skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Redox probing study of the potential dependence of charge transport through Li2O2

Journal Article · · Journal of Physical Chemistry. C
 [1];  [2];  [1];  [1];  [1]
  1. Technical Univ. of Denmark, Roskilde (Denmark)
  2. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)

In the field of energy storage devices the pursuit for cheap, high energy density, reliable secondary batteries is at the top of the agenda. The Li–O2 battery is one of the possible technologies that, in theory, should be able to close the gap, which exists between the present state-of-the-art Li-ion technologies and the demand placed on batteries by technologies such as electrical vehicles. Here we present a redox probing study of the charge transfer across the main deposition product lithium peroxide, Li2O2, in the Li–O2 battery using outer-sphere redox shuttles. The change in heterogeneous electron transfer exchange rate as a function of the potential and the Li2O2 layer thickness (~depth-of-discharge) was determined using electrochemical impedance spectroscopy. In addition, the attenuation of the electron transfer exchange rate with film thickness is dependent on the probing potential, providing evidence that hole transport is the dominant process for charge transfer through Li2O2 and showing that the origin of the sudden death observed upon discharge is due to charge transport limitations.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
11-116792; AC02-76SF00515
OSTI ID:
1230058
Journal Information:
Journal of Physical Chemistry. C, Vol. 119, Issue C; ISSN 1932-7447
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 27 works
Citation information provided by
Web of Science

References (39)

Nonaqueous Li–Air Batteries: A Status Report journal October 2014
A highly active nanostructured metallic oxide cathode for aprotic Li–O 2 batteries journal January 2015
Solvating additives drive solution-mediated electrochemistry and enhance toroid growth in non-aqueous Li–O2 batteries journal December 2014
The Influence of Water and Protons on Li 2 O 2 Crystal Growth in Aprotic Li-O 2 Cells journal January 2015
Lithium salts for advanced lithium batteries: Li–metal, Li–O 2 , and Li–S journal January 2015
Li–O 2 Battery Degradation by Lithium Peroxide (Li 2 O 2 ): A Model Study journal December 2012
A New Look at the Stability of Dimethyl Sulfoxide and Acetonitrile in Li-O2 Batteries journal January 2014
Instability of Ionic Liquid-Based Electrolytes in Li–O 2 Batteries journal July 2015
Twin Problems of Interfacial Carbonate Formation in Nonaqueous Li–O 2 Batteries journal March 2012
Chemical and Morphological Changes of Li–O 2 Battery Electrodes upon Cycling journal September 2012
The Carbon Electrode in Nonaqueous Li–O2 Cells
  • Ottakam Thotiyl, Muhammed M.; Freunberger, Stefan A.; Peng, Zhangquan
  • Journal of the American Chemical Society, Vol. 135, Issue 1, p. 494-500 https://doi.org/10.1021/ja310258x
journal December 2012
Screening for Superoxide Reactivity in Li-O 2 Batteries: Effect on Li 2 O 2 /LiOH Crystallization journal February 2012
The role of LiO2 solubility in O2 reduction in aprotic solvents and its consequences for Li–O2 batteries journal November 2014
Enhancing electrochemical intermediate solvation through electrolyte anion selection to increase nonaqueous Li–O 2 battery capacity journal July 2015
Trade-Offs in Capacity and Rechargeability in Nonaqueous Li–O 2 Batteries: Solution-Driven Growth versus Nucleophilic Stability journal March 2015
An Electrochemical Impedance Spectroscopy Investigation of the Overpotentials in Li–O 2 Batteries journal February 2015
Identifying Capacity Limitations in the Li/Oxygen Battery Using Experiments and Modeling journal January 2011
Electrical conductivity in Li 2 O 2 and its role in determining capacity limitations in non-aqueous Li-O 2 batteries journal December 2011
The Decamethylferrocenium/Decamethylferrocene Redox Couple:  A Superior Redox Standard to the Ferrocenium/Ferrocene Redox Couple for Studying Solvent Effects on the Thermodynamics of Electron Transfer journal July 1999
Heterogeneous Electron-Transfer Dynamics of Decamethylferrocene from 130 to 181 K journal December 1994
Electrochemistry of metallocenes at very negative and very positive potentials. Electrogeneration of 17-electron Cp2Co2+, 21-electron Cp2Co2-, and 22-electron Cp2Ni2- species journal August 1993
Electronic structure of Li2O2 {0001} surfaces journal May 2012
Lithium and oxygen vacancies and their role in Li 2 O 2 charge transport in Li–O 2 batteries journal January 2014
Tunneling and Polaron Charge Transport through Li 2 O 2 in Li–O 2 Batteries journal September 2013
Implications of the formation of small polarons in Li 2 O 2 for Li-air batteries journal January 2012
DFT+U Study of Polaronic Conduction in Li 2 O 2 and Li 2 CO 3 : Implications for Li–Air Batteries journal March 2013
Minimization of High‐Frequency Phase Shifts in Impedance Measurements journal April 1988
A Study of the Influence of Lithium Salt Anions on Oxygen Reduction Reactions in Li-Air Batteries journal January 2015
Voltammetric Characterization of the Ferrocene|Ferrocenium and Cobaltocenium|Cobaltocene Redox Couples in RTILs journal February 2008
Electrochemical studies of ferrocene in a lithium ion conducting organic carbonate electrolyte journal November 2009
A Linear Kronig‐Kramers Transform Test for Immittance Data Validation journal June 1995
Heterogeneous reaction rate constants by steady-state microelectrode techniques and fast scan voltammetry journal October 2013
Electrode Kinetics Associated with Tetracyanoquinodimethane (TCNQ), TCNQ •– , and TCNQ 2– Redox Chemistry in Acetonitrile As Determined by Analysis of Higher Harmonic Components Derived from Fourier Transformed Large Amplitude ac Voltammetry journal November 2011
Role of Li 2 O 2 @Li 2 CO 3 Interfaces on Charge Transport in Nonaqueous Li–Air Batteries journal August 2015
First-principles study of the oxygen evolution reaction of lithium peroxide in the lithium-air battery journal November 2011
Impact of Space-Charge Layers on Sudden Death in Li/O 2 Batteries journal July 2015
Solvents’ Critical Role in Nonaqueous Lithium–Oxygen Battery Electrochemistry journal May 2011
Combining Accurate O 2 and Li 2 O 2 Assays to Separate Discharge and Charge Stability Limitations in Nonaqueous Li–O 2 Batteries journal August 2013
Reactions and SEI Formation during Charging of Li-O2 Cells journal January 2015

Cited By (6)

Understanding the Reaction Interface in Lithium-Oxygen Batteries journal October 2018
Amorphous Li 2 O 2 : Chemical Synthesis and Electrochemical Properties journal August 2016
Anomalous Discharge Behavior of Graphite Nanosheet Electrodes in Lithium-Oxygen Batteries journal December 2019
Identifying Reactive Sites and Transport Limitations of Oxygen Reactions in Aprotic Lithium-O 2 Batteries at the Stage of Sudden Death journal March 2016
Identifying Reactive Sites and Transport Limitations of Oxygen Reactions in Aprotic Lithium-O 2 Batteries at the Stage of Sudden Death journal March 2016
Understanding the Reaction Interface in Lithium-Oxygen Batteries journal January 2019

Similar Records

High-Capacity P2-Type NaxLi0.25Mn0.75O2 Cathode Enabled by Anionic Oxygen Redox
Journal Article · Thu Jan 02 00:00:00 EST 2020 · Journal of the Electrochemical Society (Online) · OSTI ID:1230058

Chemical Challenges that the Peroxide Dianion Presents to Rechargeable Lithium–Air Batteries
Journal Article · Thu Apr 21 00:00:00 EDT 2022 · Chemistry of Materials · OSTI ID:1230058

Enhancing the performance of lithium oxygen batteries through combining redox mediating salts with a lithium protecting salt
Journal Article · Thu Apr 15 00:00:00 EDT 2021 · Journal of Power Sources · OSTI ID:1230058

Related Subjects