CN107946581A - A kind of power-type sodium-ion battery positive material and preparation method thereof - Google Patents

A kind of power-type sodium-ion battery positive material and preparation method thereof Download PDF

Info

Publication number
CN107946581A
CN107946581A CN201711228974.5A CN201711228974A CN107946581A CN 107946581 A CN107946581 A CN 107946581A CN 201711228974 A CN201711228974 A CN 201711228974A CN 107946581 A CN107946581 A CN 107946581A
Authority
CN
China
Prior art keywords
ion battery
battery positive
sodium
positive material
power
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
CN201711228974.5A
Other languages
Chinese (zh)
Inventor
周永宁
王钦超
吴晓京
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.)
Fudan University
Original Assignee
Fudan 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 Fudan University filed Critical Fudan University
Priority to CN201711228974.5A priority Critical patent/CN107946581A/en
Publication of CN107946581A publication Critical patent/CN107946581A/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
    • 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
    • H01M4/50Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • 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
    • H01M4/52Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • 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 belongs to electrochemical technology field, is specially a kind of power-type sodium-ion battery positive material and preparation method thereof.The sodium-ion battery positive material of the present invention is the ternary layered metal oxide of manganese nickel magnesium, its chemical formula is Na0.66Mn0.6Ni0.4‑x Mg x O2(0 <x≤0.4).The electrode material is prepared using solid-phase synthesis.The reversible capacity of the electrode material is about 50 ~ 140 mAh g‑1, energy density is about 200 400 Wh kg‑1.Superior cyclical stability and fast charging and discharging performance are shown in charge and discharge process.The cathode stratified material is higher than energy, and cycle performance is good, and preparation method is simple, is a kind of excellent power-type sodium-ion battery positive material.

Description

A kind of power-type sodium-ion battery positive material and preparation method thereof
Technical field
The invention belongs to electrochemical technology field, and in particular to can use positive electrode active materials and its preparation side of sodium-ion battery Method.
Background technology
Energy problem enjoys social concerns always, and as emerging electric energy storage device, lithium ion battery is rapidly sent out in recent years Exhibition, from mobile electronic device to electric automobile, the demand of people increasingly increases.But lithium source reserves are barren directly to restrict lithium Ion battery develops, especially extensive storing up electricity, is badly in need of researching and developing new secondary cell system.Sodium has similar atom knot to lithium Structure and chemical property, and the reserves of global sodium element are extremely abundant, and sodium-ion battery is subject to the extensive concern of researcher.But Sodium-ion battery positive material can not much meet the needs of sodium-ion battery commercialized development at present, thus find new sodium from Sub- cell positive material becomes very urgent.
The present invention is prepared for novel lamellar sodium-ion battery positive material Na using solid-phase synthesis0.66Mn0.6Ni0.4- x Mg x O2(0 <x≤0.4), be a kind of novel lamellar positive electrode with P2 structures, had compared with high charge-discharge capacity and good The sodium-ion battery positive material of good cycle performance.
The content of the invention
It is an object of the invention to propose a kind of layered cathode material and its system of good performance for sodium-ion battery Preparation Method.
It is proposed by the present invention to be used for power-type sodium-ion battery positive material, it is the ternary layered metal oxide of manganese nickel magnesium, Its chemical formula is Na0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤ 0.4, preferably 0 <x< 0.4, similarly hereinafter)Stratified material, form metal The element ratio of the manganese nickel magnesium of oxide meets 0.6:0.4-x:x.Research has shown that such positive electrode has good electrification Performance is learned, fast charging and discharging performance is good, can be as the positive electrode of high-performance sodium-ion battery.Up to the present do not close also In such sodium-ion battery positive material and its report of preparation.
Na proposed by the present invention0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)Positive electrode is powder type, it is once Particle size is at 2 ~ 5 μm.
Na proposed by the present invention0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)The preparation method of positive electrode, using solid phase Synthetic method, comprises the following steps that:
By Na2CO3、C4H6O4Ni 4H2O、Mn2O3With MgO according to Na0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)Chemistry meter Amount after grinding, with 10 ~ 20 h of ball mill ball milling, the mixture after ball milling is inserted in tube furnace, 800 ~ 1100 than mixing DEG C keep 10 ~ 20h, be cooled to room temperature, that is, obtain needed for positive electrode.
In the present invention, Na0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)Crystal structure and thing are mutually by X-ray diffraction(XRD) Determine.Diffraction patterns show Na prepared by this method0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)Sample is single pure phase, is belonged to Hexagonal crystal system, space group P63/ mmc, belongs to P2 structure stratified materials.
In the present invention, by Na0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)Electrode is made coated on aluminium foil in material, makees For the cathode of sodium-ion battery.By 70% sample, 20% conductive black is evenly spread in the nmp solution of 10%PVDF.Uniformly apply Overlay on aluminium foil, after drying, be washed into the circular electric pole piece of a diameter of 14 mm.
In the present invention, Na0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)Electrochemical property test is used and is made of three electrodes Sodium ion battery system.Wherein, Na0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)As working electrode, sodium foil is used as to electricity Pole and reference electrode.Electrolyte is 1M NaClO4+EC+DEC+PC (VEC:VDEC:VPC=1:1:1), battery is in the hand full of argon gas Assembled in casing.The battery performance of the sodium-ion battery is in blue electricity(Land)Carried out on battery test system.
In the present invention, the Na of solid-phase synthesis synthesis is utilized0.66Mn0.6Ni0.4-x Mg x O2Sample, has preferable discharge and recharge Performance, in 2.5 ~ 4.2V of voltage range(vs. Na+/Na)With 10 ~ 150mA of current density g-1When, preferable fast charging and discharging Performance and cyclical stability, average charge and discharge platform have higher energy density between 3.4-4.0 V.In the electricity of 10 C Under current density, the circle of circulation 500 still has 30-70 mAh g-1Reversible capacity, there is superior fast charging and discharging performance and circulation Invertibity.
Above-mentioned performance shows, by the Na of solid reaction process preparation0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)For pure phase Compound, is a kind of new positive electrode, can be used as power-type sodium-ion battery positive material.
Brief description of the drawings
Fig. 1 is Na0.66Mn0.6Ni0.2Mg0.2O2And Na0.66Mn0.6Ni0.3Mg0.1O2XRD diagram.
Fig. 2 is Na0.66Mn0.6Ni0.2Mg0.2O2Electrode is 150mA g in current density-1When the 1st, 2,5,10,20 time circulation Charging and discharging curve.
Embodiment
Embodiment 1
Use Na2CO3、C4H6O4Ni 4H2O、Mn2O3With MgO as presoma, according to Na:Mn:Ni:Mg is 0.66:0.6:0.2: 0.2 ratio mixes, and after ball milling 12h, by the mixture of acquisition in tube furnace, burns 12h in 900 DEG C, can be obtained after cooling Na0.66Mn0.6Ni0.2Mg0.2O2Sample.
XRD characterization shows(See attached drawing 1), the Na of synthesis0.66Mn0.6Ni0.2Mg0.2O2It is single-phase, belongs to hexagonal crystal system, it is empty Between group be P63/mmc.By 70% sample, 20% conductive black is evenly spread in the nmp solution of 10%PVDF.It is coated uniformly on On aluminium foil, after drying, the circular electric pole piece of a diameter of 14 mm is washed into.Using the circular electric pole piece as working electrode, with sodium Paper tinsel is used as forms button cell to electrode.Its electrolyte is 1M NaClO4+EC+DEC+PC (VEC:VDEC:VPC=1:1:1), filling Battery is assembled in the glove box of full argon gas.The constant current charge-discharge test of battery carries out on Land battery test systems. Na0.66Mn0.6Ni0.2Mg0.2O2In 2.5 ~ 4.2 V(vs. Na+/Na)Electrochemical window in, 100mA g-1Filled under current density Electric discharge reversible capacity is 60 ~ 100mAh g-1, capacity can still keep 70 % after circulation 500 is enclosed.
Embodiment 2
Use Na2CO3、C4H6O4Ni 4H2O、Mn2O3With MgO as presoma, according to Na:Mn:Ni:Mg is 0.66:0.6:0.3: 0.1 ratio mixing, after 12 h of ball milling, by the mixture of acquisition in tube furnace, burns 12 h, after cooling i.e. in 900 DEG C Na can be obtained0.66Mn0.6Ni0.3Mg0.1O2Sample.
XRD characterization shows(See attached drawing 1), the Na of synthesis0.66Mn0.6Ni0.3Mg0.1O2It is single-phase, belongs to hexagonal crystal system, it is empty Between group be P63/mmc.By 70% sample, 20% conductive black is evenly spread in the nmp solution of 10%PVDF.It is coated uniformly on On aluminium foil, after drying, the circular electric pole piece of a diameter of 14 mm is washed into.Using the circular electric pole piece as working electrode, with sodium Paper tinsel is used as forms button cell to electrode.Its electrolyte is 1M NaClO4+EC+DEC+PC (VEC:VDEC:VPC=1:1:1), filling Battery is assembled in the glove box of full argon gas.The charge-discharge test of battery carries out on Land battery test systems. Na0.66Mn0.6Ni0.3Mg0.1O2The electrode of sample is demonstrated by good chemical property.In 2.5 ~ 4.2 V of voltage range(vs. Na+/Na)It is interior, 200 mA g-1Reversible capability of charging and discharging is respectively 50 ~ 90mAh g under current density-1, circulation 500 circle after capacity still Keep 80 %.

Claims (3)

1. a kind of power-type sodium-ion battery positive material, it is characterised in that be the ternary layered metal oxide of manganese nickel magnesium, it is changed Formula is Na0.66Mn0.6Ni0.4-x Mg x O2, 0 <x≤0.4。
2. power-type sodium-ion battery positive material according to claim 1, it is characterised in that it is powder type, one Secondary particle size is at 2 ~ 5 μm.
A kind of 3. preparation method of power-type sodium-ion battery positive material as claimed in claim 1, it is characterised in that tool Body step is:By Na2CO3、C4H6O4Ni 4H2O、Mn2O3With MgO according to Na0.66Mn0.6Ni0.4-x Mg x O2(0 <x≤0.4)Change Metering is learned than mixing, grinding, with 10 ~ 20 h of ball mill ball milling, the mixture after ball milling is inserted in tube furnace, 800 ~ 1100 DEG C keep 10 ~ 20h, be cooled to room temperature, that is, obtain needed for positive electrode.
CN201711228974.5A 2017-11-29 2017-11-29 A kind of power-type sodium-ion battery positive material and preparation method thereof Pending CN107946581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711228974.5A CN107946581A (en) 2017-11-29 2017-11-29 A kind of power-type sodium-ion battery positive material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711228974.5A CN107946581A (en) 2017-11-29 2017-11-29 A kind of power-type sodium-ion battery positive material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN107946581A true CN107946581A (en) 2018-04-20

Family

ID=61946749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711228974.5A Pending CN107946581A (en) 2017-11-29 2017-11-29 A kind of power-type sodium-ion battery positive material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107946581A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109742365A (en) * 2019-01-09 2019-05-10 东北大学秦皇岛分校 A kind of sodium-ion battery positive material, preparation method and a kind of sodium-ion battery
CN111864200A (en) * 2020-08-25 2020-10-30 南开大学 High-capacity sodium ion battery positive electrode material
CN111933943A (en) * 2020-08-10 2020-11-13 苏州科技大学 Sodium ion battery Na with high energy density0.67Mn0.65Fe0.2Ni0.15O2Efficient and stable preparation method of anode material
KR20210092775A (en) * 2019-01-11 2021-07-26 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 Positive electrode active material, manufacturing method thereof, sodium ion battery, and apparatus provided with sodium ion battery
US20210408541A1 (en) * 2019-08-07 2021-12-30 Panasonic Intellectual Property Management Co., Ltd. Positive-electrode active material and battery
CN114122383A (en) * 2021-11-29 2022-03-01 复旦大学 Oxygen valence-variable sodium ion battery positive electrode material containing transition metal vacancy and preparation method thereof
CN114566632A (en) * 2022-03-04 2022-05-31 上海交通大学 Positive electrode material for sodium ion battery and preparation method thereof
CN114678520A (en) * 2022-02-17 2022-06-28 扬州大学 Positive electrode material for sodium ion battery and preparation method thereof
CN114725346A (en) * 2022-03-31 2022-07-08 钠远新材科技(无锡)有限公司 Sodium ion battery positive electrode material, preparation method thereof and sodium ion battery

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GURPREET SINGH ET AL.: "《High Voltage Mg-Doped Na0.67Ni0.3–xMgxMn0.7O2 (x=0.05, 0.1) Na-Ion Cathodes with Enhanced Stability and Rate Capability》", 《CHEMISTRY OF MATERIALS》 *
PENGFEI WANG ET AL.: "《Suppressing the P2–O2 Phase Transition of Na0.67Mn0.67Ni0.33O2 by Magnesium Substitution for Improved Sodium‐Ion Batteries》", 《ANGEW. CHEM. INT. ED.》 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109742365A (en) * 2019-01-09 2019-05-10 东北大学秦皇岛分校 A kind of sodium-ion battery positive material, preparation method and a kind of sodium-ion battery
KR102457600B1 (en) 2019-01-11 2022-10-20 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 Positive electrode active material, manufacturing method thereof, sodium ion battery, and apparatus provided with sodium ion battery
KR20210092775A (en) * 2019-01-11 2021-07-26 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 Positive electrode active material, manufacturing method thereof, sodium ion battery, and apparatus provided with sodium ion battery
US20210408541A1 (en) * 2019-08-07 2021-12-30 Panasonic Intellectual Property Management Co., Ltd. Positive-electrode active material and battery
CN111933943A (en) * 2020-08-10 2020-11-13 苏州科技大学 Sodium ion battery Na with high energy density0.67Mn0.65Fe0.2Ni0.15O2Efficient and stable preparation method of anode material
CN111864200A (en) * 2020-08-25 2020-10-30 南开大学 High-capacity sodium ion battery positive electrode material
CN114122383A (en) * 2021-11-29 2022-03-01 复旦大学 Oxygen valence-variable sodium ion battery positive electrode material containing transition metal vacancy and preparation method thereof
CN114122383B (en) * 2021-11-29 2023-11-24 复旦大学 Oxygen-valence-changing sodium ion battery positive electrode material containing transition metal vacancy and preparation method thereof
CN114678520A (en) * 2022-02-17 2022-06-28 扬州大学 Positive electrode material for sodium ion battery and preparation method thereof
CN114678520B (en) * 2022-02-17 2023-08-22 扬州大学 Positive electrode material for sodium ion battery and preparation method thereof
CN114566632A (en) * 2022-03-04 2022-05-31 上海交通大学 Positive electrode material for sodium ion battery and preparation method thereof
CN114566632B (en) * 2022-03-04 2024-02-06 上海苏迪恩新能源科技有限责任公司 Positive electrode material for sodium ion battery and preparation method thereof
CN114725346A (en) * 2022-03-31 2022-07-08 钠远新材科技(无锡)有限公司 Sodium ion battery positive electrode material, preparation method thereof and sodium ion battery

Similar Documents

Publication Publication Date Title
CN107946581A (en) A kind of power-type sodium-ion battery positive material and preparation method thereof
CN104795560B (en) A kind of rich sodium P2 phase layered oxide materials and its production and use
CN108039463A (en) A kind of solid state battery of the preparation and application of solid electrolyte/electrode composite material material
CN106340651A (en) Secondary battery and preparing method thereof
JP2007213961A (en) Nonaqueous electrolyte secondary battery
JP2008034368A (en) Lithium ion storage battery containing contains tio2-b as anode active substance
CN100583511C (en) Preparation method for anode material manganese magnesium silicate of rechargeable magnesium cell
WO2012035648A1 (en) Active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery
CN101752562B (en) Compound doped modified lithium ion battery anode material and preparation method thereof
CN107902633B (en) Selenized pyrite material and battery prepared from same
CN103891030B (en) Nonaqueous electrolytic solution secondary battery and utilization thereof
CN107425220A (en) Electrolyte solution and its application method for high energy cathode material
CN105810932B (en) A kind of sodium-ion battery layered cathode material and preparation method thereof
CN104393234A (en) Modified lithium ion battery composite positive pole material and preparation method thereof
CN104956527A (en) Transition metal hexacyanoferrate battery cathode, transition metal hexacyanoferrate cathode battery, method for synthesizing a transition metal hexacyanoferrate battery material, method for fabricating a transition metal hexacyanoferrate battery cathode electrode, and method for using a transition metal hexacyanoferrate battery
JP2011228052A (en) Lithium ion secondary battery
CN103762354A (en) LiNi0.5Mn1.5O4 material, preparation method thereof as well as lithium ion battery
CN106803579A (en) A kind of silicon or silicon alloy composite lithium ion battery cathode material containing positive electrode and its preparation method and application
CN106532041A (en) Sodium manganese fluosilicate positive electrode material for sodium ion battery and preparation method for sodium manganese fluosilicate positive electrode material
Zhang et al. LaNiO3 as a novel anode for lithium-ion batteries
CN104854035A (en) Composite metal oxide, method for producing composite metal oxide, and sodium secondary battery
CN108023073B (en) Low-temperature sodium-ion battery positive electrode material and preparation method thereof
Padigi et al. Calcium cobalt hexacyanoferrate cathodes for rechargeable divalent ion batteries
CN107293747A (en) A kind of anode of magnesium ion battery material of magnesium position doping and preparation method thereof
CN103198935A (en) Preparation method of graphene sheet modified spinel type lithium manganate or alpha type manganese dioxide electrode

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: 20180420

RJ01 Rejection of invention patent application after publication