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Energy Storage

Batteries, fuel cells, capacitors, etc


New Design Greatly Simplifies Flow Batteries

Written by , on May 27, 2016

MIT researchers have developed a new approach to the design of a liquid battery, using a passive, gravity-fed arrangement similar to an old-fashioned hourglass.  Read more »

Storing Energy with a Rock-filled Train

Written by , on May 23, 2016

The US Bureau of Land Management has approved the construction of an Advanced Rail Energy Storage project which stores energy by running a train up and down a hill to add and subtract energy from the grid as needed.  Read more »

Major Step Towards Magnesium Batteries

Written by , on May 17, 2016

Engineers at the Toyota Research Institute of North America believe that they have made a significant step towards being able to use magnesium in rechargeable batteries, making them smaller, cheaper and much safer than lithium batteries.  Read more »

A Lithium Battery That Doesn’t Explode

Written by , on January 14, 2016

Researchers at Stanford University have developed a lithium battery which shuts itself down when it get too hot and turns itself back on when it has cooled to a safe level.  Read more »

Storing Energy in Undersea Balloons

Written by , on January 10, 2016

A Canadian company, Hydrostor, is testing the use of giant underwater balloons to store surplus energy when the demand for electricity is low and generate electricity when demand is high.  Read more »

New Approach Promises Cheaper Solar Thermal Storage

Written by , on November 5, 2015

Engineers at Oregon State University have developed a new approach, using thermochemical storage, in which chemical transformation is used in repeated cycles to hold heat, for the storage of concentrated solar thermal energy which could reduce its cost and make it more practical for wider use.  Read more »

Significant Progress Towards the “Ultimate Battery”

Written by , on November 5, 2015

Scientists at the University of Cambridge have reported that they have made a significant advance in the practical development of a lithium-air battery – regarded by many as the “ultimate” battery.  Read more »

Batteries from Wood, Mushrooms or Reeds

Written by , on October 5, 2015

Scientists have developed ways of making better batteries from biological materials such as wood, mushrooms and reeds.  Read more »

Wind Turbine Stores Energy

Written by , on September 25, 2015

A new technology stores excess wind turbine energy and releases it to drive the turbine when winds drop.  Read more »

“Solar Flow Battery” Improves Efficiency by 20%

Written by , on August 7, 2015

Researchers at the Ohio State University have reported that they have developed a device which combines a solar cell and a battery and achieves a 20% energy savings over traditional lithium-iodine batteries.  Read more »