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

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

doi:10.1016/j.matlet.2023.135243

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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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11

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10

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