4.5 Article

PANI//MoO3 Fiber-shaped Asymmetric Supercapacitors with Roll-type Configuration

期刊

FIBERS AND POLYMERS
卷 21, 期 3, 页码 465-472

出版社

KOREAN FIBER SOC
DOI: 10.1007/s12221-020-9811-1

关键词

Polyaniline; MoO3; Carbon fiber; Fiber-shaped supercapacitor; Wearable device

资金

  1. National Research Foundation of Korea (NRF) - Ministry of Education, Republic of Korea [2012R1A6A1029029, 2014M3A7B4052201, 2018R1A2B6009208]
  2. National Research Foundation of Korea [2018R1A2B6009208] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

向作者/读者索取更多资源

An asymmetric fiber-shaped supercapacitor (FSC) with roll-type configuration, displaying high power and energy density characteristics, has been fabricated for energy storage in wearable devices. The positive and negative electrodes of the asymmetric FSC consist of polyaniline (PANI) and MoO3, respectively, and are deposited on a carbon fiber (CF) substrate using a chemical bath deposition method. A polyvinyl alcohol/H2SO4 gel is used as electrolyte, which also maintains the CF electrodes in fiber form. The asymmetric PANI//MoO3 roll-type FSC exhibits a wider potential range than its symmetric PANI//PANI counterpart, resulting in higher energy and power densities. The asymmetric PANI//MoO3 roll-type FSC shows an energy density of 67.51 mu Wh/cm(3) with a power density of 59.71 mW/cm(3) at a current of 10 mA, which is more than twice the energy density of symmetric PANI//PANI roll-type FSC (30.42 mu Wh/cm(3) and 25.12 mW/cm(3)).

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