cellpy

Extract and tweak data from electro-chemical tests of battery cells.
https://github.com/jepegit/cellpy

Category: Energy Storage
Sub Category: Battery

Keywords

battery chemistry data-analysis electrochemistry opensource physics

Last synced: about 1 hour ago
JSON representation

Repository metadata

extract and tweak data from electrochemical tests of cells

Host: GitHub
URL: https://github.com/jepegit/cellpy
Owner: jepegit
License: mit
Created: 2015-12-17T11:33:35.000Z (almost 11 years ago)
Default Branch: master
Last Pushed: 2026-11-03T12:15:54.000Z (5 days ago)
Last Synced: 2026-11-08T08:02:16.831Z (about 1 hour ago)
Topics: battery, chemistry, data-analysis, electrochemistry, opensource, physics
Language: Python
Homepage:
Size: 475 MB
Stars: 112
Watchers: 8
Forks: 40
Open Issues: 43
Releases: 53
Metadata Files:
- Readme: README.md
- Changelog: HISTORY.md
- Contributing: CONTRIBUTING.md
- License: LICENSE.md
- Code of conduct: CODE_OF_CONDUCT.md
- Authors: AUTHORS.md
- Agents: AGENTS.md
- Cursor: .cursor/rules/cellpy-core-migration.mdc

cellpy - a library for assisting in analysing batteries and cells

This Python Package was developed to help the
researchers at IFE, Norway, in their cumbersome task of
interpreting and handling data from cycling tests of

Features

Convert testing data into a common format
Summarize and compare data
Filter out the steps of interest
Process and plot the data
Do simple and advanced analysis on single datasets as well as collections of datasets
And more!

Documentation

The documentation for cellpy is hosted on Read the Docs.

Installation and dependencies

The easiest way to install cellpy is to install with conda or pip.

With conda:

conda install -c conda-forge cellpy

Or if you prefer installing using pip:

python -m pip install cellpy

Have a look at the documentation for more detailed installation procedures, especially
with respect to "difficult" dependencies when installing with pip.

License

cellpy is free software made available under the MIT License.

Citing cellpy

If you use cellpy in your work, please cite our paper:

Wind J., Ulvestad A., Abdelhamid M., Mæhlen J.P. (2024). Cellpy – an open-source library for processing and analysis of battery testing data. Journal of Open Source Software, 9(97), 6236.

Contributing

Contributions are welcome, and they are greatly appreciated! Every
little bit helps, and credit will always be given. If you want to contribute,
please have a look at Contributing Guidelines.

Owner metadata

Name: Jan Petter Maehlen
Login: jepegit
Email: jepe@ife.no
Kind: user
Description: I am a physicist. And I am a researcher working on silicon as a new material for lithium batteries at IFE in Norway. Now and then I write some code in Python.
Website: www.ife.no
Location: Kjeller, Norway
Twitter:
Company: IFE
Icon url: https://avatars.githubusercontent.com/u/16334959?u=57f81e28311554650b6fbbaf97b84b1c794c8d37&v=4
Repositories: 28
Last ynced at: 2026-11-01T04:33:31.500Z
Profile URL: https://github.com/jepegit

GitHub Events

Total

Create event: 86
Delete event: 75
Fork event: 1
Issue comment event: 16
Issues event: 45
Pull request event: 27
Pull request review comment event: 2
Pull request review event: 6
Push event: 342
Release event: 1
Watch event: 12

Last Year

Create event: 78
Delete event: 75
Issue comment event: 4
Issues event: 22
Pull request event: 18
Pull request review comment event: 2
Pull request review event: 6
Push event: 189
Release event: 1
Watch event: 3

Name	Email	Commits
jepegit	j**e@i**o	2949
AD\torkv	t**a@g**m	214
dependabot[bot]	4****]	121
amundmr	a**h@g**m	48
Julia Wind	J**d@i**o	36
asbjornu	a**d@i**o	16
pyup.io bot	g**t@p**o	11
AnonymousSnek	U**n@f**o	11
Meghana Sudarshan	m**n@i**o	4
Ozstein	o**n@g**m	4
muhammada	D****\|	4
Amund Midtgard Raniseth	a**h@i**o	3
Mojtaba Barzegari	4****y	2
Michael Chon	m**n@g**m	2
Rasmus Vester Thøgersen	1****s	2
torvara	t**a@n**o	2
Floze	8****s	1
Jayce Slesar	4****r	1
Matthias Baer	m**r@g**m	1
carlf	c**s@o**m	1
Sanjay Santhanam	5****2	1

Issue and Pull Request metadata

Last synced: 1 day ago

Total issues: 471
Total pull requests: 720
Average time to close issues: 2 months
Average time to close pull requests: 5 days
Total issue authors: 28
Total pull request authors: 20
Average comments per issue: 0.81
Average comments per pull request: 0.43
Merged pull request: 608
Bot issues: 18
Bot pull requests: 119

Past year issues: 311
Past year pull requests: 533
Past year average time to close issues: 5 days
Past year average time to close pull requests: about 4 hours
Past year issue authors: 9
Past year pull request authors: 6
Past year average comments per issue: 0.45
Past year average comments per pull request: 0.51
Past year merged pull request: 527
Past year bot issues: 18
Past year bot pull requests: 119

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/jepegit/cellpy

Top Issue Authors

jepegit (378)
cursor[bot] (18)
inger-emma (11)
ma-sadeghi (8)
alexanjk (6)
asbjorul (6)
morrowrasmus (6)
amundmr (6)
juliawind (4)
msudars (3)
jayceslesar (2)
JohnBolander (2)
MaximevdHeijden (2)
agerwick (2)
kevinsmia1939 (2)

Top Pull Request Authors

jepegit (452)
dependabot[bot] (119)
pyup-bot (107)
juliawind (9)
torvara (6)
msudars (4)
mbarzegary (3)
asbjorul (3)
kevinsmia1939 (3)
morrowrasmus (2)
inger-emma (2)
amundmr (2)
carlerikfoss (1)
Sanjays2402 (1)
streamengineer (1)

Top Issue Labels

v2 (123)
enhancement (90)
yolo (57)
bug (32)
code improvements (29)
cellpy2-stage4 (29)
documentation (26)
cellpy2-stage5 (19)
new feature (11)
builds and CI (9)
v1x (6)
help wanted (5)
epic (4)
urgent (4)
good first issue (4)
question (3)
wontfix (3)
resolved (3)
to core (2)
cellpy2-stage6 (2)
duplicate (2)
v1 and v2 (1)
training (1)
dependencies (1)

Top Pull Request Labels

dependencies (119)
python:uv (119)
cellpy2-stage4 (9)
v2 (6)
new feature (2)
enhancement (2)
documentation (1)

Package metadata

Total packages: 2
Total downloads:
- pypi: 1,890 last-month
- conda: 118,149 total
Total dependent packages: 0 (may contain duplicates)
Total dependent repositories: 2 (may contain duplicates)
Total versions: 226
Total maintainers: 1

pypi.org: cellpy

Extract and manipulate data from battery data testers.

Homepage: https://github.com/jepegit/cellpy
Documentation: https://cellpy.readthedocs.io
Licenses: MIT
Latest release: 2.1.5.post10 (published 19 days ago)
Last Synced: 2026-11-07T16:32:16.905Z (about 17 hours ago)
Versions: 216
Dependent Packages: 0
Dependent Repositories: 2
Downloads: 1,890 Last month
Rankings:
- Dependent packages count: 7.31%
- Stargazers count: 8.752%
- Forks count: 8.753%
- Average: 9.815%
- Dependent repos count: 11.798%
- Downloads: 12.462%
Maintainers (1)
- jepe

conda-forge.org: cellpy

Extract and manipulate data from different battery cell testers.

Homepage: https://github.com/jepegit/cellpy
Licenses: MIT
Latest release: 0.4.2 (published about 4 years ago)
Last Synced: 2026-08-07T14:49:07.376Z (3 months ago)
Versions: 10
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 118,149 Total
Rankings:
- Dependent repos count: 34.025%
- Forks count: 36.701%
- Stargazers count: 37.135%
- Average: 39.759%
- Dependent packages count: 51.175%

Dependencies

environment.yml conda

cellpycore 0.2.4
charset-normalizer
cookiecutter
cryptography
dateparser
defusedxml
hdf5
ipykernel
ipython
ipywidgets
jinja2-time
lmfit
matplotlib
numpy >= 2.2.6
openpyxl
pandas >= 3.0.3,<4
paramiko >= 5.0.0
pint
pip
platformdirs >= 4.10.0
plotly
polars
pyarrow >= 16
pydantic-settings >= 2.14.2
pygithub
pyodbc
pytables
python >= 3.13
python-isal
pyyaml
requests
rich
scipy
setuptools
sqlalchemy >= 2.0.0
tqdm
typer
universal-pathlib >= 0.3.10
xlrd >= 2.0.1
xmltodict

.github/workflows/dependabot-auto-merge.yml actions

dependabot/fetch-metadata v2 composite

.github/workflows/docs.yml actions

actions/checkout v4 composite
astral-sh/setup-uv v5 composite

.github/workflows/benchmarks.yml actions

actions/checkout v6 composite
actions/upload-artifact v4 composite
astral-sh/setup-uv v5 composite

.github/workflows/ci-scheduled.yml actions

Wandalen/wretry.action v3.5.0 composite
actions/cache v4 composite
actions/checkout v6 composite
actions/setup-python v4 composite

.github/workflows/ci.yml actions

actions/checkout v6 composite
astral-sh/setup-uv v5 composite

.github/workflows/release.yml actions

actions/checkout v4 composite
astral-sh/setup-uv v5 composite
pypa/gh-action-pypi-publish release/v1 composite

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actions/checkout v6 composite
actions/upload-artifact v3 composite
openjournals/openjournals-draft-action master composite

tests/data/goldens/loader_arbin_res/meta.json cpan

tests/data/goldens/loader_arbin_sql_h5/meta.json cpan

tests/data/goldens/loader_batmo_bdf/meta.json cpan

tests/data/goldens/loader_biologics_mpr/meta.json cpan

tests/data/goldens/loader_custom/meta.json cpan

tests/data/goldens/loader_maccor_txt/meta.json cpan

tests/data/goldens/loader_neware_txt/meta.json cpan

tests/data/goldens/loader_pec_csv/meta.json cpan

pyproject.toml pypi

cellpycore ==0.2.6
charset-normalizer *
cookiecutter *
dateparser *
defusedxml *
isal *
jinja2-time *
numpy *
openpyxl *
pandas >=3.0.3,<4
paramiko >=5.0.0
pint *
platformdirs >=4.10.0
polars *
pyarrow >=16
pydantic-settings >=2.14.2
pygithub *
pyodbc *
pyyaml *
requests *
rich *
scipy *
setuptools *
sqlalchemy >=2.0.0
sqlalchemy-access platform_system == 'Windows'
tqdm *
typer *
universal-pathlib >=0.3.10
xlrd >=2.0.1
xmltodict *

uv.lock pypi

227 dependencies

Score: 19.78354451517114

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