FUEL CELL SYSTEM INCLUDING WOBBE INDEX DETECTOR AND METHOD OF OPERATING SAME

    公开(公告)号:US20190356001A1

    公开(公告)日:2019-11-21

    申请号:US16394286

    申请日:2019-04-25

    发明人: Venkat RAMANI

    摘要: A solid oxide fuel cell (SOFC) system and method, the system including a power module configured to receive a fuel from a fuel conduit of the system, the power module including a fuel cell stack, a module conduit fluidly connecting the fuel conduit and the stack, and a fuel control valve (FCV) configured to control a flow rate of the fuel in the module conduit. The system also includes a first detector configured to detect a first Wobbe Index (WI) of the fuel in the fuel conduit, and a controller configured to control the FCV to change the fuel flow rate based on whether the detected first WI indicates a change in the composition of the fuel.

    Battery of high-temperature operating fuel cells
    10.
    发明授权
    Battery of high-temperature operating fuel cells 失效
    高温操作燃料电池的电池

    公开(公告)号:US3492165A

    公开(公告)日:1970-01-27

    申请号:US3492165D

    申请日:1967-10-02

    申请人: GAZ DE FRANCE

    摘要: 1,196,926. Fuel batteries. GAZ DE FRANCE. 29 Sept., 1967 [3 Oct., 1966], No. 44577/67. Heading H1B. In a battery of fuel cells each cell is a flat disc (1) comprising a porous matrix containing fuseable electrolyte (4) and separating a porous anode (5) and cathode (6) and is held by its edge(s) in a hole in a plate (3) having a thickness equal to that of the disc, each plate retaining several discs. In examples matrix (4) is of MgO or LiAlO 2 , the electrolyte is an eutectic mixture of Na 2 CO 3 and Li 2 CO 3 , the anode is sintered nickel and the cathode sintered silver or a sintered mixture of silver and copper oxide. The plate (3) may be made from a refractory material or made from metal, e.g. stainless steel and coated with refractory material, e.g. zirconia, except at the edges (7). All the cells in each plate may be joined in parallel by conductive films (9) and (10) of nickel and silver respectively and these coatings joined by wires (29) and (30) to connector bars (31) (32). The plates are stacked to form a battery, each pair being separated by a frame 11 of steel or ceramic material providing a reactant reservoir between the plates. Fuel and oxidant reservoirs alternate up the stack of plates. Borings in the frames and plates provide bolt holes (22, 23) for assembly of the battery and conduits for the supply and removal of fuel and oxidant (14, 15, 24, 25). Each conduit communicates with appropriate reservoirs by slits (18, 20) in the frames (11). The plates of the battery may be joined in any desired arrangement. For example in an 8 plate battery 4 paralleljoined pairs of plates may be joined in series, 2 parallel-joined quartets of plates may be joined in series or all 8 plates may be joined in parallel. The illustrated embodiment may be modified by making the discs, plates and frames triangular, square or hexagonal. The battery may operate at 500-900‹ C.