Pore-graded and conductor- and binder-free FeS_2 films deposited by spray pyrolysis for high-performance lithium-ion batteries

Al Khateeb Shadi; Sparks Taylor D.

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Pore-graded and conductor- and binder-free FeS_2 films deposited by spray pyrolysis for high-performance lithium-ion batteries

机译：喷雾热解沉积的无孔无导体FeS_2薄膜，用于高性能锂离子电池

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Porosity-graded, conductor-and binder-free porous FeS2 films through the entire thickness were deposited by spray pyrolysis. The film layers deposited at 15 versus 10 L/min are grown in different modes. The film layer deposited at 15 L/min showed Frank-van der Merwe layer-like growth mode whereas the one deposited at 10 L/min showed island growth mode. These growth modes lead to the formation of large pores on the electrolyte side and small ones on the substrate side of the film deposited using 15 and 10 L/min, sequentially. The porosity-graded films showed discharge capacities at C/10 of 879 mA h/g and 754 mA h/g for the 5th and 20th cycles, respectively. Such capacity values are superior to the literature findings for FeS2 powders and nongraded films mixed with conductor and binder additions.

机译：通过喷雾热解沉积在整个厚度上具有孔隙率梯度的，无导体和无粘结剂的多孔FeS2薄膜。以15对10 L / min的速度沉积的薄膜层以不同的模式生长。以15升/分钟的速度沉积的薄膜层显示出Frank-van der Merwe层状的生长模式，而以10升/分钟的速度沉积的膜层显示出岛状生长模式。这些生长模式导致依次以15和10 L / min的速度在膜的电解质侧形成大孔，在基片侧形成小孔。孔隙度分级的膜在第5次和第20次循环的C / 10放电容量分别为879 mA h / g和754 mA h / g。这样的容量值优于FeS2粉末和掺有导体和粘合剂的非梯度薄膜的文献发现。

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《Journal of Materials Research》 |2019年第14期|2456-2471|共16页
作者
Al Khateeb Shadi; Sparks Taylor D.;
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作者单位

Al Balqa Appl Univ, Dept Mat Engn, Al Salt 19117, Jordan|Univ Utah, Dept Mat Sci & Engn, Salt Lake City, UT 84112 USA;

Univ Utah, Dept Mat Sci & Engn, Salt Lake City, UT 84112 USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
energy storage; thin film; porosity;

机译：储能;薄膜;孔隙率;

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1. Pore-graded and conductor- and binder-free FeS_2 films deposited by spray pyrolysis for high-performance lithium-ion batteries [J] . Al Khateeb Shadi, Sparks Taylor D. Journal of Materials Research . 2019,第14期

机译：通过喷雾热解沉积的孔径和无铅FES_2薄膜，用于高性能锂离子电池
2. Spray pyrolysis of conductor- and binder-free porous FeS2 films for high-performance lithium ion batteries [J] . Al Khateeb Shadi, Sparks Taylor D. Journal of Materials Science . 2019,第5期

机译：用于高性能锂离子电池的导体和无粘合剂多孔FES2薄膜的喷雾热解
3. Spray pyrolysis-deposited TiO2 thin films as high-performance lithium ion battery anodes [J] . Gangaja Binitha, Haridas Anupriya K., Nair Shantikumar, Ionics . 2018,第8期

机译：喷雾热解沉积的TiO2薄膜作为高性能锂离子电池阳极
4. Co_(0.85)Se Nanosheets/Grapfaene Composite Film as Binder-free Anode for Lithium-ion Batteries [C] . ZhangG, ZhouJ, Chen X World Conference on Carbon . 2017

机译：CO_（0.85）SE纳米片/葡萄氟复合薄膜作为锂离子电池的无粘合剂阳极
5. Tin oxide based composites derived using electrostatic spray deposition technique as anodes for lithium-ion batteries. [D] . Dhanabalan, Abirami. 2012

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6. Nanosized CoO Loaded on Copper Foam for High-Performance Binder-Free Lithium-Ion Batteries [O] . Mingna Liao, Qilun Zhang, Fengling Tang, 2018

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7. Co(OH)2@MnO2 nanosheet arrays as hybrid binder-free electrodes for high-performance lithium-ion batteries and supercapacitors [O] . Manab Kundu, Gurvinder Singh, Ann Mari Svensson 2019

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Pore-graded and conductor- and binder-free FeS_2 films deposited by spray pyrolysis for high-performance lithium-ion batteries

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