With the measures described herein, a structural composite laminate is provided that includes a structural fuel cell, a structural supercondensator and a structural battery. Each of these components is configured in a self-supporting manner, such that aircraft parts, like exterior panels, may be manufactured from the laminate. The aircraft parts are capable of generating electrical energy by means of the structural fuel cell and distribute the electrical energy over the whole aircraft without cabling. Furthermore, short power demand peaks can be absorbed by the structural supercondensator, whereas the basic load is supplied by the structural battery.

The present disclosure provides supercapacitors that may avoid shortcomings of current energy storage technology. Provided herein are materials and fabrication processes of such supercapacitors. In some embodiments, an electrochemical system comprising a first electrode, a second electrode, wherein at least one of the first electrode and the second electrode comprises a three dimensional porous reduced graphene oxide framework.

The present disclosure provides supercapacitors that may avoid shortcomings of current energy storage technology. Provided herein are materials and fabrication processes of such supercapacitors. In some embodiments, an electrochemical system comprising a first electrode, a second electrode, wherein at least one of the first electrode and the second electrode comprises a three dimensional porous reduced graphene oxide framework.

An electric storage device includes a case having a substantially rectangular shape including a cutout part. An electrode body is disposed in the case and includes a first electrode, a second electrode, and a separator disposed between the first and second electrodes. An electrolyte is located in the case and at least partially impregnating the electrode body. A first electrode terminal is located on a first part of a side surface of the case and is electrically connected to the first electrode by a first connection member which has elasticity in a direction extending from the first electrode terminal to the first electrode. A second electrode terminal is located on a second part of the side surface of the case and is electrically connected to the second electrode by a second elastic connection member which has elasticity in a direction extending from the second electrode terminal to the second electrode.

An electric storage device includes a case having a substantially rectangular shape including a cutout part. An electrode body is disposed in the case and includes a first electrode, a second electrode, and a separator disposed between the first and second electrodes. An electrolyte is located in the case and at least partially impregnating the electrode body. A first electrode terminal is located on a first part of a side surface of the case and is electrically connected to the first electrode by a first connection member which has elasticity in a direction extending from the first electrode terminal to the first electrode. A second electrode terminal is located on a second part of the side surface of the case and is electrically connected to the second electrode by a second elastic connection member which has elasticity in a direction extending from the second electrode terminal to the second electrode.

Provided herein are devices comprising one or more cells, and methods for fabrication thereof. The devices may be electrochemical devices. The devices may include three-dimensional supercapacitors. The devices may be microdevices such as, for example, microsupercapacitors. In some embodiments, the devices are three-dimensional hybrid microsupercapacitors. The devices may be configured for high voltage applications. In some embodiments, the devices are high voltage microsupercapacitors. In certain embodiments, the devices are high voltage asymmetric microsupercapacitors. In some embodiments, the devices are integrated microsupercapacitors for high voltage applications.

Provided herein are devices comprising one or more cells, and methods for fabrication thereof. The devices may be electrochemical devices. The devices may include three-dimensional supercapacitors. The devices may be microdevices such as, for example, microsupercapacitors. In some embodiments, the devices are three-dimensional hybrid microsupercapacitors. The devices may be configured for high voltage applications. In some embodiments, the devices are high voltage microsupercapacitors. In certain embodiments, the devices are high voltage asymmetric microsupercapacitors. In some embodiments, the devices are integrated microsupercapacitors for high voltage applications.

The present disclosure provides a surface-mount power storage device. A power storage device of the present disclosure includes a solid electrolyte layer; a coating layer that coats a surface of the solid electrolyte layer; a first internal electrode disposed inside the solid electrolyte layer; a first external electrode disposed outside of the solid electrolyte layer and electrically connected to the first internal electrode; a second internal electrode disposed inside the solid electrolyte layer; and a second external electrode disposed outside of the solid electrolyte layer and electrically connected to the second internal electrode. The coating layer has a conductivity less than a conductivity of the solid electrolyte layer.

Provided is an electrode for an electrochemical device that can sufficiently inhibit heat generation in the event of an internal short circuit and reduce IV resistance in an electrochemical device. The electrode includes a current collector and an electrode mixed material layer. The electrode mixed material layer contains an electrode active material, a binder, and a foaming agent having a thermal decomposition temperature of 150° C. to 400° C. In a thickness direction cross-section of the electrode mixed material layer, thermally decomposable sites formed of the foaming agent and having a circumscribed circle diameter of 1.0 μm to 10.0 μm are present, and a number A of the thermally decomposable sites per 50 μm.sup.2 in a surface region of the electrode mixed material layer is larger than a number B of the thermally decomposable sites per 50 μm.sup.2 in a deep region of the electrode mixed material layer.

Provided is an electrode for an electrochemical device that can sufficiently inhibit heat generation in the event of an internal short circuit and reduce IV resistance in an electrochemical device. The electrode includes a current collector and an electrode mixed material layer. The electrode mixed material layer contains an electrode active material, a binder, and a foaming agent having a thermal decomposition temperature of 150° C. to 400° C. In a thickness direction cross-section of the electrode mixed material layer, thermally decomposable sites formed of the foaming agent and having a circumscribed circle diameter of 1.0 μm to 10.0 μm are present, and a number A of the thermally decomposable sites per 50 μm.sup.2 in a surface region of the electrode mixed material layer is larger than a number B of the thermally decomposable sites per 50 μm.sup.2 in a deep region of the electrode mixed material layer.