Category: Energy Storage

If you’re wondering what will push battery prices down to previously unforeseeable levels, look no further. Up until recently, sushi has had far better storage technology than electricity, but that’s clearly no longer the case.  As described in the article …

Battery Prices Falling Through the Floor Read More »

Tagged with: , , ,

Yes, we’re continuing to make great progress in all aspects of energy storage via batteries,  most importantly, in terms of cost-effectiveness.  Yet it’s hard to conceive of a time at which batteries can compete with the storage of heat energy. 

Tagged with: , , , ,

When modern-age electric vehicles first became “a thing” about 10 years ago, supercapacitors were a frequent topic of discussion, due to their value in delivering large amounts of power—far more energy per unit than batteries could provide.  As it turns …

Energy Storage: The Latest in Supercapacitors Read More »

Tagged with: , , , , , , ,

Here’s a story about two very progressive companies dealing with 21st Century energy: Tesla and Sierra Nevada (a top-notch beer brewery).  The essence is that Tesla has installed a fairly large battery storage system, apparently to lower energy costs for …

Energy Storage Is Changing the Entire Energy/Transportation Landscape Read More »

Tagged with: , , , , ,

Here’s another example of a phenomenon so plentiful in cleantech: it’s doable, but there are no economic reasons that it will ever be done.  It’s a battery system that is built by taking carbon dioxide, perhaps from a point source …

Making Batteries from Carbon Dioxide: An Idea That Will Almost Certainly Never Come To Fruition Read More »

Tagged with: , , , ,

Here’s a new idea in the quest to reduce or remove the variability of wind energy: an integrated water reservoir, making use of the huge watertight tower.  This creates a (small) pumped hydro energy storage solution without the elevation change.  …

Cool New Idea in Wind Turbines Read More »

Tagged with: , , ,

Here’s an exciting development that lies squarely on the intersection of the main problems we face in making the migration from fossil fuels to renewable energy.  Combining solar energy with storage, it’s a device that converts incoming solar energy directly …

Breakthrough in Energy Storage from the University of Wisconsin Read More »

Tagged with: , , , , , ,

2GreenEnergy megasupporter Cameron Atwood just sent me this from G.K. Surya Prakash (pictured), a chemistry professor at the University of Southern California: “Earth doesn’t have an energy problem. We have an energy storage problem.” There is no doubt that the advent …

The Energy Storage Problem Read More »

Tagged with: , , , , , , , ,

A reader from the Unitarian Universalist Church of Palo Alto, CA, a group that’s heavily committed to sustainability, writes: For an emotional uplift check out the flow battery progress sponsored by ARPA-E (Advanced Research Projects Administration-Energy).

Tagged with: , ,

A reader asks, “Has it been determined whether the world’s supply of lithium is sufficient to produce enough battery capacity to make renewables reliable?” It’s a complicated question, unfortunately. Perhaps it’s best summed up by what the CEO of a …

How Abundant Is Lithium? Read More »

Tagged with: , , , , , , ,