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1. 发明专利

JPS60200470A PORTABLE TYPE FUEL CELL 失效
公开(公告)号：JPS60200470A
公开(公告)日：1985-10-09
申请号：JP5570484
申请日：1984-03-23
申请人： HITACHI LTD
发明人： KITAMI NORIKO , KAMO YUUICHI , TAKEUCHI SEIJI , IWAMOTO KAZUO , KAWANA HIDEJIROU , HORIBA TATSUO , KUMAGAI TERUO , TAMURA KOUKI
IPC分类号： H01M8/04 , H01M8/06
摘要： PURPOSE:To provide a portable type fuel cell which is capable of processing reactive products in the inside of the body of the fuel cell by providing means to accommodate the reactive products due to the operation of the fuel cell or means to absorb the reactive products in the inside of the cell system. CONSTITUTION:A fuel tank 3 is divided into three divisions and an accommodating chamber 8 for absorbent for carbon dioxide, which has a detachable inlet port in an outlet port for the carbon deoxide connected to a fuel electrode, is provided in the upper division, and a tank 9 for product water, which has a detachable inlet port in an outlet port for air connected to an air electrode, is provided in the lower division, and the middle of the tank is for the division for accommodating the fuel. Soda lime, caustic alkali, ethanol amine etc. are used as CO2 absorbent. Starch-acrylonitrile hydrolitic products, cellulose graft products, polyacrylic sodium and polyvinylalcohol cross-linking products etc. are used as water absorbing agent for product water, however, a tank for storing the product water may be installed in a part of the body of the fuel cell instead of the use of the water absorbing agent.

2. 发明专利

JPS59157963A Air electrode for fuel cell 失效
标题翻译：燃料电池用空气电极
公开(公告)号：JPS59157963A
公开(公告)日：1984-09-07
申请号：JP2947483
申请日：1983-02-25
申请人： Hitachi Ltd
发明人： IWAMOTO KAZUO , TAKEUCHI KIYOSHI , KITAMI NORIKO , KAWANA HIDEJIROU , HORIBA TATSUO , KUMAGAI TERUO , KAMO YUUICHI , TAMURA KOUKI
IPC分类号： H01M4/86 , H01M4/96
CPC分类号： H01M4/96
摘要： PURPOSE:To prevent the deterioration of the characteristics in the air electrode of a liquid fuel battery that uses methanol as fuel due to the permeation and wetting of an electrolyte by impregnating a base material with polytetrafluoroethylene and heat-treating it. CONSTITUTION:A base material 1 obtained by impregnating carbon paper with a polytetrafluoroethylene solution and treated in the air at 400 deg.C for 20min is coated with a paste type 2 obtained by mixing the polytetrafluoroethylene solution that is used additionally as a water repellent agent and a bonding agent in the active carbon powder and graphite powder to which a solvent is added. Such an air electrode is kept in the N2 gas at 300 deg.C for 30min and is cooled slowly and then is removed. As shown in item 1 of the figure, this air electrode hardly deteriorates its potential in the discharge up to 2,000hr.
摘要翻译：目的：为了防止使用甲醇作为燃料的液体燃料电池的空气电极的特性劣化，这是由于通过用聚四氟乙烯浸渍基材并对其进行浸渍和润湿而进行的。构成：通过用聚四氟乙烯溶液浸渍碳纸并在空气中在400℃下处理20分钟而获得的基材1涂覆有通过将另外用作防水剂的聚四氟乙烯溶液和活性炭粉末中的粘合剂和添加有溶剂的石墨粉末。将这样的空气电极在300℃下保持在N2气中30分钟，并缓慢冷却，然后除去。如图中第1项所示，这种空气电极几乎不会使放电电位下降至2000小时。

3. 发明专利

JPS55167026A REMOVING METHOD FOR NITROGEN OXIDE IN WASTE GAS 失效
公开(公告)号：JPS55167026A
公开(公告)日：1980-12-26
申请号：JP7470479
申请日：1979-06-15
申请人： BABCOCK HITACHI KK , HITACHI LTD
发明人： KATOU AKIRA , MATSUDA SHINPEI , KAMO YUUICHI , UNO SHIGEO , TAKEUCHI MASAHITO , OKADA HIDEO , IMAHASHI JINICHI , NAKASHIMA FUMITO
IPC分类号： B01D53/94 , B01J23/30 , B01J23/34 , B01J23/85 , B01J23/86
摘要： PURPOSE:To obtain a catalyst which denitrates in high activity even at a high temperature for the denitration catalyst in the reduction by nitrogen oxides to ammonia by a methof wherein the specified ratio of cerium oxide, etc. are combined with titanium oxide and tungsten oxide. CONSTITUTION:In a denitrating process reducing the waste gas from a gas turbine to ammonia at 500-700 deg.C, subtance in which titanium oxide and tungsten oxide are contained at 0.01-0.5 to 1 atomic ration to Ti and cerium oxide, tin oxide, etc. are contained at 0.01- 0.1 to 1 atomic ratio to Ti is used as a catalyst. The catalyst efficiently reduces nitrogen oxide in the waste gas at high temperature and removes it.

4. 发明专利

JPS5573329A TREATMENT OF EXHAUST GAS WHICH CONTAINS NITROGEN OXIDE 失效
公开(公告)号：JPS5573329A
公开(公告)日：1980-06-03
申请号：JP14656678
申请日：1978-11-29
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： KATOU AKIRA , TAKEUCHI SEIJI , KAMO YUUICHI , UNO SHIGEO , IMAHASHI JINICHI , MATSUDA SHINPEI , NAKASHIMA FUMITO
IPC分类号： B01D53/94
摘要： PURPOSE:To remove nitrogen oxides within an exhaust gas effectively at a low temperature and maintain the activity of a catalyst by a mechanism wherein ammonia is added to an exhaust gas by an ammonia reduction method of an exhaust gas and stayed for a period of time, thereafter passed through a catalyst layer. CONSTITUTION:Firstly, ammonia is added to an exhaust gas which contains nitrogen oxides and sulfur oxides and the stay time above 1 sec. is provided to convert sulfur trioxide and sulfur dioxide within sulfur oxides to the mist of ammonium sulphate. Thereafter., this exhaust gas is contacted with a catalyst at 150-330 deg.C to carry out the denitrification reaction. Thereby, the activity of a catalyst is maintaind while the accumulation of ammonium sulphate onto a catalyst is prevented and the treatment of an exhaust gas is carried out economically at a low temperature.

5. 发明专利

JPS54142187A PREPARATION OF SPEHERICAL TITANIUM OXIDE CATALYST 失效
公开(公告)号：JPS54142187A
公开(公告)日：1979-11-06
申请号：JP4972378
申请日：1978-04-28
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： SAKUTA YOUICHI , MATSUDA SHINPEI , UNO SHIGEO , IMAHASHI JINICHI , KATOU AKIRA , KAMO YUUICHI
IPC分类号： B01D53/94 , B01D53/34 , B01J21/06 , B01J23/00 , B01J23/10 , B01J23/12 , B01J23/22 , B01J23/24 , B01J23/70 , B01J27/00 , B01J27/02 , B01J27/053 , B01J27/055
摘要： PURPOSE:A mixture of a specific amount of TiO2 and one or more of oxides or sulfates of V, Cr, Mo, W, Fe, Co, Ni, Cu, Ce, and U is added with titania sol to be grained by rolling, thereby providing high-strength, impurity-free, spherical titanium oxide catalyst. CONSTITUTION:Spherical catalyst consisting of TiO2 equivalent to 50 atomic % of Ti or more and the balance being one or more of oxides or sulfates of the above metals is produced. Such composition is added with a bonding agent of titanium sol containing TiO2 equivalent to 1 to 50 wt% of Ti. The mixture is sprayed with water continuously and correspondingly to the material feed rate so that final water content is about 20 to 30 wt% and grained by rolling machine. The resultant spherical catalyst grains are fired at 600 to 750 deg.C, thereby providing a high-strength catalyst suitable for denitrization as well as other purposes.

6. 发明专利

JPS5486474A TREATING METHOD FOR EXHAUST GAS CONTAINING NITROGEN OXIDES 失效
公开(公告)号：JPS5486474A
公开(公告)日：1979-07-10
申请号：JP15449677
申请日：1977-12-23
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： KATOU AKIRA , MATSUDA SHINPEI , UNO SHIGEO , KAMO YUUICHI , SAKUTA YOUICHI , NAKASHIMA FUMITO
IPC分类号： B01D53/60 , B01D53/34 , B01D53/74 , B01J21/06 , B01J23/12 , B01J23/14 , B01J23/16 , B01J23/90 , B01J38/04 , F01N3/28
摘要： PURPOSE:To efficiently treat exhaust gas by taking out catalyst the activity of which has been lowered owing to salt deposition; regenerating the catalyst with heating; and selectively absorbing SOx in gas scattered from the catalyst surface to recycle NH3. CONSTITUTION:After adding a predetermined amt. of ammonia 2, exhaust gas 1 contacts with denitration catalyst 4 based on TiO2 and/or SnO2 at 150-330 deg.C in denitration tower 3 to reduce NOx to N2 and H2O. At this time, SO3 out of SOx contained in gas 1 reacts with NH3 to form (NH4)2SO4, which is deposited on catalyst 4, lowering the catalytic activity. So, part of catalyst 4 is taken out and fed to regeneration tower 5, where hot gas 6 of 350-600 deg.C is passed to evaporate the (NH4)2SO4, thus regenerating the catalyst. The hot gas contg. NH3 and SOx is fed to SOx removal tower 7, where the SO3 alone is absorbed with SO3 absorbent 8, and the NH3-contg. gas is added to untreated exhaust gas 1 and reused.

7. 发明专利

JPS53140094A CORRUPTION MEASURING SYSTEM 失效
公开(公告)号：JPS53140094A
公开(公告)日：1978-12-06
申请号：JP1890578
申请日：1978-02-20
申请人： HITACHI LTD
发明人： KAMO YUUICHI , NIHEI KAZUO , MIYAGI HIROYUKI , TAKADA YOSHITADA
IPC分类号： G01N25/22
摘要： PURPOSE:To make combustion of a sample complete over a wide range of corruption values so as to accomplish the measurement highly accurately and sensitively by supplying O2 and H2 of a preset ratio from an electrolytic cell to react O2, which used for combustion, with H2 so that the remaining O2 or H2 may be detected.

8. 发明专利

JPS51137471A FLOW TYPE OPTICAL CELL 失效
公开(公告)号：JPS51137471A
公开(公告)日：1976-11-27
申请号：JP6097675
申请日：1975-05-23
申请人： HITACHI LTD
发明人： TAKADA YOSHIKADO , KAMO YUUICHI
IPC分类号： G01N21/15
摘要： PURPOSE:To provide an optica cell in which a transparent tape is applied over an optical window and moved upon lapse of every predetermined period of time to keep the opetical window always transparent to allow long-time cotinuous measurement.

9. 发明专利

JPS60216457A FUEL CELL 失效
公开(公告)号：JPS60216457A
公开(公告)日：1985-10-29
申请号：JP7087684
申请日：1984-04-11
申请人： HITACHI LTD
发明人： TAKEUCHI SEIJI , KAMO YUUICHI , HORIBA TATSUO , KITAMI NORIKO , MORI TOSHIKATSU , KAHARA TOSHIKI , IMAHASHI JINICHI , HONCHI AKIO , TAKEUCHI MASAHITO , TAMURA KOUKI
IPC分类号： H01M4/86 , H01M8/08
摘要： PURPOSE:To prevent the movement of an electrolyte in an electrolyte holding matrix and suppress the deterioration of the cell performance by changing the electrolyte saturation absorption quantities of an anode and a cathode so as to decrease the electrolyte saturation absorption quantity of the cathode. CONSTITUTION:A cathode 12 made with a porous substrate 14 and a catalyst carrying layer 15 and an anode 13 made with a porous substrate 16 and a catalyst carrying layer 17 are provided across an electrolyte holding matrix 11, and gas separation plates 18, 20 are arranged outside them to form a fuel cell of a phosphoric acid type, etc. In this case, the electrolyte saturation absorption quantity of the anode 13 is made 3.0-20.0 times as large as that of the cathode 12; particularly for a phosphoric acid type, the cathode side is made 3-6mg/cm and the anode side is made 20mg/cm or less. Accordingly, the decrease of the cell voltage caused by the movement of the phosphoric acid in the matrix 11 from the anode 13 to the cathode 12 can be suppressed, and the life of the cell can be extended.

10. 发明专利

JPS60211772A Liquid fuel battery 失效
标题翻译：液体燃料电池
公开(公告)号：JPS60211772A
公开(公告)日：1985-10-24
申请号：JP6577884
申请日：1984-04-04
申请人： Hitachi Ltd
发明人： KITAMI NORIKO , KUMAGAI TERUO , KAMO YUUICHI , TAKEUCHI SEIJI , IWAMOTO KAZUO , HORIBA TATSUO , TAMURA KOUKI
IPC分类号： H01M4/86 , H01M8/08
CPC分类号： H01M8/08 , H01M4/86
摘要： PURPOSE:To prevent deterioration in battery performance due to contactness between anode and air by providing a moistened film to the anode. CONSTITUTION:A layer consisting of a conductive and porous material which can sufficiently hold electrolyte is provided on the catalyst layer of anode. As the conductive and porous material, unwoven cloth or woven close of carbon, metal wool or porous plate can be used but any kind of material can be used so long as it is conductive, porous and has resistance for chemicals so that it is not corroded by fuel or electrolyte. If such a conductive and porous layer is moistened by electrolyte, the anode is kept wet. In case the anorite is drained while the battery is not used, contact between air and anode can be avoided and thereby degradation of battery performance can be prevented.
摘要翻译：目的：通过向阳极提供润湿膜，防止阳极与空气之间的接触导致的电池性能下降。构成：在阳极的催化剂层上设置由能够充分保持电解质的导电性和多孔性材料构成的层。作为导电性和多孔材料，可以使用无纺布或编织的碳，金属毛或多孔板，但是只要具有导电性，多孔性，并具有耐化学性，使其不被腐蚀，可以使用任何种类的材料通过燃料或电解质。如果这种导电和多孔层被电解质润湿，则阳极保持湿润。在不使用电池的情况下排出异氰酸盐，可以避免空气和阳极之间的接触，从而可以防止电池性能的劣化。

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