Ultrafast-Charging Supercapacitors Based on Corn-Like Titanium Nitride Nanostructures

Ultrafast-Charging Supercapacitors Based on Corn-Like Titanium Nitride Nanostructures

Ultrahigh rates realized by ALD-made TiN. The symmetric full-cell supercapacitors deliver a typical capacitance of 20.7 F cm−3 at a scan rate of 1 V s−1, and retain 4.3 F cm−3 at high rate of 100 V s−1. The devices can be charged and discharged for 20 000 cycles with negligible capacitance loss and...

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Bibliographic Details
Main Authors: Yang, Peihua, Chao, Dongliang, Zhu, Changrong, Xia, Xinhui, Zhang, Yongqi, Wang, Xingli, Sun, Peng, Tay, Beng Kang, Shen, Ze Xiang, Mai, Wenjie, Fan, Hong Jin
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2017
Subjects:
Supercapacitors
Self-discharge
Online Access:https://hdl.handle.net/10356/85007
http://hdl.handle.net/10220/42053
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Institution: Nanyang Technological University
Language: English
Description
Summary:Ultrahigh rates realized by ALD-made TiN. The symmetric full-cell supercapacitors deliver a typical capacitance of 20.7 F cm−3 at a scan rate of 1 V s−1, and retain 4.3 F cm−3 at high rate of 100 V s−1. The devices can be charged and discharged for 20 000 cycles with negligible capacitance loss and with an ultralow self-discharge current (≈1 μA).

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