CN103043729B - Cobalt molybdate-graphene nano compound and preparation method thereof - Google Patents

Cobalt molybdate-graphene nano compound and preparation method thereof Download PDF

Info

Publication number
CN103043729B
CN103043729B CN201210592317.XA CN201210592317A CN103043729B CN 103043729 B CN103043729 B CN 103043729B CN 201210592317 A CN201210592317 A CN 201210592317A CN 103043729 B CN103043729 B CN 103043729B
Authority
CN
China
Prior art keywords
cobalt
molybdate
graphene
cobalt molybdate
graphene nanocomposite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201210592317.XA
Other languages
Chinese (zh)
Other versions
CN103043729A (en
Inventor
郝青丽
董中天
汪信
夏锡锋
王文娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Science and Technology
Original Assignee
Nanjing University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN201210592317.XA priority Critical patent/CN103043729B/en
Publication of CN103043729A publication Critical patent/CN103043729A/en
Application granted granted Critical
Publication of CN103043729B publication Critical patent/CN103043729B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Inorganic Compounds Of Heavy Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention discloses a cobalt molybdate-graphene nano compound and a preparation method thereof. The method comprises steps of putting the oxidation graphite into water and ultrasonic dispersing; putting the cobalt salt into the system, stirring and dissolving; later putting the ammonium molybdate into the system and adjusting the pH; then transferring the mixture system into a water heating kettle to perform reaction; and when the reaction is ended, the product passes through separation, washing and dryness, and the cobalt molybdate-graphene nano compound is gained. The material is provided with broad application prospects in the field of energy and other electronic device fields.

Description

Cobalt molybdate-graphene nanometer composite and preparation method thereof
Technical field
The invention belongs to Nano-composite materials field, specifically relate to and a kind ofly take Graphene as propping material, and in the preparation method of finely dispersed cobalt molybdate nano particle, particularly cobalt molybdate-graphene nanometer composite of its surface deposition.This material has broad application prospects in the energy, sensing and other field of electronic devices.
Background technology
As the important member-cobalt molybdate of molybdate, because it has good chemical property, excellent stability, has started to be applied to the fields such as ultracapacitor, lithium ion battery.Up to the present, cobalt molybdate is also rarely had to report for the research of super capacitor.The methods such as the vertical strong people of grade of wheat first passage " self-assembly-orientation overlaps " cobalt molybdate of growing in manganese molybdate nanometer rod, and obtain cobalt molybdate (Mai LiQiang, the Yang Fan of nano-scale, Zhao YunLong, Xu Xu, Xu Lin, Luo YanZhu, S Hierarchical MnMoO 4/ CoMoO 4heterostructured nanowires with enhanced supercapacitor performance, Nature communications 2 (2011) 381).The method obtains the high area/volume ratio that material has, and is applied to electrical condenser, has obtained the electrode materials of the super capacitor of excellent performance.Graphene is SP 2the two-dimension graphite sheet existing with an atomic thickness that hydridization carbon atom forms according to honeycomb arrangement.Because its excellent electroconductibility (its electric transmission speed is than the fast decades of times of silicon), large specific surface area, thermal conductivity and mechanicalness etc. attract wide attention rapidly.Particularly, due to excellent conductivity and large specific surface area, Graphene is widely used in the research of ultracapacitor aspect.Both are compound to together, give full play to both advantages, thereby obtain the material of chemical property excellence, therefore prepare Graphene/cobalt molybdate matrix material very important, this material will be of great immediate significance and using value in ultracapacitor, lithium ion battery equal energy source field and other field of electronic devices.
Summary of the invention
The object of the present invention is to provide a kind of cobalt molybdate-graphene nanometer composite, and synthesis technique is simple, lower-cost hydrothermal method is prepared the preparation method of cobalt molybdate-graphene nanocomposite material.
The technical solution that realizes the object of the invention is: a kind of cobalt molybdate-graphene nanometer composite, massfraction 5 ~ 50 wt% of Graphene in described mixture.
A preparation method for cobalt molybdate-graphene nanometer composite, comprises the following steps:
The first step, by graphite oxide ultrasonic graphene oxide solution that disperses to obtain in water;
Second step, adds cobalt salt stirring and dissolving in the solution of the first step;
The 3rd step, joins molybdate in the mixed solution of second step, and stirs, and regulates pH value;
The 4th step, is transferred to the mixing solutions of the 3rd step in water heating kettle and reacts;
The 5th step, obtains cobalt molybdate-graphene nanometer composite by the 4th step product filtering separation and after washing, being dried.
Ultrasonic time described in step 1 is 60-120min, and described graphite oxide adopts Hummer legal system standby.
Cobalt salt described in step 2 is Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES, Cobaltous diacetate, cobalt chloride or rose vitriol, and described churning time is 30-90min.
Molybdate described in step 3 is ammonium paramolybdate, and the mol ratio of described molybdate and cobalt salt is 1:7, and churning time is 30-90min, described pH=6-11.
Temperature of reaction described in step 4 is 140-200 ℃, and the described reaction times is 6-16h.
Massfraction 5 ~ 50 wt% of Graphene in cobalt molybdate-graphene nanocomposite material described in step 5.
Compared with prior art, its advantage is in the present invention: (1) adopts Graphene is propping material, at the finely dispersed cobalt molybdate nano particle of its surface deposition, provides larger surface-area; (2) by hydro-thermal reaction, graphite oxide is reduced into Graphene, has avoided using other reductive agents, environmentally safe; (3) cobalt molybdate-Graphene of preparing of application the present invention, combines the characteristic of Graphene and cobalt molybdate, can be at ultracapacitor, lithium ion battery equal energy source material, and there are good application prospect and economic benefit in the field such as environment, life science.
Accompanying drawing explanation
Accompanying drawing 1 is route schematic diagram prepared by cobalt molybdate-graphene nanometer composite of the present invention.
Accompanying drawing 2 is TEM photos (a-embodiment 1, b-embodiment 2, c-embodiment 3, d-embodiment 4, e-embodiment 5) of example 1-5 gained cobalt molybdate-graphene nanocomposite material of the present invention.
Accompanying drawing 3 is example 3 gained cobalt molybdate-Graphenes of the present invention (27 wt%) nano-complex (G/CoMoO 4-1) with pure CoMoO 4cyclic voltammetric (a), alternating-current impedance (b), 0.5A/g constant current charge-discharge (c) and specific storage and sweep fast graph of a relation (d).
Embodiment
By reference to the accompanying drawings 1, cobalt molybdate-Graphene (5 ~ 50 wt%) nano-complex, by following steps, prepare and obtain:
The first step, by ultrasonic minute 60 ~ 120min during graphite oxide is in water, obtains graphene oxide solution;
Second step, adds Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES stirring and dissolving in the solution of the first step, churning time 30 ~ 90min;
The 3rd step, joins ammonium paramolybdate (mol ratio of paramolybdate and cobalt salt is 1:7) in the mixed solution of second step, and stirs 30 ~ 90min, regulates pH(6-11) value;
The 4th step, is transferred to the mixing solutions of the 3rd step in water heating kettle and reacts, and temperature of reaction is 140 ~ 200 ℃, reaction times 6 ~ 16h;
The 5th step, obtains cobalt molybdate-Graphene (5 ~ 50 wt%) nano-complex by the 4th step product filtering separation and after washing, being dried.
embodiment 1:the preparation method of cobalt molybdate-Graphene of the present invention (50 wt%) nano-complex, comprises the following steps:
The first step, adopts Hummer legal system for graphite oxide.10 g Graphite Powder 99s are joined to the Potassium Persulphate (5 g) of 80 ℃, in the concentrated sulfuric acid solution (15mL) of Vanadium Pentoxide in FLAKES (5g), preoxidation 6 hours, cool to room temperature, filters afterwards, and washing is to neutral.The Graphite Powder 99 of preoxidation (10 g) is joined in the 230 mL concentrated sulfuric acid solutions of 0 ℃, the careful potassium permanganate that adds 30g afterwards, afterwards in 35 ℃ of reaction 2h, in the most backward reaction solution, add 30% the hydrogen peroxide of 1L deionized water and 25mL to make reaction terminating, filter, washing, dialysis, makes graphite oxide; The graphite oxide of 80 mg is placed in to the ultrasonic dispersion of 80mL water 120min;
Second step, adds 0.366mmol Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES stirring and dissolving in the solution of the first step, stirs 50min;
The 3rd step, joins 0.052mmol ammonium paramolybdate in the mixed solution of second step, and stirs 90min, regulates pH=11 value;
The 4th step, is transferred to the mixing solutions of the 3rd step in water heating kettle and reacts, and temperature of reaction is 160 ℃, reaction times 12h;
The 5th step, obtains cobalt molybdate-Graphene (50 wt%) nano-complex by the 4th step product filtering separation and after washing, being dried.Its TEM photo is as Fig. 2 a.
embodiment 2:the preparation method of cobalt molybdate-Graphene of the present invention (42 wt%) nano-complex, comprises the following steps:
The first step, graphite oxide is prepared with embodiment 1, and the graphite oxide of 80 mg is placed in to the ultrasonic dispersion of 80mL water 60min;
Second step, adds 0.5mmol Cobaltous diacetate stirring and dissolving in the solution of the first step, stirs 90min;
The 3rd step, joins 0.071mmol ammonium paramolybdate in the mixed solution of second step, and stirs 30min, regulates pH=7 value;
The 4th step, is transferred to the mixing solutions of the 3rd step in water heating kettle and reacts, and temperature of reaction is 140 ℃, reaction times 16h;
The 5th step, obtains cobalt molybdate-Graphene (42 wt%) nano-complex by the 4th step product filtering separation and after washing, being dried.Its TEM photo is as Fig. 2 b.
embodiment 3:the preparation method of cobalt molybdate-Graphene of the present invention (27 wt%) nano-complex, comprises the following steps:
The first step, graphite oxide is prepared with embodiment 1, and the graphite oxide of 80 mg is placed in to the ultrasonic dispersion of 80mL water 90min;
Second step, adds 1mmol Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES stirring and dissolving in the solution of the first step, stirs 40min;
The 3rd step, joins 0.142mmol ammonium paramolybdate in the mixed solution of second step, and stirs 60min, regulates pH=7 value;
The 4th step, is transferred to the mixing solutions of the 3rd step in water heating kettle and reacts, and temperature of reaction is 180 ℃, reaction times 12h;
The 5th step, obtains cobalt molybdate-Graphene (27 wt%) nano-complex by the 4th step product filtering separation and after washing, being dried.Its TEM photo is as Fig. 2 c.
Gained matrix material is labeled as G/CoMoO 4-1, as electrode materials, under same test condition, the performance (accompanying drawing 3-c) of its electrochemistry cyclic voltammetric (accompanying drawing 3-a), alternating-current impedance (accompanying drawing 3-b), constant current charge-discharge and pure CoMoO 4compare, have higher ratio electric capacity, less internal resistance, longer discharge performance; The relation of its specific storage and scanning speed is as shown in accompanying drawing 3-d.
embodiment 4:the preparation method of cobalt molybdate-Graphene of the present invention (8 wt%) nano-complex, comprises the following steps:
The first step, graphite oxide is prepared with embodiment 1, and the graphite oxide of 80 mg is placed in to the ultrasonic dispersion of 80mL water 90min;
Second step, adds 4.203mmol rose vitriol stirring and dissolving in the solution of the first step, stirs 90min;
The 3rd step, joins 0.6mmol ammonium paramolybdate in the mixed solution of second step, and stirs 70min, regulates pH=9 value;
The 4th step, is transferred to the mixing solutions of the 3rd step in water heating kettle and reacts, and temperature of reaction is 160 ℃, reaction times 14h;
The 5th step, obtains cobalt molybdate-Graphene (8 wt%) nano-complex by the 4th step product filtering separation and after washing, being dried.Its TEM photo is as Fig. 2 d.
embodiment 5:the preparation method of cobalt molybdate-Graphene of the present invention (5 wt%) nano-complex, comprises the following steps:
The first step, graphite oxide is prepared with embodiment 1, and the graphite oxide of 80 mg is placed in to the ultrasonic dispersion of 80mL water 100min;
Second step, adds 6.945mmol cobalt chloride stirring and dissolving in the solution of the first step, stirs 30min;
The 3rd step, joins 0.992mmol ammonium paramolybdate in the mixed solution of second step, and stirs 90min, regulates pH(pH=6) value;
The 4th step, is transferred to the mixing solutions of the 3rd step in water heating kettle and reacts, and temperature of reaction is 200 ℃, reaction times 6h;
The 5th step, obtains cobalt molybdate-Graphene (5 wt%) nano-complex by the 4th step product filtering separation and after washing, being dried.Its TEM photo is as Fig. 2 d.

Claims (8)

1.一种钼酸钴-石墨烯纳米复合物，其特征在于所述的复合物中石墨烯的质量分数5~50 wt%，所述复合物按以下步骤制备： 1. a cobalt molybdate-graphene nanocomposite is characterized in that the massfraction 5～50 wt% of graphene in the described compound, and the described compound is prepared according to the following steps: 第1步，将采用Hummer法制备的氧化石墨在水中超声分散得氧化石墨烯溶液； In the first step, the graphite oxide prepared by the Hummer method is ultrasonically dispersed in water to obtain a graphene oxide solution; 第2步，将钴盐加入第1步的溶液中搅拌溶解，其中，钴盐为硝酸钴、醋酸钴、氯化钴或硫酸钴； In the second step, the cobalt salt is added into the solution of the first step and stirred and dissolved, wherein the cobalt salt is cobalt nitrate, cobalt acetate, cobalt chloride or cobalt sulfate; 第3步，将钼酸盐加入到第2步的混合液中，并搅拌，调节pH值至6-11，其中，钼酸盐为仲钼酸铵，钼酸盐和钴盐的摩尔比为1:7； In the 3rd step, molybdate is added in the mixed solution of the 2nd step, and stir, adjust pH value to 6-11, wherein, molybdate is ammonium paramolybdate, and the mol ratio of molybdate and cobalt salt is 1:7; 第4步，将第3步的混合溶液转移至水热釜中于140-200℃下反应6-16h； Step 4, transfer the mixed solution in step 3 to a hydrothermal kettle and react at 140-200°C for 6-16h; 第5步，将第4步产物过滤分离并洗涤、干燥后获得钼酸钴-石墨烯纳米复合物。 In step 5, the product in step 4 is separated by filtration, washed, and dried to obtain a cobalt molybdate-graphene nanocomposite. 2.根据权利要求1所述钼酸钴-石墨烯纳米复合物，其特征在于步骤1中所述的超声时间为60-120min。 2. according to the described cobalt molybdate-graphene nanocomposite of claim 1, it is characterized in that the ultrasonic time described in step 1 is 60-120min. 3.根据权利要求1所述钼酸钴-石墨烯纳米复合物，其特征在于步骤2中所述的搅拌时间为30-90min。 3. according to the described cobalt molybdate-graphene nanocomposite of claim 1, it is characterized in that the stirring time described in step 2 is 30-90min. 4.根据权利要求1所述钼酸钴-石墨烯纳米复合物，其特征在于步骤3中所述的搅拌时间为30-90min。 4. according to the described cobalt molybdate-graphene nanocomposite of claim 1, it is characterized in that the stirring time described in step 3 is 30-90min. 5.一种钼酸钴-石墨烯纳米复合物的制备方法，其特征在于所述方法包括以下步骤： 5. a preparation method of cobalt molybdate-graphene nanocomposite, is characterized in that described method comprises the following steps: 第一步，将采用Hummer法制备的氧化石墨在水中超声分散得氧化石墨烯溶液； In the first step, the graphite oxide prepared by the Hummer method is ultrasonically dispersed in water to obtain a graphene oxide solution; 第二步，将钴盐加入第一步的溶液中搅拌溶解，其中，钴盐为硝酸钴、醋酸钴、氯化钴或硫酸钴； In the second step, the cobalt salt is added into the solution of the first step and stirred and dissolved, wherein the cobalt salt is cobalt nitrate, cobalt acetate, cobalt chloride or cobalt sulfate; 第三步，将钼酸盐加入到第二步的混合液中，并搅拌，调节pH值为6-11，其中，钼酸盐为仲钼酸铵，钼酸盐和钴盐的摩尔比为1:7； In the third step, molybdate is added to the mixed solution of the second step, and stirred, the pH value is adjusted to 6-11, wherein the molybdate is ammonium paramolybdate, and the molar ratio of molybdate and cobalt salt is 1:7; 第四步，将第三步的混合溶液转移至水热釜中于140-200℃下反应6-16h； The fourth step is to transfer the mixed solution of the third step to a hydrothermal kettle and react at 140-200°C for 6-16h; 第五步，将第四步产物过滤分离并洗涤、干燥后获得钼酸钴-石墨烯纳米复合物。 In the fifth step, the product of the fourth step is separated by filtration, washed, and dried to obtain a cobalt molybdate-graphene nanocomposite. 6.根据权利要求5所述的钼酸钴-石墨烯纳米复合物的制备方法，其特征在于步骤一中所述的超声时间为60-120min。 6. The preparation method of cobalt molybdate-graphene nanocomposite according to claim 5, characterized in that the ultrasonic time described in step 1 is 60-120min. 7.根据权利要求5所述的钼酸钴-石墨烯纳米复合物的制备方法，其特征在于步骤二中所述的搅拌时间为30-90min；步骤三中所述的搅拌时间为30-90min。 7. the preparation method of cobalt molybdate-graphene nanocomposite according to claim 5 is characterized in that the stirring time described in step 2 is 30-90min; The stirring time described in step 3 is 30-90min . 8.根据权利要求5所述的钼酸钴-石墨烯纳米复合物的制备方法，其特征在于步骤五中所述的钼酸钴-石墨烯纳米复合材料中石墨烯的质量分数5~50 wt%。 8. the preparation method of cobalt molybdate-graphene nanocomposite according to claim 5 is characterized in that the massfraction 5～50wt of graphene in the cobalt molybdate-graphene nanocomposite material described in step 5 %.
CN201210592317.XA 2012-12-29 2012-12-29 Cobalt molybdate-graphene nano compound and preparation method thereof Active CN103043729B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210592317.XA CN103043729B (en) 2012-12-29 2012-12-29 Cobalt molybdate-graphene nano compound and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210592317.XA CN103043729B (en) 2012-12-29 2012-12-29 Cobalt molybdate-graphene nano compound and preparation method thereof

Publications (2)

Publication Number Publication Date
CN103043729A CN103043729A (en) 2013-04-17
CN103043729B true CN103043729B (en) 2014-09-03

Family

ID=48056621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210592317.XA Active CN103043729B (en) 2012-12-29 2012-12-29 Cobalt molybdate-graphene nano compound and preparation method thereof

Country Status (1)

Country Link
CN (1) CN103043729B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103539210B (en) * 2013-10-30 2015-10-28 渤海大学 A kind of preparation method of cobalt molybdate crystallite
CN103811189B (en) * 2014-02-12 2016-08-17 东华大学 A kind of cobalt molybdate and the preparation method of graphene nanocomposite material
CN103779105B (en) * 2014-02-12 2017-01-04 东华大学 A kind of nickel molybdate and the preparation method of graphene nanocomposite material
CN104001498B (en) * 2014-06-06 2016-06-08 河南师范大学 The preparation method of a kind of zinc molybdate/Graphene composite visible light catalyst
CN105047430B (en) * 2015-07-15 2017-11-07 哈尔滨工业大学 A kind of preparation method of the miniature storage device of the portable clean energy
CN105118683B (en) * 2015-08-05 2017-10-24 南京信息工程大学 A kind of preparation method of cobalt molybdate composite manganese dioxide electrode material
CN106824198B (en) * 2017-03-10 2019-06-21 中国科学技术大学 Cobalt-based oxygen-generating catalyst and preparation method thereof, and an alkaline hydrogen-producing electrolytic cell
CN107519887A (en) * 2017-09-24 2017-12-29 柳州若思纳米材料科技有限公司 A kind of preparation method of cobalt molybdate photochemical catalyst
CN108063258B (en) * 2017-12-26 2020-02-18 成都新柯力化工科技有限公司 Preparation method of binder for improving cycle stability of lithium battery silicon electrode
CN108336335B (en) * 2018-02-05 2020-07-07 福州大学 A kind of cobalt molybdate/molybdenum disulfide composite material used as negative electrode material of lithium ion battery and its preparation
CN108400319B (en) * 2018-02-09 2021-02-05 厦门大学 A kind of preparation method of nanostructure cobalt molybdate electrode material
CN110544588A (en) * 2019-08-22 2019-12-06 上海第二工业大学 A kind of cobalt molybdate/nitrogen functionalized graphene nanocomposite material and preparation method thereof
CN111422855B (en) * 2019-12-31 2021-08-27 北京理工大学 Foam graphene-based metal azide compound and preparation method thereof
CN112875756B (en) * 2021-02-19 2022-09-06 苏州科技大学 Manganese molybdate nanoflower/graphene three-dimensional structure and high-specific-volume supercapacitor performance improvement method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527387A (en) * 2011-12-26 2012-07-04 南京理工大学 Copper ferrite-graphene nano complex and preparation method thereof
CN102580739A (en) * 2012-03-06 2012-07-18 江苏大学 Graphene/silver molybdenum oxide compound visible-light catalyst and preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101144588B1 (en) * 2010-04-16 2012-05-08 성균관대학교산학협력단 Organic electronic device with flexible transparent conductor including graphene sheet and manufacturing method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527387A (en) * 2011-12-26 2012-07-04 南京理工大学 Copper ferrite-graphene nano complex and preparation method thereof
CN102580739A (en) * 2012-03-06 2012-07-18 江苏大学 Graphene/silver molybdenum oxide compound visible-light catalyst and preparation method thereof

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
"General Synthesis and Phase Control of Metal Molybdate Hydrates MMoO4 · nH2O (M ) Co, Ni, Mn, n ) 0, 3/4, 1) Nano/Microcrystals by a Hydrothermal Approach: Magnetic, Photocatalytic, and Electrochemical Properties";Yi Ding et al.;《Inorganic Chemistry》;20080806;第47卷(第17期);第7813-7823页 *
"One-step synthesis of CoMoO4/graphene composites with enhanced electrochemical properties for supercapacitors";Xifeng Xia et al.;《electrochimica acta》;20130331;第99卷;第253-261页 *
"Supercapacitive carbon nanotube-cobalt molybdate nanocomposites prepared via solvent-free microwave synthesis";Zhanwei Xu et al.;《RSC Advances》;20120116;第2卷;第2753-2755页，ESI第1-7页 *
Xifeng Xia et al.."One-step synthesis of CoMoO4/graphene composites with enhanced electrochemical properties for supercapacitors".《electrochimica acta》.2013,第99卷第253-261页.
Yi Ding et al.."General Synthesis and Phase Control of Metal Molybdate Hydrates MMoO4 · nH2O (M ) Co, Ni, Mn, n ) 0, 3/4, 1) Nano/Microcrystals by a Hydrothermal Approach: Magnetic, Photocatalytic, and Electrochemical Properties".《Inorganic Chemistry》.2008,第47卷(第17期),第7813-7823页.
Zhanwei Xu et al.."Supercapacitive carbon nanotube-cobalt molybdate nanocomposites prepared via solvent-free microwave synthesis".《RSC Advances》.2012,第2卷第2753-2755页，ESI第1-7页.
苏育志等."氧化石墨的合成及其结构研究".《广州师范学院（自然科学版）》.2000,第21卷(第3期),第55-59页.
苏育志等."氧化石墨的合成及其结构研究".《广州师范学院(自然科学版)》.2000,第21卷(第3期),第55-59页. *

Also Published As

Publication number Publication date
CN103043729A (en) 2013-04-17

Similar Documents

Publication Publication Date Title
CN103043729B (en) Cobalt molybdate-graphene nano compound and preparation method thereof
CN102184781B (en) Nano-nickel oxide/graphene composite material and preparation method thereof
CN102765715B (en) Graphene-loaded lamellar cupric oxide composite material and hydro-thermal synthesis method thereof
CN103390509B (en) A kind of electrode material for super capacitor and preparation method thereof
CN103682302B (en) The method of the nano-electrode material of atomization drying synchronized compound porous graphene parcel
CN103950992B (en) The method of the transition metal oxide nano-slice of graphenic surface growing upright
CN103864010B (en) A nitrogen-doped graphene/cobalt ferrite nanocomposite material and its preparation
CN104119529B (en) The preparation method of the polyaniline/graphene composite material of nano tubular structure
CN103579638B (en) Air electrode catalyst of lithium-air battery and preparation method thereof
CN103044915A (en) Preparation method of polyaniline/graphene/nano nickel composite material
CN104299798B (en) A kind of boron atom doping vario-property grapheme material, preparation method and application
CN105355874A (en) Nitrogen-doped porous carbon ball/manganic manganous oxide nanometer composite electrode material and preparation method thereof
CN103788646B (en) Nitrogen-doped graphene/cobalt ferrite/polyaniline nano-composite material and preparation method thereof
CN103489660A (en) Manganese dioxide nanorod/graphene composite electrode material and preparation method thereof
CN102709057A (en) Method for preparing composite of grapheme with different oxidation degrees and manganese dioxide
CN103022457B (en) High-performance nano granular vanadium pentoxide lithium ion battery cathode material and preparation method thereof
CN104176783B (en) The preparations and applicatio method of the coated manganese dioxide nanowire of a kind of nitrogen carbon material
Huang et al. Facial preparation of N-doped carbon foam supporting Co3O4 nanorod arrays as free-standing lithium-ion batteries’ anode
CN103832996A (en) Graphene/carbon nano-tube composite material, preparation method and application thereof
CN104658771B (en) A kind of preparation method and application of sea urchin shape vanadium base nano-electrode material
CN106252090B (en) A kind of high fold grapheme material and preparation method thereof
CN105355884A (en) High-specific-capacity lithium ion battery electrode material and preparation method thereof
CN103832997A (en) Graphene/carbon black composite material, preparation method and application thereof
CN103833011A (en) Graphene/carbon black composite material, preparation method and application thereof
CN103972496A (en) Hydrothermal Coupling Spray Pyrolysis Co3O4/Graphene Electrode Material Preparation Method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Hao Qingli

Inventor after: Dong Zhongtian

Inventor after: Wang Xin

Inventor after: Xia Xifeng

Inventor after: Wang Wenjuan

Inventor before: Hao Qingli

Inventor before: Lei Wu

Inventor before: Wang Xin

Inventor before: Xia Xifeng

Inventor before: Wang Wenjuan

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: HAO QINGLI LEI WU WANG XIN XIA XIFENG WANG WENJUAN TO: HAO QINGLI DONG ZHONGTIAN WANG XIN XIA XIFENG WANG WENJUAN

C14 Grant of patent or utility model
GR01 Patent grant