1 - 9 |
Zinc oxide-based dye-sensitized solar cells with a ruthenium dye containing an alkyl bithiophene group Lee CP, Chou CY, Chen CY, Yeh MH, Lin LY, Vittal R, Wu CG, Ho KC |
10 - 18 |
Periodic density functional theory study on the interaction mode and mechanism of typical additives with TiO2 substrates for dye-sensitized solar cell applications Wang XL, Wu M, Ding J, Li ZS, Sun KN |
19 - 23 |
Spinel LiMn2O4 nanohybrid as high capacitance positive electrode material for supercapacitors Wang FX, Xiao SY, Zhu YS, Chang Z, Hu CL, Wu YP, Holze R |
24 - 31 |
Controllable preparation of multishelled NiO hollow nanospheres via layer-by-layer self-assembly for supercapacitor application Yang ZH, Xu FF, Zhang WX, Mei ZS, Pei B, Zhu X |
32 - 38 |
Lattice contracted Pd-hollow nanocrystals: Synthesis, structure and electrocatalysis for formic acid oxidation Ren MJ, Chen J, Li Y, Zhang HF, Zou ZQ, Li XM, Yang H |
39 - 48 |
Thermally stable polybenzimidazole/carbon nano-tube composites for alkaline direct methanol fuel cell applications Wu JF, Lo CF, Li LY, Li HY, Chang CM, Liao KS, Hu CC, Liu YL, Lue SJ |
49 - 54 |
Interfacial reaction phenomenon between La0.25Sr0.75TiO3 and ScSZ Chen G, Kishimoto H, Yamaji K, Kuramoto K, Horita T |
55 - 62 |
The use of poly(vinyl phosphonic acid) microgels for the preparation of inherently magnetic Co metal catalyst particles in hydrogen production Sahiner N, Sagbas L |
63 - 67 |
A novel dual catalyst layer structured gas diffusion electrode for enhanced performance of high temperature proton exchange membrane fuel cell Su H, Jao TC, Pasupathi S, Bladergroen BJ, Linkov V, Pollet BG |
68 - 73 |
Synthesis of MnO2-chitosan nanocomposite by one-step electrodeposition for electrochemical energy storage application Hassan S, Suzuki M, Abd El-Moneim A |
74 - 83 |
A new alkali-resistant Ni/Al2O3-MSU-1 core-shell catalyst for methane steam reforming in a direct internal reforming molten carbonate fuel cell Zhang J, Zhang XF, Liu WF, Liu HO, Qiu JS, Yeung KL |
84 - 89 |
Modeling dendrite growth during lithium electrodeposition at sub-ambient temperature Akolkar R |
90 - 94 |
Analysis of the behavior and degradation in proton exchange membrane fuel cells with a dead-ended anode Yu JL, Jiang ZW, Hou M, Liang D, Xiao Y, Dou ML, Shao ZG, Yi BL |
95 - 102 |
Enhanced electrochemical properties of TiO2(B) nanoribbons using the styrene butadiene rubber and sodium carboxyl methyl cellulose water binder Yan X, Zhang YQ, Zhu K, Gao Y, Zhang D, Chen G, Wang CZ, Wei YJ |
103 - 109 |
Capacitive contribution to Li-storage in TiO2 (B) and TiO2 (anatase) Laskova B, Zukalova M, Zukal A, Bousa M, Kavan L |
110 - 116 |
Detecting proton exchange membrane fuel cell hydrogen leak using electrochemical impedance spectroscopy method Mousa G, Golnaraghi F, DeVaal J, Young A |
117 - 123 |
Influence of catalyst layer thickness on the growth of nickel silicide nanowires and its application for Li-ion batteries Lund IN, Lee JH, Efstathiadis H, Haldar P, Geer RE |
124 - 131 |
Three-dimensional-network Li3V2(PO4)(3)/C composite as high rate lithium ion battery cathode material and its compatibility with ionic liquid electrolytes Xu JT, Chou SL, Zhou CF, Gu QF, Liu HK, Dou SX |
132 - 140 |
Effects of adding ethanol to KOH electrolyte on electrochemical performance of titanium carbide-derived carbon Xu J, Zhang RJ, Chen P, Ge SH |
141 - 148 |
Changes in the mechanical properties of support materials for segmented-in-series type solid oxide fuel cells as a function of time Somekawa T, Matsuzaki Y |
149 - 159 |
Modeling the delamination of amorphous-silicon thin film anode for lithium-ion battery Pal S, Damle SS, Patel SH, Datta MK, Kumta PN, Maiti S |
160 - 166 |
Thermal conductivity and temperature profiles in carbon electrodes for supercapacitors Burheim OS, Aslan M, Atchison JS, Presser V |
167 - 177 |
Si/C hybrid nanostructures for Li-ion anodes: An overview Terranova ML, Orlanducci S, Tamburri E, Guglielmotti V, Rossi M |
178 - 183 |
Electrocatalytic oxidation of formic acid on nano/micro fibers of poly(p-anisdine) modified platinum electrode Tammam RH, Saleh MM |
184 - 191 |
Perfluoroalkyl-substituted ethylene carbonates: Novel electrolyte additives for high-voltage lithium-ion batteries Zhu Y, Casselman MD, Li Y, Wei A, Abraham DP |
192 - 197 |
Solid-state synthesis of uniform Li2MnSiO4/C/graphene composites and their performance in lithium-ion batteries Gong HX, Zhu YC, Wang LL, Wei DH, Liang JW, Qian YT |
198 - 203 |
Three-dimensionally porous Fe3O4 as high-performance anode materials for lithium-ion batteries Wu H, Du N, Wang JZ, Zhang H, Yang DR |
204 - 212 |
Characteristics of liquid stannum anode fuel cell operated in battery mode and CO/H-2/carbon fuel mode Wang HJ, Shi YX, Cai NS |
213 - 218 |
Microemulsion-assisted synthesis of ultrafine Li4Ti5O12/C nanocomposite with oleic acid as carbon precursor and particle size controller Wang Y, Rong HB, Li BZ, Xing LD, Li XP, Li WS |
219 - 224 |
Nanomechanical characterization and mechanical integrity of unaged and aged Li-ion battery cathodes Ramdon S, Bhushan B |
225 - 231 |
A reversible water electrolyser with porous PTFE based OH- conductive membrane as energy storage cells Wu X, Scott K, Xie F, Alford N |
232 - 238 |
A novel synthesis and characterization of LiFePO4 and LiFePO4/C as a cathode material for lithium-ion battery Miao C, Bai PF, Jiang QQ, Sun SQ, Wang XY |
239 - 252 |
Modeling of the anode of a liquid-feed DMFC: Inhomogeneous compression effects and two-phase transport phenomena Garcia-Salaberri PA, Vera M, Iglesias I |
253 - 259 |
Nafion coated sulfur-carbon electrode for high performance lithium-sulfur batteries Tang QW, Shan ZQ, Wang L, Qin X, Zhu KL, Tian JH, Liu XS |
260 - 268 |
Poly(ethylene glycol) grafted multi-walled carbon nanotubes/LiFePO4 composite cathodes for lithium ion batteries Gong CL, Xue ZG, Wang XE, Zhou XP, Xie XL, Mai YW |
269 - 276 |
Pseudocapacitive behavior of manganese oxide in lithium-ion-doped butylmethylpyrrolidinium-dicyanamide ionic liquid investigated using in situ X-ray absorption spectroscopy Lee MT, Li YS, Sun IW, Chang JK |
277 - 282 |
Synthesis and hydrogen storage properties of Mg-10.6La-3.5Ni nanoparticles Liu T, Cao YR, Qin CG, Chou WS, Li XG |
283 - 289 |
Solid-state flexible polyaniline/silver cellulose nanofibrils aerogel supercapacitors Zhang XD, Lin ZY, Chen B, Zhang W, Sharma S, Gu WT, Deng YL |
290 - 298 |
Synchrotron X-ray radioscopic in situ study of high-temperature polymer electrolyte fuel cells - Effect of operation conditions on structure of membrane Arlt T, Maier W, Totzke C, Wannek C, Markotter H, Wieder F, Banhart J, Lehnert W, Manke I |
299 - 304 |
A non-conventional fluorinated separator in high-voltage graphite/LiNi0.4Mn1.6O4 cells Arbizzani C, Colo F, De Giorgio F, Guidotti M, Mastragostino M, Alloin F, Bolloli M, Molmeret Y, Sanchez JY |
305 - 312 |
Controllable synthesis of MoO3-deposited TiO2 nanotubes with enhanced lithium-ion intercalation performance Guan DS, Li JY, Gao XF, Yuan C |
313 - 321 |
A novel alcohol-thermal synthesis method of calcium zincates negative electrode materials for Ni-Zn secondary batteries Wang RJ, Yang ZH, Yang B, Fan XM, Wang TT |
322 - 334 |
A rapid analytical assessment tool for three dimensional electrode microstructural networks with geometric sensitivity Nelson GJ, Nakajo A, Cassenti BN, DeGostin MB, Bagshaw KR, Peracchio AA, Xiao GL, Wang S, Chen FL, Chiu WKS |
335 - 345 |
Effects of graphene and carbon coating modifications on electrochemical performance of silicon nanoparticle/graphene composite anode de Guzman RC, Yang JH, Cheng MMC, Salley SO, Ng KYS |
346 - 355 |
Perovskite chromates cathode with resolved and anchored nickel nano-particles for direct high-temperature steam electrolysis Xu SS, Dong DH, Wang Y, Doherty W, Xie K, Wu YC |
356 - 360 |
Oleylamine-functionalized palladium nanoparticles with enhanced electrocatalytic activity for the oxygen reduction reaction Shi Y, Yin SK, Ma YR, Lu DK, Chen Y, Tang YW, Lu TH |
361 - 364 |
Solid state dye solar cell modules Matteocci F, Casaluci S, Razza S, Guidobaldi A, Brown TM, Reale A, Di Carlo A |
365 - 370 |
Structure and electrochemical properties of LiNi0.5Mn1.5O4 epitaxial thin film electrodes Konishi H, Suzuki K, Taminato S, Kim K, Kim S, Lim J, Hirayama M, Kanno R |
371 - 376 |
Asymmetric supercapacitors based on beta-Ni(OH)(2) nanosheets and activated carbon with high energy density Huang JC, Xu PP, Cao DX, Zhou XB, Yang SN, Li YJ, Wang GL |
377 - 386 |
Effect of battery state of charge on fuel use and pollutant emissions of a full hybrid electric light duty vehicle Duarte GO, Varella RA, Goncalves GA, Farias TL |
387 - 391 |
A safe and high-rate negative electrode for sodium-ion batteries: Hard carbon in NaFSA-C(1)C(3)pyrFSA ionic liquid at 363 K Fukunaga A, Nohira T, Hagiwara R, Numata K, Itani E, Sakai S, Nitta K, Inazawa S |
392 - 401 |
Assessment of the ethanol oxidation activity and durability of Pt catalysts with or without a carbon support using Electrochemical Impedance Spectroscopy Saleh FS, Easton EB |
402 - 408 |
A three-dimensional ordered mesoporous carbon/carbon nanotubes nanocomposites for supercapacitors Zhu ZJ, Hu YJ, Jiang H, Li CZ |
409 - 416 |
Nanostructuring of SmBa0.5Sr0.5Co2O5+delta cathodes for reduced-temperature solid oxide fuel cells Han D, Wu H, Li JL, Wang SR, Zhan ZL |
417 - 422 |
Oxalic acid-assisted combustion synthesized LiVO3 cathode material for lithium ion batteries Jian XM, Wenren HQ, Huang S, Shi SJ, Wang XL, Gu CD, Tu JP |
423 - 429 |
Long-term room-temperature hydrazine/air fuel cells based on low-cost nanotextured Cu-Ni catalysts Filanovsky B, Granot E, Presman I, Kuras I, Patolsky F |
430 - 437 |
Method for in situ carbon deposition measurement for solid oxide fuel cells Kuhn J, Kesler O |
438 - 442 |
Ruthenium based electrocatalysts for hydrogen oxidation, prepared by a microwave assisted method Borja-Arco E, Jimenez-Sandoval O, Magallon-Cacho L, Sebastian PJ |
443 - 448 |
Characterizations of chemical bath-deposited zinc oxysulfide films and the effects of their annealing on copper-indium-gallium-selenide solar cell efficiency Hsieh TM, Lue SJ, Ao JP, Sun Y, Feng WS, Chang LB |
449 - 456 |
One-pot synthesis of hierarchical MnO2-modified diatomites for electrochemical capacitor electrodes Zhang YX, Huang M, Li F, Wang XL, Wen ZQ |
457 - 463 |
Sc-substituted La0.6Sr0.4FeO3-delta mixed conducting oxides as promising electrodes for symmetrical solid oxide fuel cells Liu XJ, Han D, Zhou YC, Meng X, Wu H, Li JL, Zeng FR, Zhan ZL |
464 - 472 |
In-situ neutron diffraction study of the simultaneous structural evolution of a LiNi0.5Mn1.5O4 cathode and a Li4Ti5O12 anode in a LiNi0.5Mn1.5O4 parallel to Li4Ti5O12 full cell Pang WK, Sharma N, Peterson VK, Shiu JJ, Wu SH |
473 - 481 |
Partial oxidation of methane in an adiabatic-type catalytic reactor Al-Musa A, Shabunya S, Martynenko V, Al-Mayman S, Kalinin V, Al-Juhani M, Al-Enazy K |
482 - 490 |
Improving proton conductivity of sulfonated poly (ether ether ketone) proton exchange membranes at low humidity by semi-interpenetrating polymer networks preparation Wu XM, He G, Li XC, Nie F, Yan XM, Yu L, Benziger J |
491 - 498 |
Influence of doping anions on structure and properties of electro-polymerized polypyrrole counter electrodes for use in dye-sensitized solar cells Zhang XH, Wang SS, Lu S, Su J, He T |
499 - 504 |
Structure and electrochemical properties of composite polymer electrolyte based on poly vinylidene fluoride-hexafluoropropylene/titania-poly(methyl methacrylate) for lithium-ion batteries Cao J, Wang L, Fang M, He XM, Li JJ, Gao J, Deng LF, Wang JL, Chen H |
505 - 511 |
Sub-micrometric Li4-xNaxTi5O12 (0 <= x <= 0.2) spinel as anode material exhibiting high rate capability Yi TF, Yang SY, Li XY, Yao JH, Zhu YR, Zhu RS |
512 - 521 |
High-resolution chemical analysis on cycled LiFePO4 battery electrodes using energy-filtered transmission electron microscopy Sugar JD, El Gabaly F, Chueh WC, Fenton KR, Tyliszczak T, Kotula PG, Bartelt NC |
522 - 530 |
Fabrication of phosphotungstic acid functionalized mesoporous silica composite membrane by alternative tape-casting incorporating phase inversion technique Bai L, Zhang L, He HQ, Rasheed RKSA, Zhang CZ, Ding OL, Chan SH |
531 - 539 |
Tetraphenylborate-derived hierarchically porous carbons as efficient electrode materials for supercapacitors Chen XY, Xie DH, Zhang ZJ, Chen C |
540 - 547 |
High-performance supercapacitors based on freestanding carbon-based composite paper electrodes Yun YS, Lee ME, Joo MJ, Jin HJ |
548 - 555 |
Molybdenum carbide catalysed hydrogen production from formic acid - A density functional theory study Luo QQ, Wang T, Walther G, Beller M, Jiao HJ |
556 - 561 |
Improved performance of ceria-based solid oxide fuel cell using doped LaGaO3 films deposited by pulsed laser deposition Qian J, Zhu ZW, Jiang GS, Liu W |
562 - 568 |
Flexible supercapacitor fabrication by room temperature rapid laser processing of roll-to-roll printed metal nanoparticle ink for wearable electronics application Yeo J, Kim G, Hong S, Kim MS, Kim D, Lee J, Lee HB, Kwon J, Suh YD, Kang HW, Sung HJ, Choi JH, Hong WH, Ko JM, Lee SH, Choa SH, Ko SH |
569 - 573 |
Effective enhancement of electrochemical performance for low-cost cathode material Li1.231Mn0.615Ni0.154O2 via a novel facile hydrothermal modification Liao SX, Zhong YJ, Zhong BH, Liu H, Guo XD |
574 - 580 |
Fracture and creep of glass-ceramic solid oxide fuel cell sealant materials Malzbender J, Zhao Y, Beck T |
581 - 586 |
Artificial neural network model of a short stack solid oxide fuel cell based on experimental data Razbani O, Assadi M |
587 - 595 |
Carbon nanowires@ultrathin SnO2 nanosheets@carbon composite and its lithium storage properties Tian QH, Zhang ZX, Chen JZ, Yang L, Hirano S |
596 - 608 |
Review of characterization methods for supercapacitor modelling Devillers N, Jemei S, Pera MC, Bienaime D, Gustin F |
609 - 620 |
Generic dynamic model of rechargeable batteries Milocco RH, Thomas JE, Castro BE |
621 - 628 |
Polypyrrole/hexadecylpyridinium chloride-modified graphite oxide composites: Fabrication, characterization, and application in supercapacitors Feng HX, Wang B, Tan L, Chen NL, Wang NX, Chen BY |
629 - 641 |
An online framework for state of charge determination of battery systems using combined system identification approach Khan MR, Mulder G, Van Mierlo J |
642 - 649 |
Microbial fuel cell as a biocapacitor by using pseudo-capacitive anode materials Lv ZS, Xie DH, Li FS, Hu Y, Wei CH, Feng CH |
650 - 658 |
Free air breathing proton exchange membrane fuel cell: Thermal behavior characterization near freezing temperature Cano MH, Kelouwani S, Agbossou K, Dube Y |
659 - 666 |
Pulse electrodeposition to prepare core-shell structured AuPt@Pd/C catalyst for formic acid fuel cell application Lu XY, Luo F, Song HY, Liao SJ, Li HL |
667 - 678 |
A novel approach for state of charge estimation based on adaptive switching gain sliding mode observer in electric vehicles Chen XP, Shen WX, Cao ZW, Kapoor A |
679 - 695 |
Numerical simulations of water droplet dynamics in hydrogen fuel cell gas channel Kim HY, Jeon S, Song M, Kim K |
696 - 702 |
Monodispersed LiFePO4@C core-shell nanostructures for a high power Li-ion battery cathode Xu G, Li F, Tao ZH, Wei X, Liu Y, Li X, Ren ZH, Shen G, Han GR |
703 - 718 |
A numerical model for a soluble lead-acid flow battery comprising a three-dimensional honeycomb-shaped positive electrode Oury A, Kirchev A, Bultel Y |
719 - 728 |
Evaluation of performance and operation viability of non-uniform potential solid oxide fuel cell fueled by reformed methane Piroonlerkgul P, Kiatkittipong W, Wongsakulphasatch S, Aiouache F, Assabumrungrat S |
729 - 735 |
Si7Ti4Ni4 as a buffer material for Si and its electrochemical study for lithium ion batteries Lee KJ, Yu SH, Kim JJ, Lee DH, Park J, Suh SS, Cho JS, Sung YE |
736 - 746 |
Modeling and energy management control design for a fuel cell hybrid passenger bus Simmons K, Guezennec Y, Onori S |
747 - 753 |
Two steps in situ structure fabrication of Ni-Al layered double hydroxide on Ni foam and its electrochemical performance for supercapacitors Wang B, Liu Q, Qian ZY, Zhang XF, Wang J, Li ZS, Yan HJ, Gao Z, Zhao FB, Liu LH |
754 - 761 |
Ultrathin MnO2 nanosheets supported on cellulose based carbon papers for high-power supercapacitors He SJ, Hu CX, Hou HQ, Chen W |
762 - 766 |
Positron annihilation lifetime study of Nafion/titanium dioxide nano-composite membranes Lei M, Wang YJ, Liang C, Huang K, Ye CX, Wang WJ, Jin SF, Zhang R, Fan DY, Yang HJ, Wang YG |
767 - 774 |
Reducing capacity fade in vanadium redox flow batteries by altering charging and discharging currents Agar E, Benjamin A, Dennison CR, Chen D, Hickner MA, Kumbur EC |
775 - 782 |
Electrochemical behaviour and surface conductivity of niobium carbide-modified austenitic stainless steel bipolar plate Wang LX, Sun JC, Kang B, Li S, Ji SJ, Wen ZS, Wang XC |
783 - 787 |
Pyrophosphate Na2FeP2O7 as a low-cost and high-performance positive electrode material for sodium secondary batteries utilizing an inorganic ionic liquid Chen CY, Matsumoto K, Nohira T, Hagiwara R, Orikasa Y, Uchimoto Y |
788 - 799 |
Effect of manufacturing process sequence on the corrosion resistance characteristics of coated metallic bipolar plates Dur E, Cora ON, Koc M |
800 - 807 |
Enhanced capacitance and stability of p-toluenesulfonate doped polypyrrole/carbon composite for electrode application in electrochemical capacitors Kumar A, Singh RK, Singh HK, Srivastava P, Singh R |
808 - 818 |
Thermal and energy battery management optimization in electric vehicles using Pontryagin's maximum principle Bauer S, Suchaneck A, Leon FP |
819 - 830 |
Quantification of double-layer Ni/YSZ fuel cell anodes from focused ion beam tomography data Joos J, Ender M, Rotscholl I, Menzler NH, Ivers-Tiffee E |
831 - 839 |
Effects of the acceptors in triphenylamine-based D-A'-pi-A dyes on photophysical, electrochemical, and photovoltaic properties Wang L, Shen P, Cao ZC, Liu XP, Huang YS, Liu CY, Chen P, Zhao B, Tan ST |
840 - 845 |
Characterization of the solid electrolyte interphase on lithium anode for preventing the shuttle mechanism in lithium-sulfur batteries Xiong SZ, Xie K, Diao Y, Hong XB |
846 - 857 |
Thermal and electrochemical properties of PEO-LiTFSI-Pyr(14) TFSI-based composite cathodes, incorporating 4 V-class cathode active materials Wetjen M, Kim GT, Joost M, Appetecchi GB, Winter M, Passerini S |
858 - 861 |
The investigation of resin degradation in catalyst layer of proton exchange membrane fuel cell Xiao SH, Zhang HM |
862 - 867 |
In situ synthesis of SnO2-Fe2O3@polyaniline and their conversion to SnO2-Fe2O3@C composite as fully reversible anode material for lithium-ion batteries Guo JX, Chen L, Wang GJ, Zhang X, Li FF |
868 - 875 |
Synthesis of yolk/shell Fe3O4-polydopamine-graphene-Pt nanocomposite with high electrocatalytic activity for fuel cells Huang YQ, Liu YJ, Yang ZH, Jia JL, Li X, Luo Y, Fang YP |
876 - 886 |
A new open computational framework for highly-resolved coupled three-dimensional multiphysics simulations of Li-ion cells Allu S, Kalnaus S, Elwasif W, Simunovic S, Turner JA, Pannala S |
887 - 898 |
First-principles thermal modeling of electric double layer capacitors under constant-current cycling d'Entremont A, Pilon L |
899 - 905 |
Separate measurement of current density under land and channel in Direct Methanol Fuel Cells Almheiri S, Liu HT |
906 - 911 |
Characterization of SrFe0.75Mo0.25O3-delta-La0.9Sr0.1Ga0.8Mg0.2O3-delta composite cathodes prepared by infiltration Meng X, Han D, Wu H, Li JL, Zhan ZL |
912 - 917 |
Preparation and electrochemical properties of high-capacity LiFePO4-Li3V2(PO4)(3)/C composite for lithium-ion batteries Guo Y, Huang YD, Jia DZ, Wang XC, Sharma N, Guo ZP, Tang XC |
918 - 925 |
Correlation between electrical and mechanical properties in La1-xSrxGa1-yMgyO3-delta ceramics used as electrolytes for solid oxide fuel cells Morales M, Roa JJ, Perez-Falcon JM, Moure A, Tartaj J, Espiell E, Segarra M |
926 - 933 |
Electrolyte and composition effects on the performances of asymmetric supercapacitors constructed with Mn3O4 nanoparticles-graphene nanocomposites Xiao YH, Cao YB, Gong YY, Zhang AQ, Zhao JH, Fang SM, Jia DZ, Li F |
934 - 949 |
Battery equalization active methods Gallardo-Lozano J, Romero-Cadaval E, Milanes-Montero MI, Guerrero-Martinez MA |
950 - 959 |
Nafion (R)/ODF-silica composite membranes for medium temperature proton exchange membrane fuel cells Treekamol Y, Schieda M, Robitaille L, MacKinnon SM, Mokrini A, Shi ZQ, Holdcroft S, Schulte K, Nunes SP |
960 - 964 |
Study of reactions of activated Mg-based powders in heated steam Huang HT, Zou MS, Guo XY, Yang RJ, Li YK |
965 - 969 |
Effect of ultracapacitor-modified PHEV protocol on performance degradation in lithium-ion cells Hochgraf CG, Basco JK, Bohn TP, Bloom I |