摘要:
According to one embodiment, there is provided an electrode for a nonaqueous electrolyte battery. The electrode includes an active material layer. The active material layer includes a monoclinic β-type titanium composite oxide. When the electrode is subjected to an X-ray diffraction measurement using a Cu-Kα ray source, a ratio of a reflection intensity I(020) of a peak derived from a plane (020) of a crystal of the monoclinic β-type titanium composite oxide to a reflection intensity I(001) of a peak derived from a plane (001) of the crystal of the monoclinic β-type titanium composite oxide being in the range from 0.6 to 1.2.
摘要:
According to one embodiment, there is provided an electrode for a nonaqueous electrolyte battery. The electrode includes an active material layer. The active material layer includes a monoclinic β-type titanium composite oxide. When the electrode is subjected to an X-ray diffraction measurement using a Cu-Kα ray source, a ratio of a reflection intensity I(020) of a peak derived from a plane (020) of a crystal of the monoclinic β-type titanium composite oxide to a reflection intensity I(001) of a peak derived from a plane (001) of the crystal of the monoclinic β-type titanium composite oxide being in the range from 0.6 to 1.2.
摘要:
According to one embodiment, an electrode includes a current collector, an active material-containing layer, a first peak, a second peak and a pore volume. The active material-containing layer contains an active material having a lithium absorption potential of 0.4 V (vs. Li/Li+) or more. The first peak has a mode diameter of 0.01 to 0.1 μm in a diameter distribution of pores detected by mercury porosimetry. The second peak has a mode diameter of 0.2 μm (exclusive) to 1 μm (inclusive) in the diameter distribution of pores. The pore volume detected by the mercury porosimetry is within a range of 0.1 to 0.3 mL per gram of a weight of the electrode excluding a weight of the current collector.
摘要翻译:根据一个实施例,电极包括集电器,含活性材料的层,第一峰,第二峰和孔体积。 含活性物质的层含有锂吸收电位为0.4V(相对于Li / Li +)以上的活性物质。 在通过水银孔率法检测的孔的直径分布中,第一峰的模式直径为0.01〜0.1μm。 第二峰在孔的直径分布中的模式直径为0.2μm(不包括)至1μm。 通过水银孔率法检测的孔体积在0.1至0.3mL /克重量的电极之外,不包括集电体的重量。
摘要:
According to one embodiment, a battery electrode includes an active material layer and a current collector is provided. The active material layer contains particles of a monoclinic β-type titanium complex oxide and particles of a lithium titanate having a spinel structure. When a particle size frequency distribution of particles contained in the active material layer is measured by the laser diffraction and scattering method, a first peak P1 appears in a range of 0.3 μm to 3 μm and a second peak P2 appears in a range of 5 μm to 20 μm in the frequency distribution diagram. The ratio FP1/FP2 of the frequency FP1 of the first peak P1 to the frequency FP2 of the second peak P2 is 0.4 to 2.3.
摘要:
According to one embodiment, an electrode includes a current collector, an active material-containing layer, a first peak, a second peak and a pore volume. The active material-containing layer contains an active material having a lithium absorption potential of 0.4 V (vs. Li/Li+) or more. The first peak has a mode diameter of 0.01 to 0.1 μm in a diameter distribution of pores detected by mercury porosimetry. The second peak has a mode diameter of 0.2 μm (exclusive) to 1 μm (inclusive) in the diameter distribution of pores. The pore volume detected by the mercury porosimetry is within a range of 0.1 to 0.3 mL per gram of a weight of the electrode excluding a weight of the current collector.
摘要翻译:根据一个实施例,电极包括集电器,含活性材料的层,第一峰,第二峰和孔体积。 含活性物质的层含有锂吸收电位为0.4V(相对于Li / Li +)以上的活性物质。 第一峰在通过水银孔率法检测的孔的直径分布中具有0.01至0.1μm的模式直径。 第二峰在孔的直径分布中具有0.2μm(独占)至1μm(含)的模式直径。 通过水银孔率法检测的孔体积在0.1至0.3mL /克重量的电极之外,不包括集电体的重量。
摘要:
According to one embodiment, a battery electrode includes an active material layer and a current collector is provided. The active material layer contains particles of a monoclinic β-type titanium complex oxide and particles of a lithium titanate having a spinel structure. When a particle size frequency distribution of particles contained in the active material layer is measured by the laser diffraction and scattering method, a first peak P1 appears in a range of 0.3 μm to 3 μm and a second peak P2 appears in a range of 5 μm to 20 μm in the frequency distribution diagram. The ratio FP1/FP2 of the frequency FP1 of the first peak P1 to the frequency FP2 of the second peak P2 is 0.4 to 2.3.
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 nonaqueous electrolyte battery is provided. The battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes lithium iron phosphate having an olivine structure as positive electrode active material. The negative electrode includes lithium titanate having a spinel structure and a monoclinic β-type titanium complex oxide as a negative electrode active material.
摘要:
According to one embodiment, a negative electrode active material for nonaqueous electrolyte battery includes a titanium oxide compound having a crystal structure of monoclinic titanium dioxide. When a monoclinic titanium dioxide is used as the active material, the effective capacity is significantly lower than the theoretical capacity though the theoretical capacity was about 330 mAh/g. The invention comprises a titanium oxide compound which has a crystal structure of monoclinic titanium dioxide and a (001) plane spacing of 6.22 Å or more in the powder X-ray diffraction method using a Cu—Kα radiation source, thereby making an attempt to improve effective capacity.