02005nas a2200253   4500008004100000022001400041245016400055210006900219260000800288300001100296490000700307520111200314653001201426653002001438653002001458653002301478653001901501100001701520700001701537700002201554700002401576700002201600856012901622       2021                        eng d  a2352-152X00aBiomass-derived activated carbon material from native European deciduous trees as an inexpensive and sustainable energy material for supercapacitor application0 aBiomassderived activated carbon material from native European de  cFEB  a1021780 v343 a<p>Activated carbons are one of the possible electrode materials for supercapacitors (SCs), which are widely used in commercial applications. Herein, we reported the synthesis of a novel activated carbon derived through a cavitation process from the mixture of native European deciduous trees, Birch, Fagaceae, and Carpinus betulus (commonly known as European hornbeam), which was employed as the electrode material in SC. From the morphological and structural characterization, we observed that the prepared sample is a desirable carbon with good porosity and high specific surface area of about 614 m(2) g(-1). The electrochemical properties of the synthesized material were evaluated with a three-electrode configuration in 1.0 M H2SO4 electrolyte. It was found that in device mode, the carbon material delivers a specific capacitance of 24 F g(-1) at 0.25 A g(-1) with excellent cycling stability of over 10000 consecutive charge/discharge cycles. Thus, our studies demonstrate the facile synthesis of biomass-derived carbon and its application as a versatile electrode material for SC applications.</p>10aBiomass10aCarbon material10aDeciduous trees10aElectrode material10asupercapacitor1 aJain, Amrita1 aGhosh, Meena1 aKrajewski, Marcin1 aKurungot, Sreekumar1 aMichalska, Monika  uhttps://library.ncl.res.in/content/biomass-derived-activated-carbon-material-native-european-deciduous-trees-inexpensive-and02282nas a2200253   4500008004100000022001400041245009700055210006900152260000800221490000600229520140600235653002501641653002301666653001801689653002901707653003301736100001901769700001701788700004001805700001801845700001701863700002401880856012401904       2023                        eng d  a2366-748600aBinder-free and flexible VOPO4/CNT film as cathode for aqueous rechargeable Zn-metal battery0 aBinderfree and flexible VOPO4CNT film as cathode for aqueous rec  cSEP0 v73 a<p>
	Aqueous rechargeable Zn-metal batteries (AZMBs) are promising energy storage aids due to their inherent safety, low cost, and competent performance, with prospects in stationary and portable applications. In this regard, one of the critical requirements is developing electrodes that can adapt to mechanical deformation without compromising the charge storage performance. The current work demonstrates the development of a binder-free and mechanically flexible composite cathode film (VP/fCNT-F, where `F' stands for the film) based on VOPO4 (VP) and functionalized carbon nanotubes (fCNTs). The VP/fCNT-F film processing involves simple vacuum filtration of the composite obtained from the in-situ reaction of the fCNTs and the VP precursor in an aqueous medium. The functionalization of carbon nanotube (CNT) is important for the homogenous dispersion of VP and fCNT. The VP/fCNT-F electrode is used as a monolithic electrode in AZMB cells in combination with both liquid and quasi-solid-state gel polymer electrolytes. Besides, the utility of the VP/fCNT-F electrode in a flexible battery configuration is also demonstrated. Interestingly, in both the coin-cell and flexible configurations, the VP/fCNT-F electrode delivers a comparable discharge capacity of 90 and 78 mAh g(-1), respectively (at 0.1 A g(-1)), validating the advantage of the binder-free VP/fCNT-F electrode for AZMBs.</p>
10abinder-free cathodes10aflexible batteries10alayered VOPO410apolymer gel electrolytes10aself-standing flexible films1 aDilwale, Swati1 aBabu, Athira1 aPuthiyaveetil, Priyanka, Pandinhare1 aKurian, Maria1 aGhosh, Meena1 aKurungot, Sreekumar  uhttps://library.ncl.res.in/content/binder-free-and-flexible-vopo4cnt-film-cathode-aqueous-rechargeable-zn-metal-battery