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Synthesis of graphitic carbon from Pisum sativum for supercapacitor applications
Sushilkumar A. Jadhav,Pranoti H. Patil,Suchitra B. Ravan,Saurabh S. Thoravat,Tukaram D. Dongale 한국화학공학회 2023 Korean Journal of Chemical Engineering Vol.40 No.9
This work reports preparation of Pisum sativum (peas) derived graphitic carbon (PSC) and its activation with potassium hydroxide (KOH), referred to as Pisum sativum derived activated graphitic carbon (PSAC). The structure, morphology and surface area of the materials were characterized by using X-ray diffraction (XRD) analysis, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), Raman spectroscopy and Brunauer Emmet Teller (BET). The electrochemical performance of the material was investigated by using cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), cyclic stability and electrochemical impedance spectroscopy (EIS). The graphitic carbon obtained showed specific surface area of 240 m2 g−1 with pore size of 3.32nm. The electrochemical testing of activated carbon delivered specific capacitance of 517 F g−1 at 10 mV s−1 with 86% of capacitance retention after 2,000 cycles at 10 mA cm−2. It showed high specific energy of 35 Wh kg−1 at specific power 645 W kg−1.
P1 Laser Scribing Process Optimization for Indium Tin Oxide Substrates
Vijay C. Karade,Saewoong Kim(김세웅),Inyoung Jeong(정인영),Min Jae Ko(고민재),Joo Hyung Park(박주형),Jun-Sik Cho(조준식),Inchan Hwang(황인찬),Jihye Gwak(곽지혜),Santosh S. Sutar,Tukaram D. Dongale,Jae Ho Yun(윤재호),Kihwan K 한국태양에너지학회 2024 한국태양에너지학회 학술대회논문집 Vol.2024 No.4