Electrically Conductive Oxidation-Resistant Boron-Coated Carbon Nanotubes Derived from Atmospheric CO₂ for Use at High Temperature

Gi Mihn Kim; Won Yeong Choi; Jae Hyun Park; Seung Jin Jeong; Jong-Eun Hong; WooChul Jung; Jae W. Lee

doi:10.1021/acsanm.0c01909

journal article·2020-09-25

Electrically Conductive Oxidation-Resistant Boron-Coated Carbon Nanotubes Derived from Atmospheric CO₂ for Use at High Temperature

Gi Mihn Kim, Won Yeong Choi, Jae Hyun Park, Seung Jin Jeong, Jong-Eun Hong, WooChul Jung, Jae W. Lee

ACS Applied Nano Materials· Volume 3· Issue 9

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Source abstract

Abstract

This study introduces high-temperature antioxidative carbon nanotubes (CNTs) derived from carbon dioxide (CO2). The individual CNT is coated by an amorphous boron layer that acts as a protection layer for carbon networks. It has a remarkable stability on thermal oxidation and provides a remarkable electrical conductivity of 4 S cm–1 at 1000 °C, while conventional carbon-based materials, including commercial CNTs, cannot maintain electrical properties because of oxidation below 400 °C. Thus, the novel atmospheric CO2-based chemical vapor decomposition route can contribute to the applications of carbon-based material in high-temperature oxidation conditions such as a solid oxide fuel cell.

Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Supercapacitor Materials and Fabrication · Fuel Cells and Related Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-Ro, Yuseong-Gu, Daejeon 34141, Republic of Korea

Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-Ro, Yuseong-Gu, Daejeon 34141, Republic of Korea

Fuel Cell Laboratory, Korea Institute of Energy Research, 152 Gajeong-Ro, Yuseong-Gu, Daejeon 34129, Republic of Korea

Funding

National Research Foundation of Korea

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