Class information for:
Level 1: HYDROGEN ECONOMY//HYDROGEN INFRASTRUCTURE//POWER TO GAS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
15704 697 32.4 34%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
18 4 THERMODYNAMICS//ENERGY & FUELS//ENGINEERING, CHEMICAL 531182
618 3       CHEMICAL LOOPING COMBUSTION//ZEMENT-KALK-GIPS//TIANJIN INTELLIGENT COMP NOVEL SOFTWARE 13877
2329 2             CHEMICAL LOOPING COMBUSTION//CHEMICAL LOOPING//OXYGEN CARRIER 4441
15704 1                   HYDROGEN ECONOMY//HYDROGEN INFRASTRUCTURE//POWER TO GAS 697

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 HYDROGEN ECONOMY authKW 944615 8% 37% 58
2 HYDROGEN INFRASTRUCTURE authKW 798390 4% 68% 27
3 POWER TO GAS authKW 321964 3% 35% 21
4 HYDROGEN SUPPLY CHAIN authKW 312911 1% 71% 10
5 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY journal 303644 53% 2% 368
6 UNDERGROUND HYDROGEN STORAGE authKW 268324 1% 88% 7
7 HYDROGEN ENERGY SYSTEM authKW 168965 1% 43% 9
8 HYDROGEN FUELING STATION authKW 143100 1% 47% 7
9 A MOLTEN CARBONATE authKW 131425 0% 100% 3
10 FUEL CELL VEHICLE authKW 118488 3% 13% 21

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Energy & Fuels 43896 79% 0% 553
2 Electrochemistry 30914 56% 0% 390
3 Chemistry, Physical 5074 56% 0% 391
4 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 1841 7% 0% 48
5 Environmental Studies 617 6% 0% 39
6 Thermodynamics 352 6% 0% 44
7 Engineering, Chemical 163 8% 0% 54
8 Transportation 134 1% 0% 10
9 Environmental Sciences 116 8% 0% 56
10 Engineering, Petroleum 98 1% 0% 9

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 GRP ENERGY SUSTAINABLE DEV 63716 1% 36% 4
2 EXPERTISE SYST 58410 0% 67% 2
3 I TESE 57635 1% 26% 5
4 UCL SUSTAINABLE OURCES 49281 0% 38% 3
5 ABT STST ANAL TECH BEWERTUNG 43808 0% 100% 1
6 ALBERTO LUIS COIMBRA POS PESQUISA ENGN 43808 0% 100% 1
7 BFI VIENNA 43808 0% 100% 1
8 BRAZILIAN REFERENCE HYDROGEN ENERGY 43808 0% 100% 1
9 CARBON SERV 43808 0% 100% 1
10 CEA DEN DANS 43808 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 303644 53% 2% 368
2 ENERGY POLICY 3502 4% 0% 27
3 RENEWABLE & SUSTAINABLE ENERGY REVIEWS 2474 3% 0% 19
4 ENERGY 1758 3% 0% 21
5 REVISTA TECNICA DE LA FACULTAD DE INGENIERIA UNIVERSIDAD DEL ZULIA 1694 0% 1% 3
6 ENERGY CONVERSION AND MANAGEMENT 896 2% 0% 14
7 ANNUAL REVIEW OF ENERGY AND THE ENVIRONMENT 881 0% 1% 2
8 CHINESE STUDIES IN HISTORY 780 0% 2% 1
9 RENEWABLE ENERGY 761 2% 0% 12
10 JOURNAL OF POWER SOURCES 738 3% 0% 20

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 HYDROGEN ECONOMY 944615 8% 37% 58 Search HYDROGEN+ECONOMY Search HYDROGEN+ECONOMY
2 HYDROGEN INFRASTRUCTURE 798390 4% 68% 27 Search HYDROGEN+INFRASTRUCTURE Search HYDROGEN+INFRASTRUCTURE
3 POWER TO GAS 321964 3% 35% 21 Search POWER+TO+GAS Search POWER+TO+GAS
4 HYDROGEN SUPPLY CHAIN 312911 1% 71% 10 Search HYDROGEN+SUPPLY+CHAIN Search HYDROGEN+SUPPLY+CHAIN
5 UNDERGROUND HYDROGEN STORAGE 268324 1% 88% 7 Search UNDERGROUND+HYDROGEN+STORAGE Search UNDERGROUND+HYDROGEN+STORAGE
6 HYDROGEN ENERGY SYSTEM 168965 1% 43% 9 Search HYDROGEN+ENERGY+SYSTEM Search HYDROGEN+ENERGY+SYSTEM
7 HYDROGEN FUELING STATION 143100 1% 47% 7 Search HYDROGEN+FUELING+STATION Search HYDROGEN+FUELING+STATION
8 A MOLTEN CARBONATE 131425 0% 100% 3 Search A+MOLTEN+CARBONATE Search A+MOLTEN+CARBONATE
9 FUEL CELL VEHICLE 118488 3% 13% 21 Search FUEL+CELL+VEHICLE Search FUEL+CELL+VEHICLE
10 HYDROGEN ENERGY 107249 3% 11% 23 Search HYDROGEN+ENERGY Search HYDROGEN+ENERGY

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 KONDA, NVSNM , SHAH, N , BRANDON, NP , (2011) OPTIMAL TRANSITION TOWARDS A LARGE-SCALE HYDROGEN INFRASTRUCTURE FOR THE TRANSPORT SECTOR: THE CASE FOR THE NETHERLANDS.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 36. ISSUE 8. P. 4619 -4635 35 83% 26
2 DAGDOUGUI, H , (2012) MODELS, METHODS AND APPROACHES FOR THE PLANNING AND DESIGN OF THE FUTURE HYDROGEN SUPPLY CHAIN.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 37. ISSUE 6. P. 5318-5327 41 67% 15
3 ALMARAZ, SD , AZZARO-PANTEL, C , MONTASTRUC, L , BOIX, M , (2015) DEPLOYMENT OF A HYDROGEN SUPPLY CHAIN BY MULTI-OBJECTIVE/MULTI-PERIOD OPTIMISATION AT REGIONAL AND NATIONAL SCALES.CHEMICAL ENGINEERING RESEARCH & DESIGN. VOL. 104. ISSUE . P. 11 -31 26 90% 3
4 JOHNSON, N , OGDEN, J , (2012) A SPATIALLY-EXPLICIT OPTIMIZATION MODEL FOR LONG-TERM HYDROGEN PIPELINE PLANNING.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 37. ISSUE 6. P. 5421-5433 30 81% 14
5 AGNOLUCCI, P , MCDOWALL, W , (2013) DESIGNING FUTURE HYDROGEN INFRASTRUCTURE: INSIGHTS FROM ANALYSIS AT DIFFERENT SPATIAL SCALES.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 38. ISSUE 13. P. 5181 -5191 28 72% 12
6 RAHMOUNI, S , SETTOU, N , NEGROU, B , GOUAREH, A , (2016) GIS-BASED METHOD FOR FUTURE PROSPECT OF HYDROGEN DEMAND IN THE ALGERIAN ROAD TRANSPORT SECTOR.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 41. ISSUE 4. P. 2128 -2143 22 76% 1
7 SAMSATLI, S , STAFFELL, I , SAMSATLI, NJ , (2016) OPTIMAL DESIGN AND OPERATION OF INTEGRATED WIND-HYDROGEN-ELECTRICITY NETWORKS FOR DECARBONISING THE DOMESTIC TRANSPORT SECTOR IN GREAT BRITAIN.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 41. ISSUE 1. P. 447 -475 17 71% 4
8 ALMARAZ, SD , AZZARO-PANTEL, C , MONTASTRUC, L , PIBOULEAU, L , SENTIES, OB , (2013) ASSESSMENT OF MONO AND MULTI-OBJECTIVE OPTIMIZATION TO DESIGN A HYDROGEN SUPPLY CHAIN.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 38. ISSUE 33. P. 14121 -14145 18 86% 8
9 KIM, M , KIM, J , (2016) OPTIMIZATION MODEL FOR THE DESIGN AND ANALYSIS OF AN INTEGRATED RENEWABLE HYDROGEN SUPPLY (IRHS) SYSTEM: APPLICATION TO KOREA'S HYDROGEN ECONOMY.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 41. ISSUE 38. P. 16613 -16626 23 66% 0
10 POSSO, F , SANCHEZ, J , ESPINOZA, JL , SIGUENCIA, J , (2016) PRELIMINARY ESTIMATION OF ELECTROLYTIC HYDROGEN PRODUCTION POTENTIAL FROM RENEWABLE ENERGIES IN ECUADOR.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 41. ISSUE 4. P. 2326 -2344 16 76% 3

Classes with closest relation at Level 1


Rank Class id link
1 30046 FAST FILLING//FAST FILLING PROCESS//COMPRESSED HYDROGEN STORAGE
2 3961 ELECTRIC VEHICLES//ALTERNATIVE FUEL VEHICLES//BATTERY ELECTRIC VEHICLE
3 3618 HYBRID ENERGY SYSTEM//HYBRID RENEWABLE ENERGY SYSTEM//DIESEL GENERATOR
4 12379 SULFUR IODINE CYCLE//THERMOCHEMICAL HYDROGEN PRODUCTION//COPPER CHLORINE CYCLE
5 37214 C ACITETSGRP REACTORTECHNOL//COAL SLIME//HEATING-PIPING-AIR CONDITIONING
6 16730 SOLID OXIDE ELECTROLYSIS CELL//HIGH TEMPERATURE ELECTROLYSIS//SOEC
7 33518 CONVENTIONAL CRUDE//OIL SANDS OPERATIONS//STEAM TO OIL RATIO
8 14132 HYDROGEN SAFETY//JET FIRE//HYDROGEN DISPERSION
9 22270 LIQUID ORGANIC HYDROGEN CARRIER//LOHC//METHYLCYCLOHEXANE DEHYDROGENATION
10 16720 IGCC//COAL GASIFICATION//ENTRAINED FLOW GASIFIER

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