CN108821351A - A kind of preparation method of the porous high entropy oxide material of spinel-type - Google Patents

A kind of preparation method of the porous high entropy oxide material of spinel-type Download PDF

Info

Publication number
CN108821351A
CN108821351A CN201810833184.8A CN201810833184A CN108821351A CN 108821351 A CN108821351 A CN 108821351A CN 201810833184 A CN201810833184 A CN 201810833184A CN 108821351 A CN108821351 A CN 108821351A
Authority
CN
China
Prior art keywords
spinel
high entropy
preparation
type
entropy 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.)
Granted
Application number
CN201810833184.8A
Other languages
Chinese (zh)
Other versions
CN108821351B (en
Inventor
冒爱琴
项厚政
林娜
俞海云
郑翠红
闫勇
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.)
Anhui University of Technology AHUT
Original Assignee
Anhui University of Technology AHUT
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 Anhui University of Technology AHUT filed Critical Anhui University of Technology AHUT
Priority to CN201810833184.8A priority Critical patent/CN108821351B/en
Publication of CN108821351A publication Critical patent/CN108821351A/en
Application granted granted Critical
Publication of CN108821351B publication Critical patent/CN108821351B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/30—Three-dimensional structures
    • C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Organic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The invention discloses a kind of preparation methods of the porous high entropy oxide material of spinel-type, belong to inorganic oxide powder Material Field.This method is low-temperature combustion synthesis, specifically：Use metal nitrate for source metal, the mixture of one or more of citric acid, ethylenediamine tetra-acetic acid, hexamethylene tetramine and glucose is fuel, regulates and controls the high entropy oxide (CoCrFeMnNi) of spinel-type transition metal by controlling concentration, the type of fuel and additional amount, the type of combustion adjuvant and additional amount and the sparking mode of metal salt raw material3O4The characteristics such as the granularity of nano-powder and pattern.This preparation method uses liquid phase ingredient, it is ensured that raw material reaches molecular level mixing, and product realizes stoichiometric ratio；Simultaneously energy saving, high production efficiency, it is environmentally protective, without complicated post-processing the advantages that.High entropy oxide powder purity is high, even particle size distribution prepared by the present invention.

Description

A kind of preparation method of the porous high entropy oxide material of spinel-type
Technical field
The invention belongs to inorganic oxide powder Material Field, in particular to a kind of high entropy oxygen of lithium ion battery negative material The preparation method of compound material specially has spinel-type porous (CoCrFeMnNi)3O4The preparation side of high entropy oxide material Method.
Background technique
Lithium ion battery is moved because it has many advantages, such as that light-weight, small in size, energy density is high, cycle performance is good The extensive pro-gaze in the fields such as the portable electronic products such as mobile phone, laptop and new-energy automobile.Lithium ion battery is negative Pole material plays important function in terms of the capacity and cycle performance for improving battery, and performance directly affects lithium ion battery Performance.Commercial lithium ion battery negative material is generally graphite-like carbon negative pole material at present, but its theoretical specific capacity is only For 372mAhg-1And it is unfavorable for battery and relevant apparatus and develops to miniaturization, while the intercalation potential of graphite-based cathode is close The current potential of lithium metal is unfavorable for the safety of battery.It is above-mentioned that there are problems strictly to limit the development of the following lithium ion battery.Therefore Developing, there is the lithium ion battery negative material of higher capacity to be particularly important.
In recent years, transition metal oxide had received extensive concern as lithium ion battery negative material.It is Chinese special Application No. is 201410276284.7 to disclose a kind of transition metal oxide M for benefitxOy(M Fe, one of Mn and Cr or several Kind) lithium ion battery negative material.Binary lithium ion battery negative material is developed on this basis, if Liu Lei is with hydro-thermal Synthetic method is prepared for NiFe2O4、ZnFe2O4、CoxFe3-xO4、CoxMn3-xO4And wait two with spinel structure of binary series Powder negative electrode material (the knot of Liu Lei lithium ion battery transition metal oxide negative electrode material of first oxide as lithium ion battery Structure design and Electrochemical Properties Chinese Academy of Sciences University Ph.D. Dissertation, 2015.).Chinese Patent Application No. is at present 201711421445.7 proposing to be prepared for using the laser molecular beam epitaxy precipitation method for lithium ion battery negative material (MgCoNiCuZn) O high entropy oxide film material.
High entropy oxide material is a kind of new ceramic material to grow up on the basis of high-entropy alloy, beauty in 2015 The Christina M.Rost of state is put forward for the first time on the basis of high-entropy alloy.2018Deng being prepared for having for the first time There is (CoCrFeMnNi) of spinel structure2O3High entropy oxide block materials, this method is by five kinds of oxides of equimolar ratio NiO、MnO、Co3O4、Fe2O3And Cr2O3In vibrating mill mixing 25min；Then uniformly mixed raw material are pressed into 9 × The cylindrical body of 1.5mm；Followed by hot isostatic pressing technique, 20h is calcined at 200MPa, 1050 DEG C；Finally utilize cooling aluminium Corresponding high entropy oxide block materials (J. is made in rapid cooling to plate in airM.Stygar, A. A.Knapik, K.Mroczka, W.Tejchman, M.Danielewski, M.Martin, Synthesis and microstructure of the(CoCrFeMnNi)3O4high entropy oxide characterized by spinel Structure, Materials Letters, 216 (2018) 32-36.).The method use vibrating mill mixing, although the time compared with It is short, can be to avoid the introducing of impurity, but be inevitable there are the non-uniform phenomenon of raw material mixing, so that use heat The block materials of isostatic pressing method preparation have the defects that institutional framework is inhomogenous.Therefore there is the high entropy oxidate powder of single solid solution phase The successful preparation of body material is the prerequisite for obtaining institutional framework uniform block body ceramic material and coating material.Germany A.Sarkar etc. is prepared for nanocrystalline multicomponent entropy stabilization transition metal oxide (CoCuMgNiZn) O powder using pyrolysis spray-on process Body material (A.Sarkar, R.Djenadic, N.J.Usharani, K.P.Sanghvi, V.S.K.Chakravadhanula, A.S.Gandhi, H.Hahn, S.S.Bhattacharya, Nanocrystalline multicomponent entropy Stabilised transition metal oxides, Journal of the European Ceramic Society, 37 (2017) 747-754.), which equally exists the disadvantages of preparation process is complicated, and energy consumption is high.
In recent years, SHS process (Self-propagating High-temperature Synthesis, letter It is written as SHS) low-temperature combustion synthesis (Low-temperature Combustion has been developed in conjunction with wet chemistry method Synthesis is abbreviated as LCS).On the one hand the method uses liquid phase ingredient, it is ensured that raw material reaches molecular level mixing, and product is realized Stoichiometric ratio；On the other hand after lower temperature (200-500 DEG C) ignites, using own combustion heat release make to react it is spontaneous into Row, conbustion synthesis speed is fast, so that the product of preparation has the characteristics that dispersion degree is high, chemical uniformity is good and partial size is thin.At present Not yet retrieve that prepare spinel-type using low-temperature burning porous (CoCrFeMnNi)3O4The correlation of high entropy oxide powder material Report.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the prior art, such as mechanical alloying method and pyrolysis spray-on process preparation High entropy oxide powder material the deficiencies in the prior art, provide a kind of energy saving, high production efficiency, it is environmentally protective, without multiple It is porous (CoCrFeMnNi) that miscellaneous post-processing can be prepared by the spinel-type that with high purity, granularity is tiny and is evenly distributed3O4High entropy oxygen The preparation method of compound powder body material.
Spinel-type provided by the invention is porous (CoCrFeMnNi)3O4The preparation method of high entropy oxide material is specific to wrap Include following steps：
(1) nitrate for weighing Co, Cr, Fe, Mn and Ni of equimolar amounts, is dissolved in a certain amount of distilled water or ethyl alcohol is water-soluble It in liquid, stirs evenly, obtains the mixed solution containing metal salt.Wherein in ethanol water volume fraction of ethanol be 15~ 85%.The concentration of the metal salt is 1~2mol/L.
(2) mixture of a certain amount of fuel or fuel and combustion adjuvant is weighed in above-mentioned mixed solution, is stirred evenly simultaneously The pH that appropriate ammonium hydroxide adjusts mixed solution is added, obtains transparent colloidal sol；Wherein：The pH range of the solution is adjusted to 6~8, The molar ratio of the fuel and nitrate metal ion is 1~3: 1.In the mixture of the fuel and combustion adjuvant：Combustion adjuvant institute Accounting for mass ratio is 1.5~3%.
(3) mixing for above-mentioned vitreosol being placed in water or second alcohol and water in heating evaporation colloidal sol in water-bath or oil bath is molten Agent obtains loose, foam-like gel, and temperature when evaporating solvent is 80~200 DEG C.
(4) this gel is placed in 300~500 DEG C of Muffle furnace, or is placed directly in micro-wave oven, low-temperature burning reaction occurs Obtain required nanoscale, porous (CoCrFeMnNi) with rock-salt type structure3O4High entropy oxide powder material.Wherein exist The reaction time is 15~30min in Muffle furnace；Microwave input power is 600~700W, and the reaction time is 4~10min.
The fuel is one or more of citric acid, ethylenediamine tetra-acetic acid, hexamethylene tetramine and glucose Mixing.
The combustion adjuvant is one or both of ammonium acetate and ammonium nitrate.
The spinel-type that above-mentioned preparation method obtains is porous (CoCrFeMnNi)3O4High entropy oxide material can lithium from It is applied in sub- cell negative electrode material.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) liquid phase ingredient is used, it is ensured that raw material reaches molecular level mixing, and product realizes stoichiometric ratio；
(2) low-temperature combustion synthesis is used, is ignited in lower temperature, main reaction moment completes, and low energy consumption, production cost It is low；
(3) reaction process is environmentally protective, and product is without complicated last handling process；
(4) it production die tiny (40nm~130nm) and is evenly distributed.
Detailed description of the invention
Fig. 1 is made from embodiment 1 (CoCrFeMnNi)3O4The XRD diagram piece of high entropy oxide powder.
Fig. 2 is made from embodiment 1 (CoCrFeMnNi)3O4The SEM picture of high entropy oxide powder.
Fig. 3 is made from embodiment 2 (CoCrFeMnNi)3O4The SEM picture of high entropy oxide powder.
Specific embodiment
The present invention is described in detail below in conjunction with specific embodiment, but the present invention is not limited to following embodiments.
Embodiment 1
Weigh the Co (NO of 14.55g3)2·6H2O, the Cr (NO of 20.008g3)3·9H2O, the Fe (NO of 20.2g3)3· 9H2O, the Mn (NO of 12.55g3)2·4H2Ni (the NO of O and 14.54g3)2·6H2O is dissolved in 50mL distilled water, is stirred evenly To the mixed solution containing metal salt；Then it weighs 48.03g citric acid and 0.72g ammonium nitrate is added in above-mentioned mixed solution, stir Adjusting the pH of mixed solution after mixing uniformly with ammonium hydroxide is 8, obtains transparent colloidal sol；Then above-mentioned vitreosol is placed in 150 DEG C Oil bath in heating to remove aqueous solvent, obtain loose, foam-like gel；Above-mentioned gel is finally placed in 300 DEG C of Muffle Furnace reacts 30min, obtains final products.XRD spectra (Fig. 1) shows prepared (CoCrFeMnNi)3O4High entropy oxide material For spinel structure, SEM picture (Fig. 2) shows prepared (CoCrFeMnNi)3O4The average grain diameter of high entropy oxide material is 40nm, pattern are spherical and have porous structure.
Embodiment 2
Weigh the Co (NO of 29.01g3)2·6H2O, the Cr (NO of 40.02g3)3·9H2O, the Fe (NO of 40.4g3)3·9H2O、 Mn (the NO of 25.10g3)2·4H2Ni (the NO of O and 29.08g3)2·6H2O be dissolved in 42.5mL distilled water and 7.5mL ethyl alcohol composition In solvent, it is uniformly mixing to obtain the mixed solution containing metal salt；Then 162.14g glucose and 29.22g ethylenediamine tetraacetic are weighed Acetic acid is added in above-mentioned mixed solution, is after mixing evenly 6 with the pH that ammonium hydroxide adjusts mixed solution, obtains transparent colloidal sol；It connects Above-mentioned vitreosol is placed in 120 DEG C of oil bath and heats to remove aqueous solvent, obtain loose, foam-like gel；Finally Above-mentioned gel is placed in the micro-wave oven that input power is 700W and reacts 10min, obtains final products.SEM picture (Fig. 3) shows Prepared (CoCrFeMnNi)3O4The average grain diameter of high entropy oxide material is 90nm, and pattern is spherical and has porous knot Structure.
Embodiment 3
Weigh the Co (NO of 21.83g3)2·6H2O, the Cr (NO of 30.01g3)3·9H2O, the Fe (NO of 30.3g3)3·9H2O、 Mn (the NO of 18.83g3)2·4H2Ni (the NO of O and 21.81g3)2·6H2O is dissolved in 42.5mL ethyl alcohol and 7.5mL distilled water, is stirred It mixes and uniformly obtains the mixed solution containing metal salt；Then it weighs 101.34g glucose and above-mentioned mixing is added in 3.04g ammonium acetate In solution, it is after mixing evenly 7 with the pH that ammonium hydroxide adjusts mixed solution, obtains transparent colloidal sol；Then by above-mentioned vitreosol It is placed in 80 DEG C of water-bath and heats to remove aqueous solvent, obtain loose, foam-like gel；Above-mentioned gel is finally placed in 500 DEG C Muffle furnace react 10min, obtain average grain diameter be 130nm spherical spinel type (CoCrFeMnNi)3O4High entropy oxide Powder body material.

Claims (5)

1. a kind of preparation method of the porous high entropy oxide material of spinel-type, it is characterised in that include the following steps：
(1) nitrate for weighing Co, Cr, Fe, Mn and Ni of equimolar amounts is dissolved in distilled water or ethanol water, and stirring is equal It is even, obtain the mixed solution containing metal salt；
Volume fraction of ethanol is 15~85% in the ethanol water；The concentration of the metal salt is 1~2mol/L；
(2) mixed solution that step (1) obtains is added in the mixture for weighing fuel or fuel and combustion adjuvant, stirs evenly and adds Enter the pH to 6~8 that ammonium hydroxide adjusts mixed solution, obtains transparent colloidal sol；
The molar ratio of the metal ion of the fuel and mixed solution is 1~3: 1；In the mixture of the fuel and combustion adjuvant： Mass ratio shared by combustion adjuvant is 1.5%~3%；
(3) above-mentioned vitreosol is placed in water-bath or oil bath the mixed solvent of water or second alcohol and water in heating evaporation colloidal sol, obtained Obtain loose, foam-like gel；
(4) gel that step (3) obtains is placed in 300~500 DEG C of Muffle furnace, or be placed directly in micro-wave oven, low temperature occurs Target product is obtained after combustion reaction；
Wherein：The reaction time is 15~30min in Muffle furnace；Microwave input power be 600~700W, the reaction time be 4~ 10min。
2. the preparation method of the porous high entropy oxide material of spinel-type according to claim 1, which is characterized in that described Fuel is one or more of citric acid, ethylenediamine tetra-acetic acid, hexamethylene tetramine and glucose.
3. the preparation method of the porous high entropy oxide material of spinel-type according to claim 1, which is characterized in that described Combustion adjuvant is one or both of ammonium acetate and ammonium nitrate.
4. the preparation method of the porous high entropy oxide material of spinel-type according to claim 1, which is characterized in that described The temperature that step (3) evaporates solvent is 80~200 DEG C.
5. the porous high entropy oxide material of the spinel-type that preparation method obtains according to claim 1 is negative in lithium ion battery Application in the material of pole.
CN201810833184.8A 2018-07-25 2018-07-25 Preparation method of spinel type porous high-entropy oxide material Active CN108821351B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810833184.8A CN108821351B (en) 2018-07-25 2018-07-25 Preparation method of spinel type porous high-entropy oxide material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810833184.8A CN108821351B (en) 2018-07-25 2018-07-25 Preparation method of spinel type porous high-entropy oxide material

Publications (2)

Publication Number Publication Date
CN108821351A true CN108821351A (en) 2018-11-16
CN108821351B CN108821351B (en) 2020-04-24

Family

ID=64141330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810833184.8A Active CN108821351B (en) 2018-07-25 2018-07-25 Preparation method of spinel type porous high-entropy oxide material

Country Status (1)

Country Link
CN (1) CN108821351B (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110104648A (en) * 2019-05-10 2019-08-09 东华大学 A kind of high entropy carbide nano powder and preparation method thereof
CN110364717A (en) * 2019-07-24 2019-10-22 东北大学秦皇岛分校 A kind of high entropy oxide electrode material of spinel-type and preparation method thereof
CN110526706A (en) * 2019-09-19 2019-12-03 安徽工业大学 A kind of high entropy oxide powder material of eutectic and preparation method
CN110556536A (en) * 2019-09-19 2019-12-10 安徽工业大学 Six-element high-entropy oxide material for lithium ion battery and preparation method thereof
CN110563462A (en) * 2019-09-19 2019-12-13 安徽工业大学 B-site six-element high-entropy novel perovskite type high-entropy oxide material and preparation method thereof
CN110600703A (en) * 2019-09-19 2019-12-20 安徽工业大学 Five-element transition metal oxide high-entropy material for lithium ion battery
CN111333124A (en) * 2020-03-06 2020-06-26 西安交通大学 Spinel-type mesoporous high-entropy oxide nanosphere with hollow structure and preparation method and application thereof
CN111348910A (en) * 2020-03-10 2020-06-30 南昌航空大学 Hexahydric spinel type iron-cobalt-chromium-manganese-nickel-copper series high-entropy oxide and powder preparation method thereof
CN111620681A (en) * 2020-06-16 2020-09-04 湖南大学 Preparation method of high-entropy oxide material
CN112340787A (en) * 2020-11-09 2021-02-09 东北大学秦皇岛分校 Single-phase spinel type high-entropy oxide, preparation method and application
CN112614986A (en) * 2020-12-18 2021-04-06 安徽工业大学 Rock salt type high-entropy anode material containing sulfur-oxygen dianions and preparation method
TWI725822B (en) * 2020-04-21 2021-04-21 國立清華大學 Lithium battery and anode material thereof
CN113461415A (en) * 2021-07-19 2021-10-01 中国科学院兰州化学物理研究所 Hydrothermal method for preparing high-entropy oxide material (MAlFeCuMg)3O4Method (2)
CN113501709A (en) * 2021-07-19 2021-10-15 中国科学院兰州化学物理研究所 Synthesis of spinel-type high-entropy oxide Material (MCoFeCrMn) by hydrothermal method3O4Method (2)
CN113511693A (en) * 2021-07-19 2021-10-19 中国科学院兰州化学物理研究所 Colored spinel type high-entropy oxide (NiFeCrM)3O4Synthesis method
CN113745548A (en) * 2021-09-09 2021-12-03 南华大学 High-entropy ceramic material based on spinel structure and preparation method and application thereof
CN113845153A (en) * 2021-09-17 2021-12-28 天津市捷威动力工业有限公司 Multi-element high-entropy solid solution cathode material and preparation method and application thereof
CN114405420A (en) * 2022-01-26 2022-04-29 西安建筑科技大学 Nano high-entropy oxide aerogel and preparation method thereof
US20220135426A1 (en) * 2020-10-29 2022-05-05 National Cheng Kung University High entropy composite oxide, manufacturing method thereof, and anode materials comprising the same
CN114477316A (en) * 2022-02-28 2022-05-13 北京科技大学 Simple NiFe2O4Process for preparing nano powder
CN115044935A (en) * 2022-07-29 2022-09-13 东北大学秦皇岛分校 Preparation method and application of nano high-entropy oxide

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103274765A (en) * 2013-05-31 2013-09-04 景德镇陶瓷学院 Co-Zn-Cr-Al composite spinel type blue ceramic pigment and preparation method thereof
CN105314973A (en) * 2014-06-27 2016-02-10 明朔(北京)电子科技有限公司 Nano-crystal ferrite soft magnetic composite material and preparation method thereof
CN106622241A (en) * 2017-01-06 2017-05-10 中国石油大学(华东) Nano spinel type catalyst and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103274765A (en) * 2013-05-31 2013-09-04 景德镇陶瓷学院 Co-Zn-Cr-Al composite spinel type blue ceramic pigment and preparation method thereof
CN105314973A (en) * 2014-06-27 2016-02-10 明朔(北京)电子科技有限公司 Nano-crystal ferrite soft magnetic composite material and preparation method thereof
CN106622241A (en) * 2017-01-06 2017-05-10 中国石油大学(华东) Nano spinel type catalyst and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LOUIS V. GAMBINO等: "ALCHEMI studies of site occupancies in Cr-, Ni-,and Fe-substituted manganese cobaltite spinels", 《J MATER SCI》 *
PRAGATI JADHAV等: "Structural and magnetic properties of Ni0.8Co0.2-2xCuxMnxFe2O4 spinel ferrites prepared via solution combustion route", 《JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS》 *

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110104648A (en) * 2019-05-10 2019-08-09 东华大学 A kind of high entropy carbide nano powder and preparation method thereof
CN110364717A (en) * 2019-07-24 2019-10-22 东北大学秦皇岛分校 A kind of high entropy oxide electrode material of spinel-type and preparation method thereof
CN110526706B (en) * 2019-09-19 2021-09-21 安徽工业大学 Eutectic high-entropy oxide powder material and preparation method thereof
CN110526706A (en) * 2019-09-19 2019-12-03 安徽工业大学 A kind of high entropy oxide powder material of eutectic and preparation method
CN110556536A (en) * 2019-09-19 2019-12-10 安徽工业大学 Six-element high-entropy oxide material for lithium ion battery and preparation method thereof
CN110563462A (en) * 2019-09-19 2019-12-13 安徽工业大学 B-site six-element high-entropy novel perovskite type high-entropy oxide material and preparation method thereof
CN110600703A (en) * 2019-09-19 2019-12-20 安徽工业大学 Five-element transition metal oxide high-entropy material for lithium ion battery
CN110600703B (en) * 2019-09-19 2022-09-30 安徽工业大学 Five-element transition metal oxide high-entropy material for lithium ion battery
CN110556536B (en) * 2019-09-19 2022-06-14 安徽工业大学 Six-element high-entropy oxide material for lithium ion battery and preparation method thereof
CN111333124A (en) * 2020-03-06 2020-06-26 西安交通大学 Spinel-type mesoporous high-entropy oxide nanosphere with hollow structure and preparation method and application thereof
CN111348910A (en) * 2020-03-10 2020-06-30 南昌航空大学 Hexahydric spinel type iron-cobalt-chromium-manganese-nickel-copper series high-entropy oxide and powder preparation method thereof
CN111348910B (en) * 2020-03-10 2022-08-12 南昌航空大学 Hexahydric spinel type iron-cobalt-chromium-manganese-nickel-copper series high-entropy oxide and powder preparation method thereof
TWI725822B (en) * 2020-04-21 2021-04-21 國立清華大學 Lithium battery and anode material thereof
CN111620681A (en) * 2020-06-16 2020-09-04 湖南大学 Preparation method of high-entropy oxide material
US20220135426A1 (en) * 2020-10-29 2022-05-05 National Cheng Kung University High entropy composite oxide, manufacturing method thereof, and anode materials comprising the same
US11760656B2 (en) * 2020-10-29 2023-09-19 National Cheng Kung University High entropy composite oxide, manufacturing method thereof, and anode materials comprising the same
CN112340787B (en) * 2020-11-09 2023-01-24 东北大学秦皇岛分校 Single-phase spinel type high-entropy oxide, preparation method and application
CN112340787A (en) * 2020-11-09 2021-02-09 东北大学秦皇岛分校 Single-phase spinel type high-entropy oxide, preparation method and application
CN112614986A (en) * 2020-12-18 2021-04-06 安徽工业大学 Rock salt type high-entropy anode material containing sulfur-oxygen dianions and preparation method
CN113461415A (en) * 2021-07-19 2021-10-01 中国科学院兰州化学物理研究所 Hydrothermal method for preparing high-entropy oxide material (MAlFeCuMg)3O4Method (2)
CN113511693A (en) * 2021-07-19 2021-10-19 中国科学院兰州化学物理研究所 Colored spinel type high-entropy oxide (NiFeCrM)3O4Synthesis method
CN113461415B (en) * 2021-07-19 2022-08-30 中国科学院兰州化学物理研究所 Hydrothermal method for preparing high-entropy oxide material (MAlFeCuMg) 3 O 4 Method (2)
CN113501709A (en) * 2021-07-19 2021-10-15 中国科学院兰州化学物理研究所 Synthesis of spinel-type high-entropy oxide Material (MCoFeCrMn) by hydrothermal method3O4Method (2)
CN113745548A (en) * 2021-09-09 2021-12-03 南华大学 High-entropy ceramic material based on spinel structure and preparation method and application thereof
CN113745548B (en) * 2021-09-09 2023-03-31 南华大学 High-entropy ceramic material based on spinel structure and preparation method and application thereof
CN113845153A (en) * 2021-09-17 2021-12-28 天津市捷威动力工业有限公司 Multi-element high-entropy solid solution cathode material and preparation method and application thereof
CN113845153B (en) * 2021-09-17 2023-10-10 天津市捷威动力工业有限公司 Multi-element high-entropy solid solution positive electrode material, preparation method and application
CN114405420A (en) * 2022-01-26 2022-04-29 西安建筑科技大学 Nano high-entropy oxide aerogel and preparation method thereof
CN114477316A (en) * 2022-02-28 2022-05-13 北京科技大学 Simple NiFe2O4Process for preparing nano powder
CN115044935A (en) * 2022-07-29 2022-09-13 东北大学秦皇岛分校 Preparation method and application of nano high-entropy oxide
CN115044935B (en) * 2022-07-29 2024-03-08 东北大学秦皇岛分校 Preparation method and application of nano high-entropy oxide

Also Published As

Publication number Publication date
CN108821351B (en) 2020-04-24

Similar Documents

Publication Publication Date Title
CN108821351A (en) A kind of preparation method of the porous high entropy oxide material of spinel-type
CN109052491A (en) A kind of preparation method of the porous high entropy oxide material of lithium ion battery negative material spinel-type
CN109019701A (en) A kind of preparation method of rock salt (MgCoCuNiZn) O high entropy oxide powder material
CN101814600B (en) Method for preparing lithium iron phosphate serving as positive active material of lithium battery
CN108946787A (en) A kind of preparation method of the high entropy oxide powder material of Property of Rare earth based Fluorite Type
Fu et al. Comparison of microwave-induced combustion and solid-state reaction for synthesis of LiMn2− xCrxO4 powders and their electrochemical properties
CN104701538B (en) A kind of preparation method for lithium ion battery anode material lithium iron phosphate
KR20130000849A (en) Method of preparing cathode active material for lithium secondary batteries and lithium secondary batteries using the same
CN105529456A (en) Industrial production method for 30C-rate lithium nickel cobalt manganese oxide NCM523 ternary cathode material
CN103794777A (en) Preparation method of surface covered nickel lithium manganate positive electrode material
Song et al. Synthesis of Mg-doped LiMn2O4 powders for lithium-ion batteries by rotary heating
CN103359701A (en) Preparation method of lithium iron phosphate
CN114634211B (en) Preparation method and application of tin-based lithium cobalt oxide precursor
CN108649208A (en) The low-temperature burning preparation method and positive electrode of spinel nickel LiMn2O4
CN111785959B (en) Spinel type lithium ion battery positive electrode active material and preparation method thereof
Wu et al. Structural, morphological and electrochemical characteristics of spinel LiMn2O4 prepared by spray-drying method
CN105895883B (en) Complex silicate manganese lithium anode material and preparation method thereof
CN110483219B (en) Cubic structure composite energetic material and preparation method thereof
CN108511724A (en) A kind of collosol and gel auxiliary supercritical CO2Drying prepares iron manganese phosphate for lithium method
CN107611419A (en) Alkaline-earth metal ferrite electrode material and its preparation method and application
JP2005116392A (en) Method of manufacturing electrode material powder, electrode material powder, electrode, and lithium battery
WO2023093181A1 (en) Rod-shaped sodium ion positive electrode material, preparation method therefor and application thereof
CN106784797A (en) The preparation method of tertiary cathode material
Fu et al. LiMn2− yMyO4 (M= Cr, Co) cathode materials synthesized by the microwave-induced combustion for lithium ion batteries
CN110438557A (en) A kind of preparation method of sharpening monocrystalline high-voltage spinel nickel lithium manganate cathode material

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
GR01 Patent grant
GR01 Patent grant