fix

aiida_aurora/utils/parsers.py

@@ -41,11 +41,12 @@ def get_data_from_results(array_node) -> dict:
 def post_process_data(t: np.ndarray, Ewe: np.ndarray, I: np.ndarray) -> dict:
     """docstring"""
 
-    # filter out zeros - usually first value(s)
-    zeros = np.where(I == 0)
-    t, Ewe, I = np.delete(t, zeros), np.delete(Ewe, zeros), I[I != 0]
+    mask = I != 0  # filter out zero current
+    t, Ewe, I = t[mask], Ewe[mask], I[mask]
 
+    # mark half-cycles (including first and last values)
     idx = np.where(np.diff(np.sign(I), prepend=0) != 0)[0]
+    idx = np.append(idx, len(I))
 
     # integrate and store charge and discharge currents
     Qc, Qd = [], []