Macroporous Interconnected Hollow Carbon Nanofibers Inspired by Golden‐Toad Eggs toward a Binder‐Free, High‐Rate, and Flexible Electrode

Inspired by the favorable structure and shape of golden-toad eggs, a self-standing macroporous active carbon fiber electrode is designed and fabricated via a facile and scalable strategy. After being decorated with ruthenium oxide, it endows Li-O2 batteries with superior electrochemical performances.