碳纳米管中嵌入硫酸盐取代Na3V2(PO4)3纳米点的超快钠离子存储

IF 9.1 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2025-10-06 DOI:10.1021/acs.nanolett.5c03272

Naohisa Okita, Keisuke Matsumura, Yuta Harada, Masahiro Fukuyama, Mai Tomita, Masaya Nakagawa, Yuto Iwasaki, Akari Ukai, Kangkang Ge, Etsuro Iwama, Wako Naoi, Patrick Rozier, Patrice Simon, Katsuhiko Naoi

{"title":"碳纳米管中嵌入硫酸盐取代Na3V2(PO4)3纳米点的超快钠离子存储","authors":"Naohisa Okita, Keisuke Matsumura, Yuta Harada, Masahiro Fukuyama, Mai Tomita, Masaya Nakagawa, Yuto Iwasaki, Akari Ukai, Kangkang Ge, Etsuro Iwama, Wako Naoi, Patrick Rozier, Patrice Simon, Katsuhiko Naoi","doi":"10.1021/acs.nanolett.5c03272","DOIUrl":null,"url":null,"abstract":"Polyanion-substituted sodium vanadium phosphate (Na3V2(PO4)3, NVP) derivatives, including SO4, BO3, WO4, and SiO4 substitutions, were systematically synthesized and impregnated with a nanocarbon network via ultracentrifugation. Among them, nanosized (5–30 nm), highly crystalline, and well-dispersed sulfate-substituted NVP (NVPS) nanodots were directly nucleated onto multiwalled carbon nanotubes, enabling ultrafast electrochemical kinetics. This nanoscale architecture delivered exceptional rate capability, achieving 97 mAh g–1 at 1000C (3.6 s discharge), corresponding to 83% of the theoretical capacity, outperforming conventional NVP. The electrochemical kinetics analysis using a cavity microelectrode revealed reduced polarization, enhanced capacitive charge storage, and rapid sodium ion diffusion during intercalation/deintercalation, facilitated by the conformal interface between NVPS and MWCNT, possibly by sulfate-induced surface modifications. These findings establish polyanion substitution and ultracentrifugation-assisted materials processing as a transformative strategy for overcoming intrinsic transport limitations in NASICON-type phosphates, positioning NVPS as a benchmark material for next-generation high-power sodium-ion batteries and hybrid capacitors.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"9 1","pages":""},"PeriodicalIF":9.1000,"publicationDate":"2025-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Sulfate-Substituted Na3V2(PO4)3 Nanodots Embedded in Carbon Nanotubes for Ultrafast Sodium-Ion Storage\",\"authors\":\"Naohisa Okita, Keisuke Matsumura, Yuta Harada, Masahiro Fukuyama, Mai Tomita, Masaya Nakagawa, Yuto Iwasaki, Akari Ukai, Kangkang Ge, Etsuro Iwama, Wako Naoi, Patrick Rozier, Patrice Simon, Katsuhiko Naoi\",\"doi\":\"10.1021/acs.nanolett.5c03272\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Polyanion-substituted sodium vanadium phosphate (Na3V2(PO4)3, NVP) derivatives, including SO4, BO3, WO4, and SiO4 substitutions, were systematically synthesized and impregnated with a nanocarbon network via ultracentrifugation. Among them, nanosized (5–30 nm), highly crystalline, and well-dispersed sulfate-substituted NVP (NVPS) nanodots were directly nucleated onto multiwalled carbon nanotubes, enabling ultrafast electrochemical kinetics. This nanoscale architecture delivered exceptional rate capability, achieving 97 mAh g–1 at 1000C (3.6 s discharge), corresponding to 83% of the theoretical capacity, outperforming conventional NVP. The electrochemical kinetics analysis using a cavity microelectrode revealed reduced polarization, enhanced capacitive charge storage, and rapid sodium ion diffusion during intercalation/deintercalation, facilitated by the conformal interface between NVPS and MWCNT, possibly by sulfate-induced surface modifications. These findings establish polyanion substitution and ultracentrifugation-assisted materials processing as a transformative strategy for overcoming intrinsic transport limitations in NASICON-type phosphates, positioning NVPS as a benchmark material for next-generation high-power sodium-ion batteries and hybrid capacitors.\",\"PeriodicalId\":53,\"journal\":{\"name\":\"Nano Letters\",\"volume\":\"9 1\",\"pages\":\"\"},\"PeriodicalIF\":9.1000,\"publicationDate\":\"2025-10-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nano Letters\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1021/acs.nanolett.5c03272\",\"RegionNum\":1,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nano Letters","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1021/acs.nanolett.5c03272","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}

引用次数: 0

摘要

系统合成了聚阴离子取代磷酸钒钠（Na3V2(PO4)3， NVP）衍生物，包括SO4， BO3， WO4和SiO4取代，并通过超离心浸渍纳米碳网络。其中，纳米尺寸（5-30 nm）、高结晶性、分散良好的硫酸盐取代NVP （NVPS）纳米点被直接成核到多壁碳纳米管上，实现了超快的电化学动力学。这种纳米级结构提供了卓越的倍率能力，在1000C （3.6 s放电）下达到97 mAh g-1，相当于理论容量的83%，优于传统的NVP。利用空腔微电极进行的电化学动力学分析表明，NVPS和MWCNT之间的保形界面可能是硫酸盐诱导的表面修饰，在插插/脱插过程中，NVPS和MWCNT之间的保形界面促进了极化降低、电容电荷存储增强和钠离子快速扩散。这些发现确立了聚阴离子取代和超离心辅助材料加工是克服nasicon型磷酸盐固有输运限制的变革策略，将NVPS定位为下一代高功率钠离子电池和混合电容器的基准材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Sulfate-Substituted Na3V2(PO4)3 Nanodots Embedded in Carbon Nanotubes for Ultrafast Sodium-Ion Storage

查看原文本刊更多论文

Sulfate-Substituted Na3V2(PO4)3 Nanodots Embedded in Carbon Nanotubes for Ultrafast Sodium-Ion Storage

Polyanion-substituted sodium vanadium phosphate (Na₃V₂(PO₄)₃, NVP) derivatives, including SO₄, BO₃, WO₄, and SiO₄ substitutions, were systematically synthesized and impregnated with a nanocarbon network via ultracentrifugation. Among them, nanosized (5–30 nm), highly crystalline, and well-dispersed sulfate-substituted NVP (NVPS) nanodots were directly nucleated onto multiwalled carbon nanotubes, enabling ultrafast electrochemical kinetics. This nanoscale architecture delivered exceptional rate capability, achieving 97 mAh g^–1 at 1000C (3.6 s discharge), corresponding to 83% of the theoretical capacity, outperforming conventional NVP. The electrochemical kinetics analysis using a cavity microelectrode revealed reduced polarization, enhanced capacitive charge storage, and rapid sodium ion diffusion during intercalation/deintercalation, facilitated by the conformal interface between NVPS and MWCNT, possibly by sulfate-induced surface modifications. These findings establish polyanion substitution and ultracentrifugation-assisted materials processing as a transformative strategy for overcoming intrinsic transport limitations in NASICON-type phosphates, positioning NVPS as a benchmark material for next-generation high-power sodium-ion batteries and hybrid capacitors.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.