Tag: Energy
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Thin-Film Solar Cell Approaches Efficiency Record
A Copper Zinc Tin Selenide (CZTSe) solar cell technology has achieved an efficiency of 9.7% and an open-circuit voltage of 0.41 volts, a bit less than the 0.5 volts that most silicon-based solar cells achieve. (Solar cells are generally connected in series, which multiplies their voltage by the number of cells in the series connection.)…
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Super Efficient & Reliable Windows From Apex Unveiled
One of the most environmentally friendly manufacturing practices is to simply create the most efficient, highest performance, and most reliable (so that they last long) products. Less frequent replacement causes less landfill waste and less pollution from the manufacturing process. Unfortunately, manufacturers of not only windows but nearly everything else want to sell compromised products…
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Extraordinary Solar Light Now Available for Off-Grid Victims of Energy Poverty
This is a low-priced ($39.00) and sustainable light that some 25 percent of the world’s population – living off the grid – needs. Why? So dangerous kerosene lamps can be relegated to museums only. The following mission statement comes from WakaWaka designers and manufacturer of what the company contends is the “most efficient solar lamp…