Are there any types of aluminum that have a better conductivity than others?

Aluminum, as a pure element, has a consistent electrical conductivity. However, its conductivity can be affected by the presence of impurities or alloying elements. In general, the higher the purity, the better the conductivity. Alloys like 1100 aluminum (99.00% pure) have the highest conductivity among aluminum alloys. Adding elements like copper, magnesium, or silicon to aluminum can increase its strength but will decrease its conductivity. Therefore, while there isn't a 'better' type of aluminum in terms of conductivity, there are alloys with varying levels of conductivity based on their composition and purity.