초록 ▼

A bipolar plate is designed to provide a gas seal 16 around an electrode and gas seals 17a around fuel gas manifolds on the same plane and to separate the gas seal 16 and gas seals 17a around oxidant gas manifolds 4, 6 with hollowed parts on an anode electrode 25 side, and to provide the gas seal 16

A bipolar plate is designed to provide a gas seal 16 around an electrode and gas seals 17a around fuel gas manifolds on the same plane and to separate the gas seal 16 and gas seals 17a around oxidant gas manifolds 4, 6 with hollowed parts on an anode electrode 25 side, and to provide the gas seal 16 and the gas seals 17b on a same plane and to separate the gas seal 16 and the gas seals 17a with hollowed parts on a cathode electrode 20 side.

대표청구항 ▼

In a molten carbonate fuel cell of an internal manifold type comprising: a stack composed by laminating plural cells through a bipolar plate, each of said cells putting an electrolyte matrix between an anode electrode disposed on an anode electrode side of the bipolar plate and a cathode electrode d

In a molten carbonate fuel cell of an internal manifold type comprising: a stack composed by laminating plural cells through a bipolar plate, each of said cells putting an electrolyte matrix between an anode electrode disposed on an anode electrode side of the bipolar plate and a cathode electrode disposed on a cathode electrode side of the bipolar plate and generating by flowing fuel gas and oxidant gas through a fuel gas channel opposed to said anode electrode and an oxidant gas channel opposed to said cathode electrode respectively; a fuel gas supplying or exhausting manifold and an oxidant gas supplying or exhausting manifold for supplying or exhausting fuel gas or oxidant gas to said fuel gas channel or said oxidant gas channel respectively, said fuel gas supplying or exhausting manifold and said oxidant gas supplying or exhausting manifold being composed of a hole opened to an adjoining cell in said stack respectively; and gas seals supplied around said electrodes and said manifolds between each layer; the improvement wherein said bipolar plate is designed to provide said gas seal around said anode electrode and said gas seal around said fuel gas manifold on the same plane and to separate said gas seal around said cathode electrode and said gas seal around said oxidant gas manifold with a hollowed part on said anode electrode side, and to provide said gas seal around said cathode electrode and said gas seal around said oxidant gas manifold on the same plane and to separate said gas seal around said anode and said gas seal around said fuel gas manifold with a hollowed part on said cathode electrode side.