摘要:
Provided are a three-dimensional net-like aluminum porous body in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body; a current collector and an electrode each using the aluminum porous body; and methods for producing these members. The porous body is a three-dimensional net-like aluminum porous body in a sheet form, for a current collector, in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body. When a cross section in the thickness direction of the three-dimensional net-like aluminum porous body is divided into three regions of a region 1, a region 2 and a region 3 in this order, the average cell diameter of the regions 1 and 3 is preferably different from the cell diameter of the region 2.
摘要:
Provided are a three-dimensional net-like aluminum porous body in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body; a current collector and an electrode each using the aluminum porous body; and methods for producing these members. The porous body is a three-dimensional net-like aluminum porous body in a sheet form, for a current collector, in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body. When a cross section in the thickness direction of the three-dimensional net-like aluminum porous body is divided into three regions of a region 1, a region 2 and a region 3 in this order, the average cell diameter of the regions 1 and 3 is preferably different from the cell diameter of the region 2.
摘要:
A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided.
摘要:
A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided.
摘要:
A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided.
摘要:
The method for producing an electrode for an electrochemical element of the present invention includes a slurry filling step of filling a slurry containing an active material into continuous pores of an aluminum porous body having the continuous pores, and a slurry drying step of drying the slurry filled, and in this method, after the slurry drying step, an electrode for an electrochemical element is produced without undergoing a compressing step of compressing the aluminum porous body having the slurry filled therein and dried. In the electrode, a mixture containing an active material is filled into continuous pores of an aluminum porous body having the continuous pores, and porosity (%) of the aluminum porous body, the porosity being represented by the following equation, is 15 to 55%. Porosity(%)={1−(volume of electrode material)/(apparent volume of electrode)}×100
摘要:
It is an object of the present invention to provide a sheet-shaped three-dimensional network aluminum porous body for a current collector which is suitably used for electrodes for nonaqueous electrolyte batteries and electrodes for capacitors, an electrode and a capacitor each using the same. In such a three-dimensional network aluminum porous body for a current collector, the aluminum porous body has been made to have a compressive strength in a thickness direction of 0.2 MPa or more in order to efficiently fill an active material into the sheet-shaped three-dimensional network aluminum porous body.
摘要:
A three-dimensional network aluminum porous body in which the amount of aluminum forming a skeleton of the three-dimensional network aluminum porous body is uneven in the thickness direction, and a current collector and an electrode each using the aluminum porous body, and a manufacturing method thereof. In such a sheet-shaped three-dimensional network aluminum porous body for a current collector, the amount of aluminum forming a skeleton of the three-dimensional network aluminum porous body is uneven in the thickness direction. For example, in the case where a cross section in the thickness direction of the three-dimensional network aluminum porous body is divided into three regions of a region 1, a region 2 and a region 3 in this order, each region is configured so that the average of the amounts of aluminum in the region 1 and the region 3 differs from the amount of aluminum in the region 2.
摘要:
It is an object of the present invention to provide an electrode using a current collector made of an aluminum porous body which is suitably used for an electrode for a nonaqueous electrolyte battery and an electrode for a capacitor, and a method for producing the electrode. In the current collector of the present invention, a strip-shaped compressed part compressed in a thickness direction is formed at one end part of a three-dimensional network aluminum porous body and a tab lead is bonded to the compressed part by welding. The width of the compressed part is 2 to 10 mm. Further, the electrode is formed by filling the current collector with an active material.
摘要:
The present invention provides an electrode current collector for a secondary battery or the like, wherein a compressed part for attaching a tab lead to an end part of the three-dimensional network aluminum porous body to be used as an electrode current collector of a secondary battery, a capacitor using a nonaqueous electrolytic solution or the like is formed, and a method for producing the same. That is, the present invention provides a three-dimensional network aluminum porous body for a current collector having a compressed part compressed in a thickness direction for connecting a tab lead to its end part, wherein the compressed part is formed at a central part in the thickness direction of the aluminum porous body.