Solid electrolytes for electrochromic devices based on reversible metal electrodeposition
Identifieur interne : 001543 ( Main/Repository ); précédent : 001542; suivant : 001544Solid electrolytes for electrochromic devices based on reversible metal electrodeposition
Auteurs : RBID : Pascal:12-0274600Descripteurs français
- Pascal (Inist)
- Electrolyte solide, Dispositif électrochromique, Dépôt électrolytique, Conditionnement air, Installation éclairage, Coût, Propriété optique, Additif, Electrochromisme, Voltammétrie cyclique, Facteur transmission, Réversibilité, Rayonnement visible, Dissolution, Photoélectrochimie, Spectrométrie impédance électrochimique, Thermogravimétrie, Stabilité thermique, Perte masse, Diffusion RX centrale, Addition étain, Cuivre, Matériau transparent, Composé binaire, Chlorure de cuivre, Eau, Oxyde d'indium, CuCl2, ITO, Electrolyte gel.
- Wicri :
English descriptors
- KwdEn :
- Additive, Air conditioning, Binary compound, Copper, Copper chloride, Costs, Cyclic voltammetry, Dissolution, Electrochemical impedance spectroscopy, Electrochromic device, Electrochromism, Electrodeposition, Gel electrolyte, Indium oxide, Lighting equipment, Mass loss, Optical properties, Photoelectrochemistry, Reversibility, Small angle X ray scattering, Solid electrolyte, Thermal stability, Thermogravimetry, Tin addition, Transmittance, Transparent material, Visible radiation, Water.
Abstract
Air conditioning and lighting costs can be reduced substantially by changing the optical properties of "intelligent windows." The electrochromic devices studied to date have used copper as an additive. Copper, used here as an electrochromic material, was dissolved in an aqueous animal protein-derived gel electrolyte. This combination constitutes the electrochromic system for reversible electrodeposition. Cyclic voltammetry, chronoamperometric and chromogenic analyses indicated that were obtained good conditions of transparency (initial transmittance of 70%), optical reversibility, small potential window (2.1 V), variation of transmittance in visible light (63.6%) and near infrared (20%) spectral regions. Permanence in the darkened state was achieved by maintaining a lower pulse potential (-0.16 V) than the deposition potential (-1.0 V). Increasing the number of deposition and dissolution cycles favored the transmittance and photoelectrochemical reversibility of the device. The conductivity of the electrolyte (10-3 S/cm) at several concentrations of CuCl2 was determined by electrochemical impedance spectroscopy. A thermogravimetric analysis confirmed the good thermal stability of the electrolyte, since the mass loss detected up to 100 °C corresponded to water evaporation and decomposition of the gel started only at 200 °C. Micrographic and small angle X-ray scattering analyses indicated the formation of a persistent deposit of copper particles on the ITO.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Solid electrolytes for electrochromic devices based on reversible metal electrodeposition</title><author><name sortKey="De Mello, Dante A A" uniqKey="De Mello D">Dante A. A. De Mello</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Curso de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Muller, 1555, C. Postal 549</s1><s2>Campo Grande 79070-900, MS</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>Campo Grande 79070-900, MS</wicri:noRegion></affiliation></author><author><name sortKey="Oliveira, M Rcio R S" uniqKey="Oliveira M">M Rcio R. S. Oliveira</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Escola Politécnica, Universidade de São Paulo, Av. Prof. Luciano Gualberto, Travessa 3, 158</s1><s2>São Paulo 05508-900, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>São Paulo 05508-900, SP</wicri:noRegion></affiliation></author><author><name sortKey="De Oliveira, Lincoln C S" uniqKey="De Oliveira L">Lincoln C. S. De Oliveira</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Curso de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Muller, 1555, C. Postal 549</s1><s2>Campo Grande 79070-900, MS</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>Campo Grande 79070-900, MS</wicri:noRegion></affiliation></author><author><name sortKey="De Oliveira, Silvio C" uniqKey="De Oliveira S">Silvio C. De Oliveira</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Curso de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Muller, 1555, C. Postal 549</s1><s2>Campo Grande 79070-900, MS</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>Campo Grande 79070-900, MS</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">12-0274600</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 12-0274600 INIST</idno><idno type="RBID">Pascal:12-0274600</idno><idno type="wicri:Area/Main/Corpus">001B90</idno><idno type="wicri:Area/Main/Repository">001543</idno></publicationStmt><seriesStmt><idno type="ISSN">0927-0248</idno><title level="j" type="abbreviated">Sol. energy mater. sol. cells</title><title level="j" type="main">Solar energy materials and solar cells</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Additive</term><term>Air conditioning</term><term>Binary compound</term><term>Copper</term><term>Copper chloride</term><term>Costs</term><term>Cyclic voltammetry</term><term>Dissolution</term><term>Electrochemical impedance spectroscopy</term><term>Electrochromic device</term><term>Electrochromism</term><term>Electrodeposition</term><term>Gel electrolyte</term><term>Indium oxide</term><term>Lighting equipment</term><term>Mass loss</term><term>Optical properties</term><term>Photoelectrochemistry</term><term>Reversibility</term><term>Small angle X ray scattering</term><term>Solid electrolyte</term><term>Thermal stability</term><term>Thermogravimetry</term><term>Tin addition</term><term>Transmittance</term><term>Transparent material</term><term>Visible radiation</term><term>Water</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Electrolyte solide</term><term>Dispositif électrochromique</term><term>Dépôt électrolytique</term><term>Conditionnement air</term><term>Installation éclairage</term><term>Coût</term><term>Propriété optique</term><term>Additif</term><term>Electrochromisme</term><term>Voltammétrie cyclique</term><term>Facteur transmission</term><term>Réversibilité</term><term>Rayonnement visible</term><term>Dissolution</term><term>Photoélectrochimie</term><term>Spectrométrie impédance électrochimique</term><term>Thermogravimétrie</term><term>Stabilité thermique</term><term>Perte masse</term><term>Diffusion RX centrale</term><term>Addition étain</term><term>Cuivre</term><term>Matériau transparent</term><term>Composé binaire</term><term>Chlorure de cuivre</term><term>Eau</term><term>Oxyde d'indium</term><term>CuCl2</term><term>ITO</term><term>Electrolyte gel</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Cuivre</term><term>Eau</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Air conditioning and lighting costs can be reduced substantially by changing the optical properties of "intelligent windows." The electrochromic devices studied to date have used copper as an additive. Copper, used here as an electrochromic material, was dissolved in an aqueous animal protein-derived gel electrolyte. This combination constitutes the electrochromic system for reversible electrodeposition. Cyclic voltammetry, chronoamperometric and chromogenic analyses indicated that were obtained good conditions of transparency (initial transmittance of 70%), optical reversibility, small potential window (2.1 V), variation of transmittance in visible light (63.6%) and near infrared (20%) spectral regions. Permanence in the darkened state was achieved by maintaining a lower pulse potential (-0.16 V) than the deposition potential (-1.0 V). Increasing the number of deposition and dissolution cycles favored the transmittance and photoelectrochemical reversibility of the device. The conductivity of the electrolyte (10-<sup>3</sup> S/cm) at several concentrations of CuCl<sub>2</sub> was determined by electrochemical impedance spectroscopy. A thermogravimetric analysis confirmed the good thermal stability of the electrolyte, since the mass loss detected up to 100 °C corresponded to water evaporation and decomposition of the gel started only at 200 °C. Micrographic and small angle X-ray scattering analyses indicated the formation of a persistent deposit of copper particles on the ITO.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0927-0248</s0></fA01><fA03 i2="1"><s0>Sol. energy mater. sol. cells</s0></fA03><fA05><s2>103</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Solid electrolytes for electrochromic devices based on reversible metal electrodeposition</s1></fA08><fA11 i1="01" i2="1"><s1>DE MELLO (Dante A. A.)</s1></fA11><fA11 i1="02" i2="1"><s1>OLIVEIRA (Márcio R. S.)</s1></fA11><fA11 i1="03" i2="1"><s1>DE OLIVEIRA (Lincoln C. S.)</s1></fA11><fA11 i1="04" i2="1"><s1>DE OLIVEIRA (Silvio C.)</s1></fA11><fA14 i1="01"><s1>Curso de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Muller, 1555, C. Postal 549</s1><s2>Campo Grande 79070-900, MS</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></fA14><fA14 i1="02"><s1>Escola Politécnica, Universidade de São Paulo, Av. Prof. Luciano Gualberto, Travessa 3, 158</s1><s2>São Paulo 05508-900, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ></fA14><fA20><s1>17-24</s1></fA20><fA21><s1>2012</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>18016</s2><s5>354000500807210030</s5></fA43><fA44><s0>0000</s0><s1>© 2012 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>23 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>12-0274600</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Solar energy materials and solar cells</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>Air conditioning and lighting costs can be reduced substantially by changing the optical properties of "intelligent windows." The electrochromic devices studied to date have used copper as an additive. Copper, used here as an electrochromic material, was dissolved in an aqueous animal protein-derived gel electrolyte. This combination constitutes the electrochromic system for reversible electrodeposition. Cyclic voltammetry, chronoamperometric and chromogenic analyses indicated that were obtained good conditions of transparency (initial transmittance of 70%), optical reversibility, small potential window (2.1 V), variation of transmittance in visible light (63.6%) and near infrared (20%) spectral regions. Permanence in the darkened state was achieved by maintaining a lower pulse potential (-0.16 V) than the deposition potential (-1.0 V). Increasing the number of deposition and dissolution cycles favored the transmittance and photoelectrochemical reversibility of the device. The conductivity of the electrolyte (10-<sup>3</sup> S/cm) at several concentrations of CuCl<sub>2</sub> was determined by electrochemical impedance spectroscopy. A thermogravimetric analysis confirmed the good thermal stability of the electrolyte, since the mass loss detected up to 100 °C corresponded to water evaporation and decomposition of the gel started only at 200 °C. Micrographic and small angle X-ray scattering analyses indicated the formation of a persistent deposit of copper particles on the ITO.</s0></fC01><fC02 i1="01" i2="X"><s0>001D06C02F</s0></fC02><fC02 i1="02" i2="X"><s0>001D06D08D2</s0></fC02><fC02 i1="03" i2="X"><s0>001D05G06</s0></fC02><fC02 i1="04" i2="X"><s0>001C01H07</s0></fC02><fC02 i1="05" i2="X"><s0>230</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Electrolyte solide</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Solid electrolyte</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Electrólito sólido</s0><s5>01</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Dispositif électrochromique</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Electrochromic device</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Dispositivo electrocrómico</s0><s5>02</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Dépôt électrolytique</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Electrodeposition</s0><s5>03</s5></fC03><fC03 i1="03" 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l="FRE"><s0>Rayonnement visible</s0><s5>13</s5></fC03><fC03 i1="13" i2="X" l="ENG"><s0>Visible radiation</s0><s5>13</s5></fC03><fC03 i1="13" i2="X" l="SPA"><s0>Radiación visible</s0><s5>13</s5></fC03><fC03 i1="14" i2="X" l="FRE"><s0>Dissolution</s0><s5>14</s5></fC03><fC03 i1="14" i2="X" l="ENG"><s0>Dissolution</s0><s5>14</s5></fC03><fC03 i1="14" i2="X" l="SPA"><s0>Disolución</s0><s5>14</s5></fC03><fC03 i1="15" i2="X" l="FRE"><s0>Photoélectrochimie</s0><s5>15</s5></fC03><fC03 i1="15" i2="X" l="ENG"><s0>Photoelectrochemistry</s0><s5>15</s5></fC03><fC03 i1="15" i2="X" l="SPA"><s0>Fotoelectroquímica</s0><s5>15</s5></fC03><fC03 i1="16" i2="3" l="FRE"><s0>Spectrométrie impédance électrochimique</s0><s5>16</s5></fC03><fC03 i1="16" i2="3" l="ENG"><s0>Electrochemical impedance spectroscopy</s0><s5>16</s5></fC03><fC03 i1="17" i2="X" l="FRE"><s0>Thermogravimétrie</s0><s5>17</s5></fC03><fC03 i1="17" i2="X" l="ENG"><s0>Thermogravimetry</s0><s5>17</s5></fC03><fC03 i1="17" i2="X" 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i1="22" i2="X" l="ENG"><s0>Copper</s0><s2>NC</s2><s5>22</s5></fC03><fC03 i1="22" i2="X" l="SPA"><s0>Cobre</s0><s2>NC</s2><s5>22</s5></fC03><fC03 i1="23" i2="X" l="FRE"><s0>Matériau transparent</s0><s5>23</s5></fC03><fC03 i1="23" i2="X" l="ENG"><s0>Transparent material</s0><s5>23</s5></fC03><fC03 i1="23" i2="X" l="SPA"><s0>Material transparente</s0><s5>23</s5></fC03><fC03 i1="24" i2="X" l="FRE"><s0>Composé binaire</s0><s5>24</s5></fC03><fC03 i1="24" i2="X" l="ENG"><s0>Binary compound</s0><s5>24</s5></fC03><fC03 i1="24" i2="X" l="SPA"><s0>Compuesto binario</s0><s5>24</s5></fC03><fC03 i1="25" i2="X" l="FRE"><s0>Chlorure de cuivre</s0><s5>25</s5></fC03><fC03 i1="25" i2="X" l="ENG"><s0>Copper chloride</s0><s5>25</s5></fC03><fC03 i1="25" i2="X" l="SPA"><s0>Cobre cloruro</s0><s5>25</s5></fC03><fC03 i1="26" i2="X" l="FRE"><s0>Eau</s0><s5>26</s5></fC03><fC03 i1="26" i2="X" l="ENG"><s0>Water</s0><s5>26</s5></fC03><fC03 i1="26" i2="X" l="SPA"><s0>Agua</s0><s5>26</s5></fC03><fC03 i1="27" i2="X" l="FRE"><s0>Oxyde d'indium</s0><s5>27</s5></fC03><fC03 i1="27" i2="X" l="ENG"><s0>Indium oxide</s0><s5>27</s5></fC03><fC03 i1="27" i2="X" l="SPA"><s0>Indio óxido</s0><s5>27</s5></fC03><fC03 i1="28" i2="X" l="FRE"><s0>CuCl2</s0><s4>INC</s4><s5>82</s5></fC03><fC03 i1="29" i2="X" l="FRE"><s0>ITO</s0><s4>INC</s4><s5>83</s5></fC03><fC03 i1="30" i2="X" l="FRE"><s0>Electrolyte gel</s0><s4>CD</s4><s5>96</s5></fC03><fC03 i1="30" i2="X" l="ENG"><s0>Gel electrolyte</s0><s4>CD</s4><s5>96</s5></fC03><fN21><s1>205</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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