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LONGi Green Energy Technology Co. Ltd. says it has set a new world record of 33.9% for the efficiency of crystalline silicon-perovskite tandem solar cells. The National Renewable Energy Laboratory (NREL) certified the results.

It is reported that the previous world record was 33.7% and conducted by King Abdullah University of Science & Technology (KAUST) in May this year.

The new record efficiency of 33.9% has surpassed the Shockley-Quieser (S-Q) theoretical efficiency limit of 33.7% of single junction solar cells for the first time. This provides meaningful empirical data to demonstrate the advantages of crystalline silicon-perovskite tandem solar cells over crystalline silicon single junction solar cells in terms of efficiency.

LONGi says the new world record is the first time that a Chinese company has achieved the feat since the efficiency record of crystalline silicon-perovskite tandem solar cells began being tracked in 2015.

The post LONGi Achieves World Record Efficiency Rate for C-Si-Perovskite Solar Cells appeared first on Solar Industry.

LONGi Achieves World Record Efficiency Rate for C-Si-Perovskite Solar Cells

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Renewable Energy

ExxonMobil Lowering Carbon Emissions? Sure.

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Exxon: We’re investing in innovative technologies to reduce carbon emissions while supporting the needs of heavy industry.

As a marketing consultant, here’s my advice to Exxon:

Keep your money in your pockets.  There is no conceivable investment in public relations that will convince us, as stupid as we may be as a nation, that you care a damn about the health of our planet’s environment, or about the wellbeing of life on Earth.

ExxonMobil Lowering Carbon Emissions? Sure.

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Renewable Energy

Gallup Disappears into Ignominy

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Until this announcement, I think anyone would have said that Gallup, Inc., founded in 1935, had a solid reputation for honesty and integrity.

Yesterday, all that vanished in the blink of an eye.

Imagine you’re one of about 2000 employees located in one of about 35 offices around the world, including New York City, London, Berlin, Sydney, Singapore, and Abu Dhabi.  How sickened would you be?

Gallup Disappears into Ignominy

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Renewable Energy

Trump Digs Coal

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From “The Other 98”

Trump now wants Americans to believe that greenhouse gases don’t endanger human life, a claim that flies in the face of virtually every scientist on Earth. His administration just erased the EPA’s longstanding “endangerment finding,” the scientific and legal cornerstone that said carbon pollution warms the planet and harms human health. Without it, the EPA can no longer regulate greenhouse gases from factories, cars, or power plants, effectively stripping the federal government of its ability to combat climate change.

Trump is nothing if not predictable and consistent in his policies that fly into the teeth of science and cause grievous harm to our health.

Since science recognize vacci nations as safe and effective, why not appoint an anti-vaxxer to head up the Department of Health and Human Services?

Coal is by far the most toxic source of energy, so guess what Trump supports.

Trump Digs Coal

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