Wetting of sodium on β''-Al2O3/YSZ composites for low temperature planar sodium-metal halide batteries
2013
Abstract Wetting of Na on β″-Al 2 O 3 /YSZ composites was investigated using the sessile drop technique. The effects of moisture and surface preparation were studied at low temperatures. Electrical conductivity of Na/β″-Al 2 O 3 -YSZ/Na cells was also investigated at low temperatures and correlated to the wetting behavior. The use of planar β″-Al 2 O 3 substrates at low temperature with low cost polymeric seals is realized due to improved wetting at low temperature and conductivity values consistent with the literature.
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