Suppression of Pt Nanocluster Aggregation and Enhanced Oxygen Reduction Activity by Heteroatom Doping of Carbon Nanotubes

MA Haque, R Kurosaki, K Oiwa, K Ikeda… - ACS Applied Energy …, 2024 - ACS Publications
Increasing the performance of platinum (Pt) catalysts for the oxygen reduction reaction
(ORR) in polymer electrolyte membrane fuel cells could reduce the amount of this expensive …

Bifunctional rare metal-free electrocatalysts synthesized entirely from biomass resources

H Yabu, K Ishibashi, MS Grewal, Y Matsuo… - … and Technology of …, 2022 - Taylor & Francis
The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are important
processes for various energy devices, including polymer electrolyte fuel cells, rechargeable …

Ascorbic acid-modified dual-metal–organic-framework derived C-Fe/Fe 3 O 4 loaded on a N-doped graphene framework for enhanced electrocatalytic oxygen …

Y Zhang, N Zhang, L Shen, G Lin, P He, K Suo… - New Journal of …, 2022 - pubs.rsc.org
The exploration of economical, highly efficient and stable electrocatalysts for the oxygen
reduction reaction (ORR) is critical for large-scale industrial applications of clean energy …

Preparation of nanocellulose-based nitrogen-doped carbon aerogel electrocatalysts through hydrothermal pretreatment for zinc–air batteries

Y Wei, Y Huang, Y Pi, W Yang, L Wu, Y Luo… - New Journal of …, 2024 - pubs.rsc.org
Cellulose nanofiber (CNF) is an environmentally friendly material with a high specific
surface area, which is an ideal candidate for cathode catalysts in zinc–air batteries (ZABs) …

Trifunctional Rare‐Metal‐Free Electrocatalysts Prepared Entirely from Biomass

K Ishibashi, MS Grewal, K Ito, N Shoji… - Advanced Energy …, 2022 - Wiley Online Library
As part of ongoing efforts to realize a low‐carbon and hydrogen‐based society, there is an
increasing demand for high‐performance electrocatalysts, which are key materials for fuel …

Sustainable water-activated metal–air paper batteries based on waste biomass-based electrocatalysts

K Ishibashi, H Yabu - RSC Sustainability, 2024 - pubs.rsc.org
In this study, we synthesized a biomass-derived carbon alloy catalyst, termed “nano-blood
charcoal (NBC),” using dried blood meal and cellulose nanofibers (CNFs) sourced from sea …

Rare-metal-free high-performance water-activated paper battery: a disposable energy source for wearable sensing devices

K Ishibashi, S Ono, J Kamei, K Ito, H Yabu - RSC Applied Interfaces, 2024 - pubs.rsc.org
Lightweight, thin paper-based devices are attracting attention due to their portability, lower
metal and plastic use, and smaller environmental impact when discarded. For example …