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Noble metal (Pd, Pt)-functionalized WSe monolayer for adsorbing and sensing thermal runaway gases in LIBs: a first-principles investigation.
Environ Res
January 2025
College of Energy and Electrical Engineering, Qinghai University, Xining, Qinghai, 810016, China; CHN Energy group Qinghai Electric Power Co., LTD, Xining, Qinghai, 810008, China. Electronic address:
This research using the first-principles theory introduces Pd- and Pt-functionalized WSe monolayers as promising materials for detecting three critical gases (H, CO, and CH), to evaluate the health of Li-ion battery (LIBs). Various sites on the pristine WSe monolayer are considered for the functionalization with Pd and Pt atoms. The adsorption performances of the determined Pd- and Pt-WSe monolayers upon the three gases are analyzed by the comparative highlight of the adsorption energy, bonding behavior and electron transfer.
View Article and Find Full Text PDFFire-retardant and thermally conductive polyacrylonitrile-based separators enabling the safety of lithium-ion batteries.
J Colloid Interface Sci
December 2024
College of Emergency Management, Nanjing Tech University, Nanjing 211816, China.
Lithium-ion batteries (LIBs) have broad application prospects in many fields because of their high energy density. However, the poor heat resistance of polyolefin membranes and uneven lithium deposition result in battery failure and even infamous thermal runaway behavior. To improve the intrinsic safety of batteries, fire-retardant, thermally conductive, electrospinning strategies are employed to acquire a functional polyacrylonitrile (PAN) nanofiber separator (PAN@FBN/TPP) containing modified boron nitride (FBN) and triphenyl phosphate (TPP).
View Article and Find Full Text PDFBuilding relational well-being: empowering street-connected young people to transition from precarity to security through youth associations.
BMJ Paediatr Open
January 2025
Citizens 4 Change, Tunbridge Wells, UK.
Street-connected young people (SCYP) in Tanzania face intersecting challenges, including economic vulnerability, social marginalisation and limited access to supportive networks. This study examines the impact of the Youth Association (YA) model, implemented by Railway Children Africa, and does so through the lens of the relational well-being approach, which emphasises the interplay of material, relational and subjective dimensions of well-being, as well as personal, societal and environmental drivers of well-being. Using a mixed methods design, this study tracked 116 SCYP in Mwanza and Dar es Salaam, Tanzania, through four stages of the YA model.
View Article and Find Full Text PDFMobile health van as an intervention to provide clinical support and health promotion to street children and marginalised populations in the National Capital Region of Delhi: a mixed-methods evaluation.
BMJ Paediatr Open
January 2025
University of New South Wales School of Women's and Children's Health, Randwick, New South Wales, Australia.
Background: Urban health challenges, particularly for street and slum-dwelling children and families, have emerged as one of the most significant health concerns in India. While there is little published on effective healthcare delivery to these populations, mobile health vans (MHV) have been proposed as a proactive pathway to providing outreach healthcare. Our aims were to evaluate the impact of Bal Umang Drishya Sanstha (BUDS) MHV in providing health and support services to the urban slum populations in Delhi National Capital Region (NCR), focusing on benefits to children.
View Article and Find Full Text PDFPRDM9 drives the location and rapid evolution of recombination hotspots in salmonid fish.
PLoS Biol
January 2025
Institut de Génétique Humaine, Univ Montpellier, Centre National de la Recherche Scientifique, Montpellier, France.
In many eukaryotes, meiotic recombination occurs preferentially at discrete sites, called recombination hotspots. In various lineages, recombination hotspots are located in regions with promoter-like features and are evolutionarily stable. Conversely, in some mammals, hotspots are driven by PRDM9 that targets recombination away from promoters.
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