A5085538036- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- Advancements in Battery Materials
- Fuel Cells and Related Materials
- Conducting polymers and applications
- Advanced Battery Materials and Technologies
- Advanced Photocatalysis Techniques
- Electrochemical Analysis and Applications
- MXene and MAX Phase Materials
Bandung Institute of Technology
2022-2023
Nonprecious bifunctional oxygen reduction reaction (ORR)/oxygen evolution (OER) catalysts in wide pH electrolytes are crucial for the versatile use of electrochemical energy storage and conversion devices. Non-noble metal/nitrogen-doped carbon (M–N/C) has been reported as a promising candidate efficient cost-effective catalysts. Nevertheless, stability catalytic activity M–N/C range still limited, especially neutral acidic electrolytes. Here, we synthesized directly grown N-doped bamboo-like...
With the increasing demand for diversification of renewable energy sources, high activity and stability electrocatalysts in all pH ranges have been highlighted as one future directions electrochemical generation storage systems. Noble-metal-free nitrogen-doped carbon (M-N/C) has explored a substitute expensive platinum-based oxygen reduction reaction (ORR) electrocatalysts. However, its ORR remains limited to alkaline electrolytes. In acidic medium, low correspond metallic site dissolution...
Silicon anode is endowed with a high theoretical specific capacity. Unfortunately, its applicability in lithium-ion batteries hindered by several inevitable problems, which are associated volume changes (i.e., particle pulverization, solid electrolyte interphase layer instability, and electrode failure) low electrical conductivity of silicon. Among the accessible strategies to enhance performance, conductive polymer frameworks have been envisioned as solutions overcome problems. Conductive...
Abstract Flexible supercapacitors are attracting interest in wearable technologies as they can withstand mechanical deformations while delivering their energy storage function. Among frequently investigated electrode materials for flexible supercapacitors, polyaniline/graphene composites favorable due to synergistic properties that assure excellent specific capacitance, cycling stability, and high rate capability. This review highlights recent strategies advance structural designs synthesis...
Zinc–air batteries with seawater electrolyte utilize abundant and cheap resources. However, it requires an electrocatalyst high bifunctional activity in seawater. In this work, a carbon is obtained via one-step pyrolysis of the shell waste cranberry beans. During oxygen reduction reaction (ORR) electrolyte, bean shell-derived catalyst exhibits ORR onset potential 0.69 V vs RHE saturating current density 2.93 mA cm–2, which are promising compared to performance Pt/C (0.78 3.15 cm–2). OER...
Discovering sources of transition metals, such as Ni, Co, and Mn, has become crucial due to their broad applicability, particularly electrocatalysts for the oxygen evolution reaction (OER). Upcycled spent batteries have emerged alternatives metal OER electrocatalysts. In this work, Ni–Co–Mn oxalates were extracted from LiNixCoyMnzO2 (NCM) cathode lithium-ion batteries. The further processed via ball milling a rapid scalable mechanochemical route engineer structures. After calcination, oxides...
Zn-air batteries (ZABs) with neutral electrolytes offer a significantly longer lifespan and better recyclability than alkaline ones. However, low-performance bifunctional catalytic activities for oxygen reduction or evolution reaction (i.e., ORR/OER) in still hamper their development. Here, we report iron nanoparticle-decorated nitrogen/boron co-doped reduced graphene oxide aerogel (Fe-NBrGO) distinguished ORR/OER activity, enabling its application rechargeable ZABs. Taking advantage of the...
1D–1D heterostructured FeCo-N-doped carbon with brush-like structure has abundant active sites and interconnected conductive networks. The catalyst shows remarkable activities in oxygen reduction, evolution, hydrogen evolution reactions.