Synergy of cobalt vacancies and iron doping in cobalt selenide to promote oxygen electrode reactions in lithium-oxygen batteries

2021 ◽  
Author(s):  
Miao He ◽  
Jianping Long ◽  
Minglu Li ◽  
Ruixin Zheng ◽  
Anjun Hu ◽  
...  
Keyword(s):  
Oxygen Electrode ◽  
Iron Doping ◽  
Electrode Reactions ◽  
Lithium Oxygen Batteries ◽  
Cobalt Selenide

Tailoring the Co4+/Co3+ active sites in single perovskite as a bifunctional catalyst for oxygen electrode reactions "

2021 ◽  
Author(s):  
Song-Jeng Isaac Huang ◽  
Adil Muneeb ◽  
Sabhapathy Palani ◽  
Anjaiah Sheelam ◽  
Bayikadi Khasimsaheb ◽  
...  
Keyword(s):  
Oxygen Evolution Reaction ◽  
Precious Metal ◽  
Active Sites ◽  
Low Cost ◽  
Bifunctional Catalyst ◽  
Oxygen Electrode ◽  
Reduction Reaction ◽  
New Class ◽  
Electrode Reactions ◽  
Energy Conversion Devices

Developing a non-precious metal electrocatalyst for oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is desirable for low-cost energy conversion devices. Herein, we designed and developed a new class...

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.

Activity of layered swedenborgite structured Y0.8Er0.2BaCo3.2Ga0.8O7+δ for oxygen electrode reactions in at intermediate temperature reversible ceramic cells

2021 ◽  
Vol 9 (1) ◽  
pp. 607-621
Author(s):  
Ji-Seop Shin ◽  
Hyunyoung Park ◽  
Kwangho Park ◽  
Muhammad Saqib ◽  
Minkyeong Jo ◽  
...  
Keyword(s):  
Thermal Expansion ◽  
Diffusion Coefficients ◽  
Bulk Diffusion ◽  
Oxygen Electrode ◽  
Intermediate Temperature ◽  
High Chemical ◽  
New Class ◽  
Electrode Reactions ◽  
Low Thermal Expansion

A new class of layered swedenborgite structured Y0.8Er0.2BaCo3.2Ga0.8O7+δ is proposed for oxygen electrode reactions in reversible ceramic cells because of its low thermal expansion and high chemical bulk diffusion coefficients.

Bifunctional atomic iron-based catalyst for oxygen electrode reactions

2019 ◽  
Vol 378 ◽  
pp. 353-362 ◽  
Author(s):  
Lu Bai ◽  
Zhiyao Duan ◽  
Xudong Wen ◽  
Jingqi Guan
Keyword(s):  
Oxygen Electrode ◽  
Electrode Reactions ◽  
Iron Based

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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