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Cited by 466

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Self‐Discharge of LiMn2 O 4/C Li‐Ion Cells in Their Discharged State: Understanding by Means of Three‐Electrode Measurements

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Blyr, A., Sigala, C., Amatucci, G., Guyomard, D., Chabre, Y., Tarascon, J.‐M.·1998·Journal of The Electrochemical Society

Abstract

The potential distribution through plastic Li‐ion cells during electrochemical testing was monitored by means of three‐ or four‐electrode measurements in order to determine the origin of the poor electrochemical performance (namely, premature cell failure, poor storage performance in the discharged state) of /C Li‐ion cells encountered at 55°C. Several approaches to insert reliably one or two reference electrodes that can be either metallic lithium or an insertion compound such as into plastic Li‐ion batteries are reported. Using a reference electrode, information regarding the evolution of ( i ) the state of charge of each electrode within a Li‐ion cell, ( ii ) their polarization, and ( iii ) their rate capability can be obtained. From these three‐electrode electrochemical measurements, coupled with chemical analyses, X‐ray diffraction, and microscopy studies, one unambiguously concludes that the poor 55°C performance is mainly due to the instability of the phase toward Mn dissolution in ‐type electrolytes. A mechanism, based on Mn dissolution, is proposed to account for the poor storage performance of /C Li‐ion cells.

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Metadata

Authors
Blyr, A., Sigala, C., Amatucci, G., Guyomard, D., Chabre, Y., & Tarascon, J. ‐.
Venue
Journal of The Electrochemical Society
Published
1998-01-01
Volume
145
Issue
1
Pages
194-209
ISSN
  • 0013-4651 (ISSN-L)
  • 1945-7111
OpenAlex
W2167642548
Cited by
466
References
0
FWCI
27.72
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Self‐Discharge of LiMn2 O 4/C Li‐Ion Cells in Their Discharged State: Understanding by Means of Three‐Electrode Measurements. https://app.cochat.ai/papers/10.1149/1.1838235
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Blyr, A., Sigala, C., Amatucci, G., Guyomard, D., Chabre, Y., & Tarascon, J. ‐. (1998). Self‐Discharge of LiMn2 O 4/C Li‐Ion Cells in Their Discharged State: Understanding by Means of Three‐Electrode Measurements. Journal of The Electrochemical Society. https://doi.org/10.1149/1.1838235

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