Energy storage is the key to feeding more wind and solar power into the grid, but the question is how to get all that stored-up renewable energy to someone who can use it. The same goes for recovering waste heat from industrial operations. UK firm Sunamp has come up with a unique solution that involves scavenging heat from one place and transporting it on water to another place, with the help of a new phase-change material that can last for 40,000 cycles or more.
One of those additives is sodium acetate trihydrate, which sounds rather mysterious, but which is a common potato chip flavoring. As for the calculation of 40,000 cycles, that remains to be seen. Doing the math, that’s about 50 years of use, based on two cycles per day, which seems rather ambitious. Sunamp did not pull that figure out of a hat, though. The company based its findings partly on a high intensity X-ray analysis at theMuch has happened in the two years since that blog post.
Also involved in the consortium is the recently incorporated firm Sheen Parkside, which Sunamp describes as “an arranger of innovative low carbon infrastructure projects,” along with technical and maritime industry stakeholders. “Heat supplied on this basis has been modelled to provide heat at 12gCO2/kWh or lower, which is a substantial reduction compared to gas which is modelled at c.216 gCO2/kWh,” the company adds.The Westminster barge-based energy storage project may sound like a one-off project, but Sheen Parkside co-founder and CEO David Carter points out that the UK “wastes a huge of amount of high-grade industrial heat, simply because it’s in the wrong place.
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