A mobile device case is described that comprises an outer shell, a blade and one or more integrated display screens. The case is reversible in that a user can place a mobile device within the case in either of a forward or backward orientation while maintaining functionality on the display screen of the mobile device and/or on the one ...

A battery driven system has a secondary battery, a main unit, a switch provided on a power source path or a signal path of the main unit, an impedance measurement circuit, a memory circuit, and an authentication circuit. The impedance measurement circuit measures the impedance of the secondary battery. The memory circuit holds a preset impedance characteristic of the secondary ...

A battery control apparatus includes: a controller configured to control a switch network to control a connection between a converter and a first battery included in a battery group, among batteries, based on switching time information set to correspond to the first battery, wherein the switching time information is set based on a ratio between first state difference information of ...

An electrical breaker responsive to a fault condition is disclosed. A thermally-activated switch can be disposed between a first terminal and second and third terminals of the breaker. The switch can have a normal operating condition in which the first terminal is electrically connected to the second terminal. The switch can have a fault condition in which the first terminal ...

A sensing circuit, a vehicular battery pack using a sensing circuit, a method of protecting a circuit with a fuse and a method of providing battery power to a vehicle. The sensing circuit includes the fuse, which is made up of a main element and a sensing element such that the sensing element defines a pre-open detection capability through at ...

Various examples are directed to integrated circuits and/or controllers for battery packs. An integrated circuit for managing at least a portion of a battery pack comprises a first cell controller. The first cell controller may comprise a first switch system, a first local controller, a first receive terminal to receive a first command from a preceding cell controller, and ...

Devices, systems, and techniques for identifying a dendrite material within a battery. The method comprising receiving, by a battery management system, an output from sensing circuitry within the battery indicative of a first voltage level, detecting, by the battery management system, a change from the first voltage level to a second voltage level that is indicative of an internal short ...

A sodium molten salt battery includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, a separator provided between the positive electrode and the negative electrode, and a molten salt electrolyte having sodium ion conductivity, in which the negative electrode active material contains hard carbon and is pre-doped with sodium ions, ...

A bipolar battery plate for a bipolar battery is disclosed. The bipolar battery plate has a frame, a substrate positioned within the frame, a first lead layer positioned on one side of the substrate, a second lead layer positioned on another side of the substrate, a positive active material (pam) positioned on a surface of the first lead layer, and ...

A one-step method to prepare a magnesium electrolyte salt is provided. According to the method, the magnesium electrolyte is obtained by reacting a grignard reagent and a fluorinated aryl borane. In addition, formation of monomeric or dimeric magnesium ion is determined by the choice of the grignard reagent. The magnesium electrolyte may be non-chlorinated and non-corrosive. A magnesium battery containing ...

According to one embodiment, a solid electrolyte secondary battery includes a positive electrode containing an active material, a negative electrode containing an active material, and a solid electrolyte layer. The solid electrolyte layer includes a lithium-ion conductive sulfide containing at least one element selected from a group consisting of al, si, fe, ni, and zr, the total content of the ...

A method of operating an iron redox flow battery system may comprise fluidly coupling a plating electrode of an iron redox flow battery cell to a plating electrolyte; fluidly coupling a redox electrode of the iron redox flow battery cell to a redox electrolyte; fluidly coupling a ductile plating additive to one or both of the plating electrolyte and the ...

A non-aqueous electrolyte battery includes bi-polar electrodes and non-aqueous electrolyte layers. Each electrode has a pyroelectric member and positive-pole and negative-pole active material layers on one and the other surfaces of the member. In the electrode, a position of the positive-pole layer does not overlap a position of the negative-pole layer in a thickness direction of the member. A laminated ...

In an example of a method for improving a life cycle of a battery containing a lithium-silicon negative electrode, the battery is provided. The battery includes a positive electrode; the lithium-silicon negative electrode, which has at least 10% of its capacity attributed to a silicon-based active material; a separator positioned between the positive and negative electrodes; and an electrolyte. The battery ...

A planar conductor is cut along first, second, and third cutting lines. The first cutting lines extend in a direction orthogonal to the longitudinal direction of the planar conductor and cut the planar conductor into a plurality of busbars. The second cutting lines extend in the longitudinal direction of the planar conductor and along which every other joint portion of ...

A busbar module and a battery pack include busbars each having connection portions protruding toward electrode terminals relative to a base portion located between the connection portions. In the busbar module, for example, the connection portions each share a boundary with the base portion. The boundary extends in a direction orthogonal to a direction in which the busbars are aligned. ...

A battery casing includes a battery container and a thermal barrier coating (tbc) disposed onto a surface of the battery container. The tbc is a thermal insulator.

A solar battery module is provided with a plurality of solar cells, a wiring material for connecting adjacent solar cells in the longitudinal directors to form strings, and a reflective body disposed on the rear-surface side of the solar cells, said body reflecting at least some incident light toward the solar cells. In the solar battery module, the strings are ...

A system for calculating total lifecycle costs for a building energy management system includes lifecycle costs for a grid-scale battery system. The system includes a battery lifecycle optimizer configured to provide an optimal battery configuration for a building and a building energy system controller. The building energy system controller receives optimum battery configuration information, information relating to the heat ventilation ...

This disclosure discloses a method and electronic device for allocating dynamic memory resources, wherein the method includes the following steps: acquiring a memory resource allocation request of an application; judging whether a condition that the bandwidth of the dynamic memory to be allocated is restricted to partial bandwidth is met or not; and if the condition is met, then allocating ...

Systems and methods are disclosed for estimating a full-charge battery cell capacity without a coulomb counting device. First and second measured voltages of the battery cell are measured during a charging or discharging period. The first and second measured voltages of the battery cell are converted to percentages of remaining battery life. The amount of charge delivered to the battery ...