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SDcampowneroper's avatar
Feb 26, 2021

mass elec. storage 'battery' rethink the term application.

In definition Battery is stored energy, as in an artillery unit. That thought has been lost as today it is thought of only in the chemically reservation of electric power in units, credible to rvs and small unit chemically storage systems.
Where alternative power units like solar and wind could store their peak generation for peak usage times via 'battery' is not the mechanical but the physical.
A lake with water storage behind hydroelectric generators is a battery,
An underground salt cavern pressurized with compressed air is a battery
fluids heated, like salt or oil in daytime heating , release that energy at night, stored energy, a battery. Wind and solar will have to store that energy, pumping water back up into the lake, pressirizing the caverns, heating the oil and salt to store the energy for the nighttime demand to recharge fleets
Battery is a unit of energy storage , in projected electric mass transportation will require recharge primarily at night, when the sun dont shine and the wind dont blow.
The energy to provide for that will require sacrifice. changed downstream river flows, impacts of wind farms that pump water back up into the lake. increased solar heat reflectiion vs absorbed heat into the land, leading to higher daytime temps, cooler nights. disturbed air patterns.
Behind every well intentioned action there comes a reaction.

23 Replies

  • The word "battery" doesn't have much of anything to do with stored energy. It derives from Latin battuere (to strike), via French, and originally meant wrought/forged metal articles. It came to mean a set of artillery pieces operating as a unit (a battery of guns), and then more broadly a set of various things that operate together and often are similar or identical to each other.

    You can have a battery of tests to form a medical diagnosis: a set of tests, working together. You can also have an electrical battery, a set of cells working together for greater voltage or current than a single cell provides. A hydroelectric dam, a pressure vessel, or many other things that store energy are not batteries. (A single AA cell is also not a battery, technically speaking, but two or more of them together can form a battery.)
  • All of these pie in the sky suggestions has major drawbacks. Just build nuke plants in the first place, save fossil fuel for petrochem and transportation

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