JP2000342977A5 - - Google Patents
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- JP2000342977A5 JP2000342977A5 JP1999159483A JP15948399A JP2000342977A5 JP 2000342977 A5 JP2000342977 A5 JP 2000342977A5 JP 1999159483 A JP1999159483 A JP 1999159483A JP 15948399 A JP15948399 A JP 15948399A JP 2000342977 A5 JP2000342977 A5 JP 2000342977A5
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- JP
- Japan
- Prior art keywords
- organic compound
- photochemical
- photochemical catalyst
- fuel cell
- hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 21
- 150000002894 organic compounds Chemical class 0.000 description 17
- 239000003054 catalyst Substances 0.000 description 16
- 238000000354 decomposition reaction Methods 0.000 description 12
- 239000000446 fuel Substances 0.000 description 12
- 229910003472 fullerene Inorganic materials 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 239000004071 soot Substances 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 125000004429 atoms Chemical group 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001722 carbon compounds Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000002829 reduced Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003426 co-catalyst Substances 0.000 description 2
- 230000004059 degradation Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 125000004435 hydrogen atoms Chemical group [H]* 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001737 promoting Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003197 catalytic Effects 0.000 description 1
- 230000024881 catalytic activity Effects 0.000 description 1
- 230000001747 exhibiting Effects 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 Ｃn（但し、ｎは幾何学的に球状炭素化合物を形成し得る整数である。）で表されるフラーレン分子を含有する煤からなり、非共有電子対を有する原子と水素原子とを分子内に含む有機化合物を光照射下に分解するのに用いられる光化学触媒。
【請求項２】 前記フラーレン分子がｎ≧６０の偶数の炭素数を有し、前記煤中に２〜５重量％含有されている、請求項１に記載した光化学触媒。
【請求項３】 可視光線及び／又は紫外光線の照射下に触媒活性を呈し、水性媒体中で安定である、請求項１に記載した光化学触媒。
【請求項４】 常温、常圧下で前記有機化合物を分解する、請求項１に記載した光化学触媒。
【請求項５】 前記有機化合物の分解時に、その酸化を促進する酸化還元電位を示す助触媒が添加される、請求項１に記載した光化学触媒。
【請求項６】 前記有機化合物の分解時に還元による水素の発生を促進させる物質が添加されている、請求項１に記載した光化学触媒。
【請求項７】 前記フラーレン分子を含有する煤を懸濁した液、又は多孔質体へ含浸させた形態をなす、請求項１に記載した光化学触媒。
【請求項８】 Ｃn（但し、ｎは幾何学的に球状炭素化合物を形成し得る整数である。）で表されるフラーレン分子を含有する煤を光化学触媒とし、この光化学触媒の存在下に、非共有電子対を有する原子と水素原子とを分子内に含む有機化合物を光照射下に分解する光化学分解方法。
【請求項９】 前記フラーレン分子がｎ≧６０の偶数の炭素数を有し、前記煤中に２〜５重量％含有されている、請求項８に記載した光化学分解方法。
【請求項１０】 可視光線及び／又は紫外光線の照射下に水性媒体中で前記有機化合物を分解する、請求項８に記載した光化学分解方法。
【請求項１１】 常温、常圧下で前記有機化合物を分解する、請求項８に記載した光化学分解方法。
【請求項１２】 分解時の前記有機化合物の酸化を促進する酸化還元電位を示す助触媒を添加する、請求項８に記載した光化学分解方法。
【請求項１３】 前記有機化合物の分解時に還元による水素の発生を促進させる物質を前記光化学触媒に添加する、請求項８に記載した光化学分解方法。
【請求項１４】 前記フラーレン分子を含有する煤を懸濁した液、又は多孔質体へ含浸させた形態をなす前記光化学触媒を使用する、請求項８に記載した光化学分解方法。
【請求項１５】 負極と電解質と正極との積層構造からなる燃料電池において、Ｃn （但し、ｎは幾何学的に球状炭素化合物を形成し得る整数である。）で表されるフラーレン分子を含有する煤からなる光化学触媒が配置され、非共有電子対を有する原子と水素原子とを分子内に含む有機化合物を前記光化学触媒に接触させた状態で光照射して前記有機化合物を分解し、これによって生成した水素を前記負極に供給するように構成したことを特徴とする燃料電池。
【請求項１６】 前記光化学触媒が前記負極に接して配置されている、請求項１５に記載した燃料電池。
【請求項１７】 前記有機化合物を分解させる光化学分解部で発生させた水素が前記負極に導かれる、請求項１５に記載した燃料電池。
【請求項１８】 前記フラーレン分子を含有する煤を懸濁した液、又は多孔質体へ含浸させた形態をなす前記光化学触媒が使用される、請求項１５に記載した燃料電池。
【請求項１９】 発生した水素を水素イオンとして負極に供給すると共に電子を電流として取出し、かつ、前記水素イオンを電解質を通して正極に導き、ここで酸素を前記電子により還元して前記水素イオンと反応させ、水を生成させる、請求項１５に記載した燃料電池。
【請求項２０】 前記フラーレン分子がｎ≧６０の偶数の炭素数を有し、前記煤中に２〜５重量％含有されている、請求項１５に記載した燃料電池。
【請求項２１】 可視光線及び／又は紫外光線の照射下に水性媒体中で前記有機化合物を分解する、請求項１５に記載した燃料電池。
【請求項２２】 常温、常圧下で前記有機化合物を分解する、請求項１５に記載した燃料電池。
【請求項２３】 分解時の前記有機化合物の酸化を促進する酸化還元電位を示す助触媒が前記光化学触媒に添加されている、請求項１５に記載した燃料電池。
【請求項２４】 前記有機化合物の分解時に、還元による水素の発生を促進させる物質が前記光化学触媒に添加されている、請求項１５に記載した燃料電池。
[Claims]
1. A soot containing a fullerene molecule represented by C n (where n is an integer capable of geometrically forming a spherical carbon compound), and an atom having an unshared electron pair and hydrogen. A photochemical catalyst used to decompose an organic compound containing atoms and molecules in a molecule under light irradiation.
2. The photochemical catalyst according to claim 1, wherein the fullerene molecule has an even carbon number of n ≧ 60 and is contained in the soot in an amount of 2 to 5% by weight.
3. The photochemical catalyst according to claim 1, which exhibits a catalytic activity under irradiation of visible light and / or ultraviolet light and is stable in an aqueous medium.
4. A room temperature, decompose the organic compound under normal pressure, photochemical catalyst according to claim 1.
During decomposition according to claim 5 wherein said organic compound, co-catalyst showing a redox potential of promoting the oxidation is added, photochemical catalyst according to claim 1.
Wherein said material to promote the generation of hydrogen by reductive upon degradation of the organic compound is added, photochemical catalyst according to claim 1.
7. The liquid was suspended soot containing the fullerene molecule, or porous the form impregnated into the body, photochemical catalyst according to claim 1.
8. A soot containing a fullerene molecule represented by C n (where n is an integer capable of geometrically forming a spherical carbon compound) as a photochemical catalyst. A photochemical decomposition method in which an organic compound containing an atom having a lone pair and a hydrogen atom in a molecule is decomposed under light irradiation.
9. have carbon number of even the fullerene molecule n ≧ 60, are contained 2-5 wt% in said soot, photochemical decomposition method described in claim 8.
10. The photochemical decomposition method according to claim 8 , wherein the organic compound is decomposed in an aqueous medium under irradiation with visible light and / or ultraviolet light.
11. room temperature, decompose the organic compound under normal pressure, photochemical decomposition method described in claim 8.
12. addition of co-catalyst showing a redox potential of promoting the oxidation of the organic compounds during decomposition, photochemical decomposition method described in claim 8.
13. addition of substances to promote the generation of hydrogen by reductive upon degradation of the organic compound in the photochemical catalyst, photochemical decomposition method described in claim 8.
14. The photochemical decomposition method according to claim 8 , wherein the photochemical catalyst in a form in which a soot containing the fullerene molecule is suspended or a porous body is impregnated is used.
15. A fuel cell comprising a laminated structure of a negative electrode and an electrolyte and the positive electrode, Cn (where, n is geometrically an integer that can form a spherical carbon compound.) Containing fullerene molecule represented by A photochemical catalyst made of soot is disposed, and the organic compound containing an atom having an unshared electron pair and a hydrogen atom in the molecule is irradiated with light in a state where the organic compound is in contact with the photochemical catalyst to decompose the organic compound. A fuel cell configured to supply hydrogen generated by the above to the negative electrode.
16. The fuel cell according to claim 15 , wherein said photochemical catalyst is disposed in contact with said negative electrode.
17. The fuel cell according to claim 15 , wherein hydrogen generated in a photochemical decomposition section that decomposes the organic compound is guided to the negative electrode.
18. The liquid was suspended soot containing fullerene molecule, or the photochemical catalyst in the form of impregnated into the porous body is used, a fuel cell according to claim 15.
19. taken out hydrogen generated as a current electronic supplies to the negative electrode as a hydrogen ion, and, directing the hydrogen ions to the positive electrode through the electrolyte, wherein oxygen is reduced by the electrons react with the hydrogen ions The fuel cell according to claim 15 , wherein the fuel cell is caused to generate water.
20. The fuel cell according to claim 15 , wherein the fullerene molecule has an even carbon number of n ≧ 60 and is contained in the soot in an amount of 2 to 5% by weight.
21. The fuel cell according to claim 15 , wherein the organic compound is decomposed in an aqueous medium under irradiation with visible light and / or ultraviolet light.
22. room temperature, decompose the organic compound under normal pressure, the fuel cell according to claim 15.
23. The fuel cell according to claim 15 , wherein a cocatalyst exhibiting an oxidation-reduction potential for accelerating the oxidation of the organic compound during decomposition is added to the photochemical catalyst.
During decomposition of 24. The organic compounds, substances to promote the generation of hydrogen by reduction are added to the photochemical catalyst, a fuel cell according to claim 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15948399A JP4302819B2 (en) | 1999-06-07 | 1999-06-07 | Photochemical catalyst, photochemical decomposition method, and fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15948399A JP4302819B2 (en) | 1999-06-07 | 1999-06-07 | Photochemical catalyst, photochemical decomposition method, and fuel cell |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000342977A JP2000342977A (en) | 2000-12-12 |
| JP2000342977A5 true JP2000342977A5 (en) | 2006-03-23 |
| JP4302819B2 JP4302819B2 (en) | 2009-07-29 |
Family
ID=15694766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15948399A Expired - Fee Related JP4302819B2 (en) | 1999-06-07 | 1999-06-07 | Photochemical catalyst, photochemical decomposition method, and fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4302819B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002041432A1 (en) | 2000-11-14 | 2002-05-23 | Fullerene Usa, Inc. | Fuel cell |
| CA2467443C (en) * | 2001-11-29 | 2012-01-10 | Wisconsin Alumni Research Foundation | Low-temperature hydrogen production from oxygenated hydrocarbons |
| US6699457B2 (en) * | 2001-11-29 | 2004-03-02 | Wisconsin Alumni Research Foundation | Low-temperature hydrogen production from oxygenated hydrocarbons |
| GB0329240D0 (en) * | 2003-12-18 | 2004-01-21 | Boc Group Plc | Fuel cell |
| JP5273113B2 (en) * | 2004-03-23 | 2013-08-28 | カシオ計算機株式会社 | Electronics |
| JP2008104922A (en) * | 2006-10-24 | 2008-05-08 | Nippon Sheet Glass Co Ltd | Photocatalytic material and its manufacturing method, and chemical substance decomposition method |
| CN104694153B (en) * | 2013-12-05 | 2016-08-17 | 中国科学院大连化学物理研究所 | Cage fullerenes is the fuel oil photooxidation processing method of photosensitizer |
| CN116253607B (en) * | 2023-03-17 | 2024-07-30 | 华东师范大学 | Construction method and application of catalyst-free 172nm photochemical reaction system |
-
1999
- 1999-06-07 JP JP15948399A patent/JP4302819B2/en not_active Expired - Fee Related
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