Class information for:
Level 1: PROTON CONDUCTIVITY//PROTON EXCHANGE MEMBRANE//METHANOL PERMEABILITY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
24 5177 36.2 83%


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
87 3       JOURNAL OF MEMBRANE SCIENCE//FUEL CELL//DESALINATION 77701
1557 2             PROTON CONDUCTIVITY//PROTON EXCHANGE MEMBRANE//METHANOL PERMEABILITY 7387
24 1                   PROTON CONDUCTIVITY//PROTON EXCHANGE MEMBRANE//METHANOL PERMEABILITY 5177

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 PROTON CONDUCTIVITY authKW 2526636 15% 54% 787
2 PROTON EXCHANGE MEMBRANE authKW 2434885 13% 60% 688
3 METHANOL PERMEABILITY authKW 1189042 5% 84% 241
4 POLYMER ELECTROLYTE MEMBRANE authKW 804014 5% 54% 254
5 SULFONATED POLYIMIDE authKW 648596 3% 84% 131
6 DIRECT METHANOL FUEL CELL authKW 618299 8% 25% 413
7 NAFION authKW 546933 7% 26% 356
8 SPEEK authKW 441754 2% 78% 96
9 SULFONATED POLYETHER ETHER KETONE authKW 435313 2% 65% 114
10 FUEL CELL authKW 415959 15% 9% 792

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 Electrochemistry 54849 28% 1% 1434
2 Polymer Science 53508 38% 0% 1990
3 Energy & Fuels 17152 19% 0% 981
4 Chemistry, Physical 9568 30% 0% 1560
5 Engineering, Chemical 7457 17% 0% 871
6 Materials Science, Multidisciplinary 3549 21% 0% 1083
7 Materials Science, Coatings & Films 895 3% 0% 179
8 Nanoscience & Nanotechnology 465 4% 0% 217
9 Chemistry, Multidisciplinary 463 9% 0% 477
10 Physics, Condensed Matter 253 6% 0% 308

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 ALAN G MACDIARMID 127225 3% 16% 138
2 GRP POLYME CONDUCTEURS ION 76653 0% 100% 13
3 PROTON EXCHANGE MEMBRANE FUEL CELL KEY MAT TECH 68216 0% 64% 18
4 FUEL CELL NANOMAT 67739 1% 25% 46
5 FUEL CELLS NANOMAT 60645 0% 86% 12
6 ENGN SYNTHET IN SPECIAL CHEM FIBER 53067 0% 100% 9
7 FUEL CELL 47887 2% 7% 122
8 DIP SCI TECNOL CHIM 37656 0% 30% 21
9 CHEM PROC ENVIRONM TECHNOL 37232 1% 10% 65
10 CLEAN ENERGY 35756 2% 6% 94

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 MEMBRANE SCIENCE 167946 12% 4% 638
2 JOURNAL OF POWER SOURCES 60113 9% 2% 483
3 FUEL CELLS 54072 2% 9% 105
4 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 22174 5% 1% 274
5 SOLID STATE IONICS 14172 3% 1% 179
6 JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS 14059 1% 6% 43
7 ELECTROCHIMICA ACTA 7331 4% 1% 187
8 MACROMOLECULAR RESEARCH 7010 1% 2% 50
9 MACROMOLECULES 6916 4% 1% 217
10 POLYMER 6363 3% 1% 171

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 PROTON CONDUCTIVITY 2526636 15% 54% 787 Search PROTON+CONDUCTIVITY Search PROTON+CONDUCTIVITY
2 PROTON EXCHANGE MEMBRANE 2434885 13% 60% 688 Search PROTON+EXCHANGE+MEMBRANE Search PROTON+EXCHANGE+MEMBRANE
3 METHANOL PERMEABILITY 1189042 5% 84% 241 Search METHANOL+PERMEABILITY Search METHANOL+PERMEABILITY
4 POLYMER ELECTROLYTE MEMBRANE 804014 5% 54% 254 Search POLYMER+ELECTROLYTE+MEMBRANE Search POLYMER+ELECTROLYTE+MEMBRANE
5 SULFONATED POLYIMIDE 648596 3% 84% 131 Search SULFONATED+POLYIMIDE Search SULFONATED+POLYIMIDE
6 DIRECT METHANOL FUEL CELL 618299 8% 25% 413 Search DIRECT+METHANOL+FUEL+CELL Search DIRECT+METHANOL+FUEL+CELL
7 NAFION 546933 7% 26% 356 Search NAFION Search NAFION
8 SPEEK 441754 2% 78% 96 Search SPEEK Search SPEEK
9 SULFONATED POLYETHER ETHER KETONE 435313 2% 65% 114 Search SULFONATED+POLYETHER+ETHER+KETONE Search SULFONATED+POLYETHER+ETHER+KETONE
10 FUEL CELL 415959 15% 9% 792 Search FUEL+CELL Search FUEL+CELL

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 ZHANG, HW , SHEN, PK , (2012) RECENT DEVELOPMENT OF POLYMER ELECTROLYTE MEMBRANES FOR FUEL CELLS.CHEMICAL REVIEWS. VOL. 112. ISSUE 5. P. 2780 -2832 510 67% 451
2 BAKANGURA, E , WU, L , GE, L , YANG, ZJ , XU, TW , (2016) MIXED MATRIX PROTON EXCHANGE MEMBRANES FOR FUEL CELLS: STATE OF THE ART AND PERSPECTIVES.PROGRESS IN POLYMER SCIENCE. VOL. 57. ISSUE . P. 103 -152 339 65% 6
3 KUSOGLU, A , WEBER, AZ , (2017) NEW INSIGHTS INTO PERFLUORINATED SULFONIC-ACID LONOMERS.CHEMICAL REVIEWS. VOL. 117. ISSUE 3. P. 987 -1104 492 59% 0
4 ZHANG, HW , SHEN, PK , (2012) ADVANCES IN THE HIGH PERFORMANCE POLYMER ELECTROLYTE MEMBRANES FOR FUEL CELLS.CHEMICAL SOCIETY REVIEWS. VOL. 41. ISSUE 6. P. 2382 -2394 281 71% 129
5 KRAYTSBERG, A , EIN-ELI, Y , (2014) REVIEW OF ADVANCED MATERIALS FOR PROTON EXCHANGE MEMBRANE FUEL CELLS.ENERGY & FUELS. VOL. 28. ISSUE 12. P. 7303 -7330 266 66% 43
6 PARK, CH , LEE, CH , GUIVER, MD , LEE, YM , (2011) SULFONATED HYDROCARBON MEMBRANES FOR MEDIUM-TEMPERATURE AND LOW-HUMIDITY PROTON EXCHANGE MEMBRANE FUEL CELLS (PEMFCS).PROGRESS IN POLYMER SCIENCE. VOL. 36. ISSUE 11. P. 1443 -1498 172 80% 250
7 PEIGHAMBARDOUST, SJ , ROWSHANZAMIR, S , AMJADI, M , (2010) REVIEW OF THE PROTON EXCHANGE MEMBRANES FOR FUEL CELL APPLICATIONS.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 35. ISSUE 17. P. 9349 -9384 134 71% 492
8 MAURITZ, KA , MOORE, RB , (2004) STATE OF UNDERSTANDING OF NAFION.CHEMICAL REVIEWS. VOL. 104. ISSUE 10. P. 4535-4585 97 70% 2187
9 HOU, HY , DI VONA, ML , KNAUTH, P , (2012) BUILDING BRIDGES: CROSSLINKING OF SULFONATED AROMATIC POLYMERS-A REVIEW.JOURNAL OF MEMBRANE SCIENCE. VOL. 423. ISSUE . P. 113-127 139 91% 40
10 PECKHAM, TJ , HOLDCROFT, S , (2010) STRUCTURE-MORPHOLOGY-PROPERTY RELATIONSHIPS OF NON-PERFLUORINATED PROTON-CONDUCTING MEMBRANES.ADVANCED MATERIALS. VOL. 22. ISSUE 42. P. 4667 -4690 121 79% 231

Classes with closest relation at Level 1


Rank Class id link
1 5122 POLYBENZIMIDAZOLE//PBI//HIGH TEMPERATURE PEMFC
2 18672 PHOSPHOSILICATE GEL//MEDIUM TEMPERATURE RANGE//H 2 O 2 FUEL CELL
3 9699 ANION EXCHANGE MEMBRANE//ALKALINE ANION EXCHANGE MEMBRANE//ALKALINE FUEL CELL
4 12162 CATALYST LAYER//MEMBRANE ELECTRODE ASSEMBLY//CATALYST INK
5 33525 IONCONDUCTIVE MEMBRANE//PROTON TRANSPORT NUMBER//ALCOHOL PLASMA POLYMERIZATION
6 20260 DIFFUSION PERMEABILITY//PERFLUORINATED SULFOCATIONITE MEMBRANE//PERFLUORINATED SULFONATED CATION EXCHANGE MEMBRANE
7 8008 CARBON CORROSION//ACCELERATED STRESS TEST//PT DISSOLUTION
8 4874 DIRECT METHANOL FUEL CELL//METHANOL CROSSOVER//DMFC
9 21319 VISIBLE LIGHT PHOTOCHROMISM//PROTONIC CONDUCTIVITY//HETEROPOLY COMPLEX
10 18580 DST HYSA INFRASTRUCT COMPETENCE//HYBRID SULFUR CYCLE//AIR IMPURITY

Go to start page