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阴极表面诱导、溶剂化介导的锂-氧电池中微米级的锂氧循环。

Cathode Surface-Induced, Solvation-Mediated, Micrometer-Sized Li O Cycling for Li-O Batteries.

机构信息

State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.

University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.

出版信息

Adv Mater. 2016 Nov;28(43):9620-9628. doi: 10.1002/adma.201603454. Epub 2016 Sep 16.

DOI:10.1002/adma.201603454
PMID:27634572
Abstract

The "nonsticky" surface of a highly stable RuO /carbon nanotube cathode enhances the formation and decomposition of cathode surface-induced, solvation-mediated, micrometer-sized discharge products Li O in Li-O batteries and thus significantly improves the specific capacity, overpotentials, and cycle life. These findings contribute to a new understanding how the cathode surface controls Li-O electrochemistry.

摘要

高度稳定的 RuO2/碳纳米管阴极的“非粘性”表面增强了在 Li-O 电池中形成和分解由阴极表面诱导、溶剂化介导的微米级放电产物 Li2O，从而显著提高了比容量、过电位和循环寿命。这些发现有助于人们对阴极表面如何控制 Li-O 电化学的新理解。

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