Cu-Ga/M oxide composite aerogel, preparation thereof and application of Cu-Ga/M oxide composite aerogel in hydrogen production by methanol reforming

The invention belongs to the technical field of combustion chemical industry and materials, and particularly discloses a Cu-Ga/M oxide composite aerogel which is characterized by comprising a metal Ga oxide-metal M oxide composite aerogel skeleton and nano Cu particles compounded on the composite aerogel skeleton, the metal M is at least one of Al, Ti and Zr. The invention also provides preparation of the aerogel and application of the aerogel in methanol catalysis. The material with the brand new phase and structure has excellent methanol catalytic reforming hydrogen production activity, the methanol conversion rate, the hydrogen atom utilization rate, the hydrogen yield and the catalytic stability are improved, in addition, the methanol conversion way can be changed, and the CO byproduct problem can be fundamentally solved. 本发明属于燃烧化工与材料技术领域，具体公开了一种Cu-Ga/M氧化物复合气凝胶，其特征在于，包括金属Ga氧化物-金属M氧化物的复合气凝胶骨架，以及复合在复合气凝胶骨架上的纳米Cu颗粒；所述的金属M为Al、Ti、Zr中的至少一种。本发明还提供了所述气凝胶的制备及其在甲醇催化中的应用。本发明中，所述的全新的物相和结构的材料，具有优异的甲醇催化重整制氢活性，利于改善甲醇转化率