Plants turn water into electricity as hydrovoltaic devices reach 1.2 volts
A review finds that plant-based hydrovoltaic devices typically deliver 0.2 to 1.2 volts, with raw plant tissues producing currents from ...
Tag: power density
Hydrogen Fuel Cells Aim for the Sky in New Aviation Research Push
UBC Okanagan researchers and Unilia Fuel Cells are launching a $10.6-million project to design lighter, more durable hydrogen fuel cells ...
Iron-Nitrogen Carbon Nanosheets Match Platinum in Microbial Fuel Cell Electrodes
A new iron carbide and iron nitride carbon nanosheet catalyst matches platinum's oxygen reduction performance in microbial fuel cells while ...
Energy Back Transfer Turns Green Upconversion Yellow in Yb-Rich Erbium Crystals
A new study shows how energy back transfer from Er3+ to Yb3+ ions shifts upconversion luminescence from green to yellow ...
15% TiO2 Boosts Fluorine-Free Fuel Cell Membrane Performance Under Humidity
A phosphonated PVA–boric acid membrane with 15 wt% TiO2 achieved 0.030 S cm−1 proton conductivity and 0.48 W cm−2 peak ...
Nickel-Doped MoS2 Nanoparticles Improve Supercapacitor Electrode Performance
A laboratory study found that 6% nickel-doped MoS2 reached 1,210 F/g in a three-electrode test and 121 Wh/kg in an ...
NiTe–MoS2/rGO electrode reaches 782 farads per gram in laboratory testing
A laboratory NiTe–MoS2/rGO supercapacitor electrode achieved 782 farads per gram and retained 87% of its initial capacity after 5,000 cycles.
Why Electric Motors Are Now Spinning Faster Than Ever Before
A new review maps the electromagnetic, mechanical, thermal, and control challenges that define the limits of ultra-high-speed electric drive systems ...
Virtual Machine and Passivity Control Tame Dangerous Voltage Swings in DC Power Converters
Chinese researchers combined virtual DC machine control with passivity-based control to cut bus-voltage deviations by up to 91.7 percent in ...
High-Power Lasers Outshine Low-Level Therapy for Deep-Tissue Pain, Landmark Review Finds
A meta-analysis of 105 controlled trials finds that Class IV high-intensity laser therapy delivers large, durable pain relief and structural ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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