The stacked-plate heat exchanger

The invention relates to a stacked plate heat exchanger (1), - with a plurality of along a stacking direction (S) stacked staple sheets (2), - wherein in at least one stacking wheel (2) is formed a channel structure (3) for through-flow of a fluid (F), - wherein the channel structure (3) in a plan view of the stacking plate (2) along the stacking direction (S) comprises at least one fluid channel (4a, 4b, 4c) having at least one channel section (5) with a zigzag-like geometry.