performance characteristics of ptc elements for an electric vehicle heating system

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ID: 209734
2016
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Abstract
A high-voltage positive temperature coefficient (PTC) heater has a simple structure and a swift response. Therefore, for cabin heating in electric vehicles (EVs), such heaters are used either on their own or with a heat pump system. In this study, the sintering process in the manufacturing of PTC elements for an EV heating system was improved to enhance surface uniformity. The electrode production process entailing thin-film sputtering deposition was applied to ensure the high heating performance of PTC elements and reduce the electrode thickness. The allowable voltage and surface heat temperature of the high-voltage PTC elements with thin-film electrodes were 800 V and 172 °C, respectively. The electrode layer thickness was uniform at approximately 3.8 μm or less, approximately 69% less electrode materials were required compared to that before process improvement. Furthermore, a heater for the EV heating system was manufactured using the developed high-voltage PTC elements to verify performance and reliability.
Reference Key
shin2016energiesperformance Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Yoon Hyuk Shin;Seung Ku Ahn;Sung Chul Kim
Journal acs combinatorial science
Year 2016
DOI
10.3390/en9100813
URL
http://www.mdpi.com/1996-1073/9/10/813
Keywords
electric vehicle sputtering positive temperature coefficient (ptc) element

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