diff --git a/explore_data.py b/explore_data.py
index 2bc99c912199ca15df4830a0a2cf725cb0345405..b101d634d72f6602b98ef1444b8d07bc2a3836cc 100644
--- a/explore_data.py
+++ b/explore_data.py
@@ -29,7 +29,9 @@ def plot(name, values, path, datetime, filename, current_color):
         axe = "0" + str(axe)
     plt.plot(range(len(values)), values, color='#A0'+axe+axe)
 
-    filepath = path + "/" + name + "/" + filename + "/" + str(datetime) + '.png'
+    datetime = str(datetime).replace('.', '_')
+    datetime = str(datetime).replace(':', '-')
+    filepath = os.path.join(path, name, filename, datetime + '.png')
     create_path(filepath)
     plt.savefig(filepath)
 
@@ -51,7 +53,7 @@ def charge_iteration(charge_items, filename):
         ambiant_temp = format_temperature(item[1][0][0]) # temperature: 4 ~24 ~43
         datetime = convert_matlab_datetime_vector_to_utc(item[2][0])
 
-        path = "output_graphs/charges/degree" + str(ambiant_temp)
+        path = os.path.join("output_graphs", "charges", "degree" + str(ambiant_temp))
 
         voltage_measured = item[3][0][0][0][0] # Battery terminal voltage (Volts) floats
         current_measured = item[3][0][0][1][0] # Battery output current (Amps) floats
@@ -139,9 +141,9 @@ def main():
 
     # TODO warning for for the [:1]
     for filepath in filepaths[:1]:
-        filename = filepath.split("/")[-1].split(".")[0]
-        print(filename)
+        filename = os.path.split(filepath)[-1].split(".")[0]
         raw_mat = scipy.io.loadmat(filepath)
+
         mat = raw_mat[filename][0][0][0][0]
 
         impedance_items = filter_mat(mat, "impedance")