CN110186817A - The test method of hydrogen storing alloy powder pulverization rate - Google Patents
The test method of hydrogen storing alloy powder pulverization rate Download PDFInfo
- Publication number
- CN110186817A CN110186817A CN201910623902.3A CN201910623902A CN110186817A CN 110186817 A CN110186817 A CN 110186817A CN 201910623902 A CN201910623902 A CN 201910623902A CN 110186817 A CN110186817 A CN 110186817A
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- test sample
- test
- powder
- alloy powder
- 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
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 81
- 239000001257 hydrogen Substances 0.000 title claims abstract description 81
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000000843 powder Substances 0.000 title claims abstract description 54
- 239000000956 alloy Substances 0.000 title claims abstract description 42
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 40
- 238000010298 pulverizing process Methods 0.000 title claims abstract description 25
- 238000010998 test method Methods 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 55
- 239000001996 bearing alloy Substances 0.000 claims abstract description 19
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 10
- 230000004913 activation Effects 0.000 claims abstract description 8
- 238000011156 evaluation Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 150000002431 hydrogen Chemical class 0.000 abstract description 6
- 238000005070 sampling Methods 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 4
- 239000011232 storage material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N2015/0277—Average size only
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention provides a kind of test methods of hydrogen storing alloy powder pulverization rate, it prepares to form test sample by formulated method first, test sample is measured to the D50 average grain diameter before cycles samples using laser particle analyzer, 2~3g test sample is taken to use PCT recycle unit later, suction hydrogen is carried out to test sample after test sample high-temperature activation, hydrogen release recycles 1~30 time, it finally will be by inhaling hydrogen, test sample after hydrogen release circulation measures the D50 average grain diameter after cycles samples using laser particle analyzer, the ratio of the D50 average grain diameter before D50 average grain diameter and cycles samples after calculating cycles samples, the ratio is multiplied by 100% as the hydrogen bearing alloy piece of needs evaluation and test or the pulverization rate of hydrogen storing alloy powder.The test method of hydrogen storing alloy powder pulverization rate of the invention, simple possible, sampling method is special, and test assessment cycle is fast, and measuring accuracy is high.
Description
Technical field
The present invention relates to a kind of test methods of hydrogen storing alloy powder pulverization rate.
Background technique
As development is told in the continuous expansion and human society of population, lead to the sharp increase of energy consumption, Wo Mensuo
The many energy relied on, will all face exhaustion.And hydrogen energy source, since it is resourceful, the advantages that energy density is high, pollution-free,
It has been shown good application prospect that, and the carrier as hydrogen, hydrogen storage material are then the passes that can be applied to hydrogen energy source in practice
Key, thus the exploitation for hydrogen storage material, evaluation, using being the effective use for being conducive to hydrogen energy source.For the storage developed
Alloy material for hydrogen, existing lifetime estimation method are after being prepared as open cell using alloy material, to assess the service life of battery
Situation, this method test period is longer, produces open cell and is not easy, and can introduce the interference of the materials such as anode, diaphragm.
Summary of the invention
The present invention is intended to provide a kind of simple possible, sampling method are special, the test storage that assessment cycle is fast, measuring accuracy is high
The test method of hydrogen alloyed powder pulverization rate.
The present invention is realized by the following scheme:
A kind of test method of hydrogen storing alloy powder pulverization rate, sequentially includes the following steps:
(1) take constant weight that the hydrogen bearing alloy piece evaluated and tested or hydrogen storing alloy powder is needed to carry out grind into powder, by powder according to
Secondary 270 mesh of mistake, 400 mesh, 600 mesh screens obtained the oversize powder of 400 mesh screens and crossed the oversize powder of 600 mesh screens, will
The oversize powder for crossing 400 mesh screens is matched with the oversize powder 1.5~2:1 in mass ratio for crossing 600 mesh screens and is mixed
Test sample is measured the D50 average grain diameter before cycles samples by even formation test sample using laser particle analyzer；Actual test
When, the weight of the hydrogen bearing alloy piece or hydrogen storing alloy powder that need to evaluate and test generally takes 1~20Kg, hydrogen bearing alloy piece or hydrogen storing alloy powder
Model can be AB type, A2Type B, AB2Type, AB5Type, milling time general control are 5~40min；
(2) test sample for taking 2~3g step (1) proportion to be formed first is carried out test sample using PCT recycle unit
High-temperature activation carries out suction hydrogen to test sample at a certain temperature later, hydrogen release recycles 1~30 time；The temperature of test sample activation
Preferably 220~300 DEG C of degree, the suction hydrogen of test sample activation, the temperature of hydrogen release circulation are preferably 10~80 DEG C；
(3) D50 after the test sample after step (2) circulation to be measured to cycles samples using laser particle analyzer is average
Partial size, the ratio of the D50 average grain diameter after calculating cycles samples later and the D50 average grain diameter before cycles samples, the ratio multiply
The pulverization rate of the hydrogen bearing alloy piece or hydrogen storing alloy powder evaluated and tested using 100% as the needs.
The test method of hydrogen storing alloy powder pulverization rate of the invention, by special sample preparation dispensing mode by test sample
Granularity is adjusted to specified particle size, completes to recycle the suction hydrogen and hydrogen release of test sample using PCT recycle unit, by sharp
Light particle size analyzer tests test sample using laser diffraction method, the D50 average grain diameter result that circulation front and back is measured into
Row calculates, and the anti-powdering degree of comparative analysis hydrogen bearing alloy piece or hydrogen storing alloy powder is carried out with this, can be according to pulverization rate come quickly pre-
The service life of hydrogen bearing alloy piece or hydrogen storing alloy powder in the battery is surveyed, the method phase with existing open cell assessment battery life
Than more simply, quickly.The test method of hydrogen storing alloy powder pulverization rate of the invention, simple possible, test assessment cycle is fast,
Measuring accuracy is high.
Specific embodiment
The invention will be further described with reference to embodiments, but the invention is not limited to the statements of embodiment.
Embodiment 1
A kind of test method of hydrogen storing alloy powder pulverization rate, sequentially includes the following steps:
(1) take 10kg that the hydrogen bearing alloy piece evaluated and tested or hydrogen storing alloy powder is needed to be placed in Yan Portland and at the uniform velocity pulverized
End, milling time control are 30min, and powder is successively crossed 270 mesh, 400 mesh, 600 mesh screens, obtained the sieve of 400 mesh screens
Upper powder and the oversize powder for crossing 600 mesh screens will cross the oversize powder of 400 mesh screens and cross the oversize powder of 600 mesh screens
2:1 in mass ratio match and be uniformly mixed forming test sample, and test sample is measured sample using laser particle analyzer and is followed
D50 average grain diameter before ring；
(2) test sample for taking 2g step (1) proportion to be formed, using PCT recycle unit, first by test sample at 250 DEG C
Under activated, later at 45 DEG C to test sample carry out suction hydrogen, hydrogen release recycle 10 times；
(3) D50 after the test sample after step (2) circulation to be measured to cycles samples using laser particle analyzer is average
Partial size, the ratio of the D50 average grain diameter after calculating cycles samples later and the D50 average grain diameter before cycles samples, the ratio multiply
The pulverization rate for the hydrogen bearing alloy piece evaluated and tested using 100% as the needs.
By AB5The hydrogen bearing alloy piece or hydrogen storing alloy powder of certain two kinds of different ratio of type respectively as described in Example 1 into
The test of row pulverization rate is ordered the hydrogen bearing alloy piece of two kinds of different ratios or hydrogen storing alloy powder respectively as M alloy, N for convenience of describing
Alloy, test result are shown in Table 1.
Table 1
Embodiment 2
A kind of survey of the hydrogen storing alloy powder pulverization rate of the test method of hydrogen storing alloy powder pulverization rate, step and embodiment 1
The step of method for testing, is essentially identical, the difference is that:
1, in step (1), the weight of the hydrogen bearing alloy piece or hydrogen storing alloy powder that need to evaluate and test is 20kg, milling time control
For 40min；The mass ratio crossed the oversize powder of 400 mesh screens and cross the oversize powder of 600 mesh screens is 1.5:1；
2, in step (2), the weight of test sample is 3g, and the temperature of test sample activation is 300 DEG C, to survey at 10 DEG C
Test agent carries out suction hydrogen, hydrogen release recycles 30 times.
By AB5The hydrogen bearing alloy piece or hydrogen storing alloy powder of certain two kinds of different ratio of type respectively as described in Example 2 into
The test of row pulverization rate is ordered the hydrogen bearing alloy piece of two kinds of different ratios or hydrogen storing alloy powder respectively as M alloy, N for convenience of describing
Alloy, test result are shown in Table 2.
Table 2
Embodiment 3
A kind of survey of the hydrogen storing alloy powder pulverization rate of the test method of hydrogen storing alloy powder pulverization rate, step and embodiment 1
The step of method for testing, is essentially identical, the difference is that:
1, in step (1), the weight of the hydrogen bearing alloy piece or hydrogen storing alloy powder that need to evaluate and test is 1kg, milling time control
For 10min；
2, in step (2), the temperature of test sample activation is 220 DEG C, carries out suction hydrogen, hydrogen release to test sample at 80 DEG C
Circulation 20 times.
By AB5The hydrogen bearing alloy piece or hydrogen storing alloy powder of certain two kinds of different ratio of type respectively as described in Example 3 into
The test of row pulverization rate is ordered the hydrogen bearing alloy piece of two kinds of different ratios or hydrogen storing alloy powder respectively as M alloy, N for convenience of describing
Alloy, test result are shown in Table 3.
Table 3
Claims (3)
1. a kind of test method of hydrogen storing alloy powder pulverization rate, it is characterised in that: sequentially include the following steps:
(1) take constant weight that the hydrogen bearing alloy piece evaluated and tested or hydrogen storing alloy powder is needed to carry out grind into powder, by powder successively mistake
270 mesh, 400 mesh, 600 mesh screens obtained the oversize powder of 400 mesh screens and crossed the oversize powder of 600 mesh screens, incited somebody to action
The oversize powder of 400 mesh screens is matched and is uniformly mixed with the oversize powder 1.5~2:1 in mass ratio for crossing 600 mesh screens
Test sample is formed, test sample is measured to the D50 average grain diameter before cycles samples using laser particle analyzer；
(2) test sample is first carried out high temperature using PCT recycle unit by the test sample for taking 2~3g step (1) proportion to be formed
Activation carries out suction hydrogen to test sample at a certain temperature later, hydrogen release recycles 1~30 time；
(3) test sample after step (2) circulation the D50 after cycles samples is measured using laser particle analyzer to be averaged grain
Diameter, later calculate cycles samples after D50 average grain diameter and cycles samples before D50 average grain diameter ratio, the ratio multiplied by
100% as the hydrogen bearing alloy piece of needs evaluation and test or the pulverization rate of hydrogen storing alloy powder.
2. the test method of hydrogen storing alloy powder pulverization rate as described in claim 1, it is characterised in that: in the step (2), survey
The activation temperature of test agent is 220~300 DEG C.
3. the test method of hydrogen storing alloy powder pulverization rate as claimed in claim 1 or 2, it is characterised in that: the step (2)
In, the suction hydrogen of test sample, the temperature of hydrogen release circulation are 10~80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623902.3A CN110186817A (en) | 2019-07-11 | 2019-07-11 | The test method of hydrogen storing alloy powder pulverization rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623902.3A CN110186817A (en) | 2019-07-11 | 2019-07-11 | The test method of hydrogen storing alloy powder pulverization rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110186817A true CN110186817A (en) | 2019-08-30 |
Family
ID=67725660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910623902.3A Pending CN110186817A (en) | 2019-07-11 | 2019-07-11 | The test method of hydrogen storing alloy powder pulverization rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110186817A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795923A (en) * | 2020-08-24 | 2020-10-20 | 兰州金川科力远电池有限公司 | Method for rapidly testing corrosion resistance of hydrogen storage alloy powder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327152A (en) * | 2000-06-07 | 2001-12-19 | 信息产业部电子第十八研究所 | Complex test device and test method for mixed rare earth hydrogen storage alloy hydrogenizing property |
| CN101123306A (en) * | 2006-08-10 | 2008-02-13 | 比亚迪股份有限公司 | A hydrogen storage alloy powder |
| CN101633043A (en) * | 2008-07-23 | 2010-01-27 | 甘肃稀土新材料股份有限公司 | Preparation method of high performance hydrogen storage alloy powder |
| CN104296988A (en) * | 2014-10-31 | 2015-01-21 | 江西稀有稀土金属钨业集团有限公司 | Method for verifying standard sieve through laser particle size |
| CN104308144A (en) * | 2014-10-11 | 2015-01-28 | 中国工程物理研究院材料研究所 | Method for enhancing performance of ZrCo alloy to resist CO, CO2 and air poison and anti-pulverization performance of alloy |
| CN105004595A (en) * | 2015-08-05 | 2015-10-28 | 江西稀有稀土金属钨业集团有限公司 | Hydrogen storage alloy sampling and sample preparing method and system |
| CN108682826A (en) * | 2018-06-04 | 2018-10-19 | 重庆公共运输职业学院 | A kind of magnesium-based hydride air cell |
-
2019
- 2019-07-11 CN CN201910623902.3A patent/CN110186817A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327152A (en) * | 2000-06-07 | 2001-12-19 | 信息产业部电子第十八研究所 | Complex test device and test method for mixed rare earth hydrogen storage alloy hydrogenizing property |
| CN101123306A (en) * | 2006-08-10 | 2008-02-13 | 比亚迪股份有限公司 | A hydrogen storage alloy powder |
| CN101633043A (en) * | 2008-07-23 | 2010-01-27 | 甘肃稀土新材料股份有限公司 | Preparation method of high performance hydrogen storage alloy powder |
| CN104308144A (en) * | 2014-10-11 | 2015-01-28 | 中国工程物理研究院材料研究所 | Method for enhancing performance of ZrCo alloy to resist CO, CO2 and air poison and anti-pulverization performance of alloy |
| CN104296988A (en) * | 2014-10-31 | 2015-01-21 | 江西稀有稀土金属钨业集团有限公司 | Method for verifying standard sieve through laser particle size |
| CN105004595A (en) * | 2015-08-05 | 2015-10-28 | 江西稀有稀土金属钨业集团有限公司 | Hydrogen storage alloy sampling and sample preparing method and system |
| CN108682826A (en) * | 2018-06-04 | 2018-10-19 | 重庆公共运输职业学院 | A kind of magnesium-based hydride air cell |
Non-Patent Citations (2)
| Title |
|---|
| 冯胜: "《精细化工新配方》", 30 April 2011, 广东科技出版社 * |
| 田晓: "《金属储氢电极材料研究》", 30 June 2018, 北京邮电大学出版 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795923A (en) * | 2020-08-24 | 2020-10-20 | 兰州金川科力远电池有限公司 | Method for rapidly testing corrosion resistance of hydrogen storage alloy powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Just et al. | Neutrino absorption and other physics dependencies in neutrino-cooled black hole accretion discs | |
| Abfalterer et al. | Measurement of neutron total cross sections up to 560 MeV | |
| Anthony et al. | Precision measurement of the weak mixing angle in Møller scattering | |
| Anderson et al. | First measurements of inclusive muon neutrino charged current differential cross sections on argon | |
| Johnson et al. | Indications of flow near maximum compression in layered deuterium-tritium implosions at the National Ignition Facility | |
| Seitenzahl et al. | Nucleosynthesis in thermonuclear supernovae | |
| Miles et al. | Anomalous effects involving excess power, radiation, and helium production during D2O electrolysis using palladium cathodes | |
| Hagelstein | Constraints on energetic particles in the Fleischmann–Pons experiment | |
| CN110186817A (en) | The test method of hydrogen storing alloy powder pulverization rate | |
| CN109752292A (en) | A kind of test method of the particle size and its distribution of three aluminum hydrides | |
| CN109164020A (en) | A method of detection anode material for lithium-ion batteries grain composition situation | |
| Liu et al. | Exploring nuclear symmetry energy with isospin dependence in neutron skin thickness of nuclei | |
| Glassman et al. | Doppler broadening in Mg 20 (β p γ) Ne 19 decay | |
| Butkevich | Quasi-elastic neutrino charged-current scattering off medium-heavy nuclei: 40 Ca and 40 Ar | |
| Kushnir et al. | Nonthermal emission from clusters of galaxies | |
| Mazrou et al. | MCNP5 evaluation of a response matrix of a Bonner Sphere Spectrometer with a high efficiency 6 LiI (Eu) detector from 0.01 eV to 20 MeV neutrons | |
| Wiedner et al. | Hidden strangeness in the proton? Determination of the real part of the isospin-even forward-scattering amplitude of pion-nucleon scattering at 54.3 MeV | |
| Wilson et al. | Multifluid interpenetration mixing in directly driven inertial confinement fusion capsule implosions | |
| Gozzi et al. | Evidences for associated heat generation and nuclear products release in palladium heavy-water electrolysis | |
| Forrest et al. | First measurements of deuterium-tritium and deuterium-deuterium fusion reaction yields in ignition-scalable direct-drive implosions | |
| Liu et al. | Measurement of the B 10 (α, n 0) 13 N cross section for 2.2< E α< 4.9 MeV and its application as a diagnostic at the National Ignition Facility | |
| CN109959645A (en) | The evaluation method and device of lithium ion battery case nuclear structural materials cladding completeness | |
| Grange et al. | New Results from MiniBooNE Charged‐Current Quasi‐Elastic Anti‐Neutrino Data | |
| Bench | The T2K experiment: current status and results | |
| Bergman et al. | Testing the Compatibility of the Depth of the Shower Maximum Measurements performed at Telescope Array and the Pierre Auger Observatory-Auger-TA Mass Composition Working Group Report |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190830 |