24 h. ago Upgraded perovskite design sets solar cells on path to stability

In solar science, a little structural harmony goes a long way. By finding the atomic equivalent of a perfect handshake between two types of perovskite—a class of crystalline materials prized for their ability to convert sunlight into electricity—researchers at Cornell have built solar cells that are not only high-performing, but exceptionally durable.

Politics

4 d. ago Improving the performance of Cu SrSnS solar cells with inorganic hole transport layers

Thin film solar cells such as CdTe and CIGSe have gained significant attention due to their low production cost and excellent power conversion efficiencies (PCE). Nevertheless, toxicity and scarcity of constituent elements restrict their widespread usage.

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5 d. ago A hot topic: How temperature increase drives energy loss in fuel cells

By splitting water molecules, fuel cells can turn electricity into hydrogen fuel. Running in the opposite direction, they consume hydrogen fuel to cleanly power multiple sectors. Typically, heat is a key ingredient for achieving high energy conversion efficiencies that can beat out combustion-based engines.

Science

2 w. ago Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency

Over the past few decades, solar cells have become increasingly widespread, with a growing number of individuals and businesses worldwide now relying on solar energy to power their homes or operations. Energy engineers worldwide have thus been trying to identify materials that are promising for the development of photovoltaics, are eco-friendly and non-toxic, and can also be easily sourced and processed.

Politics

2 w. ago A single molecule boosts perovskite solar cell efficiency and lifespan

A new study in Science shows that the incorporation of a synthetic molecule into the design enhances the energy efficiency and longevity of perovskite solar cells. The benefits of the molecule, known as CPMAC, were found through an international collaboration that included King Abdullah University of Science and Technology (KAUST).

Politics

3 w. ago The United States has raised tariffs on solar cells from Southeast Asia by up to 3500%

The United States has raised tariffs on solar cells from Southeast Asia by up to 3500%  Українські Національні Новини

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3 w. ago Flexible tandem solar cells achieve 24.6% efficiency and withstand 3,000 bends in new study

Chinese scientists have found a way to make flexible tandem solar cells more efficient and durable by enhancing the adhesion of top layers to the bottom layers of the cell.

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3 w. ago Hybrid thermoelectric material achieves high efficiency by decoupling heat and charge transport

Thermoelectric materials enable the direct conversion of heat into electrical energy. This makes them particularly attractive for the emerging Internet of Things. For example, for the autonomous energy supply of microsensors and other tiny electronic components.

Politics

4 w. ago Solar cell efficiency record achieved with tin halide perovskite

University of Queensland researchers have set a world record for solar cell efficiency with eco-friendly perovskite technology. A team led by Professor Lianzhou Wang has unveiled a tin halide perovskite (THP) solar cell capable of converting sunlight to electricity at a certified record efficiency of 16.65%. The research is published in the journal Nature Nanotechnology.

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4 w. ago Improving solar cell performance: The impact of Zr alloying on the engineering of BaHfS

Lead halide perovskite solar cells (LHPSCs) have rapidly gained prominence in the field of photovoltaics, boasting impressive power conversion efficiencies (PCEs) of up to 26.1% in single-junction devices. However, despite their high performance, these materials suffer from critical drawbacks, including degradation when exposed to moisture, oxygen, heat and ultraviolet light, as well as concerns regarding the toxicity of lead.

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