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The sluggish reaction kinetics and severe shutting behaviors of sulfur cathodes are the major roadblocks to realizing the practical application of lithium−sulfur (Li−S) batteries and need to be solved through designing/constructing rational sulfur hosts. Herein, an effective alternative material of Fe3O4−x/FeP in‐situ embedded in N‐doped carbon‐tube (Fe3O4−x/FeP/NCT) is proposed. In this fabricated...
The oxygen evolution reaction (OER) remains a bottleneck for the overall water splitting. Electrocatalysts with superior activity and stability are still highly desired. Herein, a stepwise electrochemical strategy is developed to prepare Co(OH)2/NiPx nanosheet arrays with intimate and abundant heterostructures. The Co(OH)2 nanosheets, which are first electrodeposited on a blank carbon cloth electrode,...
Heterostructures play an irreplaceable role in high‐performance optoelectronic devices. However, the preparation of robust perovskite heterostructures is challenging due to spontaneous interdiffusion of halogen anions. Herein, a vapor‐phase anion exchange method universally suitable for the preparation of robust 2D Ruddlesden–Popper perovskite (RPP) heterostructures is developed. A variety of heterostructures...