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Aqueous zinc-ion batteries (ZIBs) regarded as a promising alternative to lithium-ion batteries for large-scale applications due to their intrinsic safety and environmental benignity. Furthermore, directly employing zinc metal as an anode and using aqueous electrolytes significantly simplifies battery manufacturing. For example, aqueous ZIBs can be assembled without a dry room or glove box requiring dry room. However, for practical use, achieving high energy density requires not only the stabilization of Zn anodes but also the utilization of thick cathodes. Here, we introduce our strategies for stabilizing Zn anodes via 3D structuring, surface protection layers, selective ion permeation, and utilizing thick cathodes via controlling hydrophilicity of binders. I will also elaborate on the mechanisms for stabilizing Zn anodes and preventing dendrites/corrosion. Additionally, I will discuss how thick cathodes can be realized by controlling hydrophilicity of electrodes. Overall, our findings will shed light on the development of practical aqueous ZIBs. Overall, our findings will shed light on the development of practical aqueous ZIBs.