Electrochemical betavoltaic cell using black TiO2 nanotube arrays modified with single-walled carbon nanotubes

被引：0
|
作者：
Wang, Na [1 ,2 ]
Zheng, Renrong [1 ,2 ]
Wang, Zhen [1 ,2 ]
Chen, Jiang [1 ,2 ]
San, Haisheng [1 ,2 ]
机构：
[1] Xiamen Univ, Pen Tung Sah Inst Micronano Sci & Technol, Xiamen 361005, Fujian, Peoples R China
[2] Xiamen Univ, Shenzhen Res Inst, Shenzhen 518000, Guangdong, Peoples R China
来源：
2021 IEEE 16TH INTERNATIONAL CONFERENCE ON NANO/MICRO ENGINEERED AND MOLECULAR SYSTEMS (NEMS) | 2021年
基金：
中国国家自然科学基金;
关键词：
PERFORMANCE;
D O I：
10.1109/NEMS51815.2021.9451396
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper reports a design and fabrication of electrochemical-betavoltaic cell (EBC), which consists of black TiO2 nanotube arrays (BTNTAs) as work electrode, and polyiodine (I-/I-3(-)) solution as electrolyte, and a 10 mCi of Ni-63/Ni (10X20 mm(2)) sheet as counter electrode as well as beta source. By modificating single-wall carbon-nanotubes (SWCNTs) on the surface of BTNTAs, the EBC exhibits an energy conversion efficiency of similar to 5.12% with V-oc = 80.0 mV, J(sc) = 1.59 mu A/cm(2), and P-max = 54 nW/cm(2). The enhancement of betavoltaic effect can be attributed to the large surface area of SWCNTs/BTNTAs with high-density active sites and excellent electric conductivity.
引用
收藏
页码：399 / 402
页数：4
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