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| 1 | Electrical conductivity of wood biochar monoliths and its dependence on pyrolysis temperature显示文摘Biochar is traditionally used as solid fuel and for soil amendment where its electrical conductivity is largely irrelevant and unexplored.However,electrical conductivity is critical to biochar’s performance in new applications such as supercapacitor energy storage and capacitive deionization of water.In this study,sugar maple and white pine were carbonized via a slow pyrolysis process at 600,800 and 1000°C and conductivities of monolithic biochar samples along the radial direction were measured using the 4-probe method.Biochars were characterized using an elemental analyzer,scanning electron microscopy,X-ray diffraction and Raman spectroscopy.The solid carbon in biochar samples was found to consist primarily of disordered carbon atoms with small graphitic nanocrystallites that grow with increasing temperature.The bulk conductivity of biochar was found to increase with pyrolysis temperature-1 to~1000 S/m for maple and 1 to~350 S/m for pine,which was accompanied by an increase in carbon content-91 to 97 wt%and 90 to 96 wt%for maple and pine,respectively.The skeletal conductivity of biochar samples carbonized at 1000°C is about 3300 S/m and 2300 S/m for maple and pine,respectively(assuming solid carbon is amorphous);both values are above that of amorphous carbon(1250-2000 S/m).This work demonstrated the importance of carbonization and graphitization to electrical conductivity and suggested electron hopping as a likely mechanism for electric conduction in biochar-an amorphous carbon matrix embedded with graphitic nanocrystallites. | Randeep Gabhi Luca Basile Donald W.Kirk Mauro Giorcelli Alberto Tagliaferro Charles Q.Jia | 2020 | Biochar2020，2，3： | 4 |
| 2 | Flavonoid antioxidants:chemistry,metabolism and structure activity relationships显示文摘 | HEIM K E TAGLIAFERRO A R BOBILYA D J | 2002 | J Nutr Biochem2002，13，： | 1 |
| 3 | Flavonoid antioxidants: chemistry, metabolism and structure-activity relationships 显示文摘 | Heim K E Tagliaferro A R Bobilya D J | 2002 | Joumal of Nutritional Biochemistry2002，13，10： | 1 |
| 4 | Combined effects of carbon dioxide laser and fluoride on demineralized primary enamel:an in vitro study显示文摘 | Tagliaferro EP Rodrigues LK Nobre Dos Santos M | 2007 | Caries Res2007，41，1： | 1 |
| 5 | Flavonoid antioxidants:chemistry,metabolism and structure-activity relationships显示文摘 | Heim KE Tagliaferro AR Bobilya DJ | 2002 | The Journal of Nutritional Biochemistry2002，13，10： | 1 |
| 6 | Endobronchial and trans-bronchial biopsies in children显示文摘 | Tagliaferro T Michelin E Snijders D | 2008 | Expert Rev Respir Med2008，2，2： | 1 |
| 7 | Quality system implementation in a Brazilian university laboratory 显示文摘 | Fernandes EADN Bacchi MA Tagliaferro FS | 2006 | Accred Qual Assur2006，10，11： | 1 |
| 8 | Neuronal cytoskeleton and synaptic densities are altered after a chronic treatment with the cannabinoid receptor agonist WIN 55,212-2显示文摘 | Tagliaferro P Javier Ramos A Onaivi ES | 2006 | Brain Research2006，，01： | 1 |
| 9 | Effect of dehydroepiandrosterone acetate on metabolism, body weight and composition of male and female rats 显示文摘 | Tagliaferro A R Davis J R Truehon S | 1986 | J Nutr1986，116，10： | 1 |
| 10 | Cannabinoid CB2 receptors: immonohistochemical localization in rat brain 显示文摘 | Gong JP Onaivi ES Ishiguro H Liu QR Tagliaferro PA Brusco A | 2006 | Brain Res2006，1071，1： | 1 |
| 11 | Distribution of CB2 cannabinoid receptor in adult rat retina 显示文摘 | Lopez EM Tagliaferro P Onaivi ES | 2011 | Synapse2011，65，5： | 1 |
| 12 | Flavonoid antioxidants:chemistry,metabolism and structure-activity relationships显示文摘 | Heim K E Tagliaferro A R Bobilya D J | | 0，，10： | 1 |
| 13 | Flavonoidantioxidants: chemistry, metabolism and structure-activityrelationships 显示文摘 | Heim K E Tagliaferro A R Bobilya D J | 2002 | The Journal of Nutritional Biochemistry2002，13，10： | 1 |
| 14 | Flavonoid antioxidants : chemistry, metabolism and structure -activity relationships显示文摘 | Heim K E Tagliaferro A R Bobilya D J | 2002 | The Journal of Nutritional Biochemistry2002，13，10： | 1 |
| 15 | Flavonoids antioxidants: chemistry, metabolism and structure-activity relationships 显示文摘 | Heim K E Tagliaferro A R Bobilya D J | 2002 | Journal of Nutritional Biochemistry2002，13，： | 1 |
| 16 | Flavonoid antioxidants: chemistry, metabolism and structure-activity relationships 显示文摘 | HEIM K E TAGLIAFERRO A R BOBILYA D J | 2002 | Journal of Nutritional Biochemistry2002，13，10： | 1 |
| 17 | Flavonoid antioxidants: chemistry, metabolism and structure-activity relationships 显示文摘 | Heim KE Tagliaferro AR Bobilya DJ | 2002 | J Nutr Biochem2002，13，10： | 1 |
| 18 | Flavonoid antioxidants:chemistry,metabolism and structure-activity relationships显示文摘 | Kelly E Heim Anthony R Tagliaferro Dennis J Bobilya | 2002 | Journal of Nutritional Biochemistry2002，，13： | 1 |
| 19 | Cyclic food estriction alters substrate utiliza tion and abolishes protection from mammary carcinogenecis in female rats显示文摘 | Tagliaferro A R | 1996 | Jnutr1996，，126： | 1 |
| 20 | Flavonoid antioxidants: chemistry, metabolism and structure activity relationships显示文摘 | Helm KE Tagliaferro AR Bobilya DJ | 2002 | J Nutr Biochem2002，13，10： | 1 |
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