Abstract:
An active material for a battery contains a niobium composite oxide represented by the formula: LixM(1-y)NbyNb2O(7+δ), where M represents at least one kind selected from Ti and Zr. X, y, and δ are numbers respectively satisfying the following: 0≤x≤6, 0≤y≤1, and −1≤δ≤1.
Abstract:
According to one embodiment, an active material containing a monoclinic oxide is provided. The monoclinic oxide is represented by the formula LixTiNb2O7 (0≦x≦5). A unit cell volume of the monoclinic oxide is 795 Å3 or more.
Abstract translation:根据一个实施方案,提供了含有单斜氧化物的活性材料。 单斜氧化物由式LixTiNb2O7(0 @ x @ 5)表示。 单斜晶氧化物的单位电池体积为795以上。
Abstract:
According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer which contains an active material. The active material includes a plurality of primary particles containing a niobium-titanium composite oxide. The average crystallite diameter of the plurality of primary particles is 90 nm or more. The average particle size (D50) of the plurality of primary particles is in a range of 0.1 μm to 5 μm. The average value (FUave) of the roughness shape coefficient (FU) according to Formula (1) below is less than 0.70 in 100 primary particles among the plurality of primary particles. [ Formula 1 ] FU = f f c = 4 π a ℓ 2 ( 1 )
Abstract:
According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer which contains an active material. The active material includes a plurality of primary particles containing a niobium-titanium composite oxide. The average value (FUave) of the roughness shape coefficient (FU) according to Formula (1) below is 0.70 or more in 100 primary particles among the plurality of primary particles. [ Formula 1 ] FU = f f c = 4 π a ℓ 2 ( 1 )
Abstract:
According to one embodiment, an active material is provided. The active material includes a lithium niobium composite oxide represented by a general formula LixFe1−yM1yNb11−2M2zO29 (1) and having an orthorhombic crystal structure. In the general formula (1), 0≤x≤23, 0≤y≤1 and 0
Abstract:
In general, according to one embodiment, there is provided an active material. The active material contains a composite oxide having an orthorhombic crystal structure. The composite oxide is represented by a general formula of Li2+wNa2−xM1yTi6−zM2zO14+δ. In the general formula, the M1 is at least one selected from the group consisting of Cs and K; the M2 is at least one selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Co, Mn, and Al; and w is within a range of 0≤w≤4, x is within a range of 0
Abstract:
According to one embodiment, there is provided a battery module. The battery module includes five nonaqueous electrolyte batteries electrically connected in series. The five nonaqueous electrolyte batteries each include a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode includes an active material including a titanium-including composite oxide. The titanium-including composite oxide includes Na and a metal element M within a crystal structure. The metal element M is at least one selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Co, Mn, and Al.
Abstract:
A vehicle containing an nonaqueous electrolyte battery, the nonaqueous electrolyte battery including: a negative electrode containing a negative electrode active material; a positive electrode; and a nonaqueous electrolyte, where the negative electrode active material contains a composite oxide of formula: Lix(Nb1-yTay)2-zTi1+0.5zM0.5zO7, where 0≤x≤5, 0≤y≤1, and 0.4≤z≤1, and M is at least one metal element selected from Mo and W.
Abstract:
In general, according to one embodiment, there is provided an active material. The active material contains a composite oxide having an orthorhombic crystal structure. The composite oxide is represented by a general formula of Li2+wNa2−xM1yTi6−zM2zO14+δ. In the general formula, the M1 is at least one selected from the group consisting of Cs and K; the M2 is at least one selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Co, Mn, and Al; and w is within a range of 0≤w≤4, x is within a range of 0
Abstract:
According to one embodiment, there is provided an active substance. The active substance includes particles of niobium titanium composite oxide and a phase including a carbon material. The niobium titanium composite oxide is represented by Ti1−xM1xNb2−yM2yO7. The phase is formed on at least a part of the surface of the particles. The carbon material shows, in a Raman chart obtained by Raman spectrometry, a G band observed at from 1530 to 1630 cm−1 and a D band observed at from 1280 to 1380 cm−1. A ratio IG/ID between a peak intensity IG of the G band and a peak intensity ID of the D band is from 0.8 to 1.2.