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In Situ Conversion of Artificial Proton-Rich Shell to Inorganic Maskant Toward Stable Single-Crystal Ni-Rich Cathode.
Adv Mater
December 2024
School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen, 518055, China.
Single-crystal high-nickel oxide with an integral structure can prevent intergranular cracks and the associated detrimental reactions. Yet, its low surface-to-volume ratio makes surficial degradation a more critical factor in electrochemical performance. Herein, artificial proton-rich (ammonium bicarbonate) shell is successfully introduced on the nickel-rich LiNiCoMnO single crystals for in situ electrochemically conversing into inorganic maskant to enhance stability of cathode.
View Article and Find Full Text PDFEffect and safety of intravenous iron compared to oral iron for treatment of iron deficiency anaemia in pregnancy.
Cochrane Database Syst Rev
December 2024
Medical Research Council Clinical Trials Unit, Institute for Clinical Trials and Methodology, University College London, London, UK.
Rationale: Intravenous iron is increasingly used to treat iron-deficient anaemia (IDA) in pregnancy. A previous network meta-analysis suggested that intravenous irons have a greater effect on haematological parameters than oral irons; however, the impact on serious pregnancy complications such as postpartum haemorrhage (PPH) or the need for blood transfusion was unclear. Since then, several new randomised controlled trials (RCTs) have been conducted.
View Article and Find Full Text PDFExploring Azolla as a sustainable feedstock for eco-friendly bioplastics: A review.
Heliyon
October 2024
School of Environment, College of Engineering, Faculty of Environment, University of Tehran, P.O. Box 14155-6135, Tehran, Iran.
In today's world, environmental concerns about plastic pollution of aquatic and terrestrial ecosystems are at the forefront of many conversations. However, a solution that is gaining momentum is bioplastics. Bioplastics come from sustainable biological sources such as plants, bio-waste, or microorganisms, rather than non-renewable fossil fuels like petroleum or natural gas.
View Article and Find Full Text PDFHigh-Efficiency Perovskite Solar Cells Enabled by Guanylation Reaction for Removing MACl Residual and In-Situ Forming 2D Perovskite.
Angew Chem Int Ed Engl
December 2024
Sichuan University, School of Chemical Engineering, No.24 South Section 1, Yihuan Road, 610065, Chengdu, CHINA.
Article Synopsis
- The deprotonation of methylammonium chloride negatively affects the performance of formamidinium-based perovskite in inverted solar cells, impacting efficiency and stability.
- A new additive, methyl carbamimidothioate hydroiodide (MCH), enhances perovskite formation by creating a guanylation reaction that produces methyl-substituted guanidine (MSG), leading to improved crystal growth and stability in the perovskite structure.
- MCH-treated solar cells demonstrated impressive power conversion efficiencies of up to 26.81%, with excellent stability, maintaining over 91% of their initial efficiencies after extensive aging tests.
Beyond : proposing a one-letter code for nucleobase-mediated molecular recognition.
J Mater Chem B
January 2025
Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
Article Synopsis
- * Although researchers have created new hydrogen-bonding motifs that mimic nucleobases for various applications, the lack of a standardized vocabulary for describing these patterns has led to confusion in communication.
- * The article discusses the need for a concise one-letter coding system for hydrogen-bond patterns to improve collaboration and understanding among researchers in the field of synthetic nucleobases.
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