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Title: Revisiting the Corrosion of the Aluminum Current Collector in Lithium-Ion Batteries

Journal Article · · Journal of Physical Chemistry Letters

The corrosion of aluminum current collectors and the oxidation of solvents at a relatively high potential have been widely investigated with an aim to stabilize the electrochemical performance of lithium-ion batteries using such components. The corrosion behavior of aluminum current collectors was revisited using a home-build high-precision electrochemical measurement system, and the impact of electrolyte components and the surface protection layer on aluminum foil was systematically studied. The electrochemical results showed that the corrosion of aluminum foil was triggered by the electrochemical oxidation of solvent molecules, like ethylene carbonate, at a relative high potential. The organic radical cations generated from the electrochemical oxidation are energetically unstable, and readily undergo a deprotonation reaction that generates protons and promote the dissolution of Al3+ from the aluminum foil. Finally, this new reaction mechanism can also shed light on the dissolution of transitional metal at high potentials.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1372064
Journal Information:
Journal of Physical Chemistry Letters, Vol. 8, Issue 5; ISSN 1948-7185
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 125 works
Citation information provided by
Web of Science

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Cited By (16)

Interphases in Electroactive Suspension Systems: Where Chemistry Meets Mesoscale Physics journal April 2019
Oxygen Release and Its Effect on the Cycling Stability of LiNi x Mn y Co z O 2 (NMC) Cathode Materials for Li-Ion Batteries journal January 2017
Identifying Contact Resistances in High-Voltage Cathodes by Impedance Spectroscopy journal January 2019
Solid-State Lithium/Selenium-Sulfur Chemistry Enabled via a Robust Solid-Electrolyte Interphase journal November 2018
A Review of Inactive Materials and Components of Flexible Lithium-Ion Batteries journal September 2017
Fluor und Lithium: Ideale Partner für Elektrolyte in wiederaufladbaren Hochleistungsbatterien journal July 2019
The Investigation of Electrolyte Oxidation and Film Deposition Characteristics at High Potentials in a Carbonate-Based Electrolyte Using Pt Electrode journal January 2018
Recent advances toward high voltage, EC-free electrolytes for graphite-based Li-ion battery journal September 2018
Mechanism of Gases Generation during Lithium-Ion Batteries Cycling journal January 2019
Advances in sodium secondary batteries utilizing ionic liquid electrolytes journal January 2019
Building Better Batteries in the Solid State: A Review journal November 2019
An organic–inorganic semi-interpenetrating network ionogel electrolyte for high-voltage lithium metal batteries journal January 2020
Fluorine and Lithium: Ideal Partners for High‐Performance Rechargeable Battery Electrolytes journal November 2019
Biomass‐Derived Poly(Furfuryl Alcohol)–Protected Aluminum Anode for Lithium‐Ion Batteries journal April 2019
Interphases in Electroactive Suspension Systems: Where Chemistry Meets Mesoscale Physics journal July 2019
Toward Low-Cost All-Organic and Biodegradable Li-Ion Batteries journal March 2020

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