Abstract: There is provided an electrolyte membrane that is disposed between an electrolytic solution in an oxidation tank and a reduction electrode in a reduction tank to be in contact with both the electrolytic solution and the reduction electrode and is used in a carbon dioxide reduction device which performs a carbon dioxide reduction reaction by bringing carbon dioxide into direct contact with the reduction electrode, the electrolyte membrane including: a water-repellent film on a part of a surface which is in contact with the electrolytic solution.

Abstract: The present invention relates to a process for preparing a haloalkyl alkoxymethyl ether compound of the following general formula (1?), wherein X1 represents a halogen atom, R1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, and n represents an integer of 2 to 7, the process comprising the steps of converting a haloalkyl alkoxymethyl ether compound of the following general formula (1) into a nucleophilic reagent, (2n+2)-alkoxymethoxyalkyl compound, of the following general formula (2), wherein M1 represents Li, MgZ1, CuZ1, or CuLiZ1, Z1 represents a halogen atom or Z2, subsequently subjecting the nucleophilic reagent, (2n+2)-alkoxymethoxyalkyl compound (2), to a nucleophilic addition reaction with propylene oxide of the following formula (3), to obtain a hydroxyalkyl alkoxymethyl ether compound of the following general formula (4), and subjecting the hydroxyalkyl alkoxymethyl ether compound (4) to a halogenation reaction to obtain the aforesaid haloalkyl alkoxymethy

Abstract: Provided are a cobalt ion adsorption material which has a large adsorption capacity and which tends not to generate fine powder, and a method for producing the same. This cobalt ion adsorption material is a powder with a particle diameter of 100-1,000 ?m, and contains 0.3-8.0 parts by mass of a binder constituted of a water-insoluble metal oxide or metal hydroxide fine particles with respect to 100 parts by mass of a cobalt adsorption main agent constituted of potassium hydrogen dititanate hydrate.

Abstract: A protein template is added to a solution in which metal ions of iron and copper are dissolved to introduce the metal ions into the protein template; the protein template is separated from metal ions that have not been incorporated in the protein template; the metal ions that have been incorporated in the protein template are reduced to obtain a protein containing alloy nanoparticles of iron and copper; a sol or gel in which a co-continuous body is dispersed is frozen; the frozen sol or gel is dried in a vacuum to obtain a porous body; the porous body is allowed to support the alloy nanoparticle containing protein; and the protein is removed.

Abstract: A primary battery includes a positive electrode containing isatin, a negative electrode containing magnesium or aluminum, and an electrolyte disposed between the positive electrode and the negative electrode.

Abstract: An exhaust gas sampling device that collects an exhaust gas emitted from a vehicle including an engine or a part of the vehicle into a sampling bag includes a main channel through which the exhaust gas flows, a main valve that opens and shuts the main channel, a dilution gas channel that is connected downstream from the main valve in the main channel and introduces a dilution gas into the main channel, a purge gas channel that branches from the dilution gas channel and has a downstream end connected downstream from the main valve in the main channel and upstream from a junction of the dilution gas channel and a purge pump that is disposed in the purge gas channel, sucks a part of the dilution gas flowing through the dilution gas channel, and delivers the sucked part as a purge gas to the main channel.

Abstract: The present invention provides a process for preparing an 11-halo-3-undecene compound (7) in which X1 represents a halogen atom, the process comprising a step of subjecting a nucleophilic reagent, 3-hexenyl compound (5): in which M2 represents Li or MgZ2, wherein Z2 represents a halogen atom or a 3-hexenyl group, to a coupling reaction with a 1-halo-5-halopentane compound (6) in which X3 and X4 may be same with or different from each other and represent a halogen atom, to produce the 11-halo-3-undecene compound (7).

Abstract: A carbon dioxide reduction device includes: an oxidation electrode that receives light from the outside; an oxidation bath that holds an electrolytic solution in which the oxidation electrode is immersed; an electrolyte membrane that constitutes a part of one surface of the oxidation bath excluding a surface on which the light is incident; a reduction electrode that is connected to the electrolyte membrane; a reduction unit in which the reduction electrode is disposed and to which a gas containing carbon dioxide is supplied from the outside; and a blower that generates an airflow toward the reduction electrode inside the reduction unit. The reduction electrode has a plate shape, and one surface of the reduction electrode is in contact with the electrolyte membrane.

Abstract: A lithium secondary battery is provided with a higher capacity and a longer life. The lithium secondary battery includes: a cathode containing a material that is capable of inserting and desorbing lithium ions; a lithium ion conductive electrolyte; and an anode containing a material that is capable of occluding and releasing lithium metal or lithium ions, wherein the electrolyte contains indigo or indigo carmine, which is an organic compound.

Abstract: A radio wave absorbing material including a fluoropolymer. The fluoropolymer contains a vinylidene fluoride unit, and the radio wave absorbing material absorbs a radio wave having a frequency in a range of 1 MHz to 100 MHz.

Abstract: The present invention provides an air battery using oxygen in air as a cathode active material, the air battery comprising: a cylindrical anode made of a metal; a cathode constituted by a co-continuous body having a three dimensional network structure formed by an integrated plurality of nanostructures having branches; and a separator that is arranged between the cathode and the anode and absorbs an electrolytic solution, wherein: the cathode is arranged inside the anode via the separator; and the anode has an open hole that reaches the separator and constitutes a housing of the air battery.

Abstract: A lithium secondary battery is provided with a higher capacity and a longer life. The lithium secondary battery includes: a cathode containing a material that is capable of inserting and desorbing lithium ions; a lithium ion conductive electrolyte; and an anode containing a material that is capable of occluding and releasing lithium metal or lithium ions, wherein the electrolyte contains a metal 6,6?-bis(benzoylamino)-2,2?-bipyridine (babp) complex, which is a metal complex.

Abstract: Improvement in the efficiency of carbon dioxide reduction reaction is achieved. A gas supply unit having a plurality of pores is established in a lower portion of a reduction chamber, and carbon dioxide is supplied as bubbles into an aqueous solution. This can elevate a concentration of carbon dioxide dissolved in the aqueous solution without stirring the aqueous solution using a stirring bar, and render the concentration uniform in the aqueous solution. Therefore, the efficiency of reduction reaction of carbon dioxide in a reduction electrode can be improved.

Abstract: A tilt sensor includes a notification unit adapted to provide notification about occurrence of tilt; a water storage chamber that contains an electrolytic solution; and a unit cell that includes a positive electrode, a negative electrode, and a separator placed between the positive electrode and the negative electrode. When the water storage chamber tilts, the electrolytic solution is injected into the separator and the unit cell starts generating power and supplies electric power needed to drive the notification unit.

Abstract: A flood sensor includes a notification unit that notifies of detection of flooding, and a primary battery. The primary battery includes a positive electrode, a negative electrode, and a separator that is disposed between the positive electrode and the negative electrode and to which an electrolyte adheres. When the separator is flooded, the electrolyte is dissolved in water to form an electrolyte solution, and the primary battery starts generating power to supply power necessary for driving the notification unit.

Abstract: A primary battery includes: a positive electrode containing 2,5-dimethoxy-1,4-benzoquinone; a negative electrode containing magnesium or aluminum; and an aqueous electrolytic solution disposed between the positive electrode and the negative electrode.

Abstract: A positive electrode capable of intercalating and deintercalating lithium ions, a negative electrode capable of intercalating and deintercalating lithium ions, and a solid electrolyte having lithium ion conductivity are provided. In addition, the solid electrolyte includes an inorganic compound and a polymer.

Abstract: A porous electrode-supported electrolyte membrane according to the present embodiment includes an electrolyte membrane and a porous reduction electrode directly bonded onto the electrolyte membrane, in which the porous reduction electrode has an average pore diameter of 1 ?m or more. In a step of bonding the electrolyte membrane and the porous reduction electrode, pressure is applied while heat is applied so that the electrolyte membrane is prevented from swelling.

Abstract: A battery performance of a metal-air battery is improved while still maintaining a low environmental burden. A metal-air battery includes an air electrode formed from a co-continuous substance having a three-dimensional network structure in which a plurality of nanostructures are integrated by noncovalent bonds; an anode; and an electrolyte disposed between the air electrode and the anode, in which the electrolyte is a gel electrolyte obtained by gelling an aqueous solution containing an ion conductor with a gelling agent, and the gelling agent is constituted of at least one of a plant-derived polysaccharide, a seaweed-derived polysaccharide, a microbial polysaccharide, an animal-derived polysaccharide, and a group of acetic acid bacteria that produce the polysaccharides.

Abstract: A gas phase reduction device for carbon dioxide is a gas phase reduction device for carbon dioxide that exerts a catalytic function by light irradiation to generate oxidation-reduction reaction. The gas phase reduction device includes an oxidation tank in which an aqueous solution is put, a reduction tank to which carbon dioxide is supplied, a semiconductor photoelectrode installed in the aqueous solution, and a porous electrode-supported electrolyte membrane that is a joint body of an electrolyte membrane and a porous reduction electrode, the porous electrode-supported electrolyte membrane being installed between the oxidation tank and the reduction tank with the electrolyte membrane facing the oxidation tank and the porous reduction electrode facing the reduction tank.