Al foilCathodeSeparatorAnodeCu foil

Charging: lithium ions leave the cathode and settle in the anode. Schematic, not to scale.

Battery Research Notes

Weekly notes on papers, start-ups, reports and industry needs in battery research.

All notes

3.0 V3.6 V4.2 Vweek 0week 10week 2012 Oct 2026: First note: silicon anodes, dry coating and AI-guided electrodes
Each dot is a note, placed by publication date on a typical lithium-ion discharge curve. The dashed part is capacity still to come.