摘要:
The present invention comprises a plurality of fuel cells connected to each other in series, and a reformer configured to reform raw fuel, wherein reformed fuel by the reformer is supplied to a first stage of the plurality of fuel cells, and the fuel cell on the first stage is provided with a methane reaction suppressing function which suppresses reaction of methane included in the reformed fuel to a larger extent than at least one fuel cell on a second and later stages. Suppressing temperature drop due to endothermic reaction in the fuel cell on the first stage can improve the efficiency of electric power generation of the fuel cell system having the plurality of fuel cells arranged in series.
摘要:
A positive electrode for a metal-air battery, the positive electrode including: a first layer disposed on a surface of an electrolyte membrane or a separator and including a first carbon material, a first electrolyte, and a first binder having an affinity with the first electrolyte; and a second layer disposed on the first layer and including a second carbon material, a second electrolyte, and a second binder having an affinity with the second electrolyte, wherein the first carbon material is different from the second carbon material, the first carbon material has a Brunauer Emmett Teller specific surface area which is greater than a Brunauer Emmett Teller specific surface area of the second carbon material, and wherein an amount of the first binder may be about 1.5 times to about 3 times greater than an amount of the second binder.
摘要:
L'invention se rapporte à une cathode (1) de pile métal/air comprenant au moins une couche active (2) réalisée dans un matériau actif et présentant un côté air (A) et un côté métal (M), un collecteur de courant (3), et une membrane hydrophobe (4) réalisée dans un matériau hydrophobe et déposée sur le côté air (A) de la couche active (2). Ledit matériau hydrophobe présente une structure poreuse et a pénétré dans le côté air (A) de la couche active (2) de manière à former, entre la membrane hydrophobe (4) et la couche active (2), une zone d'interpénétration (Z) du matériau hydrophobe dans le matériau actif dans laquelle existe un gradient de concentration en matériau hydrophobe diminuant dans le sens entrant de l'air dans la cathode.
摘要:
The invention relates to a fuel cell (1) comprising: a proton-exchange membrane (120); and an anode (122) and a cathode (124), the cathode (124) defining a flow channel between a dioxygen inflow area (162) and a water outflow area (164). The cathode (124) comprises a support for the catalyst material including a first material (Z6) containing graphite and a second material (Z5), said second material having a resistance to corrosion by oxygen that is higher than the resistance of the material containing graphite, the quantity of said second material at the inflow area being higher than the quantity of said second material at the outlet. The cathode comprises a first layer (Z6) including the first material and a second layer including the second material, the thickness of the second layer (Z5) decreasing between the inflow area (162) and the outflow area (164).
摘要:
A delivery device for and method of providing for delivery of substance to the central nervous system (CNS) of a subject, the delivery device comprising: a nosepiece unit (17) for insertion into a nasal airway (1) of a subject and comprising an outlet unit (21) which includes a nozzle (25) for delivering substance into the nasal airway of the subject; and a substance supply unit which is operable to deliver a dose of substance to the nozzle: wherein the delivery device is configured such that at least 30% of the dose as initially deposited in the nasal airway is deposited in an upper posterior region of the nasal airway, thereby providing a CNS concentration of the substance, and hence CNS effect, which is significantly greater than that which would be predicted from a counterpart blood plasma concentration of the substance.