The demand for PTC material for overcurrent protection application in automobile motors has been remarkably increasing. To meet the safety and reliability requirements in automobile system and communication equipment,...The demand for PTC material for overcurrent protection application in automobile motors has been remarkably increasing. To meet the safety and reliability requirements in automobile system and communication equipment, it is necessary to prepare PTC material with low resistivity and high performance. In this paper, the preparation and the properties of PTC material with a resistivity of approximately 12Ω. cm, especially its overcurrent protection are described.展开更多
基金Supported by a major project of the 8th Five-Year Plan of China.
文摘The demand for PTC material for overcurrent protection application in automobile motors has been remarkably increasing. To meet the safety and reliability requirements in automobile system and communication equipment, it is necessary to prepare PTC material with low resistivity and high performance. In this paper, the preparation and the properties of PTC material with a resistivity of approximately 12Ω. cm, especially its overcurrent protection are described.