Experimental Operational Data from a Pressurized Alkaline Electrolyser Short Stack (PEACE Project)

This dataset contains experimental operational data from a short stack alkaline
electrolyser as part of the PEACE (Pressurized Efficient Alkaline EleCtrolysEr)
project. The experiments were conducted to assess the performance of a 3-cell
short stack, with the goal of informing design decisions for the final full
stack configuration.

The experiments were performed at operating pressures of 2, 4, and 6 bar using
a 30% KOH electrolyte solution. Due to the limited number of cells (3 cells),
the desired operating temperature of 80°C could not be reached with the short
stack at the BTU Cottbus test rig. The dataset is intended to capture short
stack performance characteristics to guide necessary adjustments before
scaling to the full stack design.

Each experiment is provided in both raw format (all original sensor channels,
semicolon-delimited, comma decimal) and cleaned format (key measurement columns
only, comma-delimited, dot decimal). A column description file is included
describing the mapping between original sensor IDs and human-readable column
names.


EXPERIMENTS
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Experiment 1:   2026-01-20, 14:27:45 – 16:29:35  |  6,695 rows  |  2 bar
Experiment 2:   2026-02-03, 15:54:00 – 18:34:02  |  8,794 rows  |  4 bar
Experiment 3:   2026-02-04, 11:00:00 – 14:59:59  |  13,187 rows |  6 bar