公开(公告)号：US20210159523A1

公开(公告)日：2021-05-27

申请号：US16695362

申请日：2019-11-26

Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY ,  FUELCELL ENERGY, INC.

Inventor： Keith E. Davis ,  Lawrence J. Novacco ,  Lu Han ,  Brandon J. O'Neill ,  Frank Hershkowitz ,  Rodrigo F. Blanco Gutierrez ,  Yesim Igci

IPC: H01M8/04276

Abstract: A fuel cell is provided including an anode configured to receive, and allow to pass through, an anode process gas, a cathode configured to receive, and allow to pass through, a cathode process gas, and an electrolyte matrix layer separating the anode and the cathode. One of the anode or the cathode has an extended edge seal chamber, and the fuel cell is configured to receive the anode process gas and the cathode process gas in substantially perpendicular directions relative to each other, and the extended edge seal chamber is configured to allow the anode process gas and the cathode process gas to pass through the anode and the cathode in substantially parallel flow paths.

公开(公告)号：US20200176783A1

公开(公告)日：2020-06-04

申请号：US16695276

申请日：2019-11-26

Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY ,  FUELCELL ENERGY, INC.

Inventor： Jonathan Rosen ,  Timothy A. Barckholtz ,  Heather A. Elsen ,  Gabor Kiss ,  Lu Han ,  Thomas M. Smith ,  Sandipan K. Das ,  Chao-Yi Yuh ,  Carl A. Willman ,  Timothy C. Geary ,  Keith E. Davis ,  Abdelkader Hilmi ,  Lawrence J. Novacco

IPC: H01M4/86 ,  H01M8/14

Abstract: Cathode collector structures and/or corresponding cathode structures are provided that can allow for improved operation for a molten carbonate fuel cell when operated under conditions for elevated CO2 utilization. A cathode collector structure that provides an increased open area at the cathode surface can reduce or minimize the amount of alternative ion transport that occurs within the fuel cell. Additionally or alternately, grooves in the cathode surface can be used to increase the open area.

公开(公告)号：US20220255095A1

公开(公告)日：2022-08-11

申请号：US17173786

申请日：2021-02-11

Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY ,  FUELCELL ENERGY, INC.

Inventor： Christopher Howard ,  Brandon J. O'Neill ,  Paul J. Rubas ,  Frank Hershkowitz ,  Lu Han ,  Lawrence J. Novacco ,  Frank J. Dobek ,  Keith David ,  Brian Bullecks

IPC: H01M8/04082 ,  H01M8/244 ,  H01M8/2485 ,  H01M8/04089

Abstract: Molten carbonate fuel cell configurations are provided that allow for introduction of an anode input gas flow on a side of the fuel cell that is adjacent to the entry side for the cathode input gas flow while allowing the anode and cathode to operate under co-current flow and/or counter-current flow conditions. It has been discovered that improved flow properties can be achieved within the anode or cathode during co-current flow or counter-current flow operation by diverting the input flow for the anode or cathode into an extended edge seal region (in an extended edge seal chamber) adjacent to the active area of the anode or cathode, and then using a baffle to provide sufficient pressure drop for even flow distribution of the anode input flow across the anode or cathode input flow across the cathode. A second baffle can be used to create a pressure drop as the anode output flow or cathode output flow exits from the active area into a second extended edge seal region (in a second extended edge seal chamber) prior to leaving the fuel cell.