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"Discharge process"

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https://www.readbyqxmd.com/read/28079211/electrolyte-controlled-discharge-product-distribution-of-na-o2-batteries-a-combined-computational-and-experimental-study
#1
Beizhou Wang, Ning Zhao, Youwei Wang, Wenqing Zhang, Wencong Lu, Xiangxin Guo, Jianjun Liu
Tuning the composition of discharge products is an important strategy to reduce charge potential, suppress side reactions, and improve the reversibility of metal-oxygen batteries. In the present study, first-principles calculations and experimental confirmation were performed to unravel the influence of O2 pressure, particle size, and electrolyte on the composition of charge products in Na-O2 batteries. The electrolytes with medium and high donor numbers (>12.5) are favorable for the formation of sole NaO2, while those with low donor numbers (<12...
January 12, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28076952/compactness-of-the-lithium-peroxide-thin-film-formed-in-li-o2-batteries-and-its-link-to-the-charge-transport-mechanism-insights-from-stochastic-simulations
#2
Yinghui Yin, Ruijie Zhao, Yue Deng, Alejandro A Franco
We simulated the discharge process of Li-O2 batteries and the growth of Li2O2 thin films at the mesoscale with a novel kinetic Monte Carlo model, which combined a stochastic description of mass transport and detailed elementary reaction kinetics. The simulation results show that the ordering of the Li2O2 thin film is determined by the interplay between diffusion and reaction kinetics. Due to the fast reaction kinetics on the catalyst, the Li2O2 formed in the presence of catalyst (cat-CNF) shows a low degree of ordering and is more likely to be amorphous...
January 19, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28024328/high-capacitance-mechanism-for-ti3c2tx-mxene-by-in-situ-electrochemical-raman-spectroscopy-investigation
#3
Minmin Hu, Zhaojin Li, Tao Hu, Shihao Zhu, Chao Zhang, Xiaohui Wang
MXenes represent an emerging family of conductive two-dimensional materials. Their representative, Ti3C2Tx, has been recognized as an outstanding member in the field of electrochemical energy storage. However, an in-depth understanding of fundamental processes responsible for the superior capacitance of Ti3C2Tx MXene in acidic electrolytes is lacking. Here, to understand the mechanism of capacitance in Ti3C2Tx MXene, we studied electrochemically the charge/discharge processes of Ti3C2Tx electrodes in sulfate ion-containing aqueous electrolytes with three different cations, coupled with in situ Raman spectroscopy...
December 27, 2016: ACS Nano
https://www.readbyqxmd.com/read/28009334/challenges-successes-and-opportunities-for-reducing-readmissions-in-a%C3%A2-referral-based-children-s-hospital-nicu
#4
R Bapat, R McClead, E Shepherd, G Ryshen, T Bartman
AIM: To evaluate readmission data in a level IV neonatal intensive care unit (NICU) to identify patient characteristics and process failures which serve as drivers for readmission. METHODS: Our center is a primary referral center in Central and Southeast Ohio, providing us a unique opportunity to evaluate readmissions. We studied our current discharge process, caregiver perception of discharge readiness, parental comfort and the pre-discharge and post-discharge characteristics of infants...
2016: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28008762/a-scalable-synthesis-of-honeycomb-like-ordered-mesoporous-carbon-nanosheets-and-their-application-in-lithium-sulfur-batteries
#5
Seung-Keun Park, Jeongyeon Lee, Taejin Hwang, Byungchul Jang, Yuanzhe Piao
There is a growing need to improve the electrical conductivity of the cathode and to suppress the rapid capacity decay during cycling in lithium-sulfur (Li-S) batteries. This can be achieved by developing facile methods for the synthesis of novel nanostructured carbon materials that can function as effective cathode hosts. In this paper, we report the scalable synthesis of ordered mesoporous carbon nanosheets (OMCNS) via the etching of self-assembled iron oxide/carbon hybrid nanosheets (IO-C NS), which serve as an advanced sulfur host for Li-S batteries...
December 23, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28003282/a-systematic-review-on-the-effect-of-the-organisation-of-hospital-discharge-on-patient-health-outcomes
#6
Bérengère Couturier, Fabrice Carrat, Gilles Hejblum
OBJECTIVE: The transition from hospital to home represents a key step in the management of patients and several problems related to this transition may arise, with potential adverse effects on patient health after discharge. The purpose of our study was to explore the association between components of the hospital discharge process including subsequent continuity of care and patient outcomes in the post-discharge period. DESIGN: Systematic review of observational and interventional studies...
December 21, 2016: BMJ Open
https://www.readbyqxmd.com/read/28001322/-giving-us-hope-parent-and-neonatal-staff-views-and-expectations-of-a-planned-family-centred-discharge-process-train-to-home
#7
Jenny Ingram, Maggie Redshaw, Sarah Manns, Lucy Beasant, Debbie Johnson, Peter Fleming, David Pontin
BACKGROUND: Preparing families and preterm infants for discharge is relatively unstructured in many UK neonatal units (NNUs). Family-centred neonatal care and discharge planning are recommended but variable. DESIGN AND PARTICIPANTS: Qualitative interviews with 37 parents of infants in NNUs, and 18 nursing staff and 5 neonatal consultants explored their views of discharge planning and perceptions of a planned family-centred discharge process (Train-to-Home). Train-to-Home facilitates communication between staff and parents throughout the neonatal stay, using a laminated train and parent booklets...
December 21, 2016: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/27997295/dementia-caregivers-and-live-discharge-from-hospice-what-happens-when-hospice-leaves
#8
Stephanie P Wladkowski
Hospice offers holistic support for individuals living with terminal illness and their caregivers. However, some individuals who enroll onto hospice services do not decline in health as quickly as determined by current regulations, termed a 'live discharge.' Persons with dementia are among those who experience a live discharge due to the slow physical decline associated with the disease. When a live discharge occurs, it affects not only the patient but also the caregiver(s). There is very little data on the outcomes of persons who experience a live discharge and even less on their caretakers...
December 20, 2016: Journal of Gerontological Social Work
https://www.readbyqxmd.com/read/27995027/plasma-image-edge-detection-based-on-the-visible-camera-in-the-east-device
#9
Shuangbao Shu, Chongyang Xu, Meiwen Chen, Zhendong Yang
The controlling of plasma shape and position are essential to the success of Tokamak discharge. A real-time image acquisition system was designed to obtain plasma radiation image during the discharge processes in the Experimental Advanced Superconducting Tokamak (EAST) device. The hardware structure and software design of this visible camera system are introduced in detail. According to the general structure of EAST and the layout of the observation window, spatial location of the discharging plasma in the image was measured...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27990797/flexible-overoxidized-polypyrrole-films-with-orderly-structure-as-high-performance-anodes-for-li-and-na-ion-batteries
#10
Tao Yuan, Jiafeng Ruan, Weimin Zhang, Zhuopeng Tan, Junhe Yang, Zi-Feng Ma, Shiyou Zheng
Flexible polypyrrole (PPy) films with highly ordered structures were fabricated by a novel vapor phase polymerization (VPP) process and used as the anode material in lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs). The PPy films demonstrate excellent rate performance and cycling stability. At a charge/discharge rate of 1 C, the reversible capacities of the PPy film anode reach 284.9 and 177.4 mAh g(-1) in LIBs and SIBs, respectively. Even at a charge/discharge rate of 20 C, the reversible capacity of the PPy film anode retains 54...
December 28, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27988468/porous-carbon-derived-from-sunflower-as-a-host-matrix-for-ultra-stable-lithium-selenium-battery
#11
Min Jia, Yubin Niu, Cuiping Mao, Sangui Liu, Yan Zhang, Shu-Juan Bao, Maowen Xu
A novel porous carbon material using the spongy tissue of sunflower as raw material is reported for the first time. The obtained porous carbon has an extremely high surface area of 2493.0m(2)g(-1), which is beneficial to focus on encapsulating selenium in it and have an inhibiting effect about diffusion of polyselenides over the charge/discharge processes used as the host matrix for Li-Se battery. The porous carbon/Se composite electrode with 63wt% selenium delivers a high specific capacitance of 319mAhg(-1) of the initial capacity, and maintains 290mAhg(-1), representing an extremely high capacity retention of 90...
December 8, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27977130/high-pseudocapacitance-in-feooh-rgo-composites-with-superior-performance-for-high-rate-anode-in-li-ion-battery
#12
Hui Qi, Liyun Cao, Jiayin Li, Jianfeng Huang, Zhanwei Xu, Yayi Cheng, Xingang Kong, Kazumichi Yanagisawa
Capacitive storage has been considered as one type of Li-ion storage with fast faradaic surface redox reactions to offer high power density for electrochemical applications. However, it is often limited by low extent of energy contribution during the charge/discharge process, providing insufficient influences to total capacity of Li-ion storage in electrodes. In this work, we demonstrate a pseudocapacitance predominated storage (contributes 82% of the total capacity) from an in-situ pulverization process of FeOOH rods on rGO (reduced graphene oxide) sheets for the first time...
December 28, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27960058/chemical-vs-electrochemical-formation-of-li2co3-as-a-discharge-product-in-li-o2-co2-batteries-by-controlling-the-superoxide-intermediate
#13
Wei Yin, Alexis Grimaud, Florent Lepoivre, Chunzhen Yang, Jean Marie Tarascon
The Li-O2/CO2 battery with high capacity has recently been proposed as a new protocol to convert CO2. However, the fundamental mechanism for the reaction still remains hazy. Here, we investigated the discharge processes of Li-O2/CO2 (70%/30%) batteries in two solvents, dimethyl sulfoxide (DMSO) and 1,2-dimethoxyethane (DME). During discharge, both solvents initially show the reduction of oxygen. However, afterward, the solvent affects the reaction pathways of superoxide species by solvating Li(+) with different strength, depending on the so-called donor number...
December 19, 2016: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/27940509/families-priorities-regarding-hospital-to-home-transitions-for-children-with-medical-complexity
#14
JoAnna K Leyenaar, Emily R O'Brien, Laurel K Leslie, Peter K Lindenauer, Rita M Mangione-Smith
BACKGROUND: National health care policy recommends that patients and families be actively involved in discharge planning. Although children with medical complexity (CMC) account for more than half of pediatric readmissions, scalable, family-centered methods to effectively engage families of CMC in discharge planning are lacking. We aimed to systematically examine the scope of preferences, priorities, and goals of parents of CMC regarding planning for hospital-to-home transitions and to ascertain health care providers' perceptions of families' transitional care goals and needs...
January 2017: Pediatrics
https://www.readbyqxmd.com/read/27936541/cadmium-removal-from-aqueous-solution-by-a-deionization-supercapacitor-with-a-birnessite-electrode
#15
Qichuan Peng, Lihu Liu, Yao Luo, Yashan Zhang, Wenfeng Tan, Fan Liu, Steven L Suib, Guohong Qiu
Birnessite is widely used as an excellent adsorbent for heavy metal ions and as active electrode materials for supercapacitors. The occurrence of redox reactions of manganese oxides is usually accompanied by the intercalation-deintercalation of cations during the charge-discharge processes of supercapacitors. In this study, based on the charge-discharge principle of the supercapacitor and excellent adsorption properties of birnessite, a birnessite-based electrode was used to remove Cd(2+) from aqueous solutions...
December 21, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27906716/infants-with-technology-dependence-facilitating-the-road-to-home
#16
Jennifer D Bowles, Amy J Jnah, Desi M Newberry, Carol A Hubbard, Tracey Roberston
BACKGROUND: The incidence of premature infants with complex medical needs, dependent upon medical technology at discharge, is on the rise in the United States. PURPOSE: Preparing the family for the hospital-to-home transition can be challenging due to the complex medical and emotional needs of the vulnerable infant and the volume of subspecialty services and equipment required. METHODS/SEARCH STRATEGY: Relevant articles from PubMed, Google Scholar, CINAHLFINDINGS/RESULTS:: There is an increasing incidence of technology dependent infants discharged from neonatal intensive care units in the United States...
December 2016: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/27899167/motivators-and-barriers-for-paediatricians-discharging-patients
#17
Erin Turbitt, Marina Kunin, Sarah Gafforini, Gary L Freed
The aim of this study was to identify motivators and barriers that paediatricians face when discharging patients from outpatient specialty care. A questionnaire was administered to outpatient care paediatricians in Victoria working in one of five speciality public hospital clinics. Questions focused on how important various motivators and barriers were in respondents' decision to discharge a patient from their clinic. Nearly all (91%, n=74) paediatricians invited to participate provided responses. The factor influencing the greatest proportion of paediatricians in their decision to discharge patients back to primary care was the potential that patients may not receive the required care from a GP...
November 30, 2016: Australian Journal of Primary Health
https://www.readbyqxmd.com/read/27869887/-anmco-position-paper-hospital-discharge-planning
#18
Mauro Mennuni, Michele Massimo Gulizia, Gianfranco Alunni, Antonio Francesco Amico, Francesco Maria Bovenzi, Roberto Caporale, Furio Colivicchi, Andrea Di Lenarda, Giuseppe Di Tano, Sabrina Egman, Francesco Fattirolli, Domenico Gabrielli, Giovanna Geraci, Giovanni Gregorio, Gian Francesco Mureddu, Federico Nardi, Donatella Radini, Carmine Riccio, Fausto Rigo, Marco Sicuro, Stefano Urbinati, Guerrino Zuin
Hospital discharge is often poorly standardized and is characterized by discontinuity and fragmentation of care, putting patients at high risk of post-discharge adverse events and early readmission. The present ANMCO position paper reviews the modifiable components of the hospital discharge process related to adverse events or rehospitalizations and suggests the optimal methods for redesign the whole discharge process. The key principles for proper hospital discharge or transfer of care acknowledge that hospital discharge:- is not an isolated event, but a process that has to be planned immediately after admission, ensuring that the patient and the caregiver understand and contribute to the planned decisions as equal partners;- is facilitated by a comprehensive systemic approach that begins with a multidimensional evaluation process;- must be organized by an operator who is responsible for the coordination of all phases of the hospital patient pathway, involving afterwards the physician and transferring to them the information and responsibility;- is the result of an integrated multidisciplinary team approach;- uses appropriately the transitional and intermediate care services;- is carried out in an organized system of care and continuum of services;- programs the passage of information to after-discharge services...
September 2016: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/27857225/charge-storage-mechanisms-of-manganese-oxide-nanosheets-and-n-doped-reduced-graphene-oxide-aerogel-for-high-performance-asymmetric-supercapacitors
#19
Pawin Iamprasertkun, Atiweena Krittayavathananon, Anusorn Seubsai, Narong Chanlek, Pinit Kidkhunthod, Winyoo Sangthong, Santi Maensiri, Rattikorn Yimnirun, Sukanya Nilmoung, Panvika Pannopard, Somlak Ittisanronnachai, Kanokwan Kongpatpanich, Jumras Limtrakul, Montree Sawangphruk
Although manganese oxide- and graphene-based supercapacitors have been widely studied, their charge storage mechanisms are not yet fully investigated. In this work, we have studied the charge storage mechanisms of K-birnassite MnO2 nanosheets and N-doped reduced graphene oxide aerogel (N-rGOae) using an in situ X-ray absorption spectroscopy (XAS) and an electrochemical quart crystal microbalance (EQCM). The oxidation number of Mn at the MnO2 electrode is +3.01 at 0 V vs. SCE for the charging process and gets oxidized to +3...
November 18, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27803504/incorporating-a-pharmacist-into-the-discharge-process-a-unit-based-transitions-of-care-pilot
#20
Hanlin Li, William Guffey, Laura Honeycutt, Timothy Pasquale, Nigel L Rozario, Angie Veverka
Objective: To evaluate the impact of a multifaceted, pharmacy-driven, unit-based transitions of care (TOC) program on all-cause 30-day readmission rates and to assess readmission rates in predefined subgroup patient populations. Methods: This prospective study included adult patients who were discharged from the pilot unit from January 5 to January 30, 2015. Patients who expired during hospitalization, left the hospital against medical advice, or transferred to another unit or nonaffiliated hospital were excluded...
October 2016: Hospital Pharmacy
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