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Title: System and method for networking electrochemical devices

An improved electrochemically active system and method including a plurality of electrochemical devices, such as fuel cells and fluid separation devices, in which the anode and cathode process-fluid flow chambers are connected in fluid-flow arrangements so that the operating parameters of each of said plurality of electrochemical devices which are dependent upon process-fluid parameters may be individually controlled to provide improved operating efficiency. The improvements in operation include improved power efficiency and improved fuel utilization in fuel cell power generating systems and reduced power consumption in fluid separation devices and the like through interstage process fluid parameter control for series networked electrochemical devices. The improved networking method includes recycling of various process flows to enhance the overall control scheme.
Inventors:
 [1];  [1];  [2]
  1. (Morgantown, WV)
  2. (Pittsburgh, PA)
Issue Date:
OSTI Identifier:
869875
Assignee:
United States of America as represented by Department of Energy (Washington, DC) NETL
Patent Number(s):
US 5413878
Research Org:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
Country of Publication:
United States
Language:
English
Subject:
method; networking; electrochemical; devices; improved; electrochemically; active; including; plurality; fuel; cells; fluid; separation; anode; cathode; process-fluid; flow; chambers; connected; fluid-flow; arrangements; operating; parameters; dependent; individually; controlled; provide; efficiency; improvements; operation; power; utilization; cell; generating; systems; reduced; consumption; interstage; process; parameter; control; series; networked; recycling; various; flows; enhance; overall; scheme; method including; operating efficiency; fuel cell; improved electrochemical; improved operating; provide improved; electrochemical devices; power generating; cell power; power consumption; fuel cells; fluid flow; process fluid; electrochemical device; electrochemically active; flow chamber; improved fuel; operating parameters; separation devices; chemically active; separation device; flow chambers; fuel utilization; fluid separation; power efficiency; control scheme; improved power; generating systems; operating parameter; cathode process; provide improve; /429/