Apple-powered batteries on the way


Apple-powered batteries on the way

If you thought the report (in nose185) about Elon Musk’s Tesla batteries storing solar or wind power to provide electricity for your home when Eskom implodes was a curious sideline to the great energy debate, think again.

Inhabitat.com has reported that batteries to power your motor vehicle and home are the next big project on the agenda of the world’s biggest and richest company, Apple.

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Submitted by : Ove Scheuble of Napier on 2015-04-01 20:01:55
How interesting to read that a new understanding has dawned: that batteries can actually store solar-derived energy and wind-generated energy. What we nowadays call a battery ... is a device that stores -- accumulates -- energy. An accumulator. When I was very young and WW 11 was raging even the children knew that banks of cells accumulated energy (then created by Diesel engines when the submarines were on the surface). The battery of storage cells supplied power when the submarines became what they were named for: they were the sub-marine vessels. They were the boats that menaced shipping. Where do the subs enter the South African scene? On many farms the period following WW 11 was a time when the more progressive owners moved from candles and paraffin lamps to Wind-power generated electricity. 32 V systems were common. What the turning blade generated was stored / accumulated in a battery of cells. so one could switch on an electric light even when there was no wind. It was soon discovered that the best 'batteries' were those from submarines. As experience was gained with capturing wind energy it soon became clear that in the Southern parts of South Africa the wind supplied enough energy only during Summer time (and relatively short after sunset periods of darkness) but lagged when during the less windy winter months and the longer nights. So engine driven generators had to be acquired to 'charge the batteries' which in turn kept the lights burning during long hours of darkness in winter. It happened in simple direct current The next pre-Eskom development was to switch to fuel hungry 220V Alternating Current Diesel-generated energy (no batteries). Enough said that everyone was hankering after the ultimate trouble free continuous and relatively affordable link to the central grid. Had we but known. We cannot yet accumulate energy of the sort that ESKOM supplies in our own batteries. Perhaps these hefty accumulators are already in service in the cloud.

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