Nanocarbon Electrochemistry 2019
DOI: 10.1002/9781119468288.ch2
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The Capacitance of Graphene: From Model Systems to Large‐Scale Devices

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Cited by 17 publications
(29 citation statements)
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“…The capacitance of HOPG in 0.5 M KF shows a minimum of 2.59 (AE0.08) mF cm À2 but displays an asymmetry with respect to potential, due to the onset of an interfering faradaic process attributed to oxygen reduction at À0.3 V vs. Ag/ AgCl. 28 When the KF concentration was increased to 1.0 M, the C-E response became more symmetric showing a minimum capacitance of 3.86 (AE0.10) mF cm À2 at 0.1 V vs. Ag/AgCl, which by denition is the potential zero charge (PZC) of the electrode/ electrolyte interface. 7 It can be seen that the capacitance of 1.0 M KF gradually increased on both positive and negative branches (from À0.4 V to 0.6 V).…”
Section: Resultsmentioning
confidence: 99%
“…The capacitance of HOPG in 0.5 M KF shows a minimum of 2.59 (AE0.08) mF cm À2 but displays an asymmetry with respect to potential, due to the onset of an interfering faradaic process attributed to oxygen reduction at À0.3 V vs. Ag/ AgCl. 28 When the KF concentration was increased to 1.0 M, the C-E response became more symmetric showing a minimum capacitance of 3.86 (AE0.10) mF cm À2 at 0.1 V vs. Ag/AgCl, which by denition is the potential zero charge (PZC) of the electrode/ electrolyte interface. 7 It can be seen that the capacitance of 1.0 M KF gradually increased on both positive and negative branches (from À0.4 V to 0.6 V).…”
Section: Resultsmentioning
confidence: 99%
“…13 However, graphene stores the charge through a build-up in the electrical double layer, which can limit the energy density of the energy storage. 4,14,15 There are many 2D materials apart from graphene that can be used, such as transition metal dichalcogenides (TMDs, also called MX 2 ), 16 which provide outstanding electrochemical properties in terms of energy storage. 17 This is due to the charge storage mechanism of these materials based on both faradaic and non-faradaic processes.…”
Section: Introductionmentioning
confidence: 99%
“…Advanced cells and other devices have taken the universe through its sparkle; however, little battery utilizing is the best of the fundamental trade issues. So, for the need of expanding battery issues of electronic gadgets, battery-F I G U R E 5 Photocatalytic solids and reactions for the use of sunlight 26 powered Li-ion batteries have been utilizing, because they have high-energy thickness and stable cycle. 57 Strategy of manufacturing includes anode, cathode, and separator as fundamental segments besides electrolytes.…”
Section: Li-ion Batteriesmentioning
confidence: 99%
“…But these 2D materials have some limitations as they have poor conductivity, poor specific capacitance, and limited transportation of ions and electrons. 13 2D materials, which are consisting of graphene/graphene-based nano composites, metal-organic structures, and MXenes, have pulled in expanding consideration as a result of their remarkable elemental properties. Graphene/graphene-based nano composites can conceivably survive as future energy gadgets.…”
Section: Introductionmentioning
confidence: 99%
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