摘要:
According to one embodiment, an active material for a battery includes a titanium composite oxide. The titanium composite oxide contains a monoclinic β-type titanium composite oxide as its main phase and has a ratio (A2/A1) which is 0.4 or less, where A1 is an area intensity of a first peak existing in a frequency range of 105 cm−1 to 133 cm−1 and A2 is an area intensity of a second peak existing in a frequency range of 134 cm−1 to 154 cm−1 on a Raman spectrum measured using an argon laser having a wavelength of 514.5 nm.
摘要翻译:根据一个实施方案,用于电池的活性材料包括钛复合氧化物。 钛复合氧化物含有单斜晶系型钛复合氧化物作为其主相,并且其比率(A2 / A1)为0.4以下,其中A1为在105的频率范围内存在的第一峰的面积强度 cm -1〜133cm -1,A2是使用波长514.5nm的氩激光测定的拉曼光谱的134cm -1〜154cm -1的频率范围内存在的第二峰的面积强度。
摘要:
According to one embodiment, a non-aqueous electrolyte battery includes an outer case, a positive electrode housed in the outer case and containing a positive electrode active material, a negative electrode housed in the outer case and containing a monoclinic crystal β-type titanium composite oxide, and a non-aqueous electrolyte filled in the outer case. An absolute value of a gradient of a potential of the negative electrode is larger than that of the positive electrode. Wherein, each of the gradients of a potential of the negative and positive electrodes is found from variations in potential which come at the state of full charge on an open-circuit potential curve drawn from potentials of the positive electrode and the negative electrode.
摘要:
According to one embodiment, a battery active material includes a complex oxide containing Nb and Ti and an element M. In the active material, the molar ratio (M/Ti) of the element M to Ti satisfies the following formula (I): 0
摘要:
According to one embodiment, a battery active material is provided. The battery active material includes monoclinic complex oxide represented by the formula LixTi1-yM1yNb2-zM2zO7+δ (0≦x≦5, 0≦y≦1, 0≦z≦2, −0.3≦δ≦0.3). In the above formula, M1 is at least one element selected from the group consisting of Zr, Si and Sn, and M2 is at least one element selected from the group consisting of V, Ta and Bi.
摘要:
According to one embodiment, a battery active material includes a complex oxide containing Nb and Ti and an element M. In the active material, the molar ratio (M/Ti) of the element M to Ti satisfies the following formula (I): 0
摘要:
According to one embodiment, a nonaqueous electrolyte secondary battery includes a nonaqueous electrolytic solution, a positive electrode and a negative electrode is provided. The nonaqueous electrolytic solution comprises a nonaqueous solvent. The nonaqueous solvent comprises from 50 to 95% by volume of a sulfone-based compound represented by the following formula 1: wherein R1 and R2 are each an alkyl group having 1 to 6 carbon atoms and satisfy R1≠R2. The positive electrode comprises a composite oxide represented by Li1-xMn1.5-yNi0.5-zMy+zO4. The negative electrode comprises a negative electrode active material being capable of absorbing and releasing lithium at 1 V or more based on a metallic lithium potential.
摘要:
According to one embodiment, there is provided an electrode. The electrode includes a current collector and an active material layer provided on the current collector. The active material layer contains an active material and an acrylic based polymer.
摘要:
According to one embodiment, a non-aqueous electrolyte battery includes an electrode group. The electrode group includes a positive electrode and a negative electrode. At least one of the positive electrode or the negative electrode has a first electrode part and a second electrode part. The first electrode part includes a first metal substrate and an active material-containing part. The second electrode part includes a second metal substrate and an active material-containing part. The first metal substrate has a tensile strength larger than a tensile strength of the second metal substrate. A part of the first electrode part is provided more outside of the electrode group than a part of the second electrode group.
摘要:
According to one embodiment, a non-aqueous electrolyte battery includes an electrode group. The electrode group includes a positive electrode and a negative electrode. At least one of the positive electrode or the negative electrode has a first electrode part and a second electrode part. The first electrode part includes a first metal substrate and an active material-containing part. The second electrode part includes a second metal substrate and an active material-containing part. The first metal substrate has a tensile strength larger than a tensile strength of the second metal substrate. A part of the first electrode part is provided more outside of the electrode group than a part of the second electrode group.
摘要:
According to one embodiment, a non-aqueous electrolyte battery includes an outer package, a positive electrode, a negative electrode, and a non-aqueous electrolyte, wherein the negative electrode includes a current collector and a negative electrode layer formed on at least one surface of the current collector, and the negative electrode layer includes a titanium oxide compound having a crystal structure of monoclinic titanium dioxide as an active material and a non-fluororesin, the titanium oxide compound being modified with at least one ion selected from alkali metal cations.