In Situ Observation of the Electrochemical Lithiation of a Single SnO 2 Nanowire Electrode-Reference-Cited by-同舟云学术

In Situ Observation of the Electrochemical Lithiation of a Single SnO 2 Nanowire Electrode

Published:2010-12-10 Issue:6010 Volume:330 Page:1515-1520
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Huang Jian Yu¹,Zhong Li²,Wang Chong Min³,Sullivan John P.¹,Xu Wu⁴,Zhang Li Qiang²,Mao Scott X.²,Hudak Nicholas S.¹,Liu Xiao Hua¹,Subramanian Arunkumar¹,Fan Hongyou⁵,Qi Liang⁶⁷,Kushima Akihiro⁷,Li Ju⁶⁷

Affiliation:

1. Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM 87185, USA.

2. Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA 15261, USA.

3. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA 99354, USA.

4. Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA 99354, USA.

5. Advanced Materials Lab, Sandia National Laboratories, Albuquerque, NM 87106, USA.

6. State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China.

7. Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA.

Abstract

Fragile Tin Oxide Electrodes While tin oxide has a high energy density, and would thus make an attractive anode material for a Li-ion battery, it undergoes significant volume changes when Li is intercalated. The large strains cause cracking, pulverization, and a resultant loss of electrical conduction. Huang et al. (p. 1515 ; see the Perspective by

Chiang

) used in situ transmission electron microscopy on a single tin oxide nanowire to identify the physical changes that occur during intercalation and observed a moving cloud of dislocations that separated the reacted and unreacted sections. Upon completion of the electrochemical charging, the nanowire showed up to 90% elongation and a 35% increase in diameter.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference35 articles.

1. Electrochemically-driven solid-state amorphization in lithium-silicon alloys and implications for lithium storage

2. Phospho‐olivines as Positive‐Electrode Materials for Rechargeable Lithium Batteries

3. Issues and challenges facing rechargeable lithium batteries

4. Atomic resolution of lithium ions in LiCoO2

5. Battery materials for ultrafast charging and discharging

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