DataVXACS Applied Energy MaterialsPaper
journal article·2018-11-26

Effect of the Electrolyte on the Cycling Efficiency of Lithium-Limited Cells and their Morphology Studied Through in Situ Optical Imaging

Rodrigo Rodriguez, Kathryn E. Loeffler, Ruth A. Edison, Ryan M. Stephens, Andrei Dolocan, Adam Heller, C. Buddie Mullins

ACS Applied Energy Materials· Volume 1· Issue 11
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Source abstract

Abstract

Capacity retention of anode-free cells, in which the cathode’s lithium was the sole lithium source, was studied. These cells fail by depletion of their limited amount of cycling lithium, unlike cells with lithium foil anodes in which the buildup of an insulating, dead lithium layer on the anodes causes failure. The electrolyte dependence of the deposition morphologies was also studied optically in a symmetrical cell built with lithium electrodes. After passage of 28 mAh cm–2, dendrite-free deposits were observed in a concentrated LiNO3 electrolyte. SEI characterization revealed that this LiNO3 concentrated electrolyte formed a Li2O enriched and organic polymer depleted interphase.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storagePolymersMaterials processing

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced Battery Technologies Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712-1589, United States

Shell International Exploration & Production Inc., Houston, Texas 77082, United States

Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712-1591, United States

Center for Electrochemistry, The University of Texas at Austin, Austin Texas 78712-0165, United States

Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712-1224, United States

Funding

Welch Foundation · Division of Chemical, Bioengineering, Environmental, and Transport Systems · Shell

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