Heat resistant, highly conductive electrochemical cells for high temperature applications are described herein, having at least two electrodes and at least one separator enclosed in heat resistant ceramic enclosure with metalized terminals on its bottom. The electrodes have their tabs welded to inside connectors, and the cells are solderable to circuit boards or various circuits.

The energy storage device of the present invention includes: a negative electrode including a negative composite layer and a composite layer non-form ing portion on both surfaces of a negative electrode current collecting foil respectively; a positive electrode including a positive composite layer on both surfaces of a positive electrode current collecting foil respectively; and a separator including an insulation layer which faces the positive electrode and is interposed between the negative electrode and the positive electrode. The negative electrode, the separator and the positive electrode are stacked in a first direction. The negative composite layer and the composite layer non-forming portion are disposed adjacently to each other in a second direction orthogonal to the first direction on the respective surfaces of the negative electrode. The separator is configured to project in the second direction from the positive composite layer at one end of the separator in the second direction. The separator contains a first bent portion including a recessed surface on a surface thereof which faces the negative electrode at a portion projecting in the second direction from the negative composite layer. The first bent portions of the separators disposed adjacently to each other in the first direction are brought into contact with each other.

An electrical double layer capacitor having an electrolyte-containing layer between a first polarizable electrode layer and a second polarizable electrode layer. An insulating adhesive portion adheres to a first current collector and a second current collector and extends around the first and second polarizable electrode layers and the electrolyte-containing layer. A thickness of the insulating adhesive portion is larger than a sum of thicknesses of the first and second polarizable electrode layers and the electrolyte-containing layer.

A power storage device includes a pair of restraint plates configured to sandwich and restrain a stacked body, a pair of current collector plates, and a pair of insulating plates in a first direction; and a terminal base configured to be provided on a side surface of at least one of the restraint plates extending in a third direction intersecting both the first direction and a second direction, and the first direction, and have a terminal bolt fixed thereto. The at least one of the restraint plates is configured to have a pair of projecting portions projecting in the second direction beyond the side surface having the terminal base fixed thereto when viewed in the first direction.

An electrochemical device has a positive-electrode terminal, a negative-electrode terminal, a first electrode body, a second electrode body, and electrolytic solution. The positive-electrode terminal is flat plate-shaped, and has a first principal face and a second principal face on the opposite side. The negative-electrode terminal is flat plate-shaped, and has a third principal face and a fourth principal face on the opposite side. The first electrode body has a first wound positive-electrode non-forming region and a first wound negative-electrode non-forming region. The second electrode body has a second wound positive-electrode non-forming region and a second wound negative-electrode non-forming region. The first wound positive-electrode non-forming region, first wound negative-electrode non-forming region, second wound positive-electrode non-forming region, and second wound negative-electrode non-forming region are joined to the first principal face, third principal face, second principal face, and fourth principal face, respectively.

Electrolytes for use in electric double-layer capacitors (EDLCs; often referred as supercapacitors or ultracapacitors) are disclosed. In one example, the electrolyte comprises viologen in both the anolyte and the catholyte (with bromide). In another example, the electrolyte comprises viologen (in the anolyte) and tetraalkylammonium with bromide (in the catholyte), wherein the tetraalkylammonium is used to achieve solid complexation of bromine in the activated carbon of the cathode. In a third example, a zinc bromine/tetraalkylammonium supercapacitor/battery hybrid is disclosed. Also disclosed is a corrosion resistant bipolar pouch cell that can be used with the electrolyte embodiments described herein.

A continuous electric/electronic device and a method of manufacturing the same are disclosed. The method of manufacturing a continuous electric/electronic device having a serial connection structure comprises (a) disposing a first electrode current collection unit, (b) disposing first organicinorganic material in regard to the first electrode current collection unit, (c) laminating a first area of a second electrode current collection unit on the disposed first organicinorganic material, (d) disposing second organicinorganic material in regard to a second area of the second electrode current collection unit and (e) laminating a third electrode current collection unit on the disposed second organicinorganic material. Here, the first area and the second area of the second electrode current collection unit operate as current collection units having different polarity in regard to adjoining first organicinorganic material and second organicinorganic material.

Ultra-capacitor structures and electronic systems and assemblies are provided. In one aspect, the ultra-capacitor structure is configured to selectively power and at least partially house electronic component(s) therein. In one embodiment, the ultra-capacitor structure includes a thermally conductive material facilitating dissipation of heat generated. In another embodiment, the ultra-capacitor structure includes an electrically conductive sheet facilitating electromagnetic shielding. In another aspect, an electronic system includes: an electronic device including electronic component(s); and a support structure physically receiving and electrically coupling to the electronic device, and including an ultra-capacitor structure configured to selectively power the electronic component(s) of the electronic device when electrically coupled to the support structure. In another aspect, an electronic assembly has a first region including electronic component(s), and a second region including an ultra-capacitor structure configured to selectively power the electronic component(s) of the electronic assembly, where the first region is spaced apart from the second region.

Ultra-capacitor structures and electronic systems and assemblies are provided. In one aspect, the ultra-capacitor structure is configured to selectively power and at least partially house electronic component(s) therein. In one embodiment, the ultra-capacitor structure includes a thermally conductive material facilitating dissipation of heat generated. In another embodiment, the ultra-capacitor structure includes an electrically conductive sheet facilitating electromagnetic shielding. In another aspect, an electronic system includes: an electronic device including electronic component(s); and a support structure physically receiving and electrically coupling to the electronic device, and including an ultra-capacitor structure configured to selectively power the electronic component(s) of the electronic device when electrically coupled to the support structure. In another aspect, an electronic assembly has a first region including electronic component(s), and a second region including an ultra-capacitor structure configured to selectively power the electronic component(s) of the electronic assembly, where the first region is spaced apart from the second region.

The herein disclosed electric storage device 1 includes a case, an insulating material, and a current collector. The current collector is arranged to cover a terminal attachment hole via an insulating material 30, is joined to the insulating material. The current collector includes a terminal part exposed to an outer side of the case through the terminal attachment hole, and can be electrically connected to an outside member. Then, the terminal part is positioned at an inward more than an outer surface of the case. In accordance with such a configuration, it is possible to implement forming an electrically conductive passage to an outside of the case and hermetically sealing an inside of the case, and it is possible to enhance the loading efficiency of the electric product.