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IBM’s New Thin-film Solar Cell is 40% More Efficient

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A new solar cell under development from IBM boasts an efficiency of 9.6 percent, which is 40 percent higher than previous incarnations. IBM touts the new thin-film photovoltaic solar cell as a “world record” for its type. The thin-film photovoltaic technology (see image) is comprised of copper, tin, zinc, sulfur and/or selenium, according to IBM’s […]

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