Abstract: A method for forming an electrode catalyst layer by putting catalyst ink within an insulative container having a conductive nozzle in communication with the interior of the container and applying an electrospray voltage to the nozzle to cause electrospray of the catalyst ink through the tip end of the nozzle and thereby to form an electrode catalyst layer, the method includes preparing catalyst ink containing a mixture of at least electrode catalyst, polymer electrolyte binder and volatile organic compound and/or water, putting the catalyst ink within the container with a space remaining inside thereof and air-tightly sealing the container, and electrospraying with the space inside of the air-tightly sealed container being conditioned to have a negative pressure of a level at which the catalyst ink cannot drip off from the nozzle.
Abstract: An object of the present invention is to provide fluorescently labeled silica-coated gold nanorods that are safe for administration to living bodies, stable to temperature rise and external environment, and easy to manufacture. The present invention is a labeled silica-coated gold nanorod, including a gold nanorod, a silica layer covering the gold nanorod, spacers bonded to the silica layer, and labeled materials, in which the labeled material is chemically bonded to the spacer. The present invention also provides a method for producing a labeled silica-coated gold nanorod, including an introduction step and a binding step, in which in the introduction step, spacers are introduced on a silica layer of a silica-coated gold nanorod and in the binding step, a labeled material is chemically bound to the spacer.
Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have an improved physical property (anion conductivity); a method for producing thereof; an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.
Type:
Grant
Filed:
September 20, 2016
Date of Patent:
March 16, 2021
Assignees:
UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.
Abstract: Provided is a separating apparatus including separating unit configured to apply external force to a fluid sample containing two or more components immiscible with each other and having different specific gravities to separate the fluid sample into separation target and non-separation target, and a transfer mechanism configured to apply a pressure to the separation target separated by the separating unit to transfer he separation target.
Abstract: A gripping force measurement device includes a body portion and a plurality of pressure sensors. The plurality of pressure sensors includes at least one first sensor and two or more second sensors including pressure-sensitive surfaces oriented in the same direction. A pressure-sensitive surface of the first sensor and the pressure-sensitive surfaces of the two or more second sensors are disposed such that, when a subject pressurizes the pressure-sensitive surface of the first sensor and the pressure-sensitive surfaces of the two or more second sensors, the gripping force measurement device is grippable by the subject.
Type:
Application
Filed:
December 28, 2018
Publication date:
December 10, 2020
Applicants:
Kitagawa Industries Co., Ltd., University of Yamanashi
Inventors:
Kazuki Yamada, Yasuo Kondo, Lu Zhao, Hidetsugu Terada, Koji Makino, Takaiki Kanagawa
Abstract: A dispensing apparatus including; a plurality of first accommodating units which are formed in communication with each other and which are configured to be able to divide and accommodate a fluid sample transferred by external force; a plurality of second accommodating units each configured to accommodate the fluid sample which has been divided into the plurality of the first accommodating units; and transfer means each configured to transfer the fluid sample, which has been accommodated in the plurality of the first accommodating units, to the second accommodating units.
Abstract: An anion exchange resin capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have improved chemical properties and mechanical properties; an electrolyte membrane and a binder for forming an electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.
Type:
Grant
Filed:
July 24, 2018
Date of Patent:
August 4, 2020
Assignees:
UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.
Abstract: The carrier metal catalyst achieves suppression of internal resistance of a fuel cell. A carrier metal catalyst includes: a carrier powder; and metal fine particles supported on the carrier powder; wherein: the carrier powder is an aggregates of carrier fine particles; the carrier fine particles includes a chained portion structured by a plurality of crystallites being fusion bonded to form a chain; the carrier fine particles include titanium oxide; the carrier fine particles are doped with an element having a valence different from a valence of titanium; the titanium oxide of the carrier powder has an anatase phase/rutile phase ratio of 0.2 or lower; the metal fine particles have a mean particle size of 3 to 10 nm; the metal fine particles include platinum; and a cell resistance measured under standard conditions of a fuel cell prepared using the carrier metal catalyst is 0.090 ?·cm2 or lower.
Abstract: An anion exchange resin capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have improved electrical properties; an electrolyte membrane and a binder for forming an electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.
Type:
Grant
Filed:
July 24, 2018
Date of Patent:
July 28, 2020
Assignees:
UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.
Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a battery electrode catalyst layer, which have improved electrical properties and chemical properties. For example, used is an anion exchange resin which has a hydrophobic unit being composed of bisphenol AF residues repeated via carbon-carbon bond and a hydrophilic unit being composed of hydrophilic groups repeated via carbon-carbon bond, in which the hydrophilic group is formed by connecting an anion exchange group to a fluorene backbone via a divalent saturated hydrocarbon group, and in which the hydrophobic unit and the hydrophilic unit are connected via carbon-carbon bond.
Type:
Application
Filed:
November 20, 2019
Publication date:
July 23, 2020
Applicants:
University Of Yamanashi, Takahata Precision Co., Ltd.
Abstract: Provided is a method for efficiently manufacturing fine metal particles applicable as a fuel cell electrode catalyst. Provided is a method of manufacturing fine metal particles, including the step of: a hydrogen bubbling step to perform bubbling to a reaction solution, wherein: the reaction solution is prepared by allowing seeds of fine metal particles in a dispersed state and a water soluble noble metal precursor to co-exist in a water-containing solvent; and the bubbling is performed with a reaction gas containing a hydrogen gas, is provided.
Abstract: A carrier powder is thermodynamically stable and conductivity can be easily provided thereto. A carrier powder includes an aggregate of carrier fine particles; wherein: the carrier fine particles include a chained portion structured by fusion bonding a plurality of crystallites into a chain; the carrier fine particles contain titanium oxide; and a ratio of anatase phase/rutile phase of the titanium oxide of the carrier powder is 0.2 or lower.
Abstract: A tunable dual-band resonator and a tunable dual-band band-pass filter using the tunable dual-band resonator. The dual-band resonator is structured such that a stub is added to each half-wavelength resonator provided with half-wavelength resonator protrusions (capacity-component adjust parts). The dual-band resonator is made up of an odd-number mode resonator in a shape including a ground conductor disposed on the back surface of a dielectric body, and a strip conductor disposed on the top surface thereof, and an even-number mode resonator in such a shape as to be formed when the stub is connected to an end face on the opposite side of the open-end of the strip, characterized in that a dielectric rod having a circular cross section is provided in the space above the respective stubs and another dielectric rod having a circular cross section is provided in the space above the half-wavelength resonator protrusions.
Type:
Grant
Filed:
April 18, 2018
Date of Patent:
April 21, 2020
Assignees:
UNIVERSITY OF YAMANASHI, THE JAPAN STEEL WORKS, LTD.
Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane and the like, which have improved chemical properties (durability). For example, used is an anion exchange resin comprising a hydrophobic unit being composed of a plurality of divalent hydrophobic groups repeated via carbon-carbon bond, the divalent hydrophobic group having a plurality of aromatic rings which are connected to each other via a divalent fluorine-containing group; and a hydrophilic unit being composed of a plurality of hydrophilic groups repeated via carbon-carbon bond, the hydrophilic groups being composed of a plurality of aromatic rings which are connected to each other via a divalent hydrocarbon group and/or carbon-carbon bond, and the hydrophilic groups containing an anion exchange group-containing group including a quaternary ammonium salt having a piperidine ring, and wherein the hydrophobic unit and the hydrophilic unit are connected via carbon-carbon bond.
Type:
Application
Filed:
August 21, 2019
Publication date:
February 27, 2020
Applicants:
University Of Yamanashi, Takahata Precision Co., Ltd., Daihatsu Motor Co., Ltd.
Abstract: Separators of multiple types capable of supplying and diffusing fluids such as an anode gas, cathode gas and coolant uniformly are prepared and combined to construct a fuel cell stack. Such a cell stack (20) for fuel cells includes separators of at least two types (types CA, C, A, C, CW and AW) for anode gas and cathode gas. Each separator is such that a corrosion-resistance layer is formed on at least one face of a metal plate (30) and a fluid supply and diffusion layer for the corresponding gas is formed by an electrically conductive porous layer on the corrosion-resistant layer. The at least two separators are stacked so as to face each other with at least an electrolyte membrane and catalyst layers on both sides of the membrane (a new membrane electrode assembly N-MEA) being sandwiched between the fluid supply and diffusion layers of the separators.
Abstract: To spread the use of catalysts for fuel cells, there is a demand to develop a catalyst that uses less Pt and has a high power generation efficiency. An electrode catalyst includes a support particle containing a metal oxide and a precious-metal alloy supported on the support particle. The support particle includes multiple branches, a hole between the branches, and a pore. The pore is surrounded by the branches and the hole. The precious-metal alloy includes a precious metal element and at least one or more transition elements.
Abstract: The present invention provides a cation exchange resin, and a cation exchange membrane and an electrolyte membrane for a fuel cell using the same. The cation exchange resin comprises a divalent hydrophobic unit; and a divalent hydrophilic unit having divalent hydrophilic groups which are repeated via carbon-carbon bond. The divalent hydrophilic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group, a divalent silicon-containing group, a divalent nitrogen-containing group, a divalent phosphorus-containing group, a divalent oxygen-containing group, a divalent sulfur-containing group, or carbon-carbon bond, and at least one of the aromatic rings having a cation exchange group; wherein the hydrophobic unit and the hydrophilic unit are bonded to each other via carbon-carbon bond.
Type:
Grant
Filed:
June 29, 2016
Date of Patent:
November 12, 2019
Assignees:
UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.
Abstract: A blood analysis method comprising, acquiring optical information which changes over time from a mixed liquid of a blood sample and a reagent for coagulation time measurement after mixing the blood sample and the reagent, and acquiring information related to a coagulation time and information related to a number of platelets in the blood sample based on the acquired optical information.
Type:
Application
Filed:
April 16, 2019
Publication date:
October 31, 2019
Applicants:
SYSMEX CORPORATION, University of Yamanashi
Abstract: A method of manufacturing a bonded substrate, which has a quartz substrate and a piezoelectric substrate bonded, includes irradiating a bonding surface of the quartz substrate and a bonding surface of the piezoelectric substrate with ultraviolet light under a pressure lower than atmosphere pressure. After the irradiation, the bonding surface of the quartz substrate and the bonding surface of the piezoelectric substrate are brought into contact. And the quartz substrate and the piezoelectric substrate are pressurized in a thickness direction to bond the bonding surfaces.
Type:
Application
Filed:
May 15, 2019
Publication date:
August 29, 2019
Applicants:
THE JAPAN STEEL WORKS, LTD., WASEDA UNIVERSITY, UNIVERSITY OF YAMANASHI
Abstract: The present disclosure provides the hydrogen evolution catalyst having superior hydrogen generation efficiency. According to the present disclosure, there is provided a hydrogen evolution catalyst comprising a platinum skin layer on a surface of an alloy nanoparticle composed of an alloy of platinum and transition metal.