Dendrites have long since plagued lithium-ion batteries with problems that not only shorten their lifespans, but in some situations can be outright dangerous. Here’s how recent research efforts have contributed to the fight against these microscopic adversaries.
15 hours ago by Luke James
Thermoelectric coolers (TECs) are increasingly replacing traditional refrigeration technology. But despite all the virtues of TECs, these devices are not without limitations.
November 12, 2020 by Antonio Anzaldua Jr.
A recently-released reference design for a GaN-based QR adaptor opens a discussion: How do quasi-resonant flyback converters work? And what are the virtues and limitations of designing a GaN-based power converter?
August 13, 2020 by Steve Arar
Batteries make for bulky, uncomfortable implants that may require surgery for replacement. This wireless transmitter is said to consume "the lowest amount of energy per digital bit published to date."
August 08, 2020 by Tyler Charboneau
A pacemaker battery must be replaced every 5 to 15 years. Researchers at GIST in Korea have developed a novel photonic wireless system to power medical implants—no surgery required.
July 16, 2020 by Jake Hertz