Abstract: Provided is a CNT dispersion liquid having excellent CNT dispersibility and storage stability. The carbon nanotube dispersion liquid contains carbon nanotubes, a water-soluble polymer including an acid functional group, and water. An HSP distance (Ra) between Hansen solubility parameters (HSPc) of the carbon nanotubes and Hansen solubility parameters (HSPd) of the water-soluble polymer is 7.0 MPa1/2 or less.

Abstract: Provided is a conductive material paste for a non-aqueous secondary battery with which it is possible to form an electrode that has suppressed dusting and that can cause a non-aqueous secondary battery to display excellent cycle characteristics. The conductive material paste contains carbon nanotubes, a dispersant, and water. The dispersant includes a water-soluble polymer including a conjugated diene monomer unit and a carboxy group-containing monomer unit.

Abstract: The present disclosure provides an outer net blade member capable of forming an outer net blade capable of shaving hair more efficiently, the outer net blade formed using the outer net blade member, and an electric razor including the outer net blade. The outer net blade member according to the present disclosure is capable of forming the outer net blade provided on the electric razor. The outer net blade member includes a cuttable region in which multiple blade holes each in a substantially hexagonal shape are formed in rows in a first direction and a second direction orthogonal to the first direction. The blade holes are formed in a state of forming a row in the second direction in which the blade holes adjacent to each other in the second direction are shifted from each other in position in the first direction.

Abstract: Provided is a conductive material paste for a non-aqueous electrolyte solution secondary battery that is capable of providing a non-aqueous electrolyte solution secondary battery having excellent electrolyte solution injectability, low-temperature characteristics, and cycle characteristics. The conductive material paste for a non-aqueous electrolyte solution secondary battery contains carbon nanotubes, acidic group-containing cellulose nanofibers, and water. A mass ratio of the acidic group-containing cellulose nanofibers relative to the carbon nanotubes (acidic group-containing cellulose nanofibers/carbon nanotubes) is not less than 0.3 and not more than 4.

Abstract: Provided is a conductive material paste for a non-aqueous electrolyte solution secondary battery that maintains paste dispersibility and that enables the provision of a slurry composition for a non-aqueous electrolyte solution secondary battery negative electrode in which slurry viscosity stability is maintained while also being capable of providing a non-aqueous electrolyte solution secondary battery having a suppressed rate of resistance increase in a high-temperature storage test. The conductive material paste for a non-aqueous electrolyte solution secondary battery contains carbon nanotubes (A), a dispersant (B), a dispersant (C), and water. The dispersant (B) is a copolymer including at least an unsaturated carboxylic acid monomer unit and a (meth)acrylamide group-containing monomer unit. The dispersant (C) is a thiazoline or derivative thereof.

Abstract: A binder composition for a non-aqueous secondary battery electrode contains water and a polymer that includes an aromatic vinyl monomer unit, a conjugated diene monomer unit, and a hydrophilic monomer unit. The polymer has a median diameter of not less than 50 nm and not more than 800 nm, and the proportional content of the hydrophilic monomer unit in the polymer is not less than 4.0 mass % and not more than 20 mass %. Moreover, the polymer has a loss tangent tan ? of not less than 0.001 and less than 0.40 and a loss modulus G? of 1,600 kPa or less.

Abstract: Provided is a binder composition for a non-aqueous secondary battery electrode that can form an electrode for a non-aqueous secondary battery having excellent moisture resistance. The binder composition for a non-aqueous secondary battery electrode contains phenolic compound particles and a particulate polymer formed of a graft polymer that includes an acidic graft chain and that is obtained through a graft polymerization reaction of an acidic group-containing monomer and/or macromonomer with core particles containing a block copolymer that includes an aromatic vinyl block region formed of an aromatic vinyl monomer unit and an aliphatic conjugated diene block region formed of an aliphatic conjugated diene monomer unit.

Abstract: Provided is a binder composition that can result in high peel strength in an electrode and excellent cycle characteristics in a secondary battery. A binder composition for a non-aqueous secondary battery contains a water-soluble polymer (A) and a water-soluble polymer (B). The water-soluble polymer (A) is formed of one or more types of units selected from the group consisting of unsaturated carboxylic acid monomer units, unsaturated carboxylic acid amide monomer units, unsaturated carboxylic acid ester monomer units, hydroxyl group-containing vinyl monomer units, and vinyl alcohol structural units, and includes a predetermined amount of unsaturated carboxylic acid monomer units. The water-soluble polymer (B) is formed of one or more types of ethylenically unsaturated monomer units, and includes a predetermined amount of sulfo group-containing aromatic vinyl monomer units.

Abstract: Provided is a binder composition for a secondary battery with which it is possible to produce a slurry composition for a secondary battery electrode that has excellent preservation stability and can produce an electrode having excellent peel strength. The binder composition for a secondary battery contains a water-soluble polymer and polyvalent metal ions. The water-soluble polymer includes a vinyl alcohol structural unit and a carboxy group-containing monomer unit. The content of the polyvalent metal ions is not less than 0.1 mass ppm and not more than 10,000 mass ppm relative to the water-soluble polymer.

Abstract: In a lip type shaft sealing device for sealing an annular gap between a shaft and a housing by a first lip on a machine inside L held by a metallic lip support body and a second lip on an atmosphere side A, the shaft and the housing being rotatable relative to each other. The first lip is a member made of a material that allows a refrigerant to permeate the member and at least one of the metallic lip support body and the first lip is provided with a passageway for allowing a refrigerant to pass toward a front end back surface side space F of the first lip.

Abstract: A solder ball according to the present invention contains 0.2 to 2.2% by mass of Zn, and a balance of Sn, and has a spherical diameter of 0.1 to 120 ?m and a yellowness (b*) in an L*a*b* color system of 2.70 or more and 9.52 or less. An oxide film is formed by performing aging treatment. By producing a solder ball having a yellowness of 2.70 or more and 9.52 or less, it is possible to suppress the growth of a Cu3Sn layer and/or a Cu—Zn(—Sn) layer during joining.

Abstract: A solder-ball-supplying method, a solder-ball-supplying device and a solder-bump-forming method, which are flux-less and capable of being also applied to electrodes having a fine pitch. A substrate on which a resist with openings is positioned on electrode(s), which has a diameter of 10 through 30 ?m, of the substrate is prepared. Next, plural solder balls SBL each having a grain diameter of 1 through 10 ?m are shaken down to the opening(s) of the resist from a hopper and filled therein. Next, by sliding and moving a squeegee on an upper surface of the resist along X-Y direction, the solder balls SBL shaken down to the resist other than the openings are scrapped and removed and the solder balls SBL in the openings and around them are pushed into the openings by the squeegee.

Abstract: An engine includes a dynamo-electric machine which generates electricity by the rotation of the engine; a secondary battery which stores electricity generated by the dynamo-electric machine; an electric supercharger including an electric compressor for supercharging intake air into combustion chambers; and a mechanical supercharger including an exhaust turbine configured to be driven by exhaust gas in the exhaust passage, and a mechanical compressor configured to supercharge intake air into the combustion chamber. An ECU (50) includes a remaining charge detector for detecting the remaining amount of charge of the secondary battery; and a supercharge control means for adjusting the ratio between a supercharging pressure by the electric supercharger and a supercharging pressure by the mechanical supercharger according to the remaining amount of charge of the secondary battery.

Abstract: The negative electrode includes a current collector, a negative electrode active material layer arranged on a surface of the current collector, and a protective layer arranged on a surface of the negative electrode active material layer. The negative electrode active material layer includes a first negative electrode active material having an aspect ratio defined as “a”/“b” to fall in a range of from two or more to eight or less when a length of the major axis is defined “a” and a length of the minor axis is defined “b.” The protective layer includes a ceramic powder.

Abstract: A solder ball according to the present invention contains 0.2 to 2.2% by mass of Zn, and a balance of Sn, and has a spherical diameter of 0.1 to 120 ?m and a yellowness (b*) in an L*a*b* color system of 2.70 or more and 9.52 or less. An oxide film is formed by performing aging treatment. By producing a solder ball having a yellowness of 2.70 or more and 9.52 or less, it is possible to suppress the growth of a Cu3Sn layer and/or a Cu—Zn(—Sn) layer during joining.

Abstract: A production process for carbon-coated silicon material includes the step of: heating CaSi2 and a halogen-containing polymer at a temperature being a carbonization temperature or more of the halogen-containing polymer in a state where the CaSi2 and the halogen-containing polymer coexist.

Abstract: Cycle characteristics of a nonaqueous secondary battery are to be improved. An active material including: a first active material that contains a nano silicon produced by heating a layered polysilane represented by a composition formula (SiH)n and having a structure in which multiple six-membered rings formed from silicon atoms are connected; and a second active material that contains a graphite, is used in a negative electrode. With this, expansion and contraction due to stress during charging and discharging can be mitigated, and thereby cycle characteristics improve.

Abstract: A nano silicon material having reduced amounts of oxygen (O) and chlorine (Cl) contained therein is provided. The nano silicon material contains fluorine (F) and nano-sized silicon crystallites. Generation of a layer in which oxygen (O) and chlorine (Cl) are present is suppressed due to the presence of fluorine (F), so that a decrease in the moving speed of lithium ions is suppressed. In addition, due to the presence of fluorine (F), the concentrations of oxygen (O) and chlorine (Cl) are reduced, so that reaction thereof with lithium ions is suppressed.

Abstract: Provided is a method for producing a CaSi2-containing composition, the method including: a molten metal step of adding Ca and/or M (M is at least one element selected from elements of groups 3 to 9) to a CaSi2-containing composition containing crystalline silicon to prepare a molten metal containing Ca, M and Si that satisfy the following condition: when a molar ratio of Ca, M and Si is x:y:z (x+y+z=100), x, y and z satisfy 23<x?100/3, 0<y<10 and 64<z?200/3, respectively; and a cooling step of cooling the molten metal to obtain a CaSi2-containing composition containing a reduced amount of crystalline silicon.

Abstract: A silicon material useful as a negative electrode active material is provided. The silicon material has an Si/O atom ratio within a range of greater than 1/0.5 and not greater than 1/0.1 and a band gap within a range of greater than 1.1 eV and not greater than 2.1 eV. A secondary battery in which this silicon material is used as a negative electrode active material has long life.