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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

There Were Prior Threats to the Nation Stemming from the White House

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For most of our lives, many of us boomers have believed that the biggest threat to the United States was our president, starting with Tricky Dick Nixon, the inventor of the “trickle-down economics,” liar Ronald Reagan, and GW (the moron) Bush.

But yes, none of us was prepared for the cold, calculating criminal who is Donald Trump.

There Were Prior Threats to the Nation Stemming from the White House

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Renewable Energy

Yes, Human Activity, in its Current State, Is Unsustainable

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The fact that human activity is unsustainable has been revealed to us gradually over the last century.  Rachel Carson’s “Silent Spring” was published 63 years ago.

That said, the ideas of climate change, ocean acidification, and loss of biodiversity have been essentially unchallenged by scientists for just the last couple of decades.

The only thing standing in the way of rapid environmental progress is greed, and in the end, that may prove to be an unbeatable foe.  Decarbonizing our grid and transportation sector will eventually destroy the fossil fuel industry, a group so powerful that it has a stranglehold, both on our lawmakers and on our corporate-owned media, that works so hard to misinform our citizenry.

Yes, Human Activity, in its Current State, Is Unsustainable

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Renewable Energy

Will the U.S. Top Military Intervene Before Trump Inflicts Irreparable Damage

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It’s still possible that our most senior military leaders will insert themselves in time to prevent some truly catastrophic event here in the United States/abroad.

I keep thinking I’ll read about an exchange like this:

Trump: We’re invading Greenland.

Some four-star general: The f*** we are.

This may sound like a pipe dream, but these are people of real honor and integrity who take their oaths to our constitution quite seriously.

Will the U.S. Top Military Intervene Before Trump Inflicts Irreparable Damage

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