2023 Battery Show North America Opens as Automakers, Suppliers Intensify Battery Investments

As the world’s major auto markets begin an inexorable shift to EVs and hybrid-electric vehicles (HEVs), any discussion of the engineering...

Novel Solid Electrolyte Materials for Improved Battery Performance

A team has designed a new blueprint for solid-state batteries that are less dependent on specific chemical elements, particularly critical metals that are challenging to source due to supply chain issues. Their work could advance solid-state batteries that are efficient and affordable.

Robust Synthesis of Vertically Aligned Single-Walled Carbon Nanotubes

Researchers are scaling up the production of vertically aligned single-walled carbon nanotubes that could revolutionize diverse commercial products ranging from rechargeable batteries, automotive parts and sporting goods to boat hulls and water filters.

Electrolyte Additive Improves Battery Performance

The work could lead to improvements in the energy density of lithium batteries that power electric vehicles.

Technique Merges Solar Cell and Liquid Battery

A highly efficient and long-lasting solar flow battery generates, stores, and redelivers renewable electricity from the Sun in one device.

Silicon Forging Ahead for Higher-Performance Battery Anodes

General Motors’ new joint-research agreement with OneD underscores the promise of silicon-anode development.

Technique Extends Next-Generation Lithium Metal Batteries

The discovery could enable lightweight, low-cost, long-lasting energy storage for electric vehicles, houses, and more.

New Battery Technology Could Power Wearable, Self-Sustaining Fever Detector

Public temperature checks have become common practice during the COVID-19 pandemic. Researchers at Texas A&M University hope to make it possible to check the temperatures of large groups of people more quickly and at a less expensive cost than allowed by current methods.

Building Temperature-Resilient Batteries

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.

Large Format Li-Ion Calorimeter

Innovators at NASA Johnson Space Center have developed a method to measure the total and fractional heat response of large format Li-ion cells (cells with capacities greater than 100Ah) when driven into...

A Supercapacitor Device for Carbon Capture

When it discharges, the carbon dioxide can be released in a controlled way and collected to be reused or disposed of responsibly.

Enhancing Solar Option During Power Outages

Engineers at the U.S. Department of Energy’s Argonne National Laboratory have designed a novel building-solar controller that optimizes solar energy with smart technology to keep microgrids operating for up to five days.

Electrolyte Additive Improves Battery Performance

The work could lead to improvements in the energy density of lithium batteries that power electric vehicles.

Building Temperature-Resilient Batteries

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.

Extending the Lifetime of Organic Aqueous Flow Batteries

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.

An Alternative to Lithium-Ion Batteries

Have we found a better alternative to lithium-ion batteries?

Ecological Power Storage Battery Made of Vanillin

Vanillin is converted into a redox-active electrolyte material for liquid batteries.

Maximizing the Performance of Battery Cells for Better Energy Storage

The National Renewable Energy Laboratory is leading the development of new lithium-ion (Li-ion) battery designs specific to the stationary storage requirements.

Extending Battery Life of Small Drones

A continuous flight of small drones over its perimeter could enhance security of the nation's border, but there is one small problem: The battery limitation of small drones (they last about 30 minutes)...

Micro-Supercapacitors Enable Fast Charging

Micro-supercapacitors could revolutionize the way we use batteries by increasing their lifespan and enabling extremely fast charging. Now, researchers at Chalmers University of Technology have...

Safe, High-Energy Li-Ion Battery for Electric Vehicles

Electric vehicle batteries typically require a tradeoff between safety and energy density. If the battery has high energy and power density — required for uphill driving or merging on...

Washable, Wearable Battery-Like Devices

Wearable electronic components incorporated directly into fabrics have been developed that could be used for flexible circuits, healthcare monitoring, energy conversion, and other applications....

High-Power Direct Borohydride Fuel Cells

Electrification of the transportation sector is critical to future energy and environmental resilience and will require high-power fuel cells (either standalone or in conjunction with batteries) to...

Technique Heals Dendrites in Solid-State Batteries

The method enhances the battery's safety while it is being used, without opening the battery cell.

Tin Electrode Amplifies Supercapacitors

The material improves connectivity while maintaining recyclability and low cost.

Stable, Efficient, Anode-Free Sodium Battery

The battery is smaller than a traditional lithium-ion battery due to the elimination of dendrites.

Anode Material for Safer Fast-Charging Batteries

The material enables lithium-ion batteries to be safely recharged within minutes for thousands of cycles.