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| Metal-organic framework-derived sulfur-doped iron-cobalt tannate nanorods for efficient oxygen evolution reaction performance |
| Author Name | Affiliation | E-mail | | ZHAI Haoying | Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province, Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China | | | WEN Lanzong | Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province, Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China | | | LIAO Wenjie | Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province, Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China | | | LI Qin | Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province, Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China | | | ZHOU Wenjun | Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province, Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China | zhwj84@126.com | | CAO Kun | Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province, Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China | kevin_cao0811@126.com |
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| Abstract: Sulfur-doped iron-cobalt tannate nanorods (S-FeCoTA) derived from metal-organic frameworks (MOFs) as electrocatalysts were synthesized via a one-step hydrothermal method. The optimized S-FeCoTA was interlaced by loose nanorods, which had many voids. The S-FeCoTA catalysts exhibited excellent electrochemical oxygen evolu- tion reaction (OER) performance with a low overpotential of 273 mV at 10 mA·cm-2 and a small Tafel slope of 36 mV·dec-1 in 1.0 mol·L1 KOH. The potential remained at 1.48 V (vs RHE) at 10 mA·cm-2 under continuous testing for 15 h, implying that S-FeCoTA had good stability. The Faraday efficiency of S-FeCoTA was 94%. The outstanding OER activity of S-FeCoTA is attributed to the synergistic effects among S, Fe, and Co, thus promoting electron trans- fer, reducing the reaction kinetic barrier, and enhancing the OER performance. |
| Keywords: hydrothermal method tannic acid metal-organic framework electrocatalysis oxygen evolution reaction |
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| ZHAI Haoying,WEN Lanzong,LIAO Wenjie,LI Qin,ZHOU Wenjun,CAO Kun.Metal-organic framework-derived sulfur-doped iron-cobalt tannate nanorods for efficient oxygen evolution reaction performance[J].Chinese Journal of Inorganic Chemistry,2025,41(5):1037-1048. |
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