Facile Pyrolyzed N-Doped Binder Network for Stable Si Anodes

Zhang Zhenggang; Jiang Yang; Peng Zhe; Yang Shanshan; Lin Huan; Liu Meng; Wang Deyu

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Facile Pyrolyzed N-Doped Binder Network for Stable Si Anodes

机译：适用于稳定Si阳极的轻度热解的N掺杂的粘合剂网络

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摘要

Although nanoengineering provides improved stability of Si-based nanostructures, a facile and efficacious method to directly use raw Si practices is still absent. Herein, we report a pyrolyzed N-doped binder network to improve the cycling stability of raw Si particles. Such an N-doped binder network is formed at a conformal pyrolysis condition of the electrode binder using polyacrylonitrile and provides a tight encapsulation of the Si particles with significantly improved cycling stability. In contrast to the single Si particles that pulverize and lose the total capacity at the 20th cycle, the discharge capacity could be retained similar to 1700 mA h g(-1) at the 100th cycle for the Si particles imbedded in the pyrolyzed N doped binder network. Our results demonstrate that such a facile remedy could significantly improve the cycling stability-of raw Si particles for high-energy-density lithium-ion batteries.

机译：尽管纳入工程提供了改善的基于Si的纳米结构的稳定性，但仍然不存在易于使用原料Si实践的容易和有效的方法。在此，我们报告了一种热解的N掺杂粘合剂网络，以改善原始Si颗粒的循环稳定性。使用聚丙烯腈在电极粘合剂的共形热解条件下形成这种N掺杂的粘合剂网络，并提供了Si颗粒的紧密包封，具有显着改善的循环稳定性。与粉碎和失去第20次循环的总容量的单个Si颗粒相反，在热解N掺杂的粘合网网络中嵌入的Si颗粒的第100次循环中，放电容量可以保持类似于1700mA Hg（-1）的放电容量。我们的结果表明，这种容易的补救措施可以显着改善高能密度锂离子电池的循环稳定性的原料稳定性。

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来源
《ACS applied materials & interfaces》 |2017年第38期|共7页
作者
Zhang Zhenggang; Jiang Yang; Peng Zhe; Yang Shanshan; Lin Huan; Liu Meng; Wang Deyu;
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作者单位

Chinese Acad Sci Ningbo Inst Mat Technol &

Engn Ningbo 315201 Zhejiang Peoples R China;

Chinese Acad Sci Ningbo Inst Mat Technol &

Engn Ningbo 315201 Zhejiang Peoples R China;

Chinese Acad Sci Ningbo Inst Mat Technol &

Engn Ningbo 315201 Zhejiang Peoples R China;

Chinese Acad Sci Ningbo Inst Mat Technol &

Engn Ningbo 315201 Zhejiang Peoples R China;

Chinese Acad Sci Ningbo Inst Mat Technol &

Engn Ningbo 315201 Zhejiang Peoples R China;

Chinese Acad Sci Ningbo Inst Mat Technol &

Engn Ningbo 315201 Zhejiang Peoples R China;

Chinese Acad Sci Ningbo Inst Mat Technol &

Engn Ningbo 315201 Zhejiang 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
silicon; polyacrylonitrile; pyrolysis; binder network; lithium-ion batteries;

机译：硅;聚丙烯腈;热解;粘合剂网络;锂离子电池;

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专利

1. Facile Pyrolyzed N-Doped Binder Network for Stable Si Anodes [J] . Zhang Zhenggang, Jiang Yang, Peng Zhe, ACS applied materials & interfaces . 2017,第38期

机译：适用于稳定Si阳极的轻度热解的N掺杂的粘合剂网络
2. Highly porous Ti/SnO_2 network composite film as stable binder-free anode materials for lithium ion batteries [J] . Huan Zhou, Yuan Zhong, Zhishun He, Applied Surface Science . 2014,第sepa30期

机译：高度多孔的Ti / SnO_2网络复合膜，可作为锂离子电池的稳定无粘结剂阳极材料
3. Facile synthesis of 3D binder-free N-doped carbon nanonet derived from silkworm cocoon for Li-O-2 battery [J] . Jing Shengyu, Zhang Maoshen, Liang Huagen, Journal of Materials Science . 2018,第6期

机译：用于Li-O-2电池的蚕茧蚕茧3D粘合剂N掺杂碳纳米型的容易合成
4. Innovating Binder Free Silicon Based Electrode is Promising Anode for Stable and Safer Lithium-Sulfur Batteries. Technology Equipment for production. Electrochemical Properties. Electromagnetic Non-Destructive testing [C] . Elena Shembel, Volodymyr Redko, Timothy Pastushkin International Conference on Advanced Batteries, Accumulators and Fuel Cells . 2019

机译：创新的粘合剂游离硅基电极是稳定和更安全的锂 - 硫磺电池的阳极。生产技术和设备。电化学性质。电磁非破坏性测试
5. Surface Chemistry and Precursor Material Effects on the Performance of Pyrolyzed Nanofibers as Anodes for Lithium-ion Batteries. [D] . Loebl, Andrew James. 2012

机译：表面化学和前体材料对热解纳米纤维作为锂离子电池阳极的性能的影响。
6. Facile Synthesis of N-Doped Graphene-Like Carbon Nanoflakes as Efficient and Stable Electrocatalysts for the Oxygen Reduction Reaction [O] . Daguo Gu, Yao Zhou, Ruguang Ma, -1

机译：简便地合成N掺杂类石墨碳纳米薄片作为高效稳定的氧还原反应电催化剂
7. Facile Pyrolyzed NDoped Binder Network for Stable Si Anodes [O] . -1

机译：适用于稳定Si阳极的Bacile热解的Ndoped活页夹网

Facile Pyrolyzed N-Doped Binder Network for Stable Si Anodes

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