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Electrolyte-less design of PEC cells for solar fuels: Prospects and open issues in the development of cells and related catalytic electrodes ☆

Paper ID Volume ID Publish Year Pages File Format Full-Text
53483 46972 2016 13 PDF Available
Title
Electrolyte-less design of PEC cells for solar fuels: Prospects and open issues in the development of cells and related catalytic electrodes ☆
Abstract

•A new electrolyte-less cell design for photoelectrocatalytic cells.•PEC cells to produce solar fuels by reduction of CO2.•Photoanode based on arrays of vertically aligned TiO2 nanotubes.•Nanocarbon-based electrocatalysts for EL-PEC solar cells.•PEC cell design for medium-high temperature of operations (150–200 °C).

The possibilities and prospects offered from a new electrolyte-less (EL) cell design for photoelectrocatalytic (PEC) cells to produce solar fuels, particularly by reduction of CO2, are discussed in this perspective contribution. The concept of EL configuration is presented evidencing the several potential advantages, but also the need to develop novel specific nanostructured electrodes. Some aspects of the preparation of photoanode and electrocatalysts for EL-PEC solar cells are discussed, with focus on thin films based on arrays of vertically aligned TiO2 nanotubes and nanocarbon-based gas diffusion catalytic electrodes for CO2 reduction, respectively. New possibilities for design of cells, particularly suitable for medium-high temperature of operations (150–200 °C), necessary for process intensification and reduction of the costs, are also presented. These new type of cells require the development of new types of semiconductors, which are briefly outlined.

Graphical abstractElectrolyte-less (EL) design for photoelectrocatalytic (PEC) cells offer new possibilities to produce solar fuels, particularly from CO2 reduction.Figure optionsDownload full-size imageDownload high-quality image (182 K)Download as PowerPoint slide

Keywords
Solar fuels; PEC cells; Electrolyte-less operations; CO2 reduction; Electrode
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Electrolyte-less design of PEC cells for solar fuels: Prospects and open issues in the development of cells and related catalytic electrodes ☆
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 259, Part 2, 1 January 2016, Pages 246–258
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
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