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Updated: Jan 31, 2026

Synthesis and Functionalization of Nitrogen-doped Carbon Nanotube Cups with Gold Nanoparticles as Cork Stoppers
Published on: May 13, 2013
Nitrogen-Doped Carbon as a Host for Tellurium for High-Rate Li-Te and Na-Te Batteries
Yi Li1,2, Youquan Zhang1,2, Qiuju Xu1,2
1Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, P.R. China.
Abstract:
A nitrogen-doped hierarchical porous carbon sponge, used as a matrix for tellurium accommodation, was designed and prepared in this work. The porosity of the matrix played an important role in enhancing the electrochemical performance of Li/Na-Te batteries. Specifically, the mesopores could accommodate active materials whereas the macropores provided sufficient space for partial Te accommodation and volume expansion in discharge. In addition, N heteroatoms in carbon species could enhance the electrical conductivity and widen its application in lithium/sodium storage. The monolithic and flaky architecture of the nitrogen-doped hierarchical porous carbon sponge/tellurium composite offered a highly conductive network for fast electron transportation. As a result, the nitrogen-doped hierarchical porous carbon sponge/tellurium composite achieved a superior rate performance for Li-Te and Na-Te batteries.
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