Musanna Galib
Betar M. Gallant
204_01 ← click to see all uploads with this sample ID
Not published yet
Li‖Cu half-cell from a lithium-metal SEI/coulombic-efficiency quantification method study (Steinberg et al., SI nz5c01274). Crimped at 0.82 T (MTI electronic crimper). Coulombic efficiency 97.11%, total capacity loss 0.6119 mAh, ICP-quantified Li inventory loss 0.3178 mAh (from cyc_num_metadata.csv, row 204_01 — the underlying ICP file for this value, 241104_202to204.txt, is not included in this upload), recovery fraction 0.519.
2026-10-20 23:55:41
1f7b5b25-44b0-4d3b-88be-a787cf140016
How to Cite
1 — Cite the dataset paper
No publication DOI linked — add one via Edit to enable data citation.
2 — Cite the ESRA platform
Galib, M. et al. (2026). ESRA: Energy Storage Research Assistant. Argonne National Laboratory. https://github.com/MusannaGalib/esra-platform
CC BY 4.0  ·  Data shared under Creative Commons Attribution 4.0

Storage LocationNERSC Community File System

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Materials Studied 6 materials

Material Family Role(s) Ion
Li
Purchased / commercial Cell assembly
  1. Other
    notes: Rolled out to approximately 4x original chip size
Alkali metal
Anode
Anode, Counter electrode Li
Cu
Purchased / commercial Electrode fabrication
  1. Wash
    solvent: acetone
  2. Wash
    solvent: Milli-Q water
  3. Wash
    solvent: 1 M HCl (aq), Fisher ACS Plus
  4. Vacuum dry
    duration: overnighttemperature: 50 °C
Current-collector metal
Other
Working electrode, Current collector —
Celgard 2325
Purchased / commercial Cell assembly
  1. Vacuum dry
    duration: overnighttemperature: 50 °C
Separator material
Other
Separator —
LP40
Confirmed for ICP rows 153_05/153_06 and 156_03/156_04 via cyc_num_metadata.csv; not confirmed for every row in the two ICP files included in this upload. Source: SI, Experimental Methods > Materials, p.17.
Purchased / commercial Sigma Aldrich · battery grade, used as received
Carbonate
Liquid
Electrolyte Li
LiFSI DME
Salt concentration / exact ratio not stated in the available SI pages — only the name "LiFSI DME" is used throughout. LiFSI itself: 99.9+%, Arkema, vacuum dried at 120 °C (SI, Materials, p.17). Used for cell 261_01 (cyc_num_metadata.csv: electrolyte=fsidme, cyc=6, matching the SI's '6 cycles for LiFSI DME' target).
Made in this work Electrolyte preparation
Ether / glyme
Liquid
Electrolyte Li
LiFSI DME/TTE LHCE
Salt concentration / DME:TTE ratio not stated in the available SI pages — only the qualitative name is used (e.g. Figure S3a caption). Used for cell 204_01 (cyc_num_metadata.csv: electrolyte=lhce, cyc=12, matching the SI's '12 cycles for LiFSI DME/TTE LHCE' target).
Made in this work Electrolyte preparation
Localized high-concentration
Liquid
Electrolyte Li

Declared for sample 204_01 — shared by every dataset on this sample.

Experiment Metadata

Cell Type half
Visibility public
Electrolyte LiFSI in DME/TTE ("LiFSI DME/TTE LHCE")
Cell Geometry 2032 coin cell
Temperature C 25.0
Anode Material Li metal foil (counter electrode)
Cell Id Source Filename 204_01_1-1.csv, confirmed by cyc_num_metadata.csv row 204_01
Cathode Material None — bare Cu foil (working electrode, no active material)
Cell Type Source SI, Electrochemical testing, p.17 (Cu WE vs Li CE, Figure S2a)
Institution Code ESRA
Number Of Cycles 12.0
Protocol Summary Rested 5 h; constant-capacity galvanostatic plating at 0.5 mA/cm2 to 1 mAh/cm2; stripped to 1 V cutoff; 5 min rest between half-cycles
Electrode Area Cm2 2.01
Electrolyte Source cyc_num_metadata.csv, row 204_01 (electrolyte=lhce); exact salt concentration/ratio not stated in available SI pages
Cell Geometry Source SI, Electrochemical testing, p.17
Temperature C Source SI, Electrochemical testing, p.17 ('temperature-controlled incubator at 25°C')
Anode Material Source Researcher-confirmed labelling; SI Figure S2a, p.4
Cell Geometry Verbatim 2032-type coin cell
Cathode Material Source Researcher-confirmed labelling for this Li||Cu CE cell; cell schematic in SI Figure S2a, p.4
Number Of Cycles Source cyc_num_metadata.csv, row 204_01 (cyc=12); matches SI's stated target of 12 cycles for LiFSI DME/TTE LHCE, p.19
Protocol Summary Source SI, Electrochemical testing, p.17
Electrode Area Cm2 Source Computed from SI-stated 16 mm Cu WE diameter (SI, Electrochemical testing, p.17: 'Cu foil working electrode (WE, 16 mm diameter)'); area = pi*(0.8 cm)^2. Researcher's choice — a per-cell tracking sheet (cyc_num_metadata.csv) lists Cu_d(mm)=15 for this cell, not used here.
Cell Geometry Verbatim Source SI, Electrochemical testing, p.17

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v1 (latest) 2026-10-21 04:56 UTC published at upload · ESRA (automatic) 2 files · 1.1 MB compare with now