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Argonne National Laboratory

Exploring defects in a solid-state electrolyte

Scientists in the U.S. used sophisticated imaging techniques to observe previously unknown defects in the crystalline structure of a solid-state electrolyte. The scientists theorize that these defects could play an important role in the electrolyte’s performance, and that designing them more carefully into the material could have impressive results.

Understanding perovskite degradation

Scientists in the US took a closer look at the mechanisms causing perovskites to degrade under light and raised temperatures. By testing perovskite cells with various additives and other recipe tweaks, the group was able to identify pathways to improving long-term stability.

The issues with lithium-ion battery recycling – and how to fix them

Design-for-recycling is not perceived to be high up the list of priorities for battery manufacturers but solutions do exist. Lithium-ion device recycling is technically feasible but requires an improvement in its business case to take off.

Looking to phosphorous for next-gen batteries

Scientists in the United States have fabricated a working lithium-ion battery using a phosphorous-based anode. The batteries show significantly higher capacity than today’s lithium-ion tech, and could serve as a guideline for future design of high-performance anodes for Li-ion batteries.

Rooftop solar window based on semi-transparent perovskite solar cells

A prototype of an energy-harvesting, solar-powered smart window device has been developed by scientists from the U.S. Department of Energy’s Argonne National Laboratory. The window was created by integrating a semi-transparent perovskite solar cell and a multi-layer nanophotonic coating.

Narrowing down 166 billion battery materials

Researchers at the U.S. Argonne National Laboratory have applied a combination of machine learning and artificial intelligence to help narrow down a list of 166 billion molecules that could be used to form the basis of a battery electrolyte. The technique, say the researchers, offers a way to greatly reduce the cost of narrowing down such an enormous data set, while still providing a precise understanding of each molecule and its likely suitability.

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New rules for lithium-sulfur selection

Scientists at the United States’ Argonne National Laboratory worked with a class of electrolyte materials they say could greatly improve the performance of lithium-sulfur batteries. The group has devised a selection rule which it says will help researchers select the most suitable electrolyte materials for different battery systems.

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Supercomputer scientists dye-ing to test new cell materials

Researchers from the U.S. Department of Energy’s Argonne National Laboratory, working with Cambridge University, programmed a ‘supercomputer’ to narrow down a list of almost 10,000 materials with the potential to be used in dye-sensitized solar cells to just five that fit their parameters for high performance, low cost and low environmental impact.

Physicists shine a light on photon absorbency – research with potentially huge PV implications

Researchers were able to effect electronic transitions at different frequencies, and through a different physical process, by altering the angle at which nanolayers of gold were positioned. Being able to predict and fine-tune the nature of such transitions could have a fundamental affect on solar PV cell efficiency.

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