Abstract: According to one aspect, a portable electronic device having a heat generating component, a thermal sensor, an energy storage device for powering the portable electronic device, a thermal element thermally coupled to the heat generating component, the energy storage device, and the thermal sensor. The thermal element is sized and shaped so that heat generated by the heat generating component flows through the thermal element towards the thermal sensor and interacts with the energy storage device. The thermal sensor is used to monitor a thermal profile for the thermal element, and the monitored thermal profile is compared with an expected thermal profile to determine if the integrity of the portable electronic device has been compromised.

Abstract: The disclosure is directed at a fuel cell recovery time system for a mobile communication device including a battery for supplying power to the mobile communication device when the device is in a stand-by mode; a fuel cell element including at least two fuel cells, one of the at least two fuel cells being always on and the remaining fuel cells being off in the stand-by mode; wherein the one of at least two fuel cells generates heat to improve operating conditions for the remaining fuel cells in the fuel cell element when the device enters an active mode.

Abstract: A holster for a handheld electronic device. The holster has integrated therein one or more piezoelectric elements that provide an output voltage to the handheld electronic device upon insertion of device in the holster. The output voltage can be used to charge the battery of the device, to power, at least in part, the device, or both. The output voltage is generated by harvesting vibration energy at the piezoelectric elements upon the holster being subjected to acceleration caused by a user carrying the holster when walking, running, or during any other suitable activity.

Abstract: There is provided an apparatus for battery life estimation comprising an energy harvester; an energy storage apparatus, connected to the energy harvester, the energy storage apparatus representative of a unit of measure; a battery for receiving energy from the storage apparatus; and a processor for monitoring the energy provided by the storage apparatus, monitoring energy provided to the battery by other charging apparatus and monitoring the energy being delivered by the battery; wherein the processor calculates the remaining life of the battery based on the number of energy storage apparatus units that are provided to and delivered from the battery.

Abstract: A system and method for determining a charge rate for a battery and a method for charging the battery. The system having a memory component for storing user attributes relating to use patterns based on time of day; and a processor for determining the charge rate in accordance with the user attributes. The method for determining the charge rate consist of receiving indication that the battery is to be charged; and determining the charge rate based on user attributes relating to use patterns based on time of day. The method for charging the battery further includes charging the charge rate to the battery.

Abstract: Various embodiments are described herein for an electrode assembly for a battery and a method of making the electrode assembly. The electrode assembly comprises an active material layer having a recess formed therein at an outer surface of the active material layer, the recess extending from a side facet of the active material layer toward an interior portion of the active material layer; a current collector layer supported on and in electrical contact with the outer surface of the active material layer; and a tab element supported partially within the recess and in electrical contact with at least one of the active material layer and the current collector layer, the tab element being adapted to provide an electrical connection for the electrode assembly.

Abstract: A method and system for programming rechargeable battery characteristics is provided. The system having: a memory component for storing user profiles; a power management integrated circuit; and a processor for retrieving the user profiles and directing power from the battery to the power management integrated circuit in accordance with the user profiles. The method consists of: determining the type of battery; retrieving user profiles stored in a memory component; and adjusting the battery characteristics according to the user profiles.

Abstract: Various embodiments are described herein for an electrode assembly for a stacked-cell battery. The electrode assembly comprises a first active material layer; a first current collector layer adjacent to and in electrical contact with an outer surface of the first active material layer; a tab element having an end lead portion and a second lead portion, the end lead portion being in electrical contact with at least one of the first active material layer and the first current collector layer, and the second lead portion extending away from the end lead portion and being substantially adjacent to a surface of at least one of the first active material layer and the first current collector layer and is adapted to provide an electrical connection to the electrode assembly; and an insulative layer covering an inner contact area of the second lead portion to electrically insulate this portion of the tab element.

Abstract: The disclosure is directed at a method and system for improving the efficiency of fuel cells by removing impediments within the fuel cell channel. The system includes at least one sensor and a processor for determining when a gas, such as carbon dioxide, concentration level has surpassed a maximum threshold. The processor then activates an impediment removing element to remove or release gas bubbles within the fuel cell channel which are blocking reaction sites or fuel flow.

Abstract: A wireless charging system having a battery with at least one cell, a receiving coil wrapped around the at least one cell and a charger having a transmitting field designed to couple with the receiving coil of the battery. A battery is further described having at least one cell and having a receiving coil wrapped around at least one cell.

Abstract: The disclosure is directed at the use of an energy generator system, containing a thermal electric generator (TEG), within a portable device, such as a mobile communication device, to recover waste heat within the device. This waste heat may then be recovered in the form of electricity that can then be use for various applications such as for powering the portable device or recharging a power source.

Abstract: The disclosure is directed at a method and apparatus for controlling fuel cell operating conditions. The apparatus includes a set of sensors for monitoring the fuel cell operating conditions and a processing unit, in communication with the set of sensors for determining when the fuel cell operating conditions are outside of an acceptable range. When it is determined that the fuel cell operating conditions are outside of the acceptable range, an electrolyser is activated to electrolyse waste liquid water or water vapour to assist in controlling the fuel cell operating conditions.

Abstract: There is provided a power source system which includes a self-charging system. In one embodiment, the power source system is used to power portable devices and may include a power source such as a set of rechargeable batteries or a battery pack. The power source system comprises a self-charging system which includes an energy harvester operatively connected to a vibrational energy source such as a plurality of piezoelectric elements (piezos). The piezos preferably include a plurality of cantilevers which are composed of a piezoelectric material which may be the same or may be different from the substrate material of the piezos.

Abstract: In at least one embodiment, a power management module measures different observable quantities of a battery, such as terminal voltage or current, and measures a voltage response of the battery based upon the measurements. The measured voltage response of the battery is compared to a plurality of reference voltage responses, which may be determined for authentic batteries, for example. If the measured voltage response corresponds to each of the reference voltage responses, the battery is authenticated for use with an electronic device. If necessary, additional voltage responses may be measured and compared against corresponding reference voltage responses until the battery is authenticated by a sufficient number of corresponding responses. A relative condition of the battery, such as an age or state of health, may also be estimated based on the measured voltage response of the battery.

Abstract: In at least one embodiment, a power management module measures an electromagnetic radiation spectrum or a voltage response of a battery module. The measured electromagnetic radiation spectrum or voltage response of the battery is compared to a plurality of reference electromagnetic radiation spectrums or voltage responses, respectively, which may be determined for authentic batteries, for example. A relative condition of the battery, such as an age or state of health, may be estimated based on the measured electromagnetic radiation spectrum or voltage response of the battery module, and stored in a memory store. The rate of change of the relative condition of the battery over a period of time may be determined to identify potential defects in the battery.

Abstract: Diagnostic use of physical and electrical battery parameters is made to enhance battery authentication and security. A power management module measures an electromagnetic radiation spectrum of a battery module based on signal strengths of the electromagnetic radiation detected at one or more antennas. The measured electromagnetic radiation spectrum of the battery is compared to a reference electromagnetic radiation spectrum, which may be specified for authentic batteries, for example. If the measured electromagnetic radiation spectrum corresponds to the reference electromagnetic radiation spectrum, the battery is authenticated for use with the mobile communication device. A relative condition of the battery, such as an age or state of health, may also be estimated based on the measured electromagnetic radiation spectrum of the battery module.

Abstract: The current disclosure is directed at a method and apparatus for starting of a fuel cell within a mobile communication device under emergency. In one embodiment, the emergency starting apparatus includes a fuel cell starter, such as a piezoelectric element, as an integrated fuel cell starter.

Abstract: A holster for a handheld electronic device. The holster has integrated therein one or more piezoelectric elements that provide an output voltage to the handheld electronic device upon insertion of device in the holster. The output voltage can be used to charge the battery of the device, to power, at least in part, the device, or both. The output voltage is generated by harvesting vibration energy at the piezoelectric elements upon the holster being subjected to acceleration caused by a user carrying the holster when walking, running, or during any other suitable activity.

Abstract: A holster for a handheld electronic device. The holster has integrated therein one or more piezoelectric elements that provide an output voltage to the handheld electronic device upon insertion of device in the holster. The output voltage can be used to charge the battery of the device, to power, at least in part, the device, or both. The output voltage is generated by harvesting vibration energy at the piezoelectric elements upon the holster being subjected to acceleration caused by a user carrying the holster when walking, running, or during any other suitable activity.

Abstract: A method of hot-swapping in a portable electronic device having at least two power sources comprising determining one of the at least two power sources requires replacement; confirming that the portable electronic device is being powered by another of the at least two power sources; and transmitting an indication that the power source requiring replacement may be replaced without shutting down the portable electronic device.