Three-Dimensional Carbon Nanotube/Transition-Metal Oxide Sponges as Composite Electrodes with Enhanced Electrochemical Performance
Source abstract
Abstract
Innovative three-dimensional (3D) carbon nanotube (CNT)/transition-metal oxide (TMO) sponge electrodes are synthesized by freeze-drying and calcination processes. The high specific surface area and porosity of the CNT sponge provide more attachment sites for the TMO nanoparticles, a larger contact area with electrolytes, and more space for volume expansion, which enable the CNT/TMO sponge electrodes to exhibit ultrahigh reversible capacity and excellent cycling stability. The continuous CNT network in this new type of electrode can fully satisfy fast electron-transfer kinetics; thus, excellent rate performance is realized. Furthermore, the unique structural characteristics of the 3D CNT sponge make it suitable for making almost all kinds of CNT/TMO composite electrodes, reflecting its versatility for use in many battery systems.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Supercapacitor Materials and Fabrication · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physics and Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
Collaborative Innovation Center of Quantum Matter, Beijing 100084, China
Funding
Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China
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