Hydrogel polymer electrolytes (HPEs) are essential components in building flexible solid-state supercapacitors, which promising power sources for future and wearable electronics. HPEs reported so far have shown a wide range of properties with various compositions. In this paper, we demonstrate that relative humidity (RH) significantly influences the electrochemical mechanical HPEs, turn, determ...

THIS study was conducted to activate and characterize carbons prepared from coconut shells for subsequent adsorption of Cr (VI) synthetic wastewater. The process carried out through batch studies. results showed that the pH, contact time temperature dependent. optimum pH 2 both cashew bark extract activated (CNAC1) H3PO4 (CNAC2) carbons. Characterization using Fourier Transform-Infrared Spectro...

Graphical Abstract “My first experiment was a titration of Coca Cola to determine the amount H3PO4 … A turning point in my career B.Sc. thesis group Prof. Klapötke at LMU Munich. Being convinced inorganic chemist, I realized how enjoyable organic synthesis can be.” Find out more about Anna Widera her Introducing Profile.

This study reports the effect of heating rate and addition H3PO4 on pyrolysis three representative agricultural wastes different lignocellulosic composition, namely pistachio shell, bitter orange peel, saffron petal. Pyrolysis was carried out at 500 °C in a fixed-bed, lab scale reactor. Slow provided lower water contents liquid fraction. Fast increased yield for all feedstocks, promoting format...

In this study, coffee waste (CW) and empty fruit bunches (EFB) were employed as precursors for the production of activated carbons by a chemical activation method. KOH, ZnCl2, H3PO4 used activating agents along with their three mixing ratios 1:0, 1:1, 1:3, w/w, carbonization temperatures 600 °C, 700 800 °C to prepare these carbons. The highest yields produced observed at value 45.20% 48.20% bun...