#2669 changelog

rtimms · rtimms · commit 352ac515d06c · 2023-02-10T14:14:01.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # [Unreleased](https://github.com/pybamm-team/PyBaMM/)
 
+## Features
+
+- The "particle size" option can now be a tuple to allow different behaviour in each electrode([#2672](https://github.com/pybamm-team/PyBaMM/pull/2672)).
+
 # [v23.1](https://github.com/pybamm-team/PyBaMM/tree/v23.1) - 2023-01-31
 
 ## Features
diff --git a/plot.gif b/plot.gif
diff --git a/tests/integration/test_models/test_full_battery_models/test_lithium_ion/test_mpm.py b/tests/integration/test_models/test_full_battery_models/test_lithium_ion/test_mpm.py
@@ -48,6 +48,12 @@ def test_differential_surface_form(self):
         modeltest = tests.StandardModelTest(model)
         modeltest.test_all()
 
+    def test_current_sigmoid_ocp(self):
+        options = {"open circuit potential": ("current sigmoid", "single")}
+        model = pybamm.lithium_ion.MPM(options)
+        modeltest = tests.StandardModelTest(model)
+        modeltest.test_all()
+
     def test_voltage_control(self):
         options = {"operating mode": "voltage"}
         model = pybamm.lithium_ion.MPM(options)
