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 |
| 42 | 3 | ELECTROCHEMISTRY//FUEL CELL//JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 105165 |
| 886 | 2 | HYDROGEN EVOLUTION REACTION//OXYGEN EVOLUTION REACTION//WATER ELECTROLYSIS | 11596 |
| 8749 | 1 | NICKEL HYDROXIDE//NICKEL HYDROXIDE ELECTRODE//ALPHA NICKEL HYDROXIDE | 1251 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | NICKEL HYDROXIDE | authKW | 2534418 | 17% | 48% | 208 |
| 2 | NICKEL HYDROXIDE ELECTRODE | authKW | 572587 | 2% | 78% | 29 |
| 3 | ALPHA NICKEL HYDROXIDE | authKW | 483670 | 2% | 80% | 24 |
| 4 | ALPHA NIOH2 | authKW | 429872 | 2% | 74% | 23 |
| 5 | SPHERICAL NICKEL HYDROXIDE | authKW | 279044 | 1% | 92% | 12 |
| 6 | SPHERICAL NIOH2 | authKW | 201533 | 1% | 100% | 8 |
| 7 | NIOH2 | authKW | 173206 | 2% | 25% | 28 |
| 8 | PROTON DIFFUSION COEFFICIENT | authKW | 170039 | 1% | 75% | 9 |
| 9 | NICKEL ELECTRODE | authKW | 159420 | 2% | 26% | 24 |
| 10 | NICKEL METAL HYDRIDE BATTERY | authKW | 143635 | 3% | 15% | 37 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Electrochemistry | 41435 | 49% | 0% | 612 |
| 2 | Energy & Fuels | 4611 | 20% | 0% | 254 |
| 3 | Materials Science, Multidisciplinary | 3670 | 39% | 0% | 490 |
| 4 | Materials Science, Coatings & Films | 3105 | 12% | 0% | 146 |
| 5 | Chemistry, Physical | 3042 | 34% | 0% | 426 |
| 6 | Metallurgy & Metallurgical Engineering | 567 | 8% | 0% | 100 |
| 7 | Chemistry, Multidisciplinary | 117 | 9% | 0% | 117 |
| 8 | Physics, Condensed Matter | 96 | 7% | 0% | 85 |
| 9 | Nanoscience & Nanotechnology | 73 | 4% | 0% | 46 |
| 10 | Chemistry, Inorganic & Nuclear | 67 | 4% | 0% | 46 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | HENAN PROV SUR E INTER E | 75569 | 0% | 50% | 6 |
| 2 | INVEST DESARROLLO CIENCIA TECNOL MAT CITEMA | 67175 | 0% | 67% | 4 |
| 3 | ENERGY PROC ENGN IEV | 50383 | 0% | 100% | 2 |
| 4 | NEW ENERGY MAT CHEM | 44145 | 3% | 5% | 35 |
| 5 | ALCOY HIGHER ENGN | 33588 | 0% | 67% | 2 |
| 6 | ACT OXIDANTS | 25192 | 0% | 100% | 1 |
| 7 | BEIJING CORROSIONEROSION SURF TECHNOL | 25192 | 0% | 100% | 1 |
| 8 | BOOK P ERVAT SECT | 25192 | 0% | 100% | 1 |
| 9 | CC003 | 25192 | 0% | 100% | 1 |
| 10 | CHAUDHARY MAHADEV PRASAD | 25192 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | JOURNAL OF POWER SOURCES | 45805 | 17% | 1% | 207 |
| 2 | JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 14393 | 11% | 0% | 133 |
| 3 | JOURNAL OF APPLIED ELECTROCHEMISTRY | 7870 | 3% | 1% | 43 |
| 4 | JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 4065 | 2% | 1% | 26 |
| 5 | ELECTROCHIMICA ACTA | 3537 | 5% | 0% | 64 |
| 6 | ELECTROCHEMISTRY | 2089 | 1% | 1% | 14 |
| 7 | JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS | 1989 | 1% | 1% | 8 |
| 8 | RARE METAL MATERIALS AND ENGINEERING | 1988 | 3% | 0% | 32 |
| 9 | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 1628 | 3% | 0% | 38 |
| 10 | IONICS | 1294 | 1% | 0% | 12 |
Author Key Words |
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 |