Dye Sensitized Solar Cells (DSSC)

26. Publication number : 2008-071749
Date of publication of application : 27.03.2008
Application number : 2007-210121
Applicant : YOKOHAMA RUBBER CO LTD:THE
Date of filing : 10.08.2007
Inventor : MARUYAMA TSUKASA
Title: DYE-SENSITIZED SOLAR CELL, AND ITS ELECTROLYTE
Abstract: To reduce the content of clay necessary for gelating an electrolyte of a dye-sensitized solar cell.
A gel-like or solid electrolyte contains (i) an electrolyte solution prepared by dissolving the electrolyte in organic solvent, (ii) a lamellar clay mineral and/or an organically modified lamellar clay mineral, and (iii) a polyvalent onium salt compound, and a photoelectric transducer element and the dye-sensitized solar cell use the gel-like or solid electrolyte.
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25. Publication number : 2008-071585
Date of publication of application : 27.03.2008
Application number : 2006-248262
Applicant : NOF CORP
Date of filing : 13.09.2006
Inventor : UCHIDA SATOSHI, SANEHIRA YOSHITAKA, SAWADA KOHEI
NOMURA HIDEYUKI, YUGAWA KAYOKO, AMAYA NAOYUKI
Title: MANUFACTURING METHOD OF ELECTRODE FOR DYE-SENSITIZED SOLAR CELL
Abstract: To provide a manufacturing method of an electrode for a dye-sensitized solar cell with high photoelectric conversion efficiency (?), by preventing degradation of short-circuiting current density (Jsc) of an under-coating layer of a metal oxide film between a metal oxide transparent conductive layer and a semiconductor particle layer.
Monocarboxylic acid metal salt solution as salt of monocarboxylic acid and metal belonging to a II to V group in the periodic table is coated between a metal oxide transparent conductive layer and a semiconductor particle layer, is baked after a solvent is removed, and an under-coat layer of a metal oxide film is formed, in the manufacturing method of the electrode for a dye-sensitized solar cell.
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24. Publication number : 2008-071535
Date of publication of application : 27.03.2008
Application number : 2006-247112
Applicant : KYUSHU INSTITUTE OF TECHNOLOGY, NIPPON STEEL CHEM CO LTD
Date of filing : 12.09.2006
Inventor : KONO MITSURU, YAMAGUCHI YOSHIHIRO, HAYASE SHUJI
Title: PHOTOELECTRIC CONVERSION ELEMENT AND ITS MANUFACTURING METHOD
Abstract: To provide a method of effectively absorbing dyes with different absorption wavelengths on the surface of titanium oxide constituting semiconductor electrodes 3, 4, and thereby, obtain a dye-sensitized solar cell with high photoelectric conversion efficiency.
In the photoelectric conversion elements having semiconductor electrodes sensitized with two or more kinds of dyes with different absorption wavelengths can be obtained by having the dyes for dye sensitization absorbed on semiconductors in super-critical carbon dioxide fluid or fluid containing carbon dioxide and an organic solvent in a compressed state under super-critical conditions of carbon dioxide. As the organic solvent, C1 to C4 alcohol, carbonate, ether, nitril or the like are preferable.
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23. Publication number : 2008-066212
Date of publication of application : 21.03.2008
Application number : 2006-245106
Applicant : TORAY IND INC
Date of filing : 11.09.2006
Inventor : OTA KAZUYOSHI, TANAKA SHOTARO, TAKADA HAGUMU
Title: CONDUCTIVE SUBSTRATE FOR DYE-SENSITIZED SOLAR CELL
Abstract: To provide a transparent conductive board with corrosion resistance for electrolyte used for a dye-sensitized solar cell.
The conductive board has a first conductive layer formed in a mesh form and a second conductive layer structured of conductive resin covering the first conductive layer laminated in that order at least on one face of the board.
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22. Publication number : 2008-065999
Date of publication of application : 21.03.2008
Application number : 2006-239498
Applicant : FUJIKURA LTD
Date of filing : 04.09.2006
Inventor : OKADA KENICHI, KITAMURA TAKAYUKI, SHIBATA HIDEYUKI
Title: SOLAR CELL MODULE AND ITS MANUFACTURING METHOD
Abstract: To provide a solar cell module improved in power generation efficiency by suppressing reverse electron movement without increasing an internal resistance.
The solar cell module is constructed by having a porous oxide semiconductor layer 5 carrying sensitizing dyes, and comprises a first electrode functioning as a window electrode and a second electrode arranged opposed to the first electrode through an electrolyte layer at least at a part, and a first base material having the first electrode or a second base material having the second electrode has a partition part to separate adjoining unit cells. In the first base material, a first conductive layer consisting of a transparent conductive film and a second conductive layer consisting of a tin oxide film are arranged overlapped in the order in a region to make partition parts.
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21. Publication number : 2008-065998
Date of publication of application : 21.03.2008
Application number : 2006-239497
Applicant : FUJIKURA LTD Date of filing : 04.09.2006
Inventor : OKADA KENICHI, KITAMURA TAKAYUKI, MATSUI HIROSHI
Title: SOLAR CELL MODULE AND ITS MANUFACTURING METHOD
Abstract: To provide a solar cell module improved in lifetime by reducing interface separation at partition parts.
The solar cell module is constructed by having a porous oxide semiconductor layer 5 carrying sensitizing dyes, and comprises a first electrode functioning as a window electrode and a second electrode arranged opposed to the first electrode through an electrolyte layer at least at a part. A first base material having the first electrode or a second base material having the second electrode has a partition part. A first oxide film 3 and a second oxide film 8 are respectively arranged on the faces on the opposed sides of the first base material 2 and the second base material 7. So as to correspond to each unit cell 20, a first conductive film 4 is arranged overlapping locally on the first oxide film and a second conductive film 9 is arranged overlapping locally on the second oxide film. Out of adjoining unit cells, the first conductive film to constitute one unit cell and the second conductive film to constitute the other unit cell are jointed by a conductive adhesive member 13 arranged between them on the top face of the partition parts.

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19. Publication number : 2008-063226
Date of publication of application : 21.03.2008
Application number : 2006-239249
Applicant : NARD INST LTD, OSAKA PREFECTURE UNIV
Date of filing : 04.09.2006
Inventor : NAKASUMI HIROYUKI, GODA SHIN
Title: ANTHRAQUINONECARBOXYLIC ACID DERIVATIVE, DYE SENSITIZATION TYPE OXIDE-BASED SEMICONDUCTOR ELECTRODE USING THE SAME AND DYE SENSITIZATION TYPE SOLAR CELL
Abstract: To develop a novel anthraquinonecarboxylic acid derivative which exhibits excellent performance as a solar cell sensitizing dye, and furthermore to provide a dye sensitization type solar cell using the anthraquinonecarboxylic acid derivative.
The anthraquinonecarboxylic acid derivative is represented by the formula of a figure (wherein R is a phenyl group whose hydrogens may be partially substituted with a halogen group, a lower alkyl group or the like). A dye sensitization type oxide-based semiconductor and the dye sensitization type solar cell use this anthraquinonecarboxylic acid derivative.
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18. Publication number : 2008-062181
Date of publication of application : 21.03.2008
Application number : 2006-242619
Applicant : GIFU UNIV, TEIJIN DUPONT FILMS JAPAN LTD, KITAGAWA IND CO LTD
Date of filing : 07.09.2006
Inventor : YOSHIDA TSUKASA, MINOURA HIDEKI, HIMORI YOSUKE,
TSUKANO YU, WATANABE MASAYA, FURUTA TAKESHI
Title: METHOD FOR MANUFACTURING POROUS ZINC OXIDE ELECTRODE AND DYE-SENSITIZED SOLAR CELL
Abstract: To provide a method for producing a highly capable porous metal oxide electrode with no need of heat treatment at a high temperature or severe reaction conditions such as a strong acid, a strong base, or the like and also provide a dye-sensitized solar cell excellent in various capabilities such as photoelectric conversion efficiency, short-circuiting photoelectric current, open circuit voltage, and curvilinear factor.
The porous metal oxide electrode is produced by a method involving a step of immersing a fine particle film of zinc oxide formed on a substrate in an immersion liquid containing a polar solvent as a main component. The immersion liquid contains preferably at least one compound selected from a group consisting of metal oxides, metal salt compounds, and metal alkoxides. Metal elements contained in the metal oxides, metal salt compounds, and metal alkoxides are zinc and metal elements having a band gap wider than that of zinc oxide in form of their oxides and a conduction band level more basic than that of zinc oxide. The dye-sensitized solar cell comprises a photoelectrode obtained by depositing a sensitizing dye in the porous zinc oxide electrode.
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17. Publication number : 2008-059956
Date of publication of application : 13.03.2008
Application number : 2006-237073
Applicant : SEKISUI JUSHI CO LTD
Date of filing : 31.08.2006
Inventor : YUASA MASAYA, KISAKA SEI
Title: DYE-SENSITIZED SOLAR CELL
Abstract: To provide a dye-sensitized solar cell hardly suffering from degradation of energy conversion efficiency, even in case a halogen simple substance is used as a component of an electrolyte layer.
As halogenated quaternary alkylammoniums and a halogen simple substance with a density of 0.17 M or more are contained in electrolyte solution of an electrolyte layer 1, the halogen simple substance is hard to be decomposed by moisture, so that, even in case the halogen simple substance is used as a component of the electrolyte layer 1, degradation of energy conversion efficiency is made hard to take place.
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16. Publication number : 2008-059854
Date of publication of application : 13.03.2008
Application number : 2006-234206
Applicant : TOKAI RUBBER IND LTD
Date of filing : 30.08.2006
Inventor : SHIMIZU TOYOFUMI, TAKASU HIDEKI
Title: RESIN COMPOSITION FOR SEALER OF DYE SENSITIZED SOLAR CELL, AND SEALER OF DYE SENSITIZED SOLAR CELL USING THE SAME
Abstract: To provide a resin composition for sealer of a dye sensitized solar cell, along with the sealer of dye sensitized solar cell using the same, which is resistant to an electrolyte used in a dye sensitized solar cell, being excellent in gas barrier performance, has excellent workability, curable in one component, and has reliable sealing performance.
S The resin composition for a sealer seals an electrolyte of a dye sensitized solar cell. The resin composition for a sealer of a dye sensitized solar cell has as a main component a reactive product between a main agent of linear fluoropolyether compound that has at least two hydroxyl groups in one molecule and has perfluoropolyether structure in the principal chain of the molecule (A), and a curing agent of silicate compound (B).
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15. Publication number : 2008-059851
Date of publication of application : 13.03.2008
Application number : 2006-233974
Applicant : SANYO ELECTRIC CO LTD
Date of filing : 30.08.2006
Inventor : FUJISHIMA DAISUKE
Title: DYE-SENSITIZED SOLAR CELL
Abstract: To provide a dye-sensitized solar cell capable of suppressing deterioration of a photoelectric transfer performance due to short circuit by preventing leakage current, without requiring a high temperature treatment in a manufacturing process.
The dye-sensitized solar cell is provided with an electrode layer 2, a photoelectric transfer layer 6 consisting of a porous semiconductor layer which is formed on the electrode layer to absorb dyes 5, a counter electrode 8 installed so as to be opposed to the electrode layer, and a charge transporting layer 7 to be arranged between the photoelectric transfer layer and the counter electrode. A short circuit preventative layer 3 consisting of fluorocarbon is installed between the charge transporting layer 7 and the electrode layer 2.
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14. Publication number : 2008-053042
Date of publication of application : 06.03.2008
Application number : 2006-227937
Applicant : UNIV NAGOYA
Date of filing : 24.08.2006
Inventor : MORI TATSUO, MURAYAMA MASAKI
Title: PIGMENT SENSITIZED SOLAR CELL
Abstract: : To provide a dye-sensitized solar cell capable of converting incident light into electric energy by efficiently absorbing (utilizing) it.
The dye-sensitized solar cell 1 has a first anode 10 having a first sensitizing dye 24 and a second anode 30 having a second sensitizing dye 44 different from the first sensitizing dye arranged separated in front and rear direction. A cathode 50 (typically mesh electrode) is arranged between both anodes 10, 30. By these electrodes 10, 30, 50, a solar cell 1 in which two sub cells 6, 7 connected electrically in parallel are superposed in front and rear is formed. Thereby, light L2 which has transmitted through the first anode 10 is introduced efficiently into the second anode 30 and furthermore, energy can be taken out from the light L2.

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13. Publication number : 2008-053024
Date of publication of application : 06.03.2008
Application number : 2006-227374
Applicant : TOYO SEIKAN KAISHA LTD
Date of filing : 24.08.2006
Inventor : YAMAMOTO NAOTADA, SATO KAZUHIRO
Title: DYE-SENSITIZED SOLAR BATTERY
Abstract: To provide a dye-sensitized solar battery in which a power is generated by a light irradiation from a counter electrode side of a negative electrode structure and a lowering of a curvature factor (FF) due to an enlarged cell and a conversion efficiency are prevented, and furthermore, a durability is excellent and a stable conversion efficiency for a long period can be secured and a problem of a rectification barrier can be solved.
The dye-sensitized solar battery is composed of the negative electrode structure 20 and a counter electrode structural body 21 provided with a transparent conductive base plate, and the negative electrode structure 20 has a metallic base plate 25 and an oxide semiconductor layer 29 in which a coloring dye 30 formed on the metallic base plate 25 is carried, and on a surface of the metallic base plate 25 on which the oxide semiconductor layer 29 is formed, there is formed a chemical conversion treated membrane 27.
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12. Publication number : 2008-041320
Date of publication of application : 21.02.2008
Application number : 2006-211131
Applicant : HITACHI LTD
Date of filing : 02.08.2006
Inventor : OKUMURA SOUBUN, YOSHIMOTO NAOKI
Title: ELECTROLYTE COMPOSITION FOR DYE-SENSITIZED SOLAR CELL
Abstract: To provide a solid or gel state electrolyte composition, with small deterioration in the output, when it is applied to a dye-sensitized solar cell.
The electrolyte composition containing a redox pair and a compound having elements that can be coordinate-bonded with the composition of the redox pair is provided. The redox pair preferably contains iodine and iodine compound. The element is preferably boron or nitrogen.

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11. Publication number : 2008-041258
Date of publication of application : 21.02.2008
Application number : 2006-209644
Applicant : FUJIKURA LTD
Date of filing : 01.08.2006
Inventor : MATSUI HIROSHI, TANABE NOBUO
Title: SUBSTRATE FOR ACTION ELECTRODE, AND PHOTOELECTRIC CONVERSION ELEMENT
Abstract: To provide a substrate for an action electrode which is made light-weighted while maintaining substrate strength and superior power generation characteristics, and furthermore in which architecture of a large area photoelectric conversion element is made possible, and the light-weighted large area photoelectric conversion element having a superior element output.
In the substrate 8 for the action electrode, a transparent base material 2 having a porous oxide semiconductor layer 5 in which sensitized dyes are carried on a surface via a transparent conductive layer 4 has the first base material 21 positioned on the porous oxide semiconductor layer side and at least one or more of the second base material 22 stacked and arranged on the first base material, and the second base material has a constitution that the base material of a smaller specific gravity than that of the first base material is contained. Moreover, this is made as the photoelectric conversion element (dye-sensitized solar cell) 1 by pinching an electrolyte layer 6 at least to one part between this substrate for the action electrode and a counter electrode substrate 9 arranged opposing to the porous oxide semiconductor layer provided at the substrate for the action electrode.
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10. Publication number : 2008-034327
Date of publication of application : 14.02.2008
Application number : 2006-209454
Applicant : SEKISUI JUSHI CO LTD
Date of filing : 01.08.2006
Inventor : FUJISHITA YOSHIYA
Title: SANITARY DEVICE WITH SOLAR CELL
Abstract: To provide a sanitary device with a solar cell in which the work related to installation is made simple and easy, and moreover the degree of spoiling of appearance caused by the solar cell is small.
A sanitary article S which is a lid body 1A3 and a solar cell 2 are integrally formed, and the solar cell 2 can be installed simply and easily in providing a toilet bowl 1A provided as the sanitary device. Moreover, by means that the solar cell 2 is integrally provided with the sanitary article S, a sense of togetherness can be obtained and the degree of the spoiling the appearance caused by the solar cell 2 becomes small. Moreover, if the solar cell 2 is a dye-sensitized solar cell, design performance is enhanced as an optional color tone, and the degree of spoiling the appearance caused by the solar cell 2 can be made further smaller.
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9. Publication number : 2008-034110
Date of publication of application : 14.02.2008
Application number : 2006-202738
Applicant : NISSHIN STEEL CO LTD
Date of filing : 26.07.2006
Inventor : IWATA HIROSHI, ANAMI KATSUMASA, TAKAHASHI KAZUHIKO
Title: ELECTRODE MATERIAL OF DYE-SENSITIZED SOLAR CELL
Abstract: To provide an electrode material of a dye-sensitized solar cell which is made of a metallic material of low cost.
The electrode material of the dye-sensitized solar cell is composed of a ferrite system steel which has a composition in which in mass%, C:0.15% or less, Si:1.2% or less, Mn:1.2% or less, Cr:17-32%, Mo:0.8-3%, and N:0.025% and, as required, which includes one kind or more of Cu:1% or less, Nb:1% or less, and Ti:1% or less, and the rest is, in substance, Fe; or austenite system steel or austenite+ferrite two-phase steel which has a composition in which C:0.15% or less, Si:4% or less, Mn:2.5% or less, Ni:3-28%, Cr:17-32%, Mo:0.8-7%, N:0.30.3% or less, and, as required, which includes one kind or more of Cu:3.5% or less, Nb:1% or less, and Ti:1% or less, and the rest is, in substance, Fe.
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8. Publication number : 2008-021600
Date of publication of application : 31.01.2008
Application number : 2006-194257
Applicant : MEIDENSHA CORP
Date of filing : 14.07.2006
Inventor : OBA HIRONORI
Title: DIE-SENSITIZED SOLAR CELL AND ITS MANUFACTURING METHOD
Abstract: To maintain cell characteristics for a long period by preventing leakage of an electrolytic solution.
A method of manufacturing a dye-sensitized solar cell 1 includes a metal cell container 10 into which the electrolytic solution 14 is filled, a terminal 17 for current collection which is penetrated and supported at the bottom part of this metal cell container 10, a glass base board 11 in which a grit 111 for current collection contacted with this terminal 17 for current collection is formed, and a sealing member 15 into which this glass board 11 is fitted and which seals an opening of the metal cell container 10. The method has a step of fitting the glass board 11 into the sealing member 15 and of making this sealing member 15 cooled and shrunk, and a step of sealing the opening by swelling of the sealing member 15 and shrinkage of the metal cell container 10 by homogenizing temperatures of the sealing member 15 and the metal cell container 10 after incorporating the cooled and shrunk sealing member 15 into the opening of the metal cell container 10 heated and swollen in advance.
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7. Publication number : 2008-021496
Date of publication of application : 31.01.2008
Application number : 2006-191458
Applicant : NIPPON KAYAKU CO LTD
Date of filing : 12.07.2006
Inventor : SHIGAKI KOICHIRO, KANEKO SHOGEN, MAENOSONO AKIRA,
HOSHI HISASHI, INOUE TERUHISA
Title: DYE-SENSITIZED PHOTOELECTRIC CONVERSION ELEMENT
Abstract: To provide an inexpensive solar cell having high conversion efficiency.
The solar cell is carried with metal complex dye represented by formula (1).

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6. Publication number : 2008-021429
Date of publication of application : 31.01.2008
Application number : 2006-189934
Applicant : MEIDENSHA CORP
Date of filing : 11.07.2006
Inventor : OBA HIRONORI
Title: DYE-SENSITIZED SOLAR CELL, AND ITS MANUFACTURING METHOD
Abstract: To prevent leakage of an electrolytic solution from occurring over a long period.
A cell 11 is constituted of a glass base material 12 and a bowl-like metal cell body 13 to become to a cell structure. The glass base material for the cell is formed at the glass base material 12 by mounting a Koval frame (metal frame) 1. This glass base material for the cell is fitted into the metal cell body 13, and the metal frame 15 and the metal cell body 13 are welded by electron beam welding by filling an electrolytic solution 14 into the metal cell body 13. When the glass base material for the cell is fitted into the metal cell body 13, this is inserted as the spacer 16 in order to retain a distance between electrodes. On the bottom face of the metal cell body 13, in order to take out an electromotive force generated inside the cell body outside, current terminals 18, 18 are installed at a taking-out port, and this taking-out port is sealed by using sealing plugs 19, 19. In addition, O-rings 20, 20 are installed at the current terminals 18, 18.
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5. Publication number : 2008-021018
Date of publication of application : 31.01.2008
Application number : 2006-190642
Applicant : SONY CORP
Date of filing : 11.07.2006
Inventor : NAGAI SHOJI, ODAKA KENTARO, ISHIBASHI YOSHITO
KUBONO FUMIO
TitleL INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND PROGRAM
Abstract: To save occupancy space and to improve operability by using a power generation element represented by a colorable dye-sensitized solar cell as a user interface.
Dye-sensitized photovoltaic cells 11-A to 11-D are configured to convert irradiation rays of light into power, and to function as user interfaces colored in blue, red, green or yellow. More specifically, when any of the dye sensitization type photovoltaic cells 11-A to 11-D colored in different colors is covered with the finger of a user, this is detected as the selecting operation of the user, and processing corresponding to the operation is performed. The present invention is applicable to any and all electronic equipment equipped with a power generation element typified by the solar cell.
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4. Publication number : 2008-016405
Date of publication of application : 24.01.2008
Application number : 2006-188918
Applicant : KYUSHU INSTITUTE OF TECHNOLOGY, NIPPON STEEL CHEM CO LTD
Date of filing : 10.07.2006
Inventor : SHIRATO RYUICHI, OKUBO SUEHIRO, HAYASE SHUJI
YAMAGUCHI YOSHIHIRO
Title: DYE-SENSITIZED SOLAR CELL AND MANUFACTURING METHOD THEREFOR
Abstract: To provide a dye-sensitized solar cell capable of obtaining high transfer efficiency, even when the thickness of a porous semiconductor layer is made large or the like, and to provide its manufacturing method.
: The dye-sensitized solar cell 10 is provided with a transparent substrate 12, a transparent conductive film 14, and a conductive substrate constituted of a conductive film 16 and a substrate 18, and has a porous semiconductor layer 20 and an electrolyte 22, having an absorbed dye between the transparent conductive film 14 and the conductive substrate. The porous semiconductor layer 20 is constituted of a conductive layer portion 20a, having tin oxide as a main component, a first porous semiconductor layer portion 20b installed on the surface on the side facing the transparent substrate 14 of the conductive layer portion 20a and a second porous semiconductor layer portion 20c installed on the other surface of the conductive layer portion 20a. The conductive layer portion 20a has a through hole 21 and is electrically connected to the transparent conductive film 14.

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3. Publication number : 2008-016351
Date of publication of application : 24.01.2008
Application number : 2006-187014
Applicant : SHARP CORP
Date of filing : 06.07.2006
Inventor : FUKUYA NOBUHIRO, YAMANAKA RYOSUKE, FUKUI ATSUSHI
Title: DYE-SENSITIZED SOLAR BATTERY MODULE AND ITS MANUFACTURING METHOD
Abstract: To provide a dye-sensitized solar battery module high in an integration rate and high in photoelectric conversion efficiency.
The dye-sensitized solar battery module is provided with substrates 1, 2, electrodes 3, a photoelectric transducer S1 formed on each electrode 3, an inter-cell insulating layer 7 formed between the mutual photoelectric transducers S1, electrodes 62 each formed from above the one photoelectric transducer over to the electrode 3 under another neighboring photoelectric transducer beyond the inter-cell insulating layer 7, an inter-cell sealing layer 11 formed between the substrate 2 directly or via the electrode 62 on the inter-cell insulating layer 7, and a sealing layer 9 formed on the outer periphery between the substrates 1, 2, in which the photoelectric transducer has a photoelectric conversion layer 4 composed of a die-adsorbed porous semiconductor layer, a porous insulating layer 5 containing an electrolyte, and a catalyst layer 61, in which the photoelectric transducer is contacted with the inter-cell insulating layer, in which the inter-cell insulating layer is composed of a film not permeating the electrolyte and arranged between the neighboring electrodes 3, and in which the inter-cell sealing layer is arranged at a position overlapped with the inter-cell insulating layer.
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2. Publication number : 2008-015102
Date of publication of application : 24.01.2008
Application number : 2006-184688
Applicant : SONY CORP
Date of filing : 04.07.2006
Inventor : ISHIBASHI YOSHITO, ODAKA KENTARO,
NAGAI SHOJI, KUBONO FUMIO
Title: ELECTRONIC DEVICE
Abstract: To layer a display and a solar cell so that a display content of the display is not affected by power generation efficiency of the solar cell.
SOLUTION: A red color light-degraded solar cell block 29 of a dye-sensitized solar cell 28 is always irradiated with light except red color light among radiation light transmitted by a full color electronic paper 21. A blue color light-degraded solar cell block 30 is irradiated with light except blue color light among the radiation light transmitted by the full color electronic paper 21. A green color light-degraded solar cell block 31 is always irradiated with light except green color light among the radiation light transmitted by the full color electronic paper 21. The invention can be applied to an IC card and a compact electronic device.

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1. Publication number : 2008-004408
Date of publication of application : 10.01.2008
Application number : 2006-173362
Applicant : KORUMOSU:KK
Date of filing : 23.06.2006
Inventor : OBATA MIKIO, OBATA EMI
Title: SOLAR CELL, AND ITS MANUFACTURING METHOD
Abstract: To provide a solar cell including a dye-sensitized solar cell without being damaged even by washing; and to provide its manufacturing method.
This solar cell 10 includes: a base material 12; a first resin layer 14 formed on the base material 12 by silkscreen printing; a first electrode 16 formed on the first resin layer 14; a power generation layer 18 formed on the first electrode 16, including iodine, dye and titanium oxide, and generating power by bringing light therein; a second electrode 20 formed on the power generation layer 18; and a second resin layer 24 covering the first electrode 16, the power generation layer 18 and the second electrode 20, and closely attached to a peripheral part of the first resin layer 14.
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