Class information for:
Level 2: HYDROGEN STORAGE ALLOY//METAL HYDRIDES//HYDROGEN STORAGE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
473 15888 22.2 59%


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
2 4 MATERIALS SCIENCE, MULTIDISCIPLINARY//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER 2836879
514 3       HYDROGEN STORAGE//METAL HYDRIDES//HYDROGEN STORAGE MATERIALS 21382
473 2             HYDROGEN STORAGE ALLOY//METAL HYDRIDES//HYDROGEN STORAGE 15888
600 1                   MAGNESIUM HYDRIDE//HYDROGEN STORAGE//HYDROGEN STORAGE MATERIALS 3264
1747 1                   HYDROGEN STORAGE ALLOY//METAL HYDRIDE ELECTRODE//NI MH BATTERY 2506
1828 1                   METAL HYDRIDES//LANI5//JOURNAL OF THE LESS-COMMON METALS 2470
7578 1                   LATTICE LOCATION OF HYDROGEN//CHANNELLING METHOD//DISPLACED T SITE 1352
9125 1                   PD RH ALLOYS//LIMITED VOLUME ELECTRODES//HYDROGEN ABSORPTION 1185
9674 1                   SWITCHABLE MIRROR//RARE EARTH HYDRIDES//YTTRIUM HYDRIDE 1132
11726 1                   MET HYDRIDES//CARBOHYDRIDE//MET HYBRIDES 958
15445 1                   HYDROGEN AS A PROBE//PHASE MECHANISM//HYDROGEN INTERNAL FRICTION PEAK 712
17695 1                   NANOCRYSTALLINE PD//IONENSTRAHLPHYS MATERIALFOR UNG//MO V SUPERLATTICES 586
19627 1                   BCC ALLOYS//TI CR V ALLOY//CENT RADIOISOTOPE SCI 497
19741 1                   PEROVSKITE TYPE HYDRIDE//TERNARY METAL HYDRIDES//COMPLEX TRANSITION METAL HYDRIDE 491
26685 1                   TI ZR NI ALLOY//TI ZR NI//TI ZR NI CU ALLOY 248
26701 1                   HYDROGEN DEUTERIUM TUNNELLING//PHYS E 15//RHODIUM HYDRIDE 248
27024 1                   PALLADIUM PLATE//PALLADIUM BASED ALLOYS//CONCENTRATION STRESSES 239

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 HYDROGEN STORAGE ALLOY authKW 1434270 5% 91% 825
2 METAL HYDRIDES authKW 1302688 6% 68% 1002
3 HYDROGEN STORAGE authKW 835618 8% 34% 1287
4 HYDROGEN STORAGE MATERIALS authKW 614342 4% 56% 569
5 HYDROGEN ABSORBING MATERIALS authKW 560726 3% 68% 427
6 MAGNESIUM HYDRIDE authKW 455886 2% 81% 292
7 METAL HYDRIDE ELECTRODE authKW 428775 1% 96% 232
8 JOURNAL OF ALLOYS AND COMPOUNDS journal 361362 17% 7% 2756
9 JOURNAL OF THE LESS-COMMON METALS journal 315278 5% 19% 847
10 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY journal 309558 11% 9% 1782

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Metallurgy & Metallurgical Engineering 133408 31% 2% 4908
2 Chemistry, Physical 72475 45% 1% 7180
3 Electrochemistry 67253 18% 1% 2822
4 Materials Science, Multidisciplinary 43374 38% 0% 5981
5 Energy & Fuels 28549 14% 1% 2258
6 Physics, Condensed Matter 10406 15% 0% 2415
7 Physics, Multidisciplinary 833 5% 0% 813
8 Materials Science, Coatings & Films 712 2% 0% 319
9 Physics, Applied 546 7% 0% 1122
10 Nanoscience & Nanotechnology 431 3% 0% 443

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 INTEGRATED EXPLOITAT BAIYUN OBO MULTIMET 86397 0% 100% 45
2 NEW ENERGY MAT CHEM 50421 1% 20% 135
3 ENERGY CONVERS DEVICES INC 49919 0% 100% 26
4 CHIM MET TER RA 43753 0% 37% 61
5 RECH HYDROGENE 29593 0% 34% 46
6 ENERGY MAT TECHNOL 25385 0% 35% 38
7 NONCONVENT ENERGY OURCES 22708 0% 41% 29
8 KIMS 22644 0% 54% 22
9 CENT RADIOISOTOPE SCI 21119 0% 100% 11
10 ELECTED STATE 20721 0% 60% 18

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 JOURNAL OF ALLOYS AND COMPOUNDS 361362 17% 7% 2756
2 JOURNAL OF THE LESS-COMMON METALS 315278 5% 19% 847
3 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 309558 11% 9% 1782
4 ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE NEUE FOLGE 117470 2% 25% 245
5 RARE METAL MATERIALS AND ENGINEERING 18247 2% 3% 347
6 ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS 15430 1% 6% 146
7 JOURNAL OF PHYSICS F-METAL PHYSICS 14692 1% 6% 125
8 HYPERFINE INTERACTIONS 13626 1% 3% 238
9 FIZIKA METALLOV I METALLOVEDENIE 7121 1% 3% 147
10 JOURNAL OF POWER SOURCES 6559 2% 1% 289

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class		 LCSH search Wikipedia search
1 HYDROGEN STORAGE ALLOY 1434270 5% 91% 825 Search HYDROGEN+STORAGE+ALLOY Search HYDROGEN+STORAGE+ALLOY
2 METAL HYDRIDES 1302688 6% 68% 1002 Search METAL+HYDRIDES Search METAL+HYDRIDES
3 HYDROGEN STORAGE 835618 8% 34% 1287 Search HYDROGEN+STORAGE Search HYDROGEN+STORAGE
4 HYDROGEN STORAGE MATERIALS 614342 4% 56% 569 Search HYDROGEN+STORAGE+MATERIALS Search HYDROGEN+STORAGE+MATERIALS
5 HYDROGEN ABSORBING MATERIALS 560726 3% 68% 427 Search HYDROGEN+ABSORBING+MATERIALS Search HYDROGEN+ABSORBING+MATERIALS
6 MAGNESIUM HYDRIDE 455886 2% 81% 292 Search MAGNESIUM+HYDRIDE Search MAGNESIUM+HYDRIDE
7 METAL HYDRIDE ELECTRODE 428775 1% 96% 232 Search METAL+HYDRIDE+ELECTRODE Search METAL+HYDRIDE+ELECTRODE
8 NI MH BATTERY 306823 1% 73% 219 Search NI+MH+BATTERY Search NI+MH+BATTERY
9 NICKEL METAL HYDRIDE BATTERY 194482 1% 66% 154 Search NICKEL+METAL+HYDRIDE+BATTERY Search NICKEL+METAL+HYDRIDE+BATTERY
10 LANI5 183534 1% 89% 108 Search LANI5 Search LANI5

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 TLIHA, M , KHALDI, C , BOUSSAMI, S , FENINECHE, N , EL-KEDIM, O , MATHLOUTHI, H , LAMLOUMI, J , (2014) KINETIC AND THERMODYNAMIC STUDIES OF HYDROGEN STORAGE ALLOYS AS NEGATIVE ELECTRODE MATERIALS FOR NI/MH BATTERIES: A REVIEW.JOURNAL OF SOLID STATE ELECTROCHEMISTRY. VOL. 18. ISSUE 3. P. 577 -593 204 96% 19
2 YOUNG, KH , NEI, J , (2013) THE CURRENT STATUS OF HYDROGEN STORAGE ALLOY DEVELOPMENT FOR ELECTROCHEMICAL APPLICATIONS.MATERIALS. VOL. 6. ISSUE 10. P. 4574-4608 177 97% 35
3 GRAY, EM , LIU, W , WEBB, CJ , (2016) REVIEW OF HYDROGEN STORAGE IN AB(3) ALLOYS TARGETING STATIONARY FUEL CELL APPLICATIONS.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 41. ISSUE 5. P. 3485 -3507 143 95% 5
4 LIU, YF , PAN, HG , GAO, MX , WANG, QD , (2011) ADVANCED HYDROGEN STORAGE ALLOYS FOR NI/MH RECHARGEABLE BATTERIES.JOURNAL OF MATERIALS CHEMISTRY. VOL. 21. ISSUE 13. P. 4743 -4755 150 95% 135
5 SAKINTUNA, B , LAMARI-DARKRIM, F , HIRSCHER, M , (2007) METAL HYDRIDE MATERIALS FOR SOLID HYDROGEN STORAGE: A REVIEW.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 32. ISSUE 9. P. 1121-1140 111 70% 1252
6 LOTOTSKYY, MV , YARTYS, VA , POLLET, BG , BOWMAN, RC , (2014) METAL HYDRIDE HYDROGEN COMPRESSORS: A REVIEW.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 39. ISSUE 11. P. 5818 -5851 126 90% 44
7 LIU, YF , CAO, YH , HUANG, L , GAO, MX , PAN, HG , (2011) RARE EARTH-MG-NI-BASED HYDROGEN STORAGE ALLOYS AS NEGATIVE ELECTRODE MATERIALS FOR NI/MH BATTERIES.JOURNAL OF ALLOYS AND COMPOUNDS. VOL. 509. ISSUE 3. P. 675 -686 114 97% 124
8 JAIN, IP , LAL, C , JAIN, A , (2010) HYDROGEN STORAGE IN MG: A MOST PROMISING MATERIAL.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 35. ISSUE 10. P. 5133 -5144 98 91% 334
9 KLEPERIS, J , WOJCIK, G , CZERWINSKI, A , SKOWRONSKI, J , KOPCZYK, M , BELTOWSKA-BRZEZINSKA, M , (2001) ELECTROCHEMICAL BEHAVIOR OF METAL HYDRIDES.JOURNAL OF SOLID STATE ELECTROCHEMISTRY. VOL. 5. ISSUE 4. P. 229 -249 156 92% 194
10 CRIVELLO, JC , DAM, B , DENYS, RV , DORNHEIM, M , GRANT, DM , HUOT, J , JENSEN, TR , DE JONGH, P , LATROCHE, M , MILANESE, C , ET AL (2016) REVIEW OF MAGNESIUM HYDRIDE-BASED MATERIALS: DEVELOPMENT AND OPTIMISATION.APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING. VOL. 122. ISSUE 2. P. - 92 90% 7

Classes with closest relation at Level 2


Rank Class id link
1 2004 AMMONIA BORANE//HYDROGEN GENERATION//HYDROGEN STORAGE
2 2534 TRITIUM//FUSION SCIENCE AND TECHNOLOGY//FUSION TECHNOLOGY
3 3018 HYDROGEN SENSOR//MICROHOTPLATE//S SENCE
4 3385 INTERNAL FRICTION//MECHANICAL SPECTROSCOPY//SNOEK RELAXATION
5 1792 HYDROGEN EMBRITTLEMENT//HOT DUCTILITY//DELAYED FRACTURE
6 1651 BORON NITRIDE NANOTUBES//HYDROGEN STORAGE//BORON NITRIDE
7 2536 DIFFUS SOLIDS GRP//KIRKENDALL EFFECT//DICTRA
8 2609 MUONIUM//HYPERFINE INTERACTIONS//MUON CATALYZED FUSION
9 4122 ABSORPTION GEOMETRY//FE C CR STEELS//HIGHER ORDER REGULAR SOLUTION MODEL
10 949 MAGNETOCALORIC EFFECT//MAGNETIC REFRIGERATION//MAGNETIC ENTROPY CHANGE

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