Abstract: Provided are graphite particles which can use carbon dioxide as a raw material and can be used as an electrode material. As to graphite particles, an interplanar spacing d 002 based on a diffraction peak corresponding to a lattice plane (002) being measured by a powder X-ray diffraction method is 0.3355 nm or more and 0.3370 nm or less, a primary particle diameter is 50 nm or more and 500 nm or less, a value of 50% of an integrated value in number base particle diameter distribution (a mean particle diameter) is a secondary particle diameter (d50), the secondary particle diameter (d50) is 0.15 ?m or more and 1.6 ?m or less, and a specific surface area (BET) being calculated from a nitrogen-adsorption amount at 77 K is 10 m2/g or more and 400 m2/g or less.

Abstract: Provided is a nonaqueous binder for electrodes or separators, which is used in a lithium ion battery that has excellent cycle life characteristics at high temperatures. A nonaqueous binder for electrodes or separators of lithium ion batteries, which is obtained by complexing cellulose nanofibers and a thermoplastic fluororesin, and which is characterized in that the cellulose nanofibers have a fiber size (diameter) of from 0.002 ?m to 1 ?m (inclusive), a fiber length of from 0.5 ?m to 10 mm (inclusive), and an aspect ratio ((fiber length of cellulose nanofibers)/(fiber diameter of cellulose nanofibers)) of from 2 to 100,000 (inclusive).

Abstract: An image forming apparatus includes a moving unit to move a developing roller, a driving portion to be capable of rotating the developing roller in either case where the developing roller is located in a contact position in contact with a photosensitive drum or a separated position separated from the photosensitive drum, an acquiring portion to acquire information on a rotation amount of the developing roller and a notifying portion. The acquiring portion corrects a first information, on the rotation amount of the developing roller in the contact position, to a third information by using a first correction coefficient, and corrects a second information, on the rotation amount of the developing roller in the separated position, to a fourth information by using a second correction coefficient. The notifying portion performs the notification on a lifetime of the developing roller based on the third and the fourth information.

Abstract: An image forming apparatus includes an image bearing member, a charging member, an exposure unit, a developing unit including a developer carrying member and a regulating member, a transfer member, a counting portion, a driving portion, and a controller. The controller carries out control so as to perform an image forming operation capable of forming a developer image, on the image bearing member, to be transferred onto a recording material and a non-image forming operation in which the developer image to be transferred onto the recording material is not formed on the image bearing member. Depending on each of count values in a plurality of regions acquired by the counting portion in a predetermined period, the controller controls the driving portion so as to change a rotation amount of the developer carrying member in a developing rotation operation for rotating the developer carrying member during the non-image forming operation.

Abstract: An object of the present invention is to provide a negative electrode active material that can impart both high capacity and improved cycle characteristics to secondary batteries to a high degree and a secondary battery using the same. A negative electrode active material for a secondary battery, comprising a composite particle of a carbon black particle as an active material and a deterioration reducing material particle that reduces deterioration of active material properties of the carbon black particle by charging and discharging, wherein the deterioration reducing material particle is a particle that has a larger particle size than the carbon black particle and that does not act as an active material, and wherein the composite particle is a mixture particle of the carbon black particle and the deterioration reducing material particle.

Abstract: Provided is a sodium-ion secondary battery having a high capacity and excellent safety. A sodium-ion secondary battery includes: a positive electrode containing a positive-electrode active material made of a crystallized glass containing crystals represented by a general formula NaxMyP2Oz (where 1?x?2.8, 0.95?y?1.6, 6.5?z?8, and M is at least one selected from among Fe, Ni, Co, Mn, and Cr); a negative electrode containing a negative-electrode active material made of hard carbon; and a non-aqueous electrolyte.

Abstract: An image forming apparatus includes a first image forming portion including a first photosensitive member, a first charging member, and a first developing member including a first accommodating portion; a second image forming portion including a second photosensitive member, a second charging member, and a second developing member including a second accommodating portion; an exposure portion; an applying portion; a storing portion; and a controller. When, in the storing portion, information on toner accommodated in the first accommodating portion is changed from first information to second to information and information on toner accommodated in the second accommodating portion is not changed, the controller carries out control so that a transfer voltage is changed from a first transfer voltage to a second transfer voltage and so that a potential of an image portion formed on the second photosensitive member is changed from a first potential to a second potential.

Abstract: A hair coloring method may include a step of applying a mixture of the following (A) and (B) in a predetermined ratio: (A) a hair coloring agent comprising at least a basic dye, a HC dye, a second amino acid, a first cationic surfactant, a thickener, an oil agent, a first pH adjusting agent, a wetting agent and at least one selected from the group consisting of thioglycolic acid, cysteine, 3-mercapto-1,2-propanediol, cysteamine, and derivatives and salts thereof, wherein the pH of the hair coloring agent is pH 3.5 or higher, and (B) a hair cosmetics comprising at least an alkaline agent, a first amino acid, higher alcohols having 12 to 22 carbon atoms, a surfactant, and a thickener. The hair coloring method may further include a step of providing a predetermined time after the application.

Abstract: An image forming operation forms an image on a transfer target in a state in which a developing member is located at a first position where a developer is supplied to an image bearing member and a first charging voltage is applied to a charging unit. The image forming operation is followed by: a first rotating operation of rotating the image bearing member in a state in which the developing member is located at the first position and a second charging voltage smaller in absolute value than the first charging voltage is applied; and a second rotating operation of rotating the image bearing member in a state in which the developing member is located at a second position where the developer is not supplied to the image bearing member and a third charging voltage smaller in absolute value than the second charging voltage is applied.

Abstract: An image forming apparatus includes a moving unit to move a developing roller, a driving portion to be capable of rotating the developing roller in either case where the developing roller is located in a contact position in contact with a photosensitive drum or a separated position separated from the photosensitive drum, an acquiring portion to acquire information on a rotation amount of the developing roller and a notifying portion. The acquiring portion corrects a first information, on the rotation amount of the developing roller in the contact position, to a third information by using a first correction coefficient, and corrects a second information, on the rotation amount of the developing roller in the separated position, to a fourth information by using a second correction coefficient. The notifying portion performs the notification on a lifetime of the developing roller based on the third and the fourth information.

Abstract: An image forming apparatus includes an image bearing member, a charging member, an exposure unit, a developing unit including a developer carrying member and a regulating member, a transfer member, a counting portion, a driving portion, and a controller. The controller carries out control so as to perform an image forming operation capable of forming a developer image, on the image bearing member, to be transferred onto a recording material and a non-image forming operation in which the developer image to be transferred onto the recording material is not formed on the image bearing member. Depending on each of count values in a plurality of regions acquired by the counting portion in a predetermined period, the controller controls the driving portion so as to change a rotation amount of the developer carrying member in a developing rotation operation for rotating the developer carrying member during the non-image forming operation.

Abstract: A non-aqueous electrolyte power storage device in which a coating material having a silanol group is present at least on a surface of an electrode active material layer and a sulfur-based material is contained in a cell, the electrode active material layer contains an electrode active material and a resin-based binder, the electrode active material is an active material capable of being alloyed with a metal element identical to an ion species responsible for electrical conduction or an active material capable of absorbing ions responsible for electrical conduction, and the coating material having a silanol group is a silicate containing a siloxane bond as a component or a silica fine particle aggregate (containing a siloxane bond as a component).

Abstract: An image forming operation forms an image on a transfer target in a state in which a developing member is located at a first position where a developer is supplied to an image bearing member and a first charging voltage is applied to a charging unit. The image forming operation is followed by: a first rotating operation of rotating the image bearing member in a state in which the developing member is located at the first position and a second charging voltage smaller in absolute value than the first charging voltage is applied; and a second rotating operation of rotating the image bearing member in a state in which the developing member is located at a second position where the developer is not supplied to the image bearing member and a third charging voltage smaller in absolute value than the second charging voltage is applied.

Abstract: To provide a negative electrode for nonaqueous electrolyte secondary batteries, by which the structural deterioration of the electrode is suppressed and cycle characteristics can be improved by absorbing the expansion and contraction of a silicon-based active material placed in the inside of a current collector made of porous metal, and a nonaqueous electrolyte secondary battery including the same. A negative electrode for nonaqueous electrolyte secondary batteries, having a current collector made of porous metal, and a negative electrode material placed in pores of the porous metal, the negative electrode material including a negative electrode active material including a silicon-based material; a skeleton forming agent including a silicate having a siloxane bond; a conductive additive; a binder; and a fibrous material.

Abstract: Provided is a production method for an all-solid-state battery having a solid electrolyte layer between a positive electrode layer and a negative electrode layer, the production method including: coating or impregnating the positive electrode layer and/or the negative electrode layer with a solid electrolyte solution in which a boron hydride compound serving as the solid electrolyte has been dissolved in a solvent; and removing the solvent from the coated or impregnated solid electrolyte solution and causing the solid electrolyte to precipitate on the positive electrode layer and/or the negative electrode layer.

Abstract: To provide an electrode for non-aqueous electrolyte batteries, which traps hydrogen sulfide gas, generated from the inside thereof for some reason, in the electrode, and suppresses the outflow of hydrogen sulfide gas to the outside of the battery. An electrode for lithium ion batteries includes a coating material which contains a silanol group and is present on at least a surface of an active material layer. The active material layer contains a sulfur-based material and a resin-based binder. The sulfur-based material is an active material capable of alloying with lithium metal or an active material capable of occluding lithium ions. The coating material containing the silanol group is a silicate having a siloxane bond or a silica fine particle aggregate having a siloxane bond as a component.

Abstract: Provided are a negative electrode binder composition which has excellent slurry stability without using a thickener, such as cellulose, in a negative electrode active material for an LIB secondary battery, and which is suppressed in the resistance to swelling by a solvent, and a negative electrode using the same and a secondary battery. A negative electrode binder composition comprising a copolymer having a hydroxyl group-containing monomer and an acid group-containing monomer as essential components, in which the copolymer has a weight average molecular weight of 700,000 or more, as measured using an aqueous GPC measurement apparatus, and in which a dried polymer film of the negative electrode binder composition has a swelling ratio of 0 to 10% by weight, as measured after immersed in a carbonate mixed solvent at 45° C. for 72 hours.

Abstract: An image forming apparatus includes a first image forming portion including a first photosensitive member, a first charging member, and a first developing member including a first accommodating portion: a second image forming portion including a second photosensitive member, a second charging member, and a second developing member including a second accommodating portion: an exposure portion; an applying portion: a storing portion; and a controller. When in the storing portion, information on toner accommodated in the first accommodating portion is changed from first information to second to information and information on toner accommodated in the second accommodating portion is not changed, the controller carries out control so that a transfer voltage is changed from a first transfer voltage to a second transfer voltage and so that a potential of an image portion formed on the second photosensitive member is changed from a first potential to a second potential.

Abstract: Provided are a negative electrode that is for use in a non-aqueous electrolyte secondary battery, includes a porous metal body as a current collector, contains a skeleton-forming agent highly infiltrated in the current collector so that it is less likely to suffer from structural degradation and provides improved cycle durability; and a non-aqueous electrolyte secondary battery including such a negative electrode. The negative electrode for use in a non-aqueous electrolyte secondary battery includes a current collector including a porous metal body; a first negative electrode material disposed in pores of the porous metal body and including a conductive aid, a binder, and a negative electrode active material including a silicon-based material; and a second negative electrode material disposed in pores of the porous metal body and including a skeleton-forming agent including a silicate having a siloxane bond.

Abstract: An object is to provide a non-aqueous electrolyte secondary battery negative electrode that can suppress a deterioration in durability and improve energy density, and a non-aqueous electrolyte secondary battery including the same. A non-aqueous electrolyte secondary battery negative electrode, comprising: a collector formed of a porous metal body, and a negative electrode material disposed in pores of the porous metal body, wherein the negative electrode material comprises a negative electrode active material formed of a silicon-based material, a skeleton-forming agent comprising a silicate having a siloxane bond, a conductivity aid, and a binder.