CN109192981A - A kind of three nickel positive electrode of foam curing and the preparation method and application thereof - Google Patents
A kind of three nickel positive electrode of foam curing and the preparation method and application thereof Download PDFInfo
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- CN109192981A CN109192981A CN201811019044.3A CN201811019044A CN109192981A CN 109192981 A CN109192981 A CN 109192981A CN 201811019044 A CN201811019044 A CN 201811019044A CN 109192981 A CN109192981 A CN 109192981A
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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
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
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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
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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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
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Abstract
The invention discloses a kind of three nickel positive electrodes of foam curing and the preparation method and application thereof, and by nickel foam thin slice, successively ultrasound is cleaned in dehydrated alcohol, and ultrasound is cleaned in dilute hydrochloric acid solution, are finally placed in ultrasound in pure water and clean；Clean nickel foam thin slice is placed in hydrothermal reaction kettle, and thioacetyl amine aqueous solution is added, and is warming up to 120~180 DEG C, keeps the temperature 12~20 hours；Take out nickel foam thin slice be cooled to room temperature, it is vacuum dried to obtain the final product.The present invention directly goes out three nickel positive electrode of curing on the surface of nickel foam and growth inside by one step hydro thermal method, avoids the side reaction of collector, conductive agent, binder and il electrolyte；Excellent cycle performance and high-energy density are possessed using the aluminium ion battery that the three nickel positive electrode of foam curing that the present invention is prepared is matched with Al negative electrode material.
Description
Technical field
The present invention relates to a kind of three nickel positive electrodes of foam curing and the preparation method and application thereof, belong to electrochmical power source skill
Art field.
Background technique
Lithium ion battery (LIBs) is in energy storage device and system (including portable electronic device, electric car
And power grid) in achieve huge success, however, due to lithium resource is limited, at high cost, safety is bad etc., lithium at present
The application of ion battery still has very big challenge.At present about the exploration emphasis of secondary cell be put into developing low-cost,
The battery of high security, high-energy density, such as sodium-ion battery, Magnesium ion battery and aluminium ion battery.Wherein, aluminium ion battery
(AIB) it is concerned.Compared with lithium ion battery, aluminium rich reserves can be directly used as Electrode Negative, cheap, safer.
Importantly, Al3+Due to its trivalent property, it displaced three electronics in electrochemical reaction, which results in aluminium ion batteries
Height ratio capacity (2980Ah kg-1).However, some critical issues are urgently to be resolved, most important one is exactly to find suitably just
Pole material.There is low (the about 100mhg of energy density for most of AIB positive electrodes-1), the problem of long-term cycle stability difference,
Therefore the positive electrode of research high capacity high stability is still challenging.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of high capacity, high stability
Aluminium ion cell positive material and the preparation method and application thereof.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is as follows:
A kind of preparation method of three nickel positive electrode of foam curing, includes the following steps:
Step 1: taking nickel foam thin slice, successively ultrasound is cleaned in dehydrated alcohol, and ultrasound is cleaned in dilute hydrochloric acid solution,
Ultrasound in pure water is finally placed in clean；
Step 2: the nickel foam thin slice that step 1 is cleaned is placed in hydrothermal reaction kettle, and thioacetyl amine aqueous solution is added, and is risen
Temperature keeps the temperature 12~20 hours to 120~180 DEG C；
Step 3: take out nickel foam thin slice be cooled to room temperature, it is vacuum dried to obtain the final product.
In step 1, the nickel foam thin slice is the circular piece or square plate of 1~2mm of thickness, and the diameter of circular piece is
1.0~1.4cm, the side length of square plate are 1.8~2.2cm；It is preferred that diameter is the circular shaped foam nickel thin slice of 1.2cm.
Preferably, the time for using dehydrated alcohol to be cleaned by ultrasonic, ultrasonic power 200W was steeped for 10~30min with washing away
The acid of organic matter, inorganic contaminants on foam nickel and remnants.
The concentration of the dilute hydrochloric acid solution is 1~3mol/L, the time for using dilute hydrochloric acid solution to be cleaned by ultrasonic for 10~
15min, ultrasonic power 200W to wash away the oxide impurity in nickel foam, while can carry out acid activation to nickel foam, increase
The specific surface area of big hydro-thermal reaction
For the ultrasonic power for using pure water to be cleaned by ultrasonic for 200W, each scavenging period is 10~30min, is at least cleaned 3 times,
To wash away remaining dilute hydrochloric acid.
Preferably, in step 2, the nickel foam thin slice is placed in hydrothermal reaction kettle in a manner of upward by convex surface, it is therefore an objective to
It allows the bigger more smooth concave surface of surface area to contact with solution, is conducive to the uniformity consistency of product.
The concentration of the thioacetyl amine aqueous solution be 0.1~1mmol/L, preferably 0.3mmol/L, thioacetyl amine aqueous solution
Additional amount is the 2/3 of the volume of hydrothermal reaction kettle.
In step 3, the vacuum drying temperature is 60~80 DEG C, and the time is 6~12h.
The three nickel positive electrode of foam curing that above-mentioned preparation method is prepared is also within protection scope of the present invention.
The application that the present invention also provides above-mentioned three nickel positive electrodes of foam curing in aluminium ion battery as anode, will
Above-mentioned three nickel positive electrode of foam curing and Al negative electrode material match to form aluminium ion battery.
The utility model has the advantages that
The present invention directly goes out three nickel positive electrode of curing on the surface of nickel foam and growth inside by one step hydro thermal method,
Avoid the side reaction of collector, conductive agent, binder and il electrolyte；The foam two being prepared using the present invention
Vulcanizing the aluminium ion battery that three nickel positive electrodes are matched with Al negative electrode material, to possess excellent cycle performance and high-energy close
Degree, has extended cycle life.
Specific embodiment
According to following embodiments, the present invention may be better understood.
Embodiment 1
(1) determining diameter with slitter is 1.2cm, with a thickness of the nickel foam disk of 2mm；
(2) it takes the nickel foam disk in 3 steps (1) to be put into 400 milliliters of dehydrated alcohols to be cleaned by ultrasonic, ultrasonic time is
20 minutes, ultrasonic power 200W；
(3) the nickel foam disk after step (2) alcohol is washed is put into 400 milliliters, concentration is in 2mol/L dilute hydrochloric acid solution
Ultrasonic cleaning, ultrasonic time are 15 minutes, ultrasonic power 200W；
(4) the nickel foam disk after step (3) pickling is put into 800 milliliters of pure water ultrasonic pure water, each ultrasonic time
It is 10~30 minutes, ultrasonic power 200W, ultrasonic number is 3 times or more；
(5) take out step (4) washing after nickel foam disk, by convex surface upward in a manner of be put into 150 milliliters of hydrothermal reaction kettles
In, each reaction kettle is put into piece of foam nickel disk, and 100 milliliters are added into hydrothermal reaction kettle, and concentration is 0.3mmol/L's
Thioacetyl amine aqueous solution, screws kettle cover, places it in electric heating constant-temperature blowing drying box, keeps the temperature 12 at 150 DEG C of set temperature
Hour；
(6) it after the nickel foam disk in taking-up step (5) is cooled to room temperature, is placed in electric vacunm drying case, vacuum item
Dry under part, set temperature is 60 DEG C, and soaking time is 12 hours.
Embodiment 2
(1) determining side length with slitter is 2cm, with a thickness of the nickel foam square plate of 2mm；
(2) it takes the nickel foam square plate in 3 steps (1) to be put into 400 milliliters of dehydrated alcohols to be cleaned by ultrasonic, ultrasonic time
It is 20 minutes, ultrasonic power 200W；
(3) the nickel foam square plate after step (2) alcohol is washed is put into 400 milliliters, concentration is 2mol/L dilute hydrochloric acid solution
Middle ultrasonic cleaning, ultrasonic time are 15 minutes, ultrasonic power 200W；
(4) the nickel foam square plate after step (3) pickling is put into 800 milliliters of pure water ultrasonic pure water, every time when ultrasound
Between be 10~30 minutes, ultrasonic power 200W, ultrasonic number be 3 times or more；
(5) take out step (4) washing after nickel foam square plate, by convex surface upward in a manner of be put into 150 milliliters of hydro-thermal reactions
In kettle, each reaction kettle is put into piece of foam nickel square plate, and 100 milliliters are added into hydrothermal reaction kettle, and concentration is
The thioacetyl amine aqueous solution of 0.3mmol/L, screws kettle cover, places it in electric heating constant-temperature blowing drying box, in set temperature 150
12 hours are kept the temperature at DEG C；
(6) it after the nickel foam square plate in taking-up step (5) is cooled to room temperature, is placed in electric vacunm drying case, vacuum
Under the conditions of it is dry, set temperature is 60 DEG C, and soaking time is 12 hours.
Embodiment 3
(1) determining diameter with slitter is 1.2cm, with a thickness of the nickel foam disk of 2mm；
(2) it takes the nickel foam disk in 3 steps (1) to be put into 400 milliliters of dehydrated alcohols to be cleaned by ultrasonic, ultrasonic time is
20 minutes, ultrasonic power 200W；
(3) the nickel foam disk after step (2) alcohol is washed is put into 400 milliliters, concentration is in 2mol/L dilute hydrochloric acid solution
Ultrasonic cleaning, ultrasonic time are 15 minutes, ultrasonic power 200W；
(4) the nickel foam disk after step (3) pickling is put into 800 milliliters of pure water ultrasonic pure water, each ultrasonic time
It is 10~30 minutes, ultrasonic power 200W, ultrasonic number is 3 times or more；
(5) take out step (4) washing after nickel foam disk, by convex surface upward in a manner of be put into 150 milliliters of hydrothermal reaction kettles
In, each reaction kettle is put into piece of foam nickel disk, and 100 milliliters are added into hydrothermal reaction kettle, and concentration is 0.1mmol/L's
Thioacetyl amine aqueous solution, screws kettle cover, places it in electric heating constant-temperature blowing drying box, keeps the temperature 12 at 150 DEG C of set temperature
Hour；
(6) it after the nickel foam disk in taking-up step (5) is cooled to room temperature, is placed in electric vacunm drying case, vacuum item
Dry under part, set temperature is 60 DEG C, and soaking time is 12 hours.
Embodiment 4
(1) determining diameter with slitter is 1.2cm, with a thickness of the nickel foam disk of 2mm；
(2) it takes the nickel foam disk in 3 steps (1) to be put into 400 milliliters of dehydrated alcohols to be cleaned by ultrasonic, ultrasonic time is
20 minutes, ultrasonic power 200W；
(3) the nickel foam disk after step (2) alcohol is washed is put into 400 milliliters, concentration is in 2mol/L dilute hydrochloric acid solution
Ultrasonic cleaning, ultrasonic time are 15 minutes, ultrasonic power 200W；
(4) the nickel foam disk after step (3) pickling is put into 800 milliliters of pure water ultrasonic pure water, each ultrasonic time
It is 10~30 minutes, ultrasonic power 200W, ultrasonic number is 3 times or more；
(5) take out step (4) washing after nickel foam disk, by convex surface upward in a manner of be put into 150 milliliters of hydrothermal reaction kettles
In, each reaction kettle is put into piece of foam nickel disk and answers 100 milliliters of addition in kettle, and concentration is that the thioacetamide of 1mmol/L is molten
Liquid screws kettle cover, places it in electric heating constant-temperature blowing drying box, keeps the temperature 12 hours at 150 DEG C of set temperature；
(6) it after the nickel foam disk in taking-up step (5) is cooled to room temperature, is placed in electric vacunm drying case, vacuum item
Dry under part, set temperature is 60 DEG C, and soaking time is 12 hours.
Embodiment 5
(1) determining diameter with slitter is 1.2cm, with a thickness of the nickel foam disk of 2mm；
(2) it takes the nickel foam disk in 3 steps (1) to be put into 400 milliliters of dehydrated alcohols to be cleaned by ultrasonic, ultrasonic time is
20 minutes, ultrasonic power 200W；
(3) the nickel foam disk after step (2) alcohol is washed is put into 400 milliliters, concentration is in 2mol/L dilute hydrochloric acid solution
Ultrasonic cleaning, ultrasonic time are 15 minutes, ultrasonic power 200W；
(4) the nickel foam disk after step (3) pickling is put into 800 milliliters of pure water ultrasonic pure water, each ultrasonic time
It is 10~30 minutes, ultrasonic power 200W, ultrasonic number is 3 times or more；
(5) take out step (4) washing after nickel foam disk, by convex surface upward in a manner of be put into 150 milliliters of hydrothermal reaction kettles
In, each reaction kettle is put into piece of foam nickel disk, and 100 milliliters are added into hydrothermal reaction kettle, and concentration is 0.3mmol/L's
Thioacetyl amine aqueous solution, screws kettle cover, places it in electric heating constant-temperature blowing drying box, keeps the temperature 20 at 120 DEG C of set temperature
Hour；
(6) it after the nickel foam disk in taking-up step (5) is cooled to room temperature, is placed in electric vacunm drying case, vacuum item
Dry under part, set temperature is 80 DEG C, and soaking time is 6 hours.
Embodiment 6
(1) determining diameter with slitter is 1.2cm, with a thickness of the nickel foam disk of 2mm；
(2) it takes the nickel foam disk in 3 steps (1) to be put into 400 milliliters of dehydrated alcohols to be cleaned by ultrasonic, ultrasonic time is
20 minutes, ultrasonic power 200W；
(3) the nickel foam disk after step (2) alcohol is washed is put into 400 milliliters, concentration is in 2mol/L dilute hydrochloric acid solution
Ultrasonic cleaning, ultrasonic time are 15 minutes, ultrasonic power 200W；
(4) the nickel foam disk after step (3) pickling is put into 800 milliliters of pure water ultrasonic pure water, each ultrasonic time
It is 10~30 minutes, ultrasonic power 200W, ultrasonic number is 3 times or more；
(5) take out step (4) washing after nickel foam disk, by convex surface upward in a manner of be put into 150 milliliters of hydrothermal reaction kettles
In, each reaction kettle is put into piece of foam nickel disk, and 100 milliliters are added into hydrothermal reaction kettle, and concentration is 0.3mmol/L's
Thioacetyl amine aqueous solution, screws kettle cover, places it in electric heating constant-temperature blowing drying box, keeps the temperature 12 at 180 DEG C of set temperature
Hour；
(6) it after the nickel foam disk in taking-up step (5) is cooled to room temperature, is placed in electric vacunm drying case, vacuum item
Dry under part, set temperature is 60 DEG C, and soaking time is 10 hours.
As anode, cut out diameter is the three nickel disk of foam curing that embodiment 1,3~6 is prepared
The high-purity Al disk (with a thickness of 0.02mm) of 1.2cm is used as corresponding cathode, ionic liquid (molar ratio AlCl3: [EMIm] Cl=
It 1.3:1) is electrolyte, using Whatmann company GF/D fibreglass diaphragm, in the glove box ([O for being full of argon gas2]<
0.1ppm,[H2O] < 0.1ppm) in be assembled into CR2032 button cell, each battery contains 50 microlitres of electrolyte.
For the three nickel square plate of foam curing that embodiment 2 is prepared as anode, cutting out side length is the high-purity of 2cm
Al square plate (with a thickness of 0.02mm) is used as corresponding cathode, ionic liquid (molar ratio AlCl3: [EMIm] Cl=1.3:1) be
Electrolyte, using Whatmann company GF/D fibreglass diaphragm, using nickel as positive pole ear, aluminium as negative lug,
Glove box ([O full of argon gas2]<0.1ppm,[H2O] < 0.1ppm) in be assembled into soft-package battery, each battery contains electrolyte 150
Microlitre.
Performance detection is carried out using battery test system to aluminium ion battery made above, test voltage window is
0.05-2V the results are shown in Table 1.Wherein, coulombic efficiency refers to the ratio between discharge capacity and charging capacity；Stablize circulating ring number and refers to that battery is steady
The number of fixed charge and discharge and the discharge capacity for keeping 100mAh/g or more, completes primary charging and discharging process and is counted as a circle；
Discharge capacity 1 refers to discharge capacity of the battery under the current density of 100mA/g；Discharge capacity 2 refers to battery in the electric current of 200mA/g
Discharge capacity under density
Table 1
As can be seen from the table, the soft-package battery of the button cell of comparison disk composition and square piece composition, disk
The button cell of composition is preferred；Compare thioacetamide solution concentration 0.1,0.3 and 1mmol/L, 0.3mmol/L thioacetyl
Amine aqueous solution is preferred；120,150 and 180 DEG C of hydro-thermal reaction set temperature of comparison, 150 DEG C of hydro-thermal reaction set temperatures are preferred.
In summary, it should which preferred disk is assembled into the thioacetyl amine aqueous solution of button cell, 0.3mmol/L, the work kept the temperature at 150 DEG C
Skill.
The present invention provides the thinking and method of a kind of three nickel positive electrode of foam curing and the preparation method and application thereof,
There are many method and the approach for implementing the technical solution, the above is only a preferred embodiment of the present invention, it is noted that
For those skilled in the art, without departing from the principle of the present invention, several change can also be made
Into and retouching, these modifications and embellishments should also be considered as the scope of protection of the present invention.Each component part being not known in the present embodiment
The available prior art is realized.
Claims (10)
1. a kind of preparation method of three nickel positive electrode of foam curing, which comprises the steps of:
Step 1: taking nickel foam thin slice, successively ultrasound is cleaned in dehydrated alcohol, and ultrasound is cleaned in dilute hydrochloric acid solution, finally
Ultrasound in pure water is placed in clean；
Step 2: the nickel foam thin slice that step 1 is cleaned is placed in hydrothermal reaction kettle, and thioacetyl amine aqueous solution is added, is warming up to
120~180 DEG C, keep the temperature 12~20 hours；
Step 3: take out nickel foam thin slice be cooled to room temperature, it is vacuum dried to obtain the final product.
2. a kind of preparation method of three nickel positive electrode of foam curing according to claim 1, which is characterized in that step
In one, the nickel foam thin slice is the circular piece or square plate of 1~2mm of thickness, and the diameter of circular piece is 1.0~1.4cm, side
The side length of shape piece is 1.8~2.2cm.
3. a kind of preparation method of three nickel positive electrode of foam curing according to claim 1, which is characterized in that step
In one, use the time of dehydrated alcohol ultrasonic cleaning for 10~30min, ultrasonic power 200W.
4. a kind of preparation method of three nickel positive electrode of foam curing according to claim 1, which is characterized in that step
In one, the concentration of the dilute hydrochloric acid solution is 1~3mol/L, uses the time of dilute hydrochloric acid solution ultrasonic cleaning for 10~15min,
Ultrasonic power is 200W.
5. a kind of preparation method of three nickel positive electrode of foam curing according to claim 1, which is characterized in that step
In one, use pure water ultrasonic cleaning ultrasonic power for 200W, each scavenging period is 10~30min.
6. a kind of preparation method of three nickel positive electrode of foam curing according to claim 1, which is characterized in that step
In two, the nickel foam thin slice is placed in hydrothermal reaction kettle in a manner of upward by convex surface.
7. a kind of preparation method of three nickel positive electrode of foam curing according to claim 1, which is characterized in that step
In two, the concentration of the thioacetyl amine aqueous solution is 0.1~1mmol/L, and additional amount is the 2/3 of the volume of hydrothermal reaction kettle.
8. a kind of preparation method of three nickel positive electrode of foam curing according to claim 1, which is characterized in that step
In three, the vacuum drying temperature is 60~80 DEG C, and the time is 6~12h.
9. the three nickel positive electrode of foam curing that any one of claim 1~8 preparation method is prepared.
10. application of the three nickel positive electrode of foam curing described in claim 9 in aluminium ion battery as anode.
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| CN109817475A (en) * | 2019-01-18 | 2019-05-28 | 三峡大学 | The preparation method and applications of bismuth sulfide nickel positive electrode |
| CN110217834A (en) * | 2019-06-26 | 2019-09-10 | 五邑大学 | A kind of ultrasound preparation Ni3S2The method of energy storage electrode material |
| CN110391088A (en) * | 2019-08-22 | 2019-10-29 | 青岛科技大学 | A kind of preparation method of nickel-based super capacitor electrode material |
| CN110518235A (en) * | 2019-07-15 | 2019-11-29 | 广东工业大学 | A kind of three nickel electrode of self-supporting curing and its preparation method and application |
| CN112133886A (en) * | 2020-08-12 | 2020-12-25 | 南昌航空大学 | Preparation method and application of in-situ integrated electrode for alkali ion battery |
| CN112382743A (en) * | 2020-11-09 | 2021-02-19 | 上海空间电源研究所 | Flexible copper sulfide composite electrode, preparation method thereof and magnesium-based secondary battery comprising flexible copper sulfide composite electrode |
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Cited By (11)
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|---|---|---|---|---|
| CN109817475A (en) * | 2019-01-18 | 2019-05-28 | 三峡大学 | The preparation method and applications of bismuth sulfide nickel positive electrode |
| CN109817475B (en) * | 2019-01-18 | 2020-10-09 | 三峡大学 | Preparation method and application of bismuth-nickel sulfide positive electrode material |
| CN110217834A (en) * | 2019-06-26 | 2019-09-10 | 五邑大学 | A kind of ultrasound preparation Ni3S2The method of energy storage electrode material |
| CN110217834B (en) * | 2019-06-26 | 2022-03-04 | 五邑大学 | Ultrasonic preparation of Ni3S2Method for preparing energy storage electrode material |
| CN110518235A (en) * | 2019-07-15 | 2019-11-29 | 广东工业大学 | A kind of three nickel electrode of self-supporting curing and its preparation method and application |
| CN110518235B (en) * | 2019-07-15 | 2022-11-04 | 广东工业大学 | Self-supporting trinickel disulfide electrode and preparation method and application thereof |
| CN110391088A (en) * | 2019-08-22 | 2019-10-29 | 青岛科技大学 | A kind of preparation method of nickel-based super capacitor electrode material |
| CN110391088B (en) * | 2019-08-22 | 2020-10-30 | 青岛科技大学 | Preparation method of nickel-based supercapacitor electrode material |
| CN112133886A (en) * | 2020-08-12 | 2020-12-25 | 南昌航空大学 | Preparation method and application of in-situ integrated electrode for alkali ion battery |
| CN112133886B (en) * | 2020-08-12 | 2022-09-30 | 南昌航空大学 | Preparation method and application of in-situ integrated electrode for alkali ion battery |
| CN112382743A (en) * | 2020-11-09 | 2021-02-19 | 上海空间电源研究所 | Flexible copper sulfide composite electrode, preparation method thereof and magnesium-based secondary battery comprising flexible copper sulfide composite electrode |
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