diff --git a/src/ontology/edits/oeo-physical.omn b/src/ontology/edits/oeo-physical.omn
index 61b555d03..5f7d3ef0d 100644
--- a/src/ontology/edits/oeo-physical.omn
+++ b/src/ontology/edits/oeo-physical.omn
@@ -10118,6 +10118,22 @@ pull request: https://github.com/OpenEnergyPlatform/ontology/pull/1728",
         OEO_00000159
     
     
+Class: OEO_00020363
+
+    Annotations: 
+        <http://purl.obolibrary.org/obo/IAO_0000115> "A chemical energy storage object is an energy storage object that has the chemical energy storage function.",
+        <http://purl.obolibrary.org/obo/IAO_0000233> "issue: https://github.com/OpenEnergyPlatform/ontology/issues/1572
+pull request: https://github.com/OpenEnergyPlatform/ontology/pull/1728",
+        rdfs:label "chemical energy storage object"
+    
+    EquivalentTo: 
+        OEO_00000159
+         and (<http://purl.obolibrary.org/obo/RO_0000085> some OEO_00010321)
+    
+    SubClassOf: 
+        OEO_00000159
+    
+    
 Class: OEO_00030000
 
     Annotations: