中文版 | English
Title

Scalable Polyimide-Organosilicate Hybrid Films for High-Temperature Capacitive Energy Storage

Author
Corresponding AuthorWang, Hong
Publication Years
2023-03-01
DOI
Source Title
ISSN
0935-9648
EISSN
1521-4095
Abstract
High-temperature polymer dielectrics have broad application prospects in next-generation microelectronics and electrical power systems. However, the capacitive energy densities of dielectric polymers at elevated temperatures are severely limited by carrier excitation and transport. Herein, a molecular engineering strategy is presented to regulate the bulk-limited conduction in the polymer by bonding amino polyhedral oligomeric silsesquioxane (NH2-POSS) with the chain ends of polyimide (PI). Experimental studies and density functional theory (DFT) calculations demonstrate that the terminal group NH2-POSS with a wide-bandgap of E-g approximate to 6.6 eV increases the band energy levels of the PI and induces the formation of local deep traps in the hybrid films, which significantly restrains carrier transport. At 200 degrees C, the hybrid film exhibits concurrently an ultrahigh discharged energy density of 3.45 J cm(-3) and a high gravimetric energy density of 2.74 J g(-1), with the charge-discharge efficiency >90%, far exceeding those achieved in the dielectric polymers and nearly all other polymer nanocomposites. Moreover, the NH2-POSS terminated PI film exhibits excellent charge-discharge cyclability (>50000) and power density (0.39 MW cm(-3)) at 200 degrees C, making it a promising candidate for high-temperature high-energy-density capacitors. This work represents a novel strategy to scalable polymer dielectrics with superior capacitive performance operating in harsh environments.
Keywords
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
First ; Corresponding
Funding Project
National Key Research & Development Program[2021YFB3800603] ; National Natural Science Foundation of China[92066208] ; Shenzhen Science and Technology Program[KQTD20180411143514543] ; Guangdong Provincial Key Laboratory Program[2021B1212040001]
WOS Research Area
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS Subject
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000957465200001
Publisher
ESI Research Field
MATERIALS SCIENCE
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:6
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/524017
DepartmentDepartment of Materials Science and Engineering
理学院_化学系
深圳格拉布斯研究院
Affiliation
1.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China
2.Southern Univ Sci & Technol, Shenzhen Engn Res Ctr Novel Elect Informat Mat & D, Shenzhen 518055, Guangdong, Peoples R China
3.Southern Univ Sci & Technol, Guangdong Prov Key Lab Funct Oxide Mat & Devices, Shenzhen 518055, Guangdong, Peoples R China
4.Southern Univ Sci & Technol, Guangdong Prov Key Lab Computat Sci & Mat Design, Shenzhen 518055, Guangdong, Peoples R China
5.Southern Univ Sci & Technol, Shenzhen Grubbs Inst, Shenzhen 518055, Guangdong, Peoples R China
6.Southern Univ Sci & Technol, Dept Chem, Shenzhen 518055, Guangdong, Peoples R China
7.Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA
First Author AffilicationDepartment of Materials Science and Engineering;  Southern University of Science and Technology
Corresponding Author AffilicationDepartment of Materials Science and Engineering;  Southern University of Science and Technology
First Author's First AffilicationDepartment of Materials Science and Engineering
Recommended Citation
GB/T 7714
Dong, Jiufeng,Li, Li,Qiu, Peiqi,et al. Scalable Polyimide-Organosilicate Hybrid Films for High-Temperature Capacitive Energy Storage[J]. ADVANCED MATERIALS,2023.
APA
Dong, Jiufeng.,Li, Li.,Qiu, Peiqi.,Pan, Yupeng.,Niu, Yujuan.,...&Wang, Hong.(2023).Scalable Polyimide-Organosilicate Hybrid Films for High-Temperature Capacitive Energy Storage.ADVANCED MATERIALS.
MLA
Dong, Jiufeng,et al."Scalable Polyimide-Organosilicate Hybrid Films for High-Temperature Capacitive Energy Storage".ADVANCED MATERIALS (2023).
Files in This Item:
There are no files associated with this item.
Related Services
Fulltext link
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Export to Excel
Export to Csv
Altmetrics Score
Google Scholar
Similar articles in Google Scholar
[Dong, Jiufeng]'s Articles
[Li, Li]'s Articles
[Qiu, Peiqi]'s Articles
Baidu Scholar
Similar articles in Baidu Scholar
[Dong, Jiufeng]'s Articles
[Li, Li]'s Articles
[Qiu, Peiqi]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Dong, Jiufeng]'s Articles
[Li, Li]'s Articles
[Qiu, Peiqi]'s Articles
Terms of Use
No data!
Social Bookmark/Share
No comment.

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.