diff --git a/premise/data/additional_inventories/lci-cobalt.xlsx b/premise/data/additional_inventories/lci-cobalt.xlsx
index 3e337fde..a305da15 100644
Binary files a/premise/data/additional_inventories/lci-cobalt.xlsx and b/premise/data/additional_inventories/lci-cobalt.xlsx differ
diff --git a/premise/data/additional_inventories/lci-graphite.xlsx b/premise/data/additional_inventories/lci-graphite.xlsx
index 6cde1653..0889ae96 100644
Binary files a/premise/data/additional_inventories/lci-graphite.xlsx and b/premise/data/additional_inventories/lci-graphite.xlsx differ
diff --git a/premise/data/additional_inventories/lci-lithium.xlsx b/premise/data/additional_inventories/lci-lithium.xlsx
index 3cad6a05..bc4a08ff 100644
Binary files a/premise/data/additional_inventories/lci-lithium.xlsx and b/premise/data/additional_inventories/lci-lithium.xlsx differ
diff --git a/premise/data/metals/activities_mapping.yml b/premise/data/metals/activities_mapping.yml
index 679ce39d..a740197a 100644
--- a/premise/data/metals/activities_mapping.yml
+++ b/premise/data/metals/activities_mapping.yml
@@ -88,9 +88,10 @@ NiMH:
   ecoinvent_aliases:
     fltr:
       - battery production, NiMH, rechargeable, prismatic
-## Battery technoligies not found in Ecoinvent
+## Battery technologies not found in Ecoinvent
 #LiS:
 #LiO2:
+#LCo
 PEMFC:
   ecoinvent_aliases:
     fltr:
@@ -170,6 +171,7 @@ HTEL - Yttrium:
       - market
       - hydrogen production
       - fuel cell
+### PAFC fuel cells are not found in Ecoinvent
 c-Si:
   ecoinvent_aliases:
     fltr: