氮磷共掺杂罗汉果芯衍生多孔碳助力高性能锂硫电池

doi:10.11896/cldb.25040122

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Abstract Environmentally friendly and sustainable carbon materials are one of the most competitive strategies for achieving high loads and utility in li-thium-sulfur batteries. However, the shuttle effect of polysulfides still limited improvement of lithium-sulfur batteries performance. In this work, high specific surface area (1 501 m²·g^-1) nitrogen-phosphorus co-doped lamellar porous carbon material (GCNPZ) was prepared as cathode material for lithium-sulfur batteries by selecting water-soaked Momordica grosvenorii fruit cores as the raw material, phytic acid as the source of phosphorus, and zinc chloride as the activator. Finally, the GCNPZ/S electrode material was prepared by combining GCNPZ with sulfur using a melting diffusion method. The GCNPZ/S electrode was demonstrated to exhibit excellent electrochemical performance due to the abundance of phosphorus active sites on the GCNPZ surface, as well as a high specific surface area and pore volume. The initial discharge specific capacity of 1 310 mA·h·g^-1at 0.1C rate, stabilizing at 920 mA·h·g^-1 after 100 cycles (capacity decay rate of 0.30% for each cycle). The GCNPZ/S cathode was shown to have more outstanding long-cycle performance, demonstrating an initial discharge specific capacity of 910 mA·h·g^-1 at 1C rate, stabilizing at 770 mA·h·g^-1 after 500 cycles (capacity decay rate of 0.031% for each cycle).

Key words： lithium-sulfur batteries waste biomass porous carbon phosphorus doping

Published: 25 April 2026 Online: 2026-05-06

CLC number:

TQ129

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	Articles by authors
	LI Rongjiang
	SUN Lixian
	XU Fen
	SHI Bin
	CHEN Yue
	PENG Xuan
	DU Maozhan

Cite this article:

LI Rongjiang,SUN Lixian,XU Fen, et al. Enhanced High-performance Lithium-Sulfur Batteries Performance by Nitrogen- Phosphorus Co-doped Momordica Grosvenorii Core-derived Porous Carbon[J]. Materials Reports, 2026, 40(8): 25040122-7.

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https://www.mater-rep.com/EN/10.11896/cldb.25040122 OR https://www.mater-rep.com/EN/Y2026/V40/I8/25040122

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