Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2005-12-19
2010-06-15
Yuan, Dah-Wei D (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S231800, C359S265000, C359S267000, C359S269000, C359S275000
Reexamination Certificate
active
07736813
ABSTRACT:
The invention concerns an electrochromic cell with emission controlled by electrodeposition under the action of a control voltage. The cell comprises the following flexible elements, superimposed and respectively in intimate contact:a first electrode (11) intended to be connected to a first potential of the control voltage,a first porous layer (12), formed of a mixture of PVDF-HFP, PEO and an activated carbon powder,a porous separator (13), formed of a mixture of PVDF-HFP and PEO,a second electrode (14) formed of a grid and connected to a second potential of the control voltage,a second porous layer (15), formed of a mixture of PVDF-HFP, PEO and carbon powder,an aqueous electrolytic solution containing a copper salt being contained in the first flexible layer (12), in the separator (13) and in the second flexible layer (15).
REFERENCES:
Bessiere A et al.: “Flexible electrochromic reflectance device based on tungsten oxide for infrared emissivity control” Journal of Applied Physics, American Institute of Physics. New York, US, vol. 91, No. 3, Feb. 1, 2002, pp. 1589-1594.
Pages H et al.: “Wide band electrochromic displays based on thin conducting polymer films” Electrochimica Acta, Elsevier Science Publishers, Barking, GB, vol. 46, No. 13-14, Apr. 2, 2001, pp. 2137-2143.
International Search Report, FA 660205 and FR 0453112, 2 pgs, (Jun. 21, 2005).
Bessiere, A. et al., “Flexible ElectrochromicReflectance Device Based On Tungsten Oxide For Infrared Emissivity Control”, Journal of Applied Physics, American Institute of Physics, New York, US, vol. 91, No. 3, (Feb. 1, 2001), pp. 1589-1594, XP012055677, ISSN: 0021-8979, p. 1589-p. 1592, Fig 1.
Bessiere, A. et al., “Control Of Powder Microstructure For Improved Infrared Reflectance Modulation Of An Electrochromic Plastic Device”, Chem. Mater., vol. 15, No. 13, (May 30, 2003), XP002332809, USA, p. 2577-p. 2579, Fig 1.
Chandrasekhar, Prasanna et al., “Large, Switchable Electrochromism In The Visible Through Far-Infrared In Conducting Polymer Devices”, Advanced Functional Materials, Wiley Intersciences, Wienheim, DE, vol. 12, No. 2, (Feb. 2002), pp. 95-103, XP001123864, ISSN: 1616-301X, p. 95-p. 97, Fig. 1.
Pages, H. et al., “Wide Band Electrochromic Displays Based On Thin Conducting Polymer Films”, Electrochimica ACTA, Elsevier Science Publishers, Barking, GB, vol. 46, No. 13-14, (Feb. 4, 2001), pp. 2137-2143, XP004233995, ISSN: 0013-4686, p. 2137-p. 2139, Fig. 1.
Badot Jean-Claude
Beluze Lionel
Esmiller Bruno
Tarascon Jean-Marie
Viana Bruno
Barrow Amanda
European Aeronautic Defence and Space Company – EADS Fran
Nixon & Peabody LLP
Yuan Dah-Wei D
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