Nitrogen and phosphorus modified granular carbon-loaded bimetallic catalyst, preparation method and application

The invention discloses a nitrogen and phosphorus modified particle carbon-loaded bimetallic catalyst, a preparation method and application, the catalyst comprises a nitrogen and phosphorus modified carbon carrier and metal particles loaded on the carbon carrier, the metal particles comprise a first metal simple substance, a second metal simple substance and bimetallic alloy phase particles, the percentage of the bimetallic alloy phase particles in the metal particles is greater than or equal to 80%, and the size of at least 90% of the alloy phase particles is 1-20 nm. The catalyst has the advantages of high alloy phase particle proportion, uniform particle size distribution, high metal utilization rate, low cost, high stability, high catalytic activity and the like. 本发明公开了一种氮磷修饰的颗粒炭载双金属催化剂、制备方法及应用，所述催化剂包括氮磷修饰的炭载体和所述炭载体上负载的金属粒子，所述金属粒子包括第一金属单质、第二金属单质和双金属合金相粒子，所述双金属合金相粒子在金属粒子中的百分占比≥80％，至少90％的合金相粒子的尺寸为1nm～20nm。本发明的催化剂具有合金相粒子占比高、粒子尺寸分布均一，金属利用率高、成本低，稳定性高、催化活性高等优点。