JP4115367B2 - アルカリ蓄電池用水素吸蔵合金及びその製造方法並びにアルカリ蓄電池 - Google Patents
アルカリ蓄電池用水素吸蔵合金及びその製造方法並びにアルカリ蓄電池 Download PDFInfo
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- JP4115367B2 JP4115367B2 JP2003324364A JP2003324364A JP4115367B2 JP 4115367 B2 JP4115367 B2 JP 4115367B2 JP 2003324364 A JP2003324364 A JP 2003324364A JP 2003324364 A JP2003324364 A JP 2003324364A JP 4115367 B2 JP4115367 B2 JP 4115367B2
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- hydrogen storage
- storage alloy
- alkaline
- storage battery
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- 238000003860 storage Methods 0.000 title claims description 159
- 239000001257 hydrogen Substances 0.000 title claims description 101
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 101
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 97
- 239000000956 alloy Substances 0.000 title claims description 96
- 229910045601 alloy Inorganic materials 0.000 title claims description 96
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 40
- 239000003792 electrolyte Substances 0.000 claims description 28
- 229910052759 nickel Inorganic materials 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000011777 magnesium Substances 0.000 claims description 11
- 238000002441 X-ray diffraction Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 description 28
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000013078 crystal Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910004247 CaCu Inorganic materials 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 3
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910020191 CeNi Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910000474 mercury oxide Inorganic materials 0.000 description 1
- UKWHYYKOEPRTIC-UHFFFAOYSA-N mercury(ii) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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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- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
実施例1においては、希土類元素のLa,Pr及びNdと、Mgと、Niと、Alとを、合金組成が(La0.2Pr0.4Nd0.4)0.83Mg0.17Ni3.1Al0.2になるように混合した後、アルゴン雰囲気中においてアーク溶解し、これを冷却させて水素吸蔵合金のインゴットを作製した。
実施例2においては、上記の実施例1において、上記の水素吸蔵合金粉末の表面を酸化させるにあたり、上記の水素吸蔵合金粉末を、比重1.30、液温25℃の同重量の水酸化カリウム水溶液に浸漬させて酸化処理する時間を80分間に変更し、それ以外は、上記の実施例1の場合と同様にして、実施例2のアルカリ蓄電池を作製した。
比較例1においては、上記の実施例1において、上記の水素吸蔵合金粉末を水酸化カリウム水溶液に浸漬させて酸化処理する操作をなくし、上記の水素吸蔵合金の表面を酸化させないようにし、それ以外は、上記の実施例1の場合と同様にして、比較例1のアルカリ蓄電池を作製した。
実験例1〜3においても、水素吸蔵合金としては、上記の実施例1,2及び比較例1の場合と同じ、体積平均粒径が65μmになった(La0.2Pr0.4Nd0.4)0.83Mg0.17Ni3.1Al0.2からなる組成の水素吸蔵合金粉末を用いるようにした。
2 負極
3 セパレータ
4 電池缶
5 正極リード
6 正極蓋
7 負極リード
8 絶縁パッキン
9 正極外部端子
10 コイルスプリング
Claims (4)
- アルカリ蓄電池の負極に用いるアルカリ蓄電池用水素吸蔵合金であって、少なくとも希土類元素とマグネシウムとニッケルとアルミニウムとを含み、Cu−Kα線をX線源とするX線回折測定において2θ=31°〜33°の範囲に現れる最強ピーク強度(IA)と、2θ=40°〜44°の範囲に現れる最強ピーク強度(IB)との強度比(IA/IB)が0.1以上である水素吸蔵合金の表面が酸化され、この水素吸蔵合金における酸素濃度が0.23wt%以下であることを特徴とするアルカリ蓄電池用水素吸蔵合金。
- 請求項1に記載したアルカリ蓄電池用水素吸蔵合金を製造するにあたり、希土類元素とマグネシウムとニッケルとアルミニウムとを含み、Cu−Kα線をX線源とするX線回折測定において2θ=31°〜33°の範囲に現れる最強ピーク強度(IA)と、2θ=40°〜44°の範囲に現れる最強ピーク強度(IB)との強度比(IA/IB)が0.1以上である水素吸蔵合金を45℃以下のアルカリ溶液中で浸漬処理して、この水素吸蔵合金の表面を酸化させて、この水素吸蔵合金における酸素濃度を0.23wt%以下にしたことを特徴とするアルカリ蓄電池用水素吸蔵合金の製造方法。
- 正極と、水素吸蔵合金を用いた負極と、アルカリ電解液とを備えたアルカリ蓄電池において、負極の水素吸蔵合金として、請求項1に記載したアルカリ蓄電池用水素吸蔵合金を用いたことを特徴とするアルカリ蓄電池。
- 請求項3に記載したアルカリ蓄電池において、上記のアルカリ電解液に対する上記の水素吸蔵合金の割合が5.2g/cc以上であることを特徴とするアルカリ蓄電池。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003324364A JP4115367B2 (ja) | 2003-09-17 | 2003-09-17 | アルカリ蓄電池用水素吸蔵合金及びその製造方法並びにアルカリ蓄電池 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003324364A JP4115367B2 (ja) | 2003-09-17 | 2003-09-17 | アルカリ蓄電池用水素吸蔵合金及びその製造方法並びにアルカリ蓄電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005093211A JP2005093211A (ja) | 2005-04-07 |
| JP2005093211A5 JP2005093211A5 (ja) | 2008-04-10 |
| JP4115367B2 true JP4115367B2 (ja) | 2008-07-09 |
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| JP2003324364A Expired - Lifetime JP4115367B2 (ja) | 2003-09-17 | 2003-09-17 | アルカリ蓄電池用水素吸蔵合金及びその製造方法並びにアルカリ蓄電池 |
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| Country | Link |
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| JP (1) | JP4115367B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5354970B2 (ja) * | 2008-06-17 | 2013-11-27 | 三洋電機株式会社 | 水素吸蔵合金およびアルカリ蓄電池 |
| JP5436825B2 (ja) * | 2008-09-26 | 2014-03-05 | 三洋電機株式会社 | アルカリ蓄電池用の水素吸蔵合金粉末、その製造方法及びアルカリ蓄電池 |
| JP5465478B2 (ja) * | 2008-09-30 | 2014-04-09 | 三洋電機株式会社 | アルカリ蓄電池用負極、アルカリ蓄電池及びアルカリ蓄電池の製造方法 |
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- 2003-09-17 JP JP2003324364A patent/JP4115367B2/ja not_active Expired - Lifetime
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| Publication number | Publication date |
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| JP2005093211A (ja) | 2005-04-07 |
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