CN1699611A - Magnesium and multi-wall nano carbon tube composite hydrogen storage material and process for preparing same - Google Patents
Magnesium and multi-wall nano carbon tube composite hydrogen storage material and process for preparing same Download PDFInfo
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- CN1699611A CN1699611A CNA2004100205667A CN200410020566A CN1699611A CN 1699611 A CN1699611 A CN 1699611A CN A2004100205667 A CNA2004100205667 A CN A2004100205667A CN 200410020566 A CN200410020566 A CN 200410020566A CN 1699611 A CN1699611 A CN 1699611A
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The present invention relates to light nanometer composite hydrogen storage material, which comprises Mg and multi-wall nanometer carbon tube (MWNTs) and the composition expression is Mg/(x-wt%)MWNTs, here 0<x<=50. The Mg nanometer crystal is hydrogenated to form large quantity of hydrogenation phase MgH2 of nanometer structure and catalysis phase of multi-wall nanometer carbon tube debris. These three phases tightly connect to each other, forming uniform dispersion distribution. The preparation method is: Mg powder is mixed with multi-wall nanometer carbon tube and then ball-ground in hydrogen atmosphere to undertake catalysis reaction. The method combines the preparation, activation and hydrogenation of composite material in one process. The invention has the advantages of high power of the storage and release of hydrogen, high velocity of the absorption and release of hydrogen, moderate operation temperature, low weight, low production cost, abound resources and safety in storage and transportation. It can be used for the mass production, storage and transportation of hydrogen, the hydrogen carrier of fuel cell, the purge and purification of hydrogen, and organic hydrogenation engineering.
Description
Technical field
The present invention relates to composite hydrogen storage material, a kind of lightweight magnesium/multiple-wall carbon nanotube (Mg/MWNTs) nanocomposite hydrogen storage material and hydrogenation catalyst reaction ball milling preparation method thereof are provided especially.
Background technology
The energy is the basic substance that human society is depended on for existence and development.Hydrogen Energy then is the renewable energy resources of optimal a kind of cleaning of 21 century, has the speciality that can store and can transport simultaneously again.At present, it is the automobile-used energy that a kind of ideal zero pollutes.In recent years, the breakthrough of Proton Exchange Membrane Fuel Cells (PEMFC) technology is that the scale utilization of Hydrogen Energy in engineering fields such as electromobile and thrust submarine without issue laid a good foundation.
The whole world six big auto makers all drop into great amount of manpower and material resources and financial resources are developed research, are that " zero release " automobile of power begins commercial demonstration operation with PEMFC; Listed the fuel cell electric vehicle project in the great special project of China " 15 " 863 Program electromobile.About used for electric vehicle hydrogen source storage system, it is the weight hydrogen storage capability greater than 5wt.% and volume hydrogen storage capability greater than 50KgH that International Energy Agency (IEA) proposes target
2/ m
3The target of USDOE (DOE) is that the weight hydrogen storage capability is not less than 6.5wt.% and the volume hydrogen storage capability is not less than 62KgH
2/ m
3, and hydrogen discharging temperature is lower than 423K (150 ℃).Though the research and development of PEMFC electromobile are developed rapidly, also has suitable distance from real practicability, because must solve one of bottleneck of its application, i.e. on-board hydrogen source problem.For the two big approach that address this problem are vehicle-mounted pure hydrogen storage system and the quick cracking reforming hydrogen manufacturing of vehicle-mounted organism system.Yet from aspects such as safety, weight, cost, cleanings, all there is big drawback in these two kinds of systems, still need and seek a kind of safe, economic, hydrogen source carrier system efficiently.
Proved already in recent years that composite hydrogen storage material obviously was better than single type (AB as a kind of performance of novel hydrogen source carrier
5Type, AB type, AB
2Type and A
2Type B) hydrogen storage alloy, the hydrogen source carrier system of the above-mentioned target of the most potential realization surely belongs to the composite hydrogen storage material of magnesium.(the weight hydrogen storage capability is that 7.6wt.% and volume hydrogen storage capability are 143KgH to magnesium greatly because of it has hydrogen storage ability
2/ m
3), (nucleidic mass is 24.3) in light weight, cheap, aboundresources and suitable scale production, be acknowledged as the Hydrogen Energy solid support material of the industrialized development prospect of tool commercial applications.Yet magnesium has two important disadvantages: the one, and the suction of magnesium, hydrogen discharging speed are very slow; The 2nd, the hydride of magnesium is too stable, puts hydrogen working temperature height and (works as H
2When dividing potential drop is 1 normal atmosphere, MgH
2Decomposition temperature be 286 ℃ (559K).Therefore, how to improve magnesium to store the hydrogen performance, reduce working temperature be " focus " problem that people research and develop always.In the various improvement methods that adopt at present, an important approach is that compound and other metal, alloy or the nonmetallic substance of magnesium or magnesium are made composite hydrogen storage material, mainly contains following several:
(1) magnesium or magnesium hydride and hydrogen storage alloy is compound
Adopt the high-purity argon gas ball milling method to be prepared into Mg/40wt.%ZrFe
1.4Cr
0.6Nanocomposite hydrogen storage material.When 350 ℃ (623K), hydrogen absorption capacity was 3.4wt.% in 5 minutes, was 3.2wt.% and put hydrogen capacity; When 160 ℃ (433K), under the 1.0MPa hydrogen pressure, 5 minutes suction hydrogen 1.45wt.% (Chinese invention patent CN1303951A).
(2) hydrogen storage alloy and carbon nanotube is compound
Adopt catalytic pyrolysis or mechanical complex method to prepare Mg
2Ni/ carbon nanotube composite hydrogen storage material, its hydrogen storage capability are 5.2wt.% (Chinese invention patent CN1259584A).
(3) magnesium hydride and oxide compound is compound
Adopt the nanocrystalline composite material MgH of high energy ball mill method preparation
2/ Me
xO
y(Me
xO
y=Sc
2O
3, TiO
2, V
2O
5, Cr
2O
3, Mn
2O
3, Fe
3O
4, CuO, Al
2O
3, SiO
2), find Cr
2O
3Can make material have the fastest hydrogen absorption characteristic, and V
2O
5And Fe
3O
4Then can make matrix material have very fast hydrogen discharging performance (Oelerich W.et al., J Alloys Compd., (alloy and compound) 315 (2001) 237-242).
(4) magnesium or magnesium hydride and simple substance element is compound
Adopt the MgH of ball milling method preparation
2/ V matrix material, it is fast that it inhales hydrogen speed, under 373K temperature, 1.0MPa hydrogen pressure, inhaled hydrogen in 100 seconds and reach 4wt.%, reached 5.6wt% (Liang G.et al., JAlloys Compd., (alloy and compound) 291 (1999) 295-299) during 473K in 250 seconds.
(5) magnesium or Mg base hydrogen bearing alloy Mg
2Ni and carbon materials compound
Magnesium and graphite (G) are carried out mechanical ball milling with organic additive (tetrahydrofuran (THF), cyclohexane or benzene etc.) again obtain the Mg/G matrix material, obviously improve suction hydrogen desorption kinetics performance (the Imamura H.et al. of material, JAlloys Compd., (alloy and compound) 330-332 (2002) 579-583).
Other has carbon class (C
60, graphite etc.) and Mg
2Ni alloy ball milling is compound, reaches the purpose (Bouaricha S.et al., J Alloys Compd., (alloy and compound) 307 (2000) 226-233.) that improves kinetics and thermomechanical property.
Above-mentioned composite hydrogen storage material is not all obtained the progress of comprehensive integral performance.
At present, the technology of preparing comparative maturity of multiple-wall carbon nanotube, its main method has two kinds: (1) arc process; (2) catalytic pyrolysis method.The latter is the method that realizes preparing in a large number the high quality multiple-wall carbon nanotube, and output can reach per hour feather weight, and can control product diameter and directional property etc.The multiple-wall carbon nanotube hydrogen storage capability is because of condition difference difference to some extent, (Chen Y.et al., Appl Phys Lett., (Applied Physics wall bulletin) 78 (2001) 2128 from 0.8wt.% to 13wt.%; Cao A.Y.et al., Chem Phys Lett., (chemical physics wall bulletin) 342 (2001) 510; Zhu H.W.et al., Appl SurfSci., (applied surface science) 178 (2001) 50).
Summary of the invention
Purpose of the present invention has aimed to provide a kind of lightweight nanometer Mg/MWNTs composite hydrogen storage material and hydrogenation catalyst reaction ball milling preparation method thereof.This composite hydrogen storage material not only has working temperature gentleness (373K-553K), (the weight hydrogen storage capability is 2.0wt.%～7.0wt.% greatly to store Hydrogen Energy power, weight is put hydrogen capacity, and to be that 1.0wt.%～6.5wt.%), dynamic performance are good (inhale hydrogen speed and be and reached 80% of maximum hydrogen absorption capacity in 5～20 minutes, hydrogen discharging speed be reached in 10～40 minutes maximum put hydrogen capacity 80%) etc. excellent comprehensive integral performance, and in light weight, advantages such as cost is low, aboundresources, scale storing and transporting security.The purification that it can be widely used in hydrogen source carrier, the hydrogen of the macro preparation of hydrogen and accumulating, fuel cell is purified and engineering field such as organic hydrogenation catalyst.
Technical scheme of the present invention is:
A kind of magnesium/multiple-wall carbon nanotube composite hydrogen storage material, it is made up of magnesium and multiple-wall carbon nanotube, and its chemical constitution formula is: Mg/ (x-wt%) MWNTs, 0＜x in the formula≤50.
The preparation method of described magnesium/multiple-wall carbon nanotube composite hydrogen storage material, by described proportioning, at normal temperatures, 50 order to 200 order magnesium powder are mixed with multiple-wall carbon nanotube, ball milling in catalyzed reaction atmosphere, the ball powder mass ratio of ball milling is 10～30: 1, time is 2～50 hours, described catalyzed reaction atmosphere is high-purity hydrogen, filling hydrogen pressure is 0.1MPa, make preparation, activation and the hydrogenation of matrix material merge disposable finishing, nanocrystalline being hydrogenated of magnesium that the process ball milling obtains, and generate nanostructure hydrogenation phase MgH
2, multiple-wall carbon nanotube has been broken into the catalysis phase; Nanocrystalline magnesium, hydrogenation phase MgH
2Closely contact with the broken body of catalysis phase multiple-wall carbon nanotube, the three is the disperse uniform distribution.
Described multiple-wall carbon nanotube external diameter can be 5～150nm.
Can add catalyzer Y in the described catalytic reaction process
2O
3Powder and Ni powder; Y
2O
3The powder add-on accounts for 0～1% of magnesium and multiple-wall carbon nanotube quality sum, and Ni powder add-on accounts for 0～5% of magnesium and multiple-wall carbon nanotube quality sum.
Can also add catalyzer Zr powder and Ni powder in the described catalytic reaction process; Zr powder add-on accounts for 0～1% of magnesium and multiple-wall carbon nanotube quality sum, and Ni powder add-on accounts for 0～5% of magnesium and multiple-wall carbon nanotube quality sum.
It is with the direct ball milling in reaction atmosphere of material that the present invention adopts the hydrogenation reaction ball milling method, utilizes the carrying out that the accumulation of mechanical energy comes driving a reaction in the process of lapping.In the Composite Preparation process, utilize the katalysis of compound phase and providing of mechanical energy of accumulation to make magnesium that hydrogenation directly take place.This method has following distinguishing feature:
1, composite hydrogen storage material of the present invention is made up of magnesium and multiple-wall carbon nanotube, and its chemical constitution formula is: Mg/ (x-wt%) MWNTs, wherein 0＜x≤50; The magnesium of hydrogen storage capability height (7.6wt%), (nucleidic mass is 24.3) in light weight and technology of preparing maturation, multiple-wall carbon nanotube that output is high is full and uniform compound; Wherein magnesium is nanocrystalline is hydrogenated and generates a large amount of nanostructure hydrogenation phase MgH
2, multiple-wall carbon nanotube has been broken into the catalysis phase, closely contact and be the disperse uniform distribution of this three.
2, the present invention by fragility hydrogenation mutually and the generation of the broken body of multiple-wall carbon nanotube can solve the problem that the high tenacity of magnesium is brought, and realize the disperse uniform distribution of catalysis phase, and then guarantee giving full play to of its catalysis efficiency.
3, preparation method of the present invention merges disposable finishing with preparation, activation and the hydrogenation of matrix material, has very strong practical operability.
4, preparation method of the present invention promotes the quick generation of nanostructure hydrogenation phase, and reduces hydrogenation phase decomposition temperature, improves the hydrogen desorption kinetics performance.Behind the ball milling, the multiple-wall carbon nanotube in the matrix material (MWNTs) is fully compound with magnesium, has very high disperse uniform distribution degree, for giving full play to of the broken body catalysis efficiency of MWNTs provides guarantee; Simultaneously, high-energy ball milling has caused increasing considerably of Mg/MWNTs phase boundary, has also just further increased the shared volume fraction of crystal boundary, thereby just for the hydrogen atom diffusion provides more low intensity of activation passage, has improved the direct activation and the hydrogenation effect of matrix material.
Reaction ball milling method of the present invention is prepared into the Mg/MWNTs composite hydrogen storage material, for the test of means analysis such as XRD, SEM, TEM-SAED confirms.
Description of drawings
Fig. 1 be matrix material Mg/5wt.%MWNTs put hydrogen PCT curve.
Fig. 2 is the XRD style of matrix material Mg/5wt.%MWNts.
Fig. 3 a～Fig. 3 d is TEM pattern and the SEAD style of matrix material Mg/5wt.%MWNTs.
Fig. 4 is the suction hydrogen desorption kinetics curve of matrix material Mg/5wt.%MWNTs.
Embodiment
Below by embodiment in detail the present invention is described in detail.
200 order magnesium powder (purity is 98%) are added that 5wt.%MWNTs is (about external diameter 30nm, multiple-wall carbon nanotube adopts the preparation of catalytic organism pyrolysis method by the advanced raw material of wood-charcoal material in Shenyang Materials science country of Metal Inst., Chinese Academy of Sciences (associating) laboratory research department and provides) take by weighing by the certain mass ratio, constitute (2.85 parts of Mg+0.15 part MWNTs) component, add 0.02 part of Y again
2O
3Powder (purity is 4N) and 0.10 part of Ni powder (purity is 99.6%), in the agate alms bowl fully after the ground and mixed, being placed on diameter is that the steel ball of 6～12mm is sealed in the ball grinder again, ball powder ratio is 20: 1, after repeatedly vacuumizing, lead to the hydrogen operation, charge into 0.1MPa high-purity hydrogen (purity is 99.99%), ball milling is 5 hours at normal temperatures, preparation Mg/5wt.%MWNTs matrix material.Storing hydrogen capacity measures in standard Sievert ' s reaction unit.Fig. 1 provides matrix material Mg/5wt.%MWNTs and puts hydrogen PCT curve respectively under 373K, 473K, 553K and 598K temperature.Above-mentioned each temperature is under the 2.0MPa hydrogen pressure among the figure, and maximum is put hydrogen capacity and is respectively 0.41wt.%, 3.37wt.%, 5.70wt.%, 6.25wt.%.According to Van ' t Hoff equation: lnP=Δ H/RT-Δ S/R, calculate the thermodynamical coordinate (enthalpy change Δ H, Entropy Changes Δ S) of matrix material Mg/5wt.%MWNTs, list in table 1.By the table in as seen, the enthalpy change of matrix material Mg/5wt.%MWNTs and the absolute value of Entropy Changes all are lower than pure Mg, have reduced by 10.51% and 3.50% respectively.
The thermodynamical coordinate of table 1 matrix material Mg/5wt.%MWNTs and pure magnesium (enthalpy change, Entropy Changes)
Material enthalpy change KJ/mol Entropy Changes J/ (molK)
Mg/MWNTs -67.32 -130.53
Pure magnesium
*-74.40-135.10
*(Massalaki T B, Binary Alloy Phase Diagrams, (binary alloy phase diagram) 2
NdEd., ASMInternational, 1996)
Fig. 2 is the XRD diffraction pattern by the composite hydrogen storage material Mg/5wt.%MWNTs of embodiment 1 gained; Can see (002) diffraction peak of MWNTs, (100), (002) and (101) diffraction peak and the MgH of Mg among the figure
2Diffraction peak.Matrix material Mg/5wt.%MWNTs is the hydrogen discharging speed under the 0.010Mpa hydrogen pressure condition when 373K, 473K, 553K and 598K temperature, finished maximum at 35,27,12 and 10 minutes respectively and put 80% of hydrogen capacity, its hydrogen discharging speed hurriedly subtracts order and is: 598K＞553K＞473K＞373K.Wherein, matrix material Mg/5wt.%MWNTs under the 0.010MPa hydrogen pressure condition, finished maximum at 25 minutes and puts hydrogen capacity 5.7wt.% when the 553K temperature; And nanocrystalline M g hydride under the 0.015MPa hydrogen pressure condition, was finished maximum and is put hydrogen capacity 2.2wt.% (Huot J., J Alloys Compd., (alloy and compound) 293-295 (1999) 495-500) when the 573K temperature at 33 minutes.Both compare, and not only maximum is put the remarkable increase of hydrogen capacity but also the hydrogen desorption kinetics performance obviously improves for the former.Why the hydrogen discharging performance of Mg/5wt.%MWNTs improves, and this is owing in the hydrogenation reaction mechanical milling process, utilize compound phase katalysis and ball milling accumulation mechanical energy to provide and make the magnesium direct hydrogenation, and reduced the working temperature of matrix material.
150 order magnesium powder (purity is 98%), 5wt.%MWNTs (about external diameter 50nm) are taken by weighing by the certain mass ratio, constitute (2.85 parts of Mg+0.15 part MENTs) component, add 0.01 part of Zr powder (purity is 98%) and 0.10 part of Ni powder (purity is 99.6%) again, ball powder ratio is 15: 1, charge into 0.1MPa high-purity hydrogen (purity is 99.99%), ball milling is 12 hours at normal temperatures, prepares the Mg/5wt.%MWNTs matrix material by the same quadrat method of embodiment 1.Fig. 3 is the TEM pattern and the SEAD diffraction pattern of this matrix material.Fig. 3 (a) is that the light field of composite particles resembles, and presents fully compound between the various test portions, evenly fine and close.Fig. 3 (b) is and the relevant electron diffraction pattern of Fig. 3 (a), wherein Mg, MgH
2Diffraction ring fairly obvious.Fig. 3 (c) and Fig. 3 (d) are respectively Mg and MgH among Fig. 3 (b)
2The corresponding dark field image of diffraction ring all is bright contrast particles of several nanometer to tens nanoscales among two figure, is respectively nanocrystalline M g and nanostructure hydrogenation MgH mutually
2Press the method for testing and analyzing of embodiment 1, obtain to store hydrogen capacity and inhale the hydrogen desorption kinetics performance.
Fig. 4 has provided the suction hydrogen desorption kinetics curve of matrix material Mg/5wt.%MWNTs under differing temps.Under the 2.0MPa hydrogen pressure, when temperature was 298K, 373K, 473K and 553K, the maximum hydrogen storage capability of this material was respectively 0.65wt.%, 5.34wt.%, 5.89wt.% and 6.08wt.%.At each temperature, finished 80% of maximum hydrogen storage capability respectively at 20,15,2 and 1 minutes among the figure, its suction hydrogen speed hurriedly increases order and is: 298K＜373K＜473K＜553K.The maximum of this material is put hydrogen capacity and is respectively 0.01wt.%, 0.37wt.%, 3.62wt.% and 5.88wt.%.Its hydrogen discharging speed hurriedly increases order: 298K＜373K＜473K＜553K.
Embodiment 3
100 order magnesium powder (purity is 98%), MWNTs (about external diameter 100nm) are taken by weighing by the certain mass ratio, constitute (2.40 parts of Mg+0.60 part MWNTs) component, add 0.01 part of Zr powder (purity is 98%) and 0.12 part of Ni powder (purity is 99.6%) again, ball powder ratio is 10: 1, charge into 0.1MPa high-purity hydrogen (purity is 99.99%), 30 hours ball milling time at normal temperatures, prepare the Mg/20wt.%MWNTs matrix material by the same quadrat method of embodiment 1.Method for testing and analyzing by embodiment 1 is tested.
Under 298K, 373K, 473K and 553K temperature and 2.0MPa hydrogen pressure condition, maximum hydrogen storage capability is respectively 0.90wt.%, 2.11wt.%, 2.68wt.% and 2.75wt.% to matrix material Mg/20wt.%MWNTs respectively.At each temperature above-mentioned, finished 80% of maximum storage hydrogen quantity respectively at 20,15,5 and 5 minutes; It is similar substantially when 473K and 553K that it inhales hydrogen speed, slow slightly during 373K, the slowest during 298K.
Embodiment 4
50 order magnesium powder (purity is 98%), MWNTs (about external diameter 15nm) are taken by weighing by the certain mass ratio, constitute (1.50 parts of Mg+1.50 part MWNTs) component, add 0.01 part of Zr powder (purity is 98%) and 0.12 part of Ni powder (purity is 99.6%) again, ball powder ratio is 30: 1, charge into 0.1MPa high-purity hydrogen (purity is 99.99%), 50 hours ball milling time at normal temperatures, prepare the Mg/50WT.%MWNTs matrix material by the same quadrat method of embodiment 1.Method for testing and analyzing by embodiment 1 is tested.
Experiment records, and under 298K, 373K, 473K and 553K temperature and 2.0MPa hydrogen pressure condition, maximum storage hydrogen quantity is respectively 0.61wt.%, 1.97wt.%, 2.43wt.% and 2.55wt.% to matrix material Mg/50wt.%MWNTs respectively.
Claims (5)
1, a kind of magnesium/multiple-wall carbon nanotube composite hydrogen storage material is characterized in that it is made up of magnesium and multiple-wall carbon nanotube, and its chemical constitution formula is: Mg/ (x-wt%) MWNTs, 0＜x in the formula≤50.
2, press the preparation method of the described magnesium of claim 1/multiple-wall carbon nanotube composite hydrogen storage material, it is characterized in that: by described proportioning, at normal temperatures, 50 order to 200 order magnesium powder are mixed with multiple-wall carbon nanotube, ball milling in catalyzed reaction atmosphere, the ball powder mass ratio of ball milling is 10～30: 1, time is 2～50 hours, described catalyzed reaction atmosphere is high-purity hydrogen, filling hydrogen pressure is 0.1MPa, make preparation, activation and the hydrogenation of matrix material merge disposable finishing, nanocrystalline being hydrogenated of magnesium that the process ball milling obtains, and generate nanostructure hydrogenation phase MgH
2, multiple-wall carbon nanotube has been broken into the catalysis phase; Nanocrystalline magnesium, hydrogenation phase MgH
2Closely contact with the broken body of catalysis phase multiple-wall carbon nanotube, the three is the disperse uniform distribution.
3, according to the preparation method of the described magnesium of claim 2/multiple-wall carbon nanotube composite hydrogen storage material, it is characterized in that: described multiple-wall carbon nanotube external diameter is 5～150nm.
4, according to the preparation method of the described magnesium of claim 2/multiple-wall carbon nanotube composite hydrogen storage material, it is characterized in that: add catalyzer Y in the described catalytic reaction process
2O
3Powder and Ni powder; Y
2O
3The powder add-on accounts for 0～1% of magnesium and multiple-wall carbon nanotube quality sum, and Ni powder add-on accounts for 0～5% of magnesium and multiple-wall carbon nanotube quality sum.
5, according to the preparation method of the described magnesium of claim 2/multiple-wall carbon nanotube composite hydrogen storage material, it is characterized in that: add catalyzer Zr powder and Ni powder in the described catalytic reaction process; Zr powder add-on accounts for 0～1% of magnesium and multiple-wall carbon nanotube quality sum, and Ni powder add-on accounts for 0～5% of magnesium and multiple-wall carbon nanotube quality sum.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG159438A1 (en) * | 2008-08-25 | 2010-03-30 | Ind Tech Res Inst | Nanotization of magnesium-based hydrogen storage material |
| CN103003985A (en) * | 2010-07-15 | 2013-03-27 | 丰田自动车株式会社 | Anode material, metal secondary battery, and method for production of anode material |
| CN111850366A (en) * | 2020-06-12 | 2020-10-30 | 榆林学院 | Oxide-loaded magnesium-nickel alloy hydrogen storage composite material and preparation method thereof |
| CN112126927A (en) * | 2019-06-24 | 2020-12-25 | 北京师范大学 | Preparation method of hydrogen storage material |
| CN112921188A (en) * | 2019-12-05 | 2021-06-08 | 本田技研工业株式会社 | Magnesium powder anodes and electrochemical cells comprising such anodes |
-
2004
- 2004-05-19 CN CNB2004100205667A patent/CN100338798C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG159438A1 (en) * | 2008-08-25 | 2010-03-30 | Ind Tech Res Inst | Nanotization of magnesium-based hydrogen storage material |
| US8056840B2 (en) | 2008-08-25 | 2011-11-15 | Industrial Technology Research Institute | Nanotization of magnesium-based hydrogen storage material |
| CN103003985A (en) * | 2010-07-15 | 2013-03-27 | 丰田自动车株式会社 | Anode material, metal secondary battery, and method for production of anode material |
| CN103003985B (en) * | 2010-07-15 | 2015-09-30 | 丰田自动车株式会社 | Anode material, metal secondary batteries and prepare the method for anode material |
| CN112126927A (en) * | 2019-06-24 | 2020-12-25 | 北京师范大学 | Preparation method of hydrogen storage material |
| CN112126927B (en) * | 2019-06-24 | 2022-03-01 | 北京师范大学 | Preparation method of hydrogen storage material |
| CN112921188A (en) * | 2019-12-05 | 2021-06-08 | 本田技研工业株式会社 | Magnesium powder anodes and electrochemical cells comprising such anodes |
| CN112921188B (en) * | 2019-12-05 | 2023-10-13 | 本田技研工业株式会社 | Magnesium powder anode and electrochemical cell comprising such anode |
| CN111850366A (en) * | 2020-06-12 | 2020-10-30 | 榆林学院 | Oxide-loaded magnesium-nickel alloy hydrogen storage composite material and preparation method thereof |
| CN111850366B (en) * | 2020-06-12 | 2021-06-18 | 榆林学院 | Oxide-loaded magnesium-nickel alloy hydrogen storage composite material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN100338798C (en) | 2007-09-19 |
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