Tesla is an American company who specialise in electric cars and so called "power train" production. Last Thursday they announced a special battery that will harness and store the gains made from solar energy panels. It is designed to be used within domestic households as well as on a more indutrial scale. It is very likely based on lithium-ion (Li-Ion) technology and therefore might not really merit the fanfare it was given on 30Apr2015. Nevertheless it does focus our minds on the problems of storing electricity in huge quantities needed for a car or undeed , a household. That these batteries can be dangerous should not alarm us too much - as nearly everything we do with regard to electricity carries some danger.
Yet here we be, in the year 2015, and still a long way from clean energy. These batteries have to be manufatured of course. The's still much to be said for pumping water uphill thus to reclaim the energy spent in a gravity hydro-power system! More as and when it comes to (wait for it) light!
Sunday 3 May 2015
Friday 2 January 2015
BATTERIES cont.....
Progress in this area has been so fast that several new and sometimes conflicting considerations need to be outlined. These are mainly how to store, (charged or discharged), what dangers from over charging/discharging, and perhaps ambient temperatures.
As well as the progress in secondary (rechargeable types) there has been some progress in the primary types too. I am now strictly of the opinion that Lithium cells (AA or AAA) are best for cameras and remote controllers. We aren't just talking economy here. Reliability & dependability are a far greater issue for these items. This brings up longevity issues and for my money I'd opt for that in the form of Lithium cells. These can be purchased at reduced prices on-line. Try E-bay.
Progress in this area has been so fast that several new and sometimes conflicting considerations need to be outlined. These are mainly how to store, (charged or discharged), what dangers from over charging/discharging, and perhaps ambient temperatures.
As well as the progress in secondary (rechargeable types) there has been some progress in the primary types too. I am now strictly of the opinion that Lithium cells (AA or AAA) are best for cameras and remote controllers. We aren't just talking economy here. Reliability & dependability are a far greater issue for these items. This brings up longevity issues and for my money I'd opt for that in the form of Lithium cells. These can be purchased at reduced prices on-line. Try E-bay.
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