Research Article

Study of Keyword Extraction Techniques for Electric Double-Layer Capacitor Domain Using Text Similarity Indexes: An Experimental Analysis

Table 1

Domain expert-curated keywords for EDLC domain with lemmatised and stemmed version. From left, keywords’ column contains the original keywords provided by the domain experts. Lemmatised keyword and stemmed keyword columns contain lemmatised and stemmed version of the original keywords.

KeywordLemmatised keywordStemmed keyword

SupercapacitorsSupercapacitorsSupercapacitors
scsscsc
Electrochemical capacitorsElectrochemical capacitorsElectrochemical capacitor
Energy storage deviceEnergy storage deviceEnergy storage device
Electric double-layer capacitorElectric double-layer capacitorElectric double-layer capacitor
edlcedlcedlc
PseudocapacitancePseudocapacitancePseudocapacitance
Electrostatic adsorptionElectrostatic adsorptionElectrostatic adsorption
ElectrosorptionElectrosorptionElectrosorption
Faradaic redox reactionsFaradaic redox reactionsFaradaic redox react
Stern layerStern layerStern lay
Helmholtz double layerHelmholtz double layerHelmholtz double lay
Double-layer formationDouble-layer formationDouble-layer formation
Activated carbonActivated carbonActivated carbon
Porous carbonPorous carbonPorous carbon
Carbon nanotubesCarbon nanotubesCarbon nanotubes
GrapheneGrapheneGraphene
Graphite oxideGraphite oxideGraphite oxide
gogogo
Reduced graphite oxideReduced graphite oxideReduced graphite oxide
rgorgorgo
Surface charge accumulationSurface charge accumulationSurface charge accumulation
High power applicationsHigh power applicationsHigh power applications
Charge separation at electrode interfaceCharge separation at electrode interfaceCharge separation at electrode interface
Charge separation at electrolyte interfaceCharge separation at electrolyte interfaceCharge separation at electrolyte interface
Nonfaradaic processNonfaradaic processNonfaradaic process
Specific surface areaSpecific surface areaSpecific surface area
Pore size distributionPore size distributionPore size distribution
Electrochemical interfaceElectrochemical interfaceElectrochemical interface
edlc characteristicsedlc characteristicsedlc characteristics
Diffuse double layerDiffuse double layerDiffuse double lay
Polarizable capacitor electrodePolarizable capacitor electrodePolarizable capacitor electrode