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["Supporting Information File 1"]
["Pore shape transition"]
[]
["Porous materials: pore shape factor, pore length index and "]
["microporosity"]
["Titelman L."]
["Beilstein Journal of Nanotechnology"]
[]
[]
["Yongjin Jeong,* Kyuhong Lee, Kinam Kim, and Sunghwan Kim"]
["Pore-Structure-Optimized CNT-Carbon Nanofibers from Starch "]
["for Rechargeable Lithium Batteries"]
["Materials (Basel). 2016 Dec; 9(12): 995."]
["PMCID: PMC5457023"]
["PMID: 28774117"]
[]
[]
["\" we report highly mesoporous carbon nanofibers reinforced with CNT, "]
["successfully fabricated using the unique lamellar structure of starch\"."]
["\"As a result, we can conclude that the optimum conditions for activation "]
["of the CNT-carbon nanofibers should be 800 °C for 30 min\". "]
[]
["Part 1. Starch nanofibers preparing."]
[]
["Designation materials"]
["SNF-700","Starch nanofiber carbonized at 700 °C"]
["SNF-1400","Starch nanofiber carbonized at 1400 °C"]
[]
["Table S1-1."]
["Physical characteristics of the carbonized starch nanofibers. SBET: surface area; "]
["Vt: total volume; Vmi: micropore volume; Vme: mesopore volume; Dp: diameter."]
[]
["Materials","S BET,","Vt,","Vmi,","Vme,","Dp,","F","Vmi/Vme"]
[null,"m2/g","cm3/g","cm3/g","cm3/g","nm"]
["SNF-700",451,0.23,0.2,0.03,2,{"$f":"F35*B35/C35","v":3921.7391304347825},{"$f":"D35/E35","v":6.666666666666667}]
["SNF-1400",137,0.16,0.04,0.12,4.5,{"$f":"F36*B36/C36","v":3853.125},{"$f":"D36/E36","v":0.33333333333333337}]
[]
[]
["Materials","Vmi/S BET"]
[]
["SNF-700",{"$f":"D35/B35","v":4.434589800443459E-4}]
["SNF-1400",{"$f":"D36/B36","v":2.9197080291970805E-4}]
[]
[]
["Table S1 - 1 prolongation."]
["Ls-c - conditional pore surface length, assuming that the pore is round."]
[]
["Materials","Ls,","Ls-c*E-09","Vmi, %",null,"F","% circular","% slit"]
[null,"m/g","m/g"]
["SNF-700",{"$f":"B35*1000000000/(3.14*F35)","v":71815286624.203812},71.8,{"$f":"100*D35/C35","v":86.956521739130437},null,3921.7391304347825,{"$f":"100*(F50-2000)/2000","v":96.086956521739125},{"$f":"100*(4000-F50)/2000","v":3.9130434782608745}]
["SNF-1400",{"$f":"B36*1000000000/(3.14*F36)","v":9695682944.0905876},9.6999999999999993,{"$f":"100*D36/C36","v":25},null,3853.125,{"$f":"100*(F51-2000)/2000","v":92.65625},{"$f":"100*(4000-F51)/2000","v":7.34375}]
[]
["Result: an increase in the carbonization  temperature practically did not change "]
["the pore shape: the  pores remained circular and smooth, despite a sharp reduction"]
["in pore length and % micropores."]
[]
["Part 2. Preparing hybrid and activation in CO2 (C + CO2 = 2CO)."]
[]
["Multi-walled carbon nanotubes (MWCNTs) was used."]
["\"This activation process etches the carbon backbones and gives rise to the creation "]
["and development of mesopores on the smooth surface of the CNT-carbon "]
["nanofibers\"."]
["Designation materials"]
["Before","Before activation"]
["CNT-15 m","Activated at 800 °C for 15 min"]
["CNT-30 m","Activated at 800 °C for 30 min"]
["CNT-17 m","Activated at 800 °C for 45 min"]
["CNT-18 m","Activated at 800 °C for 60 min"]
[]
["Table S1-2."]
["BET analysis of activated 1 wt % CNT-carbon nanofibers for various activation "]
["conditions."]
[]
["Physical ","BET SSA (m2·g−1)",null,null,"Average ","Pore Volume (cm3·g−1)"]
["Properties","Micro-pore Area","External Surface Area","BET ","Pore ","Micro-pore Volume","Meso-pore Volume","Total"]
[null,"pore surf",null,"Surf Area","Diameter (nm)",null,null," Pore Vol"]
["Materials","Smi","Sext","S BET","Dp,","Vmi","Vme","Vt"]
[null,"m2/g","m2/g","m2/g","nm","cm3/g","cm3/g","cm3/g"]
["Before",458.5,21,479.5,1.8,0.21,0.01,0.22]
["CNT-15 m",788,194.4,982.4,3.1,0.36,0.12,0.48]
["CNT-30 m",598.79999999999995,374.2,973,4.0999999999999996,0.27,0.26,0.53]
["CNT-45 m",625.29999999999995,58.4,683.7,5.4,0.28000000000000003,0.04,0.32]
["CNT-60 m",224.9,120.2,345.1,6.8,0.1,0.19,0.28999999999999998]
[]
["Table S1-2 prolongation."]
[{"$nulls":25},"*D"]
["Etching ","Dp,","S BET/Dp","S BET","Vt","Vmi/Vme","F","Vmi/SBET"]
["time, min","nm","m2/(g*nm)","m2/g","cm3/g"]
[0,1.8,8.48,479.5,0.22,{"$f":"F79/G79","v":21},3923.1818181818185,{"$f":"F79/D79","v":4.3795620437956203E-4}]
[15,3.1,10.1,982.4,0.48,{"$f":"F80/G80","v":3},6344.666666666667,{"$f":"F80/D80","v":3.6644951140065146E-4}]
[30,4.0999999999999996,7.56,973,0.53,{"$f":"F81/G81","v":1.0384615384615385},7526.9811320754707,2.7749229188078111E-4]
[45,5.4,4.03,683.7,0.32,{"$f":"F82/G82","v":7.0000000000000009},11537.437500000002,4.0953634635073862E-4]
[60,6.8,1.62,345.1,0.28999999999999998,{"$f":"F83/G83","v":0.52631578947368418},8092.0000000000018,2.8977108084613158E-4]
[{"$nulls":6},"Average",{"$f":"AVERAGE(H89:H93)","v":3.5624108697157299E-4}]
[{"$nulls":6},"STDEV",{"$f":"STDEV(H89:H93)","v":7.11364735160275E-5}]
[{"$nulls":6},"STD, %",19.9686325125389]
{"$rows_empty":16}
["Fig. S1-1. S BET vs. Activation time."]
{"$rows_empty":17}
["Fig. S1-2. Dp vs. Activation tume."]
{"$rows_empty":17}
["Fig. S1-3. S BET/Dp (length analog) vs. Activation time."]
{"$rows_empty":17}
["Fig.S1-4. Dependence Vt on activation time."]
{"$rows_empty":16}
["Fig. S1-5.","Dependence F on activation time; CNT-45 m is \"critical\" sample."]
{"$rows_empty":18}
["Fig. S1-6. F vs. Vmi/Vme."]