Carbonized Ganoderma Lucidum/V2O3 Composites as a Superior Cathode for High-Performance Aqueous Zinc-Ion Batteries

被引：2
作者：
Zeng, Guilin [1 ,2 ]
Li, Zhengda [1 ]
Jiang, Shaohua [3 ]
Zhou, Wei [1 ]
机构：
[1] Changsha Univ, Hunan Key Lab Appl Environm Photocatalysis, Changsha 410022, Peoples R China
[2] Hunan Univ Technol, Coll Mat & Adv Mfg, Zhuzhou 412007, Peoples R China
[3] Nanjing Forestry Univ, Coll Mat Sci & Engn, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat Fo, Int Innovat Ctr Forest Chem & Mat, Nanjing 210037, Peoples R China
来源：
MOLECULES | 2024年 / 29卷 / 15期
关键词：
V2O3; carbonized; biomass; cathode; AZIBs; capacity retention; ENHANCED ELECTROCHEMICAL PERFORMANCE; HYDRATED VANADIUM PENTOXIDE; CORE-SHELL COMPOSITES; V2O3; NANOPARTICLES; MICROSPHERES; NANOFIBERS; NANOSHEETS; OXIDES;
D O I：
10.3390/molecules29153688
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
In response to the suboptimal electrochemical performance of low-valence vanadium oxides, Ganoderma lucidum biomass-derived carbon@V2O3 (V2O3@CGL) composites were prepared by evaporative self-assembly technology and high-temperature calcination. In the prepared composites, V2O3 effectively encapsulates CGL, serving as a support for V2O3 and enhancing electrical conductivity and structural stability. This results in improved overall performance for the composites. They revealed satisfactory electrochemical properties when assembled in aqueous zinc-ion batteries (AZIBs). The preliminary discharge specific capacity of the V2O3@CGL-2 (VOCG-2) composite electrode reached 407.87 mAh g(-1) at 0.05 A g(-1). After 1000 cycles, the capacity retention is 93.69% at 3 A g(-1). This research underscores the feasibility of employing V2O3 and abundantly available biomass for high-performance AZIB cathodes.
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页数：14
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