Class information for:
Level 2: HYDROGEN STORAGE MATERIALS//HYDROGEN STORAGE ALLOY//HYDROGEN STORAGE

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
381 16443 23.4 62%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)



ID, lev.
above
Publications Label for level above
482 21244 HYDROGEN STORAGE MATERIALS//HYDROGEN STORAGE ALLOY//HYDROGEN STORAGE

Classes in level below (level 1)



ID, lev. below Publications Label for level below
239 3758 HYDROGEN STORAGE ALLOY//METAL HYDRIDE ELECTRODE//HYDROGEN STORAGE ALLOYS
711 3073 MAGNESIUM HYDRIDE//HYDROGEN STORAGE//HYDRIDING COMBUSTION SYNTHESIS
1576 2506 LIBH4//NAALH4//COMPLEX HYDRIDES
8433 1184 PD RH ALLOYS//LIMITED VOLUME ELECTRODES//PD FOIL ELECTRODE
9426 1088 SWITCHABLE MIRROR//SWITCHABLE MIRRORS//RARE EARTH HYDRIDES
11609 903 MET HYDRIDES//INTERMETALLIC HYDRIDES//MET HYBRIDES
12750 820 METAL HYDRIDE//HYDROGEN COMPRESSOR//HYDRIDE CONTAINER
12751 820 TI ZR NI ALLOY//TI ZR NI CU ALLOY//TI ZR NI
13953 738 IRON HYDRIDE//SUPERABUNDANT VACANCY//ALUMINUM HYDRIDE
18547 481 TIFE//COURSE PL SCI//TIFE INTERMETALLIC COMPOUND
19260 448 TERNARY METAL HYDRIDES//HIGH PRESSURE HYDRIDE//ZINC HYDRIDES
23131 302 PALLADIUM PLATE//CONCENTRATION STRESSES//GRADIENT ALLOY
25513 231 GILL CHAIR CHEM//THIOPHENE HYDRODESULFURIZATION HDS//CANI5
33450 91 HIGHER ORDER REGULAR SOLUTION MODEL//LONG AND SHORT RANGE ATOMIC ORDER//PARAMETRIC STRUCTURES

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of publ.
in class
1 HYDROGEN STORAGE MATERIALS Author keyword 1154 82% 4% 675
2 HYDROGEN STORAGE ALLOY Author keyword 1059 84% 4% 576
3 HYDROGEN STORAGE Author keyword 1042 46% 10% 1669
4 METAL HYDRIDES Author keyword 774 72% 4% 616
5 HYDROGEN ABSORBING MATERIALS Author keyword 674 76% 3% 470
6 MAGNESIUM HYDRIDE Author keyword 611 87% 2% 296
7 METAL HYDRIDE Author keyword 507 69% 3% 430
8 METAL HYDRIDE ELECTRODE Author keyword 457 93% 1% 172
9 HYDROGEN STORAGE ALLOYS Author keyword 410 85% 1% 216
10 NAALH4 Author keyword 262 98% 0% 63

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of publ.
in class
LCSH search Wikipedia search
1 HYDROGEN STORAGE MATERIALS 1154 82% 4% 675 Search HYDROGEN+STORAGE+MATERIALS Search HYDROGEN+STORAGE+MATERIALS
2 HYDROGEN STORAGE ALLOY 1059 84% 4% 576 Search HYDROGEN+STORAGE+ALLOY Search HYDROGEN+STORAGE+ALLOY
3 HYDROGEN STORAGE 1042 46% 10% 1669 Search HYDROGEN+STORAGE Search HYDROGEN+STORAGE
4 METAL HYDRIDES 774 72% 4% 616 Search METAL+HYDRIDES Search METAL+HYDRIDES
5 HYDROGEN ABSORBING MATERIALS 674 76% 3% 470 Search HYDROGEN+ABSORBING+MATERIALS Search HYDROGEN+ABSORBING+MATERIALS
6 MAGNESIUM HYDRIDE 611 87% 2% 296 Search MAGNESIUM+HYDRIDE Search MAGNESIUM+HYDRIDE
7 METAL HYDRIDE 507 69% 3% 430 Search METAL+HYDRIDE Search METAL+HYDRIDE
8 METAL HYDRIDE ELECTRODE 457 93% 1% 172 Search METAL+HYDRIDE+ELECTRODE Search METAL+HYDRIDE+ELECTRODE
9 HYDROGEN STORAGE ALLOYS 410 85% 1% 216 Search HYDROGEN+STORAGE+ALLOYS Search HYDROGEN+STORAGE+ALLOYS
10 NAALH4 262 98% 0% 63 Search NAALH4 Search NAALH4

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 LIBH4 1202 93% 3% 462
2 METAL HYDRIDE ELECTRODES 1035 94% 2% 366
3 HYDROGEN STORAGE ALLOYS 863 88% 2% 408
4 MAGNESIUM HYDRIDE 793 86% 2% 404
5 LANI5 676 83% 2% 386
6 METAL HYDRIDES 630 68% 3% 556
7 NAALH4 606 92% 1% 234
8 HYDROGEN STORAGE PROPERTIES 573 74% 3% 426
9 REVERSIBLE HYDROGEN STORAGE 556 87% 2% 269
10 MG2NI 545 88% 2% 257

Journals



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of publ.
in class
1 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 252 12% 12% 1983
2 JOURNAL OF THE LESS-COMMON METALS 152 18% 5% 774
3 ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE NEUE FOLGE 46 21% 1% 201

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
Hydrogen-storage materials for mobile applications 2001 3670 17 53%
Metal hydride materials for solid hydrogen storage: A review 2007 1013 159 92%
Complex hydrides for hydrogen storage 2007 889 170 91%
Mechanochemical synthesis of hydrogen storage materials 2013 76 240 90%
New approaches to hydrogen storage 2009 303 42 88%
Recent Progress in Metal Borohydrides for Hydrogen Storage 2011 147 206 97%
High capacity hydrogen storage materials: attributes for automotive applications and techniques for materials discovery 2010 354 102 52%
Combination of nanosizing and interfacial effect: Future perspective for designing Mg-based nanomaterials for hydrogen storage 2015 3 122 76%
Rare earth-Mg-Ni-based hydrogen storage alloys as negative electrode materials for Ni/MH batteries 2011 96 118 97%
Chemical and Physical Solutions for Hydrogen Storage 2009 424 153 41%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 INTEGRATED EXPLOITAT BAIYUN OBO MULTIMET 106 100% 0.2% 31
2 ENERGY CONVERS DEVICES INC 85 100% 0.2% 26
3 ENVIRONM ENERGY MOBIL 45 90% 0.1% 19
4 CHIM MET TER RA 30 39% 0.4% 62
5 MOBIL ENVIRONM ENERGY 30 100% 0.1% 12
6 MERLIN GRP 27 92% 0.1% 11
7 PAVIA H2 26 87% 0.1% 13
8 ENERGY MAT TECHNOL 26 47% 0.2% 41
9 NEW ENERGY MAT CHEM 24 18% 0.7% 120
10 HYDROGEN ENERGY 22 28% 0.4% 69

Related classes at same level (level 2)



Rank Relatedness score Related classes
1 0.0000020509 AMMONIA BORANE//DIRECT BOROHYDRIDE FUEL CELL//HYDROGEN GENERATION
2 0.0000017031 HYDROGEN SENSOR//S SENCE//HYDROGEN SENSORS
3 0.0000013839 MUONIUM//MUONIUM FORMATION//LOW ENERGY MUONS
4 0.0000011413 COLD FUSION//PIEZONUCLEAR REACTIONS//DS CATHODE
5 0.0000007865 NICKEL HYDROXIDE//FERRATEVI//FERRATE
6 0.0000007445 METAL ORGANIC FRAMEWORKS//HYDROGEN STORAGE//METAL ORGANIC FRAMEWORK
7 0.0000007313 DELTA PU//URANIUM HYDRIDE//ACTINIDE ALLOYS AND COMPOUNDS
8 0.0000006925 MOLYBDENUM CARBIDE//FE16N2//IRON NITRIDE
9 0.0000005654 TRITIUM//TLK//TRITIUM ENGN
10 0.0000005599 PHENYLPROPIOLIC ACID//ORGANOHYDROBORATE//SODIUM TETRAHYDROBORATE