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1. 发明专利

JPH08193286A ELECTROCHEMICAL HIGH-PRESSURE HYDROGEN GENERATING DEVICE, ACTUATOR AND ENERGY ACUISITION DEVICE 失效
公开(公告)号：JPH08193286A
公开(公告)日：1996-07-30
申请号：JP2340095
申请日：1995-01-18
申请人： AISIN AW CO , IMURA JAPAN KK
发明人： KUNIMATSU KEIJI , MIKI NOBUAKI , AIDA HIROYUKI , MINATO JUNKO
IPC分类号： F03G7/00 , C25B1/04 , F15B21/06
摘要： PURPOSE: To provide an electrochemical high-pressure hydrogen generating device capable of generating high-pressure hydrogen without need for a power source for a compressor, etc., to provide an actuator utilizing the hydrogen pressure and capable of being actuated softly at a high transmission rate and to provide an energy acquisition device having a mechanism similar to that of the generating device, capable of easily generating heat and capable of easily acquiring the heat. CONSTITUTION: As for an electrolytic cell 4, a counter electrode 2 to a hydrogen occluding electrode 1 is isolated from an electrolyte 103 being in contact with the hydrogen occluding electrode 1 and contg. a surface modifier by a separation membrane 9 permeable to H and OH- and impermeable to the modifier. Such an electrolytic device is used, a voltage is impressed on the hydrogen occluding electrode 1 and counter electrode 2, and high-pressure gaseous hydrogen is occluded in a space 6 in the hydrogen occluding electrode 1. This high- pressure gaseous hydrogen is utilized in an actuator as the power source. Further, this electrolytic device is useful for an energy acquisition device.

2. 发明专利

JPH08253886A HYDROGEN OCCLUDING DEVICE 失效
公开(公告)号：JPH08253886A
公开(公告)日：1996-10-01
申请号：JP8314095
申请日：1995-03-15
申请人： AISIN AW CO , IMURA JAPAN KK
发明人： KUNIMATSU KEIJI , MIKI NOBUAKI , MINATO JUNKO , AIDA HIROYUKI
IPC分类号： C01B3/00 , C25B1/04
摘要： PURPOSE: To provide a hydrogen occluding device capable of efficiently occluding hydrogen or its isotope into a hydrogen occluding electrode without decomposing. a surface modifier on a counter electrode and without deteriorating the electrode by the surface modifier. CONSTITUTION: In an electrolytic hydrogen occluding device or fuel cell type hydrogen occluding device with a surface modifier incorporated in an electrolyte, the counter electrode 3 to the hydrogen occluding electrode 2 is separated from the electrolyte 5, in which the hydrogen occluding electrode 2 is dipped and the surface modifier is contained, by a separation membrane 4 having a function of passing H or OH but not the surface modifier in the electrolytic cell 1.

3. 发明专利

JPH08240672A ENERGY ACQUISITION APPARATUS 失效
公开(公告)号：JPH08240672A
公开(公告)日：1996-09-17
申请号：JP6877895
申请日：1995-03-02
申请人： IMURA JAPAN KK , AISIN AW CO
发明人： MIKI NOBUAKI , KUNIMATSU KEIJI , MOROTO SHUZO , AIDA HIROYUKI
IPC分类号： G21B3/00 , C25B5/00 , G21B1/00
摘要： PURPOSE: To provide an energy acquisition apparatus which prevents an electrolytic solution from being boiled even when a heat temperature generated to acquire heat energy generated by performing the electrolysis or the fuel cell-type electrolysis of heavy water is high, and which can acquire the generated heat energy efficiently. CONSTITUTION: An energy acquisition apparatus contains a heat takeout device 8 which can transport heat generated in a cathode 3 in the electrolysis or the fuel cell-type electrolysis of an electrolytic solution 2 containing heavy water by means of the cathode 3 and an anode 4 which contain a hydrogen absorbing metal or its alloy. The cathode 3 comprises a filling layer 5 composed of a heavy-hydrogen absorbing metal powder at its inside. A separation membrane 6 which does not permeate the heavy-hydrogen absorbing metal powder but which permeates heavy hydrogen and a heat insulating layer 7 having a function to prevent the transmission of heat generated in the heavy-hydrogen absorbing metal powder to the cathode 3 are interposed between the filling layer 5 and the cathode 3. The heat takeout device 8 is passed through the filling layer 5 composed of the metal powder whose heavy-hydrogen absorbing property is large.

4. 发明专利

JPH06212469A GAS DIFFUSION ELECTRODE AND ELECTROCHEMICAL REACTOR USING THE ELECTRODE 失效
公开(公告)号：JPH06212469A
公开(公告)日：1994-08-02
申请号：JP18924092
申请日：1992-07-16
申请人： IMURA JAPAN KK
发明人： KUNIMATSU KEIJI , HASEGAWA NORIFUMI , FURUYA CHOICHI
IPC分类号： C25B1/12 , C25B9/00 , C25B9/08 , C25B11/03 , H01M4/86 , H01M8/02
摘要： PURPOSE:To provide a durable gas diffusion electrode capable of sufficiently supplying and discharging a gas even when half-dipped and an electrochemical reactor using the electrode. CONSTITUTION:A porous membrane 15 permeable to gas and impermeable to electrolyte is fixed to the surface of the gas diffusion layer 13 of a gas diffusion electrode 11 obtained by joining a reaction layer 12 carrying a catalytic metal to the gas diffusion layer 13 to cover the surface of the diffusion layer 13. Further, a gas passage member 17 as a gas passage toward the gas diffusion layer 13 is inserted between the layer 13 surface and the membrane 15 to increase the gas supplying and discharging capacity. The gas diffusion electrode 11 thus constituted is half-dipped in an electrolyte in the pressure vessel consisting of a closed vessel to constitute an electrochemical reactor, and electrolysis, etc., are continuously performed.

5. 发明专利

JPH1183799A MEASURING METHOD OF CONCENTRATION OF A PLURALITY OF SUBSTANCES TO BE MEASURED USING DIAMOND ELECTRODE AND CONCENTRATION SENSOR 失效
公开(公告)号：JPH1183799A
公开(公告)日：1999-03-26
申请号：JP11181198
申请日：1998-04-22
申请人： IMURA JAPAN KK , FUJISHIMA AKIRA , HASHIMOTO KAZUHITO , UOSAKI KOHEI
发明人： KUNIMATSU KEIJI , NAKADA TOSHIHIDE , SAITO TOSHIYA , KAZUTA MAYUMI , FUJISHIMA AKIRA , HASHIMOTO KAZUHITO , UOSAKI KOHEI
IPC分类号： G01N27/30 , G01N27/416 , G01N27/48
摘要： PROBLEM TO BE SOLVED: To enable measuring of the concentration of substances in a system in which the plurality of substances exist by determining the concentration of individual substances to be measured from changes in a response current which is obtained by changing the potential of a detection electrode. SOLUTION: An electrochemical measuring apparatus having one or a plurality of detection electrodes using a conductive diamond utilizes a difference in the reaction potential of the substances to be measured for a sample containing more than one kinds of substances to be measured. In other words, concentrations of the individual substances to be measured are determined from changes in the response current which is obtained by varying the potential of the detection electrodes. This concentration sensor eliminates the need for a layer of a molecule recognizing substance such as enzyme or microorgansims on the surface of an electrode or a layer posing a problem of endurance, for example, Nafion film. This will not impair features such as anticorrosion or durability of diamond and the endurance obtained sufficiently counters the extremely severe environment of high temperature, high pressure or the like in a corrosive solution. This also enables measurement in a wider range of oxidation area and reduction area, thereby allowing a broader range of selecting the substances to be measured.

6. 发明专利

JPH0675072A P/F EFFECT DEVICE 失效
公开(公告)号：JPH0675072A
公开(公告)日：1994-03-18
申请号：JP15149691
申请日：1991-06-24
申请人： AISIN AW CO
发明人： KUNIMATSU KEIJI , KAWAI MASAO , FUKATSU HIROSHIGE , TAKAGI SHINICHI
IPC分类号： C25B1/02 , G21B1/00 , G21B3/00
摘要： PURPOSE:To obtain a P/F effect device with high energy efficiency by submerging a positive electrode of deuterium absorbing metal in electrolysis liquid of molten salt in a sealed pressure vessel, contacting a negative electrode of porous catalyzer to the electrolyte solution and pressurized deuterium gas, and connecting the positive and the negative electrodes to external voltage. CONSTITUTION:In a pressure vessel 3, a positive electrode 1 of such deuterium absorbing metal as Pd and a negative electrode 2 to ionize the deuterium gas are provided. Electrolyte solution 4 is contained so as to wet the positive electrode 1 and one side of the negative electrode 2. The negative electrode 2 is porous catalizer including Ni or nickel oxide and the electrolyte solution is constituted of KC1, LiCl molten salt and LiD. In the upper vessel 3, a space is formed. The D2 gas from a D2 gas supplying device 7 is pressure-controlled with a gas pressure controller 6, introduced in the vessel 3 to be ionized at the negative electrode 2 and solved in the solution 4. Between the positive electrode 1 and the negative electrode 2, a current controller 5 is connected. With this constitution, reactions occur at the positive electrode as equation I, at the negative electrode as equation II and in total as equation III. As the solution 4 is molten salt, the reaction promotes at high temperature, a high energy efficiency is available. As LiD is not consumed but deuterium gas D2 is supply of them is easy.

7. 发明专利

JPH05209976A CONTINUOUSLY OPERABLE P/F EFFECT DEVICE 失效
公开(公告)号：JPH05209976A
公开(公告)日：1993-08-20
申请号：JP16418191
申请日：1991-07-04
申请人： AISIN AW CO
发明人： FURUYA CHOICHI , KUNIMATSU KEIJI , TAKAGI SHINICHI
IPC分类号： C25B1/12 , G21B1/00 , G21B3/00
摘要： PURPOSE:To provide a continuously operable protection factor effect device free from the decrease of an electrolyte, regarding a protection factor effect device constituted of an electrolytic cell and a pressure vessel for sealing the cell. CONSTITUTION:The internal wall of a pressure vessel 6 is applied with an anticorrosive coat 4. The vessel 6 is directly charged with an electrolyte 3, and used as an electrolytic cell. In addition, pressurized deuterium gas D2 is introduced to the inside of the vessel 6. Also, an anode 1 and a cathode 2 are immersed in the electrolyte 3 in the vessel 6. The upper section of the anode 1 comprising a gas diffusion electrode is exposed to the deuterium gas D2. Voltage is applied to both of the cathode 2 and anode 1 from an external power supply, thereby causing a protection factor effect reaction to take place.

8. 发明专利

JPH05302988A 失效
公开(公告)号：JPH05302988A
公开(公告)日：1993-11-16
申请号：JP15719891
申请日：1991-06-27
申请人： AISIN AW CO
发明人： KUNIMATSU KEIJI
IPC分类号： B01J19/08 , C25B5/00 , C25B11/04 , G21B1/00 , G21B3/00
摘要： PURPOSE:To realize an energy generator with good efficiency by supplying deuterium gas to a positive electrode and making a reaction expressed by a particular equation for changing the deuterium gas to deuterium ion. CONSTITUTION:In the case of using acid electrolyte 3 of D2SO4, deuterium gas D2 is introduced from outside through a valve 7 and the inner pressure of a sealed vessel 6 is set at a specified high pressure. Thus, solving velocity of gas D2 into the solution 3 is expedited and the soluble amount of balance of gas D2 in the solution 3 is increased. The gas D2 penetrates from the gas supply layer 15 in a gas diffusion electrode as a positive electrode 1, diffuses and reaches the boundary between the positive electrode 1 and the solution 3. At this boundary, a reaction occurs as follows. D2 2D +2e . The produced ion D reacts on the electron (e ) supplied from an external power source 9 at a negative electrode 2 to be a deuterium atom D (a), which becomes gas D2 again and at the same time absorbed partly in the negative electrode 2. The electric potential impressed from outside to the positive electrode 1 is lower than 0.1V and the electric potential to cause reaction at the negative electrode 2 is about 0.3V and therefore, the input energy is low enough.

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