CN108172782A - A kind of preparation method and application with shell-core structure carbon package porous oxidation Asia cobalt nano material - Google Patents
A kind of preparation method and application with shell-core structure carbon package porous oxidation Asia cobalt nano material Download PDFInfo
- Publication number
- CN108172782A CN108172782A CN201711329542.3A CN201711329542A CN108172782A CN 108172782 A CN108172782 A CN 108172782A CN 201711329542 A CN201711329542 A CN 201711329542A CN 108172782 A CN108172782 A CN 108172782A
- Authority
- CN
- China
- Prior art keywords
- porous oxidation
- shell
- nano material
- oxidation asia
- carbon package
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
-
- 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
- H01M4/523—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron for non-aqueous cells
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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
Chemical property the present invention provides a kind of simple and easy method of carbon package porous oxidation Asia cobalt nano material prepared with core-shell structure and its as anode of lithium ion battery, specific preparation process include：Solid cobaltosic oxide nano cube is prepared using hydro-thermal method；After the nano cubic surface package PDA of preparation, calcine to obtain the porous oxidation Asia crust of cobalt core nano material of carbon package by high temperature, the porous oxidation Asia cobalt nano material of core-shell structure carbon package is formed finally by salt acid etch.The method of the present invention does not add the participation of any directed agents and surfactant, entire building-up process mild condition, environmentally protective, raw material is cheap, and the requirement to equipment is low, convenient for industrialization production, have great application prospect in terms of the preparation of the anode material of lithium ion battery.
Description
Technical field
The present invention relates to a kind of synthetic method prepared with shell-core structure carbon package porous oxidation Asia cobalt nano material and
Its application in power lithium-ion battery anode.
Background technology
With the continuous development of technology, people life style gradually changes, and status of the lithium ion battery in life is got over
It more protrudes, people are also more and more urgent for the demand of electrode material with high rate capability.It is born as lithium ion battery
Pole material, the theoretical specific capacity of cobalt protoxide are up to 715mAh g-1, it is 2 times of graphitized carbon or so.But the head of cobalt protoxide
Secondary coulombic efficiency and cycle performance are poor.In order to overcome these shortcomings, the structure design of cobalt protoxide is particularly important, and such as China is special
Sharp 103950994 B of document CN, by solvent thermal reaction, have finally synthesized bilayer using organic metal cobalt salt and two kinds of protective agents
Cobalt protoxide hollow Nano particle；K.J.An and N.Y.Lee et al. use cobalt chloride hexahydrate as Material synthesis oleic acid Asia cobalt, so
Afterwards by high temperature thermal decomposition oleic acid Asia cobalt, finally prepare CoO nanometer rods (J.Am.Chem.Soc.2006,128,9753-
9760)；101800302 A of Chinese patent literature CN have invented the graphene nanometer sheet-cobalt protoxide synthesized by hydro-thermal reaction
Composite negative pole material.At present, it is rare for the carbon package porous oxidation Asia cobalt nanocube three-dimensional material with shell-core structure
Report, therefore have practical meaning and application value for the research and development of the material.
Invention content
The object of the present invention is to provide a kind of carbon package porous oxidation Asia cobalt nano materials synthesized with shell-core structure
Synthetic method and the application on lithium ion battery.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of preparation method with shell-core structure carbon package porous oxidation Asia cobalt nano material, includes the following steps：
The first step prepares Co3O4 nanometer material using hydro-thermal method
By cabaltous nitrate hexahydrate dispersion in deionized water, magnetic agitation is added in sodium hydroxide, continues to stir thereto to transparent
It is extremely transparent, the solution of acquisition is transferred in reaction kettle, reacts at 180 DEG C for 24 hours, is cooled to room temperature after reaction, is centrifuged, institute
Solid with ethanol water centrifuge washing for several times, up to Co3O4 nanometer material after the drying of solid after centrifugation；
Second step wraps up PDA on Co3O4 nanometer material surface prepared by the first step
Co3O4 nanometer material prepared by the first step and Dopamine hydrochloride are dissolved in three（Methylol）Aminomethane buffer solution
In, after 3h is stirred at room temperature, centrifugation, obtained solid with ethanol water centrifuge washing for several times, after the drying of solid after centrifugation
Up to the Co3O4 nanometer material of surface package PDA；
Third walks, and the calcined material that second step obtains is obtained with shell-core structure carbon package porous oxidation Asia cobalt nano material
Calcination condition is heating speed of the Co3O4 nanometer material in 5 DEG C/min that PDA is wrapped up on the surface for obtaining second step
Rate, 2 ~ 4h of constant temperature at 450 DEG C ~ 500 DEG C.
Preferably, the 4th step salt acid etch is further included, the carbon package porous oxidation Asia cobalt nano material that third step is obtained
It is impregnated in hydrochloric acid solution and is less than or equal to 12min, then washed for several times with ethanol water, after centrifugation, solid is dried in vacuo, is obtained
The porous oxidation Asia cobalt nano material wrapped up to shell-core structure carbon.
Preferably, the amount ratio of the substance of cabaltous nitrate hexahydrate and sodium hydroxide is 4: 1 in the first step.
Preferably, three in the second step（Methylol）A concentration of 10mM of aminomethane buffer solution.
Preferably, in the second step cobaltosic oxide a concentration of 0.9g/ml, a concentration of 0.4g/ of Dopamine hydrochloride
ml。
Preferably, in the 4th step hydrochloric acid solution a concentration of 0.1mol/L.
Prepared by a kind of preparation method with shell-core structure carbon package porous oxidation Asia cobalt nano material described above
Application of the carbon package porous oxidation Asia cobalt nano material as negative material in lithium ion battery.
Compared with prior art, beneficial effects of the present invention are：
1st, the carbon package porous oxidation Asia cobalt nanocube three-dimensional material that prepared by preparation method of the invention has shell-core knot
Structure, the structure have many mesoporous, the delivering path of lithium ion and electronics can be effectively improved, so as to improve its high rate performance；
Secondly, the carbon of outside package can effectively prevent the attenuation for being in direct contact caused capacity of electrolyte and active material.
2nd, whole process of the invention all carries out in aqueous systems, does not add any directed agents and surface-active
Agent, and preparation process is simple, green, cheap, safety, it is easier to realize industrialized production.
Description of the drawings
Fig. 1 is the X-ray diffraction obtained that porous oxidation Asia cobalt nano material is wrapped up with shell-core structure carbon of embodiment 1
Figure；
Fig. 2 is the stereoscan photograph obtained that porous oxidation Asia cobalt nano material is wrapped up with shell-core structure carbon of embodiment 1；
Fig. 3 is the transmission electron microscope photo obtained that porous oxidation Asia cobalt nano material is wrapped up with shell-core structure carbon of embodiment 1；
Fig. 4 is etched for embodiment 2 made from 3 minutes, and there is shell-core structure carbon to wrap up porous oxidation Asia cobalt nano material transmission electricity
Mirror photo；
Fig. 5 is etched for embodiment 3 made from 6 minutes, and there is shell-core structure carbon to wrap up porous oxidation Asia cobalt nano material transmission electricity
Mirror photo；
Fig. 6 is etched for embodiment 4 made from 12 minutes, and there is shell-core structure carbon to wrap up porous oxidation Asia cobalt nano material transmission electricity
Mirror photo；
Fig. 7 is the cyclic voltammogram obtained that porous oxidation Asia cobalt nano material is wrapped up with shell-core structure carbon of embodiment 1；
There is Fig. 8 shell-core structure carbon to wrap up porous oxidation Asia cobalt nano material as electrode material not made from embodiment 1
With the cycle figure under current density.
Specific embodiment
With reference to embodiment, the present invention is described in further detail.
Embodiment 1
There is the present embodiment the preparation process of shell-core structure carbon package porous oxidation Asia cobalt nano material to be：
The first step, the cubical preparation of cobaltosic oxide nano
Using hydrothermal method（Also referred to as hydro-thermal method）Cobaltosic oxide is prepared, 0.04 mol cabaltous nitrate hexahydrates is taken to be scattered in 40 mL
In deionized water, stirred under magnetic stirring to transparent；0.01 mol sodium hydroxides is taken to be added in above-mentioned solution again to continue to stir
It mixes to obtaining clear solution；Above-mentioned solution is transferred in the ptfe autoclave of 50 mL, and place in an oven in
24 h are reacted at 180 DEG C；After reaction, reaction kettle cooled to room temperature, gained sample are centrifuged, and with water/second
Mixed alkoxide solution centrifuge washing three times, dries 12 h at 65 DEG C；
Second step, PDA（Poly-dopamine）The cubical preparation of cobaltosic oxide nano of package
The Dopamine hydrochloride of cobaltosic oxide prepared by the first step of 90 mg and 40 mg is taken to be placed in 100 mL, a concentration of 10 mM
Tris-buffer solution in, stir 3 h at room temperature；Deposit is centrifuged later, and molten with water/ethyl alcohol mixing
Liquid centrifuge washing three times, dries 12 h at 65 DEG C；
Third walks, and temperature control converts the preparation of porous carbon package cobalt protoxide
Product prepared by second step is placed in tube furnace, heated up with 5 DEG C/min and at 500 DEG C 3 h of constant temperature be made with shell-
The carbon package porous oxidation Asia cobalt nanocube three-dimensional material of nuclear structure.
Carbon manufactured in the present embodiment wraps up the XRD diagram of cobalt protoxide material as shown in Figure 1, comparing with standard card, says
Bright material carbon package cobalt protoxide material manufactured in the present embodiment.Its scanning electron microscope (SEM) photograph and transmission electron microscope picture are as shown in Figures 2 and 3.
Embodiment 2
It is same as Example 1, unlike,
4th step, the preparation of the porous carbon package cobalt protoxide of salt acid etch
Product prepared by third step is dispersed in a concentration of 0.1 mol/L hydrochloric acid solutions and etches 3 min, then through deionized water/
Ethyl alcohol embathes to remove soluble impurity, obtained material be centrifuged after through being dried in vacuo at 65 DEG C, being made has shell-core structure
Carbon package porous oxidation Asia cobalt nanocube three-dimensional material.
The transmission electron microscope of carbon package porous oxidation Asia cobalt nanocube three-dimensional material of the present embodiment after salt acid etch
Figure is as shown in Figure 4.
Embodiment 3
It is same as Example 1, unlike,
4th step, the preparation of the porous carbon package cobalt protoxide of salt acid etch
Product prepared by third step is dispersed in a concentration of 0.1 mol/L hydrochloric acid solutions and etches 6 min, then through deionized water/
Ethyl alcohol embathes to remove soluble impurity, obtained material be centrifuged after through being dried in vacuo at 65 DEG C, being made has shell-core structure
Carbon package porous oxidation Asia cobalt nanocube three-dimensional material.
The transmission electron microscope of carbon package porous oxidation Asia cobalt nanocube three-dimensional material of the present embodiment after salt acid etch
Figure is as shown in Figure 5.
Embodiment 4
It is same as Example 1, unlike,
4th step, the preparation of the porous carbon package cobalt protoxide of salt acid etch
Product prepared by third step is dispersed in a concentration of 0.1 mol/L hydrochloric acid solutions and etches 12 min, then through deionized water/
Ethyl alcohol embathes to remove soluble impurity, obtained material be centrifuged after through being dried in vacuo at 65 DEG C, being made has shell-core structure
Carbon package porous oxidation Asia cobalt nanocube three-dimensional material.
The transmission electron microscope of carbon package porous oxidation Asia cobalt nanocube three-dimensional material of the present embodiment after salt acid etch
Figure is as shown in Figure 6.
The above-mentioned process for preparing carbon package porous oxidation Asia cobalt nanocube three-dimensional material will for entire reaction condition
Ask succinct, it is at low cost and environmentally protective, it is more suitable for industrialization production.The obtained carbon package porous oxidation with shell-core structure
The X-ray diffractogram of sub- cobalt nanocube three-dimensional material from figure as shown in Figure 1, understand the cobalt protoxide that sample is single-phase
(JCPDS:48-1719).Fig. 2 represents that the carbon package porous oxidation Asia cobalt nanocube with shell-core structure is made in embodiment 1
The SEM figures of three-dimensional material, cobalt protoxide uniformly wraps up one layer of carbon-coating, and has apparent hole；Fig. 3 represents embodiment 1
The TEM figures of the carbon package porous oxidation Asia cobalt nanocube three-dimensional material with shell-core structure are made；Fig. 4 represents to pass through
The TEM figures of the carbon package porous oxidation Asia cobalt nanocube three-dimensional material with shell-core structure are made in 3min etchings；Fig. 5 tables
Show that the TEM that the carbon package porous oxidation Asia cobalt nanocube three-dimensional material with shell-core structure is made by 6min etchings schemes；
Fig. 6 represents that the carbon package porous oxidation Asia cobalt nanocube three-dimensional material with shell-core structure is made by 12 min etchings
TEM figures, internal cobalt protoxide etched completely, leaves behind carbon shell；Fig. 7 represents that embodiment 1 is made with shell-core structure
The cyclic voltammogram of carbon package porous oxidation Asia cobalt nanocube three-dimensional material；Fig. 8 shows for embodiment 1 be made have shell-
Electrochemistry cycle of the carbon package porous oxidation Asia cobalt nanocube three-dimensional material of nuclear structure in the case where current density is 0.2 A/g
Figure.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of preparation method with shell-core structure carbon package porous oxidation Asia cobalt nano material, which is characterized in that including with
Lower step：
The first step prepares Co3O4 nanometer material using hydro-thermal method
By cabaltous nitrate hexahydrate dispersion in deionized water, magnetic agitation is added in sodium hydroxide, continues to stir thereto to transparent
It is extremely transparent, the solution of acquisition is transferred in reaction kettle, reacts at 180 DEG C for 24 hours, is cooled to room temperature after reaction, is centrifuged, institute
Solid with ethanol water centrifuge washing for several times, up to Co3O4 nanometer material after the drying of solid after centrifugation；
Second step wraps up PDA on Co3O4 nanometer material surface prepared by the first step
Co3O4 nanometer material prepared by the first step and Dopamine hydrochloride are dissolved in three（Methylol）Aminomethane buffer solution
In, after 3h is stirred at room temperature, centrifugation, obtained solid with ethanol water centrifuge washing for several times, after the drying of solid after centrifugation
Up to the Co3O4 nanometer material of surface package PDA；
Third walks, and the calcined material that second step obtains is obtained with shell-core structure carbon package porous oxidation Asia cobalt nano material
Calcination condition is heating speed of the Co3O4 nanometer material in 5 DEG C/min that PDA is wrapped up on the surface for obtaining second step
Rate, 2 ~ 4h of constant temperature at 450 DEG C ~ 500 DEG C.
2. a kind of preparation side with shell-core structure carbon package porous oxidation Asia cobalt nano material according to claim 1
Method, which is characterized in that further include the 4th step salt acid etch, the carbon package porous oxidation Asia cobalt nano material that third step obtains is existed
It is impregnated in hydrochloric acid solution and is less than or equal to 12min, then washed for several times with ethanol water, after centrifugation, solid is dried in vacuo, is obtained
The porous oxidation Asia cobalt nano material of shell-core structure carbon package.
3. a kind of preparation with shell-core structure carbon package porous oxidation Asia cobalt nano material according to claim 1 or 2
Method, which is characterized in that the amount ratio of the substance of cabaltous nitrate hexahydrate and sodium hydroxide is 4: 1 in the first step.
4. a kind of preparation with shell-core structure carbon package porous oxidation Asia cobalt nano material according to claim 1 or 2
Method, which is characterized in that three in the second step（Methylol）A concentration of 10mM of aminomethane buffer solution.
5. a kind of preparation with shell-core structure carbon package porous oxidation Asia cobalt nano material according to claim 1 or 2
Method, which is characterized in that a concentration of 0.9g/ml of cobaltosic oxide, a concentration of 0.4g/ of Dopamine hydrochloride in the second step
ml。
6. a kind of preparation side with shell-core structure carbon package porous oxidation Asia cobalt nano material according to claim 2
Method, which is characterized in that a concentration of 0.1mol/L of hydrochloric acid solution in the 4th step.
7. a kind of preparation method with shell-core structure carbon package porous oxidation Asia cobalt nano material described in claims 1 or 2
Application of the carbon package porous oxidation Asia cobalt nano material of preparation as negative material in lithium ion battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329542.3A CN108172782B (en) | 2017-12-13 | 2017-12-13 | Preparation method and application of carbon-coated porous cobaltous oxide nano material with shell-core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329542.3A CN108172782B (en) | 2017-12-13 | 2017-12-13 | Preparation method and application of carbon-coated porous cobaltous oxide nano material with shell-core structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108172782A true CN108172782A (en) | 2018-06-15 |
| CN108172782B CN108172782B (en) | 2021-06-04 |
Family
ID=62525793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711329542.3A Active CN108172782B (en) | 2017-12-13 | 2017-12-13 | Preparation method and application of carbon-coated porous cobaltous oxide nano material with shell-core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108172782B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888237A (en) * | 2019-03-07 | 2019-06-14 | 肇庆市华师大光电产业研究院 | A kind of anode material of lithium-ion battery and preparation method thereof |
| CN110600712A (en) * | 2019-10-08 | 2019-12-20 | 西京学院 | Carbon and nitrogen Co-doped Co3O4Composite material, preparation method and application thereof |
| CN111233049A (en) * | 2020-01-19 | 2020-06-05 | 安徽师范大学 | Sulfur-loaded composite material of zinc cobaltate microspheres with multilayer mesoporous structure and preparation method thereof, lithium-sulfur battery positive electrode and lithium-sulfur battery |
| CN114105217A (en) * | 2021-10-28 | 2022-03-01 | 合肥国轩高科动力能源有限公司 | Carbon-coated cobaltosic oxide negative electrode material and preparation method and application thereof |
| CN114394627A (en) * | 2021-12-08 | 2022-04-26 | 中国民用航空飞行学院 | Preparation method of sodium ion cobalt sulfide nanowire |
| CN114551882A (en) * | 2022-01-12 | 2022-05-27 | 华南师范大学 | Ferric fluoride cathode material and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503218A (en) * | 2009-03-24 | 2009-08-12 | 河南师范大学 | Low temperature synthesizing method for high-density cobaltosic oxide for lithium ionic cell |
| CN103872330A (en) * | 2014-03-19 | 2014-06-18 | 上海交通大学 | Lithium ion battery negative electrode material and preparation method thereof |
| CN105084426A (en) * | 2014-05-19 | 2015-11-25 | 中国科学院过程工程研究所 | In-situ grown three-dimensional multi-structural cobaltosic oxide/carbon composite micro-nanomaterial and controllable preparation method thereof |
| CN105668650A (en) * | 2016-03-23 | 2016-06-15 | 荆门市格林美新材料有限公司 | Method for preparing low-sodium cobaltosic oxide |
| CN105788882A (en) * | 2016-04-25 | 2016-07-20 | 天津大学 | Hydrothermal preparation method of cobaltosic oxide nanocube and application of cobaltosic oxide nanocube in electrode slice preparation |
| CN107216689A (en) * | 2017-06-23 | 2017-09-29 | 西北工业大学 | A kind of dopamine surface is modified two-dimension nano materials and preparation method |
| CN107359329A (en) * | 2017-07-03 | 2017-11-17 | 东北师范大学 | Carbon coating stannous oxide compound and its preparation method and application |
-
2017
- 2017-12-13 CN CN201711329542.3A patent/CN108172782B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503218A (en) * | 2009-03-24 | 2009-08-12 | 河南师范大学 | Low temperature synthesizing method for high-density cobaltosic oxide for lithium ionic cell |
| CN103872330A (en) * | 2014-03-19 | 2014-06-18 | 上海交通大学 | Lithium ion battery negative electrode material and preparation method thereof |
| CN105084426A (en) * | 2014-05-19 | 2015-11-25 | 中国科学院过程工程研究所 | In-situ grown three-dimensional multi-structural cobaltosic oxide/carbon composite micro-nanomaterial and controllable preparation method thereof |
| CN105668650A (en) * | 2016-03-23 | 2016-06-15 | 荆门市格林美新材料有限公司 | Method for preparing low-sodium cobaltosic oxide |
| CN105788882A (en) * | 2016-04-25 | 2016-07-20 | 天津大学 | Hydrothermal preparation method of cobaltosic oxide nanocube and application of cobaltosic oxide nanocube in electrode slice preparation |
| CN107216689A (en) * | 2017-06-23 | 2017-09-29 | 西北工业大学 | A kind of dopamine surface is modified two-dimension nano materials and preparation method |
| CN107359329A (en) * | 2017-07-03 | 2017-11-17 | 东北师范大学 | Carbon coating stannous oxide compound and its preparation method and application |
Non-Patent Citations (2)
| Title |
|---|
| 韩长日 等: "《精细无机化学品制造技术》", 31 August 2008, 科技文献出版社 * |
| 马世昌 等: "《化学物质辞典》", 30 April 1999, 陕西科学技术出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888237A (en) * | 2019-03-07 | 2019-06-14 | 肇庆市华师大光电产业研究院 | A kind of anode material of lithium-ion battery and preparation method thereof |
| CN110600712A (en) * | 2019-10-08 | 2019-12-20 | 西京学院 | Carbon and nitrogen Co-doped Co3O4Composite material, preparation method and application thereof |
| CN111233049A (en) * | 2020-01-19 | 2020-06-05 | 安徽师范大学 | Sulfur-loaded composite material of zinc cobaltate microspheres with multilayer mesoporous structure and preparation method thereof, lithium-sulfur battery positive electrode and lithium-sulfur battery |
| CN114105217A (en) * | 2021-10-28 | 2022-03-01 | 合肥国轩高科动力能源有限公司 | Carbon-coated cobaltosic oxide negative electrode material and preparation method and application thereof |
| CN114105217B (en) * | 2021-10-28 | 2023-11-03 | 合肥国轩高科动力能源有限公司 | Carbon-coated cobaltosic oxide negative electrode material and preparation method and application thereof |
| CN114394627A (en) * | 2021-12-08 | 2022-04-26 | 中国民用航空飞行学院 | Preparation method of sodium ion cobalt sulfide nanowire |
| CN114551882A (en) * | 2022-01-12 | 2022-05-27 | 华南师范大学 | Ferric fluoride cathode material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108172782B (en) | 2021-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108172782A (en) | A kind of preparation method and application with shell-core structure carbon package porous oxidation Asia cobalt nano material | |
| CN103367719B (en) | The preparation method of Yolk-shell structure tin dioxide-nitrogen-dopcarbon carbon material | |
| CN104617271B (en) | Stannic selenide/graphene oxide negative pole composite material for sodium ion battery and preparation method thereof | |
| CN108023078A (en) | A kind of nickelic tertiary cathode material of monocrystalline pattern and preparation method thereof | |
| CN108269982B (en) | Composite material, preparation method thereof and application thereof in lithium ion battery | |
| CN110600695B (en) | Yolk-eggshell structure tin@hollow mesoporous carbon sphere material and preparation method thereof | |
| CN104659358A (en) | Preparation method of hollow nickel cobaltate nano polyhedron | |
| CN106229503B (en) | A kind of preparation method of nickel oxide/graphene nanocomposite material, negative electrode of lithium ion battery, lithium ion battery | |
| CN106410153B (en) | A kind of titanium nitride cladding nickel titanate composite material and preparation method and application | |
| CN108400324B (en) | Lithium ion battery cathode material zinc manganate nanorod and preparation method thereof | |
| CN104852028A (en) | Lithium titanate/graphene composite cathode material for lithium ion battery | |
| CN104037412B (en) | The preparation method of high performance lithium ion secondary battery negative material multilevel hierarchy nano-hollow ball | |
| CN108417786A (en) | A kind of rodlike multi-layer microporous ferrous oxalate lithium ion battery negative material preparation method | |
| CN106887575A (en) | A kind of cobalt acid zinc/graphene composite negative pole and preparation method thereof and lithium ion battery | |
| CN104617270A (en) | Preparation method of spherical hollow lithium titanate/graphene composite material as lithium battery negative material | |
| CN106711435A (en) | Preparation method of layered lithium-manganese-rich base/GNRs (graphene nanoribbons) anode composite material | |
| CN106058249A (en) | Method for preparing carbon coated nano rodlike sodium ferrous phosphate material by solvent thermal | |
| CN102259933A (en) | Preparation method and application of rice-grain alpha-iron trioxide | |
| CN108039486A (en) | The hollow core shell structure vanadic anhydride anode electrode piece of tremelliform and its fastening lithium ionic cell preparation method | |
| CN107026263B (en) | Sea urchin-shaped bismuth sulfide/macroporous graphene composite material, preparation method and application thereof | |
| CN104183827B (en) | A kind of lithium iron phosphate nano rod and preparation method thereof | |
| CN107381656A (en) | A kind of preparation method of lithium ion battery negative material | |
| CN106784722B (en) | A kind of lithium titanate/titanium dioxide combination electrode material and preparation method thereof | |
| CN105762354B (en) | A kind of flower-shaped ferric oxide nano-material and preparation method thereof, negative electrode of lithium ion battery and lithium ion battery | |
| Wang et al. | Facile synthesis of CuO nanoparticles as anode for lithium ion batteries with enhanced performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |