可穿戴纤维能源存储器件
详细信息 查看官网全文
- 英文论文题名：Yarn energy storage devices for wearable electronics
- 论文作者：孟庆海 ; 魏志祥
- 英文论文作者：Qinghai Meng ; Zhixiang Wei ; National Center for Nanoscience and Technology
- 年：2016
- 作者机构：国家纳米科学中心;
- 论文关键词：纤维 ; 超级电容器 ; 锂离子电池
- 会议召开时间：2016-07-01
- 会议录名称：中国化学会第30届学术年会摘要集-第三十分会：化学电源
- 语种：中文
- 分类号：TM53;TM912
- 学会代码：ZGHY
- 会议名称：中国化学会第30届学术年会-第三十分会 ; 化学电源
- 会议地点：中国辽宁大连
- 主办单位：中国化学会
- 学会名称：中国化学会
- 页数：1
- 文件大小：110k
- 原文格式：D
- 会议级别：全国
摘要
如今,无论在科研领域还是工业领域,可穿戴器件作为新兴的概念已经受到了广泛关注。纤维超级电容器因其高功率密度和循环稳定性成为可穿戴电子器件领域不可或缺的一部分。[1]基于单壁碳纳米管和导电聚苯胺复合材料纤维电极,我们制备了高性能螺纹状纤维超级电容器,这种复合材料纤维超级电容器具有高容量、高倍率、高循环稳定性的特点。[2]为了进一步提高纤维超级电容器的性能,我们通过提高纤维电极的电导率来增强其电子传输性能,由此我们制备了高电导纤维电极。[3]利用这种高电导纤维电极,我们组装出了全固态全碳纤维微型超级电容器。电化学测试结果表明,组装出的超级电容器具有非常高的容量和能量密度、良好的倍率性能和循环稳定性。优越的性能表明纤维超级电容器在便携式可穿戴电子领域具有广阔的应用前景。除此以外,由于锂离子电池相较超级电容器来说具有更高的能量密度,我们目前正在探究将传统的柔性导电纤维应用在锂离子电池中,希望通过组装出柔性纤维锂离子电池来进一步提高可穿戴纤维存储器件的能量密度,进而提高其应用的可能。
Nowadays,as a novel concept,wearable electronics have attracted great attention in both scientific and industrial areas.Yarn energy storage devices are key components for wearable electronics due to their high power density and cycling stability.Herein,we demonstrate a prototype of high-performance and thread-like yarn supercapacitor based on a composite electrode of single-walled carbon nanotubes(SWNTs) and conducting polyaniline(PANI)nanowires.To further improve the conductivity of yarn,we also developed a new method to synthesize all-carbon yarn.Based on this material,we also fabricated flexible all-solid-state yarn micro-supercapacitors.Electrochemical results show high specific capacitance and energy density,good rate capability and stable cycling life.Results of this research offer prospect for application in portable and wearable electronics.Li-ion batteries have more energy density than supercapacitors,and we try to combine traditional yarns that have high conductivity and much flexibility with the Li-ion battery to investigate the electrical and mechanical properties of such yarn battery.
Nowadays,as a novel concept,wearable electronics have attracted great attention in both scientific and industrial areas.Yarn energy storage devices are key components for wearable electronics due to their high power density and cycling stability.Herein,we demonstrate a prototype of high-performance and thread-like yarn supercapacitor based on a composite electrode of single-walled carbon nanotubes(SWNTs) and conducting polyaniline(PANI)nanowires.To further improve the conductivity of yarn,we also developed a new method to synthesize all-carbon yarn.Based on this material,we also fabricated flexible all-solid-state yarn micro-supercapacitors.Electrochemical results show high specific capacitance and energy density,good rate capability and stable cycling life.Results of this research offer prospect for application in portable and wearable electronics.Li-ion batteries have more energy density than supercapacitors,and we try to combine traditional yarns that have high conductivity and much flexibility with the Li-ion battery to investigate the electrical and mechanical properties of such yarn battery.
引文
[1]Wang,K.;Meng,Q.;Zhang,Y.;Wei,Z.;Miao,M.Adv.Mater,2013,25:1494.
[2]Meng,Q.;Wang,K.;Guo,W.;Fang,J.;Wei,Z.;She,X.Small,2014,10:3187.
[3]Meng,Q.;Wu,H.;Meng,Y.;Xie,K.Wei,Z.;Guo,Z.Adv.Mater,2014,26:4100.
[2]Meng,Q.;Wang,K.;Guo,W.;Fang,J.;Wei,Z.;She,X.Small,2014,10:3187.
[3]Meng,Q.;Wu,H.;Meng,Y.;Xie,K.Wei,Z.;Guo,Z.Adv.Mater,2014,26:4100.