公开(公告)号：US20240072287A1

公开(公告)日：2024-02-29

申请号：US18229805

申请日：2023-08-03

Applicant: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY

Inventor： Abdelkader HILMI ,  Chao-Yi YUH ,  Timothy C. GEARY ,  Aaron SATTLER ,  William C. HORN ,  William A. LAMBERTI ,  Gabor KISS

IPC: H01M8/14 ,  H01M8/0247 ,  H01M8/244

CPC classification number: H01M8/142 ,  H01M8/0247 ,  H01M8/244 ,  H01M2008/147

Abstract: Molten carbonate fuel cell structures are provided that include a structural mesh support layer at the interface between the surface of the cathode and the cathode current collector. The structural mesh layer can have a mesh open area of 25% to 45%. In addition to providing structural support, the structural mesh layer can reduce or minimize ohmic resistance at the interface between the cathode and the cathode current collector.

公开(公告)号：US20230246215A1

公开(公告)日：2023-08-03

申请号：US18100536

申请日：2023-01-23

Applicant: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY ,  FUELCELL ENERGY, INC

Inventor： Jonathan S. ROSEN ,  Gabor KISS ,  Timothy A. BARCKHOLTZ ,  Lu HAN ,  William A. LAMBERTI ,  William C. HORN ,  Abdelkader HILMI ,  Timothy C. GEARY ,  Carl A. WILLMAN ,  Adam W. FRANCO

IPC: H01M8/14 ,  H01M8/0232

CPC classification number: H01M8/145 ,  H01M8/0232 ,  H01M2008/147

Abstract: Systems and methods are provided for improving the operation of molten carbonate fuel cells that include cathode current collector structures that have reduced contact area with the cathode in order to create increased cathode open surface area. Molten carbonate fuel cells that have cathode collectors with reduced contact area with the cathode can have an increased tendency to suffer structural difficulties during operation, such as formation of gaps between electrolyte and one or both electrodes. Use of a sintered anode in such a fuel cell can reduce or minimize the impact of such structural difficulties. The sintered anode can provide higher pore volume and/or a more stable pore structure and/or increased structural stability in a fuel cell that includes a cathode collector that has a reduced contact area with the cathode. This can maintain a more stable interface between the cathode and electrolyte and/or between the anode and the electrolyte.