CN110212199A - A kind of conducting matrix grain and preparation method thereof - Google Patents

A kind of conducting matrix grain and preparation method thereof Download PDF

Info

Publication number
CN110212199A
CN110212199A CN201910460025.2A CN201910460025A CN110212199A CN 110212199 A CN110212199 A CN 110212199A CN 201910460025 A CN201910460025 A CN 201910460025A CN 110212199 A CN110212199 A CN 110212199A
Authority
CN
China
Prior art keywords
nickel foam
presoma
coated
foam
conducting matrix
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
CN201910460025.2A
Other languages
Chinese (zh)
Inventor
郭萍梅
黄高旭
梁济元
刘翠
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.)
Jianghan University
Original Assignee
Jianghan 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 Jianghan University filed Critical Jianghan University
Priority to CN201910460025.2A priority Critical patent/CN110212199A/en
Publication of CN110212199A publication Critical patent/CN110212199A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/80—Porous plates, e.g. sintered carriers
    • H01M4/808—Foamed, spongy materials
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • 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 present invention provides a kind of conducting matrix grains and preparation method thereof, comprising the following steps: is dried after cleaning up nickel foam；The reaction solution for configuring cobalt nitrate and urea, obtains presoma；Nickel foam is put into reaction solution, coats presoma in nickel foam with solvent-thermal method；The nickel foam for being coated with presoma is taken out, is cleaned and dried；The nickel foam for being coated with presoma after calcining is dry, the nickel foam for obtaining being coated with cobaltosic oxide nano piece is since conducting matrix grain is the external sheath cobaltosic oxide nano piece of nickel foam, cobaltosic oxide nano piece can improve the close lithium and specific surface area of nickel foam, be conducive to faster melt and fill lithium, and the nickel foam for being coated with cobaltosic oxide nano piece can slow down the volume expansion of cathode of lithium as the frame material of lithium metal, inhibit the growth of Li dendrite, so that the extended shelf life of battery, has good practicability.

Description

A kind of conducting matrix grain and preparation method thereof
Technical field
The present invention relates to technical field of energy storage, and in particular to a kind of conducting matrix grain and preparation method thereof.
Background technique
Currently, the fast development of movable equipment, electric car and smart grid make high-energy density secondary battery by To a large amount of concern and research, wherein lithium metal is considered as electrochemistry due to its height ratio capacity and low reduction potential One of most promising negative electrode material of energy storage.But lithium anode reactivity is high, easily occurs with electrolyte secondary anti- It answers；It is also easy to generate Li dendrite and dead lithium, Li dendrite is produced due to the non-uniform distribution of charges of electrode surface and volume expansion Raw, once dendrite, which pierces through diaphragm, will lead to battery short circuit, causes a series of safety such as thermal runaway and battery catches fire explosion and ask Topic；Dead lithium then will increase the internal resistance of cell and in-fighting, reduce battery energy density；It is unlimited to occur when lithium metal is as negative electrode material Volume expansion, thus cause SEI film constantly to rupture and repair, lithium metal and electrolyte reacts, and consumes inside battery Limited lithium source causes the coulombic efficiency of battery to reduce.
Summary of the invention
Technical problem to be solved by the present invention lies in overcome the deficiencies of the prior art and provide a kind of can effectively alleviate lithium The volume expansion of cathode inhibits the conducting matrix grain of dendritic growth and preparation method thereof of the cathode of lithium in charge and discharge process.
In order to achieve the above purpose, present invention employs the following technical solutions:
The embodiment provides a kind of preparation methods of conducting matrix grain, comprising the following steps:
It is dried after nickel foam is cleaned up；
The reaction solution for configuring cobalt nitrate and urea, obtains presoma；
Nickel foam is put into reaction solution, coats presoma in nickel foam with solvent-thermal method；
The nickel foam for being coated with presoma is taken out, is cleaned and dried；
The nickel foam for being coated with presoma after calcining is dry, obtains conducting matrix grain.
Optionally, it is dried and specifically includes after nickel foam being cleaned up:
Nickel foam is successively immersed to acetone, ethyl alcohol, hydrochloric acid, is cleaned by ultrasonic in deionized water；
Nickel foam after cleaning is put into drying oven dry.
Optionally, the reaction solution for configuring cobalt nitrate and urea, obtains presoma and specifically includes:
Cobalt nitrate and urea are dissolved in the mixed solution of methanol and ethyl alcohol, obtain reaction solution；
Magnetic agitation reaction solution, obtains presoma.
Optionally, nickel foam is put into reaction solution, coats presoma in nickel foam with solvent-thermal method and specifically includes:
Nickel foam is put into reaction solution；
Reaction solution is put into reaction kettle；
Reaction kettle is put into 95 DEG C of baking ovens；
Reaction obtains the nickel foam for being coated with presoma.
Optionally, nickel foam is placed in reaction solution vertically.
Optionally, the nickel foam for being coated with presoma is taken out, cleaning-drying is carried out and specifically includes:
It is rinsed after the nickel foam for being coated with presoma is taken out with deionized water and ethyl alcohol；
The nickel foam for being coated with presoma rinsed is put into 60 DEG C of baking ovens dry.
Optionally, the nickel foam for being coated with presoma after calcining is dry specifically includes:
The nickel foam for being coated with presoma after drying is put into tube furnace；
The temperature of tube furnace is warming up to 350 DEG C with the heating rate of 2 DEG C/min；
Calcining is coated with the nickel foam 3h of presoma.
The embodiments of the present invention also provide a kind of conducting matrix grain, including foam nickel layer and cobaltosic oxide nano lamella, Cobaltosic oxide nano lamella is coated on outside foam nickel layer.
A kind of conducting matrix grain provided by the invention and preparation method thereof, due to the external sheath four that conducting matrix grain is nickel foam Co 3 O nanometer sheet, cobaltosic oxide nano piece can improve the close lithium and specific surface area of nickel foam, be conducive to faster Melting fills lithium, and the nickel foam for being coated with cobaltosic oxide nano piece can slow down cathode of lithium as the frame material of lithium metal Volume expansion inhibits the growth of Li dendrite, so that the extended shelf life of battery, has good practicability.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the preparation method flow chart of conducting matrix grain of the invention；
Fig. 2 is the microstructure schematic diagram of conducting matrix grain of the invention；
Fig. 3 is the X ray diffracting spectrum of conducting matrix grain of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Fig. 1 is the preparation method flow chart of conducting matrix grain of the invention, as shown in Figure 1, the conducting matrix grain of the present embodiment Preparation method, comprising the following steps:
S01, it is dried after cleaning up nickel foam；
In the step S01 of the present embodiment, the nickel foam (NF) of a slip gauge then is first chosen, then cleans up nickel foam After be dried.Its process cleaned specifically includes: nickel foam successively being immersed to acetone, ethyl alcohol, hydrochloric acid, is carried out in deionized water Ultrasonic cleaning, the time of ultrasonic cleaning are 15min；After the completion of ultrasonic cleaning, nickel foam is taken out from deionized water, is then put Enter in drying oven and be dried, spare clean nickel foam lamella can be obtained after the completion of dry.
S02, the reaction solution for configuring cobalt nitrate and urea, obtain presoma；
In the step S02 of the present embodiment, need to prepare using the nickel foam after drying as substrate on the surface of nickel foam The material of nanoscale twins, nanoscale twins is cobaltosic oxide, and therefore, it is necessary to the surfaces of present nickel foam to prepare nanoscale twins Presoma is the outer surface that presoma is coated on nickel foam, so that cobaltosic oxide nano lamella is obtained, therefore, by nickel foam As substrate, it is also necessary to prepare presoma.
Specifically, first weigh certain mol proportion by cobalt nitrate (Co (NO3)26H2O) and urea, by cobalt nitrate and urea Mixing, is then dissolved in methanol and ethyl alcohol for cobalt nitrate and urea with the methanol of certain volume ratio and the mixed solution of ethyl alcohol again Mixed solution in, obtain reaction solution；Cobalt nitrate and urea, which are used as, prepares cobaltosic oxide (Co3O4) reactant, certain Under conditions of will generate the outer surface that cobaltosic oxide is coated on nickel foam.After having prepared reaction solution, magnetic agitation reaction Solution can obtain presoma, and mixing time can be determine according to actual needs.
S03, nickel foam is put into reaction solution, coats presoma in nickel foam with solvent-thermal method.
In the step S03 of the present embodiment, nickel foam and presoma all have been prepared for completing, and need for presoma to be coated on The outer surface of nickel foam, at this time, it is only necessary to nickel foam is put into reaction solution, reaction solution is then transferred to reaction kettle In, reaction kettle is put into baking oven, the temperature of baking oven is controlled at 95 DEG C, so that the reaction of cobalt nitrate and urea is more thorough, it is preceding Driving body can be uniformly coated on the surface of nickel foam.
It is worth noting that, in order to make nickel foam two sides all be coated with presoma, nickel foam needs to be placed on reaction vertically In solution, come into full contact with the two sides of nickel foam all with reaction solution.
S04, taking-up are coated with the nickel foam of presoma, are cleaned and dried.
In the step S04 of the present embodiment, the nickel foam for being coated with presoma needs further drying process, meanwhile, It needs further to obtain cobaltosic oxide nano lamella by precursor preparation.Specifically, the bubble of presoma will be coated with first Foam nickel is rinsed after taking out with deionized water and ethyl alcohol, by the methanol and ethyl alcohol and other influences cobaltosic oxide in reaction solution The impurity of nanoscale twins degree of purity all cleans up, and washing time can be chosen according to actual needs, the packet that will then rinse The nickel foam for being covered with presoma is put into drying in 60 DEG C of baking ovens, removes whole moisture.
The nickel foam for being coated with presoma after S05, calcining are dry, obtains conducting matrix grain.
In the step S05 of the present embodiment, the nickel foam for being coated with presoma after the completion of drying can be carried out at calcining Reason, is forged specifically, the nickel foam for being coated with presoma after drying is placed in tube furnace and is warming up to 350 DEG C under air atmosphere It burns, and keeps the temperature a period of time, presoma is thoroughly reacted with oxygen at high temperature, generate cobaltosic oxide nano piece packet The outer surface of nickel foam, cobaltosic oxide nano piece and nickel foam bind lines are overlayed on into required conducting matrix grain (Co3O4-NF)。
Fig. 2 is the microstructure schematic diagram of conducting matrix grain of the invention, as shown in Fig. 2, conducting matrix grain includes foam nickel layer With cobaltosic oxide nano lamella, nickel foam layer surface is coated with the cobaltosic oxide nano lamella of vertical-growth, and four oxygen Changing three cobalt nanoscale twins is cavernous structure.
Embodiment 2
As the another embodiment of this specification, unlike the first embodiment, in the step S01 of the present embodiment, first Choose the nickel foam (NF) of a slip gauge then, nickel foam with a thickness of 1mm, the size of nickel foam is 2.5 × 5cm, in the present embodiment On the basis of, the size for the battery that can be assembled as needed in actual production chooses the thickness and size of nickel foam.
In the step S02 of the present embodiment, the molar ratio of cobalt nitrate and urea is 1:2, and the volume ratio of methanol and ethyl alcohol is 1:1, the time of magnetic agitation are 30min.Can be selected as needed on the basis of the present embodiment, in actual production cobalt nitrate and The volume ratio of the molar ratio of urea, methanol and ethyl alcohol and the time of magnetic agitation.
In the step S03 of the present embodiment, when reaction in an oven a length of 12h.
In the step S05 of the present embodiment, the nickel foam for being coated with presoma after drying is placed in tube furnace in sky Temperature with the heating rate of 2 DEG C/min is warming up to 350 DEG C of calcinings under enclosing by atmosphere, and keeps the temperature calcining 3 hours, generates four oxidations three Cobalt nanometer sheet is coated on the outer surface of nickel foam, cobaltosic oxide nano piece and nickel foam bind lines into required conductive bone Frame.
The conducting matrix grain of the present embodiment and nickel foam are subjected to X-ray diffraction, referring to figure 3., Fig. 3 is conduction of the invention The conducting matrix grain of the present embodiment and nickel foam are carried out X-ray diffraction photograph by the X ray diffracting spectrum of skeleton under a different angle It penetrates, to obtain the variation of the conducting matrix grain of the present embodiment and the diffracted intensity of nickel foam, can be obtained from X ray diffracting spectrum Arrive: for the conducting matrix grain sample of the present embodiment, other than three sharp diffraction maximums of nickel foam, there are also cobaltosic oxides Diffraction maximum, and the changing rule of diffraction maximum is consistent, illustrates the pure crystalline phase that cobaltosic oxide is coated in nickel foam.
Embodiment 3
As the another embodiment of this specification, as different from Example 2, in the step S03 of the present embodiment, The nickel foam for being coated with cobaltosic oxide nano piece that a length of 8h is obtained when reaction in baking oven, wherein cobaltosic oxide nano piece It is more loose than the cobaltosic oxide nano piece in embodiment 2.
Embodiment 4
As the another embodiment of this specification, as different from Example 2, in the step S03 of the present embodiment, The nickel foam for being coated with cobaltosic oxide nano piece that a length of 16h is obtained when reaction in baking oven, wherein cobaltosic oxide nano Piece is finer and close than the cobaltosic oxide nano piece in embodiment 2.
To sum up, the embodiment of the invention provides a kind of conducting matrix grains and preparation method thereof, since conducting matrix grain is nickel foam External sheath cobaltosic oxide nano piece, cobaltosic oxide nano piece can improve the close lithium and specific surface area of nickel foam, have Lithium is filled conducive to faster melting, and is coated with frame material energy of the nickel foam as lithium metal of cobaltosic oxide nano piece The volume expansion for slowing down cathode of lithium inhibits the growth of Li dendrite, so that the extended shelf life of battery, has practical well Property.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims It is interior.In some cases, the movement recorded in detail in the claims or step can be come according to the sequence being different from embodiment It executes and desired result still may be implemented.In addition, process depicted in the drawing not necessarily require show it is specific suitable Sequence or consecutive order are just able to achieve desired result.In some embodiments, multitasking and parallel processing be also can With or may be advantageous.
It should be pointed out that for those skilled in the art, under the premise of not departing from the application principle, Several improvements and modifications can also be made, these improvements and modifications also should be regarded as the protection scope of the application.

Claims (8)

1. a kind of preparation method of conducting matrix grain, which comprises the following steps:
It is dried after nickel foam is cleaned up；
The reaction solution for configuring cobalt nitrate and urea, obtains presoma；
The nickel foam is put into the reaction solution, coats the presoma in the nickel foam with solvent-thermal method；
The nickel foam for being coated with the presoma is taken out, is cleaned and dried；
The nickel foam for being coated with the presoma after calcining is dry, obtains the conducting matrix grain, the conducting matrix grain packet Foam nickel layer and cobaltosic oxide nano lamella are included, the cobaltosic oxide nano lamella is coated on outside the foam nickel layer.
2. the preparation method of conducting matrix grain according to claim 1, which is characterized in that it is described nickel foam is cleaned up after Drying process specifically includes:
The nickel foam is successively immersed into acetone, ethyl alcohol, hydrochloric acid, is cleaned by ultrasonic in deionized water；
The nickel foam after cleaning is put into drying oven dry.
3. the preparation method of conducting matrix grain according to claim 1, which is characterized in that the configuration cobalt nitrate and urea Reaction solution obtains presoma and specifically includes:
The cobalt nitrate and the urea are dissolved in the mixed solution of methanol and ethyl alcohol, reaction solution is obtained；
Reaction solution described in magnetic agitation obtains the presoma.
4. the preparation method of conducting matrix grain according to claim 1, which is characterized in that described that the nickel foam is put into institute It states in reaction solution, coats the presoma in the nickel foam with solvent-thermal method and specifically include:
The nickel foam is put into the reaction solution；
The reaction solution is put into reaction kettle；
The reaction kettle is put into 95 DEG C of baking ovens；
Reaction obtains the nickel foam for being coated with the presoma.
5. the preparation method of conducting matrix grain according to claim 4, which is characterized in that the nickel foam is placed on institute vertically It states in reaction solution.
6. the preparation method of conducting matrix grain according to claim 1, which is characterized in that the taking-up is coated with the forerunner The nickel foam of body carries out cleaning-drying and specifically includes:
It is rinsed after the nickel foam for being coated with the presoma is taken out with deionized water and ethyl alcohol；
The nickel foam for being coated with the presoma rinsed is put into 60 DEG C of baking ovens dry.
7. the preparation method of conducting matrix grain according to claim 1, which is characterized in that being coated with after the calcining is dry The nickel foam of the presoma specifically includes:
The nickel foam for being coated with the presoma after drying is put into tube furnace；
The temperature of the tube furnace is warming up to 350 DEG C with the heating rate of 2 DEG C/min；
The nickel foam 3h of the presoma is coated with described in calcining.
8. a kind of conducting matrix grain, which is characterized in that including foam nickel layer and cobaltosic oxide nano lamella, the cobaltosic oxide Nanoscale twins are coated on outside the foam nickel layer.
CN201910460025.2A 2019-05-30 2019-05-30 A kind of conducting matrix grain and preparation method thereof Pending CN110212199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910460025.2A CN110212199A (en) 2019-05-30 2019-05-30 A kind of conducting matrix grain and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910460025.2A CN110212199A (en) 2019-05-30 2019-05-30 A kind of conducting matrix grain and preparation method thereof

Publications (1)

Publication Number Publication Date
CN110212199A true CN110212199A (en) 2019-09-06

Family

ID=67789537

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910460025.2A Pending CN110212199A (en) 2019-05-30 2019-05-30 A kind of conducting matrix grain and preparation method thereof

Country Status (1)

Country Link
CN (1) CN110212199A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115172757A (en) * 2021-04-01 2022-10-11 宁德时代新能源科技股份有限公司 Current collector and preparation method thereof, and secondary battery and device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160254528A1 (en) * 2015-02-26 2016-09-01 Board Of Regents, The University Of Texas System Two-dimensional nanosheets and methods of making and use thereof
CN106025302A (en) * 2016-07-18 2016-10-12 天津理工大学 Single-cell-thickness nano porous cobalt oxide nanosheet array electrocatalytic material
US20170170459A1 (en) * 2015-12-15 2017-06-15 Purdue Research Foundation Method of making electrodes containing carbon sheets decorated with nanosized metal particles and electrodes made therefrom
CN107146711A (en) * 2017-04-10 2017-09-08 华南理工大学 A kind of conductive substrates growth nano lamellar metal compound electrode material and its preparation and application
CN107337190A (en) * 2017-07-10 2017-11-10 佛山市利元合创科技有限公司 A kind of preparation method of the cobalt phosphate nickel grown in nickel foam of nano flower-like
CN108390014A (en) * 2018-01-08 2018-08-10 华南师范大学 The preparation method of foamed nickel supported different-shape cobalt black nano material
CN109411764A (en) * 2018-10-30 2019-03-01 东南大学 A kind of preparation method of the compound lithium an- ode collector of nickel oxide-nickel foam
CN109637826A (en) * 2018-12-14 2019-04-16 江苏科技大学 A kind of preparation method and applications of cobaltosic oxide-nickel oxide/grapheme foam combination electrode material
CN109718809A (en) * 2019-03-05 2019-05-07 中南大学 A kind of foamed nickel supported Ag doping cobaltosic oxide nano piece and its preparation method and application
CN109755476A (en) * 2019-03-15 2019-05-14 江汉大学 Lithium an- ode and preparation method thereof based on tin oxide cladding three-dimensional conductive skeleton

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160254528A1 (en) * 2015-02-26 2016-09-01 Board Of Regents, The University Of Texas System Two-dimensional nanosheets and methods of making and use thereof
US20170170459A1 (en) * 2015-12-15 2017-06-15 Purdue Research Foundation Method of making electrodes containing carbon sheets decorated with nanosized metal particles and electrodes made therefrom
CN106025302A (en) * 2016-07-18 2016-10-12 天津理工大学 Single-cell-thickness nano porous cobalt oxide nanosheet array electrocatalytic material
CN107146711A (en) * 2017-04-10 2017-09-08 华南理工大学 A kind of conductive substrates growth nano lamellar metal compound electrode material and its preparation and application
CN107337190A (en) * 2017-07-10 2017-11-10 佛山市利元合创科技有限公司 A kind of preparation method of the cobalt phosphate nickel grown in nickel foam of nano flower-like
CN108390014A (en) * 2018-01-08 2018-08-10 华南师范大学 The preparation method of foamed nickel supported different-shape cobalt black nano material
CN109411764A (en) * 2018-10-30 2019-03-01 东南大学 A kind of preparation method of the compound lithium an- ode collector of nickel oxide-nickel foam
CN109637826A (en) * 2018-12-14 2019-04-16 江苏科技大学 A kind of preparation method and applications of cobaltosic oxide-nickel oxide/grapheme foam combination electrode material
CN109718809A (en) * 2019-03-05 2019-05-07 中南大学 A kind of foamed nickel supported Ag doping cobaltosic oxide nano piece and its preparation method and application
CN109755476A (en) * 2019-03-15 2019-05-14 江汉大学 Lithium an- ode and preparation method thereof based on tin oxide cladding three-dimensional conductive skeleton

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BAOZHI YU等: "Nanoflake Arrays of Lithiophilic Metal Oxides for the Ultra-Stable Anodes of Lithium-Metal Batteries", 《ADVANCED FUNCTIONAL MATERIALS》 *
QI ZHANG 等: "Hierarchical Co3O4 nanostructures in-situ grown on 3D nickel foam towards toluene oxidation", 《MOLECULAR CATALYSIS》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115172757A (en) * 2021-04-01 2022-10-11 宁德时代新能源科技股份有限公司 Current collector and preparation method thereof, and secondary battery and device
CN115172757B (en) * 2021-04-01 2024-01-26 宁德时代新能源科技股份有限公司 Current collector, preparation method thereof, secondary battery and device

Similar Documents

Publication Publication Date Title
CN106299365A (en) A kind of sodium-ion battery biomass hard carbon cathode material, preparation method and sodium-ion battery
CN110212200A (en) A kind of battery, compound cathode of lithium and preparation method thereof
CN107275639B (en) The CoP/C classifying nano line and its preparation method and application of nano particle assembling
CN110518202B (en) Self-supporting V2O5rGO nano array sodium ion battery material and preparation method thereof
CN109768236A (en) A kind of preparation method of the anode material of lithium-ion battery of bimetallic selenides
CN112038626A (en) Tin-carbon composite material for lithium ion battery cathode and preparation method thereof
CN113845158A (en) Preparation method of porous spherical-structure sodium nickel manganese oxide cathode material
CN106299344B (en) A kind of sodium-ion battery nickel titanate negative electrode material and preparation method thereof
CN110010895A (en) Carbon fiber loaded magnesium oxide particle crosslinking nano chip arrays composite material and preparation method and application
CN106935828A (en) A kind of modified height ratio capacity positive electrode and preparation method thereof
CN110808179A (en) Nitrogen-oxygen co-doped biomass hard carbon material and preparation method and application thereof
CN108963267A (en) The preparation method of three-dimensional porous carbon coating zinc oxide collector for lithium an- ode
CN110534718B (en) Preparation method of transition metal oxide nanosheet array @ carbon paper electrode
CN111056544B (en) Sodium iron phosphate composite material and preparation method and application thereof
CN110790248B (en) Iron-doped cobalt phosphide microsphere electrode material with flower-shaped structure and preparation method and application thereof
CN110752360B (en) S-Ni3Preparation method of C/NiO composite lithium-sulfur battery positive electrode material
CN109346717B (en) Self-supporting NaxMnO2Array sodium-ion battery positive electrode material and preparation method thereof
CN115504524A (en) Single crystal high nickel material and preparation method and application thereof
Yao et al. Porous Co3O4 nanoflakes as anode material for lithium ion batteries
Kang et al. Shape control of hierarchical lithium cobalt oxide using biotemplates for connected nanoparticles
CN107565114B (en) Binderless sodium ion battery negative electrode material and preparation method thereof
CN110212199A (en) A kind of conducting matrix grain and preparation method thereof
CN112768653A (en) Preparation method and application of flexible nickel-cobalt double hydroxide/metal organic frame/fabric electrode
CN112951613A (en) Electrode material and preparation method and application thereof
CN112467068A (en) Battery negative electrode material and preparation method and application thereof

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20190906