2020
DOI: 10.1002/admi.201902190
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Tuning the Wrinkles in 3D Graphene Architectures for Mass and Electron Transport

Abstract: vapor deposition method [3] or on graphene oxide sheets [4] and exert influence on the performances of 3D graphene architectures (TDGAs) in their own way. It has been reported that deformations change local strain distributions, cause curvatures which may induce π-cloud re-hybridization, and modify the electronic structure, local charge distribution, dipole moment and optical properties of graphene. [5][6][7][8] They also alter the local chemical potential due to the formation of electron-hole puddles, [9] tri… Show more

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Cited by 7 publications
(6 citation statements)
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“…The curve of each cell contains a semicircle at a high frequency and an inclined line at a low frequency, which are related to the charge transfer resistance ( R ct ), the internal resistance ( R s ), and the Warburg resistance associated with the solid-state diffusion of Li ions ( W C ). 42,43 The fitted R ct value of S/LK450 is 61.7 Ω, which is almost the same as that of S/Li700 (59.1 Ω) and lower than that of S/LK700 (83.6 Ω). The smaller R ct values of S/LK450 and S/Li700 prove the high local and overall electrical conductivities of the carbon skeleton, which are really beneficial for the utilization of sulfur.…”
Section: Resultsmentioning
confidence: 73%
“…The curve of each cell contains a semicircle at a high frequency and an inclined line at a low frequency, which are related to the charge transfer resistance ( R ct ), the internal resistance ( R s ), and the Warburg resistance associated with the solid-state diffusion of Li ions ( W C ). 42,43 The fitted R ct value of S/LK450 is 61.7 Ω, which is almost the same as that of S/Li700 (59.1 Ω) and lower than that of S/LK700 (83.6 Ω). The smaller R ct values of S/LK450 and S/Li700 prove the high local and overall electrical conductivities of the carbon skeleton, which are really beneficial for the utilization of sulfur.…”
Section: Resultsmentioning
confidence: 73%
“…It is mainly derived from the surface folds contribution of excellent mass-specific capacitive graphene. 22 In addition, NPCs (494.54 m 2 •g −1 ) and NPCs@rGO-950 (469.50 m 2 •g −1 ) have a similar BET surface area but showed 6.7 times lower ECSA (Table S5).…”
Section: Resultsmentioning
confidence: 99%
“…Interestingly, although the BET surface area of rGO balls (28.61 m 2 ·g –1 ) was 17.3 times lower than NPCs (494.54 m 2 ·g –1 ), rGO balls (523) had a larger ECSA than NPCs (368.5) under the same mass load (Figure a), indicating that specific surface area is not the only determinant of ECSA. It is mainly derived from the surface folds contribution of excellent mass-specific capacitive graphene . In addition, NPCs (494.54 m 2 ·g –1 ) and NPCs@rGO-950 (469.50 m 2 ·g –1 ) have a similar BET surface area but showed 6.7 times lower ECSA (Table S5).…”
Section: Resultsmentioning
confidence: 99%
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