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Articles on Grid batteries

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Long the industry standard, lithium-ion batteries come with considerable drawbacks that limit their widescale adoption as the grid-energy storage medium of choice. THE CANADIAN PRESS/Jeff McIntosh

How zinc-ion batteries may solve our renewable energy storage problem

Lithium-ion batteries are holding back the full-scale decarbonization of Canada’s energy grid. Zinc-ion batteries may be the solution.
Deep sea sponges and other creatures live on and among valuable manganese nodules like this one that could be mined from the seafloor. ROV KIEL 6000/GEOMAR

Deep seabed mining plans pit renewable energy demand against ocean life in a largely unexplored frontier

Mining nodules from the deep ocean seabed could provide the metals crucial for today’s EV batteries and renewable energy technology, but little is known about the harm it could cause.
The U.S. has thousands of lakes and reservoirs that could be paired for pumped hydro storage without the need for rivers. Ollo via Getty Images

Batteries get hyped, but pumped hydro provides the vast majority of long-term energy storage essential for renewable power – here’s how it works

A team of researchers found 35,000 pairs of existing reservoirs, lakes and old mines in the US that could be turned into long-term energy storage – and they don’t need dams on rivers.

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