Design of flexible polyphenylene proton-conducting membrane for next-generation fuel cells

Science Advances
Junpei MiyakeKenji Miyatake

Abstract

Proton exchange membrane fuel cells (PEMFCs) are promising devices for clean power generation in automotive, stationary, and portable applications. Perfluorosulfonic acid (PFSA) ionomers (for example, Nafion) have been the benchmark PEMs; however, several problems, including high gas permeability, low thermal stability, high production cost, and environmental incompatibility, limit the widespread dissemination of PEMFCs. It is believed that fluorine-free PEMs can potentially address all of these issues; however, none of these membranes have simultaneously met the criteria for both high performance (for example, proton conductivity) and durability (for example, mechanical and chemical stability). We present a polyphenylene-based PEM (SPP-QP) that fulfills the required properties for fuel cell applications. The newly designed PEM exhibits very high proton conductivity, excellent membrane flexibility, low gas permeability, and extremely high stability, with negligible degradation even under accelerated degradation conditions, which has never been achieved with existing fluorine-free PEMs. The polyphenylene PEM also exhibits reasonably high fuel cell performance, with excellent durability under practical conditions. This new PEM ex...Continue Reading

References

Jan 27, 2005·Chemical Reviews·Kenneth A Mauritz, Robert B Moore
Jan 27, 2005·Chemical Reviews·Michael A HicknerJames E McGrath
Feb 2, 2006·Journal of the American Chemical Society·Naoki AsanoMasahiro Watanabe
Mar 14, 2007·Journal of the American Chemical Society·Kenji MiyatakeMasahiro Watanabe
Sep 18, 2010·Advanced Materials·Timothy J Peckham, Steven Holdcroft
Feb 22, 2012·Chemical Reviews·Hongwei Zhang, Pei Kang Shen
Jun 14, 2012·ACS Applied Materials & Interfaces·Takahiro MiyaharaKenji Miyatake
Sep 17, 2015·Journal of the American Chemical Society·Thomas J G SkalskiSteven Holdcroft
Apr 29, 2016·Nature·Chi Hoon ParkYoung Moo Lee
Aug 11, 2016·Soft Matter·Brooke Kuei, Enrique D Gomez
Jun 14, 2017·Angewandte Chemie·Michael AdamskiSteven Holdcroft

❮ Previous
Next ❯

Citations

Sep 27, 2018·ChemSusChem·Thomas J G SkalskiSteven Holdcroft
May 31, 2019·Chemical Communications : Chem Comm·Keisuke ShiinoKenji Miyatake
Nov 13, 2020·Advanced Materials·Li CaoZhongyi Jiang
Jul 16, 2021·Nature·Kui JiaoMichael D Guiver
Sep 13, 2019·Journal of the American Chemical Society·Kayaramkodath Chandran RanjeeshSukumaran Santhosh Babu

❮ Previous
Next ❯

Methods Mentioned

BETA
nuclear magnetic resonance
transmission
x-ray scattering
IEC
IECs
1

Software Mentioned

Mathematica

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.