000126978 001__ 126978
000126978 005__ 20241125101146.0
000126978 0247_ $$2doi$$a10.1021/acs.energyfuels.3c01040
000126978 0248_ $$2sideral$$a134415
000126978 037__ $$aART-2023-134415
000126978 041__ $$aeng
000126978 100__ $$aAntorán, D.$$uUniversidad de Zaragoza
000126978 245__ $$aWaste hemp hurd as a sustainable precursor for affordable and high-rate hard carbon-based anodes in sodium-ion batteries
000126978 260__ $$c2023
000126978 5060_ $$aAccess copy available to the general public$$fUnrestricted
000126978 5203_ $$aThe present study reports the promising potential of waste hemp-hurd-derived carbons as anodes in sodium-ion batteries (SIBs). Carbons were produced through an easily scalable process consisting of pyrolysis of raw biomass at 500 °C followed by mild chemical activation of the resulting char through wet impregnation with K2CO3 and subsequent heating of the solid phase (after filtration and drying) up to 700 or 800 °C under nitrogen. The best electrochemical performance was observed for the hard carbon activated at a char-K2CO3 mass ratio of 1:4 and heated up to 800 °C, which exhibited an excellent initial coulombic efficiency (73%) and achieved reversible charge capacities of 267 and 79 mAh g–1 at 0.03 and 1 A g–1, respectively. This material also exhibited an impressive cyclic stability and rate capability, with a capacity retention of 96% after 300 cycles at a current density of 2 A g–1. This more than satisfactory performance could be related to the textural and structural features of the hard carbon, which include moderate interconnected microporosity (with pore sizes below 1 nm), an appropriate concentration of defects in the carbon structure, relatively large interplanar distances, and a certain number of closed pores.
000126978 536__ $$9info:eu-repo/grantAgreement/ES/AEI/PID2019-107737RB-I00$$9info:eu-repo/grantAgreement/ES/DGA-FEDER/T22-20R
000126978 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/
000126978 590__ $$a5.2$$b2023
000126978 592__ $$a1.018$$b2023
000126978 591__ $$aENGINEERING, CHEMICAL$$b35 / 170 = 0.206$$c2023$$dQ1$$eT1
000126978 591__ $$aENERGY & FUELS$$b69 / 171 = 0.404$$c2023$$dQ2$$eT2
000126978 593__ $$aEnergy Engineering and Power Technology$$c2023$$dQ1
000126978 593__ $$aFuel Technology$$c2023$$dQ1
000126978 593__ $$aChemical Engineering (miscellaneous)$$c2023$$dQ1
000126978 594__ $$a9.2$$b2023
000126978 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000126978 700__ $$aAlvira, D.$$uUniversidad de Zaragoza
000126978 700__ $$aPeker, M. E.
000126978 700__ $$0(orcid)0000-0002-0341-8408$$aMalón, H.$$uUniversidad de Zaragoza
000126978 700__ $$0(orcid)0000-0002-2966-9088$$aIrusta, S.$$uUniversidad de Zaragoza
000126978 700__ $$0(orcid)0000-0002-6873-5244$$aSebastián, V.$$uUniversidad de Zaragoza
000126978 700__ $$0(orcid)0000-0002-0118-3254$$aManyà, J. J.$$uUniversidad de Zaragoza
000126978 7102_ $$15005$$2555$$aUniversidad de Zaragoza$$bDpto. Ing.Quím.Tecnol.Med.Amb.$$cÁrea Ingeniería Química
000126978 7102_ $$15004$$2545$$aUniversidad de Zaragoza$$bDpto. Ingeniería Mecánica$$cÁrea Ingeniería Mecánica
000126978 7102_ $$15005$$2790$$aUniversidad de Zaragoza$$bDpto. Ing.Quím.Tecnol.Med.Amb.$$cÁrea Tecnologi. Medio Ambiente
000126978 773__ $$g37, 13 (2023), 9650-9661$$pEnergy fuels$$tEnergy and Fuels$$x0887-0624
000126978 8564_ $$s7196632$$uhttps://zaguan.unizar.es/record/126978/files/texto_completo.pdf$$yVersión publicada
000126978 8564_ $$s3040138$$uhttps://zaguan.unizar.es/record/126978/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000126978 909CO $$ooai:zaguan.unizar.es:126978$$particulos$$pdriver
000126978 951__ $$a2024-11-22-12:04:41
000126978 980__ $$aARTICLE