摘要:
A non-aqueous secondary battery comprises (i) an electroconductive or semiconductive polymeric material serving as an active material for a positive electrode, (ii) a negative electrode active material and (iii) an electrolytic solution comprising an electrolyte and a mixed solution of .gamma.-butyrolactone and a glyme. This secondary battery can be fabricated in the form of a flexible sheet.
摘要:
A negative electrode for a secondary battery comprises a substrate consisting of aluminum or an aluminum composition comprising aluminum as the main component, the aluminum being in the form of crystals with (100) planes oriented perpendicularly to the surface of the substrate, and a lithium-aluminum alloy layer formed thereon, and a method of producing the negative electrode is disclosed.
摘要:
A negative electrode for a secondary battery comprises a substrate consisting of aluminum or an aluminum composition comprising aluminum as the main component, the aluminum being in the form of crystals with (100) planes oriented perpendicularly to the surface of the substrate, and a lithium-alumin alloy layer formed thereon, and a method of producing the negative electrode is disclosed.
摘要:
A positive electrode is composed of a film-shaped active material, which is composed of a conducting polymer serving as a first active material, and an electrochemical active material serving as a second active material which is uniformly dispersed in the shape of particles in the conducting polymer, with the parts-by-weight ratio of the second active material to the first active material being 3 to 9 parts of the second active material to 7 to 1 part of the first active material, when the total of the first active material and the second active material is 10 parts. A secondary battery is fabricated using the above positive electrode.
摘要:
A negative electrode for a secondary battery which has a positive electrode including a polymer active material. The negative electrode includes: a current collector beforehand roughened at one surface thereof; a first layer disposed on the roughened one surface and including a material selected from the group consisting of alkali metal and an alloy containing alkali metal; and a second layer disposed on the first layer and including an ion conductive material. A surface of the first layer has an uneven configuration which conforms with another uneven configuration of the roughened one surface of the current collector, the surface of the first layer being in contact with the second layer. A method for manufacturing the negative electrode is also disclosed.
摘要:
A bonded body of aluminum and electroconductive polymer, said aluminum having a surface to which said polymer is bonded, and mainly having (HOO) face (H=1,2,4) as a crystal face at said surface.
摘要:
A solid electrolyte with excellent ionic conductivity, which is composed of a viscoelastic material having a structure of a polymerized material and a non-aqueous electrolytic solution contained in the polymerized material, a chemical element containing the solid electrolyte, and a method of fabricating the solid electrolyte are described. This solid electrolyte contains the non-aqueous electrolytic solution in an amount of 200 wt. % or more of the polymer and has a modulus of elasticity of 10.sup.2 to 10.sup.5 dyne/cm.sup.2, and an elongation of 20% or more.
摘要:
An electrochemical device is disclosed, which comprises at least a pair of electrodes; and a solid or solid-like composite electrolyte interposed therebetween, comprising substantially uniform spherical particles having no or substantially no electronic conductivity which are dispersed in the solid or solid-like composite electrolyte.
摘要:
The present invention provides a composite sheet electrode which has high strength, excellent current collecting properties and which is used efficiently as an active material for an electrode. The electrode has excellent discharge capacities and can be easily formed into an electrode terminal. A cell employing this electrode is also disclosed. The invention also provides a composite sheet electrode having a porosity of 20 to 80% containing 5 to 95% by weight of an active material of an electrode, 1 to 50% by weight of a current collecting material and heat fusible short fibers. The present invention also provides a composite sheet electrode having a porosity of 20 to 80%, which is made up of a composite sheet containing 5 to 95% by weight of an active material as an electrode and 5 to 95% by weight of heat fusible short fibers, as well as a current collecting material layer formed on said composite sheet. The present invention further provides a cell employing the latter-mentioned composite sheet electrode.
摘要:
Polymers having repeat units represented by formula (Ia) in the main chain thereof, ##STR1## wherein Ar represents an aromatic conjugated group, and n is 10 or more, and a method of producing polymers having repeat units of general formula (I), ##STR2## wherein Ar represents an aromatic conjugated group, and X.sup.1 and X.sup.2 each represent hydrogen or halogen when the bond between the two carbon atoms is a double bond, and when the bond is a triple bond, neither X.sup.1 nor X.sup.2 exist by the electrochemical reduction of a monomer having general formula,Z.sup.1 -Ar-Z.sup.2 (II),wherein Ar is the same as that defined in the above formula (I), and Z.sup.1 and Z.sup.2 each represent a methyl halide, are disclosed. These polymers are semiconductive or electroconductive and can be used as an active material of the electrodes of organic secondary batteries.