Energy & Green Tech

Tiny tweaks for big wins in solar cells

Solar cell performance and stability depend on the morphology of the thin films, especially their ability to crystallize in the so-called photoactive α-phase. Perovskites containing lead tend to combine various halides, ...

Engineering

A transformer to drive the transition from AC to DC

EPFL researchers have developed a compact and efficient medium-frequency transformer. Their device is poised to enhance the flexibility and efficiency of tomorrow's smart grids and DC power distribution networks. An EPFL-made ...

Energy & Green Tech

First-ever 3-D-printed electrolyte for lithium-ion batteries

For the first time, researchers have successfully printed a complete, albeit experimental, lithium-ion battery including a solid-state electrolyte. While electrodes have been produced using 3-D-printing technology before, ...

Energy & Green Tech

Fisker has designs on solid state battery breakthrough

Battery-breakthrough stories continue with expectations that in time we will finally get some answers—that some innovator confronting issues of traditional lithium ion batteries will figure out an economy of manufacture ...

Energy & Green Tech

New sodium-ion electrolyte may find use in solid-state batteries

A newly discovered structure of a sodium-based material allows the materials to be used as an electrolyte in solid-state batteries, according to researchers from Penn State and Pacific Northwest National Laboratory (PNNL). ...

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