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"Discharge process"

Zhenxin Zhang, Satoshi Ishikawa, Masaki Kikuchi, Hirofumi Yoshikawa, Qi Lian, Heng Wang, Toshiaki Ina, Akihiro Yoshida, Masahiro Sadakane, Futoshi Matsumoto, Wataru Ueda
The development of cathode-active material of Li battery is important for the current emerging energy transferring and saving problems. A stable crystalline microporous complex metal oxide based on Mo, V, and Bi is an active and suitable material for Li battery. High capacity (380 Ah/kg) and stable cycle performance are achieved. X-ray absorption near-edge structure analyses demonstrate that the original Mo(6+) and V(4+) ions are reduced to Mo(4+) and V(3+) in the dis-charging process, respectively, which results in a 70-electron reduction per formula...
July 18, 2017: ACS Applied Materials & Interfaces
Ndidi Unaka, Angela Statile, Karen Jerardi, Devesh Dahale, Joan Morris, Brianna Liberio, Ashley Jenkins, Blair Simpson, Randi Mullaney, Jodi Kelley, Michelle Durling, Jennifer Shafer, Patrick Brady
BACKGROUND: Readable discharge instructions may help caregivers understand and implement care plans following hospitalization. Many caregivers of hospitalized children, however, have limited literacy. We aimed to increase the percentage of discharge instructions written at 7th grade level or lower for hospital medicine patients from 13% to 80% in 6 months. METHODS: Quality improvement efforts targeted a 42-bed unit at the community satellite of our large, urban academic hospital...
July 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
Molly A Martin, Valerie G Press, Kim Erwin, Helen Margellos-Anast, Stacy Ignoffo, Kate Sheridan McMahon, Giselle Mosnaim, Jessica Ramsay, S Margaret Paik
OBJECTIVE: Coordinated Healthcare Interventions for Childhood Asthma Gaps in Outcomes (CHICAGO Plan) is a 3-arm multicenter pragmatic trial to evaluate asthma interventions in high-risk Chicago children presenting to Emergency Departments (ED) with asthma. A formative evaluation with end-users to provide input into the trial design and outcome instruments was conducted prior to trial initiation. METHODS: A multi-level data gathering framework from the field of design and standard qualitative methods were employed...
July 12, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
Zhensheng Hong, Meiling Kang, Xiaohui Chen, Kaiqiang Zhou, Zhigao Huang, Mingdeng Wei
TiO2 is a most promising anode candidate for rechargeable Na-ion batteries (NIBs) due to its appropriate working voltage, low cost and superior structural stability during chage/discharge process. Nevertheless, it suffers from intrinsically low electrical conductivity. Herein, we report an in-situ synthesis of Co2+ doped TiO2 through the thermal treatment of metal organic frameworks precursors of MIL-125(Ti)-Co as a superior anode material for NIBs. The Co2+ doped TiO2 possesses uniform nanodisk morphology, a large surface area and mesoporous structure with narrow pore distribution...
July 11, 2017: ACS Applied Materials & Interfaces
Jiarui He, Liu Luo, Yuanfu Chen, Arumugam Manthiram
Owing to the high theoretical specific capacity (1675 mA h g(-1) ) and low cost, lithium-sulfur (Li-S) batteries offer advantages for next-generation energy storage. However, the polysulfide dissolution and low electronic conductivity of sulfur cathodes limit the practical application of Li-S batteries. To address such issues, well-designed yolk-shelled carbon@Fe3 O4 (YSC@Fe3 O4 ) nanoboxes as highly efficient sulfur hosts for Li-S batteries are reported here. With both physical entrapment by carbon shells and strong chemical interaction with Fe3 O4 cores, this unique architecture immobilizes the active material and inhibits diffusion of the polysulfide intermediates...
July 10, 2017: Advanced Materials
Jiantie Xu, Javeed Mahmood, Yuhai Dou, Shixue Dou, Feng Li, Liming Dai, Jong-Beom Baek
Novel layered 2D frameworks (C3 N and C2 N-450) with well-defined crystal structures are explored for use as anode materials in lithium-ion batteries (LIBs) for the first time. As anode materials for LIBs, C3 N and C2 N-450 exhibit unusual electrochemical characteristics. For example, C2 N-450 (and C3 N) display high reversible capacities of 933.2 (383.3) and 40.1 (179.5) mAh g(-1) at 0.1 and 10 C, respectively. Furthermore, C3 N shows a low hypothetical voltage (≈0.15 V), efficient operating voltage window with ≈85% of full discharge capacity secured at >0...
July 10, 2017: Advanced Materials
Hongling Lv, Renpeng Chen, Xiaoqi Wang, Yi Hu, Yanrong Wang, Tao Chen, Lianbo Ma, Guoyin Zhu, Jia Liang, Zuoxiu Tie, Jie Liu, Zhong Jin
Selenium (Se) has great promise to serve as cathode material for rechargeable batteries, owing to the good conductivity and high theoretical volumetric energy density comparable to sulfur. Herein, we report the preparation of mesoporous nitrogen-doped carbon scaffolds (NCSs) to restrain selenium for advanced lithium-selenium (Li-Se) batteries. The NCSs synthesized by a bottom-up solution-phase method have graphene-like laminar structure and well-distributed mesopores. The unique architecture of NCSs can severe as conductive framework for encapsulating selenium and polyselenides, and provide sufficient pathways to facilitate ion transport...
July 10, 2017: ACS Applied Materials & Interfaces
Vincent Pinelli, Heather L Stuckey, Jed D Gonzalo
In hospital-based medicine units, patients have a wide range of complex medical conditions, requiring timely and accurate communication between multiple interprofessional providers at the time of discharge. Limited work has investigated the challenges in interprofessional collaboration and communication during the patient discharge process. In this study, authors qualitatively assessed the experiences of internal medicine providers and patients about roles, challenges, and potential solutions in the discharge process, with a phenomenological focus on the process of collaboration...
July 7, 2017: Journal of Interprofessional Care
Heather E Canary, Victoria Wilkins
Hospital discharge processes are complex and confusing, and can detrimentally affect patients, families, and providers. This qualitative study investigated pediatric hospital discharge experiences from the perspectives of parents of children with acute and chronic health conditions, primary care providers, and hospitalists. Focus groups and interviews with parents, primary care providers, and hospitalists were used to explore discharge experiences and ideas for improvement offered by participants. Using an iterative approach to analyze data resulted in five major themes for discharge experiences: (a) discharge problems, (b) teamwork, (c) ideal discharge, (d) care chasm, and (e) discharge paradox...
July 2017: Qualitative Health Research
Yuxin Tang, Jiyang Deng, Wenlong Li, Oleksandr I Malyi, Yanyan Zhang, Xinran Zhou, Shaowu Pan, Jiaqi Wei, Yurong Cai, Zhong Chen, Xiaodong Chen
Spinel LiNi0.5 Mn1.5 O4 (LNMO) is the most promising cathode material for achieving high energy density lithium-ion batteries attributed to its high operating voltage (≈4.75 V). However, at such high voltage, the commonly used battery electrolyte is suffered from severe oxidation, forming unstable solid-electrolyte interphase (SEI) layers. This would induce capacity fading, self-discharge, as well as inferior rate capabilities for the electrode during cycling. This work first time discovers that the electrolyte oxidation is effectively negated by introducing an electrochemically stable silk sericin protein, which is capable to stabilize the SEI layer and suppress the self-discharge behavior for LNMO...
July 3, 2017: Advanced Materials
Shiqiang Huang, Ling-Zhi Cheong, Deyu Wang, Cai Shen
Silicon as the potential anode material for lithium-ion batteries suffers from huge volume change (up to 400%) during charging/discharging processes. Poor electrical conductivity of silicon also hinders its long-term cycling performance. Herein, we report a two-step ball milling method to prepare nanostructured P-doped Si/graphite composite. Both P-doped Si and coated graphite improved the conductivity by providing significant transport channels for lithium ions and electrons. The graphite skin is able to depress the volume expansion of Si by forming a stable SEI film...
July 6, 2017: ACS Applied Materials & Interfaces
Xiao-Yu Yong, Zhi-Ying Yan, Hai-Bo Shen, Jun Zhou, Xia-Yuan Wu, Li-Juan Zhang, Tao Zheng, Min Jiang, Ping Wei, Hong-Hua Jia, Yang-Chun Yong
Microbial fuel cell (MFC) is a promising device for energy generation and organic waste treatment simultaneously by electrochemically active bacteria (EAB). In this study, an integrated aerobic-anaerobic strategy was developed to improve the performance of P. aeruginosa-inoculated MFC. With an aerobic start-up and following an anaerobic discharge process, the current density of MFC reached a maximum of 99.80µA/cm(2), which was 91.6% higher than the MFC with conventional constant-anaerobic operation. Cyclic voltammetry and HPLC analysis showed that aerobic start-up significantly increased electron shuttle (pyocyanin) production (76% higher than the constant-anaerobic MFC)...
October 2017: Bioresource Technology
Louise S van Galen, Mikkel Brabrand, Tim Cooksley, Peter M van de Ven, Hanneke Merten, Ralph Kl So, Loes van Hooff, Harm R Haak, Rachel M Kidney, Christian H Nickel, John Ty Soong, Immo Weichert, Mark Hh Kramer, Christian P Subbe, Prabath Wb Nanayakkara
OBJECTIVES: Because of fundamental differences in healthcare systems, US readmission data cannot be extrapolated to the European setting: To investigate the opinions of readmitted patients, their carers, nurses and physicians on predictability and preventability of readmissions and using majority consensus to determine contributing factors that could potentially foresee (preventable) readmissions. DESIGN: Prospective observational study. Readmitted patients, their carers, and treating professionals were surveyed during readmission to assess the discharge process and the predictability and preventability of the readmission...
June 22, 2017: BMJ Quality & Safety
Yijun Yang, Xizheng Liu, Zhonghua Dai, Fangli Yuan, Yoshio Bando, Dmitri Golberg, Xi Wang
The development of rechargeable batteries with high performance is considered to be a feasible way to satisfy the increasing needs of electric vehicles and portable devices. It is of vital importance to design electrodes with high electrochemical performance and to understand the nature of the electrode/electrolyte interfaces during battery operation, which allows a direct observation of the complicated chemical and physical processes within the electrodes and electrolyte, and thus provides real-time information for further design and optimization of the battery performance...
June 19, 2017: Advanced Materials
Robin Dyers, Grant Ward, Shane Du Plooy, Stephanus Fourie, Juliet Evans, Hassan Mahomed
BACKGROUND: The proposed National Health Insurance policy for South Africa (SA) requires hospitals to maintain high-quality International Statistical Classification of Diseases (ICD) codes for patient records. While considerable strides had been made to improve ICD coding coverage by digitising the discharge process in the Western Cape Province, further intervention was required to improve data quality. The aim of this controlled before-and-after study was to evaluate the impact of a clinician training and support initiative to improve ICD coding quality...
May 24, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
Mengyu Yan, Xuelei Pan, Peiyao Wang, Fei Chen, Liang He, Gengping Jiang, Junhui Wang, Jefferson Z Liu, Xu Xu, Xiaobin Liao, Jihui Yang, Liqiang Mai
Transition metal dichalcogenides, such as MoS2 and VSe2 have emerged as promising catalysts for the hydrogen evolution reaction (HER). Substantial work has been devoted to optimizing the catalytic performance by constructing materials with specific phases and morphologies. However, the optimization of adsorption/desorption process in HER is rare. Herein, we concentrate on tuning the dynamics of the adsorption process in HER by applying a back gate voltage to the pristine VSe2 nanosheet. The back gate voltage induces the redistribution of the ions at the electrolyte-VSe2 nanosheet interface, which realizes the enhanced electron transport process and facilitates the rate-limiting step (discharge process) under HER conditions...
June 19, 2017: Nano Letters
Xiaojun Wang, Kangzhe Cao, Yijing Wang, Lifang Jiao
Rational synthesis of flexible electrodes is crucial to rapid growth of functional materials for energy-storage systems. Herein, a controllable fabrication is reported for the self-supported structure of CuCo2 O4 nanodots (≈3 nm) delicately inserted into N-doped carbon nanofibers (named as 3-CCO@C); this composite is first used as binder-free anode for sodium-ion batteries (SIBs). Benefiting from the synergetic effect of ultrasmall CuCo2 O4 nanoparticles and a tailored N-doped carbon matrix, the 3-CCO@C composite exhibits high cycling stability (capacity of 314 mA h g(-1) at 1000 mA g(-1) after 1000 cycles) and high rate capability (296 mA h g(-1) , even at 5000 mA g(-1) )...
June 1, 2017: Small
Rachel Gingold-Belfer, Yaron Niv, Nehama Horev, Shuli Gross, Nadav Sahar, Ram Dickman
BACKGROUND: Failure modes and effects analysis (FMEA) is used for the identification of potential risks in health care processes. We used a specific FMEA - based form for direct referral for colonoscopy and assessed it for procedurerelated perforations. METHODS: Ten experts in endoscopy evaluated and computed the entire referral process, modes of preparation for the endoscopic procedure, the endoscopic procedure itself and the discharge process. We used FMEA assessing for likelihood of occurrence, detection and severity and calculated the risk profile number (RPN) for each of the above points...
April 2017: Harefuah
Dominique Comer, Jennifer Goldsack, John Flaherty, Krista Van Velzen, Richard Caplan, Kimberly Britt, Heather Viohl, Keith Heitz, Terri Corbo
OBJECTIVES: Medication nonadherence is prevalent and associated with adverse outcomes, including hospital readmissions. Outpatient pharmacies within health systems are well positioned to intervene and enhance the discharge process by ensuring that patients leave the hospital with all discharge medications. The goal of this study was to evaluate whether a simply designed discharge prescription program (DPP) could reduce readmission rates and increase patient satisfaction scores for participants versus patients who did not participate...
May 24, 2017: Journal of the American Pharmacists Association: JAPhA
Emily Sheridan, Christine Thompson, Tania Pinheiro, Nicole Robinson, Karen Davies, Nancy Whitmore
Discharging patients from the hospital is a complex process, and preventing avoidable readmissions has the potential to improve both the quality of life for patients and the financial sustainability of the healthcare system (Alper et al. 2016). Improving the discharge process is one method to mitigate readmission to the hospital. Historically, St. Thomas Elgin General Hospital (STEGH) consistently experienced higher-than-expected readmission rates, and only 41% of discharge summaries were sent from the hospital to the community primary care within 48 hours...
2017: Healthcare Quarterly
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