Abstract: A battery pre-heating apparatus for a hybrid vehicle according to an embodiment of the present invention comprises: a battery composed of a plurality of battery cells; a power relay assembly comprising, for the charge and discharge control of the battery, a first main relay connected to a positive electrode of the battery and a second main relay connected to a negative electrode of the battery; and a pre-heater including at least one sheet heater formed of a heating paste composition, wire-connected between an output terminal of the first main relay and an output terminal of the second main relay, and pre-heating the battery to a predetermined temperature using generation power by regenerative braking, wherein the heating paste composition contains, on the basis of 100 parts by weight of the heating paste composition, 3-6 parts by weight of carbon nanotube particles, 0.5-30 parts by weight of carbon nanoparticles, 10-30 parts by weight of a mixed binder, 29-83 parts by weight of an organic solvent, and 0.
Type:
Grant
Filed:
March 30, 2016
Date of Patent:
July 7, 2020
Assignee:
DAE WHA ALLOYTECH Co., Ltd.
Inventors:
Yoon Jin Kim, Jin Woo Cho, Kwon Woo Shin, Ji Sun Park
Abstract: A heating device for an electric vehicle, according to an embodiment of the present invention, comprises: a water pump which is for circulating supplied water; a heating resistor which has one or more surface type heating elements formed by means of a heating paste composition and is for heating the circulated water; a water temperature sensor which is for measuring the temperature of the hot water heated by means of the heating resistor; and a control unit which is for adjusting the heating resistor such that the measured temperature measured by means of the water temperature sensor satisfies a set temperature value, wherein the heating paste composition comprises, on the basis of 100 parts by weight of the total heating paste composition, 3˜6 wt % of carbon nanotube particles, 0.5˜30 wt % of carbon nanoparticles, 10˜30 wt % of a mixed binder, 29˜83 wt % of an organic solvent, and 0.
Type:
Application
Filed:
March 30, 2016
Publication date:
October 31, 2019
Applicant:
Dae Wha Alloytech Co., Ltd
Inventors:
Yoon Jin Kim, Jin Woo Cho, Kwon Woo Shin, Ji Sun Park
Abstract: A battery pre-heating apparatus for a hybrid vehicle according to an embodiment of the present invention comprises: a battery composed of a plurality of battery cells; a power relay assembly comprising, for the charge and discharge control of the battery, a first main relay connected to a positive electrode of the battery and a second main relay connected to a negative electrode of the battery; and a pre-heater including at least one sheet heater formed of a heating paste composition, wire-connected between an output terminal of the first main relay and an output terminal of the second main relay, and pre-heating the battery to a predetermined temperature using generation power by regenerative braking, wherein the heating paste composition contains, on the basis of 100 parts by weight of the heating paste composition, 3-6 parts by weight of carbon nanotube particles, 0.5-30 parts by weight of carbon nanoparticles, 10-30 parts by weight of a mixed binder, 29-83 parts by weight of an organic solvent, and 0.
Type:
Application
Filed:
March 30, 2016
Publication date:
January 17, 2019
Applicant:
Dae Wha Alloytech Co., Ltd.
Inventors:
Yoon Jin Kim, Jin Woo Cho, Kwon Woo Shin, Ji Sun Park