Beyond Divalent Copper: A Redox Couple for Sodium Ion Battery Cathode Materials

被引：42
|
作者：
Mason, Chad W. [1 ]
Lange, Felix [1 ]
Saravanan, Kuppan [2 ]
Lin, Feng [2 ]
Nordlund, Dennis [3 ]
机构：
[1] TUM CREATE, Singapore 138602, Singapore
[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA
[3] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA
来源：
ECS ELECTROCHEMISTRY LETTERS | 2015年 / 4卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
LI-ION; ELECTRODE; ALPHA-NAFEO2; P2-TYPE;
D O I：
10.1149/2.0041505ee1
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A P2-layered oxide using copper as the active redox metal has been discovered. It has a composition of Na2/3Cu1/3Mn2/3O2, and can withstand a thousand cycles, maintaining 61% of its original capacity. We demonstrate that copper can enable not only high voltage, but also excellent stability. This work opens up a new avenue of oxide design for high energy, cost effective battery systems. (C) The Author(s) 2015. Published by ECS.
引用
收藏
页码：A1 / A4
页数：4
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