CN1375570A - New-type hydrogen-storing RE electrode alloy for secondary Ni-metal oxide battery - Google Patents
New-type hydrogen-storing RE electrode alloy for secondary Ni-metal oxide battery Download PDFInfo
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- CN1375570A CN1375570A CN01131899A CN01131899A CN1375570A CN 1375570 A CN1375570 A CN 1375570A CN 01131899 A CN01131899 A CN 01131899A CN 01131899 A CN01131899 A CN 01131899A CN 1375570 A CN1375570 A CN 1375570A
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 49
- 239000000956 alloy Substances 0.000 title claims abstract description 49
- 229910044991 metal oxide Inorganic materials 0.000 title 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 15
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- 229910052796 boron Inorganic materials 0.000 claims abstract description 5
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 3
- GKXJWSZPLIKUPS-IUNAMMOKSA-N N-[(2Z,6Z)-2,6-bis(hydroxyimino)cyclohexylidene]hydroxylamine Chemical compound O\N=C1\CCC\C(=N\O)C1=NO GKXJWSZPLIKUPS-IUNAMMOKSA-N 0.000 claims abstract description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 3
- 229910006087 NiCoN Inorganic materials 0.000 claims abstract description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 3
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 3
- 229910052790 beryllium Inorganic materials 0.000 claims abstract description 3
- 229910052793 cadmium Inorganic materials 0.000 claims abstract description 3
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 3
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 3
- 229910052802 copper Inorganic materials 0.000 claims abstract description 3
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 3
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 3
- 229910052738 indium Inorganic materials 0.000 claims abstract description 3
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 3
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 3
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 3
- 229910052711 selenium Inorganic materials 0.000 claims abstract description 3
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 3
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 3
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 3
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 3
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 3
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 3
- 229910052987 metal hydride Inorganic materials 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- 229910018095 Ni-MH Inorganic materials 0.000 abstract 1
- 229910018477 Ni—MH Inorganic materials 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- 229910052718 tin Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 229910006020 NiCoAl Inorganic materials 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910003307 Ni-Cd Inorganic materials 0.000 description 1
- 229910003266 NiCo Inorganic materials 0.000 description 1
- 229910006025 NiCoMn Inorganic materials 0.000 description 1
- 229910002640 NiOOH Inorganic materials 0.000 description 1
- RZJQYRCNDBMIAG-UHFFFAOYSA-N [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] Chemical class [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] RZJQYRCNDBMIAG-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910001068 laves phase Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- 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
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Abstract
The composition of new type rare earth system hydrogen-storing electrode alloy which high electrochemical volume, long cycle life and good high-multiplying power characteristics for Ni-MH secondary cell is ABx, in which A=La1-yMy, B=(NiCoN), y is greater than or equal to 0.01 and less than or equal to 0.8; x is greater than or equal to 2.0 and less than or equal to 4.0; M is one or two or more than two kinds of Ce, Pr, Nd, Mg, Ca, Be, Sr, and Ba, And Ni is one or two or more than two kinds of Mn, Fe, Mo, Co, Al, Si, Ga, S, Sc, Ti, V, Cr, Cu, Zn, Zr, Nb, RA, Rh, Cd, W, Hf, Ta, B, P, Ge, As, Se. In and Sn.
Description
Technical field
The present invention relates to metal hydride secondary battery, relate in particular to a kind of new rare-earth based hydrogen storage electrode alloy used for Nickel-Metal Hydride rechargeable batteries.
Background technology
In recent years, because nickel-metal hydrides (Ni-MH) secondary cell, with respect to the Ni-Cd secondary cell, have the capacity height, have extended cycle life, memory-less effect, anti-over-charging, cross advantage such as the strong and non-environmental-pollution of exoergic power and become the focus of lot of domestic and foreign scholar's research.
From at present, the more hydrogen-storing alloy as electrode of people's research comprises rare earth based AB
5Type alloy, AB
2Type alloy, Magnuminium and vanadium radical sosoloid alloy.Wherein, to rare earth based AB
5The research of type alloy is the most ripe, and has realized industrialization.But because rare earth based AB
5The capacity of type alloy is lower, and this has just impelled people to remove the higher hydrogen-storing alloy as electrode of research and development capacity.
AB
2Type Laves phase alloy was once once causing people's attention, and it has higher electrochemical discharge capacity and long cycle life, but its large current discharging capability and initial stage activation performance are poor, and cost is higher, so be difficult to practicability.Magnuminium is owing to adopt the comparatively cheap elements of price such as magnesium, nickel as starting material, therefore cost is quite low, and Magnuminium has very high initial electrochemical discharge capacity and good activation performance, but the corrosion of this alloy in alkaline electrolyte is quite serious, caused the rapid decline of capacity, also can't practicability within the short-term.Vanadium radical sosoloid alloy is the same with Magnuminium, also has higher initial electrochemical discharge capacity, but because the precipitation of vanadium in alkaline electrolyte is very serious, also can cause the rapid decline of capacity, and not possess practical value because the price comparison of vanadium is expensive.
Summary of the invention
The purpose of this invention is to provide a kind of new rare-earth based hydrogen storage electrode alloy used for Nickel-Metal Hydride rechargeable batteries.
Its composition is: AB
x, A=La wherein
1-yM
y, B=(NiCoN), 0.01≤y≤0.8; 2.0≤x≤4.0; Among M=Ce, Pr, Nd, Mg, Ca, Be, Sr, the Ba one or both or two or more composition, one or both among N=Mn, Fe, Mo, Co, Al, Si, Ga, S, Sc, Ti, V, Cr, Cu, Zn, Zr, Nb, Ru, Rh, Cd, W, Hf, Ta, B, P, Ge, As, Se, In, the Sn or two or more composition.
Nickel-metal hydrides (Ni-MH) secondary battery negative pole that adopts the present invention the to propose comprehensive electrochemical of novel rare-earth series hydrogen storage alloy electrode comprises that loading capacity, cyclical stability and high magnification characteristic have all obtained tangible improvement.Charge and discharge under the condition at little electric current, its performance has surpassed business-like traditional AB
5Hydrogen-storing alloy as electrode.Its cost is cheaper in addition, therefore in the near future, will replace existing traditional AB
5Hydrogen-storing alloy as electrode and become a new generation nickel-metal hydrides (Ni-MH) secondary battery negative pole hydrogen-storing alloy as electrode, its cost performance will substantially exceed lithium-ion secondary cell, thereby improve the market competitiveness of nickel-metal hydrides (Ni-MH) secondary cell greatly.
Description of drawings
Fig. 1 is according to New-type hydrogen-storing RE electrode alloy La described in the embodiment 1
0.7Mg
0.3(NiCoAl)
xLoading capacity of (x=2,3,3.5,4) electrode and the relation curve between the cycle index;
Fig. 2 is according to hydrogen-bearing rare-earth alloy as electrode La described in the embodiment 2
0.7Mg
0.3(NiCoAl)
xThe high-multiplying power discharge rational curve of (x=2,3,3.5,4) electrode;
Fig. 3 is according to the tradition of commercialization described in comparative example AB
5The New-type hydrogen-storing RE electrode alloy La that method obtains described in hydrogen-occlussion alloy electrode and the embodiment 1
0.7Mg
0.3(NiCoAl)
3.5The loading capacity of electrode and the relation curve between the cycle index.
Embodiment
Nickel-metal hydrides (Ni-MH) secondary battery negative pole is 2,3,3.5,4 with New-type hydrogen-storing RE electrode alloy B side stoichiometric ratio x.Vacuum magnetic suspension stove or electric arc furnace preparation are adopted in the melting of New-type hydrogen-storing RE electrode alloy.
Embodiment 1
According to New-type hydrogen-storing RE electrode alloy AB
xThe design mix of (x=2,2.5,3,3.5) adopts vacuum magnetic suspension stove melting preparation.The alloy of institute's melting comprises: La
0.7Mg
0.3(NiCo)
x, La
0.7Mg
0.3(NiCoMn)
x, La
0.7Mg
0.3(NiCoAl)
x, La
0.7Mg
0.3(NiCoFe)
x, La
0.7Mg
0.3(NiCoMnAl)
x, La
0.7Mg
0.3(NiCoMo)
x, La
0.7Mg
0.3(NiCoS)
x, La
0.7Mg
0.3(NiCoSi)
x, La
0.7Mg
0.3(NiCoGa)
xWherein, x=2,2.5,3,3.5, the purity of alloy constituent element La, Mg, Mn, Ni, Fe, Mo, Co, Al, Si, Ga, S is all more than 90%.Respectively get alloy part then and carry out the test of electrochemistry cycle life.This test is to carry out in an open type three-electrode system, and it comprises a working electrode (being hydrogen-occlussion alloy electrode), a sintering Ni (OH)
2/ NiOOH supporting electrode and a Hg/HgO reference electrode.Electrolytic solution adopts the 6N KOH aqueous solution, and probe temperature remains on 303K.All test electrodes all are to form by uniform mixing 100mg hydrogen-storing alloy as electrode powder (300 order) and 400mg carbonyl nickel powder and the electrode slice that is pressed into diameter 10mm, thickness 1mm under the pressure of 20Mpa.Electrode adopts the current charges of 100mA/g, the current discharge of 60mA/g, and wherein the duration of charging is 5 hours, the discharge stopping potential is-0.6V (with respect to the Hg/HgO reference electrode).
Embodiment 2
Alloy is still selected the New-type hydrogen-storing RE electrode alloy AB of institute's melting among the embodiment 1 for use
x(x=2,3,3.5,4,5), and respectively get alloy part and carry out the high rate capability test.The making method of test macro and electrode slice is identical with embodiment 1.Probe temperature remains on 303K.Electrode adopts the current charges of 100mA/g, and the current discharge of 60mA/g charged 5 hours, then discharge (I under different discharge current densities
d=60mA/g, 250mA/g, 500mA/g, 750mA/g, 1000mA/g, 1250mA/g, 1500mA/g), the discharge stopping potential is-0.6V (with respect to the Hg/HgO reference electrode).
Comparative example
The business-like rare earth based AB that selected part three general companies produce
5Hydrogen-storing alloy as electrode carries out the test of electrochemistry cycle life to it.The system and the condition of test are all identical with embodiment 1.
As can be seen from Figure 1, along with New-type hydrogen-storing RE electrode alloy AB
xThe lifting of stoichiometric ratio x of B side constituent element, the loading capacity of alloy electrode and cyclical stability have all obtained tangible improvement, especially stoichiometry alloy A B
3.5, its high discharge capacity reaches 396mAh/g, and capability retention still reaches 77.5% after 250 circulations.
As can be seen from Figure 2, along with New-type hydrogen-storing RE electrode alloy AB
xThe change of stoichiometric ratio x of B side constituent element, the high-rate discharge ability of alloy electrode has also obtained tangible improvement.To stoichiometry alloy A B
3.5, when discharge current density was 250mA/g, its HRD value was up to 96.91%, and when discharge current density was 1500mA/g, its HRD value still can reach 75.61%.
As can be seen from Figure 3, charge and discharge under the condition at the 60mA/g electric current, novel rare-earth is stoichiometry alloy A B
3.5Comprehensive electrochemical obviously be better than business-like rare earth based AB
5Hydrogen-storing alloy as electrode, its peak capacity is than business-like rare earth based AB
5The peak capacity of hydrogen-storing alloy as electrode exceeds nearly 80mAh/g, and cyclical stability is also not second to business-like rare earth based AB
5Hydrogen-storing alloy as electrode.
Claims (3)
1. a new rare-earth based hydrogen storage electrode alloy used for Nickel-Metal Hydride rechargeable batteries is characterized in that, its composition is: AB
x, A=La wherein
1-yM
y, B=(NiCoN), 0.01≤y≤0.8; 2.0≤x≤4.0; Among M=Ce, Pr, Nd, Mg, Ca, Be, Sr, the Ba one or both or two or more composition, one or both among N=Mn, Fe, Mo, Co, Al, Si, Ga, S, Sc, Ti, V, Cr, Cu, Zn, Zr, Nb, Ru, Rh, Cd, W, Hf, Ta, B, P, Ge, As, Se, In, the Sn or two or more composition.
2. the novel hydrogen-storing alloy as electrode of a kind of nickel-metal hydrides according to claim 1 (Ni-MH) secondary cell is characterized in that, New-type hydrogen-storing RE electrode alloy B side stoichiometric ratio x is 2,2.5,3,3.5,4.0.
3. a kind of nickle-metal hydride secondary battery hydrogen-storing alloy as electrode according to claim 1 and 2 is characterized in that, vacuum magnetic suspension stove or electric arc furnace preparation are adopted in the melting of said New-type hydrogen-storing RE electrode alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011318996A CN1173055C (en) | 2001-12-26 | 2001-12-26 | New-type hydrogen-storing RE electrode alloy for secondary Ni-metal oxide battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011318996A CN1173055C (en) | 2001-12-26 | 2001-12-26 | New-type hydrogen-storing RE electrode alloy for secondary Ni-metal oxide battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1375570A true CN1375570A (en) | 2002-10-23 |
| CN1173055C CN1173055C (en) | 2004-10-27 |
Family
ID=4670955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011318996A Expired - Fee Related CN1173055C (en) | 2001-12-26 | 2001-12-26 | New-type hydrogen-storing RE electrode alloy for secondary Ni-metal oxide battery |
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| Country | Link |
|---|---|
| CN (1) | CN1173055C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297021C (en) * | 2005-05-31 | 2007-01-24 | 钢铁研究总院 | Cathode material in use for nickel-hydrogen battery in high capacity |
| FR2918389A1 (en) * | 2007-07-06 | 2009-01-09 | Saft Groupe Sa | NEGATIVE ACTIVE MATERIAL FOR ACCUMULATOR NICKEL METAL HUDRURE |
| CN100452492C (en) * | 2003-02-28 | 2009-01-14 | 三洋电机株式会社 | Hydrogen absorbing alloy, electrode thereof and nickel-metal hydride battery |
| CN101831619A (en) * | 2010-05-28 | 2010-09-15 | 浙江大学 | Nano-crystalline Mg-Ni multilayer composite film and preparation method thereof |
| CN1953249B (en) * | 2005-09-21 | 2010-11-24 | 三洋电机株式会社 | Alkaline storage cell |
| CN101638740B (en) * | 2009-08-17 | 2011-05-18 | 济南大学 | Copper-bearing hydrogen storage alloy and preparation method thereof |
| CN109868390A (en) * | 2017-12-04 | 2019-06-11 | 北京有色金属研究总院 | A kind of rare-earth-nickel-base AB2Type hydrogen storage alloy material and preparation method |
-
2001
- 2001-12-26 CN CNB011318996A patent/CN1173055C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100452492C (en) * | 2003-02-28 | 2009-01-14 | 三洋电机株式会社 | Hydrogen absorbing alloy, electrode thereof and nickel-metal hydride battery |
| CN1297021C (en) * | 2005-05-31 | 2007-01-24 | 钢铁研究总院 | Cathode material in use for nickel-hydrogen battery in high capacity |
| CN1953249B (en) * | 2005-09-21 | 2010-11-24 | 三洋电机株式会社 | Alkaline storage cell |
| FR2918389A1 (en) * | 2007-07-06 | 2009-01-09 | Saft Groupe Sa | NEGATIVE ACTIVE MATERIAL FOR ACCUMULATOR NICKEL METAL HUDRURE |
| EP2014779A1 (en) * | 2007-07-06 | 2009-01-14 | Saft Groupe S.A. | Negative active material for hydride metal nickel accumulator |
| CN101638740B (en) * | 2009-08-17 | 2011-05-18 | 济南大学 | Copper-bearing hydrogen storage alloy and preparation method thereof |
| CN101831619A (en) * | 2010-05-28 | 2010-09-15 | 浙江大学 | Nano-crystalline Mg-Ni multilayer composite film and preparation method thereof |
| CN109868390A (en) * | 2017-12-04 | 2019-06-11 | 北京有色金属研究总院 | A kind of rare-earth-nickel-base AB2Type hydrogen storage alloy material and preparation method |
| CN109868390B (en) * | 2017-12-04 | 2020-12-18 | 有研工程技术研究院有限公司 | Rare earth-nickel base AB2Hydrogen storage alloy material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1173055C (en) | 2004-10-27 |
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Assignee: Zhejiang Kan Battery Co., Ltd. Assignor: Zhejiang University Contract fulfillment period: 2009.1.1 to 2015.12.30 contract change Contract record no.: 2009330001012 Denomination of invention: New-type hydrogen-storing RE electrode alloy for secondary Ni-metal oxide battery Granted publication date: 20041027 License type: Exclusive license Record date: 2009.5.15 |
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