Class information for:
Level 2: HYDROGEN EVOLUTION REACTION//OXYGEN EVOLUTION REACTION//WATER ELECTROLYSIS

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
886 2             HYDROGEN EVOLUTION REACTION//OXYGEN EVOLUTION REACTION//WATER ELECTROLYSIS 11596
752 1                   HYDROGEN EVOLUTION REACTION//OXYGEN EVOLUTION REACTION//WATER SPLITTING 3126
4386 1                   IRIDIUM OXIDE//WATER ELECTROLYSIS//IRO2 1826
6507 1                   HYDROGEN EVOLUTION REACTION//ALKALINE WATER ELECTROLYSIS//HYDROGEN EVOLUTION 1505
8511 1                   CO3O4//COBALT OXIDE//COBALTIC OXIDE 1277
8749 1                   NICKEL HYDROXIDE//NICKEL HYDROXIDE ELECTRODE//ALPHA NICKEL HYDROXIDE 1251
13572 1                   OXYGEN EVOLUTION//BIFUNCTIONAL ELECTRODE//BIFUNCTIONAL OXYGEN ELECTRODES 857
14658 1                   ZINC ELECTRODE//INNOVAT BASE ENERGY CHEM MAT STUDENTS TRAI//ZINC AIR BATTERY 785
23980 1                   LAYERED COPPER HYDROXIDES//THIOPHENE 2 5 DICARBOXYLIC ACID//UMR 75040 351
26298 1                   ALKALINE SECONDARY BATTERY//FARADAIC REDOX//CO B ALLOY 279
29088 1                   CHLORATE ELECTROLYSIS//CHLORATE PRODUCTION//CHLORATE MANUFACTURE 211
34183 1                   CADMIUM ELECTRODE//BORON LITHIUM POTASSIUM CESIUM RUBIDIUM//CADMIUM DENDRITE 128

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYDROGEN EVOLUTION REACTION authKW 1351937 6% 68% 733
2 OXYGEN EVOLUTION REACTION authKW 836289 4% 66% 467
3 WATER ELECTROLYSIS authKW 377601 2% 57% 242
4 NICKEL HYDROXIDE authKW 294471 2% 50% 216
5 HYDROGEN EVOLUTION authKW 230346 3% 25% 340
6 ELECTROCHEMISTRY WoSSC 229965 38% 2% 4408
7 CO3O4 authKW 188471 2% 34% 203
8 OXYGEN EVOLUTION authKW 179366 2% 25% 266
9 ELECTROCATALYSIS authKW 177701 5% 11% 619
10 COBALT OXIDE authKW 152102 2% 22% 253

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Electrochemistry 229965 38% 2% 4408
2 Energy & Fuels 33235 18% 1% 2090
3 Chemistry, Physical 29632 35% 0% 4037
4 Materials Science, Multidisciplinary 22650 33% 0% 3795
5 Materials Science, Coatings & Films 12363 8% 1% 907
6 Nanoscience & Nanotechnology 8622 10% 0% 1187
7 Chemistry, Multidisciplinary 7119 18% 0% 2130
8 Physics, Applied 1471 10% 0% 1193
9 Metallurgy & Metallurgical Engineering 1335 5% 0% 528
10 Physics, Condensed Matter 1255 8% 0% 883

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INNOVAT BASE ENERGY CHEM MAT STUDENTS TRAI 43447 0% 80% 20
2 PROGRAMA ELE OQUIM LICADA INGN ELE OQUIM 24408 0% 33% 27
3 NEW ENERGY MAT CHEM 22933 1% 11% 77
4 OURCE CHEM NONFERROUS MET 21751 0% 38% 21
5 TRINITY ELE OCHEM ENERGY CONVERS ELE OCATAL 21728 0% 100% 8
6 CHINA AUSTRALIA JOINT FUNCT MAT 19012 0% 100% 7
7 EPFL ISIC LSCI 14285 0% 53% 10
8 JILIN PROV LOW CARBON CHEM POWER SOURCES 13966 0% 86% 6
9 UT SPACE 13966 0% 86% 6
10 INORGAN SYNTH CATALYSIS 13735 0% 24% 21

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 73137 7% 4% 766
2 JOURNAL OF APPLIED ELECTROCHEMISTRY 59112 3% 6% 359
3 ELECTROCHIMICA ACTA 57308 7% 3% 781
4 JOURNAL OF POWER SOURCES 41530 5% 3% 606
5 JOURNAL OF MATERIALS CHEMISTRY A 40094 4% 4% 410
6 JOURNAL OF THE ELECTROCHEMICAL SOCIETY 35911 6% 2% 645
7 JOURNAL OF ELECTROANALYTICAL CHEMISTRY 16120 3% 2% 330
8 ACS CATALYSIS 11858 1% 3% 131
9 DENKI KAGAKU 10273 1% 4% 103
10 JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS 10116 0% 7% 55

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HYDROGEN EVOLUTION REACTION 1351937 6% 68% 733 Search HYDROGEN+EVOLUTION+REACTION Search HYDROGEN+EVOLUTION+REACTION
2 OXYGEN EVOLUTION REACTION 836289 4% 66% 467 Search OXYGEN+EVOLUTION+REACTION Search OXYGEN+EVOLUTION+REACTION
3 WATER ELECTROLYSIS 377601 2% 57% 242 Search WATER+ELECTROLYSIS Search WATER+ELECTROLYSIS
4 NICKEL HYDROXIDE 294471 2% 50% 216 Search NICKEL+HYDROXIDE Search NICKEL+HYDROXIDE
5 HYDROGEN EVOLUTION 230346 3% 25% 340 Search HYDROGEN+EVOLUTION Search HYDROGEN+EVOLUTION
6 CO3O4 188471 2% 34% 203 Search CO3O4 Search CO3O4
7 OXYGEN EVOLUTION 179366 2% 25% 266 Search OXYGEN+EVOLUTION Search OXYGEN+EVOLUTION
8 ELECTROCATALYSIS 177701 5% 11% 619 Search ELECTROCATALYSIS Search ELECTROCATALYSIS
9 COBALT OXIDE 152102 2% 22% 253 Search COBALT+OXIDE Search COBALT+OXIDE
10 ELECTROCATALYST 150971 3% 15% 366 Search ELECTROCATALYST Search ELECTROCATALYST

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 2


rank cluster_id2 link
1 2080 WATER OXIDATION//CO2 REDUCTION//CLIMATE CHANGE GLOBAL WARMING
2 3350 LITHIUM OXYGEN BATTERY//LI O 2 BATTERY//LITHIUM AIR BATTERY
3 403 SUPERCAPACITOR//ELECTROCHEMICAL CAPACITOR//SPECIFIC CAPACITANCE
4 19 FUEL CELL//OXYGEN REDUCTION REACTION//DIRECT METHANOL FUEL CELL
5 4015 NTC THERMISTOR//THERMISTOR//NICKEL MANGANITE
6 2553 ELECTROCHEMICAL REACTOR//POTENTIAL OSCILLATIONS//JOURNAL OF APPLIED ELECTROCHEMISTRY
7 3908 FERRATE//FERRATEVI//POTASSIUM FERRATE
8 3402 ROUGH ELECTRODE//COULOSTATIC//CAPACITANCE DISPERSION
9 479 G C3N4//PHOTOCATALYSIS//WATER SPLITTING
10 3405 VANADIUM REDOX FLOW BATTERY//REDOX FLOW BATTERY//FLOW BATTERY

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