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Conducting polymer PEDOT:PSS coated Co_(3)O_(4) nanoparticles as the anode for sodium-ion battery applications

Frontiers of Materials Science 2022年第2期16卷 143-152页

作者： kevin varghese Dona Susan BAJI Shantikumar NAIR Dhamodaran SANTHANAGOPALAN Centre for Nanosciences Amrita Vishwa VidyapeethamPonekkaraKochi 682041India

Metal oxides are considered as potential anodes for sodium-ion batteries(SIBs).Nevertheless,they suffer from poor cycling and rate ***,we investigate conductive polymer coating on Co_(3)O_(4)nanoparticles varying with different percentages.X-ray diffraction,electron microscopy and surface chemical analysis were adopted to analyze coated and uncoated Co_(3)O_(4)*** polymer,poly(3,4-ethylene dioxythiophene)polystyrene sulfonate(PEDOT:PSS),has been utilized for *** specific capacity and rate capability for an optimal coating of 0.5 wt.%were *** 0.5 wt.%coated sample outperformed the uncoated one in terms of capacity,rate capability and coulombic *** delivered a reversible capacity of 561 mAh·g^(−1)at 100 mA·g^(−1)and maintained a capacity of 318 mAh·g^(−1)at a high rate of 1 A·g^(−1).Increasing the PEDOT:PSS coating percentage led to lower performance due to the thicker coating induced kinetic ***-situ analysis of the 0.5 wt.%coated sample after 100 cycles at 1 A·g^(−1)was characterized for performance *** a simple,cost-effective and wet-chemical approach has not been employed before for Co_(3)O_(4)as the SIB anode.

关键词： Co_(3)O_(4) sodium-ion battery anode conducting polymer surface coating

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Catheter-based renal sympathetic nerve denervation on hypertension management outcomes

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World Journal of Radiology 2022年第7期14卷 238-248页

作者： Som P Singh kevin J varghese Fahad M Qureshi Macy C Anderson John Foxworth Mark M Knuepfer Department of Internal Medicine University of Missouri Kansas City School of MedicineKansas CityMO 64106United States Department of Pharmacological and Physiological Science Saint Louis University School of MedicineSaint LouisMO 63104United States

BACKGROUND Renal sympathetic denervation(RSD)provides a minimally invasive interventional treatment modality for patients with resistant ***,the post-operative outcomes remain a key area of investigation since its earliest clinical *** To evaluate patient outcomes after RSD intervention among peer-reviewed patient *** A systematic review of literature on MEDLINE,Google Scholar,and the Cochrane Database of Systematic Reviews for RSD case studies to assess post-operative hypertension readings and medical *** Among 51 RSD cases,the post-operative RSD patients report an apparent reduction with a mean number of 3.1 antihypertensive *** mean systolic arterial blood pressure 1 year following RSD was 136.0 mmHg(95%CI:118.7-153.3).CONCLUSION The apparent improvements in office systolic blood pressure after 12 month postoperative RSD can support the therapeutic potential of this intervention for blood pressure *** studies which utilized a uniform methodology for blood pressure measurement can further support the findings of this systematic review.

关键词： Renal denervation Hypertension Systematic review Interventional radiology Outcomes

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