The energy of single rain drops can now be harnessed to drive electronics by a hydraulic triboelectric nanogenerator.
Energy
Understanding Weather and Climate of the past 300 years from Ships’ Logbooks
Ships’ logbooks dating back to the seventeenth century have helped scientists to capture different features of climate during the last centuries previously unknown.
Using Raindrops to Power Wearable Electronics
Researchers from the University of Science and Technology Beijing report a wearable self-cleaning/charging power system (SPS) that can harvest electrical energy from falling raindrops.
Technoeconomic Assessment of Hydrothermal Liquefaction Oil from Lignin
Lignin is a by-product of the Kraft pulping process and is typically burned for energy within the pulp and paper mill plant. Due to energy efficiency measures in Kraft pulp mills, its availability has recently greatly increased. This surplus lignin provides a readily available feedstock for conversion into a phenolic-rich bio-oil via hydrothermal liquefaction (HTL).
Electrifying Fashion
Working toward a world where your smartphone can be charged by your t-shirt.
Doping for Performance Enhancement: Improved Photocatalysis
Excellent photocatalytic activity is realized after using an ion implanter to dope titanium oxide with carbon and nitrogen.
Personal Mobility and Climate Change
An exploration of how travel can also be understood as something intimately connected to historic, economic and cultural influences.
Protonic Ceramics for Fuel Cells at Intermediate Temperatures
Protonic ceramic fuel cells operate in an intermediate temperature range (300–600 °C), avoiding the problems faced by other fuel cell types. Enhanced peak power densities have now been generated using a microstructured anode and a very thin electrolyte.
Solar-Driven Water Oxidation on Perovskite Oxynitride Photoanodes
Developing strategies to enable solar-light driven splitting of water.
Let’s Get Connected: Understanding Braided River Morphodynamics
There are striking similarities between the structure of natural river networks and others found in systems as diverse as brains, roads and the communication technologies. Using a series of examples, the authors illustrate how a suite of graph theory-based metrics derived from diverse disciplines can be used to provide new insights into the structure and kinematics of braided river networks.
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