Abstract: The present invention relates to a battery technology, and more particularly, to a current collector that may be widely used in secondary batteries and an electrode employing the same. The current collector includes a conductive fiber layer including a plurality of conductive fibers. Each of the conductive fibers includes a conductive core consisting of a plurality of metal filaments; and a conductive binder matrix surrounding the outer circumferential surfaces of the conductive core.

Abstract: The present invention relates to a battery technology, and more particularly, to a current collector that may be widely used in secondary batteries and an electrode employing the same. The current collector includes a conductive fiber layer including a plurality of conductive fibers. Each of the conductive fibers includes a conductive core consisting of a plurality of metal filaments; and a conductive binder matrix surrounding the outer circumferential surfaces of the conductive core.

Abstract: The present invention relates to a secondary battery having the electrode structure and a method of manufacturing therefor, the electrode structure according to an embodiment of the present invention may comprise an electrode assembly including a cathode layer, an anode layer facing the cathode layer, and a separation film disposed between the cathode layer and the anode layer; an exterior body including a upper exterior layer having an outer sealing part of which at least a portion of or whole edges are adhered so as to accommodate the electrode assembly and an electrolyte therein, and a lower exterior layer; a battery penetration part forming openings from the upper exterior layer to the lower exterior layer; and an inner sealing part in which facing portions of the upper exterior layer and the lower exterior layer of external periphery of the battery penetration part are adhered each other.

Abstract: A waved meltblown fiber web of the present invention relates to a fiber web prepared by a meltblown method and is characterized by a preparation method in which a meltblown microfiber comes in contact with collection portions having different surface velocities so as to be collected. The waved meltblown fiber web of the present invention is characterized in that: a part of meltblown microfibers reaches a low velocity collection portion so as to be horizontally layered, thereby forming a horizontal fiber layer (10); another part of the meltblown microfibers reaches a high velocity collection portion of which the surface velocity is greater that of the low velocity collection portion so as to form a serpentine vertical fiber layer (20); and the upper end of the vertical fiber layer (20) becomes entangled so as to form a wave shaped wave layer (30) forming the uppermost portion of the fiber web.

Abstract: Provided are a non-woven fabric current collector and a method and system of fabricating a battery using the same. The non-woven fabric current collector comprises a upper conductive non-woven fabric sheet and a lower conductive non-woven fabric sheet including a network of a conductive fibers; and a tension reinforcing layer that has a greater tensile strength than the conductive non-woven fabric sheets, arranged between the upper conductive non-woven fabric sheet and the lower conductive non-woven fabric sheet, mediates adhesion between the upper conductive non-woven fabric sheet and the lower conductive non-woven fabric sheet, and has pores via which the upper conductive non-woven fabric sheet and the lower conductive non-woven fabric sheet communicate with each other.

Abstract: The present invention relates to a battery having an electrode structure using metal fiber and a preparation method of an electrode structure. A preparation method of an electrode structure, according to one embodiment of the present invention, includes a step for providing one or more metal fibers forming a conductive network; a step for providing particle compositions including electrical active materials of a particle shape; a step for mixing the metal fibers and the particle compositions; and a step for compressing the mixed metal fibers and the particle compositions.

Abstract: Provided are a flexible secondary battery and a method of manufacturing the same. The method includes forming an electrode including a metal fiber-like current collector and an active material combined with the metal fiber-like current collector; and providing a liquid pre-electrolyte that may be either thermally polymerized or crosslinked to the electrode and applying heat thereto, such that the liquid pre-electrolyte is integrated with the electrode and forms a gelated or solidified polymer electrode.

Abstract: The present invention relates to a battery package attached to an external substrate, which includes an electronic circuit and a power terminal electrically connected to the electronic circuit, to supply power to the electronic circuit, or to accumulate energy by collecting power. A battery package, according to an exemplary embodiment, comprises: a battery unit that has one or more secondary battery cells and leads that are connected to the secondary battery cells and exposed; a flexible encapsulation body that accommodates the battery unit therein; exposed electrodes that are exposed on the surface of the flexible encapsulation body and are electrically connected to the leads to electrically connect to the electronic circuit; and a first Velcro part mounted on the surface of the flexible encapsulation body.

Abstract: The present invention relates to an electrode assembly, to a method for manufacturing same, and to a battery charging and discharging method. The electrode assembly according to one embodiment of the present invention includes: an electrode collector, wherein a first electrical active material layer is stacked on the electrode collector; and a first porous conductive network layer of which at least one portion is recessed into the first electrical active material layer, wherein the first porous conductive network layer is stacked on the circumferential surface opposite to that of the first electrical active material layer contacting the electrode collector.

Abstract: The present invention relates to a composite film and a method of fabricating the same. The present invention provides a highly flexible and pliable composite film capable of preventing interlayer deformation or interlayer exfoliation based on a difference between thermal expansion coefficients. The composite film comprises a first protection layer; and a fabric layer adhered onto the first protection layer via an adhesive layer.

Abstract: A method of manufacturing a wheel guard may include injection-molding an adhesive layer, bonding an outer layer including a non-woven fabric and a sound-absorbing layer including thermoplastic resin with the adhesive layer in between, and forming the layers into a predetermined shape of the wheel guard, with the outer layer and the sound-absorbing layer bonded by the adhesive layer. The thickness of the outer layer may be 2 to 10 mm, the thickness of the adhesive layer may be 0.1 to 2 mm, and the thickness of the sound-absorbing layer may be 2 to 10 mm, before the bonding. A specific heat treatment layer may be formed on a non-adhesive side of the outer layer and may have an LM FIBER, a film, or a sheet.

Abstract: The present invention relates to a battery technology, and more particularly, to a current collector that may be widely used in secondary batteries and an electrode employing the same. The current collector according to an embodiment of the present invention includes a conductive substrate; and a conductive fiber layer, which is dispersed on the conductive substrate and comprises pores. The conductive fiber layer comprises a plurality of metal filaments and liner binders mixed with the plurality of metal filaments, and the conductive fiber layer is combined with the conductive substrate via the mixed linear binders.

Abstract: The present invention relates to a battery technology, and more particularly, to a current collector that may be widely used in secondary batteries and an electrode employing the same. The current collector includes a conductive fiber layer including a plurality of conductive fibers. Each of the conductive fibers includes a conductive core consisting of a plurality of metal filaments; and a conductive binder matrix surrounding the outer circumferential surfaces of the conductive core.

Abstract: The present invention relates to a battery technology, and more particularly, to a current collector that may be widely used in secondary batteries and an electrode employing the same. The current collector includes a conductive fiber layer including a plurality of conductive fibers. Each of the conductive fibers includes a conductive core consisting of a plurality of metal filaments; and a conductive binder matrix surrounding the outer circumferential surfaces of the conductive core.

Abstract: The present invention relates to a melt-blown fiber web having improved elasticity and cohesion, and a manufacturing method therefor. The objective of the present invention is accomplished by a melt-blown fiber web comprising a thermoplastic resin which comprises 10 to 60 wt % of thermoplastic resin microfibers and 40 to 90 wt % of non-circular cross-sectional hollow conjugated staple fibers with respect to the total weight of the fiber web.

Abstract: Provided are micro-needles and a micro-needle patch for transdermal delivery of a pharmaceutical, medical, or cosmetic substance. The micro-needle may include a biocompatible matrix having a micro-needle-like shape; and porous particles provided at at least a portion of a surface or the interior of the biocompatible matrix.

Abstract: Provided are a non-woven fabric current collector and a method and system of fabricating a battery using the same. An electrode according to an embodiment of the present invention includes a non-woven fabric current collector including a conductive non-woven fabric sheet including a network of conductive fibers and pores for communication between a main surface and the interior thereof; and conductive patterns partially blocking the pores on the main surface of the conductive non-woven fabric sheet.

Abstract: Provided are a non-woven fabric current collector and a method and system of fabricating a battery using the same. The non-woven fabric current collector comprises a upper conductive non-woven fabric sheet and a lower conductive non-woven fabric sheet including a network of a conductive fibers; and a tension reinforcing layer that has a greater tensile strength than the conductive non-woven fabric sheets, arranged between the upper conductive non-woven fabric sheet and the lower conductive non-woven fabric sheet, mediates adhesion between the upper conductive non-woven fabric sheet and the lower conductive non-woven fabric sheet, and has pores via which the upper conductive non-woven fabric sheet and the lower conductive non-woven fabric sheet communicate with each other.

Abstract: A waved meltblown fiber web of the present invention relates to a fiber web prepared by a meltblown method and is characterized by a preparation method in which a meltblown microfiber comes in contact with collection portions having different surface velocities so as to be collected. The waved meltblown fiber web of the present invention is characterized in that: a part of meltblown microfibers reaches a low velocity collection portion so as to be horizontally layered, thereby forming a horizontal fiber layer (10); another part of the meltblown microfibers reaches a high velocity collection portion of which the surface velocity is greater that of the low velocity collection portion so as to form a serpentine vertical fiber layer (20); and the upper end of the vertical fiber layer (20) becomes entangled so as to form a wave shaped wave layer (30) forming the uppermost portion of the fiber web.

Abstract: A method of manufacturing a wheel guard may include injection-molding an adhesive layer, bonding an outer layer including a non-woven fabric and a sound-absorbing layer including thermoplastic resin with the adhesive layer in between, and forming the layers into a predetermined shape of the wheel guard, with the outer layer and the sound-absorbing layer bonded by the adhesive layer. The thickness of the outer layer may be 2 to 10 mm, the thickness of the adhesive layer may be 0.1 to 2 mm, and the thickness of the sound-absorbing layer may be 2 to 10 mm, before the bonding. A specific heat treatment layer may be formed on a non-adhesive side of the outer layer and may have an LM FIBER, a film, or a sheet.