公开(公告)号：US10328820B2

公开(公告)日：2019-06-25

申请号：US15609893

申请日：2017-05-31

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jun Cai ,  Joseph Castelluccio ,  Sergio E. Garcia ,  Andrew J. Maslyn

IPC: H01M8/04 ,  B60L15/00 ,  H01M8/04858 ,  H01M8/04302 ,  H01M16/00 ,  H01M8/04746 ,  B60L15/04 ,  H02P27/06 ,  B60L50/51 ,  B60L50/64 ,  B60L50/72 ,  H01M8/1018 ,  H02M3/156

Abstract: A fuel cell system for a vehicle or other system includes a fuel cell stack, a DC-DC boost converter, and a controller. The stack has a plurality of fuel cells and a stack voltage. The controller regulates the stack voltage during start-up of the fuel cell stack via the boost converter, and is programmed with a plurality of calibrated voltage profiles each having a corresponding magnitude and rate of change. The controller is configured to execute a method which includes detecting an air start of the fuel cell stack in response to a requested start-up of the fuel cell stack. The controller then enforces the stack voltage to the predetermined voltage profiles during an actual start-up of the fuel cell stack, doing so via regulation of the boost converter and using the plurality of calibrated voltage profiles.

公开(公告)号：US20180345819A1

公开(公告)日：2018-12-06

申请号：US15609893

申请日：2017-05-31

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jun Cai ,  Joseph Castelluccio ,  Sergio E. Garcia ,  Andrew J. Maslyn

IPC: B60L15/00 ,  H01M8/04858 ,  H01M8/04302 ,  H01M16/00 ,  H01M8/04746 ,  B60L11/18 ,  B60L15/04 ,  H02M3/155 ,  H02P27/06

CPC classification number: B60L15/007 ,  B60L15/04 ,  B60L50/51 ,  B60L50/64 ,  B60L50/72 ,  B60L2210/14 ,  B60L2210/42 ,  B60L2240/527 ,  H01M8/04302 ,  H01M8/04753 ,  H01M8/0488 ,  H01M16/006 ,  H01M2008/1095 ,  H01M2250/20 ,  H02M3/156

Abstract: A fuel cell system for a vehicle or other system includes a fuel cell stack, a DC-DC boost converter, and a controller. The stack has a plurality of fuel cells and a stack voltage. The controller regulates the stack voltage during start-up of the fuel cell stack via the boost converter, and is programmed with a plurality of calibrated voltage profiles each having a corresponding magnitude and rate of change. The controller is configured to execute a method which includes detecting an air start of the fuel cell stack in response to a requested start-up of the fuel cell stack. The controller then enforces the stack voltage to the predetermined voltage profiles during an actual start-up of the fuel cell stack, doing so via regulation of the boost converter and using the plurality of calibrated voltage profiles.