Waste Dry Battery Powder Asphalt Modifier

High-Temperature Rut Resistance

Derived from discarded zinc-manganese dry batteries, this powder significantly enhances rutting resistance at medium-high temperatures and aging resistance of asphalt binders while physically immobilizing heavy metals, offering a novel approach for battery recycling and modified asphalt development.

Zhang, Jianwei · Chen, Meizhu · Wu, Shaopeng · Dongyu, Chen · Zhao, Yuechao · Zhou, Xinxing

Journal of Cleaner Production 2023

Advantages

Significantly enhances flow deformation resistance at medium-high temperatures

Improves rutting resistance

Enhances aging resistance

Heavy metal leaching exceeds Class I surface water limits but can be physically immobilized