CN107017392A - A kind of preparation method of sodium-ion battery metal sulfide/graphene - Google Patents

A kind of preparation method of sodium-ion battery metal sulfide/graphene Download PDF

Info

Publication number
CN107017392A
CN107017392A CN201710305997.5A CN201710305997A CN107017392A CN 107017392 A CN107017392 A CN 107017392A CN 201710305997 A CN201710305997 A CN 201710305997A CN 107017392 A CN107017392 A CN 107017392A
Authority
CN
China
Prior art keywords
preparation
methylimidazoles
ion battery
atmosphere
sodium
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
CN201710305997.5A
Other languages
Chinese (zh)
Inventor
颜洋
潘珍珍
崔楠
谢进仓
牟文生
郝晓凤
刘莉
李子晨
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.)
Dalian University of Technology
Original Assignee
Dalian University of 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 Dalian University of Technology filed Critical Dalian University of Technology
Priority to CN201710305997.5A priority Critical patent/CN107017392A/en
Publication of CN107017392A publication Critical patent/CN107017392A/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
    • 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
    • H01M4/58Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/581Chalcogenides or intercalation compounds thereof
    • H01M4/5815Sulfides
    • 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
    • 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 invention discloses a kind of preparation method of sodium-ion battery metal sulfide/graphene; graphite oxide is added in ionic liquid; ultrasonic disperse, obtains GO dispersion liquids, and source metal is added in GO dispersion liquids; stirring mixing; sulphur source is added, ion thermal response is carried out, obtained material is washed after drying; calcined in tube furnace under inert atmosphere protection, obtain metal sulfide/graphene composite material.The method that the present invention is provided is simple, solvent and structure directing agent are used as using ionic liquid, prepare metal sulfide/graphene composite material with high conductivity and satisfactory texture stability, and apply it in sodium-ion battery, higher capacity is obtained, the design preparation for sodium ion battery electrode material has great importance.

Description

A kind of preparation method of sodium-ion battery metal sulfide/graphene
Technical field
The present invention relates to a kind of preparation method of sodium-ion battery metal sulfide/graphene, technique is simple, and green is without dirt Dye, degree of being practical is high, and obtained sulfide/graphene can be directly as anode material of lithium-ion battery.
Background technology
Lithium rechargeable battery is as one of energy storage device in portable type electronic product, electric tool and electric automobile field Developed rapidly, social fast development also make it that people are increasing to the demand of lithium ion battery, therefore also to lithium The performance requirement more and more higher of ion battery, should ensure good security and cyclical stability, meet touched in big rule again Using when especially in high current charge-discharge with good high rate performance.But the distribution of lithium resource on earth and inequality It is even, and the price of lithium rises, and raises lithium ion battery cost.And the sodium and lithium for being in same main group with lithium have phase As physicochemical property, and sodium aboundresources is widely distributed, and price is than relatively low, and therefore, the cost of material of sodium-ion battery is far low In the material of lithium ion battery.In summary, exploitation sodium-ion battery is to non-as the potential additional project of lithium ion battery Chang Heli and great feasibility, thus receive the extensive concern of people.
Metal sulfide (Sb2S3, Bi2S3, SnS etc.) as anode material of lithium-ion battery when, converted before this with sodium Reaction, generates metal simple-substance, and then occurs alloying reaction, therefore can shift more electronics, with higher theory Specific capacity, and with the invertibity higher relative to oxide, therefore research sulfide has certain meaning.However, should When class material is as anode material of lithium-ion battery, on the one hand with relatively low electric conductivity, on the other hand, it is in charge and discharge process Middle Volume Changes are larger, and structure is easily destroyed, and causes cycle performance poor.For this problem, people have done some to it Research, research is found, metal sulfide and carbon material are combined, the high conductivity and loose structure of carbon material, Ke Yihuan is utilized Solve some problems present in this kind of material.
Ion thermal synthesis method refers to replace conventional water or organic solvent work with ionic liquid (including eutectic mixture) For the material synthesis method of reaction medium.Ionic liquid by organic cation and anion constitute room temperature or it is near at room temperature For the salt of liquid, with non-volatile, free of contamination characteristic, therefore it is referred to as green solvent.Yin Qigao heat, chemical stability, The advantages of structure designability, is gradually paid close attention in material preparation by people.Due to alternative ionic liquid species and Number is various, therefore using different types of ionic liquid is possible to synthesize the material of different structure.With to ionic liquid The continuous development of the research of body, prepares material as solvent and has also obtained more research, and show unique advantage.
The content of the invention
The purpose of the present invention be for sulfide as some problems present in anode material of lithium-ion battery there is provided A kind of preparation method of metal sulfide/graphene composite material, the present invention prepares metal by simple ion thermal method Sulfide/graphene composite material, and anode material of lithium-ion battery is applied it to, fully combine the Fabrication of High Specific Capacitance of sulfide Amount, the high conductivity of graphene, high-specific surface area prepare capacity height, the high composite of coulombic efficiency.
Technical scheme:
A kind of preparation method of sodium-ion battery metal sulfide/graphene, step is as follows:
Graphite oxide is scattered in ionic liquid, ultrasonic disperse, obtains GO dispersion liquids, source metal is added into GO disperses In liquid, continue ultrasound and obtain precursor liquid.Sulphur source is added in precursor liquid, the solution is heated, the reaction time is 8-20h, is washed Wash and calcined after drying in tube furnace under inert atmosphere protection, obtain metal sulfide/graphene composite material.
Described graphite oxide is prepared by amended Hummers, and the concentration of GO dispersion liquids is 1mgml-1~ 12mg·ml-1
Described ionic liquid is 1- butyl -3- methylimidazolium hydrogen sulphate salt (BMIMHSO4), 1- pi-allyl -3- methyl miaows Azoles disulfate (AMIMHSO4), 1- ethyl-3-methylimidazole disulfates (EMIMHSO4), 1- propyl group -3- methylimidazole sulfuric acid Hydrogen salt (PMIMHSO4), 1- butyl -3- methylimidazole dihydric phosphates (BMIMH2PO4), 1- pi-allyl -3- methylimidazole phosphoric acid Dihydric salt (AMIM H2PO4), 1- ethyl-3-methylimidazole dihydric phosphates (EMIMH2PO4), 1- propyl group -3- methylimidazole phosphorus Acid dihydride salt (PMIMH2PO4), 1- butyl -3- methylimidazole bisulfites (BMIMHSO3), 1- pi-allyl -3- methylimidazoles Bisulfites (AMIMHSO3), 1- ethyl-3-methylimidazole bisulfites (EMIMHSO3), 1- propyl group -3- methylimidazoles it is sub- Disulfate (PMIMHSO3), 1- butyl -3- methyl imidazolium tetrafluoroborates (BMIMBF4), 1- pi-allyl -3- methylimidazoles four Borofluoride (AMIMBF4), 1- ethyl-3-methylimidazole tetrafluoroborates (EMIMBF4), 1- propyl group -3- methylimidazole tetrafluoro boron Hydrochlorate (PMIMBF4) one or both of it is mixed above;It is preferred that 1- butyl -3- methylimidazole dihydric phosphates (BMIMH2PO4) With 1- pi-allyl -3- methylimidazole dihydric phosphates (AMIMH2PO4)。
Described source metal is SbCl3、BiCl3、SnCl2·2H2O、SnCl4·5H2O、Na2MoO4·2H2O.、CoCl2· 6H2O、Zn(Ac)2·2H2O、FeCl3·6H2O、Ni(NO3)2·6H2O、(CH3COO)2Cu·H2O、ZnCl2、(CH3COO)2Cd·2H2The mass ratio of O, source metal and graphite oxide is 4:1~10:1.
Described sulphur source is thioacetamide, thiocarbamide, Na2S, sulphur powder, Cys, L-cysteine hydrochloride, Na2S2O3
Described ultrasonic disperse ultrasonic cleaner, Parameter Conditions are:20-40 DEG C, ultrasonic 1-4h.
Described heating-up temperature is 150-220 DEG C, and the reaction time is 8-20h.
Described inert atmosphere is N2Atmosphere or Ar atmosphere.
Described calcining heat is 350-550 DEG C, and the time is 3-6h.
The preparation method has prepared metal sulfide/graphene composite material using ionic liquid as solvent, and by its Applied to sodium-ion battery negative pole.
Beneficial effects of the present invention:This method is using ionic liquid as solvent, while as template and structure directing agent, The compound firm, product of metal sulfide/graphene composite material of preparation is uniform, and is used as anode material of lithium-ion battery Capacity is high.This method is simple, and raw material is easy to get, environmental protection.Design for sodium ion battery electrode material is prepared with important Meaning.
Brief description of the drawings
Fig. 1 is Sb prepared by embodiment 12S3The SEM figures of/graphene composite material.Sb as seen from the figure2S3Equably It is dispersed in graphene, and does not lump.
Fig. 2 is Sb prepared by embodiment 12S3The XRD of/graphene composite material.As can be seen that using ionic liquid to be molten Agent, what is obtained is the Sb of crystal structure2S3
Fig. 3 is Sb prepared by embodiment 12S3/ graphene composite material is 50mAg in current density-1Under it is preceding twice Charging and discharging curve figure.
Fig. 4 is Sb prepared by embodiment 12S3The high rate performance figure of/graphene composite material.
Embodiment
Below in conjunction with accompanying drawing and technical scheme, the embodiment of the present invention is further illustrated.
Embodiment 1:
40mg graphene oxides are added to 5ml BMIMH2PO4In, ultrasound 3h, obtains the ion of graphite oxide at 30 DEG C Liquid dispersion, adds 0.25gSbCl3, ultrasonic 2h treats SbCl3It is scattered in after graphite oxide dispersion, adds 0.2g thio Acetamide, 12h is reacted at 180 DEG C, after washing is dried, presoma is obtained, by the presoma 500 DEG C of burnings under an argon atmosphere 3h, obtains Sb2S3/ graphene composite material.
Embodiment 2:
40mg graphene oxides are added to 5ml BMIMH2PO4In, ultrasound 3h, the ionic liquid aoxidized at 30 DEG C Dispersion liquid, adds 0.25gBiCl3, ultrasonic 2h treats BiCl3It is scattered in after graphite oxide dispersion, adds 0.2g thioacetyls Amine, 12h is reacted at 180 DEG C, after washing is dried, presoma is obtained, and the presoma 550 DEG C of burning 3h under an argon atmosphere are obtained To Sb2S3/ graphene composite material.
Embodiment 3:
50mg graphene oxides are added to 5ml BMIMHSO4In, ultrasound 3h, obtains the ion of graphite oxide at 30 DEG C Liquid dispersion, adds 0.25gSbCl3, ultrasonic 2h treats SbCl3It is scattered in after graphite oxide dispersion, adds 0.2g thiocarbamides, 12h is reacted at 180 DEG C, after washing is dried, presoma is obtained, the presoma is burnt into 3h for 500 DEG C under an argon atmosphere, obtained Sb2S3/ graphene composite material.
Embodiment 4:
50mg graphene oxides are added to 5ml BMIMH2PO4In, ultrasound 3h, obtains the ion of graphite oxide at 30 DEG C Liquid dispersion, adds 0.25gSnCl2·2H2O, ultrasonic 2h, treats SnCl2·2H2O is scattered in after graphite oxide dispersion, then Add and 20h is reacted at 0.1g thioacetamides, 180 DEG C, after washing is dried, presoma is obtained, by the presoma in argon gas gas The lower 500 DEG C of burnings 3h of atmosphere, obtains SnS/ graphene composite materials.

Claims (10)

1. a kind of preparation method of sodium-ion battery metal sulfide/graphene, it is characterised in that step is as follows:Stone will be aoxidized Ink is scattered in ionic liquid, ultrasonic disperse, obtains GO dispersion liquids;Source metal is added in GO dispersion liquids, continues ultrasound, obtains To precursor liquid;Sulphur source is added in precursor liquid, 150-220 DEG C of temperature conditionss lower reaction time is 8-20h, after washing is dried, Calcined in tube furnace under inert atmosphere protection, calcining heat is 350-550 DEG C, and the time is 3-6h, obtain sodium-ion battery gold Belong to sulfide/graphene;
Wherein, the concentration of GO dispersion liquids is 1mgml-1~12mgml-1
The mass ratio of source metal and graphite oxide is 4:1~10:1.
2. preparation method according to claim 1, it is characterised in that the ionic liquid is 1- butyl -3- methylimidazoles Disulfate, 1- pi-allyl -3- methylimidazolium hydrogen sulphates salt, 1- ethyl-3-methylimidazoles disulfate, 1- propyl group -3- methyl Imidazole bisulfate, 1- butyl -3- methylimidazoles dihydric phosphate, 1- pi-allyl -3- methylimidazoles dihydric phosphate, 1- second Base -3- methylimidazoles dihydric phosphate, 1- propyl group -3- methylimidazoles dihydric phosphate, 1- butyl -3- methylimidazole bisulfites Salt, 1- pi-allyl -3- methylimidazoles bisulfites, 1- ethyl-3-methylimidazoles bisulfites, 1- propyl group -3- methyl miaows Azoles bisulfites, 1- butyl -3- methyl imidazolium tetrafluoroborates, 1- pi-allyl -3- methyl imidazolium tetrafluoroborates, 1- second One or both of base -3- methyl imidazolium tetrafluoroborates, 1- propyl group -3- methyl imidazolium tetrafluoroborates are mixed above.
3. preparation method according to claim 1 or 2, it is characterised in that described source metal is SbCl3、BiCl3、 SnCl2·2H2O、SnCl4·5H2O、Na2MoO4·2H2O、CoCl2·6H2O、Zn(Ac)2·2H2O、FeCl3·6H2O、Ni (NO3)2·6H2O、(CH3COO)2Cu·H2O、ZnCl2、(CH3COO)2Cd·2H2One or both of O is mixed above.
4. preparation method according to claim 1 or 2, it is characterised in that described sulphur source be thioacetamide, thiocarbamide, Na2S, sulphur powder, Cys, L-cysteine hydrochloride or Na2S2O3
5. preparation method according to claim 3, it is characterised in that described sulphur source is thioacetamide, thiocarbamide, Na2S、 Sulphur powder, Cys, L-cysteine hydrochloride or Na2S2O3
6. the preparation method according to claim 1,2 or 5, it is characterised in that described inert atmosphere is N2Atmosphere or Ar gas Atmosphere.
7. preparation method according to claim 3, it is characterised in that described inert atmosphere is N2Atmosphere or Ar atmosphere.
8. preparation method according to claim 4, it is characterised in that described inert atmosphere is N2Atmosphere or Ar atmosphere.
9. the preparation method according to claim 1,2,5,7 or 8, it is characterised in that described ultrasonic disperse is at 20-40 DEG C Ultrasound 1-4h under temperature conditionss;Described graphite oxide is prepared by amended Hummers.
10. preparation method according to claim 6, it is characterised in that described ultrasonic disperse is in 20-40 DEG C of temperature conditionss Lower ultrasonic 1-4h;Described graphite oxide is prepared by amended Hummers.
CN201710305997.5A 2017-05-04 2017-05-04 A kind of preparation method of sodium-ion battery metal sulfide/graphene Pending CN107017392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710305997.5A CN107017392A (en) 2017-05-04 2017-05-04 A kind of preparation method of sodium-ion battery metal sulfide/graphene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710305997.5A CN107017392A (en) 2017-05-04 2017-05-04 A kind of preparation method of sodium-ion battery metal sulfide/graphene

Publications (1)

Publication Number Publication Date
CN107017392A true CN107017392A (en) 2017-08-04

Family

ID=59450090

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710305997.5A Pending CN107017392A (en) 2017-05-04 2017-05-04 A kind of preparation method of sodium-ion battery metal sulfide/graphene

Country Status (1)

Country Link
CN (1) CN107017392A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109659544A (en) * 2018-12-24 2019-04-19 肇庆市华师大光电产业研究院 A kind of lithium/anode material of lithium-ion battery preparation method of graphene coated bimetallic sulfide
CN111704138A (en) * 2020-06-03 2020-09-25 大连理工大学 Preparation method of two-dimensional nanocomposite material self-assembled layer by layer
CN111916707A (en) * 2020-08-12 2020-11-10 陕西师范大学 Preparation method and application of graphene @ molybdenum diselenide @ SnS heterogeneous interface composite material
CN112289978A (en) * 2020-06-03 2021-01-29 大连理工大学 Composite lithium metal negative electrode and preparation method thereof
CN113346058A (en) * 2021-05-21 2021-09-03 大连理工大学 Method for preparing bimetallic sulfide and carbon compound under ionic gel system
CN113346058B (en) * 2021-05-21 2024-05-17 大连理工大学 Method for preparing bimetallic sulfide and carbon composite under ion gel system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104091954A (en) * 2014-07-17 2014-10-08 浙江大学 Multi-edge WS2/graphene electrochemical sodium storage composite electrode and preparation method thereof
CN104124435A (en) * 2014-07-17 2014-10-29 浙江大学 Multi-edge MoS2 nanosheet/graphene electrochemical sodium storage composite electrode and preparation method
CN104843682A (en) * 2015-04-07 2015-08-19 大连理工大学 Preparation method and application of reduced graphene oxide
CN105161691A (en) * 2015-10-10 2015-12-16 岭南师范学院 Preparation method of less-layer MoS2/phosphorus-doped graphene electrochemical sodium-storage combined electrode

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104091954A (en) * 2014-07-17 2014-10-08 浙江大学 Multi-edge WS2/graphene electrochemical sodium storage composite electrode and preparation method thereof
CN104124435A (en) * 2014-07-17 2014-10-29 浙江大学 Multi-edge MoS2 nanosheet/graphene electrochemical sodium storage composite electrode and preparation method
CN104843682A (en) * 2015-04-07 2015-08-19 大连理工大学 Preparation method and application of reduced graphene oxide
CN105161691A (en) * 2015-10-10 2015-12-16 岭南师范学院 Preparation method of less-layer MoS2/phosphorus-doped graphene electrochemical sodium-storage combined electrode

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109659544A (en) * 2018-12-24 2019-04-19 肇庆市华师大光电产业研究院 A kind of lithium/anode material of lithium-ion battery preparation method of graphene coated bimetallic sulfide
CN109659544B (en) * 2018-12-24 2021-03-16 肇庆市华师大光电产业研究院 Preparation method of graphene-coated bimetallic sulfide lithium/sodium ion battery negative electrode material
CN111704138A (en) * 2020-06-03 2020-09-25 大连理工大学 Preparation method of two-dimensional nanocomposite material self-assembled layer by layer
CN112289978A (en) * 2020-06-03 2021-01-29 大连理工大学 Composite lithium metal negative electrode and preparation method thereof
CN112289978B (en) * 2020-06-03 2022-04-08 大连理工大学 Composite lithium metal negative electrode and preparation method thereof
CN111916707A (en) * 2020-08-12 2020-11-10 陕西师范大学 Preparation method and application of graphene @ molybdenum diselenide @ SnS heterogeneous interface composite material
CN111916707B (en) * 2020-08-12 2021-07-16 陕西师范大学 Preparation method and application of graphene @ molybdenum diselenide @ SnS heterogeneous interface composite material
CN113346058A (en) * 2021-05-21 2021-09-03 大连理工大学 Method for preparing bimetallic sulfide and carbon compound under ionic gel system
CN113346058B (en) * 2021-05-21 2024-05-17 大连理工大学 Method for preparing bimetallic sulfide and carbon composite under ion gel system

Similar Documents

Publication Publication Date Title
Song et al. Re-synthesis of nano-structured LiFePO4/graphene composite derived from spent lithium-ion battery for booming electric vehicle application
Zhou et al. Highly stable rGO-wrapped Ni3S2 nanobowls: Structure fabrication and superior long-life electrochemical performance in LIBs
Li et al. Metal chalcogenides with heterostructures for high‐performance rechargeable batteries
Han et al. Creating graphene-like carbon layers on SiO anodes via a layer-by-layer strategy for lithium-ion battery
Gershinsky et al. Electrochemical and spectroscopic analysis of Mg2+ intercalation into thin film electrodes of layered oxides: V2O5 and MoO3
Fu et al. In situ-formed Li2S in lithiated graphite electrodes for lithium–sulfur batteries
CN104835654B (en) A kind of three-dimensional nitrogen-doped graphene/molybendum disulfide complexes and preparation method thereof
CN105742602B (en) A kind of sodium-ion battery cathode Sn/MoS2/ C composite and preparation method thereof
CN103441241B (en) A kind of preparation method and application of prussian blue complex/carbon composite material
CN107017392A (en) A kind of preparation method of sodium-ion battery metal sulfide/graphene
Zeng et al. Application of a sulfur cathode in nucleophilic electrolytes for magnesium/sulfur batteries
CN104993134B (en) Preparation method of lithium ion battery copper nitrate composite negative electrode material
Shang et al. A selective reduction approach to construct robust Cu1. 81S truss structures for high-performance sodium storage
CN105720251A (en) Antimony sulfide based composite material of sodium-ion battery and preparation method of antimony sulfide based composite material
CN104600293A (en) Antimony sulfide negative electrode material with micro-nano structure for sodium-ion battery and preparation method of antimony sulfide negative electrode material
Qiu et al. NiCo2Se4 as an anode material for sodium-ion batteries
Fei et al. Dual-function regeneration of waste lithium cobalt oxide for stable high voltage cycle performance
CN106505183A (en) Carbonitride-sulphur composite and its preparation method and application
CN107195877A (en) A kind of sodium-ion battery graphene/Sb2S3The preparation method of/carbon composite
Zhang et al. TiO 2–MoS 2 hybrid nano composites with 3D network architecture as binder-free flexible electrodes for lithium ion batteries
CN105609769A (en) Preparation method for multi-level structured molybdenum disulfide microsphere negative electrode material of lithium battery
CN107381660A (en) Sb, Mn codope cobaltosic oxide nano flower-like microsphere preparation method
Sottmann et al. Playing with the redox potentials in ludwigite oxyborates: Fe3BO5 and Cu2MBO5 (M= Fe, Mn, and Cr)
Suo et al. In situ assembly of 2D cobalt sulfide on stainless steel mesh as a binder-free anode for sodium ion batteries
Huang et al. Layer-stacked Sb@ graphene micro/nanocomposite with decent Na-storage, full-cell and low-temperature performances

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20170804

RJ01 Rejection of invention patent application after publication