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Solid state preparation of carbon-supported Pt2Ca nanoparticles for the oxygen reduction reaction.
Jin, Rumei; Xie, Zewei; Kadeer, Kuerbangnisha; Li, Xingguo; Zhang, Yawen; Zheng, Jie.
Affiliation
  • Jin R; Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China. zhengjie@pku.edu.cn.
  • Xie Z; Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China. zhengjie@pku.edu.cn.
  • Kadeer K; Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China. zhengjie@pku.edu.cn.
  • Li X; Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China. zhengjie@pku.edu.cn.
  • Zhang Y; Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China. zhengjie@pku.edu.cn.
  • Zheng J; Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China. zhengjie@pku.edu.cn.
Chem Commun (Camb) ; 60(57): 7323-7326, 2024 Jul 11.
Article in En | MEDLINE | ID: mdl-38913070
ABSTRACT
Pt2Ca nanoparticles with a mean size diameter of 6 nm can be prepared by heating K2PtCl6, CaH2, carbon black and KCl at 400-500 °C. A mechanism study suggests that the formation of the Pt2Ca phase at moderate temperature is enabled by the fast ion transport via the vacancies in the KCl-CaH2 solid solution. The Pt2Ca nanoparticles exhibit high performance for the oxygen reduction reaction in acid due to optimal adsorption energy of the oxygen intermediate.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2024 Document type: Article Affiliation country: China Country of publication: United kingdom
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2024 Document type: Article Affiliation country: China Country of publication: United kingdom