Published August 2, 2026 | Version v1
Dataset

Flow Battery Reproducibility Study – Participant 46 (Phase 2b)

  • 1. STFC

Description

Submission from participant 46 as part of the Flow Battery Reproducibility Study, Phase 2b. Job role: Staff (Postdoc, technical, academic). Experience: 5–10 years.

Additional details

Domain Specific Metadata

 
Property Value
Fb Data Collection Phase Phase 2b
Fb Job Role Staff (Postdoc, technical, academic)
Fb Experience Flow Batteries 5–10 years
Fb Participant Identifier 46
Fb Number Of Repeats 3
Fb Electrode Pretreatment Type Heat-treated
Fb Heat Treatment Furnace Type Muffle
Fb Heat Treatment Atmosphere Air
Fb Heat Treatment Ramp Rate 0.0
Fb Heat Treatment Dwell Temperature 400.0
Fb Heat Treatment Dwell Time 25.0
Fb Heat Treatment Cooling Method Passive
Fb Heat Treatment Cooling Details Allowed to cool in furnace after turning off power for 5-10 minutes then further allowed to cool to room temperature on benchtop
Fb Heat Treatment Batching Treated individually before each test
Fb Time Between Heat Treatment And Use 24.0
Fb Electrode Storage After Heat Treatment Open to air
Fb Electrode Storage After Receipt Open to air
Fb Membrane Storage Type Wet
Fb Membrane Storage Liquid deionised H2O
Fb Membrane Storage Details Membrane was stored in container included in test kit but new dionized H2O was used until no ambient color was present
Fb Membrane Pretreatment No (used as received)
Fb Ferrocyanide Chemical Details Potassium hexacyanoferrate(II) trihydrate, K4Fe(CN)6 · 3H2O
Fb Ferrocyanide Purity 98.5
Fb Ferrocyanide Supplier Sigma Aldrich
Fb Ferricyanide Chemical Identity Potassium ferricyanide(III), K3Fe(CN)6
Fb Ferricyanide Purity 99.0
Fb Ferricyanide Supplier Sigma Aldrich
Fb Supporting Electrolyte Identity Potassium chloride, KCl
Fb Potassium Chloride Purity 99.0
Fb Potassium Chloride Supplier Sigma Aldrich
Fb Water Type Deionised
Fb Water Purification System Thermo Scientific Barnstead
Fb Water Purification Details Mega-Pure system ACS
Fb Electrolyte Preparation Strategy Multiple stock batches used across repeats
Fb Electrolyte Batch Size 400.0
Fb Electrolyte Storage Environment Ambient lab light
Fb Electrolyte Storage Duration 48.0
Fb Electrolyte Volume Measurement Method Volumetric
Fb Reagent Purity Used No
Fb Water Ph Measured Yes
Fb Electrolyte Ph Measured Yes
Fb Electrode Cutting Method Freehand cutting using scissors
Fb Potentiostat Usage Single instrument for all tests
Fb Potentiostat Manufacturer Cycling Other
Fb Potentiostat Model Cycling Pine Research Wavedriver 100
Fb Potentiostat Manufacturer Polarisation Other
Fb Potentiostat Model Polarisation Pine Research Wavedriver 100
Fb Potentiostat Manufacturer Impedance Other
Fb Potentiostat Model Impedance Pine Research Wavedriver 100
Fb Potentiostat Calibration Frequency Calibrated only when issues arise
Fb Potentiostat Calibration Method Dummy cell (manufacturer supplied)
Fb Connection Method Crocodile/alligator clips
Fb Electrical Connection Scheme 4-point (4-wire)
Fb Potentiostat Cable Length 1–2 m
Fb Potentiostat Cable Type Manufacturer cable – standard length
Fb Potentiostat Cable Shielding Shielded
Fb Number Of Pumps Single (including dual head)
Fb Pump Type Peristaltic
Fb Pump Manufacturer auroprosci
Fb Pump Model M6-3 EasyPump
Fb Reservoir Material Glass (borosilicate)
Fb Reservoir Type erlenmeyer flask
Fb Reservoir Volume 125.0
Fb Electrolyte Volume Used 100
Fb Impedance Reservoir Config Single reservoir
Fb Polarisation Reservoir Config Single reservoir
Fb Temperature Control Ambient (not controlled)
Fb Laboratory Temperature 22–24 °C
Fb Pump Flow Rate Calibrated Yes
Fb Calibration With Cell No
Fb Calibration Fluid Water
Fb Pump Recalibrated No
Fb Pump Calibration Method Manual volumetric
Fb Leak Test Performed No
Fb Break In Performed No
Fb Cell Assembly Issues Only minor issues, my clamp can't hold the cell without interfering with the inlet and outlet so I either needed to find another person to hold it or tighten the bolts out of order to tighten it sufficiently
Fb Additional Experiments Yes
Fb Repeat Method Full cell disassembly and rebuild, fresh electrolyte
Fb Electrolyte Leakage Reported Yes
Fb Typical Group Practice Leaks Tolerate minor leaks (documentation/reporting unnecessary)
Fb Electrolyte Stirring No
Fb Electrolyte Sparging No
Fb Polarisation Beyond Limits No
Fb Impedance Control Mode Potentiostatic (PEIS)
Fb Consent Public Display Yes