Abstract
The advancement of a cost-effective, high-efficiency, and reliable catalyst is critical for efficient hydrogen generation from sodium borohydride (NaBH4). In this study, we synthesized hydroxyapatite (HAP) supported NiB at low temperatures using the ion exchange method. The optimize NiB/HAP catalyst exhibits exceptional catalytic performance, achieving a significant hydrogen evolution rate of 4359 mL.gNi−1.min−1 from NaBH4 at 303 K and an impressive activation energy of 53.63 kJ.mol−1. This performance exceeds that of the majority of previously documented catalysts. In addition, the NiB/HAP catalyst has good reusability, maintaining 75 % of its initial catalytic activity following five performance tests. This catalyst exhibits exceptional performance and can be prepared under simple conditions, making it highly practical for future applications.
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