Fix battery-electrolyte typos and duplicate answer choices
#5
by iamthomaspruyn - opened
- battery-electrolyte-qa.csv +20 -20
battery-electrolyte-qa.csv
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@@ -1,21 +1,21 @@
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Question,Option_A,Option_B,Option_C,Option_D,Answer,Domain,Difficulty,Type,Task
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Which of the following Li+ solvation structures
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Which of the electrolyte solvent molecules
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Which of the statements
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Which of the following statements about solid-electrolyte interphases (SEI) are correct?,
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Which electrolyte below
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Which salt concentration of the electrolyte LiFSI ([Li+].
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Which of the following
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It is known that LiF and Li2O are often seen in stable solid-electrolyte interphases for Li metal
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It is known that LiF and Li2O are often seen in stable solid-electrolyte interphases for Li metal
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It is known that weakly Li-ion solvating electrolytes tend to give better cycling Coulombic
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"High
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Which descending
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"Localized high-concentration electrolytes (LHCE) are known to exhibit high Coulombic
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Optimizing the Li+ solvation structure
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Which is the correct descending order of solvation free energy for the following electrolytes (1 M lithium salt in DEC (CCOC(=O)OCC)): 1) LiOTf ([Li+].C(F)(F)(F)S(=O)(=O)[O-]); 2) LiFSI ([Li+].
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Solvation free energies of
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The electrolyte
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"The properties of cathode materials can also affect the stability of lithium metal anode. It is known that the widely used NMC cathode can induce electrolyte degradation at the cathode-electrolyte interphase and generate soluble impurities that
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It is known that Li3N has relatively high Li+ conductivity compared to LiF and Li2O. Which of the following additives can generate SEI with the best Li+ transport properties?,C1C(OC(=O)O1)F,[Li+].[N+](=O)([O-])[O-],[Li+].[O-]Cl(=O)(=O)=O,CCOP(=O)(OCC)OCC,B,Materials,Medium,Basic,Liquid
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Question,Option_A,Option_B,Option_C,Option_D,Answer,Domain,Difficulty,Type,Task
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Which of the following Li+ solvation structures is most abundant in conventional low-concentration electrolytes for lithium metal anodes?,Contact ion pair,Solvent-separated ion pair,Aggregates,Complexed coordination,B,Materials,Easy,Basic,Liquid Electrolyte Q&A
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Which of the following electrolyte solvent molecules has the best reductive stability?,C1COC(=O)O1,C1COCO1,CC1COC(=O)O1,C1CCOC1,B,Materials,Easy,Basic,Liquid Electrolyte Q&A
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Which of the following statements about electrolytes for lithium metal anodes are true?,Solid-electrolyte interphases formed at the interface between lithium metal and electrolyte are due to electrolyte decomposition.,Electrolytes do not affect the morphology of electrodeposited lithium during the plating process.,Solid-electrolyte interphases are generally considered to consist of amorphous organic-rich components and compact inorganic-rich components.,Higher electrolyte concentrations always lead to higher Coulombic efficiency (CE).,"A,C",Materials,Easy,Basic,Liquid Electrolyte Q&A
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Which of the following statements about solid-electrolyte interphases (SEI) are correct?,Preferential deposition of lithium through defects in the SEI is one of the causes of dead Li.,The nanostructures and compositions of the SEI are not affected by the substrate surface.,SEI properties are temperature-dependent.,Different solvation structures of Li+ can lead to different SEI compositions.,"A,C,D",Materials,Easy,Basic,Liquid Electrolyte Q&A
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Which electrolyte below gives the highest Coulombic efficiency when tested in a Li||Cu half cell with a current density of 0.5 mA/cm² and a capacity of 1 mAh/cm²?,1 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DME (COCCOC),1 M LiPF6 ([Li+].F[P-](F)(F)(F)(F)F) in EC (C1COC(=O)O1) and DEC (O=C(OCC)OCC) (1:1 by volume),4 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DME (COCCOC),1 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in EC (C1COC(=O)O1) and DEC (O=C(OCC)OCC) (1:1 by volume),C,Materials,Medium,Advanced Reasoning,Liquid Electrolyte Q&A
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Which salt concentration of the electrolyte LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in FEC (C1C(OC(=O)O1)F) would give the highest Coulombic efficiency when tested in a Li||Cu half cell with a current density of 0.25 mA/cm² and a capacity of 0.5 mAh/cm²?,1 M,2 M,4 M,7 M,D,Materials,Medium,Advanced Reasoning,Liquid Electrolyte Q&A
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Which of the following electrolytes can give a Coulombic efficiency over 99% when tested in a Li||Cu half cell with a current density of 0.5 mA/cm² and a capacity of 1 mAh/cm²?,1.7 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in MeTHF (O1C(C)CCC1) and TTE (FC(F)C(F)(F)COC(F)(F)C(F)F) (1:1 by volume),5 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in PC (CC1COC(=O)O1),6 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DMC (COC(=O)OC),1 M LiTFSI ([Li+].C(F)(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F) in FDMA (CN(C)C(=O)C(F)(F)F) and FEC (C1C(OC(=O)O1)F) (1:1 by volume),"A,D",Materials,Medium,Advanced Reasoning,Liquid Electrolyte Q&A
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A lower HOMO (highest occupied molecular orbital) energy of a solvent molecule means better oxidative stability. Which of the following molecules has the best oxidative stability?,COCCOC,COCC(C(F)(F)F)OC,CC(COC)OC,CCOCCOCC,B,Materials,Medium,Basic,Liquid Electrolyte Q&A
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It is known that LiF and Li2O are often seen in stable solid-electrolyte interphases for Li metal anodes. Which of the following molecules can serve as electrolyte additives that improve the Coulombic efficiency of Li metal batteries during cycling?,C1C(OC(=O)O1)F,C1=CC=CC=C1,C1=COC(=O)O1,CCCCCC,"A,C",Materials,Hard,Basic,Liquid Electrolyte Q&A
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It is known that LiF and Li2O are often seen in stable solid-electrolyte interphases for Li metal anodes. They can be formed through the decomposition of electrolyte solvent molecules at the lithium metal surface. Which of the following electrolyte solvent molecules can lead to LiF-rich or Li2O-rich solid-electrolyte interphases?,COCCOC,COC(OC)OC,C(C(C(F)F)(F)F)OC(C(F)F)(F)F,C1C(OC(=O)O1)F,"B,D",Materials,Easy,Advanced Reasoning,Liquid Electrolyte Q&A
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It is known that weakly Li-ion solvating electrolytes tend to give better cycling Coulombic efficiency (CE) when tested in Li||Cu cells. Which of the following electrolytes can give higher CE than 1 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DEE (CCOCCOCC)?,1 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DME (COCCOC),1 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in F6DEE (C(COCC(F)(F)F)OCC(F)(F)F),1 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in FDMB (COCC(C(COC)(F)F)(F)F),1 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DMC (COC(=O)OC),"B,C",Materials,Easy,Advanced Reasoning,Liquid Electrolyte Q&A
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"High-concentration electrolytes are known to exhibit good performance in lithium-metal batteries because most of the strongly solvating solvent molecules coordinate to Li+ and become more stable against the lithium metal anode. For example, 4 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DME (COCCOC) performs better than 1 M LiFSI in DME. Which of the following electrolyte systems also perform better than 1 M LiFSI in DME?","LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F), DME (COCCOC), and DMC (COC(=O)OC) in a 1:1.2:3 molar ratio","LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F), DME (COCCOC), and TTE (C(C(C(F)F)(F)F)OC(C(F)F)(F)F) in a 1:1.2:3 molar ratio","LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F), DME (COCCOC), and TTEO (C(C(F)(F)F)OC(OCC(F)(F)F)OCC(F)(F)F) in a 1:1.2:3 molar ratio","LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F), DME (COCCOC), and BTFE (C(C(F)(F)F)OCC(F)(F)F) in a 1:1.2:3 molar ratio","B,C,D",Materials,Medium,Advanced Reasoning,Liquid Electrolyte Q&A
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Which descending order is correct for the ionic conductivities of the following electrolytes: 1) 1 M [Li+].[O-]Cl(=O)(=O)=O in CC1COC(=O)O1; 2) 1 M [Li+].F[P-](F)(F)(F)(F)F in C1COC(=O)O1 and CCOC(=O)OCC (1:1 by volume); 3) 1 M [Li+].C(F)(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F in CCOCCOCC; 4) 1 M [Li+].C(F)(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F in C1COCO1 and COCCOC (1:1 by volume)?,1 > 2 > 3 > 4,4 > 1 > 2 > 3,3 > 2 > 1 > 4,3 > 4 > 2 > 1,B,Materials,Hard,Basic,Liquid Electrolyte Q&A
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"Localized high-concentration electrolytes (LHCE) are known to exhibit high Coulombic efficiency (CE) for lithium metal anodes. Typical formulations of LHCE consist of a lithium salt (normally LiFSI), a strongly coordinating solvent (e.g., DME), and a weakly coordinating or non-coordinating diluent. Which of the following molecules can be used as diluents for LHCE?",C(C(F)(F)F)OCC(F)(F)F,C(C(C(F)F)(F)F)OC(C(F)F)(F)F,COCCCCOC,CCC(=O)CC(=O)C,"A,B",Materials,Medium,Advanced Reasoning,Liquid Electrolyte Q&A
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Optimizing the Li+ solvation structure while maintaining low electrolyte viscosity is important to achieve high Coulombic efficiency (CE) for lithium metal anodes. Which of the following electrolytes can exhibit higher CE than 4 M LiFSI in DME?,"LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F), DME (COCCOC), and TTE (C(C(C(F)F)(F)F)OC(C(F)F)(F)F) in a 1:1.2:3 molar ratio",4 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DME (COCCOC) and DEGDME (COCCOCCOC) (1:1 molar ratio),"LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F), DME (COCCOC), and TFTFE (C(C(F)(F)F)OC(C(F)F)(F)F) in a 1:1.2:3 molar ratio",4 M LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F) in DME (COCCOC) and DEC (CCOC(=O)OCC) (1:1 molar ratio),"A,C",Materials,Easy,Advanced Reasoning,Liquid Electrolyte Q&A
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Which is the correct descending order of solvation free energy for the following electrolytes (1 M lithium salt in DEC (CCOC(=O)OCC)): 1) LiOTf ([Li+].C(F)(F)(F)S(=O)(=O)[O-]); 2) LiFSI ([Li+].[N-](S(=O)(=O)F)S(=O)(=O)F); 3) LiClO4 ([Li+].[O-]Cl(=O)(=O)=O); 4) LiBF4 ([Li+].[B-](F)(F)(F)F)?,"1,2,3,4","2,4,3,1","1,4,3,2","4,3,2,1",C,Materials,Hard,Basic,Liquid Electrolyte Q&A
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Solvation free energies of electrolytes correlate negatively with Coulombic efficiency (CE) for lithium metal anodes. Which is the correct descending order of CE for the following electrolytes (the concentration of LiFSI is 1 M): 1) LiFSI in DME (COCCOC); 2) LiFSI in FEC (C1C(OC(=O)O1)F) and DEC (CCOC(=O)OCC) (1:2 by volume); 3) LiFSI in TMS (C1CCS(=O)(=O)C1) and TTE (C(C(C(F)F)(F)F)OC(C(F)F)(F)F) (1:1 molar ratio); 4) LiFSI in FDMB (COCC(C(COC)(F)F)(F)F)?,"1,3,4,2","2,4,3,1","1,4,3,2","4,3,2,1",D,Materials,Medium,Advanced Reasoning,Liquid Electrolyte Q&A
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The electrolyte solvents of Li-S batteries should be stable against the lithium metal anode and polysulfides. Which of the following solvent molecules are considered appropriate for Li-S batteries?,C1COCO1,CC1COC(=O)O1,COCCOC,CCO,"A,C",Materials,Hard,Basic,Liquid Electrolyte Q&A
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"The properties of cathode materials can also affect the stability of the lithium metal anode. It is known that the widely used NMC cathode can induce electrolyte degradation at the cathode-electrolyte interphase and generate soluble impurities that reduce the stability of the lithium metal anode. Therefore, a good electrolyte for the lithium metal anode needs to exhibit high cathode stability as well. Which of the following additives can reduce the degradation of electrolyte at the cathode side?",[Li+].[B-](F)(F)(F)F,[Li+].[B-]1(OC(=O)C(=O)O1)(F)F,[Li+].[O-]P(=O)(F)F,[Li+].[O-]Cl(=O)(=O)=O,"B,C",Materials,Easy,Advanced Reasoning,Liquid Electrolyte Q&A
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It is known that Li3N has relatively high Li+ conductivity compared to LiF and Li2O. Which of the following additives can generate an SEI with the best Li+ transport properties?,C1C(OC(=O)O1)F,[Li+].[N+](=O)([O-])[O-],[Li+].[O-]Cl(=O)(=O)=O,CCOP(=O)(OCC)OCC,B,Materials,Medium,Basic,Liquid Electrolyte Q&A
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