|本期目录/Table of Contents|

[1]汪大中,张凌豪,夏琦博,等.CNTs包覆 Na2+2xFe2-x (SO4)3 材料的制备及其储钠性能研究[J].浙江理工大学学报,2026,55-56(自科四):443-455.
　WANG Dazhong,ZHANG Linghao,XIA Qibo,et al.A study on the preparation of CNTs-coated Na2+2xFe2-x (SO4) 3materials and theirs odium storage properties[J].Journal of Zhejiang Sci-Tech University,2026,55-56(自科四):443-455.
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CNTs包覆 Na2+2xFe2-x (SO4)3 材料的制备及其储钠性能研究()

浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
55-56
期数:
2026年自科第四期
页码:
443-455
栏目:
出版日期:
2026-07-10

文章信息/Info

Title:
A study on the preparation of CNTs-coated Na2+2xFe2-x (SO4) 3materials and theirs odium storage properties
文章编号:
1673-3851(2026) 07-0443-13
作者:
汪大中; 张凌豪; 夏琦博; 杨叶锋
浙江理工大学材料科学与工程学院 ,杭州 310018
Author(s):
WANG Dazhong; ZHANG Linghao; XIA Qibo; YANG Yefeng
School of Materials Science& Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
钠离子电池; 正极材料 ; 铁基聚阴离子型 ; 喷雾干燥法 ; 碳包覆
分类号:
TQ325.12
文献标志码:
A
摘要:
针对钠离子电池聚阴离子型正极硫酸铁钠(Na2+2xFe2-x (SO4)3 ,NFS)存在的本征电子电导率低和空气中结构不稳定等问题 ,采用喷雾干燥法制备碳纳米管(Carbon Nanotubes,CNTs)复合的 NFS正极材料 ,通过调控CNTs的添加比例 , 实现其与NFS活性颗粒的均匀复合及导电网络的构建 ,并系统分析不同 CNTs含量对 NFS材料结构和电化学性能的影响 。结果表明 : 当 CNTs添加比例为总 NFS质量的 10%时 ,所制备的复合材料综合性能最佳 ;1.0 C倍率下循环 100次后容量保持率高达 94% ,在 10.0 C高倍率下经 300次循环后仍保持 65 mAh/g的可逆容量 ,容量保持率接近 100% 。 同时 ,得益于 CNTs的包覆 ,NFS的吸水性得到有效抑制 ,在储存 3 个月后仍能保持完好的晶体结构 ,存储稳定性显著提升 。该研究为提升 NFS正极材料的综合性能提供了有效策略 ,有望推动钠离子电池在规模化储能领域的实际应用。

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备注/Memo

备注/Memo:
基金项目 : 浙江省自然科学基金项目(LY21E020010)收稿日期 : 2025-12-01 网络出版日期 : 2026-01-27
作者简介 : 汪大中(2000— ) ,男 ,杭州人 ,硕士研究生 ,主要从事钠离子电池正极材料方面的研究。通信作者: 杨叶锋,E-mail: yangyf@zstu. edu. cntheoverallperformanceofNFScathodematerials, whichisexpectedtopromotethepracticalapplicationof sodium-ion batteriesin large-scaleenergy storage
更新日期/Last Update: 2026-07-05