[Info.aoa-nano] Smalltalks "Lithium metal growth on the nanoscale"

[Nano]

SmallTalk [about Nanoscience]
On Monday September 30th at 15.00h we welcome you all to our SmallTalk seminar series. You are welcome to join us in lecture hall Kollektorn, MC2 with fika or on zoom.
Our speaker is Josef Rizell, Doctoral Student, Materials Physics, Physics. The seminar is titled "Lithium metal growth on the nanoscale"

Abstract:
The energy density of current battery technology severely limits the driving range of electric trucks, cars and airplanes. To improve the energy density of batteries, new electrode materials need to be developed. In theory, one of the most desirable electrode materials to work with is lithium metal. However, batteries using these electrodes typically have short lifetimes, limiting their commercial viability. The root of this problem is that as the battery is charged and discharged, the lithium electrode tends to evolve branched structures with large surface areas. Over time, this leads to loss of electrode material and sometimes even short-circuiting of the battery. To understand the mechanisms through which these detrimental structures develop, and eventually stop them, we study the 3D-structure of lithium metal electrodes using x-ray nanotomography. By tracking how the structures change as the battery is charged and discharged, we correlate battery cycling conditions and the electrode nanostructure.

Looking forward to seeing you live or on Zoom:  https://chalmers.zoom.us/j/61929604403#success

Best regards,
Angela, Nils, Christoph, and Janine

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