#H01M8/04641

FUEL CELL PERFORMANCE ESTIMATION DEVICE

A fuel cell performance estimation device includes (A) a first means configured to sequentially acquire a voltage V[i] and current I[i] of a polymer electrolyte fuel cell at a time[i] and store them i…

DRIVE·Jun 18·2 min read

H01M8/04641 KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO

FUEL CELL SYSTEM

To provide a fuel cell system configured to appropriately measure the AC impedance of a fuel cell. A fuel cell system wherein a controller controls ON and OFF of switches of n phases; wherein the cont…

DRIVE·Dec 15·1 min read

H01M8/04641 TOYOTA JIDOSHA KABUSHIKI KAISHA

DEVICE AND METHOD FOR ONLINE IMPEDANCE SPECTRUM MEASUREMENT OF VEHICLE-MOUNTED HYDROGEN FUEL CELL

An online impedance spectrum measuring device and method for a vehicle-mounted hydrogen fuel cell includes: a controllable alternating current source, configured to apply a sinusoidal alternating sign…

DRIVE·May 12·1 min read

H01M8/04641 Tongji University

Methods and systems for estimating parameters of a cell at various charge-discharge profiles

A method for estimating a plurality of parameters pertaining to an electrochemical model of a cell may include: obtaining, by a device, an Electrochemical Impedance Spectroscopy (EIS) spectrum and a C…

DRIVE·Nov 18·1 min read

H01M8/04641 SAMSUNG ELECTRONICS CO., LTD.

POWER SUPPLY DEVICE HAVING A FUEL CELL DEVICE AND A BATTERY, FUEL CELL VEHICLE, AND METHOD FOR STARTING A POWER SUPPLY DEVICE

A power supply device for the electrical power supply of at least one consumer has a primary power grid, in which a fuel cell device is present, having a secondary power grid, in which a battery is pr…

DRIVE·Aug 19·2 min read

H01M8/04641 AUDI AG

APPARATUS AND METHOD FOR DIAGNOSING FUEL CELL

An apparatus and method for diagnosing a fuel cell diagnoses a state of a fuel cell by estimating a fuel-cell equivalent circuit. The apparatus for diagnosing a fuel cell includes: an impedance measur…

DRIVE·May 26·1 min read

H01M8/04641 HYUNDAI MOTOR COMPANY