JP2002505714A - 粉末組成物及びその製法 - Google Patents
粉末組成物及びその製法Info
- Publication number
- JP2002505714A JP2002505714A JP50227899A JP50227899A JP2002505714A JP 2002505714 A JP2002505714 A JP 2002505714A JP 50227899 A JP50227899 A JP 50227899A JP 50227899 A JP50227899 A JP 50227899A JP 2002505714 A JP2002505714 A JP 2002505714A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- gas
- melt
- hydrogen storage
- storage alloy
- 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.)
- Ceased
Links
- 239000000843 powder Substances 0.000 title claims abstract description 60
- 239000000203 mixture Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 33
- 239000000956 alloy Substances 0.000 claims abstract description 33
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000001257 hydrogen Substances 0.000 claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 15
- 238000009689 gas atomisation Methods 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 33
- 238000000227 grinding Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 229910000652 nickel hydride Inorganic materials 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 238000010791 quenching Methods 0.000 abstract description 6
- 230000000171 quenching effect Effects 0.000 abstract description 4
- 229910052987 metal hydride Inorganic materials 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- -1 nickel metal hydride Chemical class 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910003307 Ni-Cd Inorganic materials 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007712 rapid solidification Methods 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/383—Hydrogen absorbing alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 再充電可能な水素化ニッケルバッテリーのための水素吸蔵合金粉末の製造 方法において、 (a) 水素吸蔵合金の金属溶融物を与え、 (b) 前記溶融物を急速な冷却を含むガス噴霧工程にかけて、微細な樹枝状構造 を有する金属粉末を形成し、 (c) 前記金属粉末を熱処理し、そして (d) 熱処理した粉末を粉砕する、 諸工程を含む、上記製造方法。 2. ガス噴霧を、溶融物と噴霧用ガスとの間の増大した接触領域を用いて行う 、請求項1記載の方法。 3. 接触領域が、流れ出る溶融物の流れの直径よりも約5〜50倍大きい長さ を有する、請求項2記載の方法。 4. 工程(b)中に含まれる粒子が500μmよりも小さな粒径を有する、請求 項1〜3のいずれか1項に記載の方法。 5. 工程(c)による熱処理を、800〜1100℃、好ましくは900〜10 50℃の温度で行う、請求項1〜4のいずれか1項に記載の方法。 6. 工程(c)による熱処理を、0.5〜4時間行う、請求項1〜5のいずれか 1項に記載の方法。 7. 組成物の80重量%より多く、好ましくは85重量%より多く、最も好ま しくは90重量%より多くのものが、不規則な形及び(又は)粒子表面に生じた 微細亀裂を有する粒子からなる程度までガス噴霧粉末を粉砕する、請求項1〜6 のいずれか1項に記載の方法。 8. 工程(d)による粉砕を、すり潰し又は破砕により行う、請求項1〜7のい ずれか1項に記載の方法。 9. すり潰しを不活性雰囲気中で行う、請求項1〜8のいずれか1項に記載の 方法。 10.微細樹枝状構造を特徴とする再充電可能な水素化ニッケルバッテリーのた めの水素吸蔵合金粉末。 11.急冷したガス噴霧金属溶融物から製造した、請求項10記載の水素吸蔵合 金粉末。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9702189-3 | 1997-06-06 | ||
SE9702189A SE9702189D0 (sv) | 1997-06-06 | 1997-06-06 | Powder composition and process for the preparation thereof |
PCT/SE1998/001083 WO1998056056A1 (en) | 1997-06-06 | 1998-06-05 | Powder composition and process for the preparation thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002505714A true JP2002505714A (ja) | 2002-02-19 |
Family
ID=20407300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50227899A Ceased JP2002505714A (ja) | 1997-06-06 | 1998-06-05 | 粉末組成物及びその製法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6245165B1 (ja) |
EP (1) | EP0992073A1 (ja) |
JP (1) | JP2002505714A (ja) |
AU (1) | AU8048598A (ja) |
SE (1) | SE9702189D0 (ja) |
WO (1) | WO1998056056A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10163713A1 (de) * | 2001-12-21 | 2003-07-10 | Geesthacht Gkss Forschung | Verfahren zur Herstellung von Metallpulvern |
CA2389939A1 (en) * | 2002-06-25 | 2003-12-25 | Alicja Zaluska | New type of catalytic materials based on active metal-hydrogen-electronegative element complexes for reactions involving hydrogen transfer |
ATE496865T1 (de) * | 2002-11-01 | 2011-02-15 | Savannah River Nuclear Solutions Llc | Komplexe hydride für die wasserstoffspeicherung |
JP4689420B2 (ja) * | 2005-09-22 | 2011-05-25 | 株式会社日本製鋼所 | 水素吸蔵合金の製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4623597A (en) * | 1982-04-28 | 1986-11-18 | Energy Conversion Devices, Inc. | Rechargeable battery and electrode used therein |
KR920010422B1 (ko) * | 1987-05-15 | 1992-11-27 | 마쯔시다덴기산교 가부시기가이샤 | 수소흡수저장전극 및 그 제조법 |
SE461848B (sv) * | 1987-12-09 | 1990-04-02 | Hg Tech Ab | Foerfarande foer atomisering av vaetskor och anordning foer genomfoerande av foerfarandet |
US5277999A (en) * | 1991-08-14 | 1994-01-11 | Ovonic Battery Company, Inc. | Electrochemical hydrogen storage alloys and batteries fabricated these alloys having significantly improved performance characteristics |
KR960014512B1 (ko) * | 1992-09-14 | 1996-10-16 | 가부시키가이샤 도시바 | 전지용 수소흡장합금 및 그 제조방법 및 그 합금을 이용한 니켈수소이차전지 |
JPH06223827A (ja) * | 1992-10-26 | 1994-08-12 | Sumitomo Metal Ind Ltd | 電池用水素吸蔵合金粉末の製造方法 |
US5529857A (en) * | 1993-10-06 | 1996-06-25 | Sanyo Electric Co., Ltd. | Hydrogen-absorbing alloy electrode and process for producing the same |
EP0750050A4 (en) * | 1993-12-22 | 1997-09-24 | Toshiba Kk | HYDROGEN ABSORBENT ALLOY AND ALKALINE SECONDARY CELL USING THIS |
US5616432A (en) * | 1994-06-14 | 1997-04-01 | Ovonic Battery Company, Inc. | Electrochemical hydrogen storage alloys and batteries fabricated from Mg containing base alloys |
US5554456A (en) * | 1994-06-14 | 1996-09-10 | Ovonic Battery Company, Inc. | Electrochemical hydrogen storage alloys and batteries containing heterogeneous powder particles |
EP0755898B1 (en) * | 1995-07-18 | 2000-05-10 | Matsushita Electric Industrial Co., Ltd. | Hydrogen storage alloy and electrode therefrom |
US6048644A (en) * | 1997-03-24 | 2000-04-11 | Matsushita Electric Industrial Co., Ltd. | Hydrogen storage alloy electrode |
-
1997
- 1997-06-06 SE SE9702189A patent/SE9702189D0/xx unknown
-
1998
- 1998-06-05 EP EP98928768A patent/EP0992073A1/en not_active Withdrawn
- 1998-06-05 WO PCT/SE1998/001083 patent/WO1998056056A1/en not_active Application Discontinuation
- 1998-06-05 JP JP50227899A patent/JP2002505714A/ja not_active Ceased
- 1998-06-05 AU AU80485/98A patent/AU8048598A/en not_active Abandoned
-
1999
- 1999-12-02 US US09/452,096 patent/US6245165B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0992073A1 (en) | 2000-04-12 |
US6245165B1 (en) | 2001-06-12 |
WO1998056056A1 (en) | 1998-12-10 |
AU8048598A (en) | 1998-12-21 |
SE9702189D0 (sv) | 1997-06-06 |
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