WO2016019449A1 - Procédé et cellule pour la production d'énergie électrique par hygroélectricité et oxydation directe de substances solides et liquides réductrices - Google Patents

Procédé et cellule pour la production d'énergie électrique par hygroélectricité et oxydation directe de substances solides et liquides réductrices Download PDF

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Publication number
WO2016019449A1
WO2016019449A1 PCT/BR2015/050116 BR2015050116W WO2016019449A1 WO 2016019449 A1 WO2016019449 A1 WO 2016019449A1 BR 2015050116 W BR2015050116 W BR 2015050116W WO 2016019449 A1 WO2016019449 A1 WO 2016019449A1
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WO
WIPO (PCT)
Prior art keywords
electrodes
cell
electrode
cell according
liquid
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.)
Ceased
Application number
PCT/BR2015/050116
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English (en)
Portuguese (pt)
Inventor
Fernando Galembeck
Rubia Figueredo Gouveia
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Centro Nacional de Pesquisa em Energia e Materiais CNPEM
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Centro Nacional de Pesquisa em Energia e Materiais CNPEM
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Publication of WO2016019449A1 publication Critical patent/WO2016019449A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B5/00—Electrogenerative processes, i.e. processes for producing compounds in which electricity is generated simultaneously
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to: (i) an electric current-based hyroelectricity energy production process generated by electrode surface electrode adsorption of ions originating from water dissociation, followed by depolarization of the same electrodes through oxide-reduction chemical reactions of dissolved or dispersed substances in liquid medium in contact with the electrodes; and (ii) the cells, devices and generator sets of the electric current produced by this process.
  • Another embodiment of the multilayer invention comprises the preparation of a working electrode assembly, characterized by the interposition of an aluminum foil between sheets of cellulose paper.
  • Aluminum foil is responsible for electrical contact.
  • Several sets are stacked and moistened to form a paper-based stack that has a significant difference in electrical potential.
  • the reference electrode consists of a stainless steel screen in contact with a dispersion of manganese dioxide.
  • the loading and unloading cycles are promoted at periodic time intervals by the action of relays installed in the external circuit (6).
  • the circuit consists of two relays that are connected to cell (9) and a third relay connected to the capacitor, which will be charged by the cell, device or assembly.
  • the relay associated with the capacitor is triggered by applying an external potential to the terminals adjacent to the relay, which causes the circuit to close and the capacitor to short circuit.
  • the terminals connected to the capacitor open and consequently the capacitor records this electric potential difference.
  • Relays are triggered by the control program, which regulates the automation of opening and closing of adjacent relay terminals, respectively canceling or applying the external potential. Recording of the charge and discharge cycles in the control software is as follows: the relay terminals connected to the cell, device or assembly open, initiating the charging of these elements and simultaneously the capacitor terminals close, discharging the capacitor. In sequence, the capacitor recharges through the electrical energy generated in the cell (9). The program progressively records the reading of the variation of the capacitor's electric potential difference during charging and discharging. The program allows successive cycles to be performed and the time and number of capacitor charge-discharge cycles to be varied.
  • Table 1 Average difference of electric potential, average power and average current per cycle in 10 s of capacitor load.
  • Table 3 Average difference in electric potential, average power per cycle and average current in 15 s of capacitor load.
  • This cell was placed inside a can, constituting the electrode (1), whose main constituent material is aluminum, so that the electrode assembly (3) was positioned vertically inside the can and electrically isolated from it.
  • a reducing medium (2) consisting of a solution of 10 g of corn in 210 mL of water (2).
  • the difference in electrical potential measured between the can and the electrode constituted by the stainless steel screen was -1254 mV.
  • cell (9) comprising the electrode assembly (1,3) was connected to a 4.7 mF capacitor for 10s and 20s charge and discharge cycles respectively.
  • the average difference of accumulated electric potential in the capacitor in 10s was -382.2 mV, generating, respectively, power per cycle and average current of 69 DW and 0.18 mA.
  • a cell (9) similar to that of examples 6 and 7 was assembled, but the reducing medium (2) consisting of a dispersion of 10 g of sugarcane bagasse in 210 ml of water (2). .
  • the difference in electrical potential measured between the can and the electrode prepared with the stainless steel screen (3) was -1200 mV.
  • cell (9) was connected to a 4.7 mF capacitor for 10s and 20s charge and discharge cycles respectively. After more than At 7200 cycles, the electric potential difference remained very stable over time, approximately -800 mV over 10s, generating an average power of 300 DW and 0.38 mA current per cycle.
  • the first control cell of experiment 8A is composed of the electrode (3) of stainless steel screen immersed in oxidizing substance (4) consisting of manganese dioxide dispersion and the aluminum can, constituting the electrode (1). , immersed only in water (2). No bagasse or any other product was added to the reducing medium. The cell was connected to a 4.7 mF capacitor for charge and discharge cycles of 10s and 20s respectively. The acquired electric potential difference for this cell was -200.2 mV at 10s of capacitor load, generating an average power of 19 DW.
  • EXAMPLE 9 In this embodiment, six sugarcane bagasse-containing cells (9), analogous to those of Example 8, were assembled in parallel forming a circuit.
  • the open circuit potential difference (DDP) was -1200 mV. This cell was then connected to a 4.7 mF capacitor for charge and discharge cycles of different durations.
  • the respective values of electric potential and power as a function of load accumulation time are presented in Table 5.
  • the conditions of the experiment are analogous to those of example 9, but with the six cells (9) mounted in a series circuit.
  • the open circuit potential difference (DDP) was -6V. These cells were then connected to a 4.7 mF capacitor for charge and discharge cycles of different durations.
  • the respective values of electric potential and power as a function of time are presented in Table 6.
  • Table 6 Difference in electrical potential (DDP) and average power as a function of the charge accumulation time in the 4.7 mF capacitor.
  • the present example was carried out with a set identical to that of example 12, but replacing the dispersion of Mn02 with a 75% w / w dispersion of iron (III) oxide in water.
  • the cell coil (29) was inserted into a polyethylene vial containing 600 mL of molar Na2 CO0.0.0 solution.
  • the electrical potential difference measured between the aluminum and stainless steel electrodes was -1755 mV.
  • This device was then connected to a 4.7 mF capacitor for 10s and 20s charge and discharge cycles respectively. After 18h, totaling approximately 2200 cycles, the measured electrical potential difference was approximately -650 mV at 10s of capacitor load, generating an average power per cycle of approximately 199 DW and a 0.30 mA current.
  • the assembly of the cell (29) was made in layer in the following order: it started with the electrode (23) of the stainless steel screen, on the stainless steel a dispersion was placed with the following quantities: 43% w / w Fe203 with 30% w / w graphite, 10% Na 2 CO 3 m / m and 5% NaCl m / m (4).
  • As a separator (25) was placed the filter paper and then the aluminum foil electrode (21) coated on its faces with a dispersion of 25% w / w starch, 10% Na 2 C0 3 m / m and 5% NaCl m / m (2).
  • This cell (29) was placed inside a polyethylene bag about 8 cm by 8 cm.
  • the electric potential difference measured between the aluminum (21) and stainless steel (23) electrodes was -1300 mV. This cell was then connected to a 100.3 resistor resistor. ohm and the difference in electrical potential as a function of time for the cell was recorded. This mode of mounting the cell generates direct current, unlike the previous examples, which are in intermittent mode. After 58 h of continuous cell life, the specific energy and specific power output was 550 Wh / kg and 9.4 W / kg.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Primary Cells (AREA)

Abstract

La présente invention concerne un procédé de génération d'électricité caractérisé par l'électrisation de la surface d'électrodes par des ions produits par dissociation de l'eau, puis par dépolarisation des électrodes au moyen de réactions chimiques d'oxydo-réduction de substances en contact avec les électrodes. La cellule hygroélectrique (9, 29) qui fonctionne selon le procédé décrit dans cette invention comprend une électrode positive (3, 23) revêtue d'un matériau (5, 25) semi-perméable ou conducteur d'ions et immergée dans une dispersion ou une solution de substances oxydantes (4), et une électrode négative (1, 21) immergée dans une dispersion ou une solution de substances réductrices (2). Les électrodes peuvent être uniques ou montées en multicouches. Le courant électrique produit peut être utilisé immédiatement ou stocké par n'importe quel moyen ou équipement connu de la technique, y compris des batteries et des condensateurs. L'invention utilise des matériaux naturels renouvelables et abondants ou leurs résidus comme source d'énergie, y compris la bagasse de canne à sucre.
PCT/BR2015/050116 2014-08-08 2015-08-10 Procédé et cellule pour la production d'énergie électrique par hygroélectricité et oxydation directe de substances solides et liquides réductrices Ceased WO2016019449A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR102014019690-0 2014-08-08
BR102014019690A BR102014019690A2 (pt) 2014-08-08 2014-08-08 processo e célula para produção de energia elétrica por higroeletricidade e oxidação direta de substâncias sólidas e líquidas redutoras

Publications (1)

Publication Number Publication Date
WO2016019449A1 true WO2016019449A1 (fr) 2016-02-11

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PCT/BR2015/050116 Ceased WO2016019449A1 (fr) 2014-08-08 2015-08-10 Procédé et cellule pour la production d'énergie électrique par hygroélectricité et oxydation directe de substances solides et liquides réductrices

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BR (1) BR102014019690A2 (fr)
WO (1) WO2016019449A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240396122A1 (en) * 2021-09-17 2024-11-28 Ts Tech Co., Ltd. Vehicle interior device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250372683A1 (en) * 2022-06-28 2025-12-04 Fernando Galembeck Process for simultaneously producing hydrogen, electricity, hydrogen peroxide and oxygen from water and equipment thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0100530A2 (fr) * 1982-07-30 1984-02-15 Hitachi, Ltd. Pile à combustible à électrolyte organique de poids moléculaire élevé
US6811905B1 (en) * 2002-05-21 2004-11-02 Giner Electro Chemical Systems, Llc Direct organic fuel cell having a vapor transport member
EP1733914A1 (fr) * 2004-03-31 2006-12-20 GS Yuasa Corporation Voiture électrique
US20110195283A1 (en) * 2010-01-29 2011-08-11 Samsung Electronics Co., Ltd. Organic electrolyte solution and redox flow battery including the same
US20140370403A1 (en) * 2013-06-17 2014-12-18 University Of Southern California Inexpensive metal-free organic redox flow battery (orbat) for grid-scale storage
US20140370405A1 (en) * 2012-02-28 2014-12-18 Uchicago Argonne, Llc Organic non-aqueous cation-based redox flow batteries

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0100530A2 (fr) * 1982-07-30 1984-02-15 Hitachi, Ltd. Pile à combustible à électrolyte organique de poids moléculaire élevé
US6811905B1 (en) * 2002-05-21 2004-11-02 Giner Electro Chemical Systems, Llc Direct organic fuel cell having a vapor transport member
EP1733914A1 (fr) * 2004-03-31 2006-12-20 GS Yuasa Corporation Voiture électrique
US20110195283A1 (en) * 2010-01-29 2011-08-11 Samsung Electronics Co., Ltd. Organic electrolyte solution and redox flow battery including the same
US20140370405A1 (en) * 2012-02-28 2014-12-18 Uchicago Argonne, Llc Organic non-aqueous cation-based redox flow batteries
US20140370403A1 (en) * 2013-06-17 2014-12-18 University Of Southern California Inexpensive metal-free organic redox flow battery (orbat) for grid-scale storage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240396122A1 (en) * 2021-09-17 2024-11-28 Ts Tech Co., Ltd. Vehicle interior device

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