The interplay between ternary molten carbonate and biomaterials during pressurized slow pyrolysis

Jalalabadi, Tahereh; Moghtaderi, Behdad; Allen, J. A.

doi:10.1039/d1re00544h

Cited by 5 publications

(2 citation statements)

References 62 publications

(135 reference statements)

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“…Indeed, these alkaline salts are originally present in the KBL suspension. On one hand, their presence in the polymeric matrix can enhance the properties of the carbonized materials, as NaCl and Na 2 CO 3 are known to promote the graphitization of biomass-based carbon materials during pyrolysis. , On the other hand, the presence of remaining salt can disrupt efforts to reach high specific surface area while addressing intrinsic higher apparent and skeleton densities (specific surface are being expressed in m 2 /g) and locking accessibility toward the microscopic and mesoscopic voids. Nitrogen adsorption was performed on this material (Figure E).…”

Section: Resultsmentioning

confidence: 99%

Kraft Black Liquor as a Carbonaceous Source for the Generation of Porous Monolithic Materials and Applications toward Hydrogen Adsorption and Ultrastable Supercapacitors

Poupart,

Invernizzi,

Guerlou-Demourgues

et al. 2023

Langmuir

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High internal phase emulsions (HIPEs) have templated self-standing porous carbonaceous materials (carboHIPEs) while employing Kraft Black Liquor, a paper milling industry byproduct, as a carbon precursor source. As such, the starting emulsion has been prepared through a laboratory-made homogenizer, while native materials have been characterized at various length scales either with Raman spectrometry, X-ray diffraction (XRD), mercury intrusion porosimetry, and nitrogen absorption. After thermal carbonization, specific surface areas ranging from ∼600 m 2 g −1 to 1500 m 2 g −1 have been reached while maintaining a monolithic character. Despite a poor graphitization yield, the carbonaceous materials offer good electronic transport properties, reaching 31 S m −1 . When tested toward energy storage applications, the native unwashed materials revealed a hydrogen storage of 0.07 wt % at 40 bar and room temperature (RT), while hydrogen retention is reaching 0.37 wt % at 40 bar and RT for the washed sample. When employed as supercapacitor electrodes, these carbonaceous foams are able to deliver high capacities of ∼140 F/g at 1 A/g, thereby matching the ones obtained from a commercial carbon reference, while additionally providing a restored remnant capacity of 120 F/ g at 2 A/g over 5000 cycle numbers.

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Section: Resultsmentioning

confidence: 99%

Kraft Black Liquor as a Carbonaceous Source for the Generation of Porous Monolithic Materials and Applications toward Hydrogen Adsorption and Ultrastable Supercapacitors

Poupart,

Invernizzi,

Guerlou-Demourgues

et al. 2023

Langmuir

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“…However, the lignin char showed increased graphitic layering. 93 More research should be conducted to understand its potential mechanism.…”

Section: Msmtc Of Biomass Into Chemicals and Fuelsmentioning

confidence: 99%

Research advancement in molten salt-mediated thermochemical upcycling of biomass waste

Shen

Yuan

2023

Green Chem.

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A new approach to turbostratic carbon production via thermal salt-assisted treatment of graphite

Jalalabadi

Moghtaderi

et al. 2023

Fuel

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The interplay between ternary molten carbonate and biomaterials during pressurized slow pyrolysis

Abstract: The effect of pressure on the thermochemical conversion of woody biomass and lignin in the presence of carbonate additives has been investigated at moderate temperatures (600 and 800°C). A ternary...

Cited by 5 publications

References 62 publications

Kraft Black Liquor as a Carbonaceous Source for the Generation of Porous Monolithic Materials and Applications toward Hydrogen Adsorption and Ultrastable Supercapacitors

Kraft Black Liquor as a Carbonaceous Source for the Generation of Porous Monolithic Materials and Applications toward Hydrogen Adsorption and Ultrastable Supercapacitors

Research advancement in molten salt-mediated thermochemical upcycling of biomass waste

A new approach to turbostratic carbon production via thermal salt-assisted treatment of graphite

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