Build a better battery

From Ensia magazine, 27 September 2019:

For all their many virtues, wind and solar power have one major flaw: at some point, even in the windiest, sunniest parts of the planet the wind stops blowing and the energy-giving rays of the sun disappear over the horizon. So as the world works to decarbonize its energy supply by reducing its reliance on coal, natural gas and petroleum and increasing its use of these variable renewable sources of electricity for the grid, one technology in particular is experiencing a renaissance: the stationary battery.

In a nutshell, stationary batteries are devices that use chemical interactions between materials to store electricity at a set location for later use. These batteries make it possible to store the electricity generated when sun and wind are at their peak so it can be made available to the grid when electricity demand is at its peak — such as when people get home from work and turn on their lights, air-conditioning or heating, television, and kitchen appliances. Read more.

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