摘要:
A hydrogen-absorbing alloy for battery according to the present invention comprises an alloy having the composition represented by a general formula A Ni a Mn b M c [where, A is at least one kind of element selected from rare earth elements including Y (yttrium), M is a metal mainly composed of at least one kind of element selected from Co, Al, Fe, Si, Cr, Cu, Ti, Zr, Zn, Hf, V, Nb, Ta, Mo, W, Ag, Pd, B, Ga, In, Ge and Sn, 3.5≦ a≦ 5, 0.1 ≦ b ≦ 1, 0 ≦ c ≦ 1, 4.5≦ a + b + c≦ 6], wherein the alloy has columnar structures in which the area ratio of the columnar structures having the ratio of a minor diameter to a major diameter (aspect ratio) of 1 : 2 or higher is 50 % or more. Further, an average minor diameter of the columnar structures is set to 30 microns or less. With this arrangement, there can be provided a nickel-metal hydride battery capable of satisfying the three leading characteristics of a high electrode capacity, long life and good rising-up all together.
摘要翻译:对于电池雅丁的吸氢合金具有由通式A的Ni的锰B M [其中,A是至少一种元素从稀土元素包括Y(钇),M所选表示的组成的合金的本发明包括 是主要由至少一种元素的从钴,铝,铁,硅,铬,铜,钛,锆,锌,铪,钒,铌,钽,钼,钨,银,钯,B中选择的金属, 镓,铟,Ge和Sn,3.5 =一个 = 5,0.1 = b = 1,0 = C = 1,4.5 = A + b + C = 6],worin该合金具有柱状结构,其中,具有较小的直径与大直径(纵横比)的比例为1的柱状结构体的面积率:2或更高是50%或更多。 此外,在柱状结构的平均短径为30微米或更小。 利用这种布置,可以上升时所有一起提供能够满足高电极容量,长寿命的三个领先特性和良好的镍 - 金属氢化物电池。
摘要:
According to one embodiment, a nonaqueous electrolyte battery (10) includes a container (2), a positive electrode (5) housed in the container (2), a negative electrode (3) housed in the container (2), and a nonaqueous electrolyte housed in the container (2). The positive electrode (5) includes a positive electrode active material represented by a general formula LiMO 2 (M is one or more elements selected from a group consisting of Ni, Co, and Mn). The negative electrode (3) is spatially separated from the positive electrode (5) and includes a titanium-containing oxide as a negative electrode active material. A potential of the positive electrode (5) is 3.75 V or more vs. Li/Li + , when an open circuit voltage of a nonaqueous electrolyte battery (10) is 2.17 V.
摘要:
According to one embodiment, there is provided a nonaqueous electrolyte battery including a nonaqueous electrolyte, a positive electrode (3) and a negative electrode (4). The positive electrode (3) includes a positive electrode current collector (3a) containing Al, and a positive electrode active material containing layer (3b). The negative electrode (4) includes a negative electrode current collector (4a) containing Al, and a negative electrode active material containing layer (4b). The negative electrode active material containing layer (4b) includes titanium-containing oxide particles having an average secondary particle size of more than 5 µm. The nonaqueous electrolyte battery satisfies a formula (1) of Lp
摘要:
According to one approach, an electrode is provided. The electrode includes a current collector and an electrode layer. The electrode layer is disposed on the current collector and includes lithium fluoride. A first content of lithium fluoride in a first region is 0.02% by weight or more and less than 2% by weight. The first region is adjacent to an interface between the electrode layer and the current collector, and has a first thickness equal to 20% with respect to a thickness of the electrode layer. A second content of lithium fluoride in a second region is from 2% by weight to 10% by weight. The second region is adjacent to a surface on a reverse side of the electrode layer, and has the first thickness.
摘要:
A hydrogen-absorbing alloy for battery according to the present invention comprises an alloy having the composition represented by a general formula A Ni a Mn b M c [where, A is at least one kind of element selected from rare earth elements including Y (yttrium), M is a metal mainly composed of at least one kind of element selected from Co, Al, Fe, Si, Cr, Cu, Ti, Zr, Zn, Hf, V, Nb, Ta, Mo, W, Ag, Pd, B, Ga, In, Ge and Sn, 3.5≦ a≦ 5, 0.1 ≦ b ≦ 1, 0 ≦ c ≦ 1, 4.5≦ a + b + c≦ 6], wherein the alloy has columnar structures in which the area ratio of the columnar structures having the ratio of a minor diameter to a major diameter (aspect ratio) of 1 : 2 or higher is 50 % or more. Further, an average minor diameter of the columnar structures is set to 30 microns or less. With this arrangement, there can be provided a nickel-metal hydride battery capable of satisfying the three leading characteristics of a high electrode capacity, long life and good rising-up all together.
摘要翻译:根据本发明的电池用吸氢合金包含具有由通式A表示的组成的合金:Nia Mnb Mc [其中,A是从包括Y(钇)的稀土元素中选择的至少一种元素,M 是主要由选自Co,Al,Fe,Si,Cr,Cu,Ti,Zr,Zn,Hf,V,Nb,Ta,Mo,W,Ag,Pd,B, Ga,In,Ge和Sn,3.5≤a≤5,0.1≤b≤1,0≤c≤1,4.5≤a+ b +c≤6],其中所述合金具有柱状结构,其中所述 具有1:2或更高的短径与长径比(纵横比)的柱状结构体为50%以上。 此外,柱状结构的平均短径设定为30微米或更小。 通过这种设置,可以提供一种能够满足高电极容量,长寿命和良好起伏的三个主要特征的镍 - 金属氢化物电池。
摘要:
According to one embodiment, there is provided a battery module comprising five to seven nonaqueous electrolyte batteries which are electrically connected in series, comprising a container (2), a nonaqueous electrolyte provided in the container (2), a positive electrode (3) and a negative electrode (4). The positive electrode (3) includes a positive electrode current collector (3a) containing Al, and a positive electrode active material containing layer (3b). The negative electrode (4) includes a negative electrode current collector (4a) containing Al, and a negative electrode active material containing layer (4b). The negative electrode active material containing layer (4b) includes titanium-containing oxide particles having an average secondary particle size of more than 5 µm. The nonaqueous electrolyte battery satisfies a formula (1) of Lp
摘要:
According to one embodiment, a nonaqueous electrolyte battery (10) includes a container (2), a positive electrode (5) housed in the container (2), a negative electrode (3) housed in the container (2), and a nonaqueous electrolyte housed in the container (2). The positive electrode (5) includes a positive electrode active material represented by a general formula LiMO 2 (M is one or more elements selected from a group consisting of Ni, Co, and Mn). The negative electrode (3) is spatially separated from the positive electrode (5) and includes a titanium-containing oxide as a negative electrode active material. A potential of the positive electrode (5) is 3.75 V or more vs. Li/Li + , when an open circuit voltage of a nonaqueous electrolyte battery (10) is 2.17 V.
摘要翻译:根据一个实施方案,非水电解质电池(10)包括容器(2),容纳在容器(2)中的正极(5),容纳在容器(2)中的负极)和非水电解质 容纳在容器(2)中的电解质。 正极(5)包括由通式LiMO 2表示的正极活性物质(M是选自Ni,Co和Mn中的一种以上的元素)。 负极(3)与正极(5)在空间上分离,并且包含含钛氧化物作为负极活性物质。 当非水电解质电池(10)的开路电压为2.17V时,正极(5)的电位相对于Li / Li +为3.75V以上。