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ID:
113436
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2012.
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| Summary/Abstract |
The Intermittency Challenge and the approaching need for massive storage of rapidly dispatchable energy has led the concept of the National Battery, a unified facility that holds the aggregated outputs from an array of intrinsically episodic renewable sources, releasing energy as demand requires. In this contribution, the original demonstration of Murphy that lead-acid batteries are inappropriate is first reviewed and then extended to show that no commercially available battery technology is at present appropriate. However, prospectively, underground pumped hydro storage could suffice, and at a lesser cost than suitable batteries.
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| 2 |
ID:
115661
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| Publication |
2012.
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| Summary/Abstract |
Present day electricity is a bargain. It frees mankind from a host of dirty, debilitating occupations-epitomized by the now endangered occupation of legger. Correctly applied, electricity would make a most excellent paramount energy carrier for a post-carbon world. It is, however, only an energy carrier and not a source of energy, the preeminent source for its generation being bargain-priced fossil carbon. But when, in less than a century, that is gone, electricity is a good bet to cost markedly more while being still a bargain. This paper once again shows that mankind's energy needs can be met by (i) renewable solar generation of electricity buffered by (ii) massive electricity storage and (iii) a robust distribution grid. The time available for making this switch from fossil carbon to solar is at best a century and possibly as little as fifty years.
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