CN108933255A - A kind of preparation method and application of cobalt acid nickel - Google Patents
A kind of preparation method and application of cobalt acid nickel Download PDFInfo
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- CN108933255A CN108933255A CN201810642996.4A CN201810642996A CN108933255A CN 108933255 A CN108933255 A CN 108933255A CN 201810642996 A CN201810642996 A CN 201810642996A CN 108933255 A CN108933255 A CN 108933255A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection 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
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of preparation methods of cobalt acid nickel, the nickel salt, cobalt salt, precipitating reagent of stoichiometric ratio are mixed with deionized water, mixed solution is moved into reaction kettle and carries out hydro-thermal reaction controlled at 100~125 DEG C, time washs after being 6~8h and dries to obtain powder-mixed presoma, it is heat-treated in air again, it is final to obtain a kind of NiCo2O4Material.Using the resulting NiCo of method of the invention2O4Material improves the high rate performance of lithium battery for the cathode of chargeable lithium ion battery.
Description
Technical field
The invention belongs to chemical fields, are related to a kind of cathode material of lithium ion battery, specifically a kind of cobalt acid nickel
Preparation method and application.
Background technique
In recent ten years, lithium ion battery has been widely used in mobile electronic terminal device neck with its high-performance benefits
Domain.The advantages that transition metal oxide is because of height ratio capacity is by certain concern.Especially NiCo2O4, it is confirmed as next-generation lithium
The most promising candidate of ion electrode, it is contemplated that the theoretical capacity of its superelevation, fabulous redox active and height ratio capacity
[1].Researchers are to NiCo2O4Electrode material structure nano stores up lithium performance to improve it, and proposes that special construction can provide more
More specific surface areas provides the channel for being enough the fine deintercalation of lithium ion and electrolyte/electrode contact surface, to promote electrochemistry
The progress [2] of reaction.
Currently, NiCo has been made in Weng group [3]2O4Micro-nano nanowire structure, Sun group of South Korea [4] pass through citric acid conduct
Complexing agent ultrasonic pyrolysis spray-on process is prepared for spherical NiCo2O4Structural material.Just research is reported at present, NiCo2O4Material has
Conductance, surface and architectural characteristic, still, the multiplying power property of lithium ion battery is poor.
Bibliography
[1]P.Poizot,S.Laruelle,S.Grugeon,L.Dupont,J.M.Tarascon,Nature 407
(2000)496.
[2]F.X.Ma,L.Yu,C.Y.Xu,X.W.Lou,Energy Environ 6(2016)862.
[3]F.H.Xu,F.L.Yu,C.Liu,P.D.Han,B.C.Weng,J.Power Sources 354(2017)85.
[4]S.W.Oh,H.J.Bang,Y.K.Sun,J.Power Sources 173(2007)502.
Summary of the invention
For above-mentioned technical problem in the prior art, the present invention provides a kind of preparation method and application of cobalt acid nickel,
The preparation method and application of this cobalt acid nickel will solve spherical NiCo in the prior art2O4The multiplying power of structural material is special
The poor technical problem of property.
The present invention provides a kind of preparation methods of cobalt acid nickel, include the following steps:
1) 30~60min is stirred after mixing nickel salt, cobalt salt, precipitating reagent with deionized water, then by entire mixed solution
It moving into the autoclave of inner liner polytetrafluoroethylene and carries out hydro-thermal reaction, control hydrothermal temperature is 100~125 DEG C, when
Between be 6~8h, obtain reaction solution；The nickel salt is nickel nitrate, nickel acetate, nickelous carbonate or nickel oxalate；The cobalt salt is nitric acid
Cobalt, cobalt acetate, cobalt carbonate or cobalt oxalate；The precipitating reagent is hexa；The nickel salt, cobalt salt, precipitating reagent and
The molar ratio of deionized water is 1:2:3:266.67~355.56；
2) the resulting reaction solution of step 1) being centrifuged, it is 3000~3500r/min that centrifugal process, which controls centrifugal rotational speed,
Time is 20~30min, after solid content deionized water and dehydrated alcohol after centrifugation wash 2~5 times respectively, controlled at
60~90 DEG C of drying, obtain powder-mixed presoma；
3) the resulting powder-mixed presoma of step 2) is heat-treated in air atmosphere, heat treatment temperature be 290~
310 DEG C, the time is 2~3h, obtains NiCo2O4Material.
Further, the molar ratio of nickel salt in step (1), cobalt salt, precipitating reagent and deionized water is 1:2:3:333.34.
Further, hydrothermal temperature is 100 DEG C, the hydro-thermal reaction time 6h in step (1), the baking in step (2)
Dry temperature control is 70 DEG C.
The present invention also provides adopt the cobalt acid nickel prepared with the aforedescribed process in the negative electrode material of chargeable lithium ion battery
Application.
Specifically, the filling degree of autoclave is 60~80%, preferably 75%；
Specifically, preferably 70 DEG C of drying temperature control；
Specifically, preferably 300 DEG C carry out heat treatment 2h.
Using a kind of above-mentioned NiCo2O4The resulting NiCo of the preparation method of material2O4Material is in 0.1 and 0.5Ag-1No
With under charge-discharge mechanism, charge specific capacity is respectively 1499.1 and 1198.3mAhg-1, embody higher high rate performance.
A kind of NiCo of the invention2O4Material is used for chargeable lithium ion battery negative electrode material, i.e. cobalt acid nickel electrode cathode material
Material is such as used for lithium hexafluoro phosphate, lithium perchlorate, hexafluoroarsenate lithium and borontrifluoride carbon Sulfonic Lithium (LiPF6,LiClO4,LiAsF6And
LiCF3SO3) etc. for electrolyte chargeable lithium ion battery in.
A kind of above-mentioned NiCo2O4Negative electrode material, that is, cobalt acid nickel electrode negative electrode material of the material as chargeable lithium ion battery
Preparation method, prepared using rubbing method, the specific steps of which are as follows:
In mass ratio it is cobalt acid nickel material cobalt acid nickel material, acetylene black and binder, that is, polyvinylidene fluoride (PVDF):
Acetylene black: cobalt acid nickel material, acetylene black and binder are uniformly mixed and are dissolved in N- crassitude by binder 80:15:5
It in ketone (NMP), is coated on processed copper foil current collector (diameter be 11 millimeters), in 100 DEG C of vacuum, dries 12h to get lithium can be filled
The negative electrode material of ion battery, that is, cobalt acid nickel electrode negative electrode material.
It is cathode by above-mentioned gained cobalt acid nickel electrode negative electrode material, metal lithium sheet is anode, and polypropylene (PP) is as positive and negative
Diaphragm between pole, 1M LiPF6And the ethylene carbonate (EC) and diethyl carbonate (DEC) mixed liquor of 50:50 (w/w) is electricity
Liquid is solved, battery is assembled into the glove box of argon gas protection, in Land battery test system (Wuhan Land Electronic Co., Ltd.
There is provided) under carry out constant current charge-discharge test.Voltage range is 0.01~3.0V vs.Li/Li+。
The present invention is used is added the heavy of different stoichiometric ratios in cobalt acid nickel electrode material synthesis process into presoma
Shallow lake agent hexa, is sufficiently mixed it with presoma, after heat treatment obtains the technical solution of the electrode material.
The present invention provides OH using hexa-Ion.Hexa is a kind of alkalescent substance, it is nontoxic, stable,
It is non-ionic, and the compound of good water solubility.In hydrothermal reaction process, hexa can slowly release OH-Ion
To promote Ni, Co (II) nucleation, crystallization, precipitating.
The NiCo being prepared using the present invention2O4Material, i.e. nickel salt in molar ratio: cobalt salt: precipitating reagent: deionized water is excellent
It is selected as NiCo made from 1:2:3:333.34 hydro-thermal method2O4Electrode material can be seen that the second circle and from cyclic voltammetric map
There are apparent two pairs of redox peaks in three loop graphs spectrum, peak type is similar, and peak value is suitable, shows that the sample of synthesis has and follows well
Ring reversibility.
The present invention is compared with prior art, and technological progress is significant.The present invention provides a kind of NiCo2O4Material
Preparation method solves NiCo2O4The poor problem of multiplying power property of the material in charge and discharge process.
Detailed description of the invention
Fig. 1 is the resulting NiCo of embodiment 22O4The XRD diagram of material；
Fig. 2 is the resulting NiCo of embodiment 22O4The cyclic voltammetry figure of material；
Fig. 3 is the resulting NiCo of embodiment 22O4Material high rate performance figure under different current densities.
Specific embodiment
The present invention is further described by way of example and in conjunction with the accompanying drawings, but is not intended to limit the present invention.
Embodiment 1
Take 0.5821g nickel nitrate (Ni (NO3)2·6H2O analyzes pure, Chinese medicines group chemical reagents corporation), 1.1641g nitre
Sour cobalt (Co (NO3)2·6H2O analyzes pure, Chinese medicines group chemical reagents corporation), 0.8411g hexa (C6H12N4, point
Analyse pure, Chinese medicines group chemical reagents corporation) it is added in 60ml deionized water, wherein Ni (NO3)2:Co(NO3)2:C6H12N4: it goes
The molar ratio of ionized water is 1:2:3:266.67, and entire adition process is in magnetic agitation (81-2 type, the limited public affairs of the happy instrument of Shanghai department
Department) under carry out.After stirring 40min, entire mixed solution is moved into autoclave (100ml, the positive letter of inner liner polytetrafluoroethylene
Instrument plant) in, filling degree is 60%, at a certain temperature (100 DEG C) reaction 6h, and then natural cooling, obtains reaction solution；
Above-mentioned reaction solution is centrifugated, control centrifugal rotational speed is 3300r/min, time 20min, after resulting centrifugation
Solid content deionized water and dehydrated alcohol successively respectively wash 3 times, every time respectively with 1000ml deionized water and 30ml it is anhydrous
Ethyl alcohol (analyzes pure, one factory of Shanghai development chemical industry), and drying obtains powder-mixed presoma at 60 DEG C after having washed；
By powder-mixed presoma in air atmosphere, 290 DEG C of heat treatment 2h, obtain final NiCo2O4Material.
Using X-ray diffraction (XRD, Rigaku Rigaku) to the obtained NiCo of embodiment 12O4Material powder carries out
Detection, testing result is similar to Fig. 1, illustrates that embodiment 1 has also synthesized NiCo2O4Material illustrates the experiment condition pair
NiCo2O4The synthesis of material does not have much affect.
Embodiment 2
Take 0.5821g nickel nitrate (Ni (NO3)2·6H2O analyzes pure, Chinese medicines group chemical reagents corporation), 1.1641g nitre
Sour cobalt (Co (NO3)2·6H2O analyzes pure, Chinese medicines group chemical reagents corporation), 0.8411g hexa (C6H12N4, point
Analyse pure, Chinese medicines group chemical reagents corporation) it is added in 75ml deionized water, wherein Ni (NO3)2:Co(NO3)2:C6H12N4: it goes
The molar ratio of ionized water is 1:2:3:333.34, and entire adition process is in magnetic agitation (81-2 type, the limited public affairs of the happy instrument of Shanghai department
Department) under carry out.After stirring 40min, entire mixed solution is moved into autoclave (100ml, the positive letter of inner liner polytetrafluoroethylene
Instrument plant) in, filling degree is 75%, at a certain temperature (100 DEG C) reaction 6h, and then natural cooling, obtains reaction solution；
Above-mentioned reaction solution is centrifugated, control centrifugal rotational speed is 3300r/min, time 20min, after resulting centrifugation
Solid content deionized water and dehydrated alcohol successively respectively wash 3 times, every time respectively with 1000ml deionized water and 30ml it is anhydrous
Ethyl alcohol (analyzes pure, one factory of Shanghai development chemical industry), and drying obtains powder-mixed presoma at 70 DEG C after having washed；
By powder-mixed presoma in air atmosphere, 300 DEG C of heat treatment 2h, obtain final NiCo2O4Material.
Using X-ray diffraction (XRD, Rigaku Rigaku) to the obtained NiCo of embodiment 12O4Material powder carries out
Detection, testing result such as Fig. 1 illustrate that the sample XRD spectrum meets PDF 73-1702 standard card, are NiCo2O4, and without miscellaneous
Mass peak shows the sample purity with higher of this method preparation.
Embodiment 3
Take 0.5821g nickel nitrate (Ni (NO3)2·6H2O analyzes pure, Chinese medicines group chemical reagents corporation), 1.1641g nitre
Sour cobalt (Co (NO3)2·6H2O analyzes pure, Chinese medicines group chemical reagents corporation), 0.8411g hexa (C6H12N4, point
Analyse pure, Chinese medicines group chemical reagents corporation) it is added in 70ml deionized water, wherein Ni (NO3)2:Co(NO3)2:C6H12N4: it goes
The molar ratio of ionized water is 1:2:3:311.12, and entire adition process is in magnetic agitation (81-2 type, the limited public affairs of the happy instrument of Shanghai department
Department) under carry out.After stirring 40min, entire mixed solution is moved into autoclave (100ml, the positive letter of inner liner polytetrafluoroethylene
Instrument plant) in, filling degree is 70%, at a certain temperature (120 DEG C) reaction 7h, and then natural cooling, obtains reaction solution；
Above-mentioned reaction solution is centrifugated, control centrifugal rotational speed is 3300r/min, time 20min, after resulting centrifugation
Solid content deionized water and dehydrated alcohol successively respectively wash 3 times, every time respectively with 1000ml deionized water and 30ml it is anhydrous
Ethyl alcohol (analyzes pure, one factory of Shanghai development chemical industry), and drying obtains powder-mixed presoma at 80 DEG C after having washed；
By powder-mixed presoma in air atmosphere, 300 DEG C of heat treatment 2h, obtain final NiCo2O4Material.It is penetrated using X
Line diffraction (XRD, Rigaku Rigaku) is to the obtained NiCo of embodiment 12O4Material powder is detected, testing result
It is similar to Fig. 1, illustrate that embodiment 1 has also synthesized NiCo2O4Material illustrates the experiment condition to NiCo2O4The synthesis of material does not have
Too big influence.
Embodiment 4
Take 0.5821g nickel nitrate (Ni (NO3)2·6H2O analyzes pure, Chinese medicines group chemical reagents corporation), 1.1641g nitre
Sour cobalt (Co (NO3)2·6H2O analyzes pure, Chinese medicines group chemical reagents corporation), 0.8411g hexa (C6H12N4, point
Analyse pure, Chinese medicines group chemical reagents corporation) it is added in 80ml deionized water, wherein Ni (NO3)2:Co(NO3)2:C6H12N4: it goes
The molar ratio of ionized water is 1:2:3:355.56, and entire adition process is in magnetic agitation (81-2 type, the limited public affairs of the happy instrument of Shanghai department
Department) under carry out.After stirring 40min, entire mixed solution is moved into autoclave (100ml, the positive letter of inner liner polytetrafluoroethylene
Instrument plant) in, filling degree is 80%, at a certain temperature (125 DEG C) reaction 8h, and then natural cooling, obtains reaction solution；
Above-mentioned reaction solution is centrifugated, control centrifugal rotational speed is 3300r/min, time 20min, after resulting centrifugation
Solid content deionized water and dehydrated alcohol successively respectively wash 3 times, every time respectively with 1000ml deionized water and 30ml it is anhydrous
Ethyl alcohol (analyzes pure, one factory of Shanghai development chemical industry), and drying obtains powder-mixed presoma at 90 DEG C after having washed；
By powder-mixed presoma in air atmosphere, 310 DEG C of heat treatment 3h, obtain final NiCo2O4Material.It is penetrated using X
Line diffraction (XRD, Rigaku Rigaku) is to the obtained NiCo of embodiment 12O4Material powder is detected, testing result
It is similar to Fig. 1, illustrate that embodiment 1 has also synthesized NiCo2O4Material illustrates the experiment condition to NiCo2O4The synthesis of material does not have
Too big influence.
Application Example
The preparation of cobalt acid nickel electrode negative electrode material, steps are as follows:
Cobalt acid nickel material in mass ratio: acetylene black (LITHIUM BATTERY, Xiang Tan Battery Plant): binder (polyvinylidene fluoride
(PVDF), pure, Chinese medicines group chemical reagents corporation is analyzed)=80:15:5, respectively by cobalt acid nickel material prepared by Examples 1 to 4
Material is uniformly mixed with acetylene black and binder and is dissolved in N-Methyl pyrrolidone respectively (NMP, chemical pure, Solution on Chemical Reagents in Shanghai is adopted
Purchase supply is without connection chemical plant) in, it is coated on processed copper foil current collector (11 millimeters of diameter, Beijing Non-Fervoous Metal Inst.),
Coating thickness is 0.2mm, in 100 DEG C of vacuum, dries 12h, obtains the corresponding cobalt acid nickel material prepared by Examples 1 to 4 and is made
Cobalt acid nickel electrode negative electrode material.
Respectively using above-mentioned resulting cobalt acid nickel electrode negative electrode material as cathode, metal lithium sheet (Beijing Non-Fervoous Metal Inst.
(purity 99.9%)) it is anode, polypropylene (PP, technical grade, oil of SPC Products) is as the diaphragm between positive and negative anodes, and 1
M LiPF6And the ethylene carbonate (EC) and diethyl carbonate (DEC) mixed liquor of 50:50 (w/w) is electrolyte (state of Zhangjagang City
Safe Huarong new chemical materials Co., Ltd), inner electricity is assembled into the glove box (ZKX type, Nanjing Univ. Instrument Factory) of argon gas protection
Pond, cyclic voltammetry (CV) research carry out under being 0.01 to 3.0V in the potential range of (CHI 1000C electrochemical workstation),
Sweep speed is 0.1mVs-1, the CV curve of embodiment 2 is as shown in Figure 2；In Land battery test system, (the blue electric electronics in Wuhan has
Limit company provide) under carry out under different current densities charge and discharge test.Voltage range is 0.01~3.0V vs.Li/Li+。
Current density is 0.1,0.5,1,2 and 5Ag-1.Test environment is 25 DEG C of constant temperature.The high rate performance of embodiment 2 is as shown in Figure 3.
For embodiment 1,3,4, there are apparent two pairs of redox in the circle of embodiment 2 second and third loop graph spectrum
Peak, peak type is similar, and peak value is suitable, shows that the sample of synthesis has good charge-discharge performance.From figure 3, it can be seen that
0.1,0.5,1,2 and 5Ag-1Under different charge-discharge mechanisms, embodiment 2 has preferable electrochemical behavior, especially embodiment 2
Prepared NiCo2O4Material is in 0.5Ag-1Current density under specific capacity can reach 1198.3mAhg-1, compared to implementation
Example 1,3,4 embodies optimal high rate performance.
Above content is only the basic explanation under present inventive concept, and any etc. made by technical solution according to the present invention
Effect transformation, is within the scope of protection of the invention.
Claims (4)
1. a kind of preparation method of cobalt acid nickel, it is characterised in that include the following steps:
1) 30~60min is stirred after mixing nickel salt, cobalt salt, precipitating reagent with deionized water, then moves into entire mixed solution
Hydro-thermal reaction is carried out in the autoclave of inner liner polytetrafluoroethylene, control hydrothermal temperature is 100~125 DEG C, the time 6
~8h, obtains reaction solution；The nickel salt is nickel nitrate, nickel acetate, nickelous carbonate or nickel oxalate；The cobalt salt is cobalt nitrate, second
Sour cobalt, cobalt carbonate or cobalt oxalate；The precipitating reagent is hexa；Nickel salt, cobalt salt, precipitating reagent and the deionization
The molar ratio of water is 1:2:3:266.67~355.56；
2) the resulting reaction solution of step 1) is centrifuged, it is 3000~3500r/min, time that centrifugal process, which controls centrifugal rotational speed,
For 20~30min, after solid content deionized water and dehydrated alcohol after centrifugation wash 2~5 times respectively, controlled at 60~
90 DEG C of drying, obtain powder-mixed presoma；
3) the resulting powder-mixed presoma of step 2 is heat-treated in air atmosphere, heat treatment temperature is 290~310
DEG C, the time is 2~3h, obtains NiCo2O4Material.
2. a kind of preparation method of cobalt acid nickel as described in claim 1, it is characterised in that: nickel salt in step (1), cobalt salt, heavy
The molar ratio of shallow lake agent and deionized water is 1:2:3:333.34.
3. a kind of preparation method of cobalt acid nickel as claimed in claim 1 or 2, it is characterised in that: hydro-thermal reaction temperature in step (1)
Degree is 100 DEG C, the hydro-thermal reaction time 6h, and the drying temperature control in step (2) is 70 DEG C.
4. using application of the cobalt acid nickel of method of claim 1 preparation in the negative electrode material of chargeable lithium ion battery.
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Cited By (5)
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| CN109734136A (en) * | 2019-02-08 | 2019-05-10 | 桂林理工大学 | Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide |
| CN110732333A (en) * | 2019-10-29 | 2020-01-31 | 深圳大学 | Preparation method of electrocatalytic material, electrocatalytic material and application thereof |
| CN111908522A (en) * | 2020-09-01 | 2020-11-10 | 上海应用技术大学 | Three-dimensional prismatic nickel cobaltate/silicon dioxide nano composite material and preparation method thereof |
| CN112746174A (en) * | 2020-12-30 | 2021-05-04 | 西安建筑科技大学 | Method for recovering nickel and cobalt in waste ternary lithium ion battery |
| CN113201747A (en) * | 2021-03-26 | 2021-08-03 | 广州费舍尔人工智能技术有限公司 | Phosphorus-modified nickel cobaltate-modified carbon nanotube electrode catalyst |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734136A (en) * | 2019-02-08 | 2019-05-10 | 桂林理工大学 | Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide |
| CN110732333A (en) * | 2019-10-29 | 2020-01-31 | 深圳大学 | Preparation method of electrocatalytic material, electrocatalytic material and application thereof |
| CN111908522A (en) * | 2020-09-01 | 2020-11-10 | 上海应用技术大学 | Three-dimensional prismatic nickel cobaltate/silicon dioxide nano composite material and preparation method thereof |
| CN111908522B (en) * | 2020-09-01 | 2022-10-14 | 上海应用技术大学 | Three-dimensional prismatic nickel cobaltate/silicon dioxide nano composite material and preparation method thereof |
| CN112746174A (en) * | 2020-12-30 | 2021-05-04 | 西安建筑科技大学 | Method for recovering nickel and cobalt in waste ternary lithium ion battery |
| CN113201747A (en) * | 2021-03-26 | 2021-08-03 | 广州费舍尔人工智能技术有限公司 | Phosphorus-modified nickel cobaltate-modified carbon nanotube electrode catalyst |
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Application publication date: 20181204 |