Enhanced Electrochemical Performance and Durability of the BaCo0.4Fe0.4Zr0.1Y0.1O3−δ Composite Cathode of Protonic Ceramic Fuel Cells via Forming Nickel Oxide Nanoparticles

2021 ◽  
Author(s):  
Hyungjun Lee ◽  
Hoyeon Jung ◽  
Chanho Kim ◽  
Sungmin Kim ◽  
Inyoung Jang ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Electrochemical Performance ◽  
Nickel Oxide ◽  
Composite Cathode ◽  
Oxide Nanoparticles ◽  
Nickel Oxide Nanoparticles ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells ◽  
Enhanced Electrochemical Performance

scholarly journals Synergic effects of the decoration of nickel oxide nanoparticles on silicon for enhanced electrochemical performance in LIBs

2020 ◽  
Vol 2 (2) ◽  
pp. 823-832
Author(s):  
Ujjwala V. Kawade ◽  
Sunil R. Kadam ◽  
Milind V. Kulkarni ◽  
Bharat B. Kale
Keyword(s):  
Electrochemical Performance ◽  
Nickel Oxide ◽  
Volume Expansion ◽  
Oxide Nanoparticles ◽  
Nio Nanoparticles ◽  
Nickel Oxide Nanoparticles ◽  
Effective Suppression ◽  
Enhanced Electrochemical Performance

Decoration of NiO nanoparticles on silicon confers enhanced stable capacity due to the effective suppression of the volume expansion of silicon in LIBs.

A composite cathode with undoped LaFeO3 for protonic ceramic fuel cells

2016 ◽  
Vol 41 (22) ◽  
pp. 9619-9626 ◽  
Author(s):  
Jaewon Choi ◽  
Baek Kim ◽  
Sang-Hyun Song ◽  
Jong-Sung Park
Keyword(s):  
Fuel Cells ◽  
Composite Cathode ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells

scholarly journals Compositional Engineering of a La1-xBaxCoO3-δ-(1-a) BaZr0.9Y0.1O2.95 (a = 0.6, 0.7, 0.8 and x = 0.5, 0.6, 0.7) Nanocomposite Cathodes for Protonic Ceramic Fuel Cells

Materials ◽  
2019 ◽  
Vol 12 (20) ◽  
pp. 3441
Author(s):  
Laura Rioja-Monllor ◽  
Carlos Bernuy-Lopez ◽  
Marie-Laure Fontaine ◽  
Tor Grande ◽  
Mari-Ann Einarsrud
Keyword(s):  
Fuel Cells ◽  
Electrochemical Performance ◽  
Single Phase ◽  
Controlled Atmospheres ◽  
Composite Cathodes ◽  
Phase Precursor ◽  
One Step ◽  
Ceramic Fuel ◽  
Symmetrical Cell ◽  
Ceramic Fuel Cells

Compositionally engineered a La1-xBaxCoO3-δ-(1-a) BaZr0.9Y0.1O2.95 (a = 0.6, 0.7, 0.8 and x = 0.5, 0.6, 0.7) (LBZ) nanocomposite cathodes were prepared by oxidation driven in situ exsolution of a single-phase material deposited on a BaZr0.9Y0.1O2.95 electrolyte. The processing procedure of the cathode was optimized by reducing the number of thermal treatments as the single-phase precursor was deposited directly on the electrolyte. The exsolution and firing of the cathodes occurred in one step. The electrochemical performance of symmetrical cells with the compositionally engineered cathodes was investigated by impedance spectroscopy in controlled atmospheres. The optimized materials processing gave web-like nanostructured cathodes with superior electrochemical performance for all compositions. The area specific resistances obtained were all below 12 Ω·cm2 at 400 °C and below 0.59 Ω·cm2 at 600 °C in 3% moist synthetic air. The resistances of the nominal 0.6 La0.5Ba0.5CoO3-δ-0.4 BaZr0.9Y0.1O2.95 and 0.8 La0.5Ba0.5CoO3-δ-0.2 BaZr0.9Y0.1O2.95 composite cathodes were among the lowest reported for protonic ceramic fuel cells cathodes in symmetrical cell configuration with ASR equal to 4.04 and 4.84 Ω·cm2 at 400 °C, and 0.21 and 0.27 Ω·cm2 at 600 °C, respectively.

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