The present invention relates to a biodegradable resin composition and a biodegradable nonwoven fabric including the same, and more particularly, the biodegradable resin composition includes a biodegradable resin including a first repeating unit derived from a diol having 2 to 4 carbon atoms and a second repeating unit derived from an aliphatic dicarboxylic acid having 2 to 6 carbon atoms; and an inorganic nucleating agent, wherein the biodegradable resin composition has a crystallinity of 15% to 50% as measured using differential scanning calorimetry.

The present invention relates to a biodegradable resin composition and a biodegradable nonwoven fabric including the same, and more particularly, the biodegradable resin composition includes a biodegradable resin including a first repeating unit derived from a diol having 2 to 4 carbon atoms and a second repeating unit derived from an aliphatic dicarboxylic acid having 2 to 6 carbon atoms; and an inorganic nucleating agent, wherein the biodegradable resin composition has a crystallinity of 15% to 50% as measured using differential scanning calorimetry.

To provide a solid electrolyte layer configured to suppress an increase in resistance, a solid-state battery, and a method for producing the solid-state battery. A solid electrolyte layer for solid-state batteries, wherein the solid electrolyte layer comprises a nonwoven fabric and a solid electrolyte; wherein the solid electrolyte is disposed in an interior of the nonwoven fabric; wherein the solid electrolyte is solid electrolyte particles; and wherein a ratio of an average fiber diameter of the nonwoven fabric to an average particle diameter of the solid electrolyte particles, is 25 or more and 100 or less.

To provide a solid electrolyte layer configured to suppress an increase in resistance, a solid-state battery, and a method for producing the solid-state battery. A solid electrolyte layer for solid-state batteries, wherein the solid electrolyte layer comprises a nonwoven fabric and a solid electrolyte; wherein the solid electrolyte is disposed in an interior of the nonwoven fabric; wherein the solid electrolyte is solid electrolyte particles; and wherein a ratio of an average fiber diameter of the nonwoven fabric to an average particle diameter of the solid electrolyte particles, is 25 or more and 100 or less.

A highly conductive solid-state polymer-based electrode lithium-ion batteries and other battery components thereof. The electrode may be deployed in a battery which lacks solvent and allows lithium ions to pass through channels via the polymerized structure. The electrode is formed from a fibrous mat comprising a plurality of lithium-conductive fibers and inter-fiber spaces, wherein the fibrous mat is produced by electrospinning, electrospraying, and hybrid variations thereof of an aged slurry containing a lithium salt, a polymer binder, and a ceramic material. The battery further incorporates a solid-state polymer separator, wherein the lithium conductive polymers are formed through free radical polymerization and comprise a polymerized carbonate solvent between iterative spacers, a lithium conductive material, and a reinforcing additive, with an optional interface coating applied to one or more sides to ensure long-term operation. Various methods for manufacturing the electrodes and separator for solid-state lithium-ion batteries.

A highly conductive solid-state polymer-based electrode lithium-ion batteries and other battery components thereof. The electrode may be deployed in a battery which lacks solvent and allows lithium ions to pass through channels via the polymerized structure. The electrode is formed from a fibrous mat comprising a plurality of lithium-conductive fibers and inter-fiber spaces, wherein the fibrous mat is produced by electrospinning, electrospraying, and hybrid variations thereof of an aged slurry containing a lithium salt, a polymer binder, and a ceramic material. The battery further incorporates a solid-state polymer separator, wherein the lithium conductive polymers are formed through free radical polymerization and comprise a polymerized carbonate solvent between iterative spacers, a lithium conductive material, and a reinforcing additive, with an optional interface coating applied to one or more sides to ensure long-term operation. Various methods for manufacturing the electrodes and separator for solid-state lithium-ion batteries.

A separator for an electrochemical element is shown, in which at least 50% of the mass of the separator is formed by fibrillated regenerated cellulose fibers, wherein, including the fibrillated regenerated cellulose fibers, at least 70% and at most 100% of the mass of the separator is formed by cellulose fibers, and wherein the separator is calendered, and wherein under tensile load in the machine direction in accordance with ISO 1924-2:2008, the separator reaches its 0.1% yield point at an elongation of no less than 0.5% and no more than 2.0%. A method of manufacturing such a separator is also disclosed.

A separator for an electrochemical element is shown, in which at least 50% of the mass of the separator is formed by fibrillated regenerated cellulose fibers, wherein, including the fibrillated regenerated cellulose fibers, at least 70% and at most 100% of the mass of the separator is formed by cellulose fibers, and wherein the separator is calendered, and wherein under tensile load in the machine direction in accordance with ISO 1924-2:2008, the separator reaches its 0.1% yield point at an elongation of no less than 0.5% and no more than 2.0%. A method of manufacturing such a separator is also disclosed.

The present invention provides a nonwoven fabric that is biodegradable and has a good pleat retaining property, and an application thereof. The present invention relates to a nonwoven fabric comprising at least one fiber layer (I) which contains a polylactic acid polymer and which has an average fiber diameter of 10-30 m, wherein in polarized Raman spectroscopy of the fiber layer (I), the value I///I, which is the ratio of the peak intensity I// at 872 cm.sup.1 of a Raman spectrum measured with polarized light parallel to a fiber axis, to the peak intensity I at 872 cm.sup.1 of a Raman spectrum measured with polarized light perpendicular to the fiber axis, is not more than 1.80. The present invention also relates to a filter material comprising the nonwoven fabric, and a filter for foods, an air filter, and a mask which each comprise the filter material.

The invention relates to a method for manufacturing an absorption and distribution nonwoven fabric made of staple fibers and absorbent material made of regenerated cellulose for personal hygiene products. The nonwoven fabric is composed of thermoplastic, synthetic staple fibers as support fibers, wherein the support fibers are homo- or bi-component, thermoplastic regenerated cellulose for personal hygiene products. The nonwoven fabric is composed of thermoplastic, synthetic staple fibers as supporting fibers, wherein the supporting fibers are homo- or bi-component, thermoplastic polymer fibers comprising fusible constituents, staple fibers of thermoplastic and/or duroplastic polymers as distribution fibers and absorbent material of regenerated cellulose. The nonwoven fabric is mechanically bonded and then thermally bonded by means of subsequent hot-air bonding. The invention also relates to an absorption and distribution nonwoven fabric produced by the method according to the invention and to a device for carrying out the method according to the invention.