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首页> 外文期刊>ACS applied materials & interfaces >Remarkable Effect of Sodium Alginate Aqueous Binder on Anatase TiO2 as High-Performance Anode in Sodium Ion Batteries
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Remarkable Effect of Sodium Alginate Aqueous Binder on Anatase TiO2 as High-Performance Anode in Sodium Ion Batteries

机译：藻酸钠水性粘合剂对钠离子电池中锐钛矿TiO2作为高性能阳极的显着作用

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摘要

Sodium alginate (SA) is investigated as the aqueous binder to fabricate high-performance, low-cost, environmentally friendly, and durable TiO2 anodes in sodium-ion batteries (SIBs) for the first time. Compared to the conventional polyvinylidene difluoride (PVDF) binder, electrodes using SA as the binder exhibit significant promotion of electrochemical performances. The initial Coulombic efficiency is as high as 62% at 0.1 degrees C. A remarkable capacity of 180 mAh is achieved with no decay after 500 cycles at 1 degrees C. Even at 10 degrees C (3.4 A g(-1)), it remains 82 mAh g(-1) after 3600 cycles with approximate 100% Coulombic efficiency. TiO2 electrodes with SA binder display less electrolyte decomposition, fewer side reactions, high electrochemistry reaction activity, effective suppression of polarization, and good electrode morphology, which is ascribed to the rich carboxylic groups, high Young's modulus, and good electrochemical stability of SA binder.
机译：将藻酸钠（SA）作为含水粘合剂进行研究，首次制造高性能，低成本，环保和耐用的TiO2阳极（SIBS）。 与常规聚偏二氟化乙烯（PVDF）粘合剂相比，使用SA作为粘合剂的电极表现出显着的电化学性能促进。 初始库仑效率高达62％，0.1℃。甚至在1摄氏度下在500℃下衰减，甚至在10℃下衰减（3.4 a g（-1）），才能实现180mAh的显着容量。 在3600个循环后仍保持82mAhg（-1），具有近似100％的库仑效率。 具有SA粘合剂的TiO2电极显示较少的电解质分解，副反应，高电化学反应活性，偏振的有效抑制，良好的电极形态，其归因于富含羧基，高杨氏模量和SA粘合剂的良好电化学稳定性。

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  • 作者

    Ling Liming; Bai Ying; Wang Zhaohua; Ni Qiao; Chen Guanghai; Zhou Zhiming; Wu Chuan;

  • 作者单位

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Environm Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Environm Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Environm Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Environm Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Environm Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Chem &

    Chem Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Environm Sci &

    Engn Beijing 100081 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    sodium alginate; binder; anatase TiO2; durable; sodium ion batteries;

    机译：藻酸钠;粘合剂;锐钛矿TiO2;耐用;钠离子电池;

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