摘要:
According to one embodiment, there is provided an active material for a battery. The active material includes secondary particle which contains primary particles of a monoclinic β-type titanium composite oxide having an average primary particle diameter of 1 nm to 10 μm. The secondary particle has an average secondary particle diameter of 1 μm to 100 μm. The secondary particle has compression fracture strength of 20 MPa or more.
摘要:
According to one embodiment, a negative electrode active material for a nonaqueous electrolyte battery is provided. The active material includes a titanium oxide compound having a crystal structure of a monoclinic titanium dioxide and having a crystallite, the crystallite having a crystallite size of 5 to 25 nm when it is calculated by using the half width of the peak of a (110) plane obtained by a powder X-ray diffraction (XRD) method using a Cu-Kα ray.
摘要:
According to one embodiment, there is provided a battery electrode. The battery electrode includes a titanium oxide compound having a monoclinic titanium dioxide crystal structure and a basic polymer.
摘要:
According to one embodiment, there is provided an electrode material. The electrode material includes an active material which includes a titanium oxide compound having a monoclinic titanium dioxide crystal structure. The electrode material further includes a compound which exists on the surface of the active material and has a trialkylsilyl group represented by the formula (I). wherein R1, R2 and R3, which may be the same or different, respectively represent an alkyl group having 1 to 10 carbon atoms.
摘要:
According to one embodiment, an active material for batteries includes monoclinic β-type titanium composite oxide having a crystallite, wherein the monoclinic β-type titanium composite oxide has a first diameter of the crystallite calculated from a peak present at an angle 2θ of 48 to 49° and a second diameter of the crystallite calculated from a peak present at an angle 2θ of 24 to 26°, by the wide-angle X-ray diffraction method using an X-ray source CuKα ray, the first diameter of the crystallite is defined as X and the second diameter of the crystallite is defined as Y, X is larger than Y.
摘要:
A non-aqueous electrolyte battery comprises a negative electrode comprising a current collector, and a negative electrode layer formed on one or both surfaces of the current collector, a positive electrode, and a separator interposed between the negative electrode and the positive electrode. The negative electrode layer comprises a plurality of layers laminated each other and containing a different active material each other, the layers comprising a first layer which is contacted with the current collector and contains spinel-type lithium titanate as an active material, and a second layer which is disposed to face the separator and contains Ramsdellite-type lithium titanate or anatase-type titanium oxide as an active material.
摘要:
According to one embodiment, a non-aqueous electrolyte battery includes an outer package, a positive electrode housed in the outer package, a negative electrode housed with a space from the positive electrode in the outer package and including an active material, and a non-aqueous electrolyte filled in the outer package. The active material includes a lithium-titanium composite oxide particle, and a coating layer formed on at least a part of the surface of the particle and including at least one metal selected from the group consisting of Mg, Ca, Sr, Ba, Zr, Fe, Nb, Co, Ni, Cu and Si, an oxide of at least one metal selected from the group or an alloy containing at least one metal selected from the group.