Class information for:
Level 1: DIRECT METHANOL FUEL CELL//METHANOL CROSSOVER//DMFC

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
4958 1                   DIRECT METHANOL FUEL CELL//METHANOL CROSSOVER//DMFC 1723

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIRECT METHANOL FUEL CELL authKW 2494238 28% 29% 478
2 METHANOL CROSSOVER authKW 1509243 10% 49% 168
3 DMFC authKW 1372063 12% 35% 212
4 PASSIVE DIRECT METHANOL FUEL CELL authKW 792205 3% 92% 47
5 MICROFLUIDIC FUEL CELL authKW 726542 3% 83% 48
6 MICRO FUEL CELL authKW 651875 3% 59% 60
7 PASSIVE DMFC authKW 582295 2% 86% 37
8 DIRECT METHANOL FUEL CELL DMFC authKW 569058 4% 44% 71
9 MICRO DIRECT METHANOL FUEL CELL authKW 548703 2% 100% 30
10 VAPOR FEED authKW 365802 1% 100% 20

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Electrochemistry 100752 65% 1% 1116
2 Energy & Fuels 48808 54% 0% 939
3 Chemistry, Physical 6384 41% 0% 709
4 Materials Science, Multidisciplinary 4315 37% 0% 629
5 Materials Science, Coatings & Films 964 6% 0% 100
6 Thermodynamics 501 5% 0% 85
7 Nanoscience & Nanotechnology 456 7% 0% 113
8 Engineering, Chemical 338 7% 0% 125
9 Instruments & Instrumentation 291 5% 0% 85
10 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 220 2% 0% 29

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FUEL CELL TECHNOL GRP 68933 0% 54% 7
2 FUEL CELL 55866 4% 4% 77
3 REFRIGERAT AIR CONDITIONING ENERGY ENGN 55130 1% 22% 14
4 DIRECT ALCOHOL FUEL CELL 46114 1% 19% 13
5 ELE OCHEM ENGINE 39105 1% 16% 13
6 ENERGY CLIMATE FUEL CELLS IEK 3 38724 0% 35% 6
7 DEUTCHES ZENTRUM LUFT RAUMFAHRT 36580 0% 100% 2
8 ELE O MAT DEVICE EMD 36580 0% 100% 2
9 IWV3 36576 0% 50% 4
10 MICROSYST MICROSTRUCT MFG 35481 2% 7% 26

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF POWER SOURCES 182491 28% 2% 484
2 JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY 47444 3% 6% 47
3 FUEL CELLS 29355 3% 4% 45
4 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 25878 10% 1% 175
5 ELECTROCHIMICA ACTA 8808 7% 0% 118
6 JOURNAL OF THE ELECTROCHEMICAL SOCIETY 4802 5% 0% 91
7 ELECTROCHEMISTRY COMMUNICATIONS 4590 2% 1% 39
8 ELECTROCHEMISTRY 4102 1% 1% 23
9 JOURNAL OF MICROMECHANICS AND MICROENGINEERING 3657 2% 1% 34
10 ELECTROCHEMICAL AND SOLID STATE LETTERS 3552 2% 1% 29

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 DIRECT METHANOL FUEL CELL 2494238 28% 29% 478 Search DIRECT+METHANOL+FUEL+CELL Search DIRECT+METHANOL+FUEL+CELL
2 METHANOL CROSSOVER 1509243 10% 49% 168 Search METHANOL+CROSSOVER Search METHANOL+CROSSOVER
3 DMFC 1372063 12% 35% 212 Search DMFC Search DMFC
4 PASSIVE DIRECT METHANOL FUEL CELL 792205 3% 92% 47 Search PASSIVE+DIRECT+METHANOL+FUEL+CELL Search PASSIVE+DIRECT+METHANOL+FUEL+CELL
5 MICROFLUIDIC FUEL CELL 726542 3% 83% 48 Search MICROFLUIDIC+FUEL+CELL Search MICROFLUIDIC+FUEL+CELL
6 MICRO FUEL CELL 651875 3% 59% 60 Search MICRO+FUEL+CELL Search MICRO+FUEL+CELL
7 PASSIVE DMFC 582295 2% 86% 37 Search PASSIVE+DMFC Search PASSIVE+DMFC
8 DIRECT METHANOL FUEL CELL DMFC 569058 4% 44% 71 Search DIRECT+METHANOL+FUEL+CELL+DMFC Search DIRECT+METHANOL+FUEL+CELL+DMFC
9 MICRO DIRECT METHANOL FUEL CELL 548703 2% 100% 30 Search MICRO+DIRECT+METHANOL+FUEL+CELL Search MICRO+DIRECT+METHANOL+FUEL+CELL
10 VAPOR FEED 365802 1% 100% 20 Search VAPOR+FEED Search VAPOR+FEED

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 35191 DIRECT DIMETHYL ETHER FUEL CELL//A DIRECT DME FUEL CELL//ANODE CATALYST DEGRADATION
2 7862 CATALYST LAYER//MEMBRANE ELECTRODE ASSEMBLY//CATHODE CATALYST LAYER
3 206 METHANOL OXIDATION//METHANOL ELECTROOXIDATION//ETHANOL ELECTROOXIDATION
4 67 GAS DIFFUSION LAYER//PEM FUEL CELL//PROTON EXCHANGE MEMBRANE FUEL CELL
5 23368 ELE OCATALYSIS//RUTHENIUM CHALCOGENIDE//METHANOL TOLERANCE
6 110 PROTON CONDUCTIVITY//PROTON EXCHANGE MEMBRANE//METHANOL PERMEABILITY
7 14096 BIPOLAR PLATE//INTERFACIAL CONTACT RESISTANCE//METALLIC BIPOLAR PLATE
8 17511 DIRECT BOROHYDRIDE FUEL CELL//BOROHYDRIDE OXIDATION//DIRECT BOROHYDRIDE HYDROGEN PEROXIDE FUEL CELL
9 8592 ANION EXCHANGE MEMBRANE//ALKALINE FUEL CELL//ALKALINE ANION EXCHANGE MEMBRANE
10 9419 FORMIC ACID OXIDATION//DIRECT FORMIC ACID FUEL CELL//FORMIC ACID ELECTROOXIDATION

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