The design of efficient catalysts is the essential to realize formic acid (FA) as a hydrogen carrier. However, it remains a challenging task. Herein, the porous carbon was prepared using ZnCo-containing zeolitic imidazole frameworks (ZIFs) as a precursor, which supported Pd as an effective catalyst for FA dehydrogenation. Porous carbon containing Co and N was synthesized by one-step method, and the Co and N promoted the activity of Pd by modifying its electron state. The catalytic performance was further improved by doping Zn into the predesigned bimetallic ZnCo-ZIFs. The addition of Zn increased the dispersion of PdCo nanoparticles, N content and specific surface area of the catalysts. When Zn/Co molar ratio was 2, the prepared catalyst (Pd/Co@CN-2) with an average diameter of PdCo about 2.6 nm exhibited the best catalytic activity, showing an initial turnover frequency value (TOF) as high as 2302 h⁻¹ even at 30 °C.

有效催化剂的设计对于实现甲酸（FA）作为氢载体至关重要。但是，这仍然是一项艰巨的任务。在此，使用含ZnCo的沸石咪唑骨架（ZIF）作为前体制备多孔碳，其负载Pd作为FA脱氢的有效催化剂。通过一步法合成了含有Co和N的多孔碳，Co和N通过改变其电子态来促进Pd的活性。通过将Zn掺杂到预先设计的双金属ZnCo-ZIFs中，进一步提高了催化性能。Zn的添加增加了PdCo纳米颗粒的分散性，N含量和催化剂的比表面积。当Zn / Co摩尔比为2时，制得的PdCo平均直径约为2.6 nm的催化剂（Pd / Co @ CN-2）表现出最佳的催化活性，^-1即使在30°C下也是如此。