Abstract: Disclosed is a technique that can improve capacity of a positive electrode active material having an O2-type structure when applied to a positive electrode active material layer of a lithium-ion battery. The positive electrode mixture of the present disclosure comprises a first active material and a second active material, the first active material has an O2-type structure and is plate-like, the second active material has an O2-type structure and is spherical, a ratio D1L/D2 of a long diameter D1L of the first active material to a diameter D2 of the second active material is 0.1 or greater and 1.5 or less, and a ratio of the first active material relative to a total of the first active material and the second active material is 10% by mass or greater and 90% by mass or less.

Abstract: The information processing device 2X includes a data acquisition means 32X and a maneuver detection means 33X. The data acquisition means 32X acquires time series data indicating an observed position and time of a space object equipped with a propulsion system. The maneuver detection means 33X detects a maneuver by use of the propulsion system of the space object, based on the time series data.

Abstract: A utility vehicle includes a driver section disposed in a front portion of a body of the utility vehicle; a loading deck disposed behind the driver section; a motor section disposed below the loading deck and including an engine and an exhaust guiding section configured to guide exhaust from the engine to outside; an external air inlet configured to introduce external air from a lateral portion of the body; and an external-air guiding section configured to supply the external air introduced by the external air inlet to the motor section.

Abstract: The rate characteristic of O2-type positive electrode active material particle is improved. The positive electrode active material particle of the first mode have an O2-type structure, comprise at least one transition metal elements from among Mn, Ni and Co, with Li and O, as constituent elements, and are spherical. The positive electrode active material particle of the second mode have at least one shell and at least one void in the cross-sectional structure, wherein the shell has an O2-type structure, the shell comprises at least one transition metal element from among Mn, Ni and Co, with Li and O, as constituent elements, the surface of the shell comprises crystallites, and the void is present along the inner wall of the shell.

Abstract: Disclosed is a positive electrode active material having an O2-type structure and having a large capacity. The positive electrode active material of the present disclosure comprises a Li-containing oxide. The Li-containing oxide has an O2-type structure. The Li-containing oxide at least comprises, as constituent elements, at least one element among Mn, Ni, and Co; Li; and O. An X-ray diffraction pattern of the Li-containing oxide satisfies 0?I1/I2?0.30. The I1 is an intensity of an X-ray diffraction peak originating from (002) plane of a T #2-type structure, and the I2 is an X-ray diffraction peak intensity originating from (002) plane of the O2-type structure.

Abstract: Disclosed is a Na containing oxide having a P2 type structure wherein O3 phase is reduced. A method for producing a Na containing oxide of the present disclosure comprises obtaining a precursor containing at least one element of Mn, Ni and Co, coating the surface of the precursor with a Na source to obtain a composite, and firing the composite to obtain the Na containing oxide having the P2 type structure, wherein the atmosphere in firing the composite contains 50% by volume or more of oxygen.

Abstract: A method for manufacturing a negative electrode active material includes: an alloying step of causing an Na source and an Si source to react to produce an Na—Si alloy containing Na and Si; and a silicon clathrate production step of heating the Na—Si alloy and reducing an amount of Na in the Na—Si alloy to produce a type-II silicon clathrate. Porous Si with a BET specific surface area of 20 m2/g or more is used as the Si source.

Abstract: Disclosed is a positive electrode active material having a P2-type structure and having a large reversible capacity. The positive electrode active material of the present disclosure comprises a Na-containing oxide. The Na-containing oxide has a P2-type structure. The Na-containing oxide at least comprises, as constituting elements, at least one element among Mn, Ni, and Co; Na; and O. An X-ray diffraction pattern of the Na-containing oxide satisfies I1/I2?0.10. The X-ray diffraction pattern of the Na-containing oxide satisfies I1/I3?0.70. The I1 is an X-ray diffraction peak intensity originating from (102) plane of the P2-type structure, the I2 is an X-ray diffraction peak intensity originating from (002) plane of the P2-type structure, and the I3 is an X-ray diffraction peak intensity originating from (100) plane of the P2-type structure.

Abstract: A composition includes (A) an olefin-aromatic vinyl compound-aromatic polyene copolymer, (B) boron at a content of 0.2 ppm or more as measured by ICP-emission spectroscopy in accordance with JIS K0116: 2014, and (C) aluminum at a content in the range of 100 ppm or more and 2000 ppm or less as measured by ICP-emission spectroscopy in accordance with JIS K0116: 2014, the composition having a number-average molecular weight of 40000 or smaller.

Abstract: Disclosed is an active material composite particle comprising Si and having cycle characteristics under low constraint. The active material composite particle of the present disclosure comprises Si and a resin, wherein an area ratio of the resin in a surface layer portion of the composite particle is higher than an area ratio of the resin in a center portion of the composite particle when a cross-section of the composite particle is observed.

Abstract: A main object of the present disclosure is to provide an active material wherein the volume variation of an electrode layer during charge/discharge may be suppressed. The present disclosure achieves the object by providing an active material used for an all solid state battery, the active material comprising at least Si, and in infrared spectrum, when a maximum peak intensity in 900 cm?1 or more and 950 cm?1 or less is regarded as I1, and a maximum peak intensity in 1000 cm?1 or more and 1100 cm?1 or less is regarded as I2, the I1 and the I2 satisfy 0.55?I2/I1?1.0, and 0.01?I1.

Abstract: Disclosed is a composite active material having high capacity and low resistance. The composite active material of the present disclosure comprises an active material particle and a coating portion. The active material particle has an O2-type structure. The active material particle comprises, as constituent elements, Li; at least one transition metal element among Mn, Ni, and Co; and O. The active material particle is tabular. The coating portion covers at least a portion of a surface of the active material particle. The coating portion comprises a sulfide solid electrolyte.

Abstract: In the present disclosure, the problem is solved by providing an electrode active material obtained by agglomerating a plurality of primary particles with a binder, wherein: the primary particles are a Si-based active material containing a Si element; the binder is an organic polymer having a tensile modulus not less than 0.10 MPa and not more than 1100 MPa; a ratio of the binder relative to a total of the primary particles and the binder is not less than 1 weight % and not more than 20 weight %; and a particle size D50 of the electrode active material is not less than 2.5 ?m and not more than 20 ?m.

Abstract: A transformation model that transforms an input query into a feature vector can be updated based on any evaluation criterion. An information processing apparatus includes an evaluation unit that evaluates related information detected by search using a feature vector obtained by transforming an input query with a transformation model, by using an evaluation model that receives data to be evaluated and an evaluation criterion to output an evaluation result, and a training unit that updates the transformation model based on the evaluation result of the evaluation unit. The information processing apparatus makes it possible to optimize the transformation model according to a task or a user and to support decision-making.

Abstract: A main object of the present disclosure is to provide an electrode active material capable of suppressing the volume change of the electrode layer. The present disclosure achieves the object by providing an electrode active material including a secondary particle that is an aggregation of a plurality of primary particle, wherein the primary particle is a Si-based active material containing a Si element, and a particle size D10 (?m) and a particle size D50 (?m) of the secondary particle satisfy the specified formula (1).

Abstract: A main object of the present disclosure is to provide an active material wherein a volume variation due to charge/discharge is small. The present disclosure achieves the object by providing an active material comprising a silicon clathrate II type crystal phase, including a void inside a primary particle, and a void amount A of the void with a fine pore diameter of 100 nm or less is more than 0.15 cc/g and 0.40 cc/g or less.

Abstract: The present disclosure relates to an electrode active material and a battery. An electrode active material using a granulated body. The granulated body is a secondary particle provided by primary particles containing a Si element with use of a binder. In the electrode active material, a content of an organic solvent is 950 ppm or less.

Abstract: A solid-state battery has a first collector, a first electrode layer, an electrolyte layer, a second electrode layer and a second collector in that order, wherein the first collector includes a resin layer that contacts the first electrode layer, the first electrode layer contains an electrode active material, and the electrode active material has an active material resin.

Abstract: A composite active material in the present disclosure includes an active material particle and a coat layer. The active material particle has an O2-type structure. The active material particle contains Li, at least one transition metal element of Mn, Ni, and Co, and O, as constituent elements. The coat layer covers at least a part of a surface of the active material particle. The coat layer is a layer of an oxide that contains Li as a constituent element. A particle diameter (D50) of the composite active material is less than 5.90 ?m.

Abstract: An electrode active material includes primary particles containing a silicon element, the primary particles being provided as secondary particles by a binder. The primary particles are porous, and an average pore size of pores of the primary particles is more than 4.1 nm. A molecular size D50 in a molecular size distribution of the binder is less than 1,859 nm. The molecular size D50 is equal to or larger than the average pore size.