Provided is a method capable of manufacturing a highly durable nickel-zinc battery in which a short circuit due to a dendrite is prevented. The method of manufacturing a nickel-zinc battery disclosed herein includes the steps of: preparing a laminated body of a positive electrode, a porous negative electrode current collector, and a separator; accommodating the laminated body in a battery case with an electrolyte solution including zinc oxide dissolved therein to fabricate a battery assembly; and subjecting the battery assembly to charging and discharging. The charging and discharging causes a negative electrode active material to be precipitated, thereby supplying the negative electrode active material in the negative electrode current collector.

A method for manufacturing a flexible battery includes the steps of: preparing an electrode current collector having a current collecting portion provided with at least one through-hole; carrying out electrospinning of electrode slurry including an electrode active material, a binder, a conductive material and a solvent on at least one surface of an edge of the current collecting portion and over the through-hole to form an electrode active material layer on at least one surface of the electrode current collector; and forming a battery provided with the electrode current collector having the electrode active material layer formed thereon as an electrode. A flexible battery obtained from the method is also provided.

A metal-air battery includes a negative electrode, a positive electrode, an ion conducting membrane disposed between the negative electrode and the positive electrode, a positive electrode current collector disposed on a surface of the positive electrode and including a plurality of pores, and an insulating gas diffusion layer (GDL) disposed on a surface of the positive electrode current collector. A metal-air battery module includes a plurality of metal-air batteries.

A metal-air battery includes a negative electrode, a positive electrode, an ion conducting membrane disposed between the negative electrode and the positive electrode, a positive electrode current collector disposed on a surface of the positive electrode and including a plurality of pores, and an insulating gas diffusion layer (GDL) disposed on a surface of the positive electrode current collector. A metal-air battery module includes a plurality of metal-air batteries.

The present invention relates to a lithium secondary battery comprising: a current collector comprising a structure in a fabric form in which fiber bundles are cross-woven, wherein each of the fiber bundles is formed of sets of fiber yarns and each of the fiber yarns includes a polymer fiber and a metal layer surrounding the polymer fiber; and an electrode including an active material layer disposed on at least one surface of the current collector.

At least one embodiment relates to a method fabricating a solid-state battery cell. The method includes forming a plurality of spaced electrically conductive structures on a substrate. Forming the plurality of spaced electrically conductive structures on the substrate includes transforming at least part of a valve metal layer into a template that includes a plurality of spaced channels aligned longitudinally along a first direction. Transforming at least part of the valve metal layer into the template includes a first anodization step, a second anodization step, an etching step in an etching solution, and a deposition step. The method also includes forming a first layer of active electrode material on the plurality of spaced electrically conductive structures, depositing an electrolyte layer over the first layer of active electrode material, and forming a second layer of active electrode material over the electrolyte later.

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.

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.

At least one embodiment relates to a method for forming a layer of functional material on an electrically conductive substrate. The method includes depositing an interlayer on the substrate. The interlayer includes a transition metal oxide, a noble metal, or a noble-metal oxide. The interlayer has a thickness between 0.5 nm and 30 nm. The method also includes depositing a functional material precursor layer on the interlayer. Further, the method includes activating the functional material precursor layer by annealing to form the layer of functional material.

At least one embodiment relates to a method for transforming at least part of a valve metal layer into a template that includes a plurality of spaced channels aligned longitudinally along a first direction. The method includes a first anodization step that includes anodizing the valve metal layer in a thickness direction to form a porous layer that includes a plurality of channels. Each channel has channel walls and a channel bottom. The channel bottom is coated with a first insulating metal oxide barrier layer as a result of the first anodization step. The method also includes a protective treatment. Further, the method includes a second anodization step after the protective treatment. The second anodization step substantially removes the first insulating metal oxide barrier layer, induces anodization, and creates a second insulating metal oxide barrier layer. In addition, the method includes an etching step.