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Electrode and dye-sensitized solar cell

A technology of electrodes and working electrodes, applied in the field of electrodes and dye-sensitized solar cells

Inactive Publication Date: 2013-04-10
POLYMERS CRC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for larger area cells, it will be difficult to achieve sufficient porosity at the required conductivity that constrains lateral ohmic loss in the back contact

Method used

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  • Electrode and dye-sensitized solar cell
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  • Electrode and dye-sensitized solar cell

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Embodiment Construction

[0029] The terms "pore" and "array of pores" refer to the void or array of voids in the metal foil which, in operation, provide a pathway for the electrical current generated on the light incident surface of the working electrode , so that it passes through to reach the counter electrode. The pores may be present in regularly or irregularly spaced arrays, or may be directly through the metal foil (and optional support material) or have irregular channels. In one embodiment, the pores may be occupied by electrolyte or semiconductor material. In embodiments where the metal foil conductor is deposited on a porous substrate such as a porous plastic film or a porous polymeric film, the distribution of pores may be determined by the pores on the substrate.

[0030] "Adsorption" is used to refer to the physical and / or chemical attachment of atoms or molecules on a surface. The term includes absorption and attachment.

[0031] As used herein, the term "transparent" refers to a materi...

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Abstract

A working electrode and dye sensitized solar (DSSC) cell having working electrode where the working electrode includes a porous metal foil conductor and a particulate metal oxide layer on the side of the foil for facing incident light and process for preparing the electrode and DSSC.

Description

technical field [0001] The invention relates to a working electrode for a dye-sensitized solar cell (DSSC), a DSSC and a preparation method for the working electrode and the DSSC. Background technique [0002] US 4927721 and US 5084365 disclose one of the first practical DSSCs (called Gratzel cells). It contains a liquid electrolyte and sintered titanium dioxide coated with a ruthenium dye. Energy conversion efficiencies (ECEs) of this type of DSSC have been reported as high as 10.4%, but variations in performance and reproducibility mean that much lower ECEs of below about 5% are often reliably obtained. Fabrication of DSSCs typically requires a high-temperature sintering process, which has limited substrates to thermally stable, rigid, and light-transmitting materials such as TCO-coated glass. TCOs for such cells are expensive, and the light transmittance and lateral conductivity trade off each other. For example, a thinner layer of TCO with 85% transmittance might have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/042H01L31/0216
CPCH01G9/2031H01G9/2059H01G9/2068Y02E10/542Y02P70/50H01G9/2022
Inventor G·A·马西森D·L·奥菲瑟M·J·温特拉
Owner POLYMERS CRC
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