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Effect of Vinylene Carbonate and Fluoroethylene Carbonate on SEI Formation on Graphitic Anodes in Li-Ion Batteries

Journal Article · · Journal of the Electrochemical Society
DOI:https://doi.org/10.1149/2.0021513jes· OSTI ID:1454692
 [1];  [2];  [2];  [2];  [2];  [2];  [3];  [2]
  1. Univ. of Rhode Island, Kingston, RI (United States); Rhode Island University
  2. Univ. of Rhode Island, Kingston, RI (United States)
  3. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
+ Show Author Affiliations
Binder free (BF) graphite electrodes were utilized to investigate the effect of electrolyte additives fluoroethylene carbonate (FEC) and vinylene carbonate (VC) on the structure of the solid electrolyte interface (SEI). The structure of the SEI has been investigated via ex-situ surface analysis including X-ray Photoelectron spectroscopy (XPS), Hard XPS (HAXPES), Infrared spectroscopy (IR) and transmission electron microscopy (TEM). The components of the SEI have been further investigated via nuclear magnetic resonance (NMR) spectroscopy of D2O extractions. The SEI generated on the BF-graphite anode with a standard electrolyte (1.2 M LiPF6 in ethylene carbonate (EC) / ethyl methyl carbonate (EMC), 3/7 (v/v)) is composed primarily of lithium alkyl carbonates (LAC) and LiF. Incorporation of VC (3% wt) results in the generation of a thinner SEI composed of Li2CO3, poly(VC), LAC, and LiF. Incorporation of VC inhibits the generation of LAC and LiF. Incorporation of FEC (3% wt) also results in the generation of a thinner SEI composed of Li2CO3, poly(FEC), LAC, and LiF. The concentration of poly(FEC) is lower than the concentration of poly(VC) and the generation of LAC is inhibited in the presence of FEC. The SEI appears to be a homogeneous film for all electrolytes investigated.
Research Organization:
Brown Univ., Providence, RI (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0007074
OSTI ID:
1454692
Alternate ID(s):
OSTI ID: 1229040
Journal Information:
Journal of the Electrochemical Society, Journal Name: Journal of the Electrochemical Society Journal Issue: 13 Vol. 162; ISSN 0013-4651
Publisher:
The Electrochemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Fluoroethylene Carbonate Additives to Render Uniform Li Deposits in Lithium Metal Batteries journal January 2017
A Simple Electrode‐Level Chemical Presodiation Route by Solution Spraying to Improve the Energy Density of Sodium‐Ion Batteries journal September 2019
Advances in Interfaces between Li Metal Anode and Electrolyte journal December 2017
Effect of Electrolyte Additives on the LiNi 0.5 Mn 0.3 Co 0.2 O 2 Surface Film Formation with Lithium and Graphite Negative Electrodes journal November 2019
From Charge Storage Mechanism to Performance: A Roadmap toward High Specific Energy Sodium-Ion Batteries through Carbon Anode Optimization journal March 2018
Predicting Calendar Aging in Lithium Metal Secondary Batteries: The Impacts of Solid Electrolyte Interphase Composition and Stability journal August 2018
Facile Stabilization of the Sodium Metal Anode with Additives: Unexpected Key Role of Sodium Polysulfide and Adverse Effect of Sodium Nitrate journal May 2018
Fluor und Lithium: Ideale Partner für Elektrolyte in wiederaufladbaren Hochleistungsbatterien journal July 2019
Facile Stabilization of the Sodium Metal Anode with Additives: Unexpected Key Role of Sodium Polysulfide and Adverse Effect of Sodium Nitrate journal May 2018
Fluorine and Lithium: Ideal Partners for High‐Performance Rechargeable Battery Electrolytes journal November 2019
A Comparison of Formation Methods for Graphite//LiFePO 4 Cells journal January 2019
Simple Green Synthesis and Electrochemical Performance of a New Fluorinated Carbonate as Additive for Lithium-Ion Batteries journal April 2018
Revealing the Critical Factor in Metal Sulfide Anode Performance in Sodium‐Ion Batteries: An Investigation of Polysulfide Shuttling Issues journal November 2019
Designing solid-state interfaces on lithium-metal anodes: a review journal September 2019
Degradation Mechanisms and Mitigation Strategies of Nickel-Rich NMC-Based Lithium-Ion Batteries journal October 2019
Artificial lithium fluoride surface coating on silicon negative electrodes for the inhibition of electrolyte decomposition in lithium-ion batteries: visualization of a solid electrolyte interphase using in situ AFM journal January 2018
Investigation of the Lithium Solid Electrolyte Interphase in Vinylene Carbonate Electrolytes Using Cu||LiFePO 4 Cells journal January 2017
SEI Grown on MCMB-Electrode with Fluoroethylene Carbonate and Vinylene Carbonate Additives as Probed by In Situ DRIFTS journal January 2019
Olivine-LiNiPO 4 Thin Films: Chemical Compatibility with Liquid Electrolyte and Interface Stability at High Potential journal January 2018
Enhancement in High-Rate Performance of Graphite Anodes via Interface Modification Utilizing Ca(BF 4 ) 2 as an Electrolyte Additive in Lithium Ion Batteries journal January 2019
Improving the Cycling Performance of High-Voltage NMC111 || Graphite Lithium Ion Cells By an Effective Urea-Based Electrolyte Additive journal January 2019
The Impact of CO 2 Evolved from VC and FEC during Formation of Graphite Anodes in Lithium-Ion Batteries journal January 2019
Effect of Film-Forming Additive in Ionic Liquid Electrolyte on Electrochemical Performance of Si Negative-Electrode for LIBs journal January 2019
Analysis of Vinylene Carbonate (VC) as Additive in Graphite/LiNi 0.5 Mn 1.5 O 4 Cells journal January 2017
X-Ray-Induced Changes to Passivation Layers of Lithium-Ion Battery Electrodes journal November 2018
Effect of Electrolyte Additives on the LiNi$_{0.5}$Mn$_{0.3}$Co$_{0.2}$O$_{2}$ Surface Film Formation with Lithium and Graphite Negative Electrodes text January 2020

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