Energy

Energy Storage

Browse the latest developments, applications, and technical briefs covering all types of energy storage systems, renewable energy storage methods, and energy accumulators.

Latest Briefs & News

Question of the Week : Energy
Does Snow Have Power Potential?

A 2019 Tech Briefs story demonstrated a plastic-like, flexible nanongenerator that creates electricity from falling snow.

Briefs : Energy
Low-Cost Thermoelectric Material Works at Room Temperature

The widespread adoption of thermoelectric devices that can directly convert electricity into thermal energy for cooling and heating has been hindered, in part, by the lack of materials that are both inexpensive and highly efficient at room temperature. A new material was developed that...

Q&A : Mechanical & Fluid Systems
Q&A: A Circulatory System for Robots

Robert F. Shepherd is Associate Professor of Mechanical and Aerospace Engineering at Cornell University in Ithaca, NY. He is leading a team exploring the use of hydraulic fluids in soft robots to also serve as a source of energy.

Blog : Energy
How to Generate Electricity — From Rust
How to Generate Electricity — From Rust

Scientists from Caltech and Northwestern University have found a way to generate electricity by combining saltwater with one of life's more undesirable compounds: rust.

How to Generate Electricity — From Rust
Briefs : Energy
Technique Identifies Electricity-Producing Bacteria
Technique Identifies Electricity-Producing Bacteria

Certain species of bacteria that exist in oxygen-deprived environments must find a way to breathe that doesn't involve oxygen. These microbes — which can be found deep within mines, at...

Technique Identifies Electricity-Producing Bacteria
Briefs : Wearables
Organic Semiconductor Thin-Film Sensors Detect Disease Markers in Breath
Organic Semiconductor Thin-Film Sensors Detect Disease Markers in Breath

Organic semiconductors (OSCs) have emerged as a new class of electronic materials promising a wide range of applications including organic field-effect transistors...

Organic Semiconductor Thin-Film Sensors Detect Disease Markers in Breath
Briefs : Manufacturing & Prototyping
Combustion Gas Heat Exchanger
Combustion Gas Heat Exchanger

Two very challenging problems facing the U.S. and the world are energy security and global climate change, largely due to dependence on fossil fuels. Cost-effective technologies have been developed that are...

Combustion Gas Heat Exchanger
Briefs : Energy
High-Temperature Dielectric Nanocomposite

A nanocomposite was developed that could be a superior high-temperature dielectric material for flexible electronics, energy storage, and electric devices. The nanocomposite combines one-dimensional polymer nanofibers and two-dimensional boron nitride nano-sheets. The nanofibers reinforce the...

Briefs : Electronics & Computers
Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries
Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries

Lithium-air batteries are poised to become the next replacement for currently used lithium-ion batteries that power electric vehicles, cell-phones, and computers....

Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries
Briefs : Materials
Hybrid Cathodes Could Boost Energy Capacity of Lithium Batteries
Hybrid Cathodes Could Boost Energy Capacity of Lithium Batteries

Today's lithium-ion batteries use cathodes (one of the two electrodes in a battery) made of a transition metal oxide. Batteries with cathodes made of sulfur are considered a...

Hybrid Cathodes Could Boost Energy Capacity of Lithium Batteries
Facility Focus : Energy
Facility Focus: National Energy Technology Laboratory
Facility Focus: National Energy Technology Laboratory

The National Energy Technology Laboratory (NETL) is a U.S. Department of Energy (DOE) national laboratory — with sites in Anchorage, AK; Albany, OR; Morgantown, WV; and Pittsburgh, PA...

Facility Focus: National Energy Technology Laboratory
Briefs : Wearables
Wearable Liquid Unit Harvests Energy
Wearable Liquid Unit Harvests Energy

Researchers have created wearable technology to convert mechanical energy into electrical energy. It presents a step toward the practical realization of self-powered, human-integrated technologies.

Wearable Liquid Unit Harvests Energy
Briefs : Energy
Process Directly Converts Methane to Methanol
Process Directly Converts Methane to Methanol

Methanol is a key feedstock for the production of chemicals, some of which are used to make products such as plastics, plywood, and paints. Methanol also can fuel vehicles or be reformed to...

Process Directly Converts Methane to Methanol
Blog : Test & Measurement
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Our readers ask: How do you know that you have the right anode? How can you inspect the electrolyte or electrode material?
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Briefs : Energy
Fuel Cell Technology Runs on Solid Carbon
Fuel Cell Technology Runs on Solid Carbon

Whereas hydrogen fuel cells (e.g., proton exchange membrane (PEM) and other fuel cells) generate electricity from the chemical reaction between pure hydrogen and oxygen, direct carbon fuel cells...

Fuel Cell Technology Runs on Solid Carbon
Briefs : Data Acquisition
Aircraft Engine Icing Event Avoidance and Mitigation
Aircraft Engine Icing Event Avoidance and Mitigation

Innovators at NASA’s Glenn Research Center have developed a new means of avoiding and mitigating icing events for aircraft flying above 14,000 feet, dramatically improving aviation...

Aircraft Engine Icing Event Avoidance and Mitigation
Briefs : Test & Measurement
Graphene Lid Extends Photoemission Electron Microscopy to Liquids
Graphene Lid Extends Photoemission Electron Microscopy to Liquids

By capping liquids with graphene (an ultrathin sheet of pure carbon), researchers can easily image and analyze liquid interfaces and the surface of nanometer-scale objects...

Graphene Lid Extends Photoemission Electron Microscopy to Liquids
Briefs : Electronics & Computers
Thin-Film System Converts Heat from Electronics into Energy
Thin-Film System Converts Heat from Electronics into Energy

Nearly 70 percent of the energy produced in the United States each year is wasted as heat. Much of that heat is less than 100 °C and emanates from things like computers, cars, or...

Thin-Film System Converts Heat from Electronics into Energy
Blog : Green Design & Manufacturing
From LASER World of PHOTONICS 2019: Light as the Key to Global Sustainability
From LASER World of PHOTONICS 2019: Light as the Key to Global Sustainability
The increased use of photonics has the potential to reduce CO2 emissions — by 3-billion tons.
From LASER World of PHOTONICS 2019: Light as the Key to Global Sustainability
Blog : Mechanical & Fluid Systems
How to Produce More Clean Water? Resemble the Rose.
How to Produce More Clean Water? Resemble the Rose.
A new water purifier works better because it takes the shape of the rose.
How to Produce More Clean Water? Resemble the Rose.
INSIDER : Energy
Flexible Generators Turn Movement into Energy
Flexible Generators Turn Movement into Energy

Wearable devices that harvest energy from movement are not a new idea, but a material created at Rice University may make them more practical.

Flexible Generators Turn Movement into Energy
Special Reports : Transportation
Vehicle Electrification

Demand for electric vehicles is accelerating, with several major automakers announcing that their entire lineups will either be hybrid or all-electric by the 2020's. To help you keep pace with the rapid changes in vehicle electrification technology, we present this compendium of recent articles from the editors of...

Briefs : Electronics & Computers
Diagnose Lithium Batteries
Diagnose Lithium Batteries

Batteries with metallic lithium anodes offer enhanced efficiency compared to conventional lithium-ion batteries because of their higher capacity. However, safety concerns and a short lifespan stand in the way. To...

Diagnose Lithium Batteries
Briefs : Semiconductors & ICs
Using Laser Metal Printing to Cool Computer Chips

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to be attached to the CPU or the graphics processor via a thermal interface material such as thermal paste. It...

Articles : Materials
Products of Tomorrow: June 2019
Products of Tomorrow: June 2019

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Products of Tomorrow: June 2019
Briefs : Energy
Graphene Coating Takes Oxygen Out of Lithium Battery Fires
Graphene Coating Takes Oxygen Out of Lithium Battery Fires

Lithium batteries allow electric vehicles to travel several hundred miles on one charge. Their capacity for energy storage is well known — so is their tendency to occasionally...

Graphene Coating Takes Oxygen Out of Lithium Battery Fires
Briefs : Energy
Wood-Based Technology Creates Electricity from Heat

Researchers have transformed a piece of wood into a flexible membrane that generates energy from the same type of electric current (ions) on which the human body runs. This energy is generated using charged channel walls and other unique properties of the wood’s natural nanostructures. With...

Briefs : Transportation
Battery Electrolyte Doubles Driving Range for Electric Vehicles

Conventional electrolytes used in lithium-ion batteries that power household electronics like computers and cellphones are not suitable for lithium-metal batteries. Lithium-metal batteries that replace a graphite electrode with a lithium electrode are the holy grail of energy...