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Your destination for advances in renewable energy, energy storage technologies, and trends in portable solar power, energy harvesting, wind power, and alternative energy. Design engineers will find the latest applications and multimedia resources including videos, white papers, webinars, and technical briefs.

Briefs: Energy
In batteries, electrolyte is the circulating “blood” that keeps the energy flowing. The electrolyte forms by dissolving salts in solvents, resulting in charged ions that flow between the positive and negative electrodes.
Briefs: Energy
A team of researchers at EMPA have developed a water-activated disposable paper battery.
Briefs: Aerospace
An experimental plant-based jet fuel could increase engine performance and efficiency, while dispensing with aromatics, the pollution-causing compounds found in conventional fuels.
Briefs: Energy
The work could lead to improvements in the energy density of lithium batteries that power electric vehicles.
Briefs: Energy
In tests, the proof-of-concept batteries retained 87.5 percent and 115.9 percent of their energy capacity at -40 °C and 50 °C (-40 °F and 122 °F), respectively.
Briefs: Green Design & Manufacturing
Over the course of their research, the team discovered that these anthraquinones decompose slowly over time, regardless of how many times the battery has been used.
Issue Archive: Aerospace
2022 September August July June May April March February January 2021 December November October ...
INSIDER: Energy

Purdue University engineers have designed a low-speed, high-torque powertrain system to reduce the operation costs, maintenance costs, and environmental...

INSIDER: Propulsion

With the perpetual motion of its waves and tides, the Earth's ocean represents a highly predictable, theoretically limitless source of kinetic energy.

Blog: Materials
A treatment for floc sludge transforms it to an electrode material usable for high-performance capacitors.
Q&A: Energy
A new kind of optical concentrator can passively focus the sun onto a photovoltaic cell from any angle to reduce the amount of photovoltaic material needed for a given amount of power generation.
Articles: Green Design & Manufacturing
A solar thermal device mimics photosynthesis to convert carbon dioxide emissions into a clean energy resource.
Briefs: Research Lab
Have we found a better alternative to lithium-ion batteries?
Articles: Power
The largest battery and electric vehicle technologies trade show in North America.
White Papers: Test & Measurement
Autoranging: Theory of Operation

Programmable DC power sources are an essential tool in product development and production testing. Functional test often requires submitting the device-under-test (DUT) to a wide range of operating...

White Papers: Power
Simulating Solar Cells with A Bidirectional DC Power Supply

As the effects of climate change intensify, carbon-neutral, renewable energy sources become more important. Since solar cells convert sunlight to electrical energy with low...

Special Reports: Internet of Things
Power Electronics - August 2022

This compendium of recent articles from the editors of Tech Briefs and Aerospace & Defense Technology looks at the latest advances in power electronics and energy storage for a range of applications...

Briefs: Electronics & Computers
A simple change to the surface of perovskite removes a barrier to its functionality.
Briefs: Energy
Additional applications include defogging/defrosting, wearable devices, industrial heat systems, sensors, thermochromic displays, and microfluidic chips.
Briefs: Energy
The material remains effective as an energy harvester or sensor at temperatures to well above 572°F.
Briefs: Power
Advanced analyses shed light on the mechanism of a deadly problem plaguing combustion chambers in rocket engines.
Briefs: Energy
Vanillin is converted into a redox-active electrolyte material for liquid batteries.
Briefs: Energy
Scientists have been trying for years to create biofuels and other bioproducts more cheaply.
Briefs: Energy
The device uses a thermoelectric module to generate voltage and current from the temperature gradient between the cell and the air.
Briefs: Energy
The National Renewable Energy Laboratory is leading the development of new lithium-ion (Li-ion) battery designs specific to the stationary storage requirements.
Briefs: Green Design & Manufacturing
The design could someday enable a fully decarbonized power grid.
Briefs: Energy
A highly sensitive system for detecting the production of hydrogen gas can foster the development of hydrogen as an alternative to fossil fuels.
Briefs: Energy
Hydrogen has emerged as an important carrier to store energy generated by renewable resources, as a substitute for fossil fuels used for transportation, in the production of ammonia, and for other industrial applications.
Special Reports: Power
Vehicle Electrification - July 2022

Innovation is happening at a rapid pace in the e-mobility space. Read this compendium of recent articles from the editors of Automotive Engineering and Truck & Off-Highway Engineering to learn about...

Videos