Figure 2: Morphology of the air cathode.
From: A Rechargeable Li-Air Fuel Cell Battery Based on Garnet Solid Electrolytes
(a) Pristine air cathode, (b) first discharge to a capacity of ∼10000 mAh g−1carbon, (c) first discharge to a capacity of ∼20000 mAh g−1carbon (~2.0 V), (d) first charge to a capacity of 20000 mAh g−1 (~4.5 V), (e) fifth discharge to 2.0 V, and (f) fifth charge to 4.5 V at 20 μA cm−2. The white scale bar represents 500 nm for all images.
