Abstract: Provided is an electrical energy storage device including an electrode winding body, which includes a positive electrode generating electrons by oxidation and reduction, a negative electrode for absorbing the generated electrons, and separation layers for physically separating the negative electrode from the positive electrode, which are sequentially wound around a winding core, and an electrolyte provided between the positive electrode and the negative electrode, the electrical energy storage device including: a terminal plate for connecting the electrode winding body to an external electrode interconnecting member such as an external resistor; a cylindrical can for accommodating the electrode winding body connected to the terminal plate; and a ring-shaped sealing member for closing an opening formed in the can; wherein the sealing member includes a vent part having a vent hole and integrally formed in the center of at least one side of the sealing member.

Abstract: Provided is an electrical energy storage device including an electrode winding body, which includes a positive electrode generating electrons by oxidation and reduction, a negative electrode for absorbing the generated electrons, and separation layers for physically separating the negative electrode from the positive electrode, which are sequentially wound around a winding core, and an electrolyte provided between the positive electrode and the negative electrode, the electrical energy storage device including: a terminal plate for externally connecting the electrode winding body to an external electrode connecting member such as an external resistor; a cylindrical can for accommodating the electrode winding body connected to the terminal plate; and a conductive interconnecting member for connection between the terminal plate and polarity-leads on one side of the electrode winding body by a method selected from the group consisting of plasma-spraying, welding, soldering and adhesion using a conductive adhesiv

Abstract: Provided is an electrical energy storage device including an electrode winding body, which includes a positive electrode generating electrons by oxidation and reduction, a negative electrode for absorbing the generated electrons, and separation layers for physically separating the negative electrode from the positive electrode, which are sequentially wound around a winding core, and an electrolyte provided between the positive electrode and the negative electrode, the electrical energy storage device including: a terminal plate for externally connecting the electrode winding body to an external electrode connecting member such as an external resistor; a cylindrical can for accommodating the electrode winding body connected to the terminal plate; and a conductive interconnecting member for connection between the terminal plate and polarity-leads on one side of the electrode winding body by a method selected from the group consisting of plasma-spraying, welding, soldering and adhesion using a conductive adhesiv

Abstract: Provided is an electrical energy storage device including an electrode winding body, which includes a positive electrode generating electrons by oxidation and reduction, a negative electrode for absorbing the generated electrons, and separation layers for physically separating the negative electrode from the positive electrode, which are sequentially wound around a winding core, and an electrolyte provided between the positive electrode and the negative electrode, the electrical energy storage device including: a terminal plate for connecting the electrode winding body to an external electrode interconnecting member such as an external resistor; a cylindrical can for accommodating the electrode winding body connected to the terminal plate; and a ring-shaped sealing member for closing an opening formed in the can; wherein the sealing member includes a vent part having a vent hole and integrally formed in the center of at least one side of the sealing member.

Abstract: Provided is an electric energy storage device including: a terminal block for external connection (300) connected to an external electrode connection member such as an external resistor; a cylindrical can (200) for accommodating an electrode winding body (100); an electrolyte (61) impregnated in the electrode winding body (100); and an anti-vibration member (345) fixed to an outer periphery of a first projection of the terminal block (300) and resiliently pressed against an inner surface of one end of a winding core (12) inserted into a hollow part of the electrode winding body (100) to prevent movement of the electrode winding body (100) with respect to the terminal block (300).