Wearable, Recoverable, and Implantable Energy Storage Devices With Heterostructure Porous COF‐5/Ti3C2Tx Cathode for High‐performance Aqueous Zn‐ion Hybrid Capacitor DOI Open Access

Panpan Xie,

Yu Zhang, Zengming Man

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 31, 2024

Abstract With the continuous advancement of internet things and information technology, implantable bioelectronics have attracted considerable attention for effective health monitoring improvement vital signs. Nevertheless, conventional power sources are typically plagued by short lifetimes, inflexible packaging modalities, toxic corrosion risks that damage soft tissues. In this study, a biocompatible quasi‐solid‐state aqueous Zn‐ion hybrid capacitor (AZIHCs) is developed with high energy density durability. The heterostructured porous COF‐5/Ti 3 C 2 T x cathode exhibited enhanced interface charge transfer accelerated Zn 2+ migration kinetics, delivering an outstanding areal capacitance 952 mF cm −2 160 mWh . Furthermore, AZIHCs demonstrated reversible capacity 524 cm⁻ , completely damaged device can still electronics after being reconnected using superior silk nanofiber‐containing zwitterionic hydrogel electrolyte. These implanted AZIHCs, good biocompatibility, showed substantial deformation stability 80.2% 2000 cycles when firmly adhered to tissues, illustrating impressively stable performance in tissue fluid or wetted surface efficient supply. This study provides novel approach high‐performance storage devices multifunctional wearable applications organism patches vivo detection.

Язык: Английский

Ferrocyanide “Skin”-Mediated Anticatalysis: Mitigating Self-Discharge in Aqueous Electrochemical Devices DOI
Jin Li, Shuo Sun, Hao Huang

и другие.

Journal of the American Chemical Society, Год журнала: 2025, Номер unknown

Опубликована: Фев. 12, 2025

The interest in aqueous energy storage devices is surging due to their exceptional safety profile. However, systems, interfacial side reactions, predominantly attributed the oxygen evolution reaction (OER), result significant self-discharge, which concomitant with deterioration of both voltage and capacity. Herein, we propose construction a ferrocyanide "skin" on transition metal compounds (TMCs) mitigate this issue. This engineered creates Fe–C≡N terminations, initiating new pathway featured by bonding process N–O N–H bonds. presents barrier, effectively shielding active sites for OER from H2O molecules hydroxyl ions. Taking NiO as an example, suppresses undesired phase NiOOH Ni(OH)2 during idling fully charged electrode, enabling as-modified electrode achieve remarkable retention 80.0% after 1 week within device. Furthermore, concept demonstrates extensive applicability, extending range TMC materials, including but not limited manganese oxide, vanadium nickel cobalt oxide. These findings highlight efficacy design strategy broadly applicable paradigm suppressing H2O-induced undesirable transitions devices.

Язык: Английский

Процитировано

1
Hierarchically Porous Wearable Composites for High‐Performance Stretchable Supercapacitors DOI Creative Commons

Jing Han,

Bingang Xu, Cuiqin Fang

и другие.

Advanced Science, Год журнала: 2025, Номер unknown

Опубликована: Апрель 25, 2025

Abstract With the rapid development of wearable electronic devices, demand for flexible, durable, and high‐performance energy storage systems has increased significantly. Nevertheless, maintaining stable electrochemical performance during stretching while ensuring high stretchability mechanical stability remains a challenge. Herein, this study proposes novel type stretchable supercapacitors made from carbon nanotube (CNT) styrene‐butadiene‐styrene (SBS) composite scaffolds prepared on pre‐stretched fabrics using breath figure method. Hydrothermal treatment is then performed to grow NiCo‐LDH at treated fabrics. This method induces formation hierarchically porous structure under humidity conditions, controls hydrothermal growth in CNT/SBS scaffold, significantly enhances stability. The supercapacitor demonstrates remarkable retention 94% capacitance 80% tensile strain sustains small 8% degradation over 20 000 charge–discharge cycles, achieving specific 4948 mF cm⁻ 2 mA . device an density 801.6 µWh (400.6 Wh kg⁻¹) exhibits excellent power 3.5 mW (1749.5 W kg⁻¹). These properties make potential next‐generation smart wearables electronics.

Язык: Английский

Процитировано

1
Boosting Zn‐Ion Storage Behavior of Pre‐Intercalated MXene with Black Phosphorus toward Self‐Powered Systems DOI Creative Commons
Cuiqin Fang, Jing Han,

Qingjun Yang

и другие.

Advanced Science, Год журнала: 2024, Номер 11(40)

Опубликована: Авг. 29, 2024

Abstract MXene‐based Zn‐ion capacitors (ZICs) with adsorption‐type and battery‐type electrodes demonstrate high energy storage anti‐self‐discharge capabilities, potentially being paired triboelectric nanogenerators (TENGs) to construct self‐powered systems. Nevertheless, inadequate interlayer spacing, deficient active sites, compact self‐restacking of MXene flakes pose hurdles for ZICs, limiting their applications. Herein, black phosphorus (BP)‐Zn‐MXene hybrid is formulated ZIC via a two‐step molecular engineering strategy pre‐intercalation BP nanosheet assembly. Zn ions as intercalators induce cross‐linking expandable spacing serve scaffolds nanosheets, thereby providing sufficient accessible sites efficient migration routes enhanced storage. The density functional theory calculations affirm that zinc adsorption diffusion kinetics are significantly improved in the hybrid. A wearable delivers competitive areal 426.3 µWh cm −2 ultra‐low self‐discharge rate 7.0 mV h −1 , achieving remarkable electrochemical matching TENGs terms low loss, matched capacity, fast resultant system efficiently collects stores from human motion power microelectronics. This work advances ZICs synergy TENG

Язык: Английский

Процитировано

6
Multiscale investigation of mechanical degradation in Ti3C2O2 assemblies and its Mitigation via black phosphorus integration DOI Creative Commons
Siliang Yue, Hui Qi, Chenliang Li

и другие.

Materials & Design, Год журнала: 2025, Номер unknown, С. 113920 - 113920

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

0
Advanced carbon materials for efficient zinc ion storage: Structures, mechanisms and prospects DOI

Mengke Peng,

C.‐B. XUE, Mengyao Yang

и другие.

Energy storage materials, Год журнала: 2024, Номер 74, С. 103945 - 103945

Опубликована: Дек. 7, 2024

Язык: Английский

Процитировано

2
Wearable, Recoverable, and Implantable Energy Storage Devices With Heterostructure Porous COF‐5/Ti3C2Tx Cathode for High‐performance Aqueous Zn‐ion Hybrid Capacitor DOI Open Access

Panpan Xie,

Yu Zhang, Zengming Man

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 31, 2024

Abstract With the continuous advancement of internet things and information technology, implantable bioelectronics have attracted considerable attention for effective health monitoring improvement vital signs. Nevertheless, conventional power sources are typically plagued by short lifetimes, inflexible packaging modalities, toxic corrosion risks that damage soft tissues. In this study, a biocompatible quasi‐solid‐state aqueous Zn‐ion hybrid capacitor (AZIHCs) is developed with high energy density durability. The heterostructured porous COF‐5/Ti 3 C 2 T x cathode exhibited enhanced interface charge transfer accelerated Zn 2+ migration kinetics, delivering an outstanding areal capacitance 952 mF cm −2 160 mWh . Furthermore, AZIHCs demonstrated reversible capacity 524 cm⁻ , completely damaged device can still electronics after being reconnected using superior silk nanofiber‐containing zwitterionic hydrogel electrolyte. These implanted AZIHCs, good biocompatibility, showed substantial deformation stability 80.2% 2000 cycles when firmly adhered to tissues, illustrating impressively stable performance in tissue fluid or wetted surface efficient supply. This study provides novel approach high‐performance storage devices multifunctional wearable applications organism patches vivo detection.

Язык: Английский

Процитировано

1