Multiwall carbon nanotube sensor for monitoring engine oil degradation

Seung I. Moon, Kyeong K. Paek, Yun-Hi Lee, Jai Kyeong Kim, Soo-Won Kim, Byeong Kwon Ju

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

An engine oil condition sensor based on multiwall carbon nanotubes was fabricated with the screen printing method. Carbon nanotube (CNT) paste was printed between two parallel-aligned electrodes. The conductivity change in the engine oil according to mileage was measured by using CNT oil sensor. The sensor output was compared with total acid number (TAN) to determine the remaining useful life of the engine oil. It was found that the sensor output was closely similar to TAN of the engine oil. As a result, a real-time engine oil condition monitoring sensor can be realized using CNTs as sensitive materials.

Original languageEnglish
Article number025608ESL
JournalElectrochemical and Solid-State Letters
Volume9
Issue number8
DOIs
Publication statusPublished - 2006 Aug 1

Fingerprint

Carbon Nanotubes
Diesel engines
engines
Carbon nanotubes
oils
carbon nanotubes
degradation
Degradation
Monitoring
sensors
Sensors
Acids
Screen printing
Condition monitoring
Ointments
acids
output
Oils
printing
Electrodes

ASJC Scopus subject areas

  • Electrochemistry
  • Materials Science(all)

Cite this

Multiwall carbon nanotube sensor for monitoring engine oil degradation. / Moon, Seung I.; Paek, Kyeong K.; Lee, Yun-Hi; Kim, Jai Kyeong; Kim, Soo-Won; Ju, Byeong Kwon.

In: Electrochemical and Solid-State Letters, Vol. 9, No. 8, 025608ESL, 01.08.2006.

Research output: Contribution to journalArticle

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