Power/Performance Bits: June 5


Self-assembled battery Researchers at Cornell University developed a self-assembling battery capable of near-instant charging. Instead of having the batteries' anode and cathode on either side of a nonconducting separator, the team's new approach intertwines the components in a self-assembling, 3D gyroidal structure, with thousands of nanoscale pores filled with the elements necessary for e... » read more

Power/Performance Bits: April 24


Waste heat to power Engineers at the University of California, Berkeley, developed a thin-film system that can be applied to electronics to turn waste heat into energy. The thin-film system uses pyroelectric energy conversion, which is well suited for tapping into waste-heat energy supplies below 100 degrees Celsius, called low-quality waste heat. In particular, the technology might be part... » read more

Power/Performance Bits: Apr. 10


Lithium-air battery Researchers at the University of Illinois at Chicago and Argonne National Laboratory designed a new lithium-air battery that works in a natural air environment and still functioned after 750 charge/discharge cycles, a record for this battery type. In theory, lithium-air batteries work by combining lithium present in the anode with oxygen from the air to produce lithium p... » read more

Where Is Energy Harvesting?


With power management a top priority in sensor networks, why is energy harvesting—a proven technology with diverse energy sources—conspicuously absent from sensor designs that are the foundation of the Internet of Things? [getkc id="165" kc_name="Energy harvesting"] always has been a promising answer to the limits of battery power. The idea that a device can run for much longer periods o... » read more

Better Living Through Microelectronics


The recently completed 2018 Winter Olympic Games left many of us in awe of the athleticism on display. But this month’s 2018 Winter Paralympic Games, also being held in PyeongChang, South Korea, could be an even more impressive showcase of both skills and heart. Competitors from around the world will include athletes with a range of physical, intellectual and visual disabilities. Of course, t... » read more

Power/Performance Bits: Feb. 27


Encryption chip A team at MIT developed a new chip to lower the power consumption of public-key cryptography for IoT devices. Software execution of encryption protocols require more energy and memory space than embedded IoT sensors can typically spare, given the need to maximize battery life. The new chip is hardwired to perform public-key encryption and consumes only 1/400 as much power as... » read more

Power/Performance Bits: Feb. 20


Wireless TENG Researchers at Clemson University developed a wireless triboelectric nanogenerator, or W-TENG, that can also act as a battery-free remote. The key to triboelectric nanogenerators is using materials that are opposite in their affinity for electrons so they generate a voltage when brought in contact with each other. For the W-TENG, one electrode was constructed of a multipart... » read more

The Quantum Man Effect


Recently I saw an art exhibit by one of my favorite artists, Julian Voss-Andreae, a German-born sculptor now living and working in Portland, Oregon. In addition to sculpting, he has studied physics, mathematics and philosophy. His background in science has informed and influenced his career in the arts, leading to his creation of pieces such as protein sculptures, based on frames of a protein f... » read more

Top Takeaways From SEMI-MSIG MEMS & Sensors Executive Congress 2017


The MEMS and sensors sector has been talking about smarter, lower power devices forever, but this year’s recent SEMI-MSIG Executive Congress stressed the market drivers and the emerging technologies that look to bring those changes to the market. Ubiquitous sensing now demands lower power for its always-aware sensors to be useful, while acoustic wave and piezoelectric technologies are emer... » read more

How To Build An IoT Chip


Semiconductor Engineering sat down to discuss IoT chip design issues with Jeff Miller, product marketing manager for electronic design systems in the Deep Submicron Division of [getentity id="22017" e_name="Mentor, a Siemens Business"]; Mike Eftimakis, IoT product manager in [getentity id="22186" e_name="Arm"]'s Systems and Software Group; and John Tinson, vice president of sales at Sondrel Ltd... » read more

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