From ff0422ce224b470023a1b7f63088466905aa300c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?No=C3=ABl=20Hallemans?=
 <90609505+noelhallemans@users.noreply.github.com>
Date: Wed, 4 Dec 2024 16:00:26 +0000
Subject: [PATCH] Grouped SPMe edit (#577)

* Add Battery voltage to the variables list
---
 pybop/models/lithium_ion/basic_SPMe.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pybop/models/lithium_ion/basic_SPMe.py b/pybop/models/lithium_ion/basic_SPMe.py
index 6b7821bb3..8ea8544fa 100644
--- a/pybop/models/lithium_ion/basic_SPMe.py
+++ b/pybop/models/lithium_ion/basic_SPMe.py
@@ -54,11 +54,13 @@ def __init__(self, name="Single particle model with electrolyte", **model_kwargs
         include_double_layer = self.options["surface form"] == "differential"
 
         pybamm.citations.register("Chen2020")  # for the OCPs
-        pybamm.citations.register("""
+        pybamm.citations.register(
+            """
             @article{HallemansPreprint,
             title={{Hallemans Preprint}},
             }
-        """)
+        """
+        )
 
         ######################
         # Variables
@@ -373,6 +375,7 @@ def __init__(self, name="Single particle model with electrolyte", **model_kwargs
             "Discharge capacity [A.h]": Q,
             "Throughput capacity [A.h]": Qt,
             "Voltage [V]": V,
+            "Battery voltage [V]": V,
             "Open-circuit voltage [V]": U_p - U_n,
         }