Class information for:
Level 1: POLYBENZIMIDAZOLE//PBI//HT PEMFC

Basic class information
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
1 4 PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY 2188495
42 3       ELECTROCHEMISTRY//FUEL CELL//JOURNAL OF ELECTROANALYTICAL CHEMISTRY 105165
19 2             FUEL CELL//OXYGEN REDUCTION REACTION//DIRECT METHANOL FUEL CELL 36706
6101 1                   POLYBENZIMIDAZOLE//PBI//HT PEMFC 1558

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 POLYBENZIMIDAZOLE authKW 3665984 18% 64% 284
2 PBI authKW 1168088 6% 61% 94
3 HT PEMFC authKW 599307 3% 74% 40
4 HIGH TEMPERATURE PEMFC authKW 540590 3% 64% 42
5 HIGH TEMPERATURE PROTON EXCHANGE MEMBRANE FUEL CELL authKW 431511 2% 89% 24
6 HIGH TEMPERATURE PEM FUEL CELL authKW 417307 2% 74% 28
7 POLYBENZIMIDAZOLE PBI authKW 360394 2% 64% 28
8 PROTON CONDUCTIVITY authKW 345109 10% 11% 161
9 HIGH TEMPERATURE PROTON EXCHANGE MEMBRANE authKW 292073 1% 76% 19
10 POLY2 5 BENZIMIDAZOLE authKW 258903 1% 80% 16

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Electrochemistry 34253 40% 0% 623
2 Energy & Fuels 14842 32% 0% 499
3 Polymer Science 8018 27% 0% 428
4 Chemistry, Physical 4293 36% 0% 561
5 Materials Science, Multidisciplinary 878 20% 0% 304
6 Engineering, Chemical 477 9% 0% 135
7 Materials Science, Coatings & Films 348 4% 0% 60
8 Physics, Condensed Matter 62 6% 0% 87
9 Thermodynamics 49 2% 0% 32
10 Chemistry, Multidisciplinary 48 7% 0% 107

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOLAR CELL FUEL CELL 80909 0% 100% 4
2 HYSA SYST COMPETENCE 77673 1% 30% 13
3 EB YEAGER ELE OCHEM SCI 53937 0% 67% 4
4 ENERGY MAT SCI GRP 50563 0% 50% 5
5 GRP FUEL CELL 40455 0% 100% 2
6 HYUNDAI AUTOMOBILE 40455 0% 100% 2
7 FUEL CELL 36255 4% 3% 59
8 NEXT ENERGY EWE ENERGY TECHNOL 30962 0% 22% 7
9 RENEWABLE ENERGIES GRP 30338 0% 50% 3
10 ENERGY CLIMATE FUEL CELLS IEK 3 29739 0% 29% 5

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FUEL CELLS 59714 4% 5% 61
2 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 27352 11% 1% 171
3 JOURNAL OF POWER SOURCES 22968 11% 1% 164
4 JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY 7675 1% 2% 18
5 JOURNAL OF MEMBRANE SCIENCE 5701 4% 0% 65
6 SOLID STATE IONICS 4883 4% 0% 57
7 ELECTROCHIMICA ACTA 4326 5% 0% 79
8 JOURNAL OF POLYMER RESEARCH 2949 1% 1% 19
9 JOURNAL OF THE ELECTROCHEMICAL SOCIETY 2124 4% 0% 58
10 POLYMER 1338 3% 0% 43

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 POLYBENZIMIDAZOLE 3665984 18% 64% 284 Search POLYBENZIMIDAZOLE Search POLYBENZIMIDAZOLE
2 PBI 1168088 6% 61% 94 Search PBI Search PBI
3 HT PEMFC 599307 3% 74% 40 Search HT+PEMFC Search HT+PEMFC
4 HIGH TEMPERATURE PEMFC 540590 3% 64% 42 Search HIGH+TEMPERATURE+PEMFC Search HIGH+TEMPERATURE+PEMFC
5 HIGH TEMPERATURE PROTON EXCHANGE MEMBRANE FUEL CELL 431511 2% 89% 24 Search HIGH+TEMPERATURE+PROTON+EXCHANGE+MEMBRANE+FUEL+CELL Search HIGH+TEMPERATURE+PROTON+EXCHANGE+MEMBRANE+FUEL+CELL
6 HIGH TEMPERATURE PEM FUEL CELL 417307 2% 74% 28 Search HIGH+TEMPERATURE+PEM+FUEL+CELL Search HIGH+TEMPERATURE+PEM+FUEL+CELL
7 POLYBENZIMIDAZOLE PBI 360394 2% 64% 28 Search POLYBENZIMIDAZOLE+PBI Search POLYBENZIMIDAZOLE+PBI
8 PROTON CONDUCTIVITY 345109 10% 11% 161 Search PROTON+CONDUCTIVITY Search PROTON+CONDUCTIVITY
9 HIGH TEMPERATURE PROTON EXCHANGE MEMBRANE 292073 1% 76% 19 Search HIGH+TEMPERATURE+PROTON+EXCHANGE+MEMBRANE Search HIGH+TEMPERATURE+PROTON+EXCHANGE+MEMBRANE
10 POLY2 5 BENZIMIDAZOLE 258903 1% 80% 16 Search POLY2+5+BENZIMIDAZOLE Search POLY2+5+BENZIMIDAZOLE

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.

Classes with closest relation at Level 1


rank cluster_id2 link
1 110 PROTON CONDUCTIVITY//PROTON EXCHANGE MEMBRANE//METHANOL PERMEABILITY
2 25175 SHI MOGYO KU//ISONICOTINIC ACID N OXIDE//PROTON CONDUCTION
3 21345 PHOSPHOSILICATE GEL//MEDIUM TEMPERATURE RANGE//H 2 O 2 FUEL CELL
4 16710 IQSC//STARCH CHITOSAN BLEND//PROTON BATTERY
5 67 GAS DIFFUSION LAYER//PEM FUEL CELL//PROTON EXCHANGE MEMBRANE FUEL CELL
6 4104 CARBON CORROSION//ACCELERATED STRESS TEST//PROTON EXCHANGE MEMBRANE FUEL CELL
7 29693 PHOSPHORIC ACID FUEL CELL//ANAEROBIC DIGESTER GAS//GRAPHITE BI POLAR PLATES
8 20027 DST HYSA INFRASTRUCT COMPETENCE//AIRBORNE CONTAMINANT//HYBRID SULFUR CYCLE
9 28620 SOLUTIONS COMPLEXES//ACID BASE INTERACTIONS HYDROGEN BOND//ACID BASE INTERACTION HYDROGEN BOND
10 7862 CATALYST LAYER//MEMBRANE ELECTRODE ASSEMBLY//CATHODE CATALYST LAYER

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