Save-MyBitLockerKeyPackage

Saves all BitLocker KeyPackages (KPG) to a Directory (Path). The key package can be used in conjunction with the repair tool to repair corrupted drives. Multiple Paths are supported

Save-MyBitLockerKeyPackage -Path F:\
Save-MyBitLockerKeyPackage -Path F:\,F:\BitLocker\$(Get-MyBiosSerialNumber -Brief)

KeyPackage Reference

manage-bde keypackagedocsmsft