JPS61199045A - Hydrogen occluding alloy - Google Patents

Hydrogen occluding alloy

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Publication number
JPS61199045A
JPS61199045A JP3848585A JP3848585A JPS61199045A JP S61199045 A JPS61199045 A JP S61199045A JP 3848585 A JP3848585 A JP 3848585A JP 3848585 A JP3848585 A JP 3848585A JP S61199045 A JPS61199045 A JP S61199045A
Authority
JP
Japan
Prior art keywords
alloy
hydrogen
hydrogen storage
pressure
weight
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
Application number
JP3848585A
Other languages
Japanese (ja)
Inventor
Kazuaki Yamamura
山村 和昭
Ryohei Ishikawa
石川 遼平
Shinichi Hono
法野 信一
Hajime Kitamura
元 北村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Denko Co Ltd
Original Assignee
Chuo Denki Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chuo Denki Kogyo Co Ltd filed Critical Chuo Denki Kogyo Co Ltd
Priority to JP3848585A priority Critical patent/JPS61199045A/en
Publication of JPS61199045A publication Critical patent/JPS61199045A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To enlarge a temp. range where hydrogen releasing pressure of 1-10atom can be attained by incorporating prescribed percentage of Mg, Ca, Ni and misch metal. CONSTITUTION:This hydrogen occluding alloy contains, by weight, 0.5-40% Mg, 0.5-15% Ca, 30-85% Ni and 1.5-35% misch metal. Further, this alloy has a very wide temp. range of 10-310 deg.C where hydrogen releasing pressure of 1-10atom can be attained, and yet it can be manufactured easily by operating the melting of each component.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、水素吸蔵合金に関し、特に、新規な多元系水
素吸蔵合金に関する。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to hydrogen storage alloys, and more particularly to novel multi-component hydrogen storage alloys.

従来の技術とその問題点 水素吸蔵合金は、水素貯蔵、水素精製、エネルギー交換
などにおける媒体として各種の分野において使用される
ようになっている。この水素吸蔵合金は、それぞれの組
成に応じて適した水素圧と温度との関係において水素を
吸蔵する水素化反応とその逆の分解放出反応とを行う。
Background of the Invention Hydrogen storage alloys are being used in various fields as media for hydrogen storage, hydrogen purification, energy exchange, etc. This hydrogen storage alloy performs a hydrogenation reaction in which hydrogen is stored and a decomposition-release reaction in the opposite direction, under a hydrogen pressure and temperature relationship appropriate for each composition.

例えば、LaNi5 はLaを32.1%、N1を67
.9%含有する合金であるが、25℃において1.9a
tmの水素放出圧を示す。またMg2Ntは、Mgを4
5.3%、N1を54.7%含有する合金であり、29
8℃において3,5atmの水素放出圧を示す。
For example, LaNi5 has 32.1% La and 67% N1.
.. It is an alloy containing 9%, but at 25°C it is 1.9a
tm hydrogen release pressure is shown. Also, Mg2Nt is Mg4
It is an alloy containing 5.3% N1 and 54.7% N1, and 29
It exhibits a hydrogen release pressure of 3.5 atm at 8°C.

このように、水素吸蔵合金は、合金の組成と温度が決ま
ると水素圧力が定まる関係を有している。
In this way, hydrogen storage alloys have a relationship in which the hydrogen pressure is determined when the composition and temperature of the alloy are determined.

他方、水素吸蔵合金を実際に使用する条件(温度、圧力
)は、各用途に応じて制約される。したがって、実用に
供し得る水素吸蔵合金を得るためには、合金を構成する
成分元素を選択し該成分元素から成る合金の種々の組成
につき温度と圧力を変数として多くの水素化反応と水素
放出反応のデータを求めて該合金が使用され得る条件を
確認するとともに、できるだけ広範な使用条件を有する
ような合金成分を選択することが必要である。
On the other hand, the conditions (temperature, pressure) under which the hydrogen storage alloy is actually used are restricted depending on each application. Therefore, in order to obtain a hydrogen storage alloy that can be put to practical use, the constituent elements constituting the alloy are selected, and a number of hydrogenation reactions and hydrogen release reactions are carried out using temperature and pressure as variables for the various compositions of the alloy composed of the constituent elements. It is necessary to obtain data to confirm the conditions under which the alloy can be used, and to select alloy components that can be used under as wide a range of conditions as possible.

しかして、従来より水素吸蔵合金として広く知られるの
はF e−T i、Mg2N 1SLaN i3、Ca
N is 、MmN is などの二元系、すなわち、
2種類の成分元素から成る合金であり、その後、三元系
の水素吸蔵合金も次第に開発されている。
However, conventionally widely known hydrogen storage alloys are Fe-Ti, Mg2N 1SLaN i3, Ca
Binary systems such as N is , MmN is , i.e.
It is an alloy consisting of two types of component elements, and subsequently, ternary hydrogen storage alloys have also been gradually developed.

例えば、特開昭52−7.0916号、特開昭56−3
7201号、および特開昭54−11095号には、そ
れぞれ、Mg−Mm−N1 (Mm:ミュシュメタル)
、Mg−Ca−NiおよびCa−Mg−Niから成る三
元系水素吸蔵合金が記載されている。しかしながら、こ
れらの水素吸蔵合金は、最も一般に使用される1〜10
気圧の水素放出圧力を発揮する温度が、それぞれ、28
0〜390℃、250〜350℃および20〜100℃
と狭いため、水素吸蔵合金としての適用範囲が限定され
ている。
For example, JP-A-52-7.0916, JP-A-56-3
No. 7201 and JP-A-54-11095 each contain Mg-Mm-N1 (Mm: Muchmetal).
, Mg-Ca-Ni and Ca-Mg-Ni are described. However, these hydrogen storage alloys are the most commonly used 1-10
The temperature at which hydrogen release pressure of atmospheric pressure is exerted is 28
0-390℃, 250-350℃ and 20-100℃
Therefore, the scope of application as a hydrogen storage alloy is limited.

そこで、本発明の主目的は、水素吸蔵合金として使用さ
れる適用範囲の広い合金を提供することにある。
Therefore, the main object of the present invention is to provide an alloy that can be used as a hydrogen storage alloy in a wide range of applications.

発明の構成と効果 本発明者らは、従来より研究されていないマグネシウム
ーカルシウムーニッケルーミュシニメタルから成る多元
系合金15よって、上記の目的が達成されることを見出
し、本発明を導くに到った。
Structure and Effects of the Invention The present inventors have discovered that the above object can be achieved by a multi-component alloy 15 consisting of magnesium-calcium-nickel-musinimetal, which has not been studied in the past, and have led to the present invention. It was.

かくして、本発明に従えば、重量パーセントで、0.5
〜40%のマグネシウム(Mg)、0.5〜15%のカ
ルシウム(Ca)、30〜85%のニッケル(N i 
) 、および1.5〜35%のミュシニメタル(Mm)
を含有することを特徴とする水素吸蔵合金が提供される
。
Thus, according to the invention, in weight percent, 0.5
~40% magnesium (Mg), 0.5-15% calcium (Ca), 30-85% nickel (Ni
), and 1.5-35% mycinimetal (Mm)
Provided is a hydrogen storage alloy characterized by containing.

本発明のMg−Ca−N 1−Mm系合金は、1〜10
気圧の水素放出圧力を発揮する温度範囲が10〜310
℃と非常に広く、特に、前述したような三元系合金が使
用されない100〜250℃においても1〜10気圧の
水素圧を示す点にふいて水素吸蔵合金としての有用性が
著しく高い。また、本発明の多元系合金は、単一の金属
間化合物とは考えられないが、金属間化合物から成る従
来の二元系または三元系合金と同等以上の水素吸蔵能を
有し、例えば、CaNi5 やMmNi5 よりも水素
吸蔵能が大きい。
The Mg-Ca-N 1-Mm alloy of the present invention has 1 to 10
The temperature range that exhibits the hydrogen release pressure of atmospheric pressure is 10 to 310
℃, and in particular exhibits a hydrogen pressure of 1 to 10 atm even at 100 to 250 degrees Celsius, where ternary alloys such as those mentioned above are not used, making it extremely useful as a hydrogen storage alloy. Furthermore, although the multi-component alloy of the present invention is not considered to be a single intermetallic compound, it has a hydrogen storage capacity equivalent to or higher than that of conventional binary or ternary alloys made of intermetallic compounds, such as , has a larger hydrogen storage capacity than CaNi5 and MmNi5.

本発明に従う多元系合金がこのような優れた性能を有す
るのは、存在する四種類の合金成分が相互に有効に作用
するためと考えられる。例えば、カルシウムとミュシ二
メタルは、それぞれ、ニッケルと反応して低温(特に、
100℃以下)で良好な水素化特性を示す合金成分とし
て機能するものと解される。また、マグネシウムは、特
に水素吸蔵能を高めるのに寄与するものと思われる。
The reason why the multi-component alloy according to the present invention has such excellent performance is thought to be because the four types of alloy components present interact effectively with each other. For example, calcium and musinimetal each react with nickel at low temperatures (especially
It is understood that it functions as an alloy component that exhibits good hydrogenation properties at temperatures below 100°C. Moreover, magnesium seems to particularly contribute to increasing the hydrogen storage capacity.

さらに、本発明のMg−Ca−N 1−Mm系水素吸蔵
合金においては、マグネシウムの融点が649℃、カル
シウムの融点が850℃、ミュシュメタルの融点が約8
5Q℃であり互いに比較的近接しニッケルとの合金化が
容易であるので、したがって、本発明の合金は、各成分
の溶融操作により簡単に製造されることができる。また
、本発明の水素吸蔵合金は、マグネシウムを使用してい
るので価格が安くなる点においても有利である。
Furthermore, in the Mg-Ca-N 1-Mm hydrogen storage alloy of the present invention, the melting point of magnesium is 649°C, the melting point of calcium is 850°C, and the melting point of Musmetal is about 8°C.
5Q°C, relatively close to each other, and easy to alloy with nickel, therefore, the alloy of the present invention can be easily produced by melting the respective components. Furthermore, since the hydrogen storage alloy of the present invention uses magnesium, it is also advantageous in that it is inexpensive.

本発明の多元系合金においては、N1の含有量が85%
より多い場合、あるいは30%より少い場合水素を吸蔵
する能力が少いから、Niの含有量は30〜85%の範
囲にする必要がある。同様に、Mgの含有量が0.5重
量%より少い場合、あるいは40重量%より多い場合に
は水素を吸蔵する能力が少ないから、Mgの含有量は0
.5〜40重量%の範囲にする必要がある。
In the multi-component alloy of the present invention, the N1 content is 85%
If it is more than 30% or less than 30%, the ability to absorb hydrogen will be low, so the Ni content needs to be in the range of 30 to 85%. Similarly, if the Mg content is less than 0.5% by weight or more than 40% by weight, the ability to absorb hydrogen is low, so the Mg content is 0.
.. It needs to be in the range of 5 to 40% by weight.

また、Caの含有量は15重量%以上では1、溶解が困
難となり、他方、0.5重量パーセント以下では合金の
脱酸効果が小さくなるため、Ca含有量は0.5〜15
重量%の範囲にする必要がある。
Furthermore, if the Ca content is 15% by weight or more, dissolution becomes difficult, while if it is less than 0.5% by weight, the deoxidizing effect of the alloy becomes small, so the Ca content should be 0.5 to 15% by weight.
It is necessary to keep it within the weight % range.

Mm(ミュシュメタル)は、その含有量が35重量%よ
り多いと水素を吸蔵する能力が小さく、一方1,5重量
%より少ない場合には水素化温度の範囲が狭くなるので
、Mmは1.5〜35重量%の範囲にする必要がある。
If the content of Mm (Muschmetal) is more than 35% by weight, the ability to absorb hydrogen will be small, while if it is less than 1.5% by weight, the hydrogenation temperature range will be narrowed, so Mm is 1.5%. It is necessary to keep it in the range of ~35% by weight.

なお、ミュシュメタル(M m )とは、希土類元素の
合金として知られているものであり、La、Ceを主成
分としNd。
Note that Muschmetal (M m ) is known as an alloy of rare earth elements, with La and Ce as main components and Nd.

Sm、Prなどの希土類元素を合計で98%以上含有し
、残部がFeなどの不純物から成るものである。
It contains a total of 98% or more of rare earth elements such as Sm and Pr, and the remainder consists of impurities such as Fe.

本発明者らは、このようなMg−Ca−N1−Mmから
成る多元系合金について研究を重ねた結果、該合金に吸
蔵された水素の放出圧力が1気圧を示す温度と、合金の
組成の間に、信頼性の高い相関関係が存することも見出
している。すなわち、本発明の水素吸蔵合金の水素放出
圧力が1気圧を示す温度をt℃とし、合金のMg成分の
重量パーセントをaSMm成分の重量パーセントをb1
Ca成分の重量パーセントをc、Ni成分の重量パーセ
ントをdで表すと、11は、 t=4484−38.1a −53,7b −54,2
c −42,96で表わすことができる。この式は、そ
の相関係数が0.999で高度に有為である。したがっ
て、この式を用いれば、水素の放出圧力が1気圧を示す
合金組成を選択でき、例えば、圧力の異る2種類の合金
を必要とするエネルギー変換に用いられる合金を簡単に
選定することができる。
As a result of repeated research on such a multi-component alloy consisting of Mg-Ca-N1-Mm, the present inventors have found that the temperature at which the release pressure of hydrogen occluded in the alloy is 1 atm and the composition of the alloy We have also found that there is a highly reliable correlation between the two. That is, the temperature at which the hydrogen release pressure of the hydrogen storage alloy of the present invention is 1 atm is t°C, the weight percent of the Mg component of the alloy is a, the weight percent of the SMm component is b1
If the weight percent of Ca component is represented by c and the weight percent of Ni component is represented by d, then 11 is t=4484-38.1a -53,7b -54,2
It can be expressed as c -42,96. This equation is highly significant with its correlation coefficient of 0.999. Therefore, by using this formula, it is possible to select an alloy composition that exhibits a hydrogen release pressure of 1 atm, and for example, it is possible to easily select an alloy used for energy conversion that requires two types of alloys with different pressures. can.

以下、本発明の特徴を一層明らかにするため、実施例に
沿って本発明を説明する。
EXAMPLES Hereinafter, in order to further clarify the characteristics of the present invention, the present invention will be described with reference to Examples.

実施例1: Mg−Ni母合金にMm(重量で、Ce 53.5%、
L a 22.6%、N d 17.3%、P r 5
.6%、S m O,1%、F e O,19%、M 
g 0.66%、Al0108%)とCaを目標組成に
なるよう配合し、アルゴン雰囲気アルミナマンボ中で高
周波溶解して所望の合金を1等該合金を1mm以下に破
砕し、内容積約IQccの反応容器に充填し、この反応
容器を一定温度で真空排気した後、40〜50気圧の水
素を導入し、反応系を密閉状態にし16〜24時間放置
した。合金は水素導入後数分で水素化しはじめ系内の圧
力が下降し、16〜24時間で完全に水素化する。再度
真空排気し水素を導入すると合金は直ちに水素化し60
分以内に水素化を完了する。各合金は、水素化に好適な
温度領域において水素化させて、水素吸蔵量を調べた。
Example 1: Mg-Ni master alloy with Mm (by weight, Ce 53.5%,
L a 22.6%, N d 17.3%, P r 5
.. 6%, S m O, 1%, F e O, 19%, M
(g0.66%, Al0108%) and Ca to achieve the target composition, and the desired alloy was crushed to 1 mm or less by high frequency melting in an argon atmosphere alumina mambo, and the inner volume was approximately IQcc. After filling the reaction vessel and evacuating the reaction vessel at a constant temperature, hydrogen at 40 to 50 atmospheres was introduced, and the reaction system was sealed and left for 16 to 24 hours. The alloy begins to hydrogenate within a few minutes after hydrogen is introduced, and the pressure in the system decreases, and the alloy is completely hydrogenated in 16 to 24 hours. When the vacuum is evacuated again and hydrogen is introduced, the alloy is immediately hydrogenated to 60
Complete hydrogenation within minutes. Each alloy was hydrogenated in a temperature range suitable for hydrogenation, and the amount of hydrogen absorbed was investigated.

また、吸蔵された水素の放出圧力と温度との関係も調べ
た。放出圧力および吸蔵量は、通常の容量法により測定
した。
We also investigated the relationship between the release pressure of stored hydrogen and temperature. Release pressure and storage capacity were measured by conventional volumetric methods.

第1表には、水素吸蔵量と水素化温度の例を示している
。この表から、本発明の四元系合金が水素吸蔵合金とし
て使用できることが理解される。
Table 1 shows examples of hydrogen storage capacity and hydrogenation temperature. It is understood from this table that the quaternary alloy of the present invention can be used as a hydrogen storage alloy.

また、第2表には、第1表に示す合金の幾つかについて
水素の放出圧力が1気圧を示す温度を示す。該表から、
本発明の四元系合金が、広範囲の温度に使用できるよう
に容易に設計できることが理解される。
Table 2 also shows the temperatures at which the hydrogen release pressure is 1 atm for some of the alloys shown in Table 1. From the table,
It will be appreciated that the quaternary alloys of the present invention can be easily designed for use over a wide range of temperatures.

第1表 第  2  表 溶解後の組成が、重fiノf−セントでM m 10.
0パーセント、M g 、40.02寸−セント、Ca
 3.0ノ(−セント、Ni47.O)寸−セントにな
るよつ(こ、Mg−Ni母合金にMmとCaを配合し、
アルミナルツボ内でアルゴン気流を通しながら溶解した
。
Table 1 Table 2 Composition after dissolution: M m 10.
0 percent, M g , 40.02 sun-cents, Ca
It becomes 3.0 cents (-cents, Ni47.O) (this is by blending Mm and Ca with the Mg-Ni master alloy,
The mixture was melted in an alumina crucible while passing an argon stream through it.

該合金を化学分析したところ、M m 9.9 t<−
セント、M g 39.8パーセント、Ca 2. O
パーセントであった。この合金を1mm以下に破砕し、
容積約l Qmi’の容器に充填し、310℃で3時間
真空排気した後、約5Qatmの水素を導入し完全に水
素化させた。この時の水素吸蔵量は重量パーセントで2
,64パーセントであった。その後水素を大気圧まで放
出させ(第1図の実線部分参照)、再度310℃で真空
排気し合金中の水素を十分追い出したのち、水素圧力を
徐々に増し各圧力における水素吸蔵量を容積法により調
べた。同様に水素圧力を徐々に減じ合金からの水素放出
量を調べた(第1図の破線部分参照)。温度250℃に
おいても同様の実験を行なった(第1図の破線部分参照
)。その結果、該合金は310℃で4,8atm。
Chemical analysis of the alloy revealed that M m 9.9 t<-
Cent, Mg 39.8%, Ca 2. O
It was a percentage. This alloy is crushed into pieces of 1 mm or less,
After filling a container with a volume of about 1 Qmi' and evacuation at 310° C. for 3 hours, about 5 Qatm of hydrogen was introduced to completely hydrogenate. At this time, the hydrogen storage capacity is 2% by weight.
, 64%. After that, the hydrogen was released to atmospheric pressure (see the solid line in Figure 1), and the alloy was evacuated again at 310°C to sufficiently drive out the hydrogen.The hydrogen pressure was then gradually increased and the amount of hydrogen absorbed at each pressure was calculated using the volumetric method. It was investigated by. Similarly, the hydrogen pressure was gradually reduced and the amount of hydrogen released from the alloy was investigated (see the broken line in Figure 1). A similar experiment was conducted at a temperature of 250° C. (see the broken line in FIG. 1). As a result, the alloy was 4.8 atm at 310°C.

250℃でlatmの水素放出圧を示し、水素吸蔵量は
M g 2 N lより少いがCaN i5、MmN 
isより多いことがわかった。
It shows a hydrogen desorption pressure of latm at 250°C, and the hydrogen storage capacity is smaller than that of M g 2 N l, but compared to CaN i5 and MmN
It turns out that there are more than IS.

実施例3: 実施例2と同様の方法で、M m 2.0パーセント、
M g 3.7バーセント、Ca12.7パーセ/ト、
N i 81.6パーセントの合金を溶製した。
Example 3: In a similar manner to Example 2, M m 2.0 percent,
M g 3.7%, Ca 12.7%/t,
An 81.6 percent Ni alloy was produced.

水素化は180℃で真空排気した後合金を15℃に保持
し約j5at+y+の水素と接触せしめ24時間保持す
ることにより行った。このときの水素吸蔵量は1.53
wt%であり、MgとMmを添加する事により、CaN
i5 の1.2wt%より水素吸蔵量が増加することが
わかった。該合金について、80℃において水素化放出
実験を行なったところ、80℃水素量1(/M <水素
/合金原子比) = 0.3で1気圧の水素放出圧を有
することがわかった。
Hydrogenation was carried out by evacuating the alloy at 180° C., then keeping the alloy at 15° C., bringing it into contact with about j5at+y+ hydrogen, and keeping it there for 24 hours. The hydrogen storage capacity at this time is 1.53
wt%, and by adding Mg and Mm, CaN
It was found that the hydrogen storage amount increased from 1.2 wt% of i5. A hydrogenation release experiment was conducted on this alloy at 80°C, and it was found that the alloy had a hydrogen release pressure of 1 atm at 80°C, hydrogen amount 1 (/M <hydrogen/alloy atomic ratio) = 0.3.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本発明に従う水素吸蔵合金の1実施例の圧力
組成線図である。 第2図は、本発明に従う水素吸蔵合金の他の実施例の圧
力組成線図である。 第1図 水素吸蔵量(重量7.)
FIG. 1 is a pressure composition diagram of one embodiment of the hydrogen storage alloy according to the present invention. FIG. 2 is a pressure composition diagram of another example of the hydrogen storage alloy according to the present invention. Figure 1 Hydrogen storage capacity (weight 7.)

Claims (1)

【特許請求の範囲】[Claims] 重量パーセントで、0.5〜40%のマグネシウム、0
.5〜15%のカルシウム、30〜85%のニッケル、
および1.5〜35%のミュシュメタルを含有すること
を特徴とする水素吸蔵合金。
By weight percent, 0.5-40% magnesium, 0
.. 5-15% calcium, 30-85% nickel,
and a hydrogen storage alloy characterized by containing 1.5 to 35% Muchmetal.
JP3848585A 1985-02-27 1985-02-27 Hydrogen occluding alloy Pending JPS61199045A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3848585A JPS61199045A (en) 1985-02-27 1985-02-27 Hydrogen occluding alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3848585A JPS61199045A (en) 1985-02-27 1985-02-27 Hydrogen occluding alloy

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JPS61199045A true JPS61199045A (en) 1986-09-03

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62294145A (en) * 1986-06-13 1987-12-21 Santoku Kinzoku Kogyo Kk Metallic alloy for hydrogen storage containing rare earth element and nickel
WO1995034918A1 (en) * 1994-06-14 1995-12-21 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
JPH09199122A (en) * 1996-01-22 1997-07-31 Toshiba Corp Hydrogen storage alloy and secondary battery
EP0996183A1 (en) * 1998-09-29 2000-04-26 Agency Of Industrial Science And Technology Ternary hydrogen storage alloy and process for production thereof
US6193929B1 (en) * 1999-11-06 2001-02-27 Energy Conversion Devices, Inc. High storage capacity alloys enabling a hydrogen-based ecosystem
JP2011044388A (en) * 2009-08-24 2011-03-03 Gs Yuasa Corp Nickel-metal hydride storage battery
JP2013087294A (en) * 2011-10-13 2013-05-13 Denso Corp Method for manufacturing hydrogen-absorbing magnetic refrigeration material

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62294145A (en) * 1986-06-13 1987-12-21 Santoku Kinzoku Kogyo Kk Metallic alloy for hydrogen storage containing rare earth element and nickel
US5506069A (en) * 1993-10-14 1996-04-09 Ovonic Battery Company, Inc. Electrochemical hydrogen storage alloys and batteries fabricated from Mg containing base alloys
WO1995034918A1 (en) * 1994-06-14 1995-12-21 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
WO1996036083A1 (en) * 1995-05-08 1996-11-14 Ovonic Battery Company, Inc. Electrochemical hydrogen storage alloys and batteries containing heterogeneous powder particles
JP2006152442A (en) * 1995-05-08 2006-06-15 Ovonic Battery Co Inc Electrochemical hydrogen storage alloy and battery containing foreign powder particles
JPH09199122A (en) * 1996-01-22 1997-07-31 Toshiba Corp Hydrogen storage alloy and secondary battery
EP0996183A1 (en) * 1998-09-29 2000-04-26 Agency Of Industrial Science And Technology Ternary hydrogen storage alloy and process for production thereof
US6193929B1 (en) * 1999-11-06 2001-02-27 Energy Conversion Devices, Inc. High storage capacity alloys enabling a hydrogen-based ecosystem
JP2011044388A (en) * 2009-08-24 2011-03-03 Gs Yuasa Corp Nickel-metal hydride storage battery
JP2013087294A (en) * 2011-10-13 2013-05-13 Denso Corp Method for manufacturing hydrogen-absorbing magnetic refrigeration material

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