Results 141 to 150 of about 45,435 (280)

Toward personalized healthcare: Advances in two‐dimensional nanomaterial‐based flexible electrochemical sensors for physiological monitoring

open access: yesBMEMat, EarlyView.
This review provides an overview of the properties, composites and application of two‐dimensional (2D) nanomaterials for wearable electrochemical biosensors. Also, the challenges and future prospects of utilizing 2D nanomaterials in wearable electrochemical biosensor applications are discussed.
Kou Zhang   +8 more
wiley   +1 more source

Harnessing Carbon‐Containing Materials for Next‐Generation High‐Temperature Electromagnetic Wave Absorbers

open access: yesCarbon Energy, EarlyView.
Traditional carbon materials show limited high‐temperature oxidation resistance, which becomes pronounced above 673 K and significantly restricts their practical applicability. To address this challenge, enhancing polarization loss and leveraging its negative temperature dependence to offset the temperature‐induced increase in conductance loss are ...
Yang Li   +9 more
wiley   +1 more source

Multiwalled Carbon Nanotubes (MWCNTs) [PDF]

open access: yes, 2016
Gabriela Juarez-Martinez   +63 more
openaire   +2 more sources

Recent Progress of Na3MnTi(PO4)3 Cathode for Sodium‐Ion Batteries: Mechanism, Synthesis, and Optimization Strategy

open access: yesCarbon Energy, EarlyView.
Na3MnTi(PO4)3 (NMTP) combines the inherent structural stability and high‐voltage characteristics of NASICON‐type frameworks, positioning it as a highly promising cathode candidate for practical sodium‐ion batteries. To date, substantial progress has been achieved in NMTP research, and this article provides a comprehensive review of its development and ...
Shanshan Lv   +6 more
wiley   +1 more source

Eco‐Friendly Synthesis of Cobalt Phthalocyanine for High‐Efficiency CO2${\rm CO}_{2}$ Electroreduction

open access: yesChemistry – A European Journal, EarlyView.
A sustainable synthesis of cobalt phthalocyanine (CoPc) using low‐impact solvents yields high‐performance electrocatalysts with reduced waste (E‐factor 18.6). When integrated into gas diffusion electrodes, CoPc achieves up to 12% Faradays efficiency for CO2‐to‐methanol and 65% CO2‐to‐CO conversion, aligning with state‐of‐the‐art materials and enabling ...
Gloria Zanotti   +10 more
wiley   +1 more source

Sustainable Live Sound Monitoring and Classification System Enabled by a Triboelectric Nanogenerator and Machine Learning Techniques

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A high‐performance Triboelectric Nanogenerator (TENG) acoustic sensor using polyimine/graphite polypropylene (PI/GP) was developed for real‐time, sustainable sound monitoring and classification. The self‐powered device delivers 25.67 μW output power, 92.7% accuracy with MobileNet V1, and powers a wireless transmission circuit, demonstrating dual ...
Majid Haji Bagheri   +8 more
wiley   +1 more source

Gallium Vanadium Oxide‐Based Free‐Standing Versatile Electrode for Next‐Generation Lithium and Sodium Energy Storage: Combined Experimental and First‐Principles Insights into Electrochemical Performance

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A gallium vanadium oxide (GVO)‐based free‐standing electrode is fabricated via a two‐step process involving a wet ball mill followed by thermal treatment and the surface‐engineered tape casting technique. The resulting GVO‐based free‐standing composite electrode has been successfully utilized for four distinct energy storage applications without any ...
Amarsingh Bhabu Kanagaraj   +6 more
wiley   +1 more source

Challenges and Advancements in High‐Nickel Layered Oxides Cathode Material for Lithium‐Ion Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
As a representative high‐energy‐density cathode material for lithium‐ion batteries, NCM811 still encounters critical challenges. This review provides a comprehensive analysis of its failure mechanisms, summarizes recent modification strategies, and highlights the contributions of advanced characterization and simulation techniques to performance ...
Yunshan Zheng   +10 more
wiley   +1 more source

Synthesis and Characterization of Nanostructured Thorium Carbide for Radioactive Ion Beam Production. [PDF]

open access: yesNanomaterials (Basel)
Reis E   +8 more
europepmc   +1 more source

Synthetic Engineering of Manganese Oxide–Carbon Nanocomposites for Maximized Metal Utilization in Supercapacitors

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A one‐pot metal–ammonia synthesis enables uniform Mn2O3 nanoparticle deposition on activated carbon, yielding composites with excellent electrochemical performance in supercapacitors. The method maximizes manganese utilization, eliminates toxic solvents, and achieves 34% of the theoretical maximum capacitance, significantly outperforming existing Mn–C ...
Katrina Mazloomian   +4 more
wiley   +1 more source

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