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Such high-charging rates are possible only with some battery types. Others will be damaged or possibly overheat or catch fire. Some batteries may even explode. [9] For example, an automobile SLI (starting, lighting, ignition) lead–acid battery carries several risks of explosion. A newer type of charger is known as a solid-state charger.
Charge injection, where hot carriers generated by avalanche breakdown are injected into the oxide layer. Catastrophic ESD failure modes include: Junction burnout, where a conductive path forms through the junction and shorts it; Metallisation burnout, where melting or vaporizing of a part of the metal interconnect interrupts it
An inductive charging proponent from Toyota contended in 1998 that overall cost differences were minimal, while a conductive charging proponent from Ford contended that conductive charging was more cost efficient. [49] From 2010 onwards car makers signaled interest in wireless charging as another piece of the digital cockpit.
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When overheating, the temperature of the part rises above the operating temperature. Overheating can take place: if heat is produced in more than expected amount (such as in cases of short-circuits, or applying more voltage than rated), or; if heat dissipation is poor, so that normally produced waste heat does not drain away properly.
A heatsink's thermal mass can be considered as a capacitor (storing heat instead of charge) and the thermal resistance as an electrical resistance (giving a measure of how fast stored heat can be dissipated). Together, these two components form a thermal RC circuit with an associated time constant given by the product of R and C. This quantity ...
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Fan cooling is often used to cool processors and graphics cards that consume significant amounts of electrical energy. In a computer, a typical heat-generating component may be manufactured with a flat surface. A block of metal with a corresponding flat surface and finned construction, sometimes with an attached fan, is clamped to the component.