Special Issue "Catalysts for Polymer Membrane Fuel Cells"
Deadline for manuscript submissions: closed (31 January 2019) | Viewed by 27170
Interests: electrochemical energy conversion and storage
Interests: advanced electrodes and electrocatalysts; novel membranes
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Polymer membrane fuel cells are at an exciting time in their development. State-of-the-art proton exchange membrane fuel cells (PEMFCs) have high activity, stable Pt-based catalysts that have been integrated into cells, and stacks that can operate over many thousands of hours—providing clean power for a myriad of applications and PEMFCs have seen near-exponential growth in their commercial application over the last decade. However, for many applications (e.g., automotive) the overall cost remains above government and industrial targets.
Two approaches with the potential to revolutionize the fuel cell market and allow for cost to be substantively decreased are: 1) Platinum group metal (PGM) free catalysts. PGM-free catalysts present a new learning curve from a catalysis perspective because of the uncertainty in the nature of the active site, generally low active site density and often low turnover frequencies. This leads to high catalyst loadings and thick catalyst layers, which can impart mass transport limitations into the system. 2) Rethink the chemistry of the system. Anion exchange membrane fuel cells (AEMFCs) have been rapidly increasing in popularly. It is thought that AEMFCs will allow for lower cost catalysts, bipolar plates and balance-of-plant than PEMFCs. However, from a catalysis perspective, AEMFCs suffer from sluggish kinetics at the anode and the cathode, and the choices for catalysts outside of the PGM family are limited.
This Special Issue will focus on experimental and theoretical investigations into new catalysts for the hydrogen oxidation reaction (HOR) and oxygen reduction reaction (ORR) in PEMFCs and AEMFCs with a particular interest in the realization of Pt-free and PGM-free materials. Both fundamental and applied studies (focusing on investigating catalysts in realistic environments and improving stability) are of interest. Additionally relevant are reports that detail new methodologies for in situ and operando catalyst characterization. The hope is to compile a set of manuscripts that inform the field of the state-of-the-art in catalysis
Prof. Dr. William Mustain
Dr. Bryan Pivovar
Manuscript Submission Information
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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.
Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.
- Platinum Group Metal Free
- Platinum Free
- Oxygen Reduction
- Hydrogen Oxidation
- Proton Exchange Membrane Fuel Cell
- Anion Exchange Membrane Fuel Cell
- Reversible or Unitized Regenerative Fuel Cell