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Green initiative? Indian Railways to produce 1,000 MW Solar energy

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Indian Railway. Pixabay

New Delhi, March 9, 2017: Railway Minister Suresh Prabhu said on Thursday that the Railways had taken several green initiatives and would produce 1,000 MW solar energy.

Addressing a function to mark signing of Letters of Intent by Railway Ministry with the United Nations Environment Programme (UNEP) to formalise joint cooperation in environmental conservation, he said the priority of Railways was to reduce carbon footprints.

“Railway is already taking several green initiatives and is going to produce 1,000 MW solar energy. This joint co-operation will help Indian Railways in its green objectives,” he said.

Representatives of Indian Railways and UNEP signed and exchanged Letters of Intent.

UNEP Executive Director Erik Solheim said that the focus of the partnership was on three main areas – waste management, reduction in water consumption and sustainable public procurement.

Officials said that Indian Railways, which carries 23 million passengers every day, has taken a number of steps towards water management, energy conservation, solid waste management and green buildings. (IANS)

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Study Reveals Solar Cells Can Retain Most Of Their Power Conversion Efficiency in Near Space

In the study, researchers from China's Peking University sent the devices fixed with PSCs into near space on a high-altitude balloon.

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Perovskite solar cells (PSCs) are known for their potential of achieving higher efficiency and low production costs compared to traditional silicon solar cells. Pixabay

Chinese researchers have found that solar cells can retain most of their power conversion efficiency in near space, providing perspectives on the cells’ future application in space.

Perovskite solar cells (PSCs) are known for their potential of achieving higher efficiency and low production costs compared to traditional silicon solar cells.

These cells also have great potential for developing the new-generation energy technology for space application, but little research has been done to test the stability of PSCs in the extreme space environment, Xinhua news agency reported.

In the study, researchers from China’s Peking University sent the devices fixed with PSCs into near space on a high-altitude balloon.

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These cells also have great potential for developing the new-generation energy technology for space application, but little research has been done to test the stability of PSCs in the extreme space environment, Xinhua news agency reported. Piixabay

The balloon rose to near space at an altitude of 35 km, a region above Earth’s atmosphere where there is only a trace amount of moisture and ozone.

The region, considered to have “air mass zero” contains no atmospheric attenuation of solar radiation and therefore several high-energy particles and radiation, such as neutrons, electrons and gamma rays, originate from the galactic cosmic rays and solar flares.

solar cells
Chinese researchers have found that solar cells can retain most of their power conversion efficiency in near space, providing perspectives on the cells’ future application in space.
Pixabay

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According to the findings, one type of PSCs used in the study retained more than 95 per cent of its initial power conversion efficiency during the test, the researchers reported in the journal Science China Physics, Mechanics and Astronomy.

They said the study is expected to play a crucial role in the future stability research of PSCs. (IANS)