CuO-SnO2 nanocomposites: Efficient and cost-effective electrocatalysts for urea oxidation

  • Sreekanth, T.V.M.; 
  • Prasad, K.; 
  • Yoo, Jihyung; 
  • Kim, Jonghoon; 
  • Yoo, Kisoo
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초록

In this work, CuO–SnO2 (CS) nanocomposites with different amounts of urea (CS-1:0.9 g, CS-2:0.18 g, and CS-3:0.36 g) were synthesized using a facile hydrothermal method. CS-1 exhibited the best OER and UOR activity among the prepared electrocatalysts, with lower ovepotential 280 mV and Tafel slope of 229 mV dec−1 (OER@10 mA cm−2), and high electrochemically active surface area (39.4 mF cm−2) and lower charge transfer resistance. Furthermore, all the electrocatalysts demonstrated excellent stability (up to 10 h).

키워드

CuO-SnO<sub>2</sub> nanocomposites; Hydrothermal; Urea oxidation reaction; Charge transfer; Copper oxides; Cost effectiveness; Electrocatalysts; Electrolysis; Metabolism; Nanocomposites; Cost effective; CuO-SnO2 nanocomposite; Electrochemically active surface areas; Hydrothermal; Hydrothermal methods; Oxidation reactions; SnO 2; Synthesised; Tafel slopes; Urea oxidation reaction; Urea
제목
CuO-SnO2 nanocomposites: Efficient and cost-effective electrocatalysts for urea oxidation
저자
Sreekanth, T.V.M.; Prasad, K.; Yoo, Jihyung; Kim, Jonghoon; Yoo, Kisoo
DOI
10.1016/j.matlet.2023.135243
발행일
2023-12
유형
Article
저널명
Materials Letters
권
353
페이지
1 ~ 4