GB2581297A - Algal-alginate film for bio-photovoltaic device - Google Patents

Algal-alginate film for bio-photovoltaic device Download PDF

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Publication number
GB2581297A
GB2581297A GB2006313.7A GB202006313A GB2581297A GB 2581297 A GB2581297 A GB 2581297A GB 202006313 A GB202006313 A GB 202006313A GB 2581297 A GB2581297 A GB 2581297A
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GB
United Kingdom
Prior art keywords
algal
alginate
conducting
conducting layer
semi
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.)
Granted
Application number
GB2006313.7A
Other versions
GB2581297B (en
GB202006313D0 (en
Inventor
Moi Phang Siew
Periasamy Vengadesh
Lee Ng Fong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Of Malaya, University of
Universiti Malaya
Original Assignee
Of Malaya, University of
Universiti Malaya
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Application filed by Of Malaya, University of, Universiti Malaya filed Critical Of Malaya, University of
Publication of GB202006313D0 publication Critical patent/GB202006313D0/en
Publication of GB2581297A publication Critical patent/GB2581297A/en
Application granted granted Critical
Publication of GB2581297B publication Critical patent/GB2581297B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20Light-sensitive devices
    • H01G9/2059Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8825Methods for deposition of the catalytic active composition
    • H01M4/8828Coating with slurry or ink
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/16Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/761Biomolecules or bio-macromolecules, e.g. proteins, chlorophyl, lipids or enzymes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/542Dye sensitized solar cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/549Organic PV cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

An algal-alginate film to be utilized in a Bio-photovoltaic device to generate bioelectricity. The algal-alginate film includes algal cells and a glass substrate with a semi-conducting or conducting layer. The algal cells are immobilized by utilizing sodium alginate, and adding sodium alginate powder into sterile distilled water and continuously stirred for a predefined time duration. The algal cells are harvested by centrifugation process in a logarithmic growth phase at 2000 RPM for 10 minutes and suspended in BBM to form a concentrated algal alginate suspension. The algal alginate suspension is spread over the semi-conducting or conducting layer. Then Sterile CaCl₂sprayed on the algal alginate suspension surface to accomplish gelation process between 60 minutes and 80 minutes to form a 2-millimeter thick algal-alginate film on the semi-conducting or conducting layer. Then the anode of the semi-conducting or conducting layer with the algal-alginate film is rinsed with sterile distilled water to remove the Sterile CaCl₂

Claims (13)

1. An alga! -alginate film for a Bio-photovoltaic (BPV) device for generating bioelectricity, the algal-alginate film comprising: a plurality of algal cells immobilize by utilizing a pre-defmed amount of sodium alginate, and adding a pre-defmed amount of sodium alginate powder into a pre- defmed amount of sterile distilled water and continuously stir for a predefined time duration, wherein the algal cells are harvested by a centrifugation process in a logarithmic growth phase at 2000 revolutions per minute (RPM) for 10 minutes and suspended in a Boldâ s Basal Medium (BBM) to form a concentrated algal alginate suspension; and a glass substrate with a semi-conducting layer or a conducting layer with a predefined dimension, a predefined thickness, a sheet resistance and conductivity, wherein the algal alginate suspension is spread over the semi-conducting or conducting layer, thereafter, Calcium chloride (Sterile CaCb) sprayed on the algal alginate suspension surface to accomplish a gelation process between 60 minutes and 80 minutes in order to form a 2 millimeter thick algal-alginate film on the semi -conducting or conducting layer, further an anode of the semi-conducting or conducting layer with the algal -alginate film is rinsed with sterile distilled water to remove the Calcium chloride (Sterile CaCL).
2, The algal-alginate film according to claim 1, wherein the plurality of algal cells are selected from at least one of Chlorella sp., Synechococcm sp., Spiruima sp., and/or combination thereof.
3. The algal-alginate film according to claim 1, wherein the semi-conducting or conducting layer is selected from at least one of Indium Tin Oxide (1TO), reduced graphene oxide (rGO) and/or combination thereof.
4, The algal -alginate film according to claim 3, wherein the predefined amount of the sodium alginate is at least 1.5 percent.
5. The algal-alginate film according to claim 1, wherein the predefined amount of sodium alginate powder is at least 1.5 gram.
6. The algal -alginate film according to claim 1, further includes an algal inoculum size of 10% standardized at an optical density (OD) of 1.0 at 620 nanometers (OD3⁄420nm - 1 -0) in the logarithmic growth phase,
7. The algal-alginate film according to claim 1, wherein the predefined time duration is in between 8 hours and 10 hours.
8. A method for producing an algal-alginate film for a Bio-photovoltaic (BPV) device for generating bioelectricity, the method comprising steps of: immobilizing a plurality of algal cells by utilizing a pre-defmed amount of sodium alginate; adding a pre-defined amount of sodium alginate powder into a pre-defmed amount of sterile distilled water and continuously stir for a predefined time duration, wherein the algal cells are harvested by a centrifugation process in a logarithmic growth phase at 2000 revolutions per minute (RPM) for 10 minutes and suspended in a Boldâ s Basal Medium (BBM) to form a concentrated algal alginate suspension; utilizing a glass substrate with a semi-conducting coated layer or a conducting layer with a predefined dimension, a predefined thickness, a sheet resistance and conductivity, wherein the algal alginate suspension is spread over the semiconducting coated layer or the conducting layer; spraying Calcium chloride (Sterile CaCl2) on the algal alginate suspension surface to accomplish a gelation process between 60 minutes and 80 minutes in order to form a 2-millimeter thick algal-alginate film on the semi-conducting layer or the conducting layer; and rinsing an anode of the semi-conducting layer or the conducting layer with the algal -alginate film and sterile distilled water to remove the Calcium chloride (Sterile CaCl2).
9. The method according to claim 8, wherein the plurality of algal cells are selected from at least one of Chlorel!a sp., Synechococcm sp.. Spirulina sp., and/or combination thereof.
10. The method according to claim 8, wherein the semi-conducting coated layer or the conducting layer is selected from at least one of Indium Tin Oxide (I TO), reduced graphene oxide (rGO) and/or combination thereof.
11. The method according to claim 8, wherein the predefined amount of the sodium alginate is at least 1.5 percent.
12. The method according to claim 8, wherein the predefined amount of sodium alginate powder is at least 1.5 gram.
13. The method according to claim 8, wherein the predefined time duration is in between 8 hours and 10 hours.
GB2006313.7A 2017-11-16 2019-01-15 Algal-alginate film for bio-photovoltaic device Expired - Fee Related GB2581297B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MYPI2017704358A MY185305A (en) 2017-11-16 2017-11-16 Algal-alginate film for bio-photovoltaic device
PCT/MY2019/000005 WO2019098821A2 (en) 2017-11-16 2019-01-15 Algal-alginate film for bio-photovoltaic device

Publications (3)

Publication Number Publication Date
GB202006313D0 GB202006313D0 (en) 2020-06-10
GB2581297A true GB2581297A (en) 2020-08-12
GB2581297B GB2581297B (en) 2022-10-05

Family

ID=66537871

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2006313.7A Expired - Fee Related GB2581297B (en) 2017-11-16 2019-01-15 Algal-alginate film for bio-photovoltaic device

Country Status (3)

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GB (1) GB2581297B (en)
MY (1) MY185305A (en)
WO (1) WO2019098821A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005149771A (en) * 2003-11-11 2005-06-09 Kitakyushu Foundation For The Advancement Of Industry Science & Technology Biofuel cell using green plant and enzyme fixing electrode
US20090305113A1 (en) * 2005-11-02 2009-12-10 St. Louis University Direct electron transfer using enzymes in bioanodes, biocathodes, and biofuel cells
US20110016773A1 (en) * 2009-06-26 2011-01-27 Halosource, Inc. Methods for growing and harvesting algae and methods of use
US20130092237A1 (en) * 2010-03-19 2013-04-18 The University Of British Columbia Electrochemical photovoltaic cells
US20140004427A1 (en) * 2011-12-22 2014-01-02 Xyleco, Inc. Processing biomass for use in fuel cells

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005149771A (en) * 2003-11-11 2005-06-09 Kitakyushu Foundation For The Advancement Of Industry Science & Technology Biofuel cell using green plant and enzyme fixing electrode
US20090305113A1 (en) * 2005-11-02 2009-12-10 St. Louis University Direct electron transfer using enzymes in bioanodes, biocathodes, and biofuel cells
US20110016773A1 (en) * 2009-06-26 2011-01-27 Halosource, Inc. Methods for growing and harvesting algae and methods of use
US20130092237A1 (en) * 2010-03-19 2013-04-18 The University Of British Columbia Electrochemical photovoltaic cells
US20140004427A1 (en) * 2011-12-22 2014-01-02 Xyleco, Inc. Processing biomass for use in fuel cells

Also Published As

Publication number Publication date
MY185305A (en) 2021-04-30
WO2019098821A2 (en) 2019-05-23
WO2019098821A3 (en) 2019-08-08
GB2581297B (en) 2022-10-05
GB202006313D0 (en) 2020-06-10

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230115