Enhanced Electrocatalytic Performance for Methanol Oxidation via Insertion of Ruthenium Oxide Particles into Pt and Polyaniline-Poly(Acrylic Acid-co-Maleic Acid) Composite Electrode

Kuo, Chung‐Wen; Kuo, Zheng-Yan; Wu, Tzi‐Yi; Chen, Jingyuan; Li, Wenbin

doi:10.1149/05002.1997ecst

Cited by 7 publications

(7 citation statements)

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“…157 Other polymeric acid dopants, such as poly(acrylic acid), poly(acrylic acid-co-maleic acid), camphor sulfonic acid (CSA), and TFMSA have also exhibited good performance and stability in the DMFC anodes. 88,154,164,165 In addition, doping often leads to change of surface wettability of the p-CPs. It was observed that while sulphuric acid and hydrochloric acid doped PAni NFs produced a power density of 48 mWcm ¡2 and 46 mWcm ¡2 , respectively, CSAdoped PAni NFs generated 51 mWcm ¡2 of power density.…”

Section: P-conjugated Polymers In Dmfcs 31mentioning

confidence: 99%

Synthesis, Preparation, and Performance of Blends and Composites of π-Conjugated Polymers and their Copolymers in DMFCs

2015

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p-conjugated aromatic polymers (p-CPs) are a class of high performance materials used in fabrication of a number of devices. Their use in direct methanol fuel cells (DMFCs) has resulted in improving the performance of this prospective alternative energy harnessing device. This review focuses on these aspects of p-CPs, from fabrication techniques to structure-property relationships and finally performance evaluation and comparison with other potential candidates. Along with an overview of the step-by-step progress that has been made in the last two decades, this review consists of a separate section dedicated to the advancements made in the last five years. This period has seen considerable progress in terms of preparation techniques, such as fabrication of layer-by-layer assembly and core-shell assembly; materials used, such as variety of dopants for p-CPs and sulfonated polymers in case of PEMs and p-CP composites with carbon nanotubes and graphenes in case of catalyst supporting matrices; and surface morphology, such as use of nanofibers, nanotubes, and nanowires. In addition, different polymerization strategies and solubility aspects of p-CPs have also been discussed. All these modifications have resulted in yielding high power and current densities, mass specific activity, stability, durability, and judicious utilization of costly materials, like Pt and Nafion.

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Section: P-conjugated Polymers In Dmfcs 31mentioning

confidence: 99%

Synthesis, Preparation, and Performance of Blends and Composites of π-Conjugated Polymers and their Copolymers in DMFCs

2015

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“…π-conjugated polymers have drawn great attention from researchers in recent years due to their wide use in academic and industrial applications, such as electrochromic devices (ECD) [1,2,3], thin-film polymer solar cells [4], sensing materials [5,6], polymeric memory devices [7,8], catalysts for methanol and ethanol oxidation reactions [9,10,11], polymeric light-emitting diodes [12,13], and smart windows [14]. Among them, the benefit of ECDs is their very low power consumption.…”

Section: Introductionmentioning

confidence: 99%

Applications of Three Dithienylpyrroles-Based Electrochromic Polymers in High-Contrast Electrochromic Devices

Chang

2017

Polymers

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Three dithienylpyrroles (1-(4-(methylthio)phenyl)-2,5-di(thiophen-2-yl)-pyrrole (MPS), 1-(4-methoxyphenyl)-2,5-di(thiophen-2-yl)-pyrrole (MPO), and 4-(2,5-di(thiophen-2-yl)-pyrrol-1-yl) benzonitrile (ANIL)) were synthesized and their corresponding polydithienylpyrroles (PSNS) were electrosynthesized using electrochemical polymerization. Spectroelectrochemical studies indicated that poly(1-(4-(methylthio)phenyl)-2,5-di(thiophen-2-yl)-pyrrole) (PMPS) film was green, dark green, and brown in the neutral, oxidation, and highly oxidized state, respectively. The incorporation of a MPS unit into the PSNS backbone gave rise to a darker color than those of the MPO and ANIL units in the highly oxidized state. The PMPS film showed higher ∆T max (54.47% at 940 nm) than those of the PMPO (43.87% at 890 nm) and PANIL (44.63% at 950 nm) films in an ionic liquid solution. Electrochromic devices (ECDs) employing PMPS, PMPO, and PANIL as anodic layers and poly(3,4-(2,2-diethypropylenedioxy)thiophene)(PProDOT-Et 2 ) as a cathodic layer were constructed. PMPO/PProDOT-Et 2 ECD showed the highest ∆T max (41.13%) and coloration efficiency (674.67 cm 2 ·C −1 ) at 626 nm, whereas PMPS/PProDOT-Et 2 ECD displayed satisfactory ∆T max (32.51%) and coloration efficiency (637.25 cm 2 ·C −1 ) at 590 nm. Repeated cyclic voltammograms of PMPS/PProDOT-Et 2 , PMPO/PProDOT-Et 2 , and PANIL/PProDOT-Et 2 ECDs indicated that ECDs had satisfactory redox stability.

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“…π-conjugated polymers (CPs) and oligomers have attracted a great deal of interest due to their suitability for potential applications in supercapacitors [1,2], catalysts [3,4,5], actuators [6], polymer light-emitting diodes [7,8,9], electrochromic devices (ECDs) [10,11,12], polymer solar cells [13], and sensors [14,15,16]. The most commonly studied classes of CPs are poly(phenylene vinylene)s (PPV) [17], polycarbazoles (PCz) [18,19], polythiophenes (PT) [20], polypyrroles (PPy) [21], poly(3,4-ethylenedioxythiophene) (PEDOT) [22], and polyanilines (PANI) [23].…”

Section: Introductionmentioning

confidence: 99%

Poly(tris(4-carbazoyl-9-ylphenyl)amine)/Three Poly(3,4-ethylenedioxythiophene) Derivatives in Complementary High-Contrast Electrochromic Devices

et al. 2017

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A carbazole-based polymer (poly(tris(4-carbazoyl-9-ylphenyl)amine) (PtCz)) is electrosynthesized on an indium tin oxide (ITO) electrode. PtCz film displays light yellow at 0.0 V, earthy yellow at 1.3 V, grey at 1.5 V, and dark grey at 1.8 V in 0.2 M LiClO 4 /ACN/DCM (ACN/DCM = 1:3, by volume) solution. The ∆T and coloration efficiency (η) of PtCz film are 30.5% and 54.8 cm 2 ·C −1 , respectively, in a solution state. Three dual-type electrochromic devices (ECDs) are fabricated using the PtCz as the anodic layer, poly(3,4-ethylenedioxythiophene) (PEDOT), poly (3,3-dimethyl-3,4-dihydro-thieno[3,4-b][1,4]dioxepine) (PProDOT-Me 2 ), and poly(3,4-(2,2-diethylpropylenedioxy)thiophene) (PProDOT-Et 2 ) as the cathodic layers. PtCz/PProDOT-Me 2 ECD shows high ∆T max (36%), high η max (343.4 cm 2 ·C −1 ), and fast switching speed (0.2 s) at 572 nm. In addition, PtCz/PEDOT, PtCz/PProDOT-Me 2 , and PtCz/PProDOT-Et 2 ECDs show satisfactory open circuit memory and long-term stability.

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Enhanced Electrocatalytic Performance for Methanol Oxidation via Insertion of Ruthenium Oxide Particles into Pt and Polyaniline-Poly(Acrylic Acid-co-Maleic Acid) Composite Electrode

Cited by 7 publications

References 1 publication

Synthesis, Preparation, and Performance of Blends and Composites of π-Conjugated Polymers and their Copolymers in DMFCs

Synthesis, Preparation, and Performance of Blends and Composites of π-Conjugated Polymers and their Copolymers in DMFCs

Applications of Three Dithienylpyrroles-Based Electrochromic Polymers in High-Contrast Electrochromic Devices

Poly(tris(4-carbazoyl-9-ylphenyl)amine)/Three Poly(3,4-ethylenedioxythiophene) Derivatives in Complementary High-Contrast Electrochromic Devices

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