Covalency Competition Induced Active Octahedral Sites in Spinel Cobaltites for Enhanced Pseudocapacitive Charge Storage

3D flower‐like oxygen‐deficient non‐stoichiometry zinc cobaltite for high performance hybrid supercapacitors

(2021) Periyasamy Sivakumar et al.   INTERNATIONAL JOURNAL OF ENERGY RESEARCH

Ultrafast and reversible anion storage of spinel nanoarchitecture for high-performance alkaline zinc full cells

(2021) Periyasamy Sivakumar et al.   Applied Physics Reviews

Design principles of high-voltage aqueous supercapacitors

(2021) X. Wu et al.   Materials Today Energy

Defective mesoporous carbon/MnO2 nanocomposite as an advanced electrode material for supercapacitor application

(2021) Nourali Mohammadi et al.   JOURNAL OF ALLOYS AND COMPOUNDS

High-performance potassium ion capacitors enabled by hierarchical porous, large interlayer spacing, active site rich-nitrogen, and sulfur Co-doped carbon

(2020) Binbin Fan et al.   CARBON

Pseudocapacitance: From Fundamental Understanding to High Power Energy Storage Materials

(2020) Simon Fleischmann et al.   CHEMICAL REVIEWS

Covalency competition dominates the water oxidation structure–activity relationship on spinel oxides

(2020) Yuanmiao Sun et al.   Nature Catalysis

Mn‐O Covalency Governs the Intrinsic Activity of Co‐Mn Spinel Oxides for Boosted Peroxymonosulfate Activation

(2020) Zhi-Yan Guo et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Interconnected network‐like single crystalline bimetallic carbonate hydroxide nanowires for high performance hybrid supercapacitors

(2020) Periyasamy Sivakumar et al.   INTERNATIONAL JOURNAL OF ENERGY RESEARCH

Shifting Oxygen Charge Towards Octahedral Metal: A Way to Promote Water Oxidation on Cobalt Spinel Oxides

(2019) Shengnan Sun et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Mastering Surface Reconstruction of Metastable Spinel Oxides for Better Water Oxidation

(2019) Yan Duan et al.   ADVANCED MATERIALS

Mn Cations Control Electronic Transport in Spinel CoxMn3–xO4 Nanoparticles

(2019) Anuj Bhargava et al.   CHEMISTRY OF MATERIALS

Phase- and interlayer spacing-controlled cobalt hydroxides for high performance asymmetric supercapacitor applications

(2019) Milan Jana et al.   JOURNAL OF POWER SOURCES

In Situ X-ray Absorption Spectroscopy Studies of Nanoscale Electrocatalysts

(2019) Maoyu Wang et al.   Nano-Micro Letters

Iron-facilitated dynamic active-site generation on spinel CoAl2O4 with self-termination of surface reconstruction for water oxidation

(2019) Tianze Wu et al.   Nature Catalysis

Framework Doping of Ni Enhances Pseudocapacitive Na-Ion Storage of (Ni)MnO2 Layered Birnessite

(2019) Xiaoqiang Shan et al.   CHEMISTRY OF MATERIALS

Optimal Geometrical Configuration of Cobalt Cations in Spinel Oxides to Promote Oxygen Evolution Reaction

(2019) Zhijuan Liu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Effect of cation substitution on the pseudocapacitive performance of spinel cobaltite MCo2O4 (M = Mn, Ni, Cu, and Co)

(2018) Shude Liu et al.   Journal of Materials Chemistry A

Controllable synthesis of nanohorn-like architectured cobalt oxide for hybrid supercapacitor application

(2018) Periyasamy Sivakumar et al.   JOURNAL OF POWER SOURCES

X-ray emission spectroscopy: an effective route to extract site occupation of cations

(2018) Anuj Bhargava et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Revealing molecular-level surface redox sites of controllably oxidized black phosphorus nanosheets

(2018) Puritut Nakhanivej et al.   NATURE MATERIALS

A general approach for fabricating 3D MFe2O4 (M=Mn, Ni, Cu, Co)/graphitic carbon nitride covalently functionalized nitrogen-doped graphene nanocomposites as advanced anodes for lithium-ion batteries

(2018) Wenyao Zhang et al.   Nano Energy

Porous interconnected NiCo2O4 nanosheets and nitrogen- and sulfur-codoped reduced graphene oxides for high-performance hybrid supercapacitors

(2018) Periyasamy Sivakumar et al.   JOURNAL OF ALLOYS AND COMPOUNDS

The critical role of point defects in improving the specific capacitance of δ-MnO2 nanosheets

(2017) Peng Gao et al.   Nature Communications

Active site-engineered bifunctional electrocatalysts of ternary spinel oxides, M0.1Ni0.9Co2O4 (M: Mn, Fe, Cu, Zn) for the air electrode of rechargeable zinc–air batteries

(2017) Yi-Ting Lu et al.   Journal of Materials Chemistry A

High-Performance Asymmetric Supercapacitors of MnCo2O4 Nanofibers and N-Doped Reduced Graphene Oxide Aerogel

(2016) Tanut Pettong et al.   ACS Applied Materials & Interfaces

Preparation of MnCo2O4@Ni(OH)2Core-Shell Flowers for Asymmetric Supercapacitor Materials with Ultrahigh Specific Capacitance

(2016) Yan Zhao et al.   ADVANCED FUNCTIONAL MATERIALS

Hybrid supercapacitor devices based on MnCo 2 O 4 as the positive electrode and FeMn 2 O 4 as the negative electrode

(2016) Sadayappan Nagamuthu et al.   APPLIED SURFACE SCIENCE

Template-free synthesis of novel flower-like MnCo2O4 hollow microspheres for application in supercapacitors

(2016) Hongwei Che et al.   CERAMICS INTERNATIONAL

Electrochemical capacitors: mechanism, materials, systems, characterization and applications

(2016) Yonggang Wang et al.   CHEMICAL SOCIETY REVIEWS

Valence Change Ability and Geometrical Occupation of Substitution Cations Determine the Pseudocapacitance of Spinel Ferrite XFe2O4 (X = Mn, Co, Ni, Fe)

(2016) Chao Wei et al.   CHEMISTRY OF MATERIALS

Self-supported formation of hierarchical NiCo2O4 tetragonal microtubes with enhanced electrochemical properties

(2016) Fei-Xiang Ma et al.   Energy & Environmental Science

LOBSTER: A tool to extract chemical bonding from plane-wave based DFT

(2016) Stefan Maintz et al.   JOURNAL OF COMPUTATIONAL CHEMISTRY

In Situ Spectroscopic Identification of μ-OO Bridging on Spinel Co3O4 Water Oxidation Electrocatalyst

(2016) Hsin-Yi Wang et al.   Journal of Physical Chemistry Letters

Hierarchical chestnut-like MnCo 2 O 4 nanoneedles grown on nickel foam as binder-free electrode for high energy density asymmetric supercapacitors

(2016) Kwun Nam Hui et al.   JOURNAL OF POWER SOURCES

Probing the Charge Storage Mechanism of a Pseudocapacitive MnO2 Electrode Using in Operando Raman Spectroscopy

(2015) Dongchang Chen et al.   CHEMISTRY OF MATERIALS

In Operando Identification of Geometrical-Site-Dependent Water Oxidation Activity of Spinel Co3O4

(2015) Hsin-Yi Wang et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

1 D Hierarchical MnCo2O4Nanowire@MnO2Sheet Core-Shell Arrays on Graphite Paper as Superior Electrodes for Asymmetric Supercapacitors

(2015) Shude Liu et al.   ChemNanoMat

Self-Templated Formation of Uniform NiCo2O4Hollow Spheres with Complex Interior Structures for Lithium-Ion Batteries and Supercapacitors

(2014) Laifa Shen et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Surface Structure and Morphology of M[CoM′]O4 (M = Mg, Zn, Fe, Co and M′ = Ni, Al, Mn, Co) Spinel Nanocrystals—DFT+U and TEM Screening Investigations

(2014) F. Zasada et al.   Journal of Physical Chemistry C

Phase evolution of an alpha MnO 2 -based electrode for pseudo-capacitors probed by in operando Raman spectroscopy

(2014) Shuang Cheng et al.   Nano Energy

General Solution Growth of Mesoporous NiCo2O4Nanosheets on Various Conductive Substrates as High-Performance Electrodes for Supercapacitors (Adv. Mater. 7/2013)

(2013) Genqiang Zhang et al.   ADVANCED MATERIALS

Mg and Al substituted cobalt spinels as catalysts for low temperature deN2O—Evidence for octahedral cobalt active sites

(2013) P. Stelmachowski et al.   APPLIED CATALYSIS B-ENVIRONMENTAL

Analytic projection from plane-wave and PAW wavefunctions and application to chemical-bonding analysis in solids

(2013) Stefan Maintz et al.   JOURNAL OF COMPUTATIONAL CHEMISTRY

Electronic states and magnetic structure at the Co3O4(110) surface: A first-principles study

(2012) Jia Chen et al.   PHYSICAL REVIEW B

Crystal Orbital Hamilton Population (COHP) Analysis As Projected from Plane-Wave Basis Sets

(2011) Volker L. Deringer et al.   JOURNAL OF PHYSICAL CHEMISTRY A

Rapid room-temperature synthesis of nanocrystalline spinels as oxygen reduction and evolution electrocatalysts

(2010) Fangyi Cheng et al.   Nature Chemistry

A Structural and Magnetic Investigation of the Inversion Degree in Ferrite Nanocrystals MFe2O4(M = Mn, Co, Ni)

(2009) D. Carta et al.   Journal of Physical Chemistry C

Ab-initiosimulations of materials using VASP: Density-functional theory and beyond

(2008) Jürgen Hafner   JOURNAL OF COMPUTATIONAL CHEMISTRY