Material and Design Options for Avoiding Lithium Plating during Charging

Material and Design Options for Avoiding Lithium Plating during Charging

A two-dimensional model presented, including the thickness and electrode edge-overlap directions, which successfully predicts the onset of lithium plating observed experimentally with carbon negative electrodes under certain conditions. Plating with Li4Ti5O12 neither occurred experimentally nor was...

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Hauptverfasser: Eberman, Kevin, Gomadam, Parthasarathy, Jain, Gaurav, Scott, Erik
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Gomadam, Parthasarathy
Jain, Gaurav
Scott, Erik
description A two-dimensional model presented, including the thickness and electrode edge-overlap directions, which successfully predicts the onset of lithium plating observed experimentally with carbon negative electrodes under certain conditions. Plating with Li4Ti5O12 neither occurred experimentally nor was it predicted by the model, over a wide parameter window up to 5C. High charge rate (e.g. up to 5C) with up to 1.7mm "underlap" (positive-electrode edge extending beyond that of the negative-electrode) can be accomplished with a negative-electrode open-circuit potential 0.4V vs. lithium.
doi_str_mv 10.1149/1.3414003
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identifier ISSN: 1938-5862
ispartof ECS transactions, 2010, Vol.25 (35), p.47-58
issn 1938-5862
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source IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link
title Material and Design Options for Avoiding Lithium Plating during Charging
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