Class information for:
Level 2: LEAD ACID BATTERY//VALVE REGULATED LEAD ACID BATTERIES//JOURNAL OF POWER SOURCES

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
67 3       LITHIUM ION BATTERY//JOURNAL OF POWER SOURCES//ELECTROCHEMISTRY 88728
2758 2             LEAD ACID BATTERY//VALVE REGULATED LEAD ACID BATTERIES//JOURNAL OF POWER SOURCES 3429
2755 1                   LEAD ACID BATTERY//VALVE REGULATED LEAD ACID BATTERIES//JOURNAL OF POWER SOURCES 2187
20569 1                   RFE2O4//LUFE2O4//CHARGE FRUSTRATION 478
26856 1                   OXIDES POINT DEFECTS//SRLAALO4//NEW INORGAN MAT 264
28550 1                   INTENSITY QUENCHING//LEAD OXIDE//PB 207 223
30069 1                   BI2FE4O9//MULLITE TYPE COMPOUNDS//MULLITE TYPE 191
37239 1                   FRACTILE FILTER//HIGH PRESSURE POWDER DIFFRACTION//2D POWDER DIFFRACTION 86

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LEAD ACID BATTERY authKW 3481113 16% 70% 538
2 VALVE REGULATED LEAD ACID BATTERIES authKW 694251 2% 92% 82
3 JOURNAL OF POWER SOURCES journal 453456 31% 5% 1076
4 VALVE REGULATED authKW 259084 1% 83% 34
5 LEAD ACID authKW 249839 1% 63% 43
6 POSITIVE PLATES authKW 220897 1% 96% 25
7 VRLA authKW 202992 1% 82% 27
8 NEGATIVE PLATE authKW 184204 1% 95% 21
9 LEAD ALLOYS authKW 170923 1% 47% 40
10 VRLA BATTERIES authKW 147014 1% 67% 24

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Electrochemistry 109288 48% 1% 1646
2 Energy & Fuels 33268 32% 0% 1108
3 Materials Science, Multidisciplinary 14146 46% 0% 1566
4 Chemistry, Physical 11561 39% 0% 1352
5 Materials Science, Coatings & Films 2627 7% 0% 230
6 Metallurgy & Metallurgical Engineering 958 7% 0% 223
7 Physics, Condensed Matter 547 9% 0% 299
8 Chemistry, Inorganic & Nuclear 434 5% 0% 172
9 Crystallography 307 3% 0% 109
10 Physics, Applied 212 8% 0% 283

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STORAGE BATTERY 55136 0% 100% 6
2 CLEPS 49005 0% 67% 8
3 ELE OCHEM ENERGY SYST GRP 36758 0% 100% 4
4 HAMMOND EXPANDERS 36758 0% 100% 4
5 VEHICLE FUEL ENVIRONM 34587 0% 47% 8
6 CENT ELE OCHEM POWER SOURCES 31867 1% 18% 19
7 GRP ELE OCHEM POLYMERS 30069 0% 55% 6
8 EXIDE GERMAN GRP 27568 0% 100% 3
9 HEILONGJIANG PROV LOW DIMENS SYST MESOS 27568 0% 100% 3
10 ENGN TRAINING BASIC EXPERIMENTAT 26479 0% 41% 7

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF POWER SOURCES 453456 31% 5% 1076
2 JOURNAL OF APPLIED ELECTROCHEMISTRY 12818 3% 2% 91
3 JOURNAL OF THE ELECTROCHEMICAL SOCIETY 9438 5% 1% 180
4 JOURNAL OF SOLID STATE CHEMISTRY 5258 3% 1% 93
5 JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY 5181 1% 2% 28
6 ELECTROCHIMICA ACTA 2941 3% 0% 98
7 SURFACE TECHNOLOGY 2629 0% 2% 13
8 HYDROMETALLURGY 1950 1% 1% 30
9 JOURNAL OF ELECTROANALYTICAL CHEMISTRY 1757 2% 0% 60
10 DENKI KAGAKU 1721 1% 1% 23

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 LEAD ACID BATTERY 3481113 16% 70% 538 Search LEAD+ACID+BATTERY Search LEAD+ACID+BATTERY
2 VALVE REGULATED LEAD ACID BATTERIES 694251 2% 92% 82 Search VALVE+REGULATED+LEAD+ACID+BATTERIES Search VALVE+REGULATED+LEAD+ACID+BATTERIES
3 VALVE REGULATED 259084 1% 83% 34 Search VALVE+REGULATED Search VALVE+REGULATED
4 LEAD ACID 249839 1% 63% 43 Search LEAD+ACID Search LEAD+ACID
5 POSITIVE PLATES 220897 1% 96% 25 Search POSITIVE+PLATES Search POSITIVE+PLATES
6 VRLA 202992 1% 82% 27 Search VRLA Search VRLA
7 NEGATIVE PLATE 184204 1% 95% 21 Search NEGATIVE+PLATE Search NEGATIVE+PLATE
8 LEAD ALLOYS 170923 1% 47% 40 Search LEAD+ALLOYS Search LEAD+ALLOYS
9 VRLA BATTERIES 147014 1% 67% 24 Search VRLA+BATTERIES Search VRLA+BATTERIES
10 RFE2O4 138380 0% 94% 16 Search RFE2O4 Search RFE2O4

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 3500 THERMAL BATTERY//LI SOCL2 BATTERY//LITHIUM THIONYL CHLORIDE BATTERY
2 3405 VANADIUM REDOX FLOW BATTERY//REDOX FLOW BATTERY//FLOW BATTERY
3 512 ELECTROCOAGULATION//CATALYTIC OZONATION//ELECTRO FENTON
4 1992 ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE//TOLBACHIK VOLCANO//HEXAGONAL PEROVSKITE
5 3794 PLUMBOSOLVENCY//JOURNAL AMERICAN WATER WORKS ASSOCIATION//PARTIAL LEAD SERVICE LINE REPLACEMENT
6 2482 HYBRID ELECTRIC VEHICLE//HYBRID VEHICLES//ENERGY MANAGEMENT STRATEGY
7 3559 LUDWIGITE//BORACITES//GAFEO3
8 886 HYDROGEN EVOLUTION REACTION//OXYGEN EVOLUTION REACTION//WATER ELECTROLYSIS
9 3402 ROUGH ELECTRODE//COULOSTATIC//CAPACITANCE DISPERSION
10 62 MANGANITES//COLOSSAL MAGNETORESISTANCE//DOUBLE PEROVSKITE

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