Abstract: A negative electrode active material for a negative electrode material of a non-aqueous electrolyte secondary battery, includes a silicon-based material expressed by SiOx where 0.5?x?1.6 and either or both of a crystalized fluorine compound and a compound containing —CF2—CF2— units in at least a part of a surface layer of the negative electrode active material, the silicon-based material containing at least one of Li6Si2O7, Li2Si3O5, and Li4SiO4. There can be provided a negative electrode active material that can increase the battery capacity and improve the cycle performance and initial charge and discharge performance when used for a lithium-ion secondary battery, as well as a lithium-ion secondary battery having a negative electrode using this negative electrode active material.

Abstract: A rocuronium bromide injection solution-prefilled syringe of the present invention includes a syringe comprising an outer cylinder made of synthetic resin, a gasket which is accommodated inside the outer cylinder and liquid-tightly slidable inside the outer cylinder, and a seal member for sealing a distal end opening of the outer cylinder; and a rocuronium bromide injection solution filled inside the syringe. The gasket is formed by vulcanized chlorinated butyl rubber added calcined clay, and said calcined clay is only added as an inorganic filler classified as an inorganic reinforcing agent and an inorganic filling agent.

Abstract: A negative electrode active material contains particles of negative electrode active material, wherein the particles of negative electrode active material contain a silicon compound represented by SiOx (0.5?x?1.6), and when the particles of negative electrode active material are measured by an atom probe method, and an Si 75% equivalent concentration surface obtained by the atom probe method is defined to be a boundary surface of a silicon grain, an average diameter of the silicon grains at a center portion of the particle in the particles of negative electrode active material is in the range of 0.25 nm to 5 nm. According to this constitution, when it is used as the negative electrode active material of a secondary battery, a negative electrode active material is capable of increasing battery capacity and improving cycle characteristics.

Abstract: The present invention is a negative electrode active material for a negative electrode active material layer of a lithium ion secondary battery, wherein: the negative electrode active material comprises silicon-based material consisting of SiOx (0.5?x?1.6); and the negative electrode active material has two or more peaks in a region of a bond energy ranging from 520 eV to 537 eV in an O 1s peak shape given in an X-ray photoelectron spectroscopy. As a result, it is possible to provide a negative electrode active material in which a battery capacity can be increased and cycle characteristics and initial charge/discharge characteristics can be improved when used as a negative electrode active material for a lithium ion secondary battery.

Abstract: The present invention is a negative electrode material for a non-aqueous electrolyte secondary battery, including negative electrode active material particles containing a silicon compound expressed by SiOx, where 0.5?x?1.6, the silicon compound containing in its interior a lithium compound and one or more ions selected from Group 1 metal ions, Group 2 metal ions, and substitutable ammonium ions. This negative electrode material for a non-aqueous electrolyte secondary battery can increase the battery capacity and improve the cycle performance and the battery initial efficiency.

Abstract: The invention provides a rotary tubular furnace including a rotatable furnace tube having an inlet end through which silicon compound particles (SiOx where 0.5?x<1.6) are put therein and an outlet end through which the particles coated with carbon are taken out therefrom; and a heating chamber having a heater to heat the furnace tube, wherein the furnace tube is composed of a heat portion inside the heating chamber and a non-heat portion outside the heating chamber, a length B of the heat portion and an overall length A of the furnace tube satisfy 0.4?B/A<1, and a distance C between the heat portion and the outlet end and the overall length A satisfy 0.04?C/A?0.35. This furnace can inhibit clogging of the furnace tube and mass-produce a negative electrode active material for a non-aqueous electrolyte secondary battery having a high capacity with inhibited variations in the amount of carbon coating and crystallinity.

Abstract: The present invention addresses the problem of providing: a negative electrode that is for a lithium ion secondary battery, that has high initial charge/discharge efficiency, and that has high energy density; a lithium ion secondary battery comprising the negative electrode for a lithium ion secondary battery; and a method for producing the negative electrode for a lithium ion battery that makes it possible to efficiently pre-dope an alkali earth metal or an alkali metal such as lithium. In order to solve this problem, this negative electrode for a lithium ion secondary battery comprises a negative electrode mixture layer containing at least: an alloy material (A) comprising tin or silicon capable of occluding lithium; carbon particles (B); an imide bond-containing polymer (C); and a polycyclic aromatic compound (D). The amount of the imide bond-containing polymer (C) within the negative electrode mixture layer is 3-13 mass %.

Abstract: A negative electrode active material for a non-aqueous electrolyte secondary battery, wherein: negative electrode active material particles that contain a silicon compound (SiOx: 0.5?x?1.6) having a carbon coating on a surface, wherein the carbon coating exhibits a G?-band peak at a Raman shift in a range of 2600 cm?1 to 2760 cm?1 and a G-band peak at a Raman shift in a range of 1500 cm?1 to 1660 cm?1 in a Raman spectrum obtained by Raman spectrometry, and the G?-band peak and the G-band peak satisfy 0<IG?/IG?0.6 where IG? and IG are intensities of the G?-band peak and the G-band peak, respectively. This provides a negative electrode active material having a high capacity retention rate and high initial efficiency.

Abstract: A negative electrode active material including: a particle of negative electrode active material containing silicon-based material of SiOx (0.5?x?1.6); wherein the intensity A of a peak in a Si-region given in the chemical shift region of from ?50 to ?95 ppm and the intensity B of a peak in a SiO2-region given in the chemical shift region of from ?96 to ?150 ppm in a 29Si-MAS-NMR spectrum of the silicon-based material satisfy a relationship that A/B?0.8. This provides a negative electrode active material which can increase a battery capacity, and can improve cycle characteristics and initial charge/discharge characteristics when used as a negative electrode active material for a lithium ion secondary battery.

Abstract: The present invention is a negative electrode active material for a negative electrode active material layer of a lithium ion secondary battery, wherein: the negative electrode active material comprises silicon-based material consisting of SiOx (0.5?x?1.6); and the negative electrode active material has two or more peaks in a region of a bond energy ranging from 520 eV to 537 eV in an O 1s peak shape given in an X-ray photoelectron spectroscopy. As a result, it is possible to provide a negative electrode active material in which a battery capacity can be increased and cycle characteristics and initial charge/discharge characteristics can be improved when used as a negative electrode active material for a lithium ion secondary battery.

Abstract: A negative electrode active material for a non-aqueous electrolyte secondary battery, including: negative electrode active material particles that contain a silicon compound containing a Li compound; wherein the silicon compound is at least partially coated with a carbon coating, the negative electrode active material particles are coated with a coating composed of at least one of a compound having a boron-fluorine bond and a compound having a phosphorous-fluorine bond on at least a part of the surface of either or both of the silicon compound and the carbon coating, the negative electrode active material particles contain a boron or a phosphorous element in a range of 10 to 10000 ppm by mass with respect to the total amount of negative electrode active material particles. This provides a negative electrode active material for a non-aqueous electrolyte secondary battery that can increase battery capacity and improve cycle performance.

Abstract: The present invention relates to a negative electrode material for nonaqueous electrolyte secondary batteries, which is composed of a silicon composite body that has a structure wherein microcrystals or fine particles of silicon are dispersed in a substance having a composition different from that of the microcrystals or fine particles, said silicon composite body having a crystallite size of the microcrystals or fine particles of 8.0 nm or less as calculated using Scherrer's equation on the basis of the half width of the diffraction peak belonging to Si(220) in an X-ray diffraction. The present invention is able to provide a negative electrode material for nonaqueous electrolyte secondary batteries, which has excellent coulombic efficiency, and a nonaqueous electrolyte secondary battery.

Abstract: A negative electrode active material including: a particle of negative electrode active material containing silicon-based material of SiOx (0.5?x?1.6); wherein the intensity A of a peak in a Si-region given in the chemical shift region of from ?50 to ?95 ppm and the intensity B of a peak in a SiO2-region given in the chemical shift region of from ?96 to ?150 ppm in a 29Si-MAS-NMR spectrum of the silicon-based material satisfy a relationship that A/B?0.8. This provides a negative electrode active material which can increase a battery capacity, and can improve cycle characteristics and initial charge/discharge characteristics when used as a negative electrode active material for a lithium ion secondary battery.

Abstract: The present invention is a negative electrode active material for a negative electrode active material layer of a lithium ion secondary battery, wherein: the negative electrode active material comprises silicon-based material consisting of SiOx (0.5?x?1.6); and the negative electrode active material has two or more peaks in a region of a bond energy ranging from 520 eV to 537 eV in an O 1s peak shape given in an X-ray photoelectron spectroscopy. As a result, it is possible to provide a negative electrode active material in which a battery capacity can be increased and cycle characteristics and initial charge/discharge characteristics can be improved when used as a negative electrode active material for a lithium ion secondary battery.

Abstract: The present invention relates to a negative electrode material for nonaqueous electrolyte secondary batteries, which is composed of a silicon composite body that has a structure wherein microcrystals or fine particles of silicon are dispersed in a substance having a composition different from that of the microcrystals or fine particles, said silicon composite body having a crystallite size of the microcrystals or fine particles of 8.0 nm or less as calculated using Scherrer's equation on the basis of the half width of the diffraction peak belonging to Si(220) in an X-ray diffraction. The present invention is able to provide a negative electrode material for nonaqueous electrolyte secondary batteries, which has excellent coulombic efficiency, and a nonaqueous electrolyte secondary battery.

Abstract: A lithium-cobalt-based composite oxide used for a positive electrode active material of an electrochemical device, wherein the lithium-cobalt-based composite oxide has elutable fluoride ions, the elutable fluoride ions being eluted to an eluate when the lithium-cobalt-based composite oxide is dispersed to ultrapure water, in a mass ratio of 500 ppm or more and 15000 ppm or less in comparison with the lithium-cobalt-based composite oxide, and the lithium-cobalt-based composite oxide has a composition shown by the following general formula (1): Li1-xCo1-zMzO2-aFa (?0.1?x<1, 0?z<1, 0?a<2) . . . (1) (wherein, M represents one or more kinds of metal element selected from the group of Mn, Ni, Fe, V, Cr, Al, Nb, Ti, Cu, and Zn).

Abstract: A carbon coating-treatment apparatus configured to introduce organic gas into the furnace tube through the gas introduction tube while stirring raw material particles introduced into the furnace tube with the stirring blade to coat the raw material particles with carbon coating, wherein the stirring blade is configured to have a proportion satisfying relation of V2/V1?0.1, where V1 is a time-averaged volume of a portion of the stirring blade positioned in the furnace tube, V2 is a time-averaged volume of a portion of the stirring blade positioned in a region of the furnace tube except for a cylindrical region being in a distance of R/10 or less from the central axis of the furnace tube, and R is the inner diameter of the furnace tube. A carbon coating-treatment apparatus that can sufficiently coat raw material particles with uniform carbon coating to produce particles having carbon coating in high productivity.

Abstract: The present invention provides a negative electrode active material for a non-aqueous electrolyte secondary battery, including negative electrode active material particles containing a silicon compound expressed by SiOx where 0.5?x?1.6, the negative electrode active material particles at least partially coated with a carbon coating, the carbon coating exhibiting a peak at 2?=25.5° having a half width of 1.5° to 4.5° in an X-ray diffraction spectrum measured after separating the carbon coating from the negative electrode active material particles, the carbon coating exhibiting scattering peaks at 1330 cm?1 and 1580 cm?1 in Raman spectrum obtained by Raman spectrometry measured after separating the carbon coating from the negative electrode active material particles, wherein a ratio of an intensity of the scattering peak at 1330 cm?1 to that at 1580 cm?1 satisfies 0.7<I1330/I1580<2.0.

Abstract: The present invention is a lithium-phosphorus-based composite oxide/carbon composite used for a positive electrode active material of an electrochemical device, including lithium-phosphorus-based composite oxide with the surface being coated with carbon, wherein the lithium-phosphorus-based composite oxide/carbon composite has elutable fluoride ions, which are eluted to an elute from the composite dispersed to ultrapure water, in a mass ratio of 500 ppm or more and 15000 ppm or less in comparison with the lithium-phosphorus-based composite oxide/carbon composite, and the lithium-phosphorus-based composite oxide has a composition of the following general formula (1): Li1-xFe1-zMzPO4-aFa(?0.1?x<1,0?z?1,0?a?4)??(1) (wherein, M represents one or more kinds of metal element selected from the group of Mn, Ni, Co, V, Cr, Al, Nb, Ti, Cu, and Zn).

Abstract: A silicon target for sputtering film formation which enables formation of a high-quality silicon-containing thin film by inhibiting dust generation during sputtering film formation is provided. An n-type silicon target material 10 and a metallic backing plate 20 are attached to each other via a bonding layer 40. A conductive layer 30 made of a material having a smaller work function than that of the silicon target material 10 is provided on a surface of the silicon target material 10 on the bonding layer 40 side. That is, the silicon target material 10 is attached to the metallic backing plate 20 via the conductive layer 30 and the bonding layer 40. In a case of single-crystal silicon, a work function of n-type silicon is generally 4.05 eV. A work function of a material of the conductive layer 30 needs to be smaller than 4.05 eV.