User-friendly differential voltage analysis freeware for the analysis of degradation mechanisms in Li-Ion batteries
Open accessAbstract
A user-friendly differential voltage analysis software has been developed and is described here. High-precision reference potential-specific capacity data for Li/negative electrode and Li/positive electrodes, as well as the cycled full cell potential-specific capacity, must be supplied by the user. From these, the differential voltage versus capacity, dV/dQ vs. Q, of a full Li-ion cell is calculated and compared to experiment. The calculated dV/dQ vs. Q curve has four adjustable parameters which are optimized manually with slider bars or automatically by least squares fitting of the calculation to experiment. The parameters are the positive electrode mass, the negative electrode mass, the positive electrode slippage and the negative electrode slippage. Examples of the use of the program are given for graphite/LiCoO 2 wound cells cycled for hundreds of cycles. The variation of the four parameters with cycle number give insights into the mechanisms of cell failure equivalent to that which could be obtained with a Li reference electrode inserted within the cell. The software is available free of charge by contacting the authors.
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References 6 · Cited by 246
Research works printed but not linked: 6
- [1]1. A. J. Smith, J. C. Burns, X. Zhao, D. Xiong, and J. R. Dahn, J. Electrochem. Soc., 158, A447 (2011).
- [2]2. A. J. Smith, Hannah M. Dahn, J. C. Burns, and J. R. Dahn, J. Electrochem. Soc., 159, A705 (2012).
- [3]3. I. Bloom, J. P. Christophersen, D. P. Abraham, and K. L. Gering, J. Power Sources, 157, 537 (2006).
- [4]4. I. Bloom, A. N. Jansen, D. P. Abraham, J. Knuth, S. A. Jones, V. S. Battaglia, and G. L. Henriksen, J. Power Sources, 139, 295 (2005).
- [5]5. K. Honkura, H. Honbo, Y. Koishikawa, and T. Horiba, ECS Transactions, 13, 61 (2008)
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- Authors
- Dahn, H. M., Smith, A. J., Burns, J. C., Stevens, D. A., & Dahn, J. R.
- Affiliations
- Dalhousie University (CA)
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 2012
- Volume
- 159
- Issue
- 9
- Pages
- A1405-A1409
- ISSN
- 0013-4651 (ISSN-L)
- 1945-7111
- OpenAlex
- W1995447587
- Cited by
- 246
- References
- 6
- Citations by year
- 2026: 19 · 2025: 21 · 2024: 34 · 2023: 19 · 2022: 28 · 2021: 18 · 2020: 28 · 2019: 18 · 2018: 11 · 2017: 12 · 2016: 16 · 2015: 10 · 2014: 10 · 2013: 2
- FWCI
- 12.65
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of The Electrochemical Society (publishedVersion)
- Funders
- Canada Research Chairs
- Natural Sciences and Engineering Research Council of Canada
- Topics
- Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
- Physical Sciences › Engineering › Mechanical Engineering › Extraction and Separation Processes
- Keywords
- differential voltage analysis, lithium-ion batteries, battery degradation mechanisms, cell failure, free software
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