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SEM Images of a conventional PBA electrode (A) before calendering and (B) after calendering. Images (C) and (D) show an electrode respectively before and after calendering that was conducted after modified WPI to solidify the electrode. All four images use the same scale bar. (E) X-ray CT image of a calendered PBA electrode (light gray) prepared using the modified WPI process supported on graphite foil (dark gray).
