RE:New Processing Technology for Maximizing Energy DensitiesGreat find Thor and this solution doesn't sound too expensive or time consuming!
Quoting the link you posted.
Dr. Lee and Dr. Hong of KIST have developed a technology that enables the pre-loading of lithium ions using a lithium-containing solution rather than the lithium powder, to prevent lithium loss in a silicon-based anode. Submerging an electrode in the tailored solution just for five minutes is enough to achieve a successful lithium pre-loading, by which electrons and lithium ions are inserted in the silicon-based anode through a spontaneous chemical reaction. What made this simple process possible was that unlike the conventional method of adding lithium powder to an electrode leading heterogeneous lithium distribution, the tailored prelithiation solution rapidly seeps into an electrode ensuring homogeneous delivery of lithium into silicon oxide.