An object is to provide a system that can provide a stable power supply without being influenced by a time of day and weather conditions, and that is also superior in terms of power generation compared to conventional independent power supply type devices.

A system comprising a first conductive part, a second conductive part, a medium, and a functional part, wherein the first conductive part and the functional part are connected, the second conductive part and the functional part are connected, at least a part of the first conductive part is in contact with the medium, at least a part of the second conductive part is in contact with the medium, and the first conductive part and the second conductive part are not in contact with each other.

An object is to provide a system that can provide a stable power supply without being influenced by a time of day and weather conditions, and that is also superior in terms of power generation compared to conventional independent power supply type devices.

A system comprising a first conductive part, a second conductive part, a medium, and a functional part, wherein the first conductive part and the functional part are connected, the second conductive part and the functional part are connected, at least a part of the first conductive part is in contact with the medium, at least a part of the second conductive part is in contact with the medium, and the first conductive part and the second conductive part are not in contact with each other.

The invention relates to a heat exchanger for a battery unit, comprising coolant-conducting tubes which end at both sides in in each case one collector, wherein each collector is connected to at least one tube and a potential equalization element for electrical potential equalization connects at least one collector to a housing of the battery. To produce potential equalization between the heat exchanger and a battery housing in as inexpensive a manner as possible, the potential equalization element and the collector are formed in one piece.

The present invention concerns a battery including an anode case, an anode situated inside the anode case, a cathode case fixed to the anode case, a seal sealing the cathode case to the anode case, a cathode situated inside the cathode case between the anode and the cathode case, and a membrane between the anode and the cathode, said battery being characterized in that one outer surface of said accumulator includes at least one marking created by local heating of material, said marking being electrically conductive.

The present invention concerns a battery including an anode case, an anode situated inside the anode case, a cathode case fixed to the anode case, a seal sealing the cathode case to the anode case, a cathode situated inside the cathode case between the anode and the cathode case, and a membrane between the anode and the cathode, said battery being characterized in that one outer surface of said accumulator includes at least one marking created by local heating of material, said marking being electrically conductive.

A three-dimensional electrode array for use in electrochemical cells, fuel cells, capacitors, supercapacitors, flow batteries, metal-air batteries and semi-solid batteries.

A state of charge indicator including an indicator with a display threshold and an indicator circuit electrically coupled to the indicator such that when a main cell voltage of a main cell is greater than a display threshold, the indicator circuit applies a driver voltage to the indicator such that the indicator is inactive and when the main cell voltage is less than the display threshold, the indicator circuit applies the driver voltage to the indicator such that the indicator is active.

The present invention provides a fiber-reinforced aerogel material which can be used as insulation in thermal battery applications. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used in thermal battery applications. The fiber-reinforced aerogel insulation material can be as thin as 1 mm less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a thermal battery by incorporating a reinforced aerogel material into the thermal battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.

The invention relates to an activation device for an electric battery unit, in particular, for a battery part of a torpedo. The invention also relates to a battery unit with activation devices of this type. An activation device incorporates an operating supply connection, to which an operating supply reservoir can be connected. A movably arranged cutting element can be pneumatically actuated via a pneumatic connection of the activation device by means of an actuation element, wherein a sealing element arranged in the path of travel of the cutting element controls the operating supply connection. In order to guarantee a safe storage, ready for operation, and a safe activation of a battery unit, it is provided in accordance with the invention that the activation device incorporates a pneumatic outlet, which can be fluidically connected to the pneumatic connection, depending on the position of the actuation element.

A battery system and a method of assembling the battery system are provided. The battery system includes a thermally conductive base member, a thermal transfer member, a thermally conductive adhesive portion, and a battery module. The thermal transfer member has a metal plate with a top portion and a bottom portion. The bottom portion is disposed on the thermally conductive base member. The top portion has a substantially arcuate-shaped groove extending inwardly into the metal plate. The thermally conductive adhesive portion is disposed in the substantially arcuate-shaped groove. The battery module having a first pouch-type battery cell with a first outer housing with a first end portion. The first end portion is disposed on the thermally conductive adhesive portion and is disposed above the arcuate-shaped groove.