tag: solar

Power/Performance Bits: Dec. 3
By Jesse Allen - 03 Dec, 2019 - Comments: 0

Waking up IoT devices Researchers at UC San Diego developed an ultra-low power wake-up receiver chip that aims to reduce the power consumption of sensors, wearables, and Internet of Things devices that only need to communicate information periodically. "The problem now is that these devices do not know exactly when to synchronize with the network, so they periodically wake up to do this eve... » read more

October ’19 Startup Funding: Mega Harvest
By Jeff Dorsch - 11 Nov, 2019 - Comments: 0

Seventeen startups took in mega-rounds of $100 million or more during October, with a cumulative total of just over $3.2 billion. Cybersecurity startups continued to be popular with private investors during the month of October, with 15 financing rounds. Twenty automotive and mobility technology firms picked up new investments. Analytics firms, artificial intelligence/machine learning techno... » read more

Power/Performance Bits: Oct. 1
By Jesse Allen - 01 Oct, 2019 - Comments: 0

Nighttime power Researchers at UCLA and Stanford University created a low-cost device that harnesses radiative cooling to provide a small amount of renewable energy at night. While the device only provides a small amount of power, it could be useful for areas without reliable electricity or access to batteries. Radiative cooling happens when a surface that faces the sky emits heat as therma... » read more

Power/Performance Bits: Sept. 17
By Jesse Allen - 17 Sep, 2019 - Comments: 0

Silicon thermoelectrics Researchers at the University of Texas at Dallas and Texas Instruments developed a new method for thermoelectric generation that could be used with electronics to convert waste heat into reusable energy. "In a general sense, waste heat is everywhere: the heat your car engine generates, for example," said Mark Lee, professor and head of the Department of Physics at UT... » read more

Power/Performance Bits: Sept. 3
By Jesse Allen - 03 Sep, 2019 - Comments: 0

Nylon capacitor Researchers at the Max Planck Institute for Polymer Research, Johannes Gutenberg University of Mainz, and Lodz University of Technology developed a way to fabricate ferroelectric nylon thin-film capacitors. Nylons consist of a long chain of polymers and, along with use in textiles, exhibit ferroelectric properties. However, electronic applications have been limited as there ... » read more

Power/Performance Bits: Aug. 5
By Jesse Allen - 05 Aug, 2019 - Comments: 0

Biofuels from microorganisms Researchers at Uppsala University are working on adapting microorganisms to be capable of producing useful biofuels out of carbon dioxide and solar energy. The team is focused on a series of modified cyanobacteria that produces the alcohol butanol, said Pia Lindberg, Senior Lecturer at the Department of Chemistry Ångström Laboratory, Uppsala University. "When ... » read more

Power/Performance Bits: July 23
By Jesse Allen - 23 Jul, 2019 - Comments: 0

Image-recognizing glass Engineers at the University of Wisconsin-Madison, MIT, and Columbia University developed a way to create 'smart' glass capable of performing image recognition tasks without the need for electronics or power. "We're using optics to condense the normal setup of cameras, sensors and deep neural networks into a single piece of thin glass," said Zongfu Yu, electrical and ... » read more

Power/Performance Bits: June 10
By Jesse Allen - 10 Jun, 2019 - Comments: 0

Quantum dots plus perovskites Researchers at the University of Toronto and KAUST created a hybrid material for solar cells that utilizes both perovskites and quantum dots. Both quantum dots and perovskites suffer from instability: perovskites degrade quickly and certain types become incapable of fully absorbing solar radiation at room temperature, while quantum dots must be covered with a p... » read more

Power/Performance Bits: May 6
By Jesse Allen - 06 May, 2019 - Comments: 0

Compressing objects Computer scientists at MIT propose a way to improve data compression in memory by focusing on objects rather than cache lines. "The motivation was trying to come up with a new memory hierarchy that could do object-based compression, instead of cache-line compression, because that's how most modern programming languages manage data," said Po-An Tsai, a graduate student at... » read more

Power/Performance Bits: April 30
By Jesse Allen - 30 Apr, 2019 - Comments: 0

Printed supercapacitors Researchers at Drexel University and Trinity College created ink for an inkjet printer from MXene, a highly conductive two-dimensional material, which could be used to print flexible energy storage components, such as supercapacitors, in any size or shape. The material shows promise as an ink thanks to its high conductivity and ability to apply easily to surfaces usi... » read more

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