摘要:
A stainless steel separator, which is good of corrosion-resistance and low of contact-resistance, is proposed for a fuel cell. Its surface faced to a fuel electrode is pickled, which the other surface faced to an oxidizing electrode is roughened by electrolytic etching or the like. The roughening treatment may be performed before or after pickling and passivation. The roughened surface of the stainless steel separator without pickling or passivation may be faced to the oxidizing electrode.
摘要:
A stainless steel sheet useful as a separator for a low-temperature fuel cell has the surface state that a lot of fine projections (p) stand close together around many fine pits (d) formed over a whole surface. The surface state is realized by alternating electrolytic etching in a ferric chloride solution. When the stainless steel separator is built in a fuel cell, contact resistance between the separator and a graphite electrode is kept at a lower level even in a corrosive atmosphere. Consequently, the fuel cell can be driven with high power-generating efficiency over a long term even under severely corrosive conditions without generation of massive Joule heat.
摘要:
A stainless steel sheet useful as a separator for a low-temperature fuel cell has the surface state that a lot of fine projections (p) stand close together around many fine pits (d) formed over a whole surface. The surface state is realized by alternating electrolytic etching in a ferric chloride solution. When the stainless steel separator is built in a fuel cell, contact resistance between the separator and a graphite electrode is kept at a lower level even in a corrosive atmosphere. Consequently, the fuel cell can be driven with high power-generating efficiency over a long term even under severely corrosive conditions without generation of massive Joule heat.
摘要:
A stainless steel sheet useful as a separator for a low-temperature fuel cell has the surface state that a lot of fine projections (p) stand close together around many fine pits (d) formed over a whole surface. The surface state is realized by alternating electrolytic etching in a ferric chloride solution. When the stainless steel separator is built in a fuel cell, contact resistance between the separator and a graphite electrode is kept at a lower level even in a corrosive atmosphere. Consequently, the fuel cell can be driven with high power-generating efficiency over a long term even under severely corrosive conditions without generation of massive Joule heat.
摘要:
A liquid absorbing material, being provided in a liquid ejecting apparatus having a liquid ejecting head for ejecting liquid from nozzle openings formed on a nozzle forming surface, and being able to come into abutment with the liquid ejecting head so as to cover the nozzle openings and being stored in a cap having a discharge channel for discharging the liquid in the interior thereof, includes a body portion to be arranged in the cap when being stored in the cap, and a projecting portion arranged in the discharge channel.
摘要:
An image recording apparatus causes the repeated alternating execution of an ejection operation, in which light-curable ink is ejected from a head while the head and a light irradiation unit are moved in a predetermined direction by a movement mechanism, and a transport operation, in which a medium is moved relative to the head and the light irradiation unit in a direction that is orthogonal to the predetermined direction; and reduces the irradiation intensity of the light irradiation unit during acceleration/deceleration periods, when the movement mechanism moves the head and the light irradiation unit at a velocity that is lower than a predetermined velocity, to a lower irradiation intensity than the irradiation intensity of the light irradiation unit during a constant velocity period, when the movement mechanism moves the head and the light irradiation unit at the predetermined velocity.
摘要:
A liquid ejecting apparatus includes first liquid ejecting nozzles that eject first liquid; a second liquid ejecting nozzle that ejects second liquid which is different from the first liquid; and a control unit which performs control of ejection of the first liquid from the first liquid ejecting nozzles and ejection of the second liquid from the second liquid ejecting nozzles. The control unit has a first mode of performing control to form flushing dots by ejection from the first liquid ejecting nozzles on a recording medium, the ejection not being based on image data, form background dots by ejection from the second liquid ejecting nozzle on the flushing dots, the ejection being based on the image data, and form image dots by ejection from the first liquid ejecting nozzles on the background dots, the ejection being based on the image data.
摘要:
The quality of an image recorded on electronic paper is improved. Specifically, electronic paper for displaying an image is supplied in a region in which an electric field is generated in the thickness direction of the electronic paper, the electronic paper having charged color particles and being used for displaying an image as a result of charged color particles migrating in the thickness direction. Voltage for generating an electric field in the region is controlled by a voltage control section so that the value of the voltage varies together with time. The quality of an image recorded on electronic paper can thereby be improved.
摘要:
Provided is a printing apparatus for printing an image on a medium, which is transported in a transport direction, by forming dots by ejecting ink from a plurality of nozzles while moving the nozzles in an intersecting direction that intersects the transport direction. The printing apparatus has a first printing mode for printing a mirror image of a predetermined image as the image on the medium and a second printing mode for printing a positive image of a predetermined image as the image on the medium, the medium being a transparent medium. The first printing mode is different from the second printing mode in at least one of a transportation operation of transporting the medium and a dot-forming operation of forming the dots by ejecting ink while moving the nozzles.
摘要:
A pretreatment method for a printing material is performed prior to ink jet textile printing on the printing material and includes the steps of imparting a tension force to at least a printing area of the printing material on which ink jet textile printing is performed so as to put the printing area in a tensioned state, and applying a pretreatment agent having an ink permeation inhibiting property on the printing area in the tensioned state.