UV-Triggered In Situ Formation of a Robust SEI on Black Phosphorus for Advanced Energy Storage: Boosting Efficiency and Safety via Rapid Charge Integration Plasticity
Qingxiang Wang, Fusheng Liu, Zhenguo Qi, Guohui Qin, Li Wang, Xiangming He
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引用次数: 0
Abstract
Black phosphorus (BP) emerges as a highly promising electrode material for next generation of energy-storage systems. Yet, its full potential is hindered by the instability of the solid-electrolyte interphase (SEI) and the inflammability of its liquid systems. Here a pioneering UV-induced in situ strategy is introduced for SEI construction, which leverages rapid electron supply to fracture sulfur-dihalide bonds. This technique yields internal dihalide inorganic components and an external polymer segment, with any excess organic material being purged through pores. The (E)-2-chloro-4-((3′-chloro-4′-hydroxyphenyl)diazinyl)phenyl acrylate (CA), with chlorine-terminated groups, is initially in situ transformed into a flame-retardant phenyl carboxylic acid (PCA), and then encapsulated within an ultrathin BP nanostructure, further nested in nitrogen (N), boron (B) co-doped carbon (C) sheets that accommodate cobalt (Co) single atoms/nanoclusters (Co-NBC). The Co-NBC@BP@PCA construct demonstrates an impressive initial Coulombic efficiency (ICE) of 99.1% and maintains exceptional stabilities in terms of mechanical, chemical, and electrochemical performancecritical for prolonged cycle and calendar life. This research sheds light on the interplay between the rapid charge supply integrated in situ plasticity (RSIP) approach and the proactive establishment of an artificial SEI layer, offering profound insights into enhancing the durability and providing a solid foundation for advancements in energy storage technology.
期刊介绍:
Established in 2011, Advanced Energy Materials is an international, interdisciplinary, English-language journal that focuses on materials used in energy harvesting, conversion, and storage. It is regarded as a top-quality journal alongside Advanced Materials, Advanced Functional Materials, and Small.
With a 2022 Impact Factor of 27.8, Advanced Energy Materials is considered a prime source for the best energy-related research. The journal covers a wide range of topics in energy-related research, including organic and inorganic photovoltaics, batteries and supercapacitors, fuel cells, hydrogen generation and storage, thermoelectrics, water splitting and photocatalysis, solar fuels and thermosolar power, magnetocalorics, and piezoelectronics.
The readership of Advanced Energy Materials includes materials scientists, chemists, physicists, and engineers in both academia and industry. The journal is indexed in various databases and collections, such as Advanced Technologies & Aerospace Database, FIZ Karlsruhe, INSPEC (IET), Science Citation Index Expanded, Technology Collection, and Web of Science, among others.