O 2 2- /O - functionalized oxygen-deficient Co 3 O 4 nanorods as high performance supercapacitor electrodes and electrocatalysts towards water splitting

Dresselhaus, 2001, Alternative energy technologies, Nature, 414, 332, 10.1038/35104599 Crabtree, 2008, The hydrogen fuel alternative, MRS Bull., 33, 421, 10.1557/mrs2008.84 Bloor, 2014, Low pH electrolytic water splitting using earth-abundant metastable catalysts that self-assemble in situ, J. Am. Chem. Soc., 136, 3304, 10.1021/ja5003197 Maeda, 2006, Photocatalyst releasing hydrogen from water, Nature, 440, 295, 10.1038/440295a Robinson, 2013, Photochemical water oxidation by crystalline polymorphs of manganese oxides: structural requirements for catalysis, J. Am. Chem. Soc., 135, 3494, 10.1021/ja310286h Walter, 2010, Solar water splitting cells, Chem. Rev., 110, 6446, 10.1021/cr1002326 Petrykin, 2010, Tailoring the selectivity for electrocatalytic oxygen evolution on ruthenium oxides by zinc substitution, Angew. Chem. Int. Ed., 49, 4813, 10.1002/anie.200907128 Sheng, 2010, Hydrogen oxidation and evolution reaction kinetics on platinum: acid vs alkaline electrolytes, J. Electrochem. Soc., 157, B1529, 10.1149/1.3483106 Du Pasquier, 2003, A comparative study of Li-ion battery, supercapacitor and nonaqueous asymmetric hybrid devices for automotive applications, J. Power Sources, 115, 171, 10.1016/S0378-7753(02)00718-8 Cheng, 2015, Ultrathin mesoporous NiO nanosheet-anchored 3D nickel foam as an advanced electrode for supercapacitors, J. Mater. Chem. A, 3, 17469, 10.1039/C5TA05313G Cheng, 2016, Facile fabrication of cobalt oxalate nanostructures with superior specific capacitance and super-long cycling stability, J. Power Sources, 312, 184, 10.1016/j.jpowsour.2016.02.046 Jin, 2015, In situ cobalt-cobalt oxide/N-doped carbon hybrids as superior bifunctional electrocatalysts for hydrogen and oxygen evolution, J. Am. Chem. Soc., 137, 2688, 10.1021/ja5127165 Wang, 2014, Reduced mesoporous Co3O4 nanowires as efficient water oxidation electrocatalysts and supercapacitor electrodes, Adv. Energy Mater., 4, 1400696, 10.1002/aenm.201400696 Zhai, 2014, Oxygen vacancies enhancing capacitive properties of MnO2 nanorods for wearable asymmetric supercapacitors, Nano Energy, 8, 255, 10.1016/j.nanoen.2014.06.013 Zeng, 2015, Advanced Ti-doped Fe2O3@PEDOT core/shell anode for high-energy asymmetric supercapacitors, Adv. Energy Mater., 5, 1402176, 10.1002/aenm.201402176 Yu, 2016, Dual-doped molybdenum trioxide nanowires: a bifunctional anode for fiber-shaped asymmetric supercapacitors and microbial fuel cells, Angew. Chem., 128, 6874, 10.1002/ange.201602631 Yu, 2017, Nitrogen-doped Co3O4 mesoporous nanowire arrays as an additive-free air-cathode for flexible solid-state zinc-air batteries, Adv. Mater., 1602868, 10.1002/adma.201602868 Aricò, 2005, Nanostructured materials for advanced energy conversion and storage devices, Nat. Mater., 4, 366, 10.1038/nmat1368 Wang, 2011, Controllable synthesis of Co3O4 from nanosize to microsize with large-scale exposure of active crystal planes and their excellent rate capability in supercapacitors based on the crystal plane effect, Nano Res., 4, 695, 10.1007/s12274-011-0125-x Zhu, 2011, Cobalt oxide nanowall arrays on reduced graphene oxide sheets with controlled phase, grain size, and porosity for Li-ion battery electrodes, J. Phys. Chem. C, 115, 8400, 10.1021/jp2002113 Rakhi, 2012, Substrate dependent self-organization of mesoporous cobalt oxide nanowires with remarkable pesudocapacitance, Nano Lett., 12, 2559, 10.1021/nl300779a Liang, 2011, Co3O4 nanocrystals on graphene as asynergistic catalyst for oxygen reduction reaction, Nat. Mater., 10, 780, 10.1038/nmat3087 Roginskaya, 1997, Characterization of bulk and surface composition of CoxNi1−xOy mixed oxides for electrocatalysis, Langmuir, 13, 4621, 10.1021/la9609128 Li, 2011, Transformation of methane into synthesis gas using CeO2 as apromoter for efficient and stable water oxidation, Int. J. Hydrog. Energy, 36, 3471, 10.1016/j.ijhydene.2010.12.038 Liang, 2015, Highly defective CeO2 as a promoter for efficient and stable water oxidation, J. Mater. Chem. A, 3, 634, 10.1039/C4TA05770H Cheng, 2014, Anodization driven synthesis of nickel oxalate nanostructures with excellent performance for asymmetric supercapacitors, J. Mater. Chem. A, 2, 17307, 10.1039/C4TA03648D Gabal, 2003, Effect of calcination temperature on Co (II) oxalate dihydrate-iron (II) oxalate dihydrate mixture: DAT-TG, XRD, Mössbauer, FT-IR and SEM studies, Mater. Chem. Phys., 81, 84, 10.1016/S0254-0584(03)00137-8 Venkataraman, 1992, Studies on the mechanism of thermal dehydration of cobalt oxalate dihydrate, J. Phys. Chem. Solids, 53, 681, 10.1016/0022-3697(92)90207-T Xu, 1999, Raman spectra of CuO nanocrystals, J. Raman Spectrosc., 30, 413, 10.1002/(SICI)1097-4555(199905)30:5<413::AID-JRS387>3.0.CO;2-N Ernst, 1999, Preparation and characterization of fischer-tropsch active Co/SiO2 catalysts, Appl. Catal. A: Gen., 186, 145, 10.1016/S0926-860X(99)00170-2 Biesinger, 2011, Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni, Appl. Surf. Sci., 257, 2717, 10.1016/j.apsusc.2010.10.051 Fan, 2013, Synthesis of small-sized freestanding Co3O4 nanosheets with improved activity for H2O2 sensing and oxygen evolution, J. Electrochem. Soc., 160, F218, 10.1149/2.016303jes Li, 2012, Effect of calcination temperature on surface oxygen vacancies and catalytic performance towards CO oxidation of Co3O4 nanoparticles supported on SiO2, Chinese, J. Chem. Phys., 25, 103 Xia, 2010, Three-dimensional ordered mesoporous cobalt oxides: highly active catalysts for the oxidation of toluene and methanol, Catal. Commun., 11, 1171, 10.1016/j.catcom.2010.07.005 Wang, 2008, Nanocasted synthesis of mesoporous LaCoO3 perovskite with extremely high surface area and excellent activity in methane combustion, J. Phys. Chem. C, 112, 15293, 10.1021/jp8048394 Wang, 2008, 3D aperiodic hierarchical porous graphitic carbon material for high‐rate electrochemical capacitive energy storage, Angew. Chem., 120, 379, 10.1002/ange.200702721 Yan, 2012, Advanced asymmetric supercapacitors based on Ni(OH)2/graphene and porous graphene electrodes with high energy density, Adv. Funct. Mater., 22, 2632, 10.1002/adfm.201102839 Patil, 2009, Characterization of honeycomb-like “β-Ni(OH)2” thin films synthesized by chemical bath deposition method and their supercapacitor application, J. Power Sources, 188, 338, 10.1016/j.jpowsour.2008.11.136 Liu, 2016, Investigation of the electroactive capability for the supercapacitor electrode with cobalt oxide rhombus nanopillar and nanobrush arrays, J. Power Sources, 315, 23, 10.1016/j.jpowsour.2016.03.035 Tang, 2014, Morphology controlled synthesis of monodisperse cobalt hydroxide for supercapacitor with high performance and long cycle life, J. Power Sources, 256, 160, 10.1016/j.jpowsour.2014.01.064 Du, 2013, Facile synthesis of hollow Co3O4 boxes for high capacity supercapacitor, J. Power Sources, 227, 101, 10.1016/j.jpowsour.2012.11.009 Xu, 2014, Facile synthesis of cobalt manganese oxides nanowires on nickel foam with superior electrochemical performance, J. Power Sources, 268, 204, 10.1016/j.jpowsour.2014.06.014 Zhao, 2014, Cobalt Hexacyanoferrate nanoparticles as a high-rate and ultra-stable supercapacitor electrode material, ACS Appl. Mater. Interfaces, 6, 11007, 10.1021/am503375h Xie, 2013, A novel asymmetric supercapacitor with an activated carbon cathode and a reduced graphene oxide–cobalt oxide nanocomposite anode, J. Power Sources, 242, 148, 10.1016/j.jpowsour.2013.05.081 Zhou, 2015, A facile low-temperature synthesis of highly distributed and size-tunable cobalt oxide nanoparticles anchored on activated carbon for supercapacitors, J. Power Sources, 273, 945, 10.1016/j.jpowsour.2014.09.168 Li, 2013, Amorphous nickel hydroxide nanospheres with ultrahigh capacitance and energy density as electrochemical pseudocapacitor materials, Nat. Commun., 4, 1894, 10.1038/ncomms2932 Yan, 2012, Advanced asymmetric supercapacitors based on Ni(OH)2/graphene and porous graphene electrodes with high energy density, Adv. Funct. Mater., 22, 2632, 10.1002/adfm.201102839 Godillot, 2016, High power density aqueous hybrid supercapacitor combining activated carbon and highly conductive spinel cobalt oxide, J. Power Sources, 331, 277, 10.1016/j.jpowsour.2016.09.035 Wang, 2012, Dodecyl sulfate-induced fast faradic process in nickel cobalt oxide-reduced graphite oxide composite material and its application for asymmetric supercapacitor device, J. Mater. Chem., 22, 23114, 10.1039/c2jm35307e Yu, 2014, Super Long-life supercapacitors based on the construction of nanohoneycomb-like strongly coupled CoMoO4-3D graphene hybrid electrodes, Adv. Mater., 26, 1044, 10.1002/adma.201304148 Gao, 2012, Water oxidation electrocatalyzed by an efficient Mn3O4/CoSe2 nanocomposite, J. Am. Chem. Soc., 134, 2930, 10.1021/ja211526y Esswein, 2009, Size-dependent activity of Co3O4 nanoparticle anodes for alkaline water electrolysis, J. Phys. Chem. C, 113, 15068, 10.1021/jp904022e Mao, 2014, High-performance bi-functional electrocatalysts of 3D crumpled graphene-cobalt oxide nanohybrids for oxygen reduction and evolution reactions, Energy Environ. Sci., 7, 609, 10.1039/C3EE42696C Tung, 2015, Reversible adapting layer produces robust single-crystal electrocatalyst for oxygen evolution, Nat. Commun., 6, 8106, 10.1038/ncomms9106 Grimaud, 2013, Double perovskites as a family of highly active catalysts for oxygen evolution in alkaline solution, Nat. Commun., 4, 2439, 10.1038/ncomms3439 Jiang, 2015, Electrodeposited cobaltphosphorous-derived films as competent bifunctional catalysts for overall water splitting, Angew. Chem. Int. Ed., 54, 6251, 10.1002/anie.201501616 Zou, 2014, Cobalt-embedded nitrogen-rich carbon nanotubes efficiently catalyze hydrogen evolution reaction at all pH values, Angew. Chem. Int. Ed., 53, 4372, 10.1002/anie.201311111 Ledendecker, 2015, Highly porous materials as tunable electrocatalysts for the hydrogen and oxygen evolution reaction, Adv. Funct. Mater., 25, 393, 10.1002/adfm.201402078 McArthur, 2014, Synthesis and characterization of 3D Ni nanoparticle/carbon nanotube cathodes for hydrogen evolution in alkaline electrolyte, J. Power Sources, 266, 365, 10.1016/j.jpowsour.2014.05.036 Chen, 2011, Core–shell MoO3-MoS2 nanowires for hydrogen evolution: a functional design for electrocatalytic materials, Nano Lett., 11, 4168, 10.1021/nl2020476 Du, 2015, Co3O4 nanocrystal ink printed on carbon fiber paper as a large-area electrode for electrochemical water splitting, Chem. Commun., 51, 8066, 10.1039/C5CC01080B Jang, 2012, Efficient photocatalytic degradation of acid orange 7 on metal oxide p-n junction composites under visible light, J. Phys. Chem. Solids, 73, 1372, 10.1016/j.jpcs.2012.07.009 Hildebrandt, 2011, Controlled oxygen vacancy induced p-type conductivity in HfO2−x thin films, J. Phys. Chem. Solids, 99, 112902 Gao, 2015, The role of oxygen vacancies in improving the performance of CoO as a bifunctional cathode catalyst for rechargeable Li-O2 batteries, J. Mater. Chem. A, 3, 17598, 10.1039/C5TA03885E Chen, 2015, Oxygen-deficient BaTiO3−x perovskite as an efficient bifunctional oxygen electrocatalyst, Nano Energy, 13, 423, 10.1016/j.nanoen.2015.03.005 Wang, 2015, In operando identification of geometrical-site-dependent water oxidation activity of spinel Co3O4, J. Am. Chem. Soc., 138, 36, 10.1021/jacs.5b10525 Zhu, 2015, A high‐performance electrocatalyst for oxygen evolution reaction: LiCo0.8Fe0.2O2, Adv. Mater., 27, 7150, 10.1002/adma.201503532 Jung, 2014, A bifunctional perovskite catalyst for oxygen reduction and evolution, Angew. Chem. Int. Ed., 53, 4582, 10.1002/anie.201311223