摘要:
Provided is a fuel cell comprising a membrane electrode assembly, a pair of separators that sandwich the membrane electrode assembly therebetween, and a gas inlet distribution part that connects a reactive gas supply manifold hole and a reactive gas flow channel, wherein the gas inlet distribution part comprises n (n is an integer of 2 or more) distribution ribs that divide the gas inlet distribution part into a plurality of spaces, and each have a long axis perpendicular to the long axis of the linear gas flow channel and have two or more slits parallel to the long axis of the linear gas flow channel, when among the ribs, a distribution rib closest to the reactive gas supply manifold hole is defined as a first distribution rib, a distribution rib closest to the reactive gas flow channel is defined as an n-th distribution rib, and among the spaces, a space on the reactive gas supply manifold hole side from the first distribution rib is defined as a diffusion space, the cross-sectional area of the diffusion space is larger than the cross-sectional area of the slit of the first distribution rib.
摘要:
A polymer electrolyte fuel cell includes a membrane electrode assembly including a polymer electrolyte membrane and a pair of catalyst electrodes sandwiching the polymer electrolyte membrane; a pair of separators sandwiching the membrane electrode assembly, the separators each including linear reaction gas channels defined by linear channel ribs, a reaction gas supply manifold hole, and a reaction gas discharge manifold hole; and an inlet gas distribution section for connecting the reaction gas supply manifold hole and the reaction gas channels, wherein the inlet gas distribution section includes n (where n is an integer of 2 or more) distribution ribs for partitioning the inlet gas distribution section into a plurality of spaces, the distribution ribs each having a longitudinal axis perpendicular to a longitudinal axis of the linear reaction gas channels, the distribution ribs each having two or more slits provided therein, the slits being in parallel to the longitudinal axis of the linear reaction channels, when, among the distribution ribs, the distribution rib positioned closest to the reaction gas supply manifold hole is considered as a first distribution rib and the distribution rib positioned closest to the reaction gas channels as an nth distribution rib, and when, among the spaces, the space positioned between the first distribution rib and the reaction gas supply manifold hole is considered as a diffusion space, and an average of sectional areas of the diffusion space, the sectional areas taken along the longitudinal axis of the reaction gas channel and along the normal to the separator's surface, is larger than a sectional area of any of the slits of the first distribution rib, the sectional area taken along the longitudinal axis of the distribution rib and along the normal to the separator's surface.
摘要:
A fuel cell comprising: a membrane electrolyte assembly having a polymer electrolyte membrane and a pair of catalyst electrodes, namely an air electrode and a fuel electrode sandwiching the polymer electrolyte membrane; a pair of separators, namely an air electrode separator and a fuel electrode separator sandwiching the membrane electrolyte assembly; two or more oxidizing gas channels running in a certain direction for the purpose of supplying an oxidizing gas to the air electrode; and two or more linear fuel gas channels arranged parallel to the certain direction for the purpose of supplying a fuel gas to the fuel electrode. Large gaps and small gaps are provided alternately between adjacent two oxidizing gas channels along the certain direction, and the fuel gas channels do not overlap portions of the oxidizing gas channels, that are parallel to the fuel gas channels.
摘要:
Disclosed is a fuel cell including: a membrane electrolyte assembly which includes a polymer electrolyte membrane and a pair of catalyst electrodes between which the polymer electrolyte membrane is held; and separators A and B between which the membrane electrolyte assembly is held, wherein the separator A includes first gas flow channels a1 and second gas flow channels a2 which are placed adjacent to the first gas flow channels al, the first and second gas flow channels a1 and a2 supplying an oxidizing gas or a fuel gas to the membrane electrolyte assembly, the first and second gas flow channels a1 and a2 run in parallel to each other and are alternately arranged, the first gas flow channels a1 are larger in cross sectional area than the second gas flow channels a2; wherein the separator B includes first gas flow channels b1 which run in parallel to the first and second gas flow channels a1 and a2, and second gas flow channels b2 which are placed adjacent to the first gas flow channels b1, the first and second gas flow channels supplying an oxidizing gas or a fuel to the membrane electrolyte assembly, the first and second gas flow channels b1 and b2 run in parallel to each other and are alternately arranged; and wherein the oxidizing gas or fuel gas supplied in the first and second gas flow channels a1 and a2 flows in opposite direction to the oxidizing gas or fuel gas supplied in the first and second gas flow channels b1 and b2.
摘要:
A fuel cell includes: a membrane electrolyte assembly which includes a polymer electrolyte membrane and a pair of catalyst electrodes between which the polymer electrolyte membrane is held and separators between which the membrane electrolyte assembly is held. The first separator includes first gas flow channels and second gas flow channels which are adjacent to the first gas flow channels, the first and second gas flow channels supplying an oxidizing gas or a fuel gas to the membrane electrolyte assembly. The first and second gas flow channels are parallel to each other and are alternately arranged, the first gas flow channels are larger in cross sectional area than the second gas flow channels. The second separator includes first gas flow channels parallel to the first and second gas flow channels of the first separator, and second gas flow channels which are adjacent to the first gas flow channels, the first and second gas flow channels supplying an oxidizing gas or a fuel to the membrane electrolyte assembly. The first and second gas flow channels are parallel to each other and are alternately arranged and the oxidizing gas or fuel gas supplied in the first and second gas flow channels of the first separator flows in an opposite direction to the oxidizing gas or fuel gas supplied in the first and second gas flow channels of the second separator.
摘要:
A fuel cell comprising: a membrane electrolyte assembly having a polymer electrolyte membrane and a pair of catalyst electrodes, namely an air electrode and a fuel electrode sandwiching the polymer electrolyte membrane; a pair of separators, namely an air electrode separator and a fuel electrode separator sandwiching the membrane electrolyte assembly; two or more oxidizing gas channels running in a certain direction for the purpose of supplying an oxidizing gas to the air electrode; and two or more linear fuel gas channels arranged parallel to the certain direction for the purpose of supplying a fuel gas to the fuel electrode. Large gaps and small gaps are provided alternately between adjacent two oxidizing gas channels along the certain direction, and the fuel gas channels do not overlap portions of the oxidizing gas channels, that are parallel to the fuel gas channels.
摘要:
A display device includes a pixel area including pixels arranged in a matrix and having a horizontal resolution of 350 ppi or more and a color filter layer overlapping with the pixel area. The pixels each include a first transistor whose gate is electrically connected to a scan line and whose one of a source and a drain is electrically connected to a signal line; a second transistor whose gate is electrically connected to the other of the source and the drain of the first transistor and whose one of a source and a drain is electrically connected to a current-supplying line; and a light-emitting element electrically connected to the other of the source and the drain of the second transistor. The first and second transistors each have a channel formation region including a single crystal semiconductor.
摘要:
The present invention provides a metal nitride film that realizes an intended effective work function (for example, a high effective work function) and has EOT exhibiting no change or a reduced change, a semiconductor device using the metal nitride film, and a manufacturing method of the semiconductor device. The metal nitride film according to an embodiment of the present invention contains Ti, Al and N, wherein the metal nitride film has such molar fractions of Ti, Al and N as (N/(Ti+Al+N)) of 0.53 or more, (Ti/(Ti+Al+N)) of 0.32 or less, and (Al/(Ti+Al+N)) of 0.15 or less.
摘要翻译:本发明提供一种金属氮化物膜,其实现了预期的有效功函数(例如,高有效功函数),并且具有没有变化或减小的变化的EOT,使用该金属氮化物膜的半导体器件及其制造方法 半导体器件。 根据本发明实施方案的金属氮化物膜包含Ti,Al和N,其中,作为(N /(Ti + Al + N))的Ti,Al和N的摩尔分数为0.53以上的金属氮化物膜 ,(Ti /(Ti + Al + N))为0.32以下,(Al /(Ti + Al + N))为0.15以下。
摘要:
In a variable valve actuation system capable of changing the angle of action of intake valves by using an actuator whose movement range is between a high end and a low end at which the movement of the actuator is mechanically stopped, it is determined that a fixation is present on condition that the actual amount of movement of the actuator in response to a command A for movement toward the low end that is issued when the present movement position of the actuator is unknown is not more than a prescribed movement criterion value a and that the actual amount of movement in response to a command B output subsequently to the command A in order to cause the actuator to operate in a direction opposite to the direction of the movement in response to the command B is not more than a prescribed movement criterion value b.
摘要:
[Task] To provide a solar battery sealing material obtained by using an olefin-based (co)polymer, which is excellent in flexibility, stress-absorbing property, transparency, and impact-resistant strength at low temperature, and with which the productivity is improved by omitting a cross-linking treatment if necessary.[Solving Means] A solar battery sealing material containing 1 to 40 parts by weight of polypropylene (i) which has a propylene unit of more than 90 mol %; and 60 to 99 parts by weight of a propylene.ethylene-based copolymer (ii) which has a propylene unit of 45 to 90 mol %, an ethylene unit of 10 to 25 mol %, and an α-olefin unit (a) having 4 to 20 carbon atoms of 0 to 30 mol % ((i)+(ii)=100 parts by weight). The solar battery sealing material further contains 5 to 95 parts by weight of an ethylene.α-olefin copolymer (B), based on 95 to 5 parts by weight of the total amount of (i) and (ii) ((i)+(ii)+(B)=100 parts by weight).