4.7 Article

A new stable Pd-Mn3O4 nanocomposite as an efficient electrocatalyst for the hydrogen evolution reaction

Journal

CHEMICAL COMMUNICATIONS
Volume 52, Issue 36, Pages 6095-6098

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc01642a

Keywords

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Funding

  1. DST, India
  2. CSIR, New Delhi
  3. Grants-in-Aid for Scientific Research [25288009, 15H00883, 16H04099, 15H00763] Funding Source: KAKEN

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Herein, a Mn3O4 nanooctahedron (NO) supported Pd nanocomposite has been fabricated from a chosen thermodynamically allowed redox transformation reaction. The synthesized Pd-Mn3O4 (PMO) nanocomposite exhibits outstanding electrocatalytic activity for the hydrogen evolution reaction (HER) in acidic medium with a low overpotential (14 mV), small Tafel slope (42 mV dec(-1)) and high exchange current density (7.74 mA cm(-2)). Moreover, the exceptional durability displayed by PMO on conducting 5000 CV cycles as well as its long-term stability for 36 h (97% activity retention) deserve special attention.

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