In situ synchrotron X-ray diffraction studies of lithium oxygen batteries

被引：21

作者：

Ryan, Kate R. ^{[1
]}

Trahey, Lynn ^{[1
]}

Okasinski, John S. ^{[2
]}

Burrell, Anthony K. ^{[1
]}

Ingram, Brian J. ^{[1
]}

机构：

[1] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA

[2] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2013年 / 1卷 / 23期

关键词：

LI-O-2; BATTERIES; AIR BATTERIES; ETHER; SOLVENTS; STABILITY; EVOLUTION; BEHAVIOR; XRD;

D O I：

10.1039/c3ta10361g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Lithium oxygen batteries were studied in situ by synchrotron X-ray diffraction. Crystalline Li2O2 was shown to form reversibly on a plain carbon cathode under normal cycling conditions. However, if the cell was polarized to induce electrolyte decomposition before the oxygen reduction reaction was initiated, LiOH was found to cycle reversibly on the cathode instead. A mechanism linking the LiOH production to the electrolyte decomposition was proposed.

引用

页码：6915 / 6919

页数：5

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