Device for energy storage for an electric locomotive

The device has a storage module (10) provided with a module housing (11). The module housing comprising multiple electrochemical memory cells (20). A cell case (21) is provided with the electrochemical memory cells. The cell case encloses electrolytes (22) and fillers. The fillers are arranged for receiving electrolyte leakage from the cell case. The fillers are designed as a multi-component filling package (30). A package casing directly transports the electrolytes. A package core is surrounded by the package casing for storing the electrolytes.