Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 10, Issue 28, Pages 15089-15100Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ta01414a
Keywords
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Funding
- National Natural Science Foundation of China [21771084, 21771077, 21621001]
- Foundation of Science and Technology Development of Jilin Province, China [20200801004 GH]
- 111 Project [B17020]
- program for JLU Science and Technology Innovative Research Team (JLUSTIRT)
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Organic-inorganic hybrid materials have great potential in commercial energy storage and conversion. This study developed an advanced hybrid material through a facile synthetic strategy, and demonstrated its excellent performance in charge transfer and cycling stability.
Organic-inorganic hybrid materials hold great promise in commercial energy storage and conversion. This work aims to develop an advanced hybrid material of ultrafine antimony (Sb) nanoparticles uniformly anchored in the pores of COFs (Sb@NGA-CMP) through a facile in situ synthetic strategy. Sb3+ is introduced as an essential catalyst for COF formation and is subsequently fixed in the channels of the COFs by reduction. Such a well-designed architecture affords intimate electron interaction between the Sb nanoparticles and pi-conjugated microporous polymers (CMPs) through the nitrogen groups, which greatly accelerates charge transfer along the COF skeleton. Meanwhile, the stable nanostructure of the ultrafine Sb encapsulated in the COFs effectively alleviates the high Sb volume expansion upon long cycling performance. This uniquely designed anode exhibits a high rate performance of 223 mA h g(-1) at 5 A g(-1) and an excellent sodium storage performance of 344 mA h g(-1) after 5000 long cycles at 1 A g(-1). Our work provides a promising and facile strategy to construct hybrid organic-inorganic materials for high-performance energy storage applications.
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