A current collector which is suitable for discharging and charging at a large current density is provided. The present invention provides a current collector including a conductive substrate and a conductive resin layer provided on one side or both sides of the conductive substrate. The conductive…
A secondary battery capable of decreasing progression temperature of a precipitation-dissolution reaction of aluminum is provided. A cathode 11 and an anode 12 are separated from each other by a separator 13. An electrolyte with which the separator 13 is impregnated contains an alkyl sulfone…
The present invention includes an electrolyte in which an organic acid lithium salt (A) and a boron compound (B) are mixed.
Disclosed is a method for producing a solid electrolyte film, which comprises: a formation step (A) in which a film that contains an electrolyte polymer is formed on a base; a separation step (B) in which the film formed on the base is separated from the base; a water washing step (C) in which the…
The invention relates to improved hydrocarbon polymer-based alkaline single ion conductors with very high conductivity in aprotic media and methods for preparing the same. The methods for preparing said alkaline single ion conductors comprise at least the following steps: a) providing a hydrocarbon…
Provided is a polyimide-based proton-conductive polymer electrolyte membrane having high methanol permeation resistance property (methanol blocking property). The proton-conductive polymer electrolyte membrane includes, as a main component, a polyimide resin formed by polycondensation of a…
The invention describes a fuel cell comprising two or more substrate components; an ion exchange membrane having at least two edges, and at least two of the edges in contact with at least a portion of one of the substrate components; two electrochemical reaction layers located on opposite sides of…
A secondary battery capable of safely improving a battery performance is provided. An electrolyte with which a separator 13 is impregnated contains an alkyl sulfone and a low-polar solvent (a solvent having a relative permittivity of 20 or less) together with an aluminum salt. The alkyl sulfone…
The present invention relates to inexpensive ionic liquid electrolytes containing sulphide/polysulfide anion and an organic cation serving as a redox electrolyte in electrochemical and/or optoelectronic devices, in particular dye or inorganic semiconductor (thin layer or quantum dot) sensitized…
Disclosed are: a polyethersulfone polymer electrolyte which has excellent durability (particularly swelling resistance) while keeping its high ion conductivity, and which can be produced at a low cost; an electrolyte membrane; and a method for producing the polyethersulfone polymer electrolyte. The…
A solid electrolyte of the present invention is represented by a general formula: LiPMON, where M is at least one element selected from the group consisting of Si, B, Ge, Al, C, Ga and S, and a, b, c, d and e respectively satisfy a = 0.62 to 4.98, b = 0.01 to 0.99, c = 0.01 to 0.99, d = 1.070 to…
An object of the present invention is to provide a stable protonically-conductive membrane for fuel cell having a high reliability. Another object of the present invention is to provide a high efficiency fuel cell having a high mechanical strength which operates over an extended period of time. The…
A polymer electrolyte composite film which comprises a porous base material and, provided in fine pores thereof, a polymer electrolyte comprising a hydrophilic moiety and a hydrophobic moiety, the hydrophilic and hydrophobic moieties of said polymer electrolyte satisfy the following formula (1): a…
Disclosed is an acid-base mixture composed of a base component and an acid component, wherein at least one of the base component and the acid component contains at least two compounds, and the base component contains at least one compound of formula (1): wherein R 1 , R 2 , and R 3 each represent a…
The present invention provides a polymer electrolyte where high proton conductivity and low fuel crossover are achieved at the same time, as well as a member using the same, and an object thereof is to achieve high output and high energy density in the form of a polymer electrolyte fuel cell…
A precursor composition capable to form a solid-state electrolyte having good ion conductivity and high heat-resistance, by simple curing procedure, comprising; (A) a polymerizable ion pair compound represented by formula I, (B) a cross-linker having two or more unsaturated groups co-polymerizable…
An acidic group-containing polymer which has an acidic group such as sulfonic acid group, phosphoric acid group, and phosphonic acid group, and a proton acceptor which has a boiling point at 1 atmosphere higher than 100° C and which functions as a medium for conducting proton dissociated from the…
The present invention aims to provide a solid proton exchange membrane and a membrane-electrode assembly (MEA) for use in fabricating an inexpensive and efficient proton exchange fuel cell (PEFC) which enables direct use of an organic fuel without a reformer and use of hydrogen gas. In particular…
Provided is a dye-sensitized solar cell having improved stability of safety and performance by employing a non-volatile molten salt which makes it possible to facilitate the control over the composition of gel electrolyte, simplify the working step during production and give an excellent conversion…
The electrolyte membrane of the present invention is an electrolyte membrane (1) having ionic conductivity that includes a base material (2) and organic molecules having ion exchange groups, wherein the organic molecules are chemically bonded to the surface of the base material (2) to form an…
The present invention relates to a solid electrolyte having superior conductive properties and reliability, a photovoltaic device using this electrolyte, and manufacturing methods thereof. The solid electrolyte of the present invention is a solid electrolyte having an electrolyte composition and a…
Provided are a proton conductor and a single ion conductor both having higher conductivity and a wider operating temperature range, and a method of producing the same. A polymer including a structure portion represented by Chemical Formula 49, and an organic compound represented by Chemical Formula…
A polymer electrolyte solution useful in the fabrication of solid polymer electrolyte fuel cell electrodes, characterized by comprising a solvent containing a hydrophilic and high-boiling polar solvent, preferably a mixed solvent mainly comprising the polar solvent and water, having dissolved…
A solid electrolyte, a method of manufacturing the same, and a lithium battery and a thin-film battery that employ the solid electrolyte are provided. The solid electrolyte contains nitrogen to enhance the ionic conductivity and electrochemical stability of batteries.
A membrane-electrode assembly that has high heat resistance and chemical resistance and moreover can function stably even at high temperature, the membrane-electrode assembly being made by joining gas diffusion electrodes to both faces of a proton-conductive membrane, and being characterized in…
A polyelectrolyte for a solid polymeric fuel cell comprising an aromatic polyether sulfone block copolymer comprising a hydrophilic segment containing sulfonic acid groups and a hydrophobic segment having no sulfonic acid group at a hydrophilic segment weight fraction W2 to hydrophobic segment…
The present invention is relative to a proton conductor film used for a fuel cell and includes a proton conductor and polyvinyl alcohol as a binder for the proton conductor. This proton conductor film develops a high output by an electrode reaction and has superior hydrogen gas intercepting…
Polymer solid electrolytes with good film strength, high ionic conductivity and excellent processability are provided, comprising a resin composition for polymer solid electrolytes containing 0.5-5.0 % by weight of a curable resin having a specific structure (A), a plasficizer and (B) an…
A lithium secondary battery which comprises a negative electrode, a positive electrode, and disposed therebetween a polymer electrolyte comprising an ionically conductive polymer. The polymer electrolyte has a two-layer structure composed of a positive-electrode-side layer and a…
An electrode for solid polymer electrolyte fuel cell comprising a catalyst layer comprising at least electrocatalyst particles (3), a supporting substance therefor (4) and proton-conductive polymers (1) and (2), wherein the proton-conductive polymer (1) is present in a primary presence state in…