-03-01 | 北京理工大学 | Polyurethane foam metallizing treatment process |
CN103436939A (en) * | 2013-08-19 | 2013-12-11 | 南京航空航天大学 | Foam metal-graphene composite material and preparation method thereof |
CN104209531A (en) * | 2013-05-31 | 2014-12-17 | 北京化工大学 | Cobalt/graphene composite nano wave-absorbing material and preparation method thereof |
CN104868134A (en) * | 2015-04-17 | 2015-08-26 | 华南理工大学 | Foam metal-carbon nanotube composite material, and preparation method and application thereof |
CN105070515A (en) * | 2015-08-19 | 2015-11-18 | 华东理工大学 | Foamed nickel composite material, and preparation method and application thereof |
CN105810960A (en) * | 2016-06-03 | 2016-07-27 | 济南大学 | Composite material taking foam nickel as matrix and preparation method of composite material |
US20160285084A1 (en) * | 2015-03-27 | 2016-09-29 | Qing Fang | Process for mass-producing silicon nanowires and silicon nanowire-graphene hybrid particulates |
-
2016
- 2016-08-19 CN CN201610486853.XA patent/CN106119816A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1740216A (en) * | 2005-09-27 | 2006-03-01 | 北京理工大学 | Polyurethane foam metallizing treatment process |
CN104209531A (en) * | 2013-05-31 | 2014-12-17 | 北京化工大学 | Cobalt/graphene composite nano wave-absorbing material and preparation method thereof |
CN103436939A (en) * | 2013-08-19 | 2013-12-11 | 南京航空航天大学 | Foam metal-graphene composite material and preparation method thereof |
US20160285084A1 (en) * | 2015-03-27 | 2016-09-29 | Qing Fang | Process for mass-producing silicon nanowires and silicon nanowire-graphene hybrid particulates |
CN104868134A (en) * | 2015-04-17 | 2015-08-26 | 华南理工大学 | Foam metal-carbon nanotube composite material, and preparation method and application thereof |
CN105070515A (en) * | 2015-08-19 | 2015-11-18 | 华东理工大学 | Foamed nickel composite material, and preparation method and application thereof |
CN105810960A (en) * | 2016-06-03 | 2016-07-27 | 济南大学 | Composite material taking foam nickel as matrix and preparation method of composite material |
Non-Patent Citations (1)
Title |
---|
于守武等: "《高分子材料改性 原理及技术》", 31 May 2015, 知识产权出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108176404A (en) * | 2017-12-27 | 2018-06-19 | 吉林大学 | A kind of chemical nickel plating composite catalyst, preparation method and nickel chemical plating technology |
CN108624874A (en) * | 2018-04-14 | 2018-10-09 | 李艳 | One kind preventing the caducous preparation method of graphene on graphene strainer |
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