Results 231 to 240 of about 112,664 (301)

Structurally Tunable Graphitized Mesoporous Carbon for Enhancing the Accessibility and Durability of Cathode Pt-Based Catalysts for Proton Exchange Membrane Fuel Cells. [PDF]

Small Sci
Wu M, Meng Z, Xiong Y, Zhang H, Zhang A, Zhang H, Zhu L, Tang H, Tian T, Tang H.   +9 more
europepmc   +1 more source

Atomic Layer Deposition‐Modified Bifunctional Electrocatalysts for Rechargeable Zinc‐Air Batteries: Boosting Activity and Cycle Life

Advanced Energy Materials, EarlyView.
The transition metal oxide is precisely deposited on the catalyst surface via atomic layer deposition (ALD), forming a protective layer with catalytic activity. Electrochemical experiments, theoretical calculations, and in situ X‐ray absorption spectroscopy (XAS) battery testing collectively demonstrate that the modified transition metal oxide ...
Fang Dong, Zhangsen Chen, Ning Chen, Gaixia Zhang, Shuhui Sun   +4 more
wiley   +1 more source

Wearable Thermoelectric Generators for In Vivo Modulation of Insulin Release

Advanced Energy Materials, EarlyView.
This work presents a wearable, self‐powered thermoelectric system (IGNITE) that sustainably harvests body heat to electrically stimulate engineered human cells for insulin release. Operating autonomously without batteries, IGNITE achieves glycemic control in diabetic mice, demonstrating a significant advance in bioelectronic medicine and setting the ...
Debasis Maity, Jinbo Huang, Martin Fussenegger   +2 more
wiley   +1 more source

Bio‐Inspired Cascade Photocatalysis on Fe Single‐Atom Carbon Nitride Upcycles Plastic Wastes for Effective Acetic Acid Production

Advanced Energy Materials, EarlyView.
This work demonstrates a novel cascade photocatalysis concept using Fe single‐atom catalysts (Fe@C3N4 SAC) to directly upcycle plastics (PET, PP, PE, PVC) into valuable acetic acid at ambient conditions. Inspired by microbial degradation, the bifunctional cascade photocatalyst combines Fenton‐like oxidation and CO2 photoreduction, as validated by ...
Wei Wei, Cheng Du, Jiawei Ge, Xiang Wang, Zuolong Chen, Meng Zhang, Tao Guo, Lei Wang, Maoyu Wang, Yuzi Liu, Hua Zhou, Chengjun Sun, Ning Chen, Weifeng Chen, Brant Billinghurst, Mohsen Shakouri, Peter Sprenger, Fatemeh Fani Sani, Yulian Quan, Brian Kendall, Roy Brouwer, Yimin A. Wu   +21 more
wiley   +1 more source

Phosphorus-Modified Palladium and Tungsten Carbide/Mesoporous Carbon Composite for Hydrogen Oxidation Reaction of Proton Exchange Membrane Fuel Cells. [PDF]

Nanomaterials (Basel)
Bae G, Byun WJ, Lee JH, Lee MH, Choi Y, Kim JY, Youn DH.   +6 more
europepmc   +1 more source

Breaking the Durability–Power Trade‐Off: Boron‐Directed Faceted O3 Cathodes for High‐Rate Sodium‐Ion Batteries

Advanced Energy Materials, EarlyView.
Boron‐oxide‐assisted particle engineering stabilizes O3‐type layered cathodes for sodium‐ion batteries by mitigating phase transitions and lattice strain. Acting as flux and structural modifier, boron forms submicron hexagonal platelets with (003) facets and expanded Na‐layer spacing, enabling rapid Na⁺ diffusion and mechanical resilience.
Tengfei Song, Alexis Manche, Dongrui Xie, Bowen Liu, Chenglong Wu, Bo Dong, Reda Malakauskaite, Manoj Ovhal, David O. Scanlon, Emma Kendrick   +9 more
wiley   +1 more source

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Mesoporous Activated Carbon Filaments

MRS Proceedings, 1996
ABSTRACTActivated carbon filaments of diameter ∼0.1 μm, main pore size (BJH) 55 Å, specific surface area 1310 m2/g and yield 36.2% were obtained by activating carbon filaments of diameter ∼ 0.1 urn in C02 + N2 (1:1) at 970°C for 80 min. Prior to this activation, the filaments were surface oxidized by exposure to ozone.
W. Lu, D.D.L. Chung
openaire   +1 more source

Ordered Mesoporous Carbons

Advanced Materials, 2001
Ordered mesoporous carbons have recently been synthesized using ordered mesoporous silica templates. The synthesis procedure involves infiltration of the pores of the template with appropriate carbon precursor, its carbonization, and subsequent template removal.
Ryoo, R, Joo, Sang Hoon, Kruk, M, Jaroniec, M   +3 more
openaire   +1 more source