To achieve high catalytic activities and long-term stability to produce higher alcohols via CO hydrogenation, the catalytic activities were tuned by controlling the loading amounts of γ-alumina nanorods and Al³⁺ ions added to modify Cu-Zn catalysts promoted with Li. The selectivity of higher alcohols and the CO conversion to higher alcohols over a Li-modified Cu_0.45Zn_0.45Al_0.1 catalyst supported on 10% nanorods were 1.8 and 2.7 times higher than those with a Cu-Zn catalyst without nanorods and Al³⁺ ions, respectively. The introduction of the thermally and chemically stable γ-Al₂O₃ nanorod support and of Al³⁺ to the modified catalysts improves the catalytic activities by decreasing the crystalline size of CuO and increasing the total basicity. Along with the nanorods, a refractory CuAl₂O₄ formed by the thermal reaction of CuO and Al³⁺ enhances the long-term stability by increasing the resistance to sintering of the catalyst.

为了实现高催化活性和通过CO加氢生产高级醇的长期稳定性，可通过控制γ-氧化铝纳米棒和Al ³⁺离子的负载量来调节催化活性，其中Al ³⁺离子用于改性由Li促进的Cu-Zn催化剂。在10％的纳米棒上负载的Li改性的Cu _0.45 Zn _0.45 Al _0.1催化剂上，高级醇的选择性和CO转化为高级醇的效率分别是不使用纳米棒和Al ³⁺离子的Cu-Zn催化剂的1.8和2.7倍， 分别。在引入热和化学稳定的γ-Al的₂ ö ₃纳米棒支撑和Al ³⁺通过减小CuO的晶体尺寸并增加总碱度，改性催化剂的改性提高了催化活性。与纳米棒一起，由CuO和Al ³⁺的热反应形成的难熔CuAl ₂ O ₄通过增加催化剂的烧结阻力而提高了长期稳定性。