Abstract
Techniques for implementing stabilized lithium metal powder (Lectro® Max Powder 150, SLMPTM) as a surface application onto mesocarbon cathodes have been studied. These techniques included dip coating, draw-down coating and spray coating already prepared electrodes in a dry room environment. This testing resulted in electrodes that demonstrated a reduced apparent loss, which has the potential to improve the overall capacity of commercial cells. Of these three techniques, spray coating was determined to be the most applicable method of depositing the SLMPTM onto the coating with appropriate precision. More specifically, a low volume, low pressure off-the-shelf sprayer with a standard modification to replace the PTFE seals with polyethylene seals could be used to spray the coating to the proper loading. With proper mixing techniques, large numbers of electrodes could be sprayed with one batch of SLMPTM slurry, allowing eventually for larger prismatic lithium ion cells to be developed.
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