Abstract: Provided is a negative electrode for nonaqueous electrolyte secondary batteries including: a negative electrode active substance layer that includes a negative electrode active substance; and a binder, in which the negative electrode active substance includes a silicon-based active substance that contains SiOx (where x is a number satisfying 0.5?x?1.6), and a carbon-based active substance, the binder contains a poly(meth)acrylic acid, a metal salt of poly(meth)acrylic acid, an alkyl ester of poly(meth)acrylic acid, or a mixture of multiple compounds selected from these compounds, a content of the silicon-based active substance relative to a total solid content of the negative electrode active substance layer is more than 10% by mass to less than 80% by mass, and a content of the binder relative to a total solid content of the negative electrode active substance layer is 2% by mass or more to less than 10% by mass.

Abstract: A purpose of the present invention is to provide a lithium ion secondary battery having improved battery characteristics. The lithium ion secondary battery according to the present invention comprises a negative electrode comprising a negative electrode active material comprising a silicon material and an electrolyte solution comprising an electrolyte solvent comprising an open chain sulfone compound, a fluorinated cyclic carbonate and an open chain carbonate and a supporting salt comprising LiN(FSO2)2.

Abstract: There is provided a novel substrate support pin installation jig used when installing a substrate support pin for supporting a circuit substrate. The substrate support pin installation jig (hereinafter, may be simply referred to as a jig) according to the present disclosure includes a main body configured to move relative to a support base, multiple pin accommodating portions provided in the main body, and a positioned portion used for positioning on the support base. The substrate support pin is accommodated and held in at least one of multiple pin accommodating portions in the jig. The jig is placed on the support base in a state where a relative position is specified by the positioned portion. By releasing holding of the substrate support pin, the substrate support pin is installed on the support base, and then the jig is removed.

Abstract: A lithium ion secondary battery having high energy density and being excellent in cycle characteristics is provided. The present invention relates to a lithium ion secondary battery comprising: a negative electrode active material comprising a material comprising silicon as a constituent element; and an electrolyte solution comprising: a non-aqueous solvent comprising a fluorinated ether compound, an open-chain sulfone compound, and a cyclic carbonate compound, and a supporting salt comprising LiPF6, lithium bis(fluorosulfonyl)imide, and lithium bis(oxalato)borate (LiBOB); wherein the content of LiBOB in the electrolyte solution is 0.2 mass % or more.

Abstract: An assistance apparatus (1) includes: a base (2); a support arm section (3) that can support a part of the body of the care receiver and that is provided to the base and can perform motion with respect to the standing direction for causing the care receiver to stand or the seating direction for causing the care receiver to be seated; an actuator (5) that is connected to the base and the support arm section; and a buffer mechanism (7) that is disposed at one of members from the base to the support arm section coupled via the actuator or is disposed between members connected to each other and that absorbs at least a part of a drive force of the actuator when an external force in the standing direction is applied by drive of the actuator to the support arm section performing motion toward the seating direction.

Abstract: An assistance device that enables a caregiver or care receiver to understand a degree to which a load is applied in the front-rear direction of a body supporting member. The assistance device includes: the body supporting member configured to support the upper body of the care receiver; a load detecting device provided on the body supporting member and configured to detect a load applied by the care receiver; and a display device configured to display an extent to which a load is applied to the body supporting member in a front-rear direction of the body supporting member based on the load detected by the load detecting device.

Abstract: An assistance device that enables appropriate evaluation of to what extent a care receiver is using their own leg power. The assistance device is provided with: a body supporting member configured to support the upper body of the care receiver; a first load detecting device provided on the body supporting member, and configured to detect a first load applied by the care receiver; a second load detecting apparatus provided on the body supporting member at a position rearwards of the first load detecting device, and configured to detect a second load applied by the care receiver; and an effort level calculating device configured to calculate effort levels representing to what extent the care receiver is using their own leg power during the standing assistance based on a relationship between the first load and the second load.

Abstract: A purpose of one embodiment of the present invention is to provide a lithium ion secondary battery that has improved life-span characteristics. The first lithium ion secondary battery of the present invention comprises an electrolyte solution comprising a sulfone compound, a fluorinated ether compound and LiN(FSO2)2, and a negative electrode comprising a silicon material, wherein a content of LiN(FSO2)2 in the electrolyte solution is more than 5 weight % and 20 weight % or less.

Abstract: The purpose of the present invention is to provide a lithium secondary battery which has improved service life characteristics by suppressing a decomposition reaction of the electrolyte solution in the field of batteries that operate at high voltages or are assumed to be used at high temperatures for a long period of time. The present invention relates to an electrolyte solution for a secondary, which is characterized by containing a sulfone compound, a fluorine-containing cyclic acetal compound and a cyclic carbonate in a specific composition; and a secondary battery which uses this electrolyte solution for a secondary battery.

Abstract: The object is to provide a lithium ion secondary battery which has an excellent cycle property even in high-temperature environment and which has small volume increase. An exemplary embodiment of the invention is a lithium ion secondary battery, comprising: a positive electrode, a negative electrode comprising a negative electrode active material, and an electrolyte liquid; wherein the electrolyte liquid comprises a chain-type fluorinated ester compound represented by a predetermined formula and a chain-type fluorinated ether compound represented by a predetermined formula; wherein the negative electrode active material comprises metal (a) that can be alloyed with lithium, metal oxide (b) that can absorb and desorb lithium ion, and carbon material (c) that can absorb and desorb lithium ion; and wherein metal (a) is silicon, and metal oxide (b) is silicon oxide.

Abstract: The present invention relates to a positive electrode comprising a Mn composite oxide having a tetragonal structure represented by formula (1): Lia(MxMn2-x-yYy)(O4-wZw)(wherein 1<a?2.6, 0?x?1.2, 0?y, x+y<2, 0?w?1; M is at least one selected from the group consisting of Co, Ni, Fe, Cr and Cu; Y is at least one selected from the group consisting of Li, B, Na, Mg, Al, Ti, Si, K and Ca; Z is at least one of F or Cl; and a composite oxide having a layered structure represented by formula (2): Li(LixM1-x-yYy)O2 (wherein 0?x<0.3, 0?y<0.3; M is at least one selected from the group consisting of Co, Fe, Ni and Mn; Y is at least one selected from the group consisting of Mg, Al, Zr, Ti and Zn. According to the present invention, a lithium secondary battery having a high capacity and being excellent in cycle life can be provided.

Abstract: A purpose of the present invention is to provide a lithium ion secondary battery having improved battery characteristics. The lithium ion secondary battery according to the present invention comprises a negative electrode comprising a negative electrode active material comprising a silicon material and an electrolyte solution comprising an electrolyte solvent comprising an open chain sulfone compound, a fluorinated cyclic carbonate and an open chain carbonate and a supporting salt comprising LiN(FSO2)2.

Abstract: A lithium ion secondary battery having high energy density and being excellent in cycle characteristics is provided. The present invention relates to a lithium ion secondary battery comprising: a negative electrode active material comprising a material comprising silicon as a constituent element; and an electrolyte solution comprising: a non-aqueous solvent comprising a fluorinated ether compound, an open-chain sulfone compound, and a cyclic carbonate compound, and a supporting salt comprising LiPF6, lithium bis(fluorosulfonyl)imide, and lithium bis(oxalato)borate (LiBOB); wherein the content of LiBOB in the electrolyte solution is 0.2 mass % or more.

Abstract: The present invention provides a lithium ion secondary battery having excellent high temperature cycle characteristics. The present invention relates to an electrolyte solution containing a non-aqueous electrolyte solvent containing two or more open chain sulfone compounds represented by a specific formula and one or more carbonate ester compounds represented by a specific formula; and to a secondary battery comprising these.

Abstract: A purpose of one embodiment of the present invention is to provide a lithium ion secondary battery that has improved life-span characteristics. The first lithium ion secondary battery of the present invention comprises an electrolyte solution comprising a sulfone compound, a fluorinated ether compound and LiN(FSO2)2, and a negative electrode comprising a silicon material, wherein a content of LiN(FSO2)2 in the electrolyte solution is more than 5 weight % and 20 weight % or less.

Abstract: An assistance device that enables a caregiver or care receiver to understand a degree to which a load is applied in the front-rear direction of a body supporting member. The assistance device includes: the body supporting member configured to support the upper body of the care receiver; a load detecting device provided on the body supporting member and configured to detect a load applied by the care receiver; and a display device configured to display an extent to which a load is applied to the body supporting member in a front-rear direction of the body supporting member based on the load detected by the load detecting device.

Abstract: The present invention relates to a nonaqueous electrolyte solution comprising a nonaqueous electrolyte solvent which comprises a fluorine-containing phosphate ester represented by a specific formula, a fluorine-containing ether represented by a specific formula, and an open-chain or cyclic acid anhydride. According to the present invention, there is provided an electrolyte solution capable of realizing a lithium secondary battery having an excellent cycle characteristics with little gas generation after charge-discharge cycles.

Abstract: The present invention relates to a positive electrode for lithium ion secondary batteries, the positive electrode comprising a positive electrode active material and a positive electrode binder, in which the positive electrode active material comprises lithium manganate having a spinel structure, and the positive electrode binder comprises at least polyvinylidene fluoride (PVDF) and a resin having sulfone linkages, and to a lithium ion secondary battery comprising the positive electrode for lithium ion secondary batteries.

Abstract: An assistance device that enables appropriate evaluation of to what extent a care receiver is using their own leg power. The assistance device is provided with: a body supporting member configured to support the upper body of the care receiver; a first load detecting device provided on the body supporting member, and configured to detect a first load applied by the care receiver; a second load detecting apparatus provided on the body supporting member at a position rearwards of the first load detecting device, and configured to detect a second load applied by the care receiver; and an effort level calculating device configured to calculate effort levels representing to what extent the care receiver is using their own leg power during the standing assistance based on a relationship between the first load and the second load.

Abstract: The present invention relates to a secondary battery electrolyte, which contains a first fluorine-containing ether compound, a second fluorine-containing ether compound, and at least one selected from fluorine-containing phosphate ester compounds and sulfone compounds, wherein the fluorine substitution rate of the first fluorine-containing ether compound is lower than that of the second fluorine-containing ether compound, and the content of the first fluorine-containing ether compound is higher than that of the second fluorine-containing ether compound. According to the present invention, with respect to batteries operating at a high voltage, and batteries supposed to be used at a high temperature for a long period, there can be provided a lithium secondary battery suppressed in the decomposition reaction of the electrolyte and improved in the life characteristics.