CN107230788A - A kind of functional porous material, its preparation method and application - Google Patents
A kind of functional porous material, its preparation method and application Download PDFInfo
- Publication number
- CN107230788A CN107230788A CN201610176886.4A CN201610176886A CN107230788A CN 107230788 A CN107230788 A CN 107230788A CN 201610176886 A CN201610176886 A CN 201610176886A CN 107230788 A CN107230788 A CN 107230788A
- Authority
- CN
- China
- Prior art keywords
- porous material
- metal oxide
- transition metal
- functional
- lithium
- 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
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
- H01M4/62—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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of functional porous material, its preparation method and application.The functional porous material includes transition metal oxide nano particle and porous material, and the transition metal oxide nano particle is evenly distributed in the surface and hole of porous material.The preparation method of the functional porous material includes：By the presoma dissolving of transition metal oxide in a solvent, dried after being mixed with porous material, then calcined.The functional porous material of the present invention can be as additive application in lithium-sulphur cell positive electrode, and the chemical property of lithium-sulfur cell can be effectively improved, reduce polysulfide dissolution and the problem of move to lithium anode surface from sulphur carbon positive pole, so as to which the specific capacity for improving sulphur carbon positive pole is played, the cyclical stability and coulombic efficiency of lithium-sulfur cell are improved；Its preparation method is simple and practical, can produce and apply on a large scale.
Description
Technical field
The present invention relates to a kind of functional porous material, more particularly to a kind of functional porous material, its preparation method with
And application, such as the purposes of lithium-sulphur cell positive electrode additive, belong to battery material technical field.
Background technology
After 2000, with the fast development of portable type electronic product, and using electric automobile as the new energy of representative
The rise of industry, the problems such as people are to the energy density, security and cost of existing lithium ion battery propose it is higher will
Ask, thus force people to be actively researched and developed high performance lithium rechargeable battery of new generation.Lithium-sulfur cell be using lithium as
Negative pole, sulphur are as the secondary cell of positive pole, and its theoretical specific capacity is up to 1675mAh g-1, theoretical specific energy density is reachable
6~8 times of wide variety of lithium ion battery, meet portable type electronic product to electricity on 2600Wh/kg, almost current commodity
The requirement in pond " light, thin, small ", also complies with the requirement of energy-accumulating power station and electric automobile to battery.Along with elemental sulfur rich reserves,
Cheap and easy to get, environmentally friendly the advantages of, therefore lithium-sulfur cell very likely turns into follow-on most promising two
Primary cell.
Although lithium-sulfur cell is more protruded relative to the advantage of conventional lithium ion battery, there is also some problems.I.e.
In discharge process, sulphur simple substance is reduced to many vulcanization ions, and dissolving in the electrolytic solution, is easily migrated to lithium anode, with
Lithium simple substance reacts, and generates the Li of slightly solubility2S、Li2S2, the reduction of elemental sulfur active material is caused, causes active material profit
Low with rate, coulombic efficiency is low, and cyclical stability is poor.
At present, some document reports relevant issues are had, for example：There is researcher by adding in lithium-sulphur cell positive electrode
Add pore structure molecular sieve SBA-15, it will be apparent that inhibit the dissolution of many lithium sulfides, and improve cyclical stability, but adding
Plus the performance of the specific discharge capacity of positive electrode is also have impact on after molecular sieve and to cause positive pole to upload sulfur content slightly lower, reduce battery
Energy density.In another example, there is researcher by the way that titanium dioxide-graphene complex is coated in into lithium-sulfur cell as intercalation
On positive plate, make it under high current charge-discharge, show excellent performance, but its method is complex, sample is difficult to greatly
The preparation of amount, it is difficult to large-scale application.
Thus, how the shortcoming existed according to lithium-sulfur cell is further improved, and improves the stable circulation of lithium-sulfur cell
Property and coulombic efficiency, as the new research direction of current industry research staff.
The content of the invention
It is a primary object of the present invention to provide a kind of functional porous material, its preparation method and application, for example, conduct
The purposes of lithium-sulphur cell positive electrode additive, to overcome deficiency of the prior art.
To realize aforementioned invention purpose, the technical solution adopted by the present invention includes：
The embodiments of the invention provide a kind of functional porous material, it includes transition metal oxide nano particle and many
Porous materials, the transition metal oxide nano particle is evenly distributed in the surface of the porous material and hole.
It is preferred that, the particle diameter of the transition metal oxide nano particle is 0.5~2nm.
It is preferred that, the functional porous material includes 5~30wt% transition metal oxide nano particles.
It is preferred that, the surface distributed of the porous material has the homogeneous overburden that thickness is 0.5~20nm, described uniformly to cover
Cap rock is made up of transition metal oxide nano particle.
Further, the material of the transition metal oxide nano particle is preferably from TiO2、Fe2O3、Fe3O4, MnO or
MnO2In any one or two or more combinations, but not limited to this.
Further, the porous material preferably from the molecular sieve of the types such as SBA-15, MCM-41 or ZSM-5, zeolite,
Kaolin or sepiolite, but not limited to this.
It is preferred that, the specific surface area of the functional porous material is 450~2000m2g-1, average pore sizes be 0.7~
1.1m3g-1, average pore size is in 3-20nm.
The embodiment of the present invention additionally provides a kind of method for preparing the functional porous material, and it includes：
By the presoma dissolving of transition metal oxide in a solvent, and it is well mixed with porous material, dries, make afterwards
The presoma of transition metal oxide enters in the hole of porous material；
The porous material that the presoma of transition metal oxide will be adsorbed with is calcined in atmosphere, makes the surface of porous material
And equally distributed transition metal oxide nano particle is formed in hole, obtain functional porous material.
Further, the transition metal oxide presoma preferably from butyl titanate, manganese nitrate, iron chloride,
Any one in ferric nitrate, manganese acetate or two or more combinations.
It is preferred that, the presoma of the transition metal oxide and the mass ratio of porous material are 1：10~2.5:1.
It is preferred that, the temperature of the calcining is 500~850 DEG C, and the time is in more than 4h.
The embodiment of the present invention additionally provides foregoing any functional porous material in preparing the purposes in lithium battery.
The embodiment of the present invention additionally provides foregoing any functional porous material as lithium-sulphur cell positive electrode additive
Purposes.
The embodiment of the present invention additionally provides a kind of lithium sulfur battery anode material, and it is 1 that it, which includes mass ratio,:10~1:20 add
Plus agent and matrix material, the additive is using foregoing any functional porous material.
Compared with prior art, advantages of the present invention at least that：
(1) present invention by using functional porous material as additive application in lithium-sulphur cell positive electrode, using transition
The method that Metal Oxide Chemical absorption is combined with porous material bigger serface physical absorption, can effectively improve lithium-sulfur cell
Chemical property, polysulfide dissolution and the problem of move to lithium anode surface from sulphur carbon positive pole is reduced, so as to carry
The specific capacity of high-sulfur carbon positive pole is played, and improves the cyclical stability and coulombic efficiency of lithium-sulfur cell；
(2) preparation method of the present invention is simple, practical, can produce and apply on a large scale, and application prospect is good.
Brief description of the drawings
The schematic diagram for the molecular sieve SBA-15 that Fig. 1 modifies for the major experimental process and titanium of the present invention；
Fig. 2 a is in the embodiment of the present invention 2, the SEM of addition molecular sieve SBA-15 scheme；
Fig. 2 b is in the embodiment of the present invention 3, titanium decorating molecule sieve Ti-SBA15 SEM scheme；
Fig. 3 sieves Ti-SBA15 transmission electron microscope pictures by the Ti decorating molecules added in the embodiment of the present invention 3；
Fig. 4 is sieved Ti-SBA15 EDX energy spectrum analysis figures by the Ti decorating molecules added in the embodiment of the present invention 3；
Fig. 5 is sieved Ti-SBA15 electricity by the molecular sieve SBA-15 and Ti decorating molecules that are added in the embodiment of the present invention 2,3
Pond cyclic curve comparison diagram.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to the specific reality of the present invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in accompanying drawing and according to
What the embodiments of the present invention of accompanying drawing description were merely exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show and according to the solution of the present invention closely related structure and/or process step, and eliminate little with relation of the present invention
Other details.
The embodiment of the invention discloses a kind of preparation method of functional porous material, the preparation method includes following step
Suddenly：
In a solvent, after being well mixed with porous material the presoma dissolving of transition metal oxide is carried out into vacuum to do
It is dry, the presoma of transition metal oxide is entered in the hole of porous material；
The porous material that the presoma of transition metal oxide will be absorbed is calcined in atmosphere, and acquisition is loaded with transition
The functional porous material of metal oxide nanoparticles.
The embodiment of the invention also discloses above-mentioned functions porous material, including transition metal oxide nano particle with it is many
Porous materials, the transition metal oxide nano particle is evenly distributed in the surface and hole of porous material.
Correspondingly, the embodiment of the present application also discloses application of the functional porous material in lithium-sulfur cell.
Specifically, the functional porous material as additive application in the positive pole of lithium-sulfur cell, additive and lithium sulphur
The mass ratio of the matrix material of battery is 1:10~1:20.
It is preferred that, the presoma of the transition metal oxide can be butyl titanate, manganese nitrate, iron chloride, nitric acid
The material that iron, manganese acetate etc. can be fallen with heat resolve.Solvent is the solvent for the presoma that can dissolve above-mentioned transition metal oxide.
It is preferred that, the mass ratio that the presoma of the transition metal oxide is mixed with porous material is 1：10~2.5:1.
It is preferred that, the temperature of the calcining is 500~850 DEG C, and the time is 4h.
It is preferred that, the particle diameter of the transition metal oxide nano particle is 0.5~2nm, and weight ratio is 5%~30%,
0.5-20nm homogeneous overburden is formed on the surface of porous material.
Further, the specific surface area of the functional porous material is 450~2000m2g-1, average pore sizes are 0.7
~1.1m3g-1, average pore size is in 3-20nm.
Further, the transition metal oxide nano particle is TiO2、Fe2O3、Fe3O4, MnO or MnO2Deng transition
Metal oxide nanoparticles, but it is not limited to these materials；
And/or molecular sieve or zeolite that the porous material is the type such as SBA-15, MCM-41, ZSM-5, kaolin,
Sepiolite etc., but it is not limited to these materials.
Technical scheme is more specifically illustrated below with reference to some embodiments：
Embodiment 1
(1) take 200mg molecular sieves SBA15 to be added in 0.2g charcoal-aero gels-sulphur composite, be sufficiently mixed uniform acquisition
Sample is stand-by.
(2) sample obtained in (1) and acetylene black, LA132 are made by mixing slurry and be coated on aluminium foil, three's mass ratio
For 70：15:15.
(3) make battery and test, test electric current is 0.1C, test voltage scope 1.5-2.8V.
Embodiment 2
(1) take 0.71g manganese acetates to be dissolved in 18ml water, add molecular sieve SBA-15 1.0g, stir and dried at 1h, 110 DEG C
It is dry, the sample after drying is calcined 4h at 850 DEG C, light pink solid is obtained stand-by；
(2) the solid Mn-SBA15 200mg obtained in (1) are taken, 0.2g charcoal-aero gels-sulphur composite are added to, fully
Well mixed acquisition sample is stand-by；
(3) sample in (2) and acetylene black, LA132 are made by mixing slurry and be coated on aluminium foil, three's mass ratio is
70：15:15, make button cell and test, test electric current is 0.1C, test voltage scope 1.5-2.8V.
Fig. 2 a are the SEM figures of addition molecular sieve SBA-15 in the present embodiment, are added after molecular sieve SBA-15, battery testing effect
Fruit has obvious improvement relative to un-added cyclical stability.
Embodiment 3
(1) take 1.02g butyl titanates to be dissolved in 9ml ethanol, add molecular sieve SBA-15 1.0g, stir 1h, 110
Dried at DEG C, the sample after drying is calcined 4h at 500 DEG C, obtain titanium decorating molecule sieve Ti-SBA15；
(2) the solid Ti-SBA15 200mg in (1) are taken, 0.2g charcoal-aero gels-sulphur composite is added to, is sufficiently mixed
Uniform acquisition sample is stand-by；
(3) sample in (2) and acetylene black, LA132 are made by mixing slurry and be coated on aluminium foil, three's mass ratio is
70：15:15, make button cell and test, test electric current is 0.1C, test voltage scope 1.5-2.8V.
Ti-SBA15 SEM figures are sieved for titanium decorating molecule as shown in Figure 2 b；Fig. 3 is modified by the Ti added in the present embodiment
Molecular sieve Ti-SBA15 transmission electron microscope pictures；Fig. 4 is sieved Ti-SBA15 EDX power spectrums by the Ti decorating molecules added in the present embodiment
Analysis chart, can measure the content of titanium elements in titanium decorating molecule sieve Ti-SBA15；Fig. 5 is by dividing for being added in embodiment 2,3
Son sieve SBA-15 sieves the circulating battery curve that Ti-SBA15 is applied respectively as additive in lithium-sulfur cell with Ti decorating molecules
Comparison diagram.
As shown in Figure 5, liftings of the molecular sieve SBA15 after modification relative to the unmodified capacity in battery is imitated with coulomb
There is further lifting in the holding of rate, battery is after the circle of circulation 50, and specific capacity is maintained in 900mAh g-1With
On, coulombic efficiency can be maintained at 95% or so.
Embodiment 4
(1) take 2.04g butyl titanates to be dissolved in 18ml ethanol, add molecular sieve SBA-15 1.0g, stir 1h, 110
Dried at DEG C, the sample after drying is calcined 4h at 500 DEG C, you can obtain titanium decorating molecule sieve Ti-SBA15；
(2) the solid Ti-SBA15 200mg in (1) are taken, 0.2g charcoal-aero gels-sulphur composite is added to, is sufficiently mixed
Uniform acquisition sample is stand-by；
(3) sample in (2) and acetylene black, LA132 are made by mixing slurry and be coated on aluminium foil, three's mass ratio is
70：15:15, make button cell and test, test electric current is 0.1C, test voltage scope 1.5-2.8V.
Embodiment 5
(1) take 3.06g butyl titanates to be dissolved in 27ml ethanol, add molecular sieve SBA-15 1.0g, stir 1h, 110
DEG C drying, is calcined 4h, you can obtain titanium decorating molecule sieve Ti-SBA15 by the sample after drying at 800 DEG C；
(2) the solid Ti-SBA15 200mg in (1) are taken, 0.2g charcoal-aero gels-sulphur composite is added to, is sufficiently mixed
Uniform acquisition sample is stand-by；
(3) sample in (1) and acetylene black, LA132 are made by mixing into slurry to be coated on aluminium foil, three's mass ratio is 70：
15:15, make button cell and test, test electric current is 0.1C, test voltage scope 1.5-2.8V.
Embodiment 6
(1) take 0.71g manganese acetates, 1.02g butyl titanates to be dissolved in 18ml ethanol respectively, add molecular sieve SBA-
151.0, stir and dried at 1h, 110 DEG C, the sample after drying is calcined 4h at 850 DEG C, obtain solid stand-by；
(2) the solid 200mg in (1) is taken, 0.2g charcoal-aero gels-sulphur composite is added to, is sufficiently mixed uniform acquisition
Sample；
(3) sample in (2) and acetylene black, LA132 are made by mixing slurry and be coated on aluminium foil, three's mass ratio is
70：15:15, make button cell and test, test electric current is 0.1C, test voltage scope 1.5-2.8V.
By various embodiments above it can be seen that, addition transistion metal compound modification after molecular sieve M-SBA15 after, in electricity
There is significant effect in the cyclical stability in pond and the performance of specific capacity.It is following to be possible to play in lithium-sulfur cell industrialization
Important function.Those skilled in the art should be known in addition to butyl titanate, and titanium trichloride, titanium tetrachloride etc. may also used to
Titanium elements are modified, manganese acetate, manganese chloride etc. may also used to modify manganese element.
Also all there is trial such as other transistion metal compounds inventor：MnO2 nano particles, diatomite,
Fe2O3 etc., it has preferable improvement to lithium-sulfur cell performance, but what the molecular sieve SBA-15 of titanium elements modification was shown
Performance is more superior.
It is pointed out that the technical concepts and features of above-described embodiment only to illustrate the invention, ripe its object is to allow
Present disclosure can be understood and implement according to this by knowing the personage of technique, and the protection model of the present invention can not be limited with this
Enclose.Any equivalent change or modification in accordance with the spirit of the invention, should all be included within the scope of the present invention.
Claims (11)
1. a kind of functional porous material, it is characterised in that described including transition metal oxide nano particle and porous material
Transition metal oxide nano particle is evenly distributed in the surface of the porous material and hole.
2. functional porous material according to claim 1, it is characterised in that：The transition metal oxide nano particle
Particle diameter be 0.5~2nm；The functional porous material includes 5~30wt% transition metal oxide nano particles；And/or,
The surface distributed of the porous material has the homogeneous overburden that thickness is 0.5~20nm, and the homogeneous overburden is by transition metal
Oxide nano particles are constituted.
3. functional porous material according to claim 1 or 2, it is characterised in that：The transition metal oxide nano
The material of particle includes TiO2、Fe2O3、Fe3O4, MnO or MnO2In any one or two or more combinations；And/or, it is described
Porous material includes molecular sieve, zeolite, kaolin or sepiolite；The molecular sieve includes SBA-15, MCM-41 or ZSM-5.
4. functional porous material according to claim 1, it is characterised in that：The ratio surface of the functional porous material
Product is 450~2000m2g-1, average pore sizes are 0.7~1.1m3g-1, average pore size is in 3-20nm.
5. a kind of preparation method of functional porous material, it is characterised in that including：
By the presoma dissolving of transition metal oxide in a solvent, and it is well mixed with porous material, dries afterwards, make transition
The presoma of metal oxide enters in the hole of porous material；
The porous material that the presoma of transition metal oxide will be adsorbed with is calcined in atmosphere, makes the surface and hole of porous material
Equally distributed transition metal oxide nano particle is formed in gap, functional porous material is obtained.
6. preparation method according to claim 5, it is characterised in that：The presoma of the transition metal oxide includes titanium
Any one in sour four butyl esters, manganese nitrate, iron chloride, ferric nitrate, manganese acetate or two or more combinations.
7. preparation method according to claim 5, it is characterised in that：The presoma of the transition metal oxide with it is porous
The mass ratio of material is 1：10~2.5:1.
8. preparation method according to claim 5, it is characterised in that：The temperature of the calcining is 500~850 DEG C, time
In more than 4h.
9. functional porous material in claim 1-4 described in any one is in preparing the purposes in lithium battery.
10. functional porous material in claim 1-4 described in any one is used as the purposes of lithium-sulphur cell positive electrode additive.
11. a kind of lithium sulfur battery anode material, it is characterised in that including mass ratio be 1:10~1:20 additive and matrix material
Material, the additive uses the functional porous material described in any one in claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176886.4A CN107230788A (en) | 2016-03-25 | 2016-03-25 | A kind of functional porous material, its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176886.4A CN107230788A (en) | 2016-03-25 | 2016-03-25 | A kind of functional porous material, its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107230788A true CN107230788A (en) | 2017-10-03 |
Family
ID=59933030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610176886.4A Pending CN107230788A (en) | 2016-03-25 | 2016-03-25 | A kind of functional porous material, its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107230788A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360970A (en) * | 2018-11-20 | 2019-02-19 | 肇庆市华师大光电产业研究院 | A kind of lithium sulphur one-shot battery positive electrode and preparation method thereof |
| CN109473640A (en) * | 2018-09-30 | 2019-03-15 | 温州大学 | Silicon substrate molecular sieve/carbon pipe carries sulphur composite positive pole and its preparation method and application |
| CN113381120A (en) * | 2021-06-11 | 2021-09-10 | 中国科学院兰州化学物理研究所 | Preparation method of nitrogen-doped clay mineral-loaded cobalt hybrid material modified lithium-sulfur battery diaphragm |
| US11183688B2 (en) | 2017-12-29 | 2021-11-23 | Cornell University | Porous Fe3O4/S composites for Li/S batteries |
| CN113991053A (en) * | 2021-10-27 | 2022-01-28 | 深圳市量能科技有限公司 | Battery anode and lithium ion battery comprising same |
| CN115483431A (en) * | 2022-06-30 | 2022-12-16 | 四川新能源汽车创新中心有限公司 | Diaphragm-free solid lithium ion battery and preparation method thereof |
| CN116469626A (en) * | 2023-03-15 | 2023-07-21 | 西安湄南生物科技股份有限公司 | Aerogel insulation panel and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715392A (en) * | 2013-12-18 | 2014-04-09 | 湘潭大学 | Zeolite-based positive pole material for lithium-sulfur battery and preparation and application methods thereof |
| CN103779543A (en) * | 2013-12-18 | 2014-05-07 | 湘潭大学 | Lithium sulphur battery positive electrode material based on sepiolite, preparation method and application method of lithium sulphur battery positive electrode material |
| CN104201392A (en) * | 2014-08-20 | 2014-12-10 | 中南大学 | Preparation method of lithium-sulphur battery electrode |
| CN104269559A (en) * | 2014-10-10 | 2015-01-07 | 南京中储新能源有限公司 | TiO2 coated sulfur/ordered mesoporous carbon composite cathode material and preparation method thereof |
-
2016
- 2016-03-25 CN CN201610176886.4A patent/CN107230788A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715392A (en) * | 2013-12-18 | 2014-04-09 | 湘潭大学 | Zeolite-based positive pole material for lithium-sulfur battery and preparation and application methods thereof |
| CN103779543A (en) * | 2013-12-18 | 2014-05-07 | 湘潭大学 | Lithium sulphur battery positive electrode material based on sepiolite, preparation method and application method of lithium sulphur battery positive electrode material |
| CN104201392A (en) * | 2014-08-20 | 2014-12-10 | 中南大学 | Preparation method of lithium-sulphur battery electrode |
| CN104269559A (en) * | 2014-10-10 | 2015-01-07 | 南京中储新能源有限公司 | TiO2 coated sulfur/ordered mesoporous carbon composite cathode material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| FUGEN SUN等: "《A high-rate lithium–sulfur battery assisted by nitrogenenriched mesoporous carbons decorated with ultrafine La2O3 nanoparticles》", 《J. MATER. CHEM. A》 * |
| ZHIAN ZHANG 等: "《Sulfur Encapsulated in a TiO2-Anchored Hollow Carbon Nanofiber Hybrid Nanostructure for Lithium–Sulfur Batteries》", 《CHEM. EUR. J.》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11183688B2 (en) | 2017-12-29 | 2021-11-23 | Cornell University | Porous Fe3O4/S composites for Li/S batteries |
| CN109473640A (en) * | 2018-09-30 | 2019-03-15 | 温州大学 | Silicon substrate molecular sieve/carbon pipe carries sulphur composite positive pole and its preparation method and application |
| CN109360970A (en) * | 2018-11-20 | 2019-02-19 | 肇庆市华师大光电产业研究院 | A kind of lithium sulphur one-shot battery positive electrode and preparation method thereof |
| CN109360970B (en) * | 2018-11-20 | 2022-04-08 | 肇庆市华师大光电产业研究院 | Positive electrode material of lithium-sulfur primary battery and preparation method of positive electrode material |
| CN113381120A (en) * | 2021-06-11 | 2021-09-10 | 中国科学院兰州化学物理研究所 | Preparation method of nitrogen-doped clay mineral-loaded cobalt hybrid material modified lithium-sulfur battery diaphragm |
| CN113381120B (en) * | 2021-06-11 | 2022-07-12 | 中国科学院兰州化学物理研究所 | Preparation method of nitrogen-doped clay mineral-loaded cobalt hybrid material modified lithium-sulfur battery diaphragm |
| CN113991053A (en) * | 2021-10-27 | 2022-01-28 | 深圳市量能科技有限公司 | Battery anode and lithium ion battery comprising same |
| CN115483431A (en) * | 2022-06-30 | 2022-12-16 | 四川新能源汽车创新中心有限公司 | Diaphragm-free solid lithium ion battery and preparation method thereof |
| CN115483431B (en) * | 2022-06-30 | 2024-01-30 | 四川新能源汽车创新中心有限公司 | Diaphragm-free solid lithium ion battery and preparation method thereof |
| CN116469626A (en) * | 2023-03-15 | 2023-07-21 | 西安湄南生物科技股份有限公司 | Aerogel insulation panel and manufacturing method thereof |
| CN116469626B (en) * | 2023-03-15 | 2024-01-02 | 西安湄南生物科技股份有限公司 | Aerogel insulation panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107230788A (en) | A kind of functional porous material, its preparation method and application | |
| Zhang et al. | K0. 23V2O5 as a promising cathode material for rechargeable aqueous zinc ion batteries with excellent performance | |
| Jia et al. | Trithiocyanuric acid derived g–C3N4 for anchoring the polysulfide in Li–S batteries application | |
| Senthilkumar et al. | Fabrication of Bi2O3|| AC asymmetric supercapacitor with redox additive aqueous electrolyte and its improved electrochemical performances | |
| Ding et al. | Encapsulating sulfur into mesoporous TiO2 host as a high performance cathode for lithium–sulfur battery | |
| Yan et al. | Fabrication of polyaniline/mesoporous carbon/MnO2 ternary nanocomposites and their enhanced electrochemical performance for supercapacitors | |
| Shivakumara et al. | Synthesis and characterization of porous flowerlike α-Fe2O3 nanostructures for supercapacitor application | |
| Lu et al. | In situ-formed hollow cobalt sulfide wrapped by reduced graphene oxide as an anode for high-performance lithium-ion batteries | |
| Yuan et al. | Polysulfides anchoring and enhanced electrochemical kinetics of 3D flower-like FeS/carbon assembly materials for lithium-sulfur battery | |
| Chou et al. | Hierarchically porous carbon with manganese oxides as highly efficient electrode for asymmetric supercapacitors | |
| CN105789571B (en) | Silicon/silicon dioxide nanocomposite of porous carbon ball parcel and its preparation method and application | |
| Chu et al. | NiO nanocrystals encapsulated into a nitrogen-doped porous carbon matrix as highly stable Li-ion battery anodes | |
| Wang et al. | Mesoporous β-MnO2/sulfur composite as cathode material for Li–S batteries | |
| Liu et al. | Mesoporous spinel Li4Ti5O12 nanoparticles for high rate lithium-ion battery anodes | |
| CN103500667B (en) | CuO-MnO2 core-shell structured nanometer material and preparation method for same | |
| Sun et al. | Supercapacitive behavior and high cycle stability of todorokite-type manganese oxide with large tunnels | |
| Wang et al. | Coal tar residues-based nanostructured activated carbon/Fe 3 O 4 composite electrode materials for supercapacitors | |
| Liu et al. | Enhanced zinc ion storage capability of V2O5 electrode materials with hollow interior cavities | |
| CN102832379A (en) | Preparation method of positive material for lithium-sulfur battery | |
| CN104009205A (en) | Hollow graphene ball and preparation method and application thereof | |
| CN102082260A (en) | Preparation method of positive composite material of lithium battery | |
| CN109461915A (en) | A kind of preparation method of the positive electrode of lithium-sulfur cell | |
| Jing et al. | Lithium-sulfur battery cathodes made of porous biochar support CoFe@ NC metal nanoparticles derived from Prussian blue analogues | |
| WO2017107766A1 (en) | Sodium ion battery electrode material and preparation method therefor | |
| Dharmasena et al. | Mesoporous TiO 2 coating on carbon–sulfur cathode for high capacity Li–sulfur battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171003 |
|
| RJ01 | Rejection of invention patent application after publication |