Aqueous solution

Chemistry

Metallurgy

Materials science

Engineering

Interphase

Electrode

Anode

Nanotechnology

Organic chemistry

Biology

In situ

Electrolyte

Galvanic anode

Metal

Chemical engineering

Physical chemistry

Cathodic protection

Genetics

Energy & Environmental Science

We report a bio-inspired design strategy for constructing an in situ polymeric SEI in aqueous Zn chemistry. This SEI can restrain interfacial side reactions, facilitate a uniform Zn 2+ flux, and consequently endow a highly stable Zn metal anode.

Bio-inspired design of anin situmultifunctional polymeric solid–electrolyte interphase for Zn metal anode cycling at 30 mA cm−2and 30 mA h cm−2