Bimetallic Nitride TiVN Hollow Nanotubes for High-Performance Zinc-Ion Hybrid Supercapacitors
Source abstract
Abstract
Zinc-ion hybrid supercapacitors (ZIHCs) hold great promise in the realm of renewable energy storage. However, their development is severely hampered by the unsatisfactory practical capacity and poor stability. Herein, we report an effective strategy to improve the electrochemical performance by constructing hollow bimetallic nitride TiVN (H-TiVN) using a sacrificial template method. The optimized H-TiVN//Zn shows a high capacitance of 183.7 F g –1 at 0.2 A g –1 along with excellent stability (an 84.7% capacitance retention after 20,000 cycles at 5 A g –1 ). More importantly, the energy density can reach 57.42 Wh kg –1, accompanied by a power density of 249.35 W kg –1 . Our work not only establishes H-TiVN as a high-performance electrode material for ZIHCs but also provides a general strategy for improving the electrochemical performance of nanomaterial electrodes.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Advanced battery technologies research · Advancements in Battery Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
Institut für Quanten Materialien and Technologien (IQMT), Karlsruhe Institut für Technologie (KIT), Kaiserstr. 12, 76131 Karlsruhe, Germany
Materials Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
Funding
National Natural Science Foundation of China · Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province, Xiamen University
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