A container for a portable, rechargeable direct current storage device, having the following features: a housing with a housing underside with a housing set-down surface, a housing upper side, housing side walls and a housing interior, and also electrical anode and cathode contacts, wherein the housing underside has formed in it, on mutually opposite edges, set-back guide means, which extend in the direction of the housing upper side from a set-down plane defined by the housing set-down surface. The anode contact and the cathode contact can be arranged on the housing, in one or more of the set-back guide means, at a distance of at least five millimeters from the set-down plane, wherein that region of the respective housing side wall which is adjacent to the anode contact and the cathode contact terminates at a distance of at least five millimeters from the set-down plane.

A container for a portable, rechargeable direct current storage device, having the following features: a housing with a housing underside with a housing set-down surface, a housing upper side, housing side walls and a housing interior, and also electrical anode and cathode contacts, wherein the housing underside has formed in it, on mutually opposite edges, set-back guide means, which extend in the direction of the housing upper side from a set-down plane defined by the housing set-down surface. The anode contact and the cathode contact can be arranged on the housing, in one or more of the set-back guide means, at a distance of at least five millimeters from the set-down plane, wherein that region of the respective housing side wall which is adjacent to the anode contact and the cathode contact terminates at a distance of at least five millimeters from the set-down plane.

A heat pipe cooled capacitor includes a capacitor body having opposing first and second ends and an opening defined between the opposing ends. A first heat pipe is thermally and electrically connected to the first end of the capacitor body. A second heat pipe is positioned at least partially through the opening of the capacitor body. The second heat pipe is thermally connected to the second end of the capacitor body, and electrically isolated from the first heat pipe.

A heat pipe cooled capacitor includes a capacitor body having opposing first and second ends and an opening defined between the opposing ends. A first heat pipe is thermally and electrically connected to the first end of the capacitor body. A second heat pipe is positioned at least partially through the opening of the capacitor body. The second heat pipe is thermally connected to the second end of the capacitor body, and electrically isolated from the first heat pipe.

A method of manufacturing a variable capacitor includes forming a capacitor conductor. The method also includes forming a phase change material adjacent the capacitor conductor. The method further includes forming a first contact on the capacitor conductor. The method additionally includes forming a second contact and a third contact on the phase change material.

A device and method for providing electrical energy storage of high specific energy density. The device contains one or more layers of high dielectric constant material, such as Barium Titanate or Hexagonal Barium Titanate, sandwiched between electrode layers made up of a variety of possible conducting materials. The device includes additional insulating layers including carbon, such as carbon formed into diamond or a diamond-like arrangement for providing between the electrodes and the dielectric layer to provide for very high breakdown voltages. The layers can be created by a variety of methods including laser deposition and assembled to form a capacitor device provides the high energy density storage.

A device and method for providing electrical energy storage of high specific energy density. The device contains one or more layers of high dielectric constant material, such as Barium Titanate or Hexagonal Barium Titanate, sandwiched between electrode layers made up of a variety of possible conducting materials. The device includes additional insulating layers including carbon, such as carbon formed into diamond or a diamond-like arrangement for providing between the electrodes and the dielectric layer to provide for very high breakdown voltages. The layers can be created by a variety of methods including laser deposition and assembled to form a capacitor device provides the high energy density storage.

A multi-layer ceramic capacitor assembly includes a first terminal assembly member formed by arranging first protruded members at specific intervals, a second terminal assembly member formed by arranging second protruded members at specific intervals so that they face the respective first protruded members, insulated heat dissipation members supported by the first protruded members and the second protruded members and disposed therein, and multi-layer ceramic capacitors alternately disposed between the insulated heat dissipation members so that each multi-layer ceramic capacitor comes into contact with one side and the other side of each insulated heat dissipation member in a first direction, the end on one side of the multi-layer ceramic capacitor in a second direction orthogonal to the first direction is connected to the first terminal assembly member, and the end on the other side of the multi-layer ceramic capacitor in the second direction is connected to the second terminal assembly member.

A multi-layer ceramic capacitor assembly includes a first terminal assembly member formed by arranging first protruded members at specific intervals, a second terminal assembly member formed by arranging second protruded members at specific intervals so that they face the respective first protruded members, insulated heat dissipation members supported by the first protruded members and the second protruded members and disposed therein, and multi-layer ceramic capacitors alternately disposed between the insulated heat dissipation members so that each multi-layer ceramic capacitor comes into contact with one side and the other side of each insulated heat dissipation member in a first direction, the end on one side of the multi-layer ceramic capacitor in a second direction orthogonal to the first direction is connected to the first terminal assembly member, and the end on the other side of the multi-layer ceramic capacitor in the second direction is connected to the second terminal assembly member.

In an embodiment, a multilayer ceramic capacitor 10 includes external electrodes 12 on both of first-direction ends of a capacitor body 11. Also, groups of metal grains 13 are provided on one third-direction face and another third-direction face of the capacitor body 11. Both of the first-direction ends of the groups of metal grains 13 provided on the other third-direction face of the capacitor body 11 are covered by second parts 12c of the respective external electrodes 12, while both of the first-direction ends of the groups of metal grains 13 provided on the one third-direction face of the capacitor body 11 are covered by first parts 12b of the respective external electrodes 12. The multilayer ceramic electronic component can offer excellent heat dissipation property.