H01M8/04067

Electrochemical Installation Operating at High Temperature and Associated Process
20230032073 · 2023-02-02 ·

An electrochemical installation operating at high temperature includes a plurality of stacks for carrying out electrochemical reactions, a heating furnace comprising a chamber intended for receiving the stacks, and a heater. The installation includes at least one rack including a self-supporting structure including a plurality of superimposed stages of stacks and/or including a plurality of self-supporting structures defining a plurality of superimposed stages of stacks. Each self-supporting structure comprises a fluid distributor configured to supply each stack with at least one fluid and/or to collect at least one fluid from each stack. The chamber is configured to contain at least one rack, the stack stages of the one rack or each rack contained in the chamber being intended for being commonly heated by the heater.

Method for controlling fuel cell

A method for controlling a fuel cell that includes an electrochemical reactor; a cooling circuit; a controller; a coolant circuit; a first temperature sensor; and a second temperature sensor. The cooling circuit includes a cooling pipe and is configured to cool the electrochemical reactor; the controller is configured to control operations of the electrochemical reactor and the cooling circuit; the cooling pipe includes a first water inlet and a first water outlet; and the coolant circuit is connected to the first water inlet and the first water outlet. The method includes comparing the first temperature of the coolant at the first water inlet to the second temperature at the first water outlet; and controlling operations of the heater and the electrochemical reactor based on the comparison result.

Thermal management system and method of positioning and adjusting coolant flow for stationary vehicle fuel cell applications

The present disclosure relates to a thermal management system and method of adjusting and/or reversing coolant flow of a fuel cell system during stationary applications.

Heat exchange apparatus for cooling water of fuel cell and fuel cell system including the same

A heat exchange apparatus for cooling water of a fuel cell includes a body, through which a cooling water pipe having cooling water flowing therethrough to be supplied to a fuel cell stack, passes; and a heat accumulator provided in an interior of the body and filled with a PCM heat accumulation material that exchanges heat with the cooling water. The body includes a medium space provided between the cooling water pipe and the heat accumulator such that the heat accumulator is spaced apart from the cooling water pipe. The PCM heat accumulation material exchanges heat with the cooling water by a medium of the medium space.

Fuel cell system
11637303 · 2023-04-25 · ·

A fuel cell system includes a first ion exchanger, a first fuel cell stack and a second fuel cell stack, a first temperature acquisition part and a second temperature acquisition part, a first power generation time acquisition part and a second power generation time acquisition part, a supply path, an ion concentration estimation part that estimates ion concentration of a refrigerant on the basis of the ion concentration estimated by the ion concentration estimation part, a determination part that determines an exchange timing of the first ion exchanger on the basis of the ion concentration estimated by the ion concentration estimation part, and a control part, and a first refrigerant flow path and a second refrigerant flow path are provided in series or in parallel.

FUEL CELL SYSTEM, AND METHOD OF ITS OPERATION

A fuel cell system having a fuel cell cooling circuit coupled to a battery cooling circuit through a coolant/coolant heat exchanger for removing heat from the fuel cell cooling circuit through the battery cooling circuit during normal steady state operation of the fuel cell system.

APPARATUS AND METHOD FOR MANAGING CONDENSATE OF FUEL CELL
20230120090 · 2023-04-20 · ·

Disclosed is an apparatus for managing condensate of a fuel cell. The apparatus includes a first heater for applying heat to coolant of a fuel cell stack, a second heater for applying heat to the condensate produced in the fuel cell stack, and a controller that controls an operation of the second heater using residual power based on whether at least some of functions of the first heater are activated.

WASTE HEAT RECLAMATION IN A POWER GENERATION SYSTEM AND METHOD OF OPERATING A POWER GENERATION SYSTEM

A system includes a power generator to generate power from an reaction involving a first fuel reactant and a second fuel reactant, a fuel reactant supply source to supply the first fuel reactant to the power generator via a fuel supply line having a fuel expansion region, a radiant fluid circuit for circulation of a radiant fluid configured to cool the power generator, and one or more thermoelectric generators in thermal contact with the fuel expansion region and the radiant fluid circuit downstream of the fuel cell to generate electric power via a Seebeck effect using at least a portion of the waste heat generated by the power generator.

FUEL CELL POWER GENERATION SYSTEM

A fuel cell power generation system capable of providing both electric vehicle charging power and normal power, includes a fuel cell system, a radiator configured to cool the fuel cell system, a main hydrogen storage unit provided at one side of the fuel cell system, the main hydrogen storage unit being configured to store hydrogen to be supplied to the fuel cell system, a power boosting unit provided to overlap fuel cell system in a vertical direction, the power boosting unit being configured to boost power generated by the fuel cell system, a power distribution unit configured to distribute the power boosted by the power boosting unit, and a partition unit configured to prevent heat discharged from the radiator from being transferred to the main hydrogen storage unit, the power boosting unit, and the power distribution unit.

Fuel cell system and method of controlling fuel cell system

A fuel cell system includes a plurality of fuel cell units each including a fuel cell, a fuel cell cooling system having a heat exchanger that exchanges heat between a primary-side coolant, and a secondary-side coolant flowing through the fuel cell, and a coolant pump that adjusts the flow rate of the secondary-side coolant, and a controller that controls the fuel cell, a cooling device, and a cooling system that supplies the primary-side coolant from the cooling device to each fuel cell unit. During stop of operation of the fuel cell system, the cooling device supplies the primary-side coolant having a temperature equal to or higher than a predetermined temperature to each fuel cell unit, and the controller activates the coolant pump to cause the secondary-side coolant to flow through the heat exchanger, in one or more fuel cell units in which the fuel cell has a possibility of freezing.