Electricity, electronics parallel development of two fields
Power semiconductor devices in the early stages of its development (in the 1960s -80) are mainly used in industrial and power system, the last 20 years, with 4 C industries (communications, computers, consumer electronics, automotive) The vigorous development of power semiconductors The application of the device significantly to the [...]
Archive for March, 2009
Power Semiconductor power management chip the first speed increase
March 24th, 2009
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French researchers develop hydrogen fuel cell mobile phones
March 24th, 2009
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PARIS (AFP) - French researchers on Wednesday said they reserve the power for mobile phones has created a hydrogen fuel cell, as mitigation for the electricity supply dependent on the sale of small accessories.
According to the Atomic Energy Commission and the researchers CEW briefing to the press, micro fuel cells use hydrogen filling small boxes [...]
The balance of rechargeable batteries
March 24th, 2009
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Both necessary and sufficient manner by the current set-voltage charge of the implementation of phase II trial showed that this charging method of charging more efficient, commonly used for domestic and foreign. The current charge for the end-voltage balance criterion, in theory, is consistent with the understanding that the activity should be based on positive [...]
