Abstract: The teachings herein relate to a gel polymer electrolyte, manufacturing of a gel polymer electrolyte, and an electrochemical device including the gel polymer electrolyte. The present gel polymer electrolyte preferably includes a multi-component crosslinked polymer matrix; a dissociable salt; and an organic solvent. The content of the multi-component crosslinked polymer matrix preferably is 1 to 50 weight percent and preferably has a net structure formed by crosslinking at least three different kinds of cross-linkable monomers. Each of the cross-linkable monomers preferably includes at least two of the following functional groups: a carboxylic group, an acrylate group, or a cyano group. The method of manufacturing the gel polymer electrolyte preferably uses a thermal crosslinking or photo-crosslinking process.

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: A battery technology, and more particularly, a current collector may be widely used in secondary batteries, and an electrode may employ such technology. The current collector includes a conductive fiber layer including a plurality of conductive fibers. Each of the conductive fibers includes a conductive core including a plurality of metal filaments, and a conductive binder matrix surrounding the outer circumferential surfaces of the conductive core.

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: 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: 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 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 an electrode assembly comprising fiber-shaped structures. The electrode assembly for a battery according to one embodiment of the present invention comprises: a first electrode including a plurality of first fiber-shaped structures extending in a first direction; a second electrode including a plurality of second fiber-shaped structures which extend in a second direction other than the first direction, and the polarities of which are different from the polarities of the first structures; and a first separator film interposed between the first structures and the second structures which intersect with each other, so as to separate the first structures and the second structures from each other.

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: 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 battery having an electrode structure using long metal fibers, and to a production method therefor. According to one embodiment of the present invention, the battery has an electrode structure comprising: an electrically-conductive network which is formed by physical connection or chemical bonding between one or more long metal fibers; and a first electrically active material which is bound to the electrically-conductive network.

Abstract: The present invention relates to an electrode assembly comprising fiber-shaped structures. The electrode assembly for a battery according to one embodiment of the present invention comprises: a first electrode including a plurality of first fiber-shaped structures extending in a first direction; a second electrode including a plurality of second fiber-shaped structures which extend in a second direction other than the first direction, and the polarities of which are different from the polarities of the first structures; and a first separator film interposed between the first structures and the second structures which intersect with each other, so as to separate the first structures and the second structures from each other.

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.