Abstract: A battery pack includes a battery stack including plural battery cells, a housing accommodating the battery stack, a heater substrate including plural metal patterns, and plural heat conduction sheets. The battery cells are arrayed in a thickness direction. The heater substrate is disposed inside the housing such that the metal patterns oppose the corresponding battery cells. The metal patterns generate heat when electrified. The heat conduction sheets are interposed between the corresponding battery cells and metal patterns.

Abstract: A vibration device includes a bimorph type piezoelectric element having a first main surface and a second main surface facing each other and a vibration member bonded to the second main surface of the piezoelectric element. The piezoelectric element has a first active region disposed closer to the first main surface between the first and second main surfaces and a second active region disposed closer to the second main surface than the first active region between the first and second main surfaces. When a force generated in the first active region is F1, a force generated in the second active region is F2, and a force by which the vibration member restrains the second active region is Fr, F2?F1?Fr is satisfied.

Abstract: Disclosed is a substrate treating apparatus provided with a treating block. The treating block includes a wet transportation region adjoining a batch treatment region and a single-wafer transportation region. The wet transportation region contains a second posture turning mechanism provided on an extension line of a line of six batch process tanks and configured to turn a posture of substrates, on which immersion treatment is performed, from vertical to horizontal, a belt conveyor mechanism configured to receive the substrates in a horizontal posture one by one from the second posture turning mechanism and transport the substrates to the single-wafer transportation region, and a liquid supplying unit configured to supply a liquid to wet the substrates, transported by the belt conveyor mechanism, with the liquid.

Abstract: Provided is a negative electrode active material for secondary batteries that is capable of inhibiting negative electrode swelling and the decline of the charge/discharge cycle characteristics of a battery. A negative electrode active material for secondary batteries according to the present disclosure is characterized by including a Si-based material, activated carbon, and a conductive material, and in that the Si-based material and the conductive material are carried in pores of the activated carbon.

Abstract: A piezoelectric element includes a piezoelectric body, an electrode layer, and a reinforcing layer. The piezoelectric body has a first main surface, a second main surface, and a side surface. The first main surface and the second main surface oppose each other. The side surface extends in an opposing direction in which the first main surface and the second main surface oppose each other in such a way as to connect the first main surface and the second main surface. The electrode layer is provided in the piezoelectric body. The reinforcing layer is provided on the first main surface. The electrode layer is provided opposing the first main surface and apart from the side surface. When viewed from the opposing direction, the electrode layer has a corner. When viewed from the opposing direction, the reinforcing layer overlaps the corner.

Abstract: A negative electrode for a nonaqueous electrolyte secondary battery, according to one embodiment of the present invention, is provided with a negative electrode core and a negative electrode mixture layer provided on the surface of the negative electrode core. The negative electrode mixture layer has a first layer that includes: at least one of at least one kind of metal element selected from Si, Sn, Sb, Mg, and Ge, and a compound containing said metal element; at least one of multi-walled carbon nanotubes and single-walled carbon nanotubes; and a binding agent. The negative electrode mixture layer also has a second layer that includes graphite A with a particle fracture strength of 10-35 MPa. The porosity of the first layer is preferably 50-65%.

Abstract: A secondary battery module includes a nonaqueous-electrolyte secondary battery and an elastic body, wherein a negative electrode constituting the nonaqueous-electrolyte secondary battery includes a negative-electrode active material layer, the negative-electrode active material layer includes a first layer, and a second layer that is formed on the first layer and has a higher compression modulus than the first layer, a separator constituting the nonaqueous-electrolyte secondary battery has a lower compression modulus than the first layer, the elastic body has a lower compression modulus than the separator, the graphite particles contained in the first layer have a BET specific surface area of 1 to 2.5 m2/g, and the content of Si particles in the first layer is 6 mass % to 13 mass % relative to the total amount of the negative-electrode active material layer.

Abstract: A secondary battery module according to the present embodiment includes a nonaqueous-electrolyte secondary battery and an elastic body, wherein a negative electrode constituting the nonaqueous-electrolyte secondary battery includes a negative-electrode current collector and a negative-electrode active material layer, the negative-electrode active material layer includes a first layer formed on the negative-electrode current collector, and a second layer that is formed on the first layer and has a higher compression modulus than the first layer, a separator constituting the nonaqueous-electrolyte secondary battery has a lower compression modulus than the first layer, the elastic body has a lower compression modulus than the separator, a graphite particles contained in the first layer have a BET specific surface area of 1 to 2.5 m2/g, and the first layer 52a contains 0.01 mass % to 0.4 mass % of a carbon nanotube having one to five graphene sheets.

Abstract: A non-aqueous electrolyte secondary battery includes: a pressure-type current interrupt device arranged in a conductive path, for interrupting the conductive path when an internal pressure exceeds a working pressure; a non-aqueous electrolyte; and a positive electrode composite material layer. The non-aqueous electrolyte contains a gas generation agent that generates a gas in an overcharge region, and the positive electrode composite material layer contains a first positive electrode active material particle including lithium iron phosphate, and a second positive electrode active material particle including lithium-nickel composite oxide. A ratio of the first positive electrode active material particle to a total mass of the first positive electrode active material particle and the second positive electrode active material particle is 5% by mass or more and 20% by mass or less.

Abstract: A lithium-ion secondary battery includes at least a negative electrode, a positive electrode, and an electrolyte solution. The negative electrode includes at least negative electrode active material particles. Each of the negative electrode active material particles contains at least a SiOx particle and a Si layer. The Si layer covers a surface of the SiOx particle. The Si layer has a thickness not smaller than 10 nm and not greater than 100 nm. The electrolyte solution contains at least one selected from the group consisting of FEC and VC.

Abstract: A secondary battery module includes a nonaqueous-electrolyte secondary battery and an elastic body, wherein a negative electrode constituting the nonaqueous-electrolyte secondary battery includes a negative-electrode active material layer, the negative-electrode active material layer includes a first layer, and a second layer that is formed on the first layer and has a higher compression modulus than the first layer, a separator constituting the nonaqueous-electrolyte secondary battery has a lower compression modulus than the first layer, the elastic body has a lower compression modulus than the separator, the graphite particles contained in the first layer have a BET specific surface area of 1 to 2.5 m2/g, and the content of Si particles in the first layer is 6 mass % to 13 mass % relative to the total amount of the negative-electrode active material layer.

Abstract: A secondary battery module according to the present embodiment includes a nonaqueous-electrolyte secondary battery and an elastic body, wherein a negative electrode constituting the nonaqueous-electrolyte secondary battery includes a negative-electrode current collector and a negative-electrode active material layer, the negative-electrode active material layer includes a first layer formed on the negative-electrode current collector, and a second layer that is formed on the first layer and has a higher compression modulus than the first layer, a separator constituting the nonaqueous-electrolyte secondary battery has a lower compression modulus than the first layer, the elastic body has a lower compression modulus than the separator, a graphite particles contained in the first layer have a BET specific surface area of 1 to 2.5 m2/g, and the first layer 52a contains 0.01 mass % to 0.4 mass % of a carbon nanotube having one to five graphene sheets.

Abstract: A lithium-ion secondary battery includes at least a negative electrode, a positive electrode, and an electrolyte. The negative electrode includes at least a negative electrode active material and a polymer binder. The negative electrode active material includes at least a graphitic material and a silicon oxide material. The amount of acidic functional groups per unit surface area of graphitic material is not lower than 0.017 mmol/m2 and not higher than 0.086 mmol/m2. A polymer binder contains a carboxy group. Polymer binder has a main chain with a length not smaller than 0.53 ?m and not greater than 2.13 ?m.

Abstract: A non-aqueous electrolyte secondary battery includes at least a negative electrode composite material layer. The negative electrode composite material layer includes a negative electrode active material, a conductive material, and a binder. The negative electrode active material includes a silicon oxide material and a graphite material. The negative electrode composite material layer has a BET specific surface area not smaller than 3.5 m2/g and not greater than 5.0 m2/g. In an orthogonal coordinate system having an abscissa representing the elongation of the negative electrode composite material layer and an ordinate representing the electrical resistance of the negative electrode composite material layer, an elongation at a bending point (Cp) in the plot is 12% or higher.

Abstract: A lithium ion secondary battery, improved in durability against high-rate charging/discharging, which includes, in the negative electrode active material layer, a negative electrode active material formed of a graphite carbon material having a graphite structure in at least a part thereof, and a conductive carbon material, which is different from the graphite carbon material and is formed of a conductive amorphous carbon. The negative electrode active material has a bulk density of 0.5 g/cm3 or more and 0.7 g/cm3 or less, and a BET specific surface area of 2 m2/g or more and 6 m2/g or less. The conductive carbon material has a bulk density of 0.4 g/cm3 or less, and a BET specific surface area of 50 m2/g or less.

Abstract: The negative electrode plate includes at least a negative electrode composite material layer. The negative electrode composite material layer has a density of 1.5 g/cm3 or more. The negative electrode composite material layer contains at least first particles, second particles and a binder. The first particles contain graphite particles and an amorphous carbon material. The amorphous carbon material is coated on the surface of each graphite particle. The second particles are made of silicon oxide. The ratio of the second particles to the total amount of the first particles and the second particles is 2 mass % or more to 10 mass % or less. The negative electrode plate has a spring constant of 700 kN/mm or more to 3000 kN/mm or less.

Abstract: A non-aqueous electrolyte secondary battery includes at least a negative electrode composite material layer. The negative electrode composite material layer includes a negative electrode active material, a conductive material, and a binder. The negative electrode active material includes a silicon oxide material and a graphite material. The negative electrode composite material layer has a BET specific surface area not smaller than 3.5 m2/g and not greater than 5.0 m2/g. In an orthogonal coordinate system having an abscissa representing the elongation of the negative electrode composite material layer and an ordinate representing the electrical resistance of the negative electrode composite material layer, an elongation at a bending point (Cp) in the plot is 12% or higher.

Abstract: A lithium-ion secondary battery includes at least a negative electrode, a positive electrode, and an electrolyte solution. The negative electrode includes at least negative electrode active material particles. Each of the negative electrode active material particles contains at least a SiOx particle and a Si layer. The Si layer covers a surface of the SiOx particle. The Si layer has a thickness not smaller than 10 nm and not greater than 100 nm. The electrolyte solution contains at least one selected from the group consisting of FEC and VC.

Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode composite material layer, the positive electrode composite material layer including: a composite particle including a positive electrode active material, a first conductive material and a binder; and a second conductive material arranged on a surface of the composite particle and having a DBP oil absorption number smaller than that of the first conductive material.

Abstract: A lithium-ion secondary battery includes at least a negative electrode, a positive electrode, and an electrolyte. The negative electrode includes at least a negative electrode active material and a polymer binder. The negative electrode active material includes at least a graphitic material and a silicon oxide material. The amount of acidic functional groups per unit surface area of graphitic material is not lower than 0.017 mmol/m2 and not higher than 0.086 mmol/m2. A polymer binder contains a carboxy group. Polymer binder has a main chain with a length not smaller than 0.53 ?m and not greater than 2.13 ?m.