Abstract: A measuring system includes a first sensor, a second sensor, a first measurement value calculator that, based on a change of an amount of received light that is measured by the first sensor, calculates a first measurement value indicating an index related to a blood oxygen saturation or a blood refill time, a second measurement value calculator that, based on a change of an amount of received light that is measured by the second sensor, calculates a second measurement value indicating an index related to a blood oxygen saturation or a blood refill time, and a pressure controller that controls the first sensor and the second sensor so that a time difference between a start of compression release by the first sensor and a start of compression release by the second sensor is within a predetermined time period.

Abstract: A negative electrode for non-aqueous electrolyte secondary battery provides a means for improving output characteristics at a high rate. The negative electrode has a negative electrode active material layer having a thickness of 150 to 1500 ?m formed on a surface of a current collector. In addition, the negative electrode active material layer includes coated negative electrode active material particles in which at least a part of a surface of a negative electrode active material is coated with a coating agent containing a coating resin and a conductive aid. Furthermore, a porosity of the negative electrode active material layer is 39.0% to 60.0% and a density of the negative electrode active material layer is 0.60 to 1.20 g/cm3.

Abstract: To provide a negative electrode for a lithium ion battery which is excellent in energy density and cycle characteristics and has a small volume change at the time of charging. Provided is a negative electrode for a lithium ion battery comprising a negative electrode active material layer, in which the negative electrode active material layer is formed from a non-bound body of a mixture containing silicon and/or silicon compound particles and carbon-based negative electrode active material particles, a volume average particle size of the silicon and/or silicon compound particles is 0.01 to 10 ?m, a volume average particle size of the carbon-based negative electrode active material particles is 15 to 50 ?m, and a mass mixing ratio of the total of the silicon and silicon compound particles and the carbon-based negative electrode active material particles contained in the mixture is 5:95 to 45:55.

Abstract: To provide a negative electrode for a non-aqueous electrolyte secondary battery that can be produced even without performing a heat treatment at a high temperature such as 2,000° C. or higher and can have the discharge capacity and the cycle characteristics (capacity retention) further increased. The negative electrode for a non-aqueous electrolyte secondary battery according to the invention has a configuration in which a negative electrode active material layer containing a negative electrode material and a binder is formed on the surface of a current collector. Further, the negative electrode material has a core portion including carbonaceous negative electrode active material particles; and a shell portion including a polyimide and silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles.

Abstract: A non-aqueous electrolyte secondary battery has a positive electrode having a positive electrode active material layer, a negative electrode having a negative electrode active material layer, and an electrolyte layer having an electrolyte solution containing a non-aqueous solvent. At least one of the positive electrode active material layer and the negative electrode active material layer contains an electrode material for a non-aqueous electrolyte secondary battery having a core part including an electrode active material and a shell part including a conductive material in a base material formed by a gel-forming polymer having a liquid absorption rate with respect to the electrolyte solution of 10 to 200%.

Abstract: The battery pack has a laminated body in which unit cells are laminated one on another, a cell case having a first opening and containing the laminated body, and a first lid member to tightly close the first opening. The first opening is positioned to face, in connection with a unit cell laminated direction, a first face of the laminated body. The first lid member is configured to, if an internal pressure of the cell case is lower than atmospheric pressure, deform while keeping the tightly closing state, come into contact with the first face of the laminated body, and apply a pressure based on a differential pressure between atmospheric pressure and the internal pressure of the cell case to the contacting face.

Abstract: To provide a structure which allows production of an electrode, even if the film thickness of an electrode is increased; and a non-aqueous electrolyte secondary battery using the same.

Abstract: A polyester film constituted of a polyester resin which has an intrinsic viscosity (IV value) of 0.640-0.700, wherein the polyester resin constituting the polyester film contains a P element and further contains at least one element selected from among Mn, Mg, Ca, K, and Na elements, and when the content of the P element in the whole polyester resin is expressed by P (mol/t) and the total content of the Mn, Mg, Ca, K, and Na elements is expressed by M (mol/t), then the following relationships (1) and (2) are satisfied: 1.00?M?P?2.50??(1) 1.60?M/P?4.00??(2) A polyester film satisfactory in terms of local heat resistance, printing sensitivity, processability, and manufacturability is provided.

Abstract: To provide a negative electrode for a lithium ion battery in which a volume change of a silicon-based negative electrode active material due to charging and discharging is small, and a production method therefor. Provided is a method for producing a negative electrode for a lithium ion battery, the method including a step of forming a coating film on a current collector or a separator by using a slurry containing a negative electrode active material composition, which contains a silicon-based negative electrode active material and a carbon-based negative electrode active material, and a dispersion medium, in which the method further includes a step of doping the silicon-based negative electrode active material with lithium ions and a step of doping the carbon-based negative electrode active material with lithium ions before or after the step of forming the coating film and before assembling a lithium ion battery, and the method does not substantially include a step of drying the coating film.

Abstract: To provide a structure which allows production of an electrode, even if the film thickness of an electrode is increased; and a non-aqueous electrolyte secondary battery using the same.

Abstract: An electrode for a cell includes a resin current collector that is planate and contains a resin and an electrically conductive filler, and an electrode active material layer that is disposed on at least one surface side of the resin current collector and that contains electrode active material particles. The resin current collector includes an electrically conductive layer on its surface side facing the electrode active material layer, the electrically conductive layer having configuration with recesses and projections. This configuration with recesses and projections satisfies the relationship given by formula (1): h/tan ?<D, in which h is the average height of the configuration with recesses and projections, ? is the average inclination angle of the configuration with recesses and projections, and D is the average particle diameter of the electrode active material particles. A cell includes the electrode for a cell described above.

Abstract: To provide a positive electrode for a lithium ion battery having high energy density and being capable of rapid discharging. A positive electrode for a lithium ion battery, the positive electrode including a positive electrode current collector, a positive electrode active material layer formed on the surface of the positive electrode current collector, and a non-aqueous liquid electrolyte including an electrolyte containing lithium ions and a non-aqueous solvent, in which the positive electrode active material layer includes a positive electrode active material and voids, the voids are filled with the non-aqueous liquid electrolyte, and a proportion of the battery capacity based on a total amount of lithium ions in the non-aqueous liquid electrolyte existing in the positive electrode active material layer with respect to the battery capacity based on a total amount of the positive electrode active material is 3.5 to 15%.

Abstract: The present invention is a power storage service system including: quantitatively grasping the time leading up to the expression of the abnormality; capable determining possible or impossible of avoiding stopping of the function of the assembled battery system. According to the invention, a maintenance operator and a maintenance service supplier of the assembled battery system have a time margin to plan a response schedule and to prepare responding, and it can reduce the cost of responding to the maintenance by reducing and optimizing the number of response.

Abstract: The present invention provides a means for improving the output performance of a battery. An electrical connection structure of the present invention includes a current collector which includes a conductive resin layer containing a polymer material and a conductive filler and a conductive member which is in electrical contact with the conductive filler.

Abstract: A bipolar electrode is composed of a first active material layer which is, for example, a positive electrode active material layer formed to include a first active material on one side of a collector, and a second active material layer which is, for example, a negative electrode active material layer formed to include a second active material with less compressive strength than that of the first active material on the other side of the collector. Then, a density adjusting additive which is an additive material with larger compressive strength than that of the second active material is included in the second active material layer.

Abstract: The present invention aims to provide an electrode for lithium ion batteries which exhibits excellent electrical conductivity even if its thickness is large. The electrode for lithium ion batteries of the present invention includes a first main surface to be located adjacent to a separator of a lithium ion battery and a second main surface to be located adjacent to a current collector of the lithium ion battery. The electrode has a thickness of 150 to 5000 ?m. The electrode contains, between the first main surface and the second main surface, a conductive member (A) made of an electronically conductive material and a large number of active material particles (B). At least part of the conductive member (A) forms a conductive path that electrically connects the first main surface to the second main surface. The conductive path is in contact with the active material particles (B) around the conductive path.

Abstract: To provide a means for improving durability of a positive electrode for a lithium battery (in particular, a resin current collector for forming the positive electrode). The means is achieved by a positive electrode for a lithium battery having a resin current collector containing a polyolefin-based resin matrix and a conductive filler, and a positive electrode active material layer provided on the resin current collector, characterized in that an electron conductive layer is disposed on the surface of the resin current collector that is in contact with the positive electrode active material layer.

Abstract: Provided is a method for producing a lithium ion cell having an outer container composed of a resin molded article, and the method for producing a lithium ion cell includes a current collector forming process of forming, on the inner side of an outer container, each of a first electrode current collector and a second electrode current collector composed of an electrically conductive polymer composition by using a molding die.

Abstract: To provide an electrode for a lithium ion secondary battery capable of enhancing a charge and discharge cycle durability of an electrode that uses a resin current collector. An electrode for a lithium ion secondary battery provided with a resin current collector including a polyolefin resin matrix and a conductive filler A, and an electrode active material layer provided on the resin current collector, in which a crosslinked resin thin-film layer, which contains an Ni filler as a conductive filler B that does not alloy with Li and which has impermeability to the electrolyte solution, is arranged between the resin current collector and a negative electrode active material layer.

Abstract: Provided is a lithium ion cell having a power generation part provided with a single cell obtained by stacking a positive electrode current collector, a positive electrode active material layer, a separator, a negative electrode active material layer, and a negative electrode current collector in the order, and an exterior cell container for accommodating the power generation part, in which the positive electrode active material layer is a non-bound material of a positive electrode active material particle, the negative electrode active material layer is a non-bound material of a negative electrode active material particle, and the single cell has flexibility.