Real-time studies of battery electrochemical reactions inside a transmission electron microscope. Metadata

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Title

  • Main Title Real-time studies of battery electrochemical reactions inside a transmission electron microscope.

Creator

  • Author: Leung, Kevin
    Creator Type: Personal
  • Author: Hudak, Nicholas S.
    Creator Type: Personal
  • Author: Liu, Yang
    Creator Type: Personal
  • Author: Liu, Xiaohua H.
    Creator Type: Personal
  • Author: Fan, Hongyou
    Creator Type: Personal
  • Author: Subramanian, Arunkumar
    Creator Type: Personal
  • Author: Shaw, Michael J.
    Creator Type: Personal
  • Author: Sullivan, John Patrick
    Creator Type: Personal
  • Author: Huang, Jian Yu
    Creator Type: Personal

Contributor

  • Sponsor: United States. Department of Energy.
    Contributor Type: Organization

Publisher

  • Name: Sandia National Laboratories
    Place of Publication: United States

Date

  • Creation: 2012-01-01

Language

  • English

Description

  • Content Description: We report the development of new experimental capabilities and ab initio modeling for real-time studies of Li-ion battery electrochemical reactions. We developed three capabilities for in-situ transmission electron microscopy (TEM) studies: a capability that uses a nanomanipulator inside the TEM to assemble electrochemical cells with ionic liquid or solid state electrolytes, a capability that uses on-chip assembly of battery components on to TEM-compatible multi-electrode arrays, and a capability that uses a TEM-compatible sealed electrochemical cell that we developed for performing in-situ TEM using volatile battery electrolytes. These capabilities were used to understand lithiation mechanisms in nanoscale battery materials, including SnO{sub 2}, Si, Ge, Al, ZnO, and MnO{sub 2}. The modeling approaches used ab initio molecular dynamics to understand early stages of ethylene carbonate reduction on lithiated-graphite and lithium surfaces and constrained density functional theory to understand ethylene carbonate reduction on passivated electrode surfaces.
  • Physical Description: 41 p.

Subject

  • STI Subject Categories: 25 Energy Storage
  • Keyword: Ethylene
  • Keyword: Electrochemical Cells
  • Keyword: Electrodes
  • Keyword: Functionals
  • STI Subject Categories: 37 Inorganic, Organic, Physical And Analytical Chemistry
  • Keyword: Electron Microscopes
  • Keyword: Electrolytes
  • Keyword: Molten Salts
  • Keyword: Lithium
  • Keyword: Simulation
  • Keyword: Carbonates
  • Keyword: Transmission Electron Microscopy

Collection

  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Report

Format

  • Text

Identifier

  • Report No.: SAND2012-0103
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/1038174
  • Office of Scientific & Technical Information Report Number: 1038174
  • Archival Resource Key: ark:/67531/metadc847034
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