Abstract: A secondary battery capable of improving the cycle characteristics and the initial charge and discharge characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer on an anode current collector. The anode active material layer contains a crystalline anode active material having silicon as an element, and is linked to the anode current collector.

Abstract: A battery including a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has an insulative coat on an anode active material layer provided on an anode current collector. The coat contains an insulating material such as a meal hydroxide and a metal oxide. The coat is in a form of plate divided into a plurality of portions. The insulation property of the coat prevents internal short circuit. A plurality of portions of the coat prevent separation of the anode active material layer and decomposition of the electrolytic solution. Further, even when short circuit occurs, heat generation is prevented by heat absorption characteristics of the coat.

Abstract: A secondary battery capable of obtaining superior cycle characteristics and superior swollenness characteristics is provided. The secondary battery includes a cathode and an anode capable of inserting and extracting an electrode reactant; and an electrolyte containing a solvent and an electrolyte salt. The anode has an anode active material layer on an anode current collector. The anode active material layer contains a plurality of crystalline anode active material particles having silicon (Si) as an element. The plurality of anode active material particles contain a spherical particle and a nonspherical particle.

Abstract: A secondary battery capable of improving the cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has an anode structure on an anode current collector. The anode structure has a structure in which a plurality of anode active material particles having silicon are held by a plurality of metal fibers forming a three-dimensional network structure. Due to the plurality of metal fibers, sufficient conductive paths are obtained among the plurality of anode active material particles. Thus, compared to a general anode in which an active material layer is provided on a current collector made of a metal foil or the like, the current collectivity is improved.

Abstract: A secondary battery capable of obtaining superior cycle characteristics and superior swollenness characteristics is provided. The secondary battery includes a cathode and an anode capable of inserting and extracting an electrode reactant; and an electrolyte containing a solvent and an electrolyte salt. The anode has an anode active material layer on an anode current collector. The anode active material layer contains a plurality of crystalline anode active material particles having silicon (Si) as an element. The plurality of anode active material particles contain a spherical particle and a nonspherical particle.

Abstract: A condenser includes a first header tank, a second header tank, a third header tank, a plurality of first heat exchange tubes, a plurality of second heat exchange tubes, a refrigerant passable tubular body, and a desiccant container. The first header tank is provided on one side of the condenser and has a gas-liquid separation function. The plurality of first heat exchange tubes extend in an extending direction between the first header tank and the third header tank to connect the first header tank and the third header tank. The refrigerant passable tubular body is provided in the first header tank. An upper end of the refrigerant passable tubular body is located above an upper end of the plurality of first heat exchange tubes. The desiccant container is provided above the refrigerant passable tubular body in the first header tank.

Abstract: A heat exchanger includes a plurality of heat exchange tubes and corrugated fins. The heat exchange tubes are spaced apart from one another in a vertical direction of the heat exchanger. The corrugated fins are each disposed between adjacent heat exchange tubes. Each of the corrugated fins includes crest portions, trough portions, and connection portions. The crest portions extend in an air passage direction of the heat exchanger. The trough portions extend in the air passage direction. The connection portions connect the crest portions and the trough portions. The number of the crest portions of each of the corrugated fins disposed between adjacent heat exchange tubes falls within a range of a designed number ±2. The designed number is a standard number.

Abstract: Provided is a lithium ion secondary battery including a positive electrode, a negative electrode, a separator, and an electrolyte solution, in which the separator contains 0.02 to 0.11 wt % of sulfur relative to the weight of the separator.

Abstract: A battery including a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has an insulative coat on an anode active material layer provided on an anode current collector. The coat contains an insulating material such as a meal hydroxide and a metal oxide. The coat is in a form of plate divided into a plurality of portions. The insulation property of the coat prevents internal short circuit. A plurality of portions of the coat prevent separation of the anode active material layer and decomposition of the electrolytic solution. Further, even when short circuit occurs, heat generation is prevented by heat absorption characteristics of the coat.

Abstract: An electrode and a battery including the electrode, including an insulating member disposed from an active material layer on a current collector of the electrode to an exposed portion, can reduce nonuniformity in pressure applied to the electrode irrespective of the thickness of the insulating member and can reduce nonuniformity in an electrode reaction. The electrode includes a current collector; an active material layer that is stacked on the current collector so as to form an inclined portion while leaving an exposed portion at which a part of the current collector is exposed, the inclined portion being inclined in such a way that a thickness thereof decreases toward the exposed portion; and an insulating member that covers a region from the exposed portion to the inclined portion.

Abstract: A silicon nitride powder for a release agent of a polycrystalline silicon ingot casting mold, having a specific surface area of 5 to 40 m2/g, wherein, assuming that a content ratio of oxygen present in a particle surface layer is FSO (mass %), a content ratio of oxygen present inside a particle is FIO (mass %), and the specific surface area is FS (m2/g), FS/FSO is 8 to 30 and FS/FIO is 22 or more, and a ratio D10/D90 between a 10 vol % diameter D10 and a 90 vol % diameter D90 in a measurement of a particle size distribution on a volume basis by a laser diffraction particle size distribution meter of 0.05 to 0.20.

Abstract: A non-aqueous electrolyte secondary battery (large size cell) that has high output (low resistance) and high capacity makes it possible to improve the cycle characteristics of a battery by controlling the balance of the resistance between positive and negative electrodes. The non-aqueous electrolyte secondary battery has a positive electrode which comprises an active material and a conductive aid, a negative electrode, and an electrolyte layer, and having battery capacity of 3 Ah or more and an absolute value of battery internal resistance of 30 m? or less, in which the non-aqueous electrolyte second battery is characterized in that the zeta (?) potential between the active material and the conductive aid is in the range of 0.3 mV to 2 mV as an absolute value.

Abstract: The present invention provides a compound represented by formula (1) (wherein each of X1 and X2 independently represents —OR1, —NR2R3 or —CR4R5R6 or the like, each of R1, R2, R3, R4, R5 and R6 independently represents an unsubstituted or substituent-bearing glycosyl group or an unsubstituted or substituent-bearing C1 to C30 alkyl group or the like, and A represents an unsubstituted or substituent-bearing C1 to C30 alkyl group or the like) or a salt thereof.

Abstract: A method of producing a silicon nitride powder includes heating an amorphous Si—N(—H)-based compound in which assuming that the specific surface area is RS (m2/g) and the oxygen content ratio is RO (mass %), RS/RO is 500 or more, at a temperature rising rate of 12 to 100° C./min in a temperature range from 1,000 to 1,400° C. while flowing the compound by a continuous firing furnace.

Abstract: A condenser includes a first header tank, a second header tank, a third header tank, a plurality of first heat exchange tubes, a plurality of second heat exchange tubes, a refrigerant passable tubular body, and a desiccant container. The first header tank is provided on one side of the condenser and has a gas-liquid separation function. The plurality of first heat exchange tubes extend in an extending direction between the first header tank and the third header tank to connect the first header tank and the third header tank. The refrigerant passable tubular body is provided in the first header tank. An upper end of the refrigerant passable tubular body is located above an upper end of the plurality of first heat exchange tubes. The desiccant container is provided above the refrigerant passable tubular body in the first header tank.

Abstract: A secondary battery capable of improving the cycle characteristics and the swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode includes an anode active material layer having a plurality of fine pores on an anode current collector. The anode active material layer contains an anode active material and an anode binder. A change rate of a mercury intrusion into the plurality of fine pores measured by mercury penetration technique is distributed to show a peak in the pore diameter range from 30 nm to 10000 nm, both inclusive.

Abstract: A first header tank to which first heat exchange tubes of second and third heat exchange paths are connected and a second header tank to which second heat exchange tubes of a first heat exchange path are connected are provided at the left end of a condenser such that the former is located on the outer side of the latter with respect to a left-right direction and is offset from the latter in an air passage direction. The upper end of the first header tank is located above the lower end of the second header tank. The first header tank has a function of separating gas and liquid and storing the liquid. The first and second heat exchange tubes and side plates are bent in the same direction about a common vertical line. This condenser is suitable for use in a car air conditioner mounted on an automobile.

Abstract: Provided are a polycrystalline silicon ingot casting mold and a method for producing a polycrystalline silicon ingot casting mold, with which high-quality silicon ingots can be obtained at high yields by minimizing sticking with the surfaces of the silicon ingot casting mold, and losses and damages that occur when solidified silicon ingot is released from the mold. The method for producing a polycrystalline silicon ingot casting mold having a release layer, including: forming a slurry by mixing a silicon nitride powder with water, coating the surface of the mold with the slurry, and heating the mold at 400 to 800° C. in an atmosphere containing oxygen, after coating the slurry.

Abstract: A method of producing a silicon nitride powder includes heating an amorphous Si—N(—H)-based compound in which assuming that the specific surface area is RS (m2/g) and the oxygen content ratio is RO (mass %), RS/RO is 500 or more, at a temperature rising rate of 12 to 100° C./min in a temperature range from 1,000 to 1,400° C. while flowing the compound by a continuous firing furnace.

Abstract: A battery capable of improving the cycle characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer that contains an anode active material containing silicon on an anode current collector, and intensity ratio I1/I2 between peak intensity I1 originated in (220) crystalline plane of silicon obtained by X-ray diffraction and peak intensity I2 originated in (111) crystalline plane of silicon obtained by X-ray diffraction is 0.05 or more.