Class information for: |
Basic class information |
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 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | LEAD ACID BATTERY | authKW | 5458653 | 25% | 70% | 538 |
| 2 | VALVE REGULATED LEAD ACID BATTERIES | authKW | 1088610 | 4% | 92% | 82 |
| 3 | JOURNAL OF POWER SOURCES | journal | 712194 | 49% | 5% | 1076 |
| 4 | VALVE REGULATED | authKW | 406257 | 2% | 83% | 34 |
| 5 | LEAD ACID | authKW | 391771 | 2% | 63% | 43 |
| 6 | POSITIVE PLATES | authKW | 346373 | 1% | 96% | 25 |
| 7 | VRLA | authKW | 318302 | 1% | 82% | 27 |
| 8 | NEGATIVE PLATE | authKW | 288837 | 1% | 95% | 21 |
| 9 | LEAD ALLOYS | authKW | 268035 | 2% | 47% | 40 |
| 10 | VRLA BATTERIES | authKW | 230531 | 1% | 67% | 24 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Electrochemistry | 172140 | 75% | 1% | 1641 |
| 2 | Energy & Fuels | 53289 | 51% | 0% | 1107 |
| 3 | Materials Science, Multidisciplinary | 14280 | 56% | 0% | 1233 |
| 4 | Chemistry, Physical | 13484 | 52% | 0% | 1137 |
| 5 | Materials Science, Coatings & Films | 3461 | 9% | 0% | 206 |
| 6 | Metallurgy & Metallurgical Engineering | 1007 | 8% | 0% | 176 |
| 7 | Mining & Mineral Processing | 48 | 1% | 0% | 13 |
| 8 | Chemistry, Analytical | 29 | 3% | 0% | 70 |
| 9 | Materials Science, Characterization, Testing | 27 | 1% | 0% | 13 |
| 10 | Chemistry, Multidisciplinary | 24 | 6% | 0% | 121 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | STORAGE BATTERY | 86455 | 0% | 100% | 6 |
| 2 | CLEPS | 76844 | 0% | 67% | 8 |
| 3 | ELE OCHEM ENERGY SYST GRP | 57637 | 0% | 100% | 4 |
| 4 | HAMMOND EXPANDERS | 57637 | 0% | 100% | 4 |
| 5 | VEHICLE FUEL ENVIRONM | 54238 | 0% | 47% | 8 |
| 6 | CENT ELE OCHEM POWER SOURCES | 49985 | 1% | 18% | 19 |
| 7 | GRP ELE OCHEM POLYMERS | 47152 | 0% | 55% | 6 |
| 8 | EXIDE GERMAN GRP | 43228 | 0% | 100% | 3 |
| 9 | ELE OCHEM ENERGY CONVERS STORAGE SYST GRP | 39256 | 1% | 21% | 13 |
| 10 | ADV BATTERY DEV | 32419 | 0% | 75% | 3 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | JOURNAL OF POWER SOURCES | 712194 | 49% | 5% | 1076 |
| 2 | JOURNAL OF APPLIED ELECTROCHEMISTRY | 20201 | 4% | 2% | 91 |
| 3 | JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 14831 | 8% | 1% | 179 |
| 4 | ELECTROCHIMICA ACTA | 4622 | 4% | 0% | 97 |
| 5 | SURFACE TECHNOLOGY | 4137 | 1% | 2% | 13 |
| 6 | HYDROMETALLURGY | 3091 | 1% | 1% | 30 |
| 7 | JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2821 | 3% | 0% | 60 |
| 8 | DENKI KAGAKU | 2724 | 1% | 1% | 23 |
| 9 | BULLETIN OF ELECTROCHEMISTRY | 2022 | 1% | 1% | 13 |
| 10 | METALL | 1296 | 0% | 1% | 10 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | LEAD ACID BATTERY | 5458653 | 25% | 70% | 538 | Search LEAD+ACID+BATTERY | Search LEAD+ACID+BATTERY |
| 2 | VALVE REGULATED LEAD ACID BATTERIES | 1088610 | 4% | 92% | 82 | Search VALVE+REGULATED+LEAD+ACID+BATTERIES | Search VALVE+REGULATED+LEAD+ACID+BATTERIES |
| 3 | VALVE REGULATED | 406257 | 2% | 83% | 34 | Search VALVE+REGULATED | Search VALVE+REGULATED |
| 4 | LEAD ACID | 391771 | 2% | 63% | 43 | Search LEAD+ACID | Search LEAD+ACID |
| 5 | POSITIVE PLATES | 346373 | 1% | 96% | 25 | Search POSITIVE+PLATES | Search POSITIVE+PLATES |
| 6 | VRLA | 318302 | 1% | 82% | 27 | Search VRLA | Search VRLA |
| 7 | NEGATIVE PLATE | 288837 | 1% | 95% | 21 | Search NEGATIVE+PLATE | Search NEGATIVE+PLATE |
| 8 | LEAD ALLOYS | 268035 | 2% | 47% | 40 | Search LEAD+ALLOYS | Search LEAD+ALLOYS |
| 9 | VRLA BATTERIES | 230531 | 1% | 67% | 24 | Search VRLA+BATTERIES | Search VRLA+BATTERIES |
| 10 | ACID STRATIFICATION | 216138 | 1% | 100% | 15 | Search ACID+STRATIFICATION | Search ACID+STRATIFICATION |
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 |