CN106784699A - A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon - Google Patents

A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon Download PDF

Info

Publication number
CN106784699A
CN106784699A CN201611221274.9A CN201611221274A CN106784699A CN 106784699 A CN106784699 A CN 106784699A CN 201611221274 A CN201611221274 A CN 201611221274A CN 106784699 A CN106784699 A CN 106784699A
Authority
CN
China
Prior art keywords
honeycomb carbon
sno
composite
obtains
tin oxide
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.)
Pending
Application number
CN201611221274.9A
Other languages
Chinese (zh)
Inventor
孙晓红
李鑫
胡旭东
郑春明
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.)
Tianjin University
Original Assignee
Tianjin University
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 Tianjin University filed Critical Tianjin University
Priority to CN201611221274.9A priority Critical patent/CN106784699A/en
Publication of CN106784699A publication Critical patent/CN106784699A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/362Composites
    • H01M4/366Composites as layered products
    • 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
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/054Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624Electric conductive fillers
    • H01M4/625Carbon or graphite
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/021Physical characteristics, e.g. porosity, surface area
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The present invention relates to a kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon;Magneton stirring is lower to prepare SnCl4·5H2O solution;Take honeycomb carbon and add SnCl4·5H2O solution, and carry out ultrasonically treated;The presoma mixed liquor that will be obtained is transferred to heating response in polytetrafluoroethylene (PTFE) hydrothermal reaction kettle liner;It is washed out, dried process is made annealing treatment in argon gas atmosphere, obtains adhering on honeycomb carbon the composite of tin oxide nano particles.The material is by SnO2Nano-particle and honeycomb carbon are constituted, wherein SnO2Particle growth improves the electric conductivity of material and carries SnO in the aperture of honeycomb carbon2Volumetric expansion in electrochemical reaction process;Effectively improve SnO2As the chemical property of anode material of lithium-ion battery.

Description

A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon
Technical field
The invention belongs to inorganic nano material synthesis field.In particular it relates to by change experiment in reaction condition come The method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon.
Background technology
With the extensive application of lithium ion battery, the demand to lithium is greatly increased, but lithium resource is limited, and distribution Uneven (being mainly distributed on America area), this causes that Development of Novel energy-storage battery turns into Strategic Demand.Sodium ion and lithium ion Physicochemical properties it is similar, and sodium resource reserve is abundant, and widely distributed, cheap, it is huge that this causes that sodium-ion battery has Big potential turns into the strategy alternatives product of lithium ion battery and causes the concern of numerous researchers.
Because negative material most widely used in lithium ion battery does not possess storage sodium property, therefore to sodium-ion battery The research of negative material is particularly significant.Wherein, SnO2Negative material and its composite are because have suitable operating voltage to put down Platform, theoretical specific capacity high, low cost, it is pollution-free the advantages of cause extensive research.But due to transition metal oxide certainly Body has poor electric conductivity so that SnO2It is infeasible directly as anode material of lithium-ion battery., Guoxiu in 2013 Wang etc. reports SnO first2@MWCNT composites can be used as anode material of lithium-ion battery.By with multi-walled carbon nano-tubes It is combined, is substantially increased the electric conductivity of material, and is made SnO2It is provided with good storage sodium property.But, due to closing The reason for aurification is reacted, SnO2There is huge volumetric expansion (about 400%) in it there is electrochemical reaction process so that living Property material occur efflorescence and to come off, cause battery performance to decline.SnO2With the compound electricity that can effectively improve battery of carbon material Chemical property, but for now, do not there is SnO2With the report of honeycomb carbon composite.We are closed by new preparation method Adhere to the composite of tin oxide nano particles on into new honeycomb carbon, the material effectively improves SnO2As sodium The chemical property of ion battery cathode material.
The content of the invention
The present invention has been synthesized using the method that hydro-thermal method and annealing are combined and adhere to stannic oxide nanometer on honeycomb carbon The composite of particle, wherein SnO2On nano-particle and honeycomb carbon are combined closely, the presence of honeycomb carbon effectively carries SnO2 Volumetric expansion and increased the electric conductivity of material, substantially increase the chemical property of material.
The present invention is provided a kind of method being combined using hydro-thermal method and annealing and adhere to dioxy on honeycomb carbon to synthesize The method for changing the composite of tin nanoparticles.Experiment is also synthesized by changing pre-reaction material concentration and adhere to two on honeycomb carbon The composite of tin oxide nanoparticles.
Technical scheme is as follows:
A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon;Comprise the following steps that:
1) the lower SnCl for preparing 0.25-1.00mol/L of magnetons stirring4·5H2O solution;
2) takes honeycomb carbon and adds step 1) SnCl that obtains4·5H2O solution so that the concentration of honeycomb carbon is 5-7.5g/L, And carry out ultrasonically treated;
3) is by step 2) the presoma mixed liquor that obtains is transferred in polytetrafluoroethylene (PTFE) hydrothermal reaction kettle liner, and use After stainless steel cauldron sealing, 170-190 DEG C is heated to, is incubated 12-36h;
4) after reactions terminate, normal temperature is cooled at room temperature, takes out reactant, washed using deionized water and ethanol respectively, Treatment is dried, desciccate is obtained.
5) is by step 4) desciccate that obtains made annealing treatment in argon gas atmosphere, obtains adhering to two on honeycomb carbon The composite of tin oxide nanoparticles.
The step 2) in the aperture prioritizing selection aperture size of honeycomb carbon be less than 5 μm.
The step 4) preferably drying condition be to dry 8-12h at 60-80 DEG C.
The step 4) wash preferred 3-5 times with deionized water and ethanol.
The step 5) annealing condition is preferably:In argon gas atmosphere, heating rate is 5-10 DEG C/min, in 600- 120-200min is incubated at 650 DEG C, room temperature is then naturally cooled to.
It is described to be with magneton stirring optimum condition:1-20r/s.
Adhere to dioxy on the method synthesis honeycomb carbon being combined the invention provides a kind of use hydro-thermal method and annealing The method for changing the composite of tin nanoparticles.Specifically, by ultrasonic mixing honeycomb carbon and Sn4+Salt, in Hydrothermal Synthesiss process In, the pore structure of honeycomb carbon is SnO2Nucleation provides active position, SnO2Nucleating growth is carried out at the honeycomb carbon pores footpath, from And effectively improve the electric conductivity of material and carry SnO well2Volumetric expansion.
Effect of the invention is:The method being combined by hydro-thermal method and annealing, have been synthesized and adhere to two on honeycomb carbon The composite of tin oxide nanoparticles.The material is by SnO2Nano-particle and honeycomb carbon are constituted, wherein SnO2Particle growth In the aperture of honeycomb carbon, improve the electric conductivity of material and carry SnO2Volumetric expansion in electrochemical reaction process; Effectively improve SnO2As the chemical property of anode material of lithium-ion battery.
Brief description of the drawings
Fig. 1 is the X-ray diffraction of the composite for adhering to tin oxide nano particles on honeycomb carbon prepared by embodiment 1 Figure, as seen from the figure, the X-ray diffractogram and SnO of products therefrom2The peak position of standard PDF cards (41-1445) fits like a glove, and says The bright SnO for having synthesized pure phase2
Adhere to the SEM figures of the composite of tin oxide nano particles, such as Fig. 2 on honeycomb carbon prepared by Fig. 2 embodiments 2 Shown in (a), the uniform pore diameter of honeycomb carbon in order, as shown in Fig. 2 (b), the aperture size of honeycomb carbon at 1-5 μm, such as Fig. 2 (c) institutes Show, product is by honeycomb carbon and SnO2Nano particle is constituted, shown in such as Fig. 2 (d), SnO2Nanoparticle size be distributed in 10-20nm it Between.SnO2Nano particle is grown on honeycomb carbon securely, and this can improve the electric conductivity of material and carry SnO2In discharge and recharge Volumetric expansion in journey, so as to improve the chemical property of material.
Fig. 3 is to adhere to the composite of tin oxide nano particles on honeycomb carbon prepared by embodiment 3 as negative pole group The electrochemical cycle stability performance map tested after battery is dressed up, as can be seen from Fig., battery is carried out under 50mA/g current densities After constant current charge-discharge 10 is enclosed (first lap activation is disregarded), the specific capacity of battery does not almost decay, and the storehouse of discharge and recharge weekly Human relations efficiency is close to 100%.Adhere to the composite of tin oxide nano particles as sodium-ion battery on this explanation honeycomb carbon Negative material has good chemical property.
Specific embodiment
The method of the embodiment of the present invention, is described by preferred embodiment, and person skilled substantially can be not Depart from and methods and techniques described herein route is modified or reconfigured in present invention, spirit and scope, come real Now final technology of preparing.In particular, all similar replacements and change for a person skilled in the art It is it will be apparent that they are considered as being included in spirit of the invention, scope and content.
1) prepares the SnCl of 0.25-1.00mol/L4·5H2O solution, during with magneton stirring (1-20r/s), obtain To SnCl4·5H2O solution;
2) takes aperture size and is added to step 1 less than 5 μm of honeycomb carbon) SnCl that obtains4·5H2In O solution so that honeybee The concentration of nest carbon is 5-7.5g/L, and is carried out ultrasonically treated;
3) be transferred to above-mentioned presoma mixed liquor in polytetrafluoroethylene (PTFE) hydrothermal reaction kettle liner by, and anti-using stainless steel After answering kettle to seal, 170-190 DEG C is heated to, is incubated 12-36h;
4) after reactions terminate, normal temperature is cooled at room temperature, takes out reactant, washed using deionized water and ethanol respectively 3-5 times, treatment is dried, obtains desciccate.
5) is by step 4) desciccate that obtains made annealing treatment;In argon gas atmosphere, heating rate be 5-10 DEG C/ Min, is incubated 120-200min at 600-650 DEG C, then naturally cools to room temperature, obtains adhering to titanium dioxide sijna on honeycomb carbon The composite of rice grain.
Embodiment 1:
1) is by the SnCl of 0.025mol4·5H2O is added in 100mL deionized waters, and magneton is uniformly mixed;
2) takes 0.4g aperture sizes and is added to step 1 less than 5 μm of honeycomb carbon) the 80mL SnCl that obtain4·5H2O solution In, and carry out ultrasonically treated;
3) takes the precursor solution that appropriate step 2 obtains and is transferred to the polytetrafluoroethylene (PTFE) hydrothermal reaction kettle that capacity is 100mL In liner, stainless steel cauldron sealing is heated using baking oven, is heated to 170 DEG C, is incubated 36h;
4) after reactions terminate, normal temperature is cooled at room temperature, takes out reactant, wash 3 using deionized water and ethanol respectively Secondary, 60 DEG C dry 12h, obtain desciccate;
5) step 4 is obtained desciccate and is made annealing treatment under an argon atmosphere by, and heating rate is set to 5 DEG C/min, Room temperature is naturally cooled to after being incubated 200min at 600 DEG C, obtains adhering on honeycomb carbon the composite of tin oxide nano particles.
As shown in Figure 1, the X-ray diffractogram and SnO of products therefrom2The peak position of standard PDF cards (41-1445) is kissed completely Close, illustrate to have synthesized the SnO of pure phase2.This method for showing to be combined by hydro-thermal method and annealing successfully synthesizes honeycomb Adhere to the composite of tin oxide nano particles on carbon.
Embodiment 2:
1) is by the SnCl of 0.05mol4·5H2O is added in 100mL deionized waters, and magneton is uniformly mixed;
2) takes 0.5g aperture sizes and is added to step 1 less than 5 μm of honeycomb carbon) the 80mL SnCl that obtain4·5H2O solution In, and carry out ultrasonically treated;
3) takes the precursor solution that appropriate step 2 obtains and is transferred to the polytetrafluoroethylene (PTFE) hydrothermal reaction kettle that capacity is 100mL In liner, stainless steel cauldron sealing is heated using baking oven, is heated to 180 DEG C, is incubated 24h;
4) after reactions terminate, normal temperature is cooled at room temperature, takes out reactant, wash 4 using deionized water and ethanol respectively Secondary, 70 DEG C dry 10h, obtain desciccate;
5) step 4 is obtained desciccate and is made annealing treatment under an argon atmosphere by, and heating rate is set to 8 DEG C/min, Room temperature is naturally cooled to after being incubated 160min at 625 DEG C, obtains adhering on honeycomb carbon the composite of tin oxide nano particles.
As shown in Fig. 2 (a), in order, such as shown in Fig. 2 (b), the aperture size of honeycomb carbon is in 1-5 μ for the uniform pore diameter of honeycomb carbon Shown in m, such as Fig. 2 (c), product is by honeycomb carbon and SnO2Nano particle is constituted, shown in such as Fig. 2 (d), SnO2Nanoparticle size point Cloth is between 10-20nm.Honeycomb carbon and SnO2The successful combination of nano particle, will greatly improve the electric conductivity of material, honeycomb carbon Hole can also effectively carry SnO2Volumetric expansion, so as to substantially improve SnO2As the electricity of anode material of lithium-ion battery Chemical property.
Embodiment 3:
1) is by the SnCl of 0.1mol4·5H2O is added in 100mL deionized waters, and magneton is uniformly mixed;
2) takes 0.6g aperture sizes and is added to step 1 less than 5 μm of honeycomb carbon) the 80mL SnCl that obtain4·5H2O solution In, and carry out ultrasonically treated;
3) takes the precursor solution that appropriate step 2 obtains and is transferred to the polytetrafluoroethylene (PTFE) hydrothermal reaction kettle that capacity is 100mL In liner, stainless steel cauldron sealing is heated using baking oven, is heated to 190 DEG C, is incubated 12h;
4) after reactions terminate, normal temperature is cooled at room temperature, takes out reactant, wash 5 using deionized water and ethanol respectively Secondary, 80 DEG C dry 8h, obtain desciccate;
5) step 4 is obtained desciccate and is made annealing treatment under an argon atmosphere by, and heating rate is set to 10 DEG C/min, Room temperature is naturally cooled to after being incubated 120min at 650 DEG C, obtains adhering on honeycomb carbon the composite wood of tin oxide nano particles Material.
As shown in figure 3, the composite for adhering to tin oxide nano particles on honeycomb carbon has good chemical property, Its first week specific discharge capacity can be up to 559.5mAh g-1, after circulating 10 weeks, its specific capacity remains to stabilization in 110.4mAh g-1, illustrate that the presence of honeycomb carbon effectively improves SnO2As the chemical property of anode material of lithium-ion battery.
To sum up the accompanying drawing of embodiment can clearly be found out, by the present invention in that the side being combined with hydro-thermal method and annealing Adhere to the composite of tin oxide nano particles on method synthesis honeycomb carbon, the material is by SnO2Nano-particle and honeycomb carbon group Into wherein SnO2Nano-particle is equably grown in the hole of honeycomb carbon, and honeycomb carbon improves the electric conductivity of material and effectively holds SnO is carried2Volumetric expansion in electrochemical reaction process.When the material is as sodium-ion battery negative pole, with preferable electricity Chemical stability.

Claims (6)

1. it is a kind of prepare on honeycomb carbon adhere to tin oxide nano particles composite method;It is characterized in that specific steps are such as Under:
1) the lower SnCl for preparing 0.25-1.00mol/L of magnetons stirring4·5H2O solution;
2) takes honeycomb carbon and adds step 1) SnCl that obtains4·5H2O solution so that the concentration of honeycomb carbon is 5-7.5g/L, is gone forward side by side Row is ultrasonically treated;
3) is by step 2) the presoma mixed liquor that obtains is transferred in polytetrafluoroethylene (PTFE) hydrothermal reaction kettle liner, and using stainless After the sealing of steel reactor, 170-190 DEG C is heated to, is incubated 12-36h;
4) after reactions terminate, normal temperature is cooled at room temperature, takes out reactant, washed using deionized water and ethanol respectively, carry out Dried process, obtains desciccate.
5) is by step 4) desciccate that obtains made annealing treatment in argon gas atmosphere, obtains SnO2/ honeycomb carbon composite.
2. the method for claim 1, it is characterized in that the step 2) in the aperture size of honeycomb carbon be less than 5 μm.
3. the method for claim 1, it is characterized in that the step 4) drying condition is to dry 8-12h at 60-80 DEG C.
4. the method for claim 1, it is characterized in that the step 4) washed 3-5 times with deionized water and ethanol.
5. the method for claim 1, it is characterized in that the step 5) annealing condition is:In argon gas atmosphere, rise Warm speed is 5-10 DEG C/min, and 120-200min is incubated at 600-650 DEG C, then naturally cools to room temperature.
6. the method for claim 1, it is characterized in that described be with magneton stirring optimum condition:1-20r/s.
CN201611221274.9A 2016-12-26 2016-12-26 A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon Pending CN106784699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611221274.9A CN106784699A (en) 2016-12-26 2016-12-26 A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611221274.9A CN106784699A (en) 2016-12-26 2016-12-26 A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon

Publications (1)

Publication Number Publication Date
CN106784699A true CN106784699A (en) 2017-05-31

Family

ID=58926477

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611221274.9A Pending CN106784699A (en) 2016-12-26 2016-12-26 A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon

Country Status (1)

Country Link
CN (1) CN106784699A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107516732A (en) * 2017-08-08 2017-12-26 南陵县生产力促进中心 A kind of SnO&MoS as Anode of lithium cell2The preparation method of composite
CN108493403A (en) * 2018-05-17 2018-09-04 中山大学 A kind of synthetic method of self-supporting sodium-ion battery cathode
CN114068895A (en) * 2021-10-28 2022-02-18 华南理工大学 Lignin-based graphene porous carbon nanosheet tin dioxide composite material and preparation and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104157876A (en) * 2014-08-14 2014-11-19 上海交通大学 Preparation method of porous carbon-tin nanocomposite material for lithium battery cathode
CN106058184A (en) * 2016-07-08 2016-10-26 天津大学 Method for preparing tin dioxide/porous carbon sphere composite material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104157876A (en) * 2014-08-14 2014-11-19 上海交通大学 Preparation method of porous carbon-tin nanocomposite material for lithium battery cathode
CN106058184A (en) * 2016-07-08 2016-10-26 天津大学 Method for preparing tin dioxide/porous carbon sphere composite material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
母仕佳: "氧化石墨结构及SnO2/石墨烯复合材料电化学性能研究", 《中国优秀硕士学位论文全文数据库(电子期刊) 工程科技Ⅰ辑》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107516732A (en) * 2017-08-08 2017-12-26 南陵县生产力促进中心 A kind of SnO&MoS as Anode of lithium cell2The preparation method of composite
CN107516732B (en) * 2017-08-08 2020-08-11 南陵县生产力促进中心 Preparation method of SnO & MoS2 composite material used as lithium battery anode
CN108493403A (en) * 2018-05-17 2018-09-04 中山大学 A kind of synthetic method of self-supporting sodium-ion battery cathode
CN108493403B (en) * 2018-05-17 2020-10-27 中山大学 Synthesis method of self-supporting sodium ion battery cathode
CN114068895A (en) * 2021-10-28 2022-02-18 华南理工大学 Lignin-based graphene porous carbon nanosheet tin dioxide composite material and preparation and application thereof
CN114068895B (en) * 2021-10-28 2023-01-06 华南理工大学 Lignin-based graphene porous carbon nanosheet tin dioxide composite material and preparation and application thereof

Similar Documents

Publication Publication Date Title
CN106532014A (en) Method for preparing composite material that stannic oxide nano-particles attach to graphene oxide
Zhang et al. Porous cake-like TiO2 derived from metal-organic frameworks as superior anode material for sodium ion batteries
CN105280897B (en) A kind of preparation method of lithium ion battery negative material C/ZnO/Cu composites
CN106654221A (en) Three-dimensional porous carbon-coated zinc selenide material for lithium ion battery anodes and preparation method of material
CN105762360A (en) Graphene-silicon-coated composite negative electrode material and preparing method and application thereof
CN108091841B (en) A method of preparing porous carbon load tin dioxide composite material
CN109686951A (en) A kind of S@NPC/CNT composite material and preparation method and application
CN105140494B (en) A kind of Fe3O4The biomimetic synthesis method of the nano combined battery electrode materials of/Fe/C
CN106206059A (en) NiCo2s4the preparation method and application of/graphite felt combination electrode material
CN106602047A (en) Preparation method for carbon and lithium titanate compound material
CN107579219A (en) For graphene/zinc oxide negative material of secondary zinc base battery and its preparation
CN104787799B (en) Web-type three-dimensional perforated macroporous-mesoporous-structure titanium dioxide material, and preparation method and application thereof
CN106058184A (en) Method for preparing tin dioxide/porous carbon sphere composite material
CN108987729A (en) A kind of lithium sulfur battery anode material and preparation method thereof and lithium-sulfur cell
CN106784699A (en) A kind of method for preparing the composite for adhering to tin oxide nano particles on honeycomb carbon
CN109319757A (en) The method for preparing hollow open onion carbon lithium ion cell negative electrode material
CN105870411A (en) Preparation method of negative electrode active material for lithium-ion battery
CN105810910B (en) A kind of Na2‑2xFe1+xP2O7/ carbon composite and its preparation method and application
Yu et al. Tuning the interface interaction between Nb2O5 nanosheets/graphene for high current rate and long cyclic lithium-ion batteries
CN103708552A (en) Preparation method for positive electrode material of ball-flower-shaped lithium ion battery
CN109786769A (en) A kind of carbon supported noble metal oxide bifunctional catalyst and its preparation method and application
CN103570067B (en) With the method for evaporative crystallization legal system for copper vanadium oxygen nano structural material
CN106848280B (en) A kind of preparation method of the hollow octahedra anode material for lithium-ion batteries of graphene-supported di iron
CN107935047A (en) A kind of control synthetic method of different-shape and the nano-manganese dioxide of size
CN107331835B (en) One-step solvothermal method for synthesizing three-dimensional graphene-coated cobalt carbonate quantum dot composite electrode material and method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170531