JPS6036462B2 - Manufacturing method for hydrogen storage alloy - Google Patents
Manufacturing method for hydrogen storage alloyInfo
- Publication number
- JPS6036462B2 JPS6036462B2 JP56129887A JP12988781A JPS6036462B2 JP S6036462 B2 JPS6036462 B2 JP S6036462B2 JP 56129887 A JP56129887 A JP 56129887A JP 12988781 A JP12988781 A JP 12988781A JP S6036462 B2 JPS6036462 B2 JP S6036462B2
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen storage
- alloy
- alloys
- storage alloy
- titanium
- 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.)
- Expired
Links
- 229910045601 alloy Inorganic materials 0.000 title claims description 38
- 239000000956 alloy Substances 0.000 title claims description 38
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 24
- 239000001257 hydrogen Substances 0.000 title claims description 20
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052758 niobium Inorganic materials 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 229910052726 zirconium Inorganic materials 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 5
- 229910001309 Ferromolybdenum Inorganic materials 0.000 claims description 3
- 229910000592 Ferroniobium Inorganic materials 0.000 claims description 3
- ZFGFKQDDQUAJQP-UHFFFAOYSA-N iron niobium Chemical compound [Fe].[Fe].[Nb] ZFGFKQDDQUAJQP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- 239000010955 niobium Substances 0.000 description 13
- 150000002739 metals Chemical class 0.000 description 12
- 229910052750 molybdenum Inorganic materials 0.000 description 10
- 229910001021 Ferroalloy Inorganic materials 0.000 description 9
- 229910002593 Fe-Ti Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 3
- 238000001994 activation Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003832 thermite Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Hydrogen, Water And Hydrids (AREA)
Description
【発明の詳細な説明】
本発明は水素の貯蔵用に使用されるＦｅ−Ｔｉ−Ｚｒ−
Ｍ（但しＭはＮｂ，Ｍｏの１種または２種）系合金の製
造法に関するものであって、Ｚｒ，ＮｂまたはＭｏ等の
金属成分のバラッキの少ない均一な組成を有する水素貯
蔵用合金を得ることを目的とするものである。DETAILED DESCRIPTION OF THE INVENTION The present invention provides Fe-Ti-Zr-
This relates to a method for producing an M (where M is one or two of Nb and Mo) type alloy, and obtains a hydrogen storage alloy having a uniform composition with little variation in metal components such as Zr, Nb or Mo. The purpose is to
従来水素貯蔵用合金としては、Ｆｅ−Ｔｉ系合金、ＭＭ
−Ｎｉ系合金（但しＭＭは希土類金属）およびＭｇ−Ｎ
ｉ系合金が提案されている。Conventional hydrogen storage alloys include Fe-Ti alloys, MM
-Ni alloy (where MM is a rare earth metal) and Mg-N
i-based alloys have been proposed.
このうちＦｅ−Ｔｉ系合金は他の合金に比較して原料価
格が低廉であり、また資源の豊富なこと等から、もっと
も実用化の早い合金として期待されている。本出願人は
さきにＦｅ−Ｔｊ−Ｚｒ−Ｍ系合金からなる水素貯蔵用
合金を提案した（特豚昭５５−１４９１７２号参照）。
前記Ｆｅ−Ｔｉ−Ｚｒ−Ｍ系合金（ＭはＮｂ，Ｍｏの１
種または２種。Among these, Fe--Ti alloys are expected to be the alloys that will be put into practical use the quickest because their raw material costs are lower than other alloys and there are abundant resources. The present applicant previously proposed a hydrogen storage alloy consisting of a Fe-Tj-Zr-M alloy (see Tokubuta No. 55-149172).
The Fe-Ti-Zr-M alloy (M is 1 of Nb, Mo)
A species or two.
以下同じ）は、Ｆｅ−Ｔｉ系合金の活性化を容易にする
ために提案されたものであって、Ｆｅ−Ｔｉ系合金のマ
トリックスに、少量のＺｒ，Ｎｂ，Ｍｏ等の金属を配合
し、真空中または不活性ガス雰囲気中でァーク溶解また
は誘導加熱溶解により製造するものである。通常のＦｅ
−Ｔｊ系合金は、これを１５０ム以下に粉砕し、約１０
‐２Ｔｏｎの真空で保持した後３０〜５０気圧の水素ガ
ス雰囲気中で２５０〜４００ｑｏで加熱し、常温に冷却
する活性化処理をｌｑ司以上繰返す必要があるが、上述
のＦｅ−Ｔ；−Ｚｒ−Ｍ系合金は１０‐かｏｒｒの真空
中、常温で保持した後、常温で３０〜５戊気圧の水素ガ
ス雰囲気中に保持することにより簡単に活性化され、水
素の貯蔵、放出特性の安定した合金たらしめることがで
きる。(the same applies hereafter) was proposed to facilitate the activation of Fe-Ti alloys, and involves blending small amounts of metals such as Zr, Nb, Mo, etc. into the matrix of Fe-Ti alloys, and It is manufactured by arc melting or induction heating melting in vacuum or in an inert gas atmosphere. Normal Fe
-Tj alloy is ground to 150 μm or less, and approximately 10 μm
- It is necessary to repeat the activation process of holding in a vacuum of 2 tons, heating at 250 to 400 qo in a hydrogen gas atmosphere of 30 to 50 atm, and cooling to room temperature for more than 1 q. -M alloys are easily activated by holding them in a vacuum of 10 orr at room temperature and then in a hydrogen gas atmosphere of 30 to 5 atm at room temperature, resulting in stable hydrogen storage and release characteristics. It can be made into an alloy.
しかし、Ｚｒ，Ｎｂ，Ｍｏ等の融点がそれぞれ１９００
℃，２４１５ｑＣおよび２６２０ｑｏと高いため、これ
らの金属をＦｅ−Ｔｉ系合金マトリックスに添加した場
合に溶解が不充分となりやすく、従って得られる合金の
成分バラッキが大きく、しかもこのバラッキが水素の吸
蔵、放出特性のバラッキとなり、品質の安定したＦｅ−
Ｔｉ−Ｚｒ−Ｍ系合金を得ることが困難である。However, the melting points of Zr, Nb, Mo, etc. are 1900
℃, 2415qC, and 2620qo, so when these metals are added to the Fe-Ti alloy matrix, they tend to be insufficiently dissolved, and the resulting alloy has a large compositional variation.Moreover, this variation has a large effect on hydrogen absorption and release. Fe-
It is difficult to obtain a Ti-Zr-M alloy.
また、前述の各種金属はいずれも高価なため、製造コス
トの高騰をもたらす等の欠点がある。他方、Ｆｅ−Ｔｉ
系合金の製造に当り、チタンの原料としてフェロチタン
を使用するものもあるが、フヱロチタンは工業規模で四
塩化チタンをマ＊グネシウムで還元して得られたスポン
ジチタンのうち、酸素含有量の高いもの、すなわちスポ
ンジチタンの格外品に相当するものに、鉄源を加えて再
溶解するか、またはチタン鉱石をテルミット法で製造す
るものである。Further, since the various metals mentioned above are all expensive, they have drawbacks such as a rise in manufacturing costs. On the other hand, Fe-Ti
Ferrotitanium is used as a raw material for titanium in the production of titanium alloys, but ferrotitanium is a titanium sponge with a high oxygen content obtained by reducing titanium tetrachloride with magnesium on an industrial scale. In other words, titanium sponge is produced by adding an iron source and remelting it, or by using the thermite method to produce titanium ore.
しかし、上述のフェロチタンはいずれも酸素含有量が高
く、またテルミット法ではフェロチタンにＡＩ等が介在
しており、水素貯蔵用合金としては不適当である。However, all of the above-mentioned ferrotitaniums have a high oxygen content, and in the thermite method, ferrotitanium contains AI, etc., making them unsuitable as hydrogen storage alloys.
本発明は特許請求の範囲に記載した構成とすることによ
り、Ｚｒ，Ｎｂ，Ｍｏ等の少量添加金属のバラッキの少
なく、かつ水素貯蔵、放出特性の安定した合金を得るこ
とができた。By adopting the structure described in the claims of the present invention, it was possible to obtain an alloy with less variation in small amounts of added metals such as Zr, Nb, Mo, etc., and stable hydrogen storage and release characteristics.
第１表は本発明で使用するフェ。Table 1 shows the Fe used in the present invention.
アロィの一例示と、Ｚｒ，Ｎｂ，Ｍｏの金属との物性値
とを比較したものである。第１表
第１表から明らかなごとく、フェロジルコニウム、フェ
ロニオブ、フェロモリブデンはいずれも純金属より融点
が低く、また比重も純金属より僅かに少なく、さらにフ
ェロアロィのために、各元素の蒸発損失が減少する。The physical property values of an example alloy and metals Zr, Nb, and Mo are compared. Table 1 As is clear from Table 1, ferrozirconium, ferroniobium, and ferromolybdenum all have lower melting points than pure metals, their specific gravity is slightly lower than pure metals, and because they are ferroalloys, the evaporation loss of each element is Decrease.
本発明は、チタン源としてＴｉ９９．７％のスポンジチ
タン、鉄源としてＦｅ９９．８％の電解鉄を使用し、こ
れに添加する金属の前記各種フェロアロィの所望量を添
加し、真空中またはアルゴン等の不活性雰囲気中でアー
ク溶解または誘導加熱溶解によって製造する。The present invention uses sponge titanium containing 99.7% Ti as a titanium source and electrolytic iron containing 99.8% Fe as an iron source, and adds a desired amount of the above-mentioned various ferroalloys as the metals to be added to the titanium sponge, and Manufactured by arc melting or induction heating melting in an inert atmosphere.
かくして得られた合金は、常温下で１５０山以下に粉砕
し、真空容器中で常温、１０‐２Ｔｏｎの真空中に１０
〜３０分間保持したのち、高純度（９９．９９９９９％
）の水素ガスを導入し、３０〜４疎気圧に保持すること
により簡単に活性化される。The alloy thus obtained was ground at room temperature to 150 particles or less, and then pulverized in a vacuum container at room temperature and under a vacuum of 10-2 tons for 10
After holding for ~30 minutes, high purity (99.99999%
) is easily activated by introducing hydrogen gas and maintaining it at 30 to 4 hydrophobic pressure.
本発明において使用するフェロジルコニウム、フェロニ
オブまたはフェロモリプデンは、いずれも鉄鋼中へのＺ
ｒ，ＮｂまたはＭｏの添加剤として用いられるのであっ
て、いずれも純金属より価格が低廉であり入手も容易で
あるほか、これら金属がフェロアロィとして稀釈されて
いるため、溶解の容易さに加えＦｅ−Ｔｉ系合金マトリ
ックス中への分散が容易であるためバラッキの少ない均
一なＦｅ−Ｔｉ−Ｚｒ一Ｍ系合金を得ることができ、従
って水素の貯蔵、放出特性の安定した合金たらしめるこ
とができる。Ferrozirconium, ferroniobium, or ferromolybdenum used in the present invention all contain Z in steel.
It is used as an additive for Fe, Nb, or Mo, and all of them are cheaper and easier to obtain than pure metals, and since these metals are diluted as ferroalloys, they are easy to dissolve and - Since it is easy to disperse into the Ti-based alloy matrix, it is possible to obtain a uniform Fe-Ti-Zr-M alloy with little variation, and therefore it can be made into an alloy with stable hydrogen storage and release characteristics. .
以上のごとく本発明はＦｅ−Ｔｉ−Ｚｒ−Ｍ系の水素貯
蔵用合金を製造するに当り、Ｆｅ−Ｔｉ系合金マトリッ
クスにＺｒ，ＮｂまたはＭｏ等の少量添加金属をフェロ
アロィとして添加することによって、これら少量添加金
属のバラツキの少ない均一な合金を簡単に製造すること
ができ、従って水素の貯蔵、放出特性の安定したＦｅ−
Ｔｉ−Ｚｒ一Ｍ系水素貯蔵用合金を得ることができる。As described above, in producing a Fe-Ti-Zr-M hydrogen storage alloy, the present invention adds a small amount of added metal such as Zr, Nb or Mo to the Fe-Ti alloy matrix as a ferroalloy. It is possible to easily produce a uniform alloy with little variation in these small amounts of added metals, and therefore Fe-
A Ti-Zr-M hydrogen storage alloy can be obtained.
また、少量添加金属をそれらのフェロアロィとして使用
するため、製造コストを低減ならしめるという利点もあ
る。〔実施例 １〕
チタン源および鉄源としてＴｉ９９．７％のスポンジチ
タンおよびＦｅ９９．９％の電解鉄を使用し、Ｚｒ，Ｎ
ｂおよびＭｏ源としては本発明の方法では第１表のフェ
ロアロィを使用し、従来方法ではＺｒ９９．５％の金属
ジルコニウム、Ｎｂ９９．５％の金属ニオブおよびＭｏ
９９．９％の金属モリブデンを使用して水素吸蔵合金を
製造した。Furthermore, since a small amount of added metal is used as the ferroalloy, there is also the advantage of reducing manufacturing costs. [Example 1] Sponge titanium containing 99.7% Ti and electrolytic iron containing 99.9% Fe were used as the titanium source and iron source, and Zr, N
In the method of the present invention, the ferroalloys shown in Table 1 are used as b and Mo sources, whereas in the conventional method, metallic zirconium containing 99.5% Zr, metallic niobium containing 99.5% Nb, and Mo
A hydrogen storage alloy was produced using 99.9% molybdenum metal.
第２表
第２表は人造黒鉛ルッボ使用、アルゴンガス雰囲気中、
高周波誘導加熱により溶湯規模３．０ｋ９、恥．１〜３
は溶解温度１３５０土１０ｑｏ、Ｎｏ．４〜５は１斑０
±１０００、溶解後の保持時間１筋ごとして水素吸蔵合
金の溶製を行ない、金型に厚さ約２弧に鋳込み、冷却後
２５０〃以下に粉砕し、約１０‐２Ｔｏｎの真空に３０
分間保持した後３＆肌の高純度水素ガス（純度９９．９
９９９９％）雰囲気下に保持して活性化処理を行ない水
素吸蔵量を測定した結果である。Table 2 Table 2 uses artificial graphite Rubbo in an argon gas atmosphere.
The molten metal scale is 3.0k9 due to high frequency induction heating. 1-3
is a melting temperature of 1350 soil 10qo, No. 4-5 is 1 spot 0
±1000, holding time after melting.The hydrogen storage alloy is melted for each line, cast into a mold to a thickness of about 2 arcs, and after cooling, crushed to less than 250 mm, and placed in a vacuum of about 10-2 tons for 30 mm.
After holding for 3 minutes & skin high purity hydrogen gas (purity 99.9
This is the result of measuring the amount of hydrogen absorbed by holding in an atmosphere (9999%) and performing an activation treatment.
ＺｒとＮｂをフェロアロィで添加したＭ．１、Ｎｂのみ
をフェロアロイで添加した船．３およびＺｒとＭｏをフ
ェロアロィで添加したＭ．４のいずれも純金属を使用し
た従来法による合金よりも水素吸蔵量が大きく、優れて
いた。M. to which Zr and Nb are added as a ferroalloy. 1. A ship with only Nb added as a ferroalloy. 3 and M.3 containing Zr and Mo as a ferroalloy. All of No. 4 had a larger hydrogen storage capacity and were superior to the conventional alloys using pure metals.
Ｎｏ．１およびＭ．２についてインゴットの上、中、下
よりサンプルをとり分析および水素吸蔵量の測定を行な
った結果は第３表の通りであり、Ｍ．２の従来法による
ものよりＮｏ．１の本発明の方法によるものの方が成分
および水素吸蔵量のバラッキが少なかつた。No. 1 and M. Regarding M.2, samples were taken from the top, middle, and bottom of the ingot and analyzed and the hydrogen storage amount was measured.The results are shown in Table 3. No. 2 compared to the conventional method. The method according to the present invention in No. 1 had less variation in components and hydrogen storage amount.
第３表
〔実施例 ２〕
実施例１と同じ原料を用い、水冷鋼ルッボ使用、アルゴ
ンガス雰囲気中でタングステン電極使用、アーク溶解に
より溶解規模０．５ｋ９電流６００Ａで水素吸蔵合金の
溶製を行なった。Table 3 [Example 2] Using the same raw materials as in Example 1, a hydrogen storage alloy was melted using water-cooled steel Rubbo, a tungsten electrode in an argon gas atmosphere, and arc melting at a melting scale of 0.5k9 and a current of 600A. Ta.
結果は第４表の通りである。この場合均一なィンゴット
を得るためには上面を溶解後ィンゴットを裏返して再度
溶解することが必要であるが、本発明の方法による場合
溶解が早く、均一なインゴットを得るまでの時間が大中
に短縮され、しかも得られた合金の特性は従来品以上で
あった。第４表The results are shown in Table 4. In this case, in order to obtain a uniform ingot, it is necessary to melt the top surface and then turn the ingot over and melt it again. However, with the method of the present invention, melting is quick and the time required to obtain a uniform ingot is significantly reduced. The length of the alloy was shortened, and the properties of the resulting alloy were better than those of conventional products. Table 4
Claims (1)
たはチタンスクラツプおよび電解鉄原料に、Ｚｒ，Ｎｂ
またはＭｏをそれぞれフエロジルコニウム、フエロニオ
ブまたはフエロモリブデンの１種または２種以上を原料
として添加した後、真空中または不活性雰囲気中で溶解
することを特徴とする水素貯蔵用合金の製造法。1. In the production of hydrogen storage alloys, Zr, Nb is added to sponge titanium or titanium scrap and electrolytic iron raw materials.
A method for producing a hydrogen storage alloy, which comprises adding one or more of ferrozirconium, ferroniobium, or ferromolybdenum as raw materials, and then melting the mixture in a vacuum or an inert atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56129887A JPS6036462B2 (en) | 1981-08-18 | 1981-08-18 | Manufacturing method for hydrogen storage alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56129887A JPS6036462B2 (en) | 1981-08-18 | 1981-08-18 | Manufacturing method for hydrogen storage alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5831050A JPS5831050A (en) | 1983-02-23 |
| JPS6036462B2 true JPS6036462B2 (en) | 1985-08-20 |
Family
ID=15020792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56129887A Expired JPS6036462B2 (en) | 1981-08-18 | 1981-08-18 | Manufacturing method for hydrogen storage alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6036462B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61288132A (en) * | 1985-06-17 | 1986-12-18 | Yokogawa Electric Corp | Crystal thermometer |
| JPS62294143A (en) * | 1986-06-13 | 1987-12-21 | Mazda Motor Corp | Manufacture of metallic alloy for hydrogen storage |
-
1981
- 1981-08-18 JP JP56129887A patent/JPS6036462B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5831050A (en) | 1983-02-23 |
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