Particle Size Effects on the Electrochemical Performance of Copper Oxides toward Lithium
Open accessAbstract
The electrochemical reactivity of tailor-made or CuO powders prepared according to the polyol process was tested in rechargeable Li cells. To our surprise, we demonstrated that CuO, a material well known for primary Li cells, and could reversibly react with 1.1 Li and 2 Li ions per formula unit, respectively, leading to reversible capacities as high as 400 mAh/g in the 3-0.02 V range. The ability of copper oxide-based Li cells to retain their capacity upon numerous cycles was found to be strongly dependent on the particle size, and the best results (100% of the total capacity up to 70 cycles) were obtained with 1 μm and CuO particles. Ex situ transmission electron microscopy data and in situ X-ray experiments show that the reduction mechanism of by Li first involved the formation of Cu nanograins dispersed into a lithia matrix, followed by the growth of an organic coating that partially dissolved upon the subsequent charge while Cu converted back to nanograins. We believe that the key to the reversible reactivity mechanism of copper oxides or other transition metal oxides toward Li is the electrochemically driven formation of highly reactive metallic nanograins during the first discharge, which enables the formation-decomposition of upon subsequent cycles. © 2001 The Electrochemical Society. All rights reserved.
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The change in interfacial properties underpins degradation for these batteries.
“suggesting that it is the change in the interfacial properties that underpins degradation for these batteries; this is consistent with the results obtained in previous works35”
From Identifying degradation patterns of lithium ion batteries from impedance spectroscopy using machine learning (2020) · cites this paper as [35]
The Conclusions (page unavailable) say that an organic coating at the electrode surface can, depending on precursor size, negatively affect capacity retention during cycling. This supports a possible link between interfacial changes and degradation in the copper-oxide cells studied, but not the unqualified claim that such changes underpin degradation for these batteries generally. (LLM, conf=0.85)
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Cites
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Research works printed but not linked: 2
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Zhang, Y., Tang, Q., Zhang, Y., Wang, J., Stimming, U., & Lee, A. A. (2020) · Nature Communications · doi:10.1038/s41467-020-15235-7 · Cited by 889 · see citing works
“…region, suggesting that it is the change in the interfacial properties that underpins degradation for these batteries; this is consistent with the results obtained in previous works 35 , but we demonstrate how a machine-learning framework can aid the interpretation of high-dimensional spectra.”
Result
- Authors
- Grugeon, S., Laruelle, S., Herrera-Urbina, R., Dupont, L., Poizot, P., & Tarascon, J.-M.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- Universidad de Sonora (MX)
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 2001
- Volume
- 148
- Issue
- 4
- Pages
- A285
- ISSN
- 0013-4651 (ISSN-L)
- OpenAlex
- W1979325119
- Cited by
- 693
- References
- 16
- Citations by year
- 2026: 7 · 2025: 9 · 2024: 8 · 2023: 13 · 2022: 10 · 2021: 26 · 2020: 16 · 2019: 27 · 2018: 27 · 2017: 34 · 2016: 50 · 2015: 52 · 2014: 45 · 2013: 58 · 2012: 50
- FWCI
- 24.26
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of The Electrochemical Society (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Battery Materials and Technologies
- Physical Sciences › Materials Science › Materials Chemistry › Copper-based nanomaterials and applications
- Keywords
- copper oxide, lithium-ion batteries, particle size effects, polyol synthesis, reversible capacity, cycling stability, transition metal oxides, lithiation and delithiation
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