Porous niobium nitride as a capacitive anode material for advanced Li-ion hybrid capacitors with superior cycling stability | |
Department | 清洁能源化学与材料实验室 |
Wang, Peiyu1,2; Wang RT(王儒涛)1; Lang JW(郎俊伟)1; Zhang X(张旭)1; Chen, Zhenkun1; Yan XB(阎兴斌)1; Yan XB(阎兴斌) | |
The second department | 固体润滑国家重点实验室 |
2016 | |
Source Publication | Journal of Materials Chemistry A |
ISSN | 2050-7488 |
Volume | 4Issue:25Pages:9760-9766 |
Abstract | Lithium-ion hybrid capacitors (LIHCs) are receiving intense interest because they can combine the distinctive advantages of Li-ion batteries and supercapacitors. Their main limitations, however, are slow anode kinetics and poor cycle life when compared to supercapacitors. Here we demonstrate for the first time that conductive porous niobium nitride (p-NbN) with a cubic crystal structure, one-step prepared from commercial powdery Nb2O5, is an ideal anode material having pseudocapacitive characteristics (high rate lithium ion storage and excellent long-term cycling stability) for LIHCs. As a consequence, a novel LIHC is fabricated using p-NbN as the anode and activated carbon as the cathode. This device with a wide potential window of 4.0 V exhibits a high energy density of 149 W h kg−1 and a high power density of 45 kW kg−1 as well as a superior capacity retention of 95% after 15000 cycles at 1.0 A g−1. In view of the excellent electrochemical characteristics, the simple manufacturing of p-NbN as well as the high-density nature of the NbN material, our results are of great importance for future development of long-life LIHCs with high gravimetric/volumetric performances. |
Subject Area | 材料科学与物理化学 |
DOI | 10.1039/c6ta02971j |
Funding Organization | the National Nature Science Foundation of China (21573265;51501208) |
Indexed By | SCI |
If | 8.867 |
Language | 英语 |
Funding Project | 低维材料与化学储能课题组 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/20142 |
Collection | 清洁能源化学与材料实验室 固体润滑国家重点实验室(LSL) |
Corresponding Author | Yan XB(阎兴斌) |
Affiliation | 1.Chinese Acad Sci, Lab Clean Energy Chem & Mat, State Key Lab Solid Lubricat, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China 2.Northwest Univ Nationalities, Coll Elect Engn, Key Lab Elect Mat State Ethn Affairs Commiss, Lanzhou 730030, Peoples R China |
Recommended Citation GB/T 7714 | Wang, Peiyu,Wang RT,Lang JW,et al. Porous niobium nitride as a capacitive anode material for advanced Li-ion hybrid capacitors with superior cycling stability[J]. Journal of Materials Chemistry A,2016,4(25):9760-9766. |
APA | Wang, Peiyu.,Wang RT.,Lang JW.,Zhang X.,Chen, Zhenkun.,...&阎兴斌.(2016).Porous niobium nitride as a capacitive anode material for advanced Li-ion hybrid capacitors with superior cycling stability.Journal of Materials Chemistry A,4(25),9760-9766. |
MLA | Wang, Peiyu,et al."Porous niobium nitride as a capacitive anode material for advanced Li-ion hybrid capacitors with superior cycling stability".Journal of Materials Chemistry A 4.25(2016):9760-9766. |
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