CN106784898A - A kind of lithium and cobalt oxides and carbon black blending type catalyst and its preparation method and application - Google Patents
A kind of lithium and cobalt oxides and carbon black blending type catalyst and its preparation method and application Download PDFInfo
- Publication number
- CN106784898A CN106784898A CN201710123474.9A CN201710123474A CN106784898A CN 106784898 A CN106784898 A CN 106784898A CN 201710123474 A CN201710123474 A CN 201710123474A CN 106784898 A CN106784898 A CN 106784898A
- Authority
- CN
- China
- Prior art keywords
- lithium
- cobalt
- catalyst
- carbon black
- cobalt oxides
- 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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
- H01M4/9025—Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
- H01M4/9033—Complex oxides, optionally doped, of the type M1MeO3, M1 being an alkaline earth metal or a rare earth, Me being a metal, e.g. perovskites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
-
- 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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
-
- 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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
- H01M4/9083—Catalytic material supported on carriers, e.g. powder carriers on carbon or graphite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Catalysts (AREA)
- Inert Electrodes (AREA)
Abstract
The present invention relates to a kind of lithium and cobalt oxides and carbon black blending type catalyst and preparation method thereof, the catalyst is solid powder, and the size of cobalt oxidate for lithium particle is less than or equal to 5 μm, and lithium and cobalt oxides and carbon black blending are uniform.It has catalysis activity higher to redox reactions, in addition, the present invention provides preparation method is simple, cost is relatively low, it is easy to industrialized production and the oxygen reduction catalyst of application.The catalyst has hydrogen reduction electro catalytic activity and stability higher in alkaline medium.In addition, the present invention also works out a kind of method that secondary cycle of discarded cobalt acid lithium is utilized, and alleviates environmental pollution and energy shortage problem.
Description
Technical field
The invention belongs to field of catalyst preparation, and in particular to a kind of lithium and cobalt oxides and carbon black blending type catalyst and its
Preparation method and application.The catalyst has electro catalytic activity and durability higher to oxygen reduction reaction in alkaline medium.And
And after lithium removing, the oxygen reduction activities of oxide are not reduced, show the electricity extracted from discarded lithium ion battery
Pole material still has excellent oxygen reduction activities, can be used as lithium-air battery and fuel battery negative pole redox reactions
Catalyst so that the recovery utilization rate of lithium ion battery is greatly improved.
Background technology
In the practical application of novel energy battery fuel cell and metal-air battery, redox reactions（ORR）
It is a very important half-reaction.Redox reactions are related to multiple reactions steps and multiple transfer electronics, are a complexity
Course of reaction.Due to its dynamics it is slow the characteristics of, oxygen reduction catalyst is essential.The selection standard of catalyst needs to examine
Consider the following aspects：Catalysis activity, thermodynamic stability, corrosion resistance, price, long-time stability etc..It is the most frequently used at present
Oxygen reduction catalyst is business Pt/C, and this catalyst activity is preferable, but noble metal platinum scarcity of resources, expensive, its valency
Lattice limit its application with durability.Therefore the catalyst for developing new inexpensive, efficient, alternative Pt/C becomes and grinds
The emphasis studied carefully.The more ORR catalyst of research have Pt noble metal catalysts, transition metal macrocyclic compound, transition now
Metal oxide, carbon material（Carbon material）.
Cobalt acid lithium is the conventional positive electrode of lithium ion battery, is six side's layer structures, and layer structure advantageously forms the moon
The passage of pole removal lithium embedded, so as to complete charge and discharge process.And after battery is by hundreds of discharge and recharges, electrode material can be because poor
Lithium is expanded, shunk, and crystal formation changes, and produces irreversible transition, reduces the available capacity of positive pole, causes its electrochemistry
Performance failure.The cobalt acid lithium of failure turns into solid refuse, not only pollutes the environment, and can cause the waste of resource.If will
It is recycled, and the cobalt acid lithium of poor lithium is obtained after treatment, that is, take off the lithium and cobalt oxides of lithium, and itself and carbon black are blended, and is improved
Its electric conductivity, prepared catalyst is applied to Cathodic oxygen reduction, is the effective utilization to stale resource, can also be in certain journey
Instead of the noble metal catalyst of resource scarcity on degree.
The content of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of lithium and cobalt oxides and carbon black blending type
Catalyst and preparation method thereof, it has catalysis activity higher to redox reactions, in addition, the present invention provides preparation method
Simplicity, cost is relatively low, it is easy to industrialized production and the oxygen reduction catalyst of application.The catalyst has higher in alkaline medium
Hydrogen reduction electro catalytic activity and stability.In addition, the present invention also works out a kind of secondary cycle profit of discarded cobalt acid lithium
Method, alleviates environmental pollution and energy shortage problem.
The present invention adopts the following technical scheme that, a kind of lithium and cobalt oxides and carbon black blending type catalyst, and the catalyst is solid
Body powder, the size of cobalt oxidate for lithium particle is less than or equal to 5 μm, and lithium and cobalt oxides and carbon black blending are uniform.
Further, described lithium and cobalt oxides are business cobalt acid lithium or the de- lithium cobalt acid lithium by removing elemental lithium.
Lithium and cobalt oxides are blended with carbon black, can be used as the catalyst of lithium-air battery and fuel battery negative pole redox reactions.Even if
After lithium is removed, the oxygen reduction electro catalytic activity of the blending type catalyst that oxide and carbon black are constituted is not reduced.This
Kind lithium and cobalt oxides and carbon black blending type catalyst can apply in the redox reactions of alkaline medium, improve cell cathode
The efficiency of reaction.
Further, described carbon black is the one kind in Vulcan XC-72, ketjenblack EC, CNT, Graphene
Or it is several.
Further, the blending ratio of described lithium and cobalt oxides and carbon black is 0.3:1~1:1.
Further, described de- lithium cobalt acid lithium is prepared by raw material of discarded cobalt acid lithium.
Further, described de- lithium cobalt acid lithium is prepared via a method which to obtain：
（1）Organic solvent is added in a reservoir, inert gas is passed through, and discarded cobalt acid lithium and oxidation are then added in organic solvent
Agent, the two is dispersed in organic solvent, is sealed after continuously stirring 30 ~ 45min of reaction；
（2）After stirring 18 ~ 30h under conditions of keeping sealing, suction filtration is carried out, use solvent cyclic washing, obtain being coated with sample
Filter paper, is put into baking oven and is dried, and drying temperature is 60 ~ 80 DEG C, and the time is 8 ~ 12h, obtains the lithium and cobalt oxides of de- lithium.
Further, described oxidant is nitronium tetrafluoroborate, the abjection amount of lithium by oxidant nitronium tetrafluoroborate consumption
Determine, from the abjection process in positive electrode, cobalt acid lithium and nitronium tetrafluoroborate rub lithium in correspondence lithium ion battery charging process
You are than being 1:0.1~1:1.
Further, described solvent is anhydrous acetonitrile, and described inert gas is argon gas.
The present invention also protects the lithium and cobalt oxides and carbon black blending type catalyst answering in redox reactions catalyst
With.
Compared with prior art, the present invention is urged using lithium and cobalt oxides prepared by the method for chemical lithium deintercalation with carbon black blending type
Agent, with the increase of the abjection amount of lithium so that crystal structure is gradually converted into cubic spinel structure from six side's layer structures.
On the one hand the lithium and cobalt oxides of de- lithium improve the electric conductivity of lithium and cobalt oxides with carbon black blending, on the other hand improve its oxygen also
Former activity.Catalyst half wave potential in 0.1M KOH solutions is 0.79V.The catalyst can apply to metal-air battery
With the cathodic oxygen reduction catalyst of fuel cell.
Even if in addition, remove lithium after, the oxygen reduction electro-catalysis of the blending type catalyst that oxide and carbon black are constituted
Activity is not reduced.This shows that the cobalt acid lithium electrode material extracted from discarded lithium ion battery still has excellent oxygen
Gas reducing activity, can be used as the catalyst of lithium-air battery and fuel battery negative pole redox reactions, and this is conducive to big at present
The recycle and reuse of the lithium ion battery that amount is used.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings：
Fig. 1 is SEM and the TEM figure of the catalyst obtained in embodiment 1；
Wherein figure a is TEM and the SEM figure of cobalt acid lithium,
Figure b is SEM and the TEM figure of the lithium and cobalt oxides for preparing；
Fig. 2 is the XRD of the catalyst obtained in embodiment 1；
Fig. 3 is the Raman figure of the catalyst obtained in embodiment 1；
Fig. 4 is the pole that cobalt acid lithium is obtained in embodiment 1 with the catalyst of carbon black blending in the 0.1M KOH solutions of oxygen saturation
Change curve spectrogram.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, without structure
Into limitation of the present invention.
Embodiment 1：
Prepare lithium and cobalt oxides and carbon black blending type catalyst that lithium abjection amount is 90%.
（1）15 ~ 45ml anhydrous acetonitriles are added in round-bottomed flask, argon gas is passed through, 100 ~ 300mg cobalt acid lithiums, and one is added
Determine the oxidant nitronium tetrafluoroborate of quality, the two is dispersed in anhydrous acetonitrile, sealed after continuously stirring 30 ~ 45min of reaction；
（2）After stirring 18 ~ 30h under conditions of keeping sealing, suction filtration is carried out with vacuum filtration machine, washed with 50 ~ 200ml anhydrous acetonitriles
Wash several times, obtain being coated with the filter paper of sample, be put into baking oven and be dried, drying temperature is 60 ~ 80 DEG C, the time is 8 ~ 12h,
Obtain the lithium and cobalt oxides of de- lithium；
（3）Lithium and cobalt oxides and carbon black are blended, blending ratio is 0.3:1~1:1, obtain lithium and cobalt oxides and carbon black blending type
Catalyst.
Fig. 1 is SEM and the TEM figure of the catalyst obtained in embodiment 1, wherein figure a is TEM and the SEM figure of cobalt acid lithium, figure
B is SEM and the TEM figure of the lithium and cobalt oxides for preparing, it can be seen that cobalt acid lithium and obtained lithium and cobalt oxides grain shaped
Shape is irregular, and at 5 μm or so, de- lithium causes that crystallite dimension diminishes to crystallite dimension.Fig. 2 is the catalyst obtained in embodiment 1
XRD, the characteristic peak positions for as can be seen from the figure preparing raw materials used cobalt acid lithium are consistent with standard card, the lithium of abjection 90%
Afterwards, characteristic peak positions determine the abjection of lithium closer to the characteristic peak of cobaltosic oxide, slightly inclined to the right compared with standard card
Move, illustrate that lithium is not yet all deviate from.Fig. 3 is the Raman figure of the catalyst obtained in embodiment 1, it can be seen that abjection
Belong to the characteristic peak 486cm of cobalt acid lithium in the lithium and cobalt oxides Raman figure obtained after 90% lithium in cobalt acid lithium-1, 596cm-1Intensity
Weaken, in 679cm-1There is new characteristic peak, through comparing, the characteristic peak positions with cobaltosic oxide are corresponding, but are slightly displaced from.Table
When bright lithium abjection amount is 90%, the crystal structure of lithium and cobalt oxides is via six original side's layer structures to cubic spinel knot
Allosteric transformation.Fig. 4 is the 0.1M of the catalyst in oxygen saturation of the catalyst and cobalt acid lithium and carbon black blending obtained in embodiment 1
Polarization curve spectrogram in KOH solution.Sweep speed is 5mv/s, and electrode rotary speed is 1600rpm, it can be seen that
Although the lithium and cobalt oxides after abjection lithium still differ more with the activity of business Pt/C, half wave potential differs 75 mv, in cost
On the premise of reduction, preferable oxygen reduction catalytic activity is still kept.In addition, the lithium and cobalt oxides after de- lithium are lived compared with cobalt acid lithium
Property without substantially reduce even do not increase, half wave potential improves 14 mv, illustrate recovery waste lithium ion in lithium
Cobalt/cobalt oxide can apply to hydrogen reduction electro-catalysis direction, be conducive to the protection of environment and effective utilization of resource.
Embodiment 2：
Prepare lithium and cobalt oxides and carbon black blending type catalyst that lithium abjection amount is 50%.
（1）15 ~ 45ml anhydrous acetonitriles are added in round-bottomed flask, argon gas is passed through, 100 ~ 300mg cobalt acid lithiums, and one is added
Determine the oxidant nitronium tetrafluoroborate of quality, the two is dispersed in anhydrous acetonitrile, sealed after continuously stirring 30 ~ 45min of reaction；
（2）After stirring 18 ~ 30h under conditions of keeping sealing, suction filtration is carried out with vacuum filtration machine, washed with 50 ~ 200ml anhydrous acetonitriles
Wash several times, obtain being coated with the filter paper of sample, be put into baking oven and be dried, drying temperature is 60 ~ 80 DEG C, the time is 8 ~ 12h,
Obtain the lithium and cobalt oxides of de- lithium；
（3）Lithium and cobalt oxides and carbon black are blended, blending ratio is 0.3:1~1:1, obtain lithium and cobalt oxides and carbon black blending type
Catalyst.
Schemed by the lithium and cobalt oxides and the SEM and TEM of carbon black blending type catalyst prepared, the catalysis that discovery is prepared
At 5 μm or so, the abjection of lithium causes that crystallite dimension diminishes to the crystallite dimension of agent.Be can be seen that from XRD, the abjection prepared
The lithium and cobalt oxides characteristic peak positions of 50% lithium, peak position relative intensity corresponding with cobalt acid lithium reduces, corresponding with cobaltosic oxide
Peak position relative intensity becomes strong, the intermediateness in the two, confirms the part abjection of lithium.It is relative by characteristic peak from Raman figure
Strength Changes, it may be determined that the part abjection and the change of crystal structure of lithium.From polarization curve, it may be determined that catalyst is to oxygen
The catalysis activity of reduction reaction.
Embodiment 3：
Prepare lithium and cobalt oxides and carbon black blending type catalyst that lithium abjection amount is 10%.
（1）15 ~ 45ml anhydrous acetonitriles are added in round-bottomed flask, argon gas is passed through, 100 ~ 300mg cobalt acid lithiums, and one is added
Determine the oxidant nitronium tetrafluoroborate of quality, the two is dispersed in anhydrous acetonitrile, sealed after continuously stirring 30 ~ 45min of reaction；
（2）After stirring 18 ~ 30h under conditions of keeping sealing, suction filtration is carried out with vacuum filtration machine, washed with 50 ~ 200ml anhydrous acetonitriles
Wash several times, obtain being coated with the filter paper of sample, be put into baking oven and be dried, drying temperature is 60 ~ 80 DEG C, the time is 8 ~ 12h,
Obtain the lithium and cobalt oxides of de- lithium；
（3）Lithium and cobalt oxides and carbon black are blended, blending ratio is 0.3:1~1:1, obtain lithium and cobalt oxides and carbon black blending type
Catalyst.
Schemed by the lithium and cobalt oxides and the SEM and TEM of carbon black blending type catalyst prepared, the catalysis that discovery is prepared
At 5 μm or so, the abjection of lithium causes that crystallite dimension diminishes to the crystallite dimension of agent.Be can be seen that from XRD, the abjection prepared
The lithium and cobalt oxides characteristic peak positions of 10% lithium, peak position relative intensity corresponding with cobalt acid lithium reduces, corresponding with cobaltosic oxide
Peak position relative intensity becomes strong, the intermediateness in the two, confirms the part abjection of lithium.It is relative by characteristic peak from Raman figure
Strength Changes, it may be determined that the part abjection and the change of crystal structure of lithium.From polarization curve, it may be determined that catalyst is to oxygen
The catalysis activity of reduction reaction.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (9)
1. a kind of lithium and cobalt oxides and carbon black blending type catalyst, it is characterised in that the catalyst is solid powder, cobalt is lithium
The size of thing particle is less than or equal to 5 μm, and lithium and cobalt oxides and carbon black blending are uniform.
2. catalyst according to claim 1, it is characterised in that described lithium and cobalt oxides are business cobalt acid lithium or warp
Cross the de- lithium cobalt acid lithium of removing elemental lithium.
3. catalyst according to claim 1, it is characterised in that described carbon black is Vulcan XC-72, graphitized carbon
One or more in black, CNT, Graphene.
4. catalyst according to claim 1, it is characterised in that described lithium and cobalt oxides and the blending ratio of carbon black are
0.3:1~1:1。
5. catalyst according to claim 2, it is characterised in that described de- lithium cobalt acid lithium with discarded cobalt acid lithium be raw material
Prepare.
6. catalyst according to claim 5, it is characterised in that described de- lithium cobalt acid lithium is prepared via a method which
Arrive：
（1）Organic solvent is added in a reservoir, inert gas is passed through, and discarded cobalt acid lithium and oxidation are then added in organic solvent
Agent, the two is dispersed in organic solvent, is sealed after continuously stirring 30 ~ 45min of reaction；
（2）After stirring 18 ~ 30h under conditions of keeping sealing, suction filtration is carried out, use solvent cyclic washing, obtain being coated with sample
Filter paper, is put into baking oven and is dried, and drying temperature is 60 ~ 80 DEG C, and the time is 8 ~ 12h, obtains the lithium and cobalt oxides of de- lithium.
7. catalyst according to claim 6, it is characterised in that described oxidant is nitronium tetrafluoroborate, cobalt acid lithium and
The mol ratio of nitronium tetrafluoroborate is 1:0.1~1:1.
8. catalyst according to claim 6, it is characterised in that described solvent is anhydrous acetonitrile, described indifferent gas
Body is argon gas.
9. the lithium and cobalt oxides any one of claim 1-8 are catalyzed with carbon black blending type catalyst in redox reactions
The application of agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123474.9A CN106784898B (en) | 2017-03-03 | 2017-03-03 | A kind of lithium and cobalt oxides and carbon black blending type catalyst and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123474.9A CN106784898B (en) | 2017-03-03 | 2017-03-03 | A kind of lithium and cobalt oxides and carbon black blending type catalyst and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106784898A true CN106784898A (en) | 2017-05-31 |
| CN106784898B CN106784898B (en) | 2019-10-18 |
Family
ID=58959750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710123474.9A Active CN106784898B (en) | 2017-03-03 | 2017-03-03 | A kind of lithium and cobalt oxides and carbon black blending type catalyst and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106784898B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802144A (en) * | 2019-02-02 | 2019-05-24 | 北京师范大学 | A kind of atmosphere anode catalyst material and preparation method thereof |
| CN110526273A (en) * | 2019-09-02 | 2019-12-03 | 北京邮电大学 | A kind of method that the de- lithium of electrochemistry prepares high valence transition metal oxide-based nanomaterial |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080058204A1 (en) * | 2006-08-29 | 2008-03-06 | Hung-Chun Lai | Method for preparing catalyst platinum supported on lithium cobalt oxide |
| US20090214417A1 (en) * | 2007-12-26 | 2009-08-27 | University Of Delaware | Preparation of cobalt-boron alloy catalysts useful for generating hydrogen from borohydrides |
| CN102307661A (en) * | 2009-02-09 | 2012-01-04 | 巴斯夫欧洲公司 | Hydrogenation catalysts, the production and the use thereof |
| CN104495811A (en) * | 2014-12-12 | 2015-04-08 | 盐城市新能源化学储能与动力电源研究中心 | Graphene composite material and preparation method thereof |
| CN105514468A (en) * | 2010-12-16 | 2016-04-20 | 24M技术公司 | High energy density redox flow device |
-
2017
- 2017-03-03 CN CN201710123474.9A patent/CN106784898B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080058204A1 (en) * | 2006-08-29 | 2008-03-06 | Hung-Chun Lai | Method for preparing catalyst platinum supported on lithium cobalt oxide |
| US20090214417A1 (en) * | 2007-12-26 | 2009-08-27 | University Of Delaware | Preparation of cobalt-boron alloy catalysts useful for generating hydrogen from borohydrides |
| CN102307661A (en) * | 2009-02-09 | 2012-01-04 | 巴斯夫欧洲公司 | Hydrogenation catalysts, the production and the use thereof |
| CN105514468A (en) * | 2010-12-16 | 2016-04-20 | 24M技术公司 | High energy density redox flow device |
| CN104495811A (en) * | 2014-12-12 | 2015-04-08 | 盐城市新能源化学储能与动力电源研究中心 | Graphene composite material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| HONGCAN LIU ET AL: "LixCo3-xO4 solid solution nanocrystals supported on carbon black as a superior electrocatalyst for oxygen reduction reaction", 《MATERIALS LETTERS》 * |
| NORA COLLIGAN ET AL: "Evidence of Localized Lithium Removal in Layered and Lithiated Spinel Li1−xCoO2 (0 ≤ x ≤ 0.9) under Oxygen Evolution Reaction Conditions", 《J. PHYS. CHEM. C》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802144A (en) * | 2019-02-02 | 2019-05-24 | 北京师范大学 | A kind of atmosphere anode catalyst material and preparation method thereof |
| CN109802144B (en) * | 2019-02-02 | 2020-09-11 | 北京师范大学 | Atmosphere battery anode catalyst material and preparation method thereof |
| CN110526273A (en) * | 2019-09-02 | 2019-12-03 | 北京邮电大学 | A kind of method that the de- lithium of electrochemistry prepares high valence transition metal oxide-based nanomaterial |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106784898B (en) | 2019-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109755442B (en) | Preparation method of network-like carbon-supported iron-based compound material and application of network-like carbon-supported iron-based compound material in lithium-sulfur battery | |
| CN105552282A (en) | Lithium-sulfur battery based on functional carbon fiber cloth as positive electrode barrier layer | |
| CN107346825A (en) | Carbon-based nonmetallic hydrogen reduction/precipitation dual purpose catalyst of a kind of nitrogen, phosphor codoping and preparation method thereof | |
| Askari et al. | Construction of Co3O4-Ni3S4-rGO ternary hybrid as an efficient nanoelectrocatalyst for methanol and ethanol oxidation in alkaline media | |
| CN103545123A (en) | Hybrid energy storage device with zinc ion battery and supercapacitor | |
| CN109755504B (en) | Preparation method of ferriporphyrin/carbon nanotube composite positive electrode material and application of ferriporphyrin/carbon nanotube composite positive electrode material in positive electrode of lithium-sulfur battery | |
| CN103515609B (en) | THAQ/ graphene composite material, its preparation method, anode and lithium ion battery | |
| CN103515624A (en) | Carbon supported non-noble metal oxygen reduction compound catalyst, and preparation method and application thereof | |
| CN109244406A (en) | A kind of cobalt oxide/graphene lithium sulfur battery anode material and preparation method thereof | |
| CN107134372A (en) | Ultracapacitor based on transient metal sulfide/nitrogen-doped graphene Yu di-iron trioxide/graphene | |
| Na et al. | Surface-functionalized graphite felts: Enhanced performance in cerium-based redox flow batteries | |
| CN109037718A (en) | A kind of biomass carbon carried transition metal oxide composite and the preparation method and application thereof | |
| CN112968184B (en) | Electrocatalyst with sandwich structure and preparation method and application thereof | |
| Zhang et al. | Zirconium boride as a novel negative catalyst for vanadium redox flow battery | |
| CN108987688B (en) | Carbon-based composite material, preparation method and sodium ion battery | |
| CN112652779A (en) | High-activity oxygen reduction catalyst and preparation method and application thereof | |
| Wan et al. | A highly efficient biomass based electrocatalyst for cathodic performance of lithium–oxygen batteries: Yeast derived hydrothermal carbon | |
| CN108376789A (en) | Method for recycling waste alkaline manganese batteries into primary zinc-air batteries | |
| CN109786769B (en) | Carbon-supported noble metal oxide bifunctional catalyst and preparation method and application thereof | |
| CN106784898B (en) | A kind of lithium and cobalt oxides and carbon black blending type catalyst and its preparation method and application | |
| Su et al. | Improved performance of iron-chromium flow batteries using sno2-coated graphite felt electrodes | |
| Chen et al. | Recycling the Spent LiNi1− x− yMnxCoyO2 Cathodes for High‐Performance Electrocatalysts toward Both the Oxygen Catalytic and Methanol Oxidation Reactions | |
| CN111192997A (en) | Diaphragm for activated carbon-loaded tin oxide lithium-sulfur battery and preparation method and application thereof | |
| Ma et al. | Air activation enhances the porosity and N, O synergistic effect towards an efficient metal free carbon cathode for Li-O2 battery | |
| CN105097290B (en) | The application of the method and candle carbon of the metal compound electrode active material for mixing candle carbon in electrode active material is prepared is prepared on collector |
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 |