The active carbon materials were derived from pine needle as raw materials with the activation of KHCO3.XRD,raman spectra,SEM,Nitrogen adsorption-desorption isotherms were employed to analyze the structure and morphology of the samples.The electrochemical properties were monitored with the CV,GCD and ESR.At activation temperature 800℃,the capacitance was up to 138F/g (1A/g,6mol/L KOH) after activated.The capacitance had 95.5% after 10000 cycles.
Ma Shangwen, A Gengxiong, Ma Yan, Qiu Shuwei, Ren Tiezhen
. Preparation and supercapacitor performance of activated carbon from pine needle with KHCO3 as activator[J]. New Chemical Materials, 2020
, 48(9)
: 187
-191
.
DOI: 10.19817/j.cnki.issn 1006-3536.2020.09.041
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