Systematic evaluation of factors influencing electrochemical and morphological characteristics of free-standing 3D graphene hydrogels as electrode material for supercapacitors

2019 ◽  
Vol 301 ◽  
pp. 421-435 ◽  
Author(s):  
Masoud Foroutan ◽  
Leila Naji
Keyword(s):  
Electrode Material ◽  
Morphological Characteristics ◽  
Systematic Evaluation ◽  
Free Standing ◽  
3D Graphene ◽  
Factors Influencing

Organic solvent-assisted free-standing Li2MnO3·LiNi1/3Co1/3Mn1/3O2 on 3D graphene as a high energy density cathode

2015 ◽  
Vol 51 (91) ◽  
pp. 16381-16384 ◽  
Author(s):  
Yuelong Xin ◽  
Liya Qi ◽  
Yiwei Zhang ◽  
Zicheng Zuo ◽  
Henghui Zhou ◽  
...  
Keyword(s):  
Energy Density ◽  
Organic Solvent ◽  
Freeze Drying ◽  
Large Scale ◽  
High Energy ◽  
High Energy Density ◽  
Free Standing ◽  
3D Graphene ◽  
Active Particles

A novel organic solvent-assisted freeze-drying pathway, which can effectively protect and uniformly distribute active particles, is developed to fabricate a free-standing Li2MnO3·LiNi1/3Co1/3Mn1/3O2 (LR)/rGO electrode on a large scale.

A 3D graphene-supported MoS2 nanosphere and nanosheet heterostructure as a highly efficient free-standing hydrogen evolution electrode

RSC Advances ◽  
2016 ◽  
Vol 6 (37) ◽  
pp. 31359-31362 ◽  
Author(s):  
Xuewan Wang
Keyword(s):  
Hydrogen Evolution ◽  
Superior Performance ◽  
Free Standing ◽  
Graphene Foam ◽  
3D Graphene ◽  
Highly Efficient

A free-standing electrocatalytic electrode was synthesized by uniformly depositing cross-distributed MoS2 nanospheres and nanosheets on a 3D graphene foam, which exhibited superior performance for hydrogen evolution.

scholarly journals Factors influencing the utilisation of free-standing and alongside midwifery units in England: a qualitative research study

BMJ Open ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. e033895 ◽  
Author(s):  
Denis Walsh ◽  
Helen Spiby ◽  
Christine McCourt ◽  
Celia Grigg ◽  
Dawn Coleby ◽  
...  
Keyword(s):  
Focus Groups ◽  
Information Needs ◽  
Complex Interventions ◽  
Care Staff ◽  
Full Potential ◽  
Service Users ◽  
Free Standing ◽  
Maternity Services ◽  
Factors Influencing ◽  
Lack Of Commitment

ObjectiveTo identify factors influencing the provision, utilisation and sustainability of midwifery units (MUs) in England.DesignCase studies, using individual interviews and focus groups, in six National Health Service (NHS) Trust maternity services in England.Setting and participantsNHS maternity services in different geographical areas of England Maternity care staff and service users from six NHS Trusts: two Trusts where more than 20% of all women gave birth in MUs, two Trusts where less than 10% of all women gave birth in MUs and two Trusts without MUs. Obstetric, midwifery and neonatal clinical leaders, managers, service user representatives and commissioners were individually interviewed (n=57). Twenty-six focus groups were undertaken with midwives (n=60) and service users (n=52).Main outcome measuresFactors influencing MU use.FindingsThe study findings identify several barriers to the uptake of MUs. Within a context of a history of obstetric-led provision and lack of decision-maker awareness of the clinical and economic evidence, most Trust managers and clinicians do not regard their MU provision as being as important as their obstetric unit (OU) provision. Therefore, it does not get embedded as an equal and parallel component in the Trust’s overall maternity package of care. The analysis illuminates how implementation of complex interventions in health services is influenced by a range of factors including the medicalisation of childbirth, perceived financial constraints, adequate leadership and institutional norms protecting the status quo.ConclusionsThere are significant obstacles to MUs reaching their full potential, especially free-standing midwifery units. These include the lack of commitment by providers to embed MUs as an essential service provision alongside their OUs, an absence of leadership to drive through these changes and the capacity and willingness of providers to address women’s information needs. If these remain unaddressed, childbearing women’s access to MUs will continue to be restricted.

scholarly journals Formation of 3D graphene foams on soft templated metal monoliths

Nanoscale ◽  
2016 ◽  
Vol 8 (27) ◽  
pp. 13303-13310 ◽  
Author(s):  
Michael K. Tynan ◽  
David W. Johnson ◽  
Ben P. Dobson ◽  
Karl S. Coleman
Keyword(s):  
Electrical Conductivity ◽  
Energy Storage ◽  
Porous Structure ◽  
Electrode Material ◽  
Pollution Control ◽  
High Electrical Conductivity ◽  
Energy Storage Devices ◽  
3D Graphene ◽  
Storage Devices ◽  
Graphene Foams

Graphene foams are leading contenders as frameworks for polymer thermosets, filtration/pollution control and for use as an electrode material in energy storage devices, taking advantage of graphene's high electrical conductivity and the porous structure of the foam.

Synthesis of a highly efficient 3D graphene–CNT–MnO2–PANI nanocomposite as a binder free electrode material for supercapacitors

2016 ◽  
Vol 18 (38) ◽  
pp. 26854-26864 ◽  
Author(s):  
Muhammad Asif ◽  
Yi Tan ◽  
Lujun Pan ◽  
Muhammad Rashad ◽  
Jiayan Li ◽  
...  
Keyword(s):  
Electrode Material ◽  
Cyclic Stability ◽  
3D Graphene ◽  
Highly Efficient ◽  
Binder Free

A nanocomposite exhibits an electrode activation phenomenon, i.e. an increase in SC up to the first 1500 CD cycles, and thus demonstrates a maximum SC of 3037 F g−1 at 8 A g−1, and good cyclic stability with a capacitance retention of 83% over 12 000 cycles.

scholarly journals Retrospective Review of Limitations of Care for Inpatients at a Free-Standing, Tertiary Care Children’s Hospital

Children ◽  
2018 ◽  
Vol 5 (12) ◽  
pp. 164 ◽  
Author(s):  
Christopher J. Plymire ◽  
Elissa G. Miller ◽  
Meg Frizzola
Keyword(s):  
Chart Review ◽  
Tertiary Care ◽  
Retrospective Chart Review ◽  
Palliative Care Team ◽  
Do Not Resuscitate ◽  
Free Standing ◽  
Factors Influencing ◽  
Eol Care ◽  
Inpatient Units ◽  
Timing Of Death

Limited studies exist regarding the timing, location, or physicians involved in do-not-resuscitate (DNR) order placement in pediatrics. Prior pediatric studies have noted great variations in practice during end-of-life (EOL) care. This study aims to analyze the timing, location, physician specialties, and demographic factors influencing EOL care in pediatrics. We examined the time preceding and following the implementation of a pediatric palliative care team (PCT) via a 5-year, retrospective chart review of all deceased patients previously admitted to inpatient services. Thirty-five percent (167/471) of the patients in our study died with a DNR order in place. Sixty-two percent of patients died in an ICU following DNR order placement. A difference was noted in DNR order timing between patients on general inpatient units and those discharged to home compared with those in the ICUs (p = 0.02). The overall DNR order rate increased following the initiation of the PCT from 30.8% to 39.2% (p = 0.05), but no change was noted in the rate of death in the ICUs. Our study demonstrates a variation in the timing of death following DNR order placement when comparing ICUs and general pediatric floors. Following the initiation of the PCT, we saw increased DNR frequency but no change in the interval between a DNR order and death.

A Systematic Evaluation of Factors Influencing TAB Inner Lead Reliability

Circuit World ◽  
1993 ◽  
Vol 19 (4) ◽  
pp. 40-47 ◽  
Author(s):  
H.E. Evans ◽  
P.M. Harvey ◽  
J.L. Dabroski ◽  
G.O. Dearing
Keyword(s):  
Systematic Evaluation ◽  
Factors Influencing

Free standing SnS 2 nanosheets on 3D graphene foam: an outstanding hybrid nanostructure anode for Li-ion batteries

2D Materials ◽  
2015 ◽  
Vol 2 (2) ◽  
pp. 024010 ◽  
Author(s):  
Zhi Xiang Huang ◽  
Ye Wang ◽  
Jen It Wong ◽  
Hui Ying Yang
Keyword(s):  
Hybrid Nanostructure ◽  
Li Ion Batteries ◽  
Free Standing ◽  
Graphene Foam ◽  
3D Graphene ◽  
Li Ion
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