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 |
| 382 | 3 | HYDROGEN STORAGE//METAL HYDRIDES//HYDROGEN STORAGE ALLOY | 33830 |
| 320 | 2 | HYDROGEN STORAGE//METAL HYDRIDES//HYDROGEN STORAGE ALLOY | 18564 |
| 811 | 1 | HYDROGEN STORAGE ALLOY//METAL HYDRIDE ELECTRODE//NI MH BATTERY | 3074 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | HYDROGEN STORAGE ALLOY | authKW | 3494857 | 18% | 61% | 561 |
| 2 | METAL HYDRIDE ELECTRODE | authKW | 1797481 | 7% | 85% | 206 |
| 3 | NI MH BATTERY | authKW | 1366940 | 7% | 66% | 203 |
| 4 | NICKEL METAL HYDRIDE BATTERY | authKW | 656618 | 4% | 52% | 124 |
| 5 | ELECTROCHEMICAL PROPERTIES | authKW | 390418 | 14% | 9% | 416 |
| 6 | HYDROGEN ABSORBING MATERIALS | authKW | 378257 | 5% | 24% | 153 |
| 7 | ELECTROCHEMICAL REACTIONS | authKW | 350464 | 4% | 29% | 119 |
| 8 | HIGH RATE DISCHARGEABILITY | authKW | 324018 | 1% | 88% | 36 |
| 9 | METAL HYDRIDES | authKW | 318241 | 7% | 14% | 218 |
| 10 | LANI5 | authKW | 280295 | 2% | 47% | 58 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Metallurgy & Metallurgical Engineering | 53990 | 44% | 0% | 1359 |
| 2 | Electrochemistry | 39260 | 31% | 0% | 942 |
| 3 | Chemistry, Physical | 22502 | 56% | 0% | 1731 |
| 4 | Materials Science, Multidisciplinary | 17319 | 53% | 0% | 1619 |
| 5 | Energy & Fuels | 9992 | 19% | 0% | 588 |
| 6 | Materials Science, Coatings & Films | 864 | 4% | 0% | 131 |
| 7 | Chemistry, Applied | 107 | 3% | 0% | 79 |
| 8 | Chemistry, Inorganic & Nuclear | 19 | 2% | 0% | 62 |
| 9 | Materials Science, Ceramics | 15 | 1% | 0% | 25 |
| 10 | Materials Science, Characterization, Testing | 11 | 0% | 0% | 12 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | ENERGY CONVERS DEVICES INC | 266522 | 1% | 100% | 26 |
| 2 | CHIM MET TER RA | 190165 | 2% | 34% | 55 |
| 3 | ISCSA | 87434 | 1% | 37% | 23 |
| 4 | GLVT | 77515 | 0% | 69% | 11 |
| 5 | EQUIPE HYDRU METALL | 75480 | 0% | 82% | 9 |
| 6 | LMMP | 62008 | 0% | 55% | 11 |
| 7 | MECAN MAT PROCEDES | 55869 | 0% | 42% | 13 |
| 8 | FRONTIER PL SCI | 55807 | 0% | 78% | 7 |
| 9 | LCMTR | 49243 | 1% | 19% | 25 |
| 10 | DEV HI TECH GREEN MAT | 43730 | 0% | 53% | 8 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | JOURNAL OF ALLOYS AND COMPOUNDS | 183485 | 28% | 2% | 871 |
| 2 | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 72977 | 13% | 2% | 392 |
| 3 | RARE METAL MATERIALS AND ENGINEERING | 25476 | 6% | 1% | 178 |
| 4 | JOURNAL OF THE LESS-COMMON METALS | 22436 | 3% | 2% | 98 |
| 5 | JOURNAL OF RARE EARTHS | 15125 | 3% | 2% | 79 |
| 6 | JOURNAL OF POWER SOURCES | 13554 | 6% | 1% | 178 |
| 7 | TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 5937 | 2% | 1% | 70 |
| 8 | JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 4778 | 4% | 0% | 122 |
| 9 | RARE METALS | 3522 | 1% | 1% | 28 |
| 10 | ELECTROCHIMICA ACTA | 3303 | 3% | 0% | 98 |
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 |