Vertical porous 1D/2D hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitors
Asymmetric supercapacitors (ASCs) have attracted widespread attention because of their high energy density, high power density and long cycle life. Nevertheless, the development of anodes and cathodes with complementary potential windows and synchronous energy storage kinetics represents a pivotal c...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Frontiers Media S.A.
2025-02-01
|
| Series: | Frontiers in Chemistry |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/fchem.2025.1550285/full |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849765813781790720 |
|---|---|
| author | Panji Xu Kunhua Quan Xiyuan Wei Yubing Li Shuaikai Xu |
| author_facet | Panji Xu Kunhua Quan Xiyuan Wei Yubing Li Shuaikai Xu |
| author_sort | Panji Xu |
| collection | DOAJ |
| description | Asymmetric supercapacitors (ASCs) have attracted widespread attention because of their high energy density, high power density and long cycle life. Nevertheless, the development of anodes and cathodes with complementary potential windows and synchronous energy storage kinetics represents a pivotal challenge. We propose to construct nanochannel-coupled vertically porous CNF/Ti3CNTx and CNF/rGO hybrid aerogel electrodes via a unidirectional bottom-up cryoprocess. The vertically porous structure will greatly shorten the ion diffusion path and enhance the charge/ion transfer/diffusion kinetics, and the inserted cellulose nanofibers (CNFs) will impede the re-stacking of the nanosheets and enlarge the interlayer nano-channels, thus improving the accessibility of electrolyte ions. Ultimately, all-solid-state ASCs assembled based on nanochannel-coupled vertically porous MXene and graphene aerogel can achieve an excellent energy density of 20.8 Wh kg−1 at 2.3 kW·kg−1, a high multiplicity performance, and retains 95.1% of energy density after 10,000 cycles. This work not only demonstrates the great superiority of nanochannel-coupled vertically porous hybrid aerogels, but also provides an effective strategy for designing asymmetric supercapacitor electrodes with matched structural and electrochemical properties. |
| format | Article |
| id | doaj-art-776867441e14433bb01f22bd9b2b30c2 |
| institution | DOAJ |
| issn | 2296-2646 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Chemistry |
| spelling | doaj-art-776867441e14433bb01f22bd9b2b30c22025-08-20T03:04:45ZengFrontiers Media S.A.Frontiers in Chemistry2296-26462025-02-011310.3389/fchem.2025.15502851550285Vertical porous 1D/2D hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitorsPanji XuKunhua QuanXiyuan WeiYubing LiShuaikai XuAsymmetric supercapacitors (ASCs) have attracted widespread attention because of their high energy density, high power density and long cycle life. Nevertheless, the development of anodes and cathodes with complementary potential windows and synchronous energy storage kinetics represents a pivotal challenge. We propose to construct nanochannel-coupled vertically porous CNF/Ti3CNTx and CNF/rGO hybrid aerogel electrodes via a unidirectional bottom-up cryoprocess. The vertically porous structure will greatly shorten the ion diffusion path and enhance the charge/ion transfer/diffusion kinetics, and the inserted cellulose nanofibers (CNFs) will impede the re-stacking of the nanosheets and enlarge the interlayer nano-channels, thus improving the accessibility of electrolyte ions. Ultimately, all-solid-state ASCs assembled based on nanochannel-coupled vertically porous MXene and graphene aerogel can achieve an excellent energy density of 20.8 Wh kg−1 at 2.3 kW·kg−1, a high multiplicity performance, and retains 95.1% of energy density after 10,000 cycles. This work not only demonstrates the great superiority of nanochannel-coupled vertically porous hybrid aerogels, but also provides an effective strategy for designing asymmetric supercapacitor electrodes with matched structural and electrochemical properties.https://www.frontiersin.org/articles/10.3389/fchem.2025.1550285/fullasymmetric supercapacitorshybrid aerogelsMXenegrapheneoptimized ion pathway |
| spellingShingle | Panji Xu Kunhua Quan Xiyuan Wei Yubing Li Shuaikai Xu Vertical porous 1D/2D hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitors Frontiers in Chemistry asymmetric supercapacitors hybrid aerogels MXene graphene optimized ion pathway |
| title | Vertical porous 1D/2D hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitors |
| title_full | Vertical porous 1D/2D hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitors |
| title_fullStr | Vertical porous 1D/2D hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitors |
| title_full_unstemmed | Vertical porous 1D/2D hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitors |
| title_short | Vertical porous 1D/2D hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitors |
| title_sort | vertical porous 1d 2d hybrid aerogels with highly matched charge storage performance for aqueous asymmetric supercapacitors |
| topic | asymmetric supercapacitors hybrid aerogels MXene graphene optimized ion pathway |
| url | https://www.frontiersin.org/articles/10.3389/fchem.2025.1550285/full |
| work_keys_str_mv | AT panjixu verticalporous1d2dhybridaerogelswithhighlymatchedchargestorageperformanceforaqueousasymmetricsupercapacitors AT kunhuaquan verticalporous1d2dhybridaerogelswithhighlymatchedchargestorageperformanceforaqueousasymmetricsupercapacitors AT xiyuanwei verticalporous1d2dhybridaerogelswithhighlymatchedchargestorageperformanceforaqueousasymmetricsupercapacitors AT yubingli verticalporous1d2dhybridaerogelswithhighlymatchedchargestorageperformanceforaqueousasymmetricsupercapacitors AT shuaikaixu verticalporous1d2dhybridaerogelswithhighlymatchedchargestorageperformanceforaqueousasymmetricsupercapacitors |