Relevant bibliographies by topics / ORR, Electrochemistry, Pt-free, Zn-air battery

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  1. Journal articles

Academic literature on the topic 'ORR, Electrochemistry, Pt-free, Zn-air battery'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "ORR, Electrochemistry, Pt-free, Zn-air battery"

1

Yanhua, Lei, Ning Tan, Xinglong Tao, et al. "Innovative Fabrication of Pd/Pd4S Based Highly Active Electrocatalysts for ORR in a Primary Zn-Air Battery." Journal of The Electrochemical Society 169, no. 2 (2022): 024514. http://dx.doi.org/10.1149/1945-7111/ac4dac.

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On account of their high theoretical energy density and minimal cost, Zn-air batteries have gotten a lot of interest as a viable energy storage technology. However, the problem of a high overpotential at the cathode because of the slow oxygen reduction reaction (ORR) kinetics persists. Developing an efficient cathode ORR catalyst and exceeding in performance in comparison to the existing and widely utilized Pt-based catalysts is still a formidable challenge. Herein, this study focuses on the design of a Pt-free catalyst, precisely, Pd/Pd4S based electrocatalysts to enhance ORR performance of c
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2

Zhang, Xiangkun, Yun Li, Jingru Ren, and Yongmin Huang. "Synthesis of a Zn/Fe–N–C electrocatalyst towards efficient oxygen reduction reaction via a facile one-pot method." Materials Research Express 9, no. 2 (2022): 025604. http://dx.doi.org/10.1088/2053-1591/ac569e.

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Abstract The high price and unsatisfactory stability of Pt-based catalysts for the sluggish oxygen reduction reaction (ORR) severely limit the development of fuel cells and metal-air batteries. Therefore, developing Pt-free electrocatalysts with excellent activities and stabilities is significant. Herein, an efficient Zn/Fe–N–C electrocatalyst is synthesized via a facile one-pot method. Owing to its curved nanosheet structure, appropriate microporous and mesoporous specific surface areas, abundant defects and high Fe–Nx content, Zn/Fe–N–C exhibits remarkable ORR activity and stability in alkal
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3

Song, Dongmei, Changgang Hu, Zijian Gao, et al. "Metal–Organic Frameworks (MOFs) Derived Materials Used in Zn–Air Battery." Materials 15, no. 17 (2022): 5837. http://dx.doi.org/10.3390/ma15175837.

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It is necessary to develop new energy technologies because of serious environmental problems. As one of the most promising electrochemical energy conversion and storage devices, the Zn–air battery has attracted extensive research in recent years due to the advantages of abundant resources, low price, high energy density, and high reduction potential. However, the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) of Zn–air battery during discharge and charge have complicated multi-electron transfer processes with slow reaction kinetics. It is important to develop efficient and
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4

Hong, Wei, Xia Wang, Hongying Zheng, Rong Li, Rui Wu, and Jun Song Chen. "Molten-Salt-Assisted Synthesis of Nitrogen-Doped Carbon Nanosheets Derived from Biomass Waste of Gingko Shells as Efficient Catalyst for Oxygen Reduction Reaction." Processes 9, no. 12 (2021): 2124. http://dx.doi.org/10.3390/pr9122124.

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Developing superior efficient and durable oxygen reduction reaction (ORR) catalysts is critical for high-performance fuel cells and metal–air batteries. Herein, we successfully prepared a 3D, high-level nitrogen-doped, metal-free (N–pC) electrocatalyst employing urea as a single nitrogen source, NaCl as a fully sealed nanoreactor and gingko shells, a biomass waste, as carbon precursor. Due to the high content of active nitrogen groups, large surface area (1133.8 m2 g−1), and 3D hierarchical porous network structure, the as-prepared N–pC has better ORR electrocatalytic performance than the comm
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5

Kim, Seonghee, Hyun Park, and Oi Lun Li. "Cobalt Nanoparticles on Plasma-Controlled Nitrogen-Doped Carbon as High-Performance ORR Electrocatalyst for Primary Zn-Air Battery." Nanomaterials 10, no. 2 (2020): 223. http://dx.doi.org/10.3390/nano10020223.

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Metal–air batteries and fuel cells have attracted much attention as powerful candidates for a renewable energy conversion system for the last few decades. However, the high cost and low durability of platinum-based catalysts used to enhance sluggish oxygen reduction reaction (ORR) at air electrodes prevents its wide application to industry. In this work, we applied a plasma process to synthesize cobalt nanoparticles catalysts on nitrogen-doped carbon support with controllable quaternary-N and amino-N structure. In the electrochemical test, the quaternary-N and amino-N-doped carbon (Q-A)/Co cat
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6

Li, Yuan, Xinyao Wang, Hong Wang, et al. "“Pharaoh’s Snakes” Reaction-Derived Carbon with Favorable Structure and Composition as Metal-Free Oxygen Reduction Reaction Electrocatalyst." Catalysts 13, no. 7 (2023): 1059. http://dx.doi.org/10.3390/catal13071059.

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Metal-air batteries rely on the oxygen reduction reaction (ORR) for their operation. However, the ORR is kinetically slow, necessitating the use of Pt-based catalysts, which is hindered by their high cost and limited availability. Consequently, considerable efforts have been dedicated to developing metal-free catalysts for the ORR. Among these, heteroatom-doped carbons have emerged as promising candidates by manipulating their composition and microstructure. Inspired by the ancient “Pharaoh’s snakes” reaction, this study utilized sugar, melamine, and a polymerizable ionic liquid as precursors
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7

Zhao, Siqi, Deliang Chen, Yawu Gao, et al. "One-Pot Synthesis of Fe–N–C Species-Modified Carbon Nanotubes for ORR Electrocatalyst with Overall Enhanced Performance Superior to Pt/C." Nano 16, no. 03 (2021): 2150028. http://dx.doi.org/10.1142/s1793292021500284.

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Novel synthesis of efficient noble-metal-free electrocatalysts for both oxygen reduction/evolution reaction (ORR/OER) in energy conversion devices (e.g., fuel cells, metal–air batteries) is of essential significance for further sustainable development. This paper reports a facile synthesis of Fe–N–C species-modified carbon nanotubes (F/N-CNTs) for ORR application by directly pyrolyzing a fluffy hybrid precursor at a moderate temperature ([Formula: see text]C) in Ar. The fluffy hybrid precursors consisting of nitro-hydrochloric-acid-treated CNTs, melamine and Fe[Formula: see text] species are p
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8

Luong, Samantha, Anand Chandra Singh, Xia Tong, Dayna Wiebe, and Viola Ingrid Birss. "N-Doped Colloid Imprinted Carbons As Promising ORR Catalysts for Alkaline Applications." ECS Meeting Abstracts MA2022-01, no. 7 (2022): 632. http://dx.doi.org/10.1149/ma2022-017632mtgabs.

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The oxygen reduction reaction (ORR) has long been of interest in relation to its many energy applications and interesting multi-pathway mechanisms. The ORR is a key reaction in a range of electrochemical energy conversion and storage devices, such as hydrogen fuel cells and metal-air batteries, respectively. These devices are expected to play an ever-increasing role in the global transition to net zero emissions. Metal-air batteries, such as Zn/air batteries, can operate at room temperature, use recyclable materials, are environmentally friendly, and are preferred in relation to consumer safet
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9

Dong, Xiaoyang, Jinxing Wang, Xiao Wang, et al. "Prussian Blue Analogue Derived Co3O4/CuO Nanoparticles as Effective Oxygen Reduction Reaction Catalyst for Magnesium-Air Battery." Journal of The Electrochemical Society 169, no. 1 (2022): 010532. http://dx.doi.org/10.1149/1945-7111/ac4b25.

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Developing efficient, durable, and cost-effective non-noble metal catalysts for oxygen reduction reaction (ORR) is necessary to promote the efficiency and performance of Mg-air batteries. Herein, the Co3O4/CuO nanoparticles were synthesized by a low-cost and simple approach using CuCo-based prussian blue analogue (PBA) as precursor of pyrolysis at different calcination temperatures. It was found that the Co3O4/CuO nanoparticles calcined at 600 °C (CCO-600) have relatively small size and superior ORR performance. The onset potential is 0.889 V and the diffusion limiting current density achieves
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10

Blackstone, Chance, and Anna Ignaszak. "Van der Waals Heterostructures—Recent Progress in Electrode Materials for Clean Energy Applications." Materials 14, no. 13 (2021): 3754. http://dx.doi.org/10.3390/ma14133754.

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The unique layered morphology of van der Waals (vdW) heterostructures give rise to a blended set of electrochemical properties from the 2D sheet components. Herein an overview of their potential in energy storage systems in place of precious metals is conducted. The most recent progress on vdW electrocatalysis covering the last three years of research is evaluated, with an emphasis on their catalytic activity towards the oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER). This analysis is conducted in pair with the most active Pt-based comme
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