Hyundai Motor Company

Kia Motors Corporation

Hanon Systems

Sun Heum Baek

Dae Jong Kim

Sung Wook Na

Su Dong Han

Hyung Kook Kim

Hyun Jae Lee

Jae Won Jung

Sang Uk Kwon

Ju Han Kim

Young Bum Kum

Jae Jun Ko

Nam Woo Lee

Hun Woo Park

Kil Sang Jang

Sun Soon Park

Hunwoo Park

A method for controlling a fuel cell system is provided. The method includes upon start of a fuel cell stack, obtaining a flow rate of air supplied into a cathode after an air regulator for regulating the air supplied into the cathode is opened. A sealing state of the fuel cell stack is then determined based on the obtained flow rate of the air.

Fuel cell system and method for controlling the same

A coolant bypass structure includes a main loop forming a channel in which coolant circulates; a bypass loop connected to the main loop and forming a selective bypass channel; and a stack bypass valve provided between the main loop and the bypass loop to open and close the bypass loop according to a predetermined temperature, and provided with an outlet temperature sensor. The coolant bypass structure may improve marketability by decreasing the starting time of the fuel cell vehicle in a frozen state and improve power efficiency.

Coolant bypass structure

An end cell heater assembly includes: a case which has a first surface joined to an end plate of a fuel cell stack; a planar heating element installed in an accommodating groove formed in a second surface of the case; a terminal plate which is stacked and interposed between the planar heating element and an end cell of the fuel cell stack, joined and electrically connected to the end cell, and transferring heat generated by the planar heating element to the end cell; and a terminal which is integrally formed with the terminal plate so as to output electrical energy generated by the fuel cell stack and transferred through the terminal plate, to the outside.

End cell heater assembly and fuel cell stack having the same

A thermal management system of a fuel cell vehicle includes a cold start loop which heats a coolant that flows through a fuel cell during a cold start of the fuel cell, and a cooling loop which moves a coolant that cools the fuel cell.

Thermal management system of fuel cell vehicle

Disclosed is a method for detecting ice blocking of a fuel cell stack. In particular, the method includes periodically calculating a minimum cell voltage of a fuel cell stack from cell voltages measured by a cell voltage monitoring system while reactant gases are supplied to the fuel cell stack and then calculating a change in the minimum cell voltage using a currently calculated minimum cell voltage and a previous minimum cell voltage. It is then determined whether the change in the minimum cell voltage is above a predetermined reference value. When the change in the minimum cell voltage is above the reference value, it is determined that the ice blocking has occurred or is occurring in an anode of the fuel cell stack.

Method for detecting ice blocking of fuel cell stack and controlling fuel cell vehicle using the same

Growing community of inventors

Hwaseong-si, South Korea

Sun Heum Baek