Configuration of gradient-porous ultrathin FeCo2S4 nanosheets vertically aligned on Ni foam as a noncarbonaceous freestanding oxygen electrode for lithium–oxygen batteries

Nanoscale ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 1864-1874 ◽  
Author(s):  
Zhiqian Hou ◽  
Chaozhu Shu ◽  
Peng Hei ◽  
Tingshuai Yang ◽  
Ruixin Zheng ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Oxygen Electrode ◽  
Commercial Application ◽  
Oxygen Species ◽  
Ni Foam ◽  
Oxygen Electrodes ◽  
Vertically Aligned ◽  
Lithium Oxygen Batteries

The degradation of oxygen electrodes caused by oxygen species in lithium–oxygen (Li–O2) batteries deteriorates their energy efficiency and cyclability and seriously hinders their commercial application.

A high-performance oxygen electrode for Li–O2 batteries: Mo2C nanoparticles grown on carbon fibers

2017 ◽  
Vol 5 (12) ◽  
pp. 5690-5695 ◽  
Author(s):  
Yong Luo ◽  
Chao Jin ◽  
Zhangjun Wang ◽  
Minghui Wei ◽  
Chenghao Yang ◽  
...  
Keyword(s):  
Energy Density ◽  
Carbon Fibers ◽  
High Performance ◽  
Oxygen Electrode ◽  
Oxygen Electrodes ◽  
The Creation ◽  
Lithium Oxygen Batteries

While lithium–oxygen batteries (LOBs) have the potential to offer energy density far greater than those of existing batteries, their commercialization hinges on the creation of highly reversible and efficient oxygen electrodes.

A 3D free-standing Co doped Ni2P nanowire oxygen electrode for stable and long-life lithium–oxygen batteries

Nanoscale ◽  
2020 ◽  
Vol 12 (12) ◽  
pp. 6785-6794 ◽  
Author(s):  
Zhiqian Hou ◽  
Chaozhu Shu ◽  
Peng Hei ◽  
Tingshuai Yang ◽  
Ruixin Zheng ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Oxygen Electrode ◽  
Effective Strategy ◽  
Free Standing ◽  
Oxygen Electrodes ◽  
Long Life ◽  
Lithium Oxygen Batteries ◽  
Co Doped

Exploring oxygen electrodes with superior bifunctional catalytic activity and suitable architecture is an effective strategy to improve the performance of lithium–oxygen (Li–O2) batteries.

Rapid-responding carbon dioxide and oxygen electrodes

1964 ◽  
Vol 19 (3) ◽  
pp. 550-553 ◽  
Author(s):  
Irving Fatt
Keyword(s):  
Carbon Dioxide ◽  
Gas Phase ◽  
Filter Paper ◽  
Oxygen Electrode ◽  
Membrane Material ◽  
Millipore Filter ◽  
Oxygen Electrodes ◽  
Final Response ◽  
Pco2 Measurement ◽  
Po2 Measurement

Redesign of the Severinghaus pCO2 and the Clark pO2 electrodes yields electrodes which are easier to make and assemble. When used with a new membrane material, paraffin-treated Millipore filter paper, the redesigned Severinghaus pCO2 electrode gives 99% response in 15 sec for a 40 mm Hg change in pCO2 in the region of 15–60 mm Hg pCO2 in either gas or water phase. The redesigned Clark pO2 electrode when used with treated Millipore paper gives 99% of final response in 1.24 sec for a 155 mm Hg change of pO2 in the gas phase in the range 0–160 mm Hg pO2. In aqueous solutions this electrode gives 99% response in 30 sec. Severinghaus electrode; polarographic oxygen electrode; pCO2 measurement; pO2 measurement Submitted on March 19, 1963

Oxygen electrode design criteria and performance characteristics: recessed cathode

1978 ◽  
Vol 45 (1) ◽  
pp. 145-154 ◽  
Author(s):  
G. Schneiderman ◽  
T. K. Goldstick
Keyword(s):  
Measurement Error ◽  
Performance Optimization ◽  
Surrounding Medium ◽  
Three Dimensional ◽  
Concentration Field ◽  
Oxygen Electrode ◽  
Current Sensitivity ◽  
Steady State Operation ◽  
Oxygen Electrodes ◽  
And Performance

A computer simulation of the steady-state operation of recessed (Whalen-type) polarographic oxygen electrodes has been developed to give the design factors important for performance optimization. The simulation makes use of a specially formulated three-dimensional orthogonal coordinate system with the geometry identical to the actual recessed cathode and gives the oxygen concentration field induced by it in the surrounding medium. Equations are presented which allow one to calculate, for any recessed cathode, the current sensitivity, maximum stirring artifact, measurement error, and time constant. Comparisons with analytically obtained expressions for the corresponding quantities for idealized, spherosymmetric cathodes demonstrate the unique aspects of recessed-cathode performance. For commonly used electrodes, a recess length-to-cathode diameter ratio of greater than 10 is found to give a negligible stirring artifact, a negligible measurement error, and a rapid response.

Carbon Decorated Ni(OH)2 Nanoflakes on Ni Foam as a Binder-Free Cathode for Lithium–Oxygen Batteries

2021 ◽  
Vol 168 (3) ◽  
pp. 030523
Author(s):  
Yu Wang ◽  
Xingbao Zhu ◽  
Jin Qin ◽  
Zhihong Wang ◽  
Yuanguo Wu ◽  
...  
Keyword(s):  
Ni Foam ◽  
Binder Free ◽  
Lithium Oxygen Batteries

A RuO2 nanoparticle-decorated buckypaper cathode for non-aqueous lithium–oxygen batteries

2015 ◽  
Vol 3 (37) ◽  
pp. 19042-19049 ◽  
Author(s):  
P. Tan ◽  
W. Shyy ◽  
T. S. Zhao ◽  
X. B. Zhu ◽  
Z. H. Wei
Keyword(s):  
Energy Efficiency ◽  
Specific Capacity ◽  
High Energy ◽  
Current Collectors ◽  
Polymeric Binders ◽  
High Energy Efficiency ◽  
Lithium Oxygen Batteries ◽  
Additional Current

A RuO2 nanoparticle-decorated buckypaper cathode does not require additional current collectors and polymeric binders, offering promise for a high-practical specific capacity, high-energy efficiency, and stable electrode for non-aqueous lithium–oxygen batteries.

Carbon embedded α-MnO2@graphene nanosheet composite: a bifunctional catalyst for high performance lithium oxygen batteries

2014 ◽  
Vol 2 (44) ◽  
pp. 18736-18741 ◽  
Author(s):  
Yong Cao ◽  
Ming-sen Zheng ◽  
Senrong Cai ◽  
Xiaodong Lin ◽  
Cheng Yang ◽  
...  
Keyword(s):  
High Performance ◽  
Bifunctional Catalyst ◽  
Oxygen Electrode ◽  
Electron Conductivity ◽  
Graphene Nanosheet ◽  
Lithium Oxygen Batteries

Carbon is essential for the oxygen electrode in non-aqueous lithium–oxygen (Li–O2) batteries for improving the electron conductivity of the electrode.

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