摘要:
The present invention provides a gas diffusion layer (13) for a fuel cell (1) which has proper rigidity, is easy to handle and contributes to the improvement of the productivity of fuel cells. A method for producing a gas diffusion layer (13) for a fuel cell includes a first step of: impregnating a conductive porous substrate made of a conductive carbon fiber cloth or conductive carbon fiber felt with a first dispersion containing a first fluorocarbon resin having thermoplasticity; and baking the first conductive porous substrate at a first baking temperature of not less than the melting point of the first fluorocarbon resin and less than the decomposition temperature of the first fluorocarbon resin to enhance the rigidity of the conductive porous substrate.
摘要:
A method of producing an electrode alloy powder is disclosed, wherein, to provide an electrode alloy powder capable of yielding an alkaline storage battery excellent in high-rate discharge property, self-discharge property and cycle life, a first step of immersing a starting powder comprising a hydrogen storage alloy containing 20 to 70 wt% of Ni in an aqueous solution containing 30 to 80 wt% of sodium hydroxide at a temperature of 90°C or higher and a second step of washing with water the powder which has been subjected to the first step are conducted.
摘要:
The present invention provides an improved hydrogen storage alloy of Ti-V-Ni system having a body-centered cubic structure. The alloy is of the general formula Ti x (V a Cr 1-a ) 1-x M b Ni c , wherein M represents at least one element of La and Ce or a Mischmetal, and wherein 0.5≦a≦0.95, 0.01≦b≦0.1, 0.1≦c≦0.6, and 0.2≦x≦0.4; or Ti x V y M z Ni 1-x-y-z , wherein M represents at least one element selected from the group consisting of Co, Fe, Cu, and Ag, and wherein 0.2≦x≦0.4, 0.3≦y
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 m V x X y Ni 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 ≦ m ≦ 0.8, 0.1 ≦ x ≦ 0.3, 1.0 ≦ z ≦ 1.5, and 2.0 ≦ m+x+y+z ≦ 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。 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≤n≤0.8,0.1≤x≤0.3,0.0≤z≤1.5,2.0≤m+ x + y + z2.4; ..., 当X是Al或Zn时,0
摘要:
The invention refers to a fuel cell comprising an electrode, said electrode having an edge portion defining an inner portion and said electrode being under pressure. According to the invention, at least a part of said edge portion is under less pressure as compared to at least a part of said inner portion.
摘要:
The present invention provides an improved hydrogen storage alloy of Ti-V-Ni system having a body-centered cubic structure. The alloy is of the general formula Ti x (V a Cr 1-a ) 1-x M b Ni c , wherein M represents at least one element of La and Ce or a Mischmetal, and wherein 0.5≦a≦0.95, 0.01≦b≦0.1, 0.1≦c≦0.6, and 0.2≦x≦0.4; or Ti x V y M z Ni 1-x-y-z , wherein M represents at least one element selected from the group consisting of Co, Fe, Cu, and Ag, and wherein 0.2≦x≦0.4, 0.3≦y
摘要翻译:本发明提供具有体心立方结构的Ti-V-Ni体系的改进的储氢合金。 该合金具有通式Tix(VaCr1-a)1-xMbNic,其中M表示La和Ce或混合金属的至少一种元素,并且其中0.5≤a≤0.95,0.01≤b< /=0.1,0.1≤n≤0.6,0.2≤x≤0.4; 或TixVyMzNi1-xyz,其中M表示选自Co,Fe,Cu和Ag中的至少一种元素,并且其中0.2≤x≤0.4,0≤y≤0.7,0.1, = z = 0.3,并且0.6 x + y + z <= 0.95。