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Carbon nanotube/Co3O4 composite for air electrode of lithium-air battery

Taek Han Yoon and Yong Joon Park*

Author affiliations

Department of Advanced Materials Engineering, Kyonggi University, Suwon, Gyeonggi-do, 443-760, Republic of Korea

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Citation and License

Nanoscale Research Letters 2012, 7:28  doi:10.1186/1556-276X-7-28

Published: 5 January 2012


A carbon nanotube [CNT]/Co3O4 composite is introduced as a catalyst for the air electrode of lithium-air [Li/air] batteries. Co3O4 nanoparticles are successfully attached to the sidewall of the CNT by a hydrothermal method. A high discharge capacity and a low overvoltage indicate that the CNT/Co3O4 composite is a very promising catalyst for the air electrode of Li/air batteries.

composites; nanostructures; chemical synthesis; electrochemical properties