A functionalized membrane for lithium–oxygen batteries to suppress the shuttle effect of redox mediators

2019 ◽  
Vol 7 (23) ◽  
pp. 14260-14270 ◽  
Author(s):  
Zi-Fang Chen ◽  
Xiaodong Lin ◽  
Hui Xia ◽  
Yuhao Hong ◽  
Xiaoyu Liu ◽  
...  
Keyword(s):  
Composite Membrane ◽  
Steric Hindrance ◽  
Redox Couple ◽  
Electrostatic Repulsion ◽  
Redox Mediators ◽  
Shuttle Effect ◽  
Functionalized Membrane ◽  
Lithium Oxygen Batteries

By combining steric hindrance and electrostatic repulsion, a functionalized Nafion–PEO–graphene (NPG) composite membrane was constructed and used to suppress the shuttle effect of the I−/I3− redox couple.

Strategies to suppress the shuttle effect of redox mediators in lithium-oxygen batteries

2021 ◽  
Vol 60 ◽  
pp. 135-149
Author(s):  
Xinbin Wu ◽  
Wei Yu ◽  
Kaihua Wen ◽  
Huanchun Wang ◽  
Xuanjun Wang ◽  
...  
Keyword(s):  
Redox Mediators ◽  
Shuttle Effect ◽  
Lithium Oxygen Batteries

Recent progress in the function of redox mediators on the electrode/electrolyte interfaces of lithium–oxygen batteries

2021 ◽  
Author(s):  
Xiao-Ping Zhang ◽  
Chu-Yue Li ◽  
Xian-Zhu Fu ◽  
Wei-Rong Chen
Keyword(s):  
Reaction Mechanism ◽  
Electrochemical Performance ◽  
Charge Transport ◽  
Interfacial Reaction ◽  
Recent Progress ◽  
Redox Mediators ◽  
Shuttle Effect ◽  
Lithium Oxygen Battery ◽  
Lithium Oxygen Batteries

The nonaqueous lithium–oxygen batteries have attracted considerable interest because of the ultrahigh theoretical capacity. However, the overpotential and cyclability issue of lithium–oxygen battery caused by interfacial issue limits its commercialization. To overcome these challenges, redox mediators, which are capable of charge transport on the electrode/electrolyte interfaces, are introduced to lithium–oxygen batteries to reduce overpotential. This review provides a detailed summary of the interfacial reaction mechanism and the influence of redox mediators on the electrode/electrolyte interfaces. Researches on suppressing redox mediators’ shuttle effect are also beneficial to enhance the electrochemical performance of lithium–oxygen batteries.

Controllable and stable organometallic redox mediators for lithium oxygen batteries

2020 ◽  
Vol 7 (1) ◽  
pp. 214-222 ◽  
Author(s):  
Won-Jin Kwak ◽  
Atif Mahammed ◽  
Hun Kim ◽  
Trung Thien Nguyen ◽  
Zeev Gross ◽  
...  
Keyword(s):  
Redox Potential ◽  
Metal Complexes ◽  
Redox Mediators ◽  
Lithium Oxygen Batteries

We introduce corrole-chelated metal complexes as stable redox mediators with adjustable redox potential in lithium–oxygen batteries.

Inhibiting the shuttle effect using artificial membranes with high lithium-ion content for enhancing the stability of the lithium anode

2020 ◽  
Vol 8 (28) ◽  
pp. 14062-14070
Author(s):  
Dong Liang ◽  
Tengfei Bian ◽  
Qing Han ◽  
Hua Wang ◽  
Xiaosheng Song ◽  
...  
Keyword(s):  
Composite Membrane ◽  
Lithium Ion ◽  
Ion Content ◽  
Artificial Membranes ◽  
Lithium Anode ◽  
Shuttle Effect ◽  
Cell Cycling ◽  
The Stability

A composite membrane with high lithium-ion content demonstrates the capability for inhibiting the diffusion of redox chemicals from cathode to anode in the Li-metal based batteries, and then the cell cycling stabilities are improved.

Shuttling Induced Starvation of Redox Mediators in High Areal Capacity Rechargeable Lithium-Oxygen Batteries

2020 ◽  
Vol 167 (8) ◽  
pp. 080522 ◽  
Author(s):  
Yi Lin ◽  
Chalynette Martinez-Martinez ◽  
Jae-Woo Kim ◽  
John W. Connell
Keyword(s):  
Redox Mediators ◽  
Lithium Oxygen Batteries ◽  
Areal Capacity

Progress and Prospects in Redox Mediators for Highly Reversible Lithium–Oxygen Batteries: A Minireview

2021 ◽  
Author(s):  
Hanyun Zhong ◽  
Jing Wang ◽  
Yonggang Wang ◽  
Ping He ◽  
Haoshen Zhou
Keyword(s):  
Redox Mediators ◽  
Lithium Oxygen Batteries
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