A battery including: a casing having a cylindrical portion, an end portion configured for covering an opening disposed in an end of the cylindrical portion, and an inner surface defining a chamber in which an electrolyte is disposed therein; a conductive surface located within the chamber adjacent the inner surface of the casing, the conductive surface being configured for electrical communication with an anode terminal of the battery; a permeable separator sheet located within the casing configured for electrically isolating the electrolyte from the conductive surface; a conductive rod having a first end configured for electrical communication with a cathode terminal of the battery, and, a second end of the conductive rod configured for electrical communication with the electrolyte; wherein the end portion and the cylindrical portion are movably attached to each other, the end portion and cylindrical portion being movable relative to each other between at least a first attached position whereby the end portion covers the opening disposed at the end of the cylindrical portion so as to substantially block ingress of a liquid into the casing via the opening, and, a second attached position whereby the end portion is displaced from the end of the cylindrical portion so as to allow ingress of a liquid into contact with the electrolyte in the chamber via the opening so that the electrolyte is suitable for allowing a potential difference to be generated between the conductive surface and the conductive rod of the battery.

A power source system including a plurality of cells. The power source system uses electrical charge or current generated by a reaction in at least one of the cells to provide at least one operating material to at least one other of the cells. Optionally, the power source system uses the electrical charge generated by the reaction in the at least one of the cells to provide the at least one operating material to the at least one other of the cells only when the state of charge of the at least one of the cells is equal to or below a threshold or when the use of the cell is equal to or above a threshold. Optionally, in an initial or non-operational state, one or more or each of the cells is dry or without the at least one operating material and the power source system is configured to selectively switch at least one of the plurality of cells from the non-operational state to an operational state by providing the at least one operating material to the at least one cell.

An activation device for a battery for an electronic ignition mechanism has an ampoule filled with an electrolyte and a device for breaking the ampoule. The breaking device contains two leaf spring elements, which are fixed with a prestress on a component in the housing interior and between which the ampoule is clamped. At least the leaf spring element which supports the ampoule on the bottom side snaps from a first shape into a second shape when a force due to acceleration is applied.

An activation device for a battery for an electronic ignition mechanism has an ampoule filled with an electrolyte and a device for breaking the ampoule. The breaking device contains two leaf spring elements, which are fixed with a prestress on a component in the housing interior and between which the ampoule is clamped. At least the leaf spring element which supports the ampoule on the bottom side snaps from a first shape into a second shape when a force due to acceleration is applied.

An apparatus including a proton battery and a casing for the proton battery, the proton battery including first and second electrodes configured to form an electrode junction configured to generate protons in the presence of water to produce a potential difference, the proton battery further including respective charge collectors in contact with the first and second electrodes; the casing configured to inhibit exposure of the electrode junction to water from the surrounding environment when the proton battery is contained within the casing, the casing including a pair of electrical terminals electrically connected to the respective charge collectors of the proton battery, wherein the proton battery is formed as a continuous strip of material, and wherein the casing includes an opening configured to enable a length of the continuous strip to be extracted from the casing.

An apparatus including a proton battery and a casing for the proton battery, the proton battery including first and second electrodes configured to form an electrode junction configured to generate protons in the presence of water to produce a potential difference, the proton battery further including respective charge collectors in contact with the first and second electrodes; the casing configured to inhibit exposure of the electrode junction to water from the surrounding environment when the proton battery is contained within the casing, the casing including a pair of electrical terminals electrically connected to the respective charge collectors of the proton battery, wherein the proton battery is formed as a continuous strip of material, and wherein the casing includes an opening configured to enable a length of the continuous strip to be extracted from the casing.

The disclosure relates to a self-charging device for energy harvesting and storage. The self-charging device for energy harvesting and storage includes a first electrode, a second electrode spaced from the first electrode, a solid electrolyte bridging the first electrode and the second electrode, and a water absorbing structure. The water absorbing structure is located on the second electrode, absorbs water from external environment and transmits the absorbed water to the solid electrolyte.

Example biosensor devices having wake-up batteries and associated methods are disclosed. One example device includes a biosensor that has a first electrode for insertion into a subcutaneous layer beneath a patient's skin, and a second electrode coupled to the first electrode for insertion into the subcutaneous layer, and a first battery to apply a voltage across the first and second electrodes, the first battery at least partially electrically decoupled from the electrodes. The device also includes a second battery having an anode material coupled to the first electrode for insertion into the subcutaneous layer, and a portion of the second electrode. The second battery is activatable upon immersion in an electrolytic fluid. The device also includes a wake-up circuit to receive a signal from the second battery and, in response, to electrically couple the first battery to the first and second electrodes to activate the biosensor.

A battery includes a battery casing defining a chamber therein, and an electrolyte powder disposed in the chamber. The electrolyte powder is configured to surround a zinc material that is separated from the electrolyte powder by a permeable separator sheet. The battery also includes a conductive member having a first end configured for electrical communication with an anode terminal of the battery, and, a second end configured for electrical communication with the zinc material. A conductive layer is also disposed between an inner surface of the casing and the electrolyte powder, the conductive layer being configured for electrical communication with a cathode terminal of the battery. There is also a liquid release mechanism configured for allowing release of a liquid in the chamber to activate an ion flow between the electrolyte powder and the zinc material via the permeable separator sheet.

A battery includes a battery casing defining a chamber therein, and an electrolyte powder disposed in the chamber. The electrolyte powder is configured to surround a zinc material that is separated from the electrolyte powder by a permeable separator sheet. The battery also includes a conductive member having a first end configured for electrical communication with an anode terminal of the battery, and, a second end configured for electrical communication with the zinc material. A conductive layer is also disposed between an inner surface of the casing and the electrolyte powder, the conductive layer being configured for electrical communication with a cathode terminal of the battery. There is also a liquid release mechanism configured for allowing release of a liquid in the chamber to activate an ion flow between the electrolyte powder and the zinc material via the permeable separator sheet.