摘要:
A hydrogen storage alloy preferably used for electrodes in an alkaline storage battery is provided. The alloy is of the general formula ZrMn.sub.w V.sub.x Mo.sub.b M.sub.y Ni.sub.z, wherein M is at least one element selected from the group consisting of Fe and Co and 0.4.ltoreq.w.ltoreq.0.8, 0.ltoreq.x.ltoreq.0.3, 0.05.ltoreq.b.ltoreq.0.2, 0.ltoreq.y.ltoreq.0.2, 1.0.ltoreq.z.ltoreq.1.5, and 2.0.ltoreq.w+x+b+y+z.ltoreq.2.4. The alloy has C15-type Laves phases of a crystal structure similar to that of MgCu.sub.2 as a main alloy phase, and a lattice constant "a" such that 7.05 .ANG..ltoreq.a.ltoreq.7.13 .ANG..
摘要翻译:提供优选用于碱性蓄电池中的电极的储氢合金。 该合金具有通式ZrMnwVxMobMyNiz,其中M是选自Fe和Co中的至少一种元素,0.4≤x≤0.0,0.0≤x≤0.0,0.05。 b = 0.2,0 = y 0.2,1.0 = z 1.5和2.0 w + x + b + y + z = 2.4。 该合金具有类似于MgCu 2作为主合金相的晶体结构的C15型Laves相和晶格常数“a”,使得7.05 ANGSTROM = 7.13 ANGSTROM。
摘要:
A hydrogen storage alloy preferably used for electrodes in alkaline rechargeable battery is of the general formula: Zr.sub.1.2-a Ti.sub.a Mn.sub.v Al.sub.w Ni.sub.x M.sub.y Cr.sub.z wherein M represents at least one element selected from the group consisting of Si, Zn, Sn, Fe, Mo, Cu and Co; and wherein 0.1.ltoreq.a
摘要翻译:优选用于碱性可再充电电池中的电极的储氢合金具有以下通式:Zr1.2-aTiaMnvAlwNixMyCrz其中M表示选自Si,Zn,Sn,Fe,Mo,Cu和Co中的至少一种元素; 并且其中0.1≤n≤1.2,0.4≤v≤1.2,0≤w≤0.3,0.8≤x≤1.0,0≤y≤0.2,0.0≤x≤0.2,0≤x≤0.6,0.0≤y≤0.0,0.0,0.0,0.0=0.0 /=z=0.3和1.7 =(v + w + x + y + z)= 2.7。 该合金具有与MgZn2类似的晶体结构的C14型Laves相和与作为主合金相的MgCu 2类似的晶体结构的C15型Laves相中的至少一种。
摘要:
In a method for producing a multi-component hydrogen storage alloy including metals of zirconium or vanadium, oxides of these metals is used to produce an alloy having characteristics equivalent to that produced with pure metals. It comprises steps of calcining the raw material, wherein at least one selected from the group consisting of zirconium and vanadium is included in its oxide form, at a temperature ranging from 900.degree. C. to 1300.degree. C., mixing metal calcium with said calcined raw material, and treating the mixture with heat at a temperature ranging from the melting point of metal calcium to 1300.degree. C., under inert gas atmosphere.
摘要:
A hydrogen storage alloy preferably used for electrodes in an alkaline storage battery is provided. The alloy is of the general formula ZrMn.sub.w V.sub.x M.sub.y Ni.sub.z which comprises C15-type Laves phases having a crystal structure similar to that of MgCu.sub.2 as a main alloy phase, where M is an element selected from the group consisting of Fe and Co; w, x, y, and z are respectively the mole ratios of Mn, V, M and Ni to Zr; the conditions 0.4.ltoreq.w.ltoreq.0.8, 0.1.ltoreq.x.ltoreq.0.3, 0.ltoreq.y.ltoreq.0.2, 1.0.ltoreq.z.ltoreq.1.5 and 2.0.ltoreq.w+x+y+z.ltoreq.2.4 are satisfied.
摘要:
A hydrogen storage alloy electrode comprising a hydrogen storage alloy having a major phase of C15 (MgCu.sub.2) type Laves phase with a composition expressed as ZrMn.sub.w M.sub.x Cr.sub.y Ni.sub.z (where M is one or more elements selected from V and Mo), or its hydride. In this formula, one composition range is 0.6.ltoreq.w.ltoreq.0.8, 0.1.ltoreq.x.ltoreq.0.3, 0
摘要:
The present invention provides a hydrogen storing alloy electrode having a large discharging capacity and a long lifetime at a high temperature. The electrode is also excellent in discharging characteristics in the early charging and discharging cycles. In one aspect of the present invention, the hydrogen storing alloy electrode is made of a hydrogen storing alloy represented by the general formula ZrMn.sub.m V.sub.x X.sub.y Ni.sub.z or a hydride thereof, wherein X is Al, Zn or W; m, x, y, and z are respectively mole ratio of Mn, V, X, and Ni to Zr: 0.4.ltoreq.m.ltoreq.0.8, 0.1.ltoreq.x.ltoreq.0.3, 1.0.ltoreq.z.ltoreq.1.5, and 2.0.ltoreq.m+x+y+z.ltoreq.2.4; when X is Al or Zn, 0
摘要翻译:本发明提供一种放电容量大,寿命长的储氢合金电极。 该电极在早期充放电循环中的放电特性也优异。 在本发明的一个方面中,储氢合金电极由通式为ZrMnmVxXyNiz或其氢化物表示的储氢合金制成,其中X为Al,Zn或W; m,x,y和z分别是Mn,V,X和Ni与Zr的摩尔比:0.4≤0.08,0.1≤x≤0.3,0.0≤z /=1.5和2.0 = m + x + y + z <= 2.4; 当X是Al或Zn时,0
摘要:
Addition of Mo to a Zr--Mn--V--Cr--Co--Ni, a Zr--Mn--Cr--Co--Ni hydrogen storage alloy, or those including Ti as substitution for Zr improves high-rate discharge characteristics of the hydrogen storage alloy at low temperatures. The hydrogen storage alloy is of the general formula ZrMn.sub.a V.sub.b Mo.sub.c Cr.sub.d Co.sub.e Ni.sub.f, wherein 0.4.ltoreq.a.ltoreq.0.8, 0.ltoreq.b
摘要:
This invention provides a composition comprising a mixture or a fired product of a material of the general formula Sr.sub.(1+x)/2 La.sub.(1-x)/2 Co.sub.1-x Me.sub.x O.sub.3-.delta. (wherein Me: at least one of Fe, Mn, Cr and V; O.ltoreq.x.ltoreq.1; .delta.: loss of oxygen) and SrMeO.sub.3 (wherein Me: at least one of Ti, Zr and and Hf), and a catalyst and a multi-functional sensor using such composition. With this composition it is possible to improve the catalytic performance for cleaning exhaust gas grom combusters or internal combustion engines and to improve sensitivity or response characteristics of the sensors for detecting stoichiometric composition.
摘要:
This invention provides a composition comprising a mixture or a fired product of a material of the general formula Sr.sub.(1+x)/2 La.sub.(1-x)/2 Co.sub.1-x Me.sub.x O.sub.3-.delta. (wherein Me: at least one of Fe, Mn, Cr and V; 0.ltoreq.x.ltoreq.1; .delta.: loss of oxygen) and SrMeO.sub.3 (wherein Me: at least one of Ti, Zr and and Hf), and a catalyst and a multi-functional sensor using such composition. With this composition it is possible to improve the catalytic performance for cleaning exhaust gas from combusters or internal combustion engines and to improve sensitivity or response characteristics of the sensors for detecting the stoichiometric composition.
摘要:
The present invention provides an alkaline storage battery comprising a positive electrode containing a nickel hydroxide active material and a compound oxide in a range of 2 wt % to 30 wt % to the amount of the nickel hydroxide. The compound oxide contains at least one transition metal element and at least one rare earth element or alkaline earth metal element. The compound oxide has conductivity of 10.sup.-2 S/cm or higher at 25.degree. C. and stability in an alkaline electrolyte. Consequently, the alkaline storage battery shows excellent characteristics in a long-term preservation at a high temperature, capacity restoration, and charge/discharge cycle life.