Nitrogen-Doped Amorphous Carbon/Dual-Phasic TiO2 Nanocomposite Electrodes Derived from Ti-Based Metal-Organic Frameworks Designed with a Mixed Linker Combination for High-Rate Lithium Storage

Article Chemistry, Physical

In-situ construction of Li4Ti5O12/rutile TiO2 heterostructured nanorods for robust and high-power lithium storage

Yiguang Zhou et al.

Summary: The study shows that the Li4Ti5O12/rutile TiO2 heterostructured nanorods exhibit improved high-rate performance and capacity retention, thanks to the constructed interface between the two materials.

NANO RESEARCH (2023)

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Article Chemistry, Multidisciplinary

Unlocking Enhanced Capacitive Deionization of NaTi2(PO4)3/Carbon Materials by the Yolk-Shell Design

Xiaohong Liu et al.

Summary: In this study, a yolk-shell nanoarchitecture of NASICON-structured NTP/C materials (ys-NTP@C) was developed using a metal-organic framework@ covalent organic polymer (MOF@COP) as a sacrificial template and space-confined nanoreactor. ys-NTP@C exhibited good CDI performance with high salt adsorption capacities (SACs) and good cycling stability. This study provides a new synthetic paradigm for preparing yolk-shell structured materials and highlights the potential use of yolk-shell nanoarchitectures for electrochemical desalination.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2023)

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Article Chemistry, Multidisciplinary

High-Performance and Safe Hybrid Li-Ion Batteries Based on Li4Ti5O12-TiO2(A)-TiO2(R)@C Anode and Na3V2O2(PO4)2F-Na3V2(PO4)3@C Cathode

Mainul Akhtar et al.

Summary: In this study, a novel carbon-coated lithium titanate nanocomposite was reported as a superior anode material for lithium-ion batteries. A hybrid lithium-ion battery composed of this anode material and a specific cathode material was successfully fabricated. The battery exhibited excellent cycling stability, rate performance, and overall safety.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

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Article Engineering, Environmental

Design of hydrangea-type Co/Mo bimetal MOFs and MOF-derived Co/Mo2C embedded carbon composites for highly efficient oxygen evolution reaction

Cheol Hyoun Ahn et al.

Summary: This study reports an innovative strategy for preparing efficient oxygen evolution reaction (OER) catalysts based on Co/Mo metal organic frameworks (MOFs) with a two-dimensional hydrangea-type structure using molecular binders. The resulting catalyst exhibits excellent OER performance, attributed to its large accessible surface area and open active sites due to the hydrangea-type structure, as well as the modulation of Co electronic structure by Mo2C.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Metal-organic frameworks derived anatase/rutile heterostructures with enhanced reaction kinetics for lithium and sodium storage

Guilong Liu et al.

Summary: The fabricated anatase-rutile heterostructure TiO2 electrode with abundant oxygen vacancies exhibited enhanced electronic/ionic transport and improved pseudo-capacitive behaviors. The theoretical calculation confirmed that the heterostructure favored the connection between TiO2 and carbon layers, leading to improved electronic conductivity and lower migration energy barriers for Li+ and Na+.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

Dual anion-doped porous carbon embraced TiO2 nanocrystals with long-term cycling performance for sodium ion batteries

Yue Yang et al.

Summary: By constructing functionalized carbon embraced ultrafine TiO2 nanocrystals, the conductivity and ion transport ability of TiO2 in sodium ion batteries are effectively improved, leading to enhanced energy storage performance and cycling stability.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Multidisciplinary

In Situ Conformal Carbon Coating for Constructing Hierarchical Mesoporous Titania/Carbon Spheres as High-Rate Lithium-Ion Battery Anodes

Kunlei Zhu et al.

Summary: Improving the transport of electrons and lithium ions simultaneously is crucial for enhancing the rate capability of lithium-ion battery anode materials. In this study, hierarchical mesoporous TiO2/C spheres were synthesized, which exhibited high electrical conductivity and porosity as electrode materials.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

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Article Multidisciplinary Sciences

Fast charging of energy-dense lithium-ion batteries

Chao-Yang Wang et al.

Summary: Researchers have achieved fast charging of high-energy density batteries using an asymmetric temperature modulation and a thermally stable dual-salt electrolyte method, allowing for a 75% state of charge in just 12 minutes. They have also developed a digital twin to assess cooling and safety, demonstrating the feasibility of thermally modulated 4C charging with air convection.

NATURE (2022)

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Article Chemistry, Physical

Design of Bronze-Rich Dual-Phasic TiO2 Embedded Amorphous Carbon Nanocomposites Derived from Ti-Metal-Organic Frameworks for Improved Lithium-Ion Storage

Cheol Hyoun Ahn et al.

Summary: A bronze-rich dual-phasic TiO2-embedded amorphous carbon nanoarchitecture, DP-TiO2@C, was synthesized for the first time using sacrificial Ti-metal-organic frameworks. This material exhibits high specific capacities and high-rate capability, as well as long-term stability and even distribution of nanoparticles.

SMALL METHODS (2022)

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Review Chemistry, Multidisciplinary

Titanium dioxide-based anode materials for lithium-ion batteries: structure and synthesis

Huili Shi et al.

Summary: Lithium-ion batteries (LIBs) are widely used in energy storage and electronic devices, and titanium dioxide (TiO2) is a promising anode material due to its low cost and non-toxicity. However, the poor electrical conductivity of TiO2 limits its large-scale application, and researchers have been working on improving its electrochemical performance through the use of different morphologies and composite materials.

RSC ADVANCES (2022)

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Article Chemistry, Physical

Enhanced Photocatalytic CO2 Reduction Activity over NH2-MIL-125(Ti) by Facet Regulation

Xiao-Mei Cheng et al.

Summary: The study investigated the facet effect of metal-organic frameworks (MOFs) on photocatalytic processes by synthesizing NH2-MIL-125(Ti) with different ratios of {001} and {111} facets. It was found that increasing exposed proportion of {111} facets enhanced the activity in photoreduction of CO2. The {111} facets exhibited significantly higher photocatalytic activity and quantum yields compared to the {001} facets, with an important role in inhibiting electron-hole recombination.

ACS CATALYSIS (2021)

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Article Chemistry, Physical

Core-Shell MOF@COF Motif Hybridization: Selectively Functionalized Precursors for Titanium Dioxide Nanoparticle-Embedded Nitrogen-Rich Carbon Architectures with Superior Capacitive Deionization Performance

Xiaohong Liu et al.

Summary: The directed core-shell motif hybridization of COFs on MOFs results in selectively functionalized carbonaceous precursors, TiO2@COF, with titanium dioxide nanoparticles in the inner core and nitrogen-rich carbon in the outer shell. This design provides abundant faradic active sites and nitrogen dopants, as well as favorable cycling stability and enhanced pseudocapacitive capacity. Additionally, the interconnected COF-derived fibers contribute to increasing electrical conductivity of the material, leading to a high salt adsorption capacity and favorable cycling stability for CDI electrodes.

CHEMISTRY OF MATERIALS (2021)

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Article Chemistry, Applied

An in situ investigation of the thermal decomposition of metal-organic framework NH2-MIL-125 (Ti)

Mian Zahid Hussain et al.

Summary: This study investigates the thermal conversion behavior of NH2-MIL-125(Ti) MOFs, revealing three distinct stages of transformation at different temperatures and providing insights into the mechanistic understanding of the process.

MICROPOROUS AND MESOPOROUS MATERIALS (2021)

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Article Chemistry, Physical

Atomically controllable in-situ electrochemical treatment of metal-organic-framework-derived cobalt-embedded carbon composites for highly efficient electrocatalytic oxygen evolution

Cheol Hyoun Ahn et al.

Summary: Co-based metal-organic frameworks (Co-MOFs) have been studied as intermediate templates for highly catalytic oxygen evolution reaction. However, the electrocatalytic performance of Co-MOF-derived composites remains unsatisfactory due to insufficient active sites and the detachment of Co nanoparticles. In this study, an in-situ electrochemical treatment was proposed to modify the surface of Co nanoparticles, resulting in a core/shell structure with improved electrocatalytic properties. The electrochemically designed Co@NC composite showed excellent catalytic activity with desirable overpotential and Tafel slope, as well as long-term durability.

APPLIED SURFACE SCIENCE (2021)

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Review Chemistry, Multidisciplinary

Commercialization-Driven Electrodes Design for Lithium Batteries: Basic Guidance, Opportunities, and Perspectives

Chunyan Cao et al.

Summary: The passage discusses the challenges faced by lithium-ion battery technology in meeting the increasing demands of the energy storage market. It highlights the importance of rational design of electrodes for commercialization and proposes strategies to overcome challenges while maintaining energy density and cycling durability. The review also suggests that these design principles could be applied to other energy storage and conversion systems.

SMALL (2021)

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Article Engineering, Environmental

Indirect Z-scheme heterojunction of NH2-MIL-125(Ti) MOF/g-C3N4 nanocomposite with RGO solid electron mediator for efficient photocatalytic CO2 reduction to CO and CH4

Riyadh Ramadhan Ikreedeegh et al.

Summary: A well-designed Z-scheme photocatalyst using NH2-MIL-125(Ti) MOF coupled with g-C3N4 and RGO mediator showed enhanced efficiency in photocatalytic CO2 reduction, with a high CO2 adsorption capacity. The composite demonstrated high CO selectivity and stable CO and CH4 production under visible light, providing a promising approach for further investigations in selective CO2 conversion to solar fuels.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Chemistry, Physical

Synchronously improved graphitization and surface area in a 3D porous carbon network as a high capacity anode material for lithium/sodium-ion batteries

Haimi Liu et al.

Summary: The study successfully enhanced the graphitization and surface area of carbon materials by using bifunctional silica as a catalyst and template, combined with N, P co-doping strategy, to achieve ideal performance for Li and Na storage.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Physical

Preparation of nanoporous Sn-doped TiO2 anode material for lithium-ion batteries by a simple dealloying method

Yunxiang Li et al.

IONICS (2020)

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Article Chemistry, Physical

One-pot synthesis of (anatase/bronze-type)-TiO2/carbon dot polymorphic structures and their photocatalytic activity for H2 generation

Sovann Khan et al.

APPLIED SURFACE SCIENCE (2020)

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Article Nanoscience & Nanotechnology

Enhanced Pseudo-Capacitive Contributions to High-Performance Sodium Storage in TiO2/C Nanofibers via Double Effects of Sulfur Modification

Yan Zhang et al.

NANO-MICRO LETTERS (2020)

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Article Chemistry, Multidisciplinary

Hydrothermal Activation of Porous Nitrogen-Doped Carbon Materials for Electrochemical Capacitors and Sodium-Ion Batteries

Yuliya Fedoseeva et al.

NANOMATERIALS (2020)

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Article Chemistry, Multidisciplinary

Metal Substitution as the Method of Modifying Electronic Structure of Metal-Organic Frameworks

Maria A. Syzgantseva et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Review Multidisciplinary Sciences

Recycling lithium-ion batteries from electric vehicles

Gavin Harper et al.

NATURE (2019)

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Review Materials Science, Multidisciplinary

A review of rechargeable batteries for portable electronic devices

Yeru Liang et al.

INFOMAT (2019)

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Watermelon-Like Structured SiOx-TiO2@C Nanocomposite as a High-Performance Lithium-Ion Battery Anode

Zhaolin Li et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

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Review Chemistry, Physical

Nitrogen-doped carbon materials

Michio Inagaki et al.

CARBON (2018)

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1D Sub-Nanotubes with Anatase/Bronze TiO2 Nanocrystal Wall for High-Rate and Long-Life Sodium-Ion Batteries

Biao Chen et al.

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Anisotropic polydopamine capsules with an ellipsoidal shape that can tolerate harsh conditions: efficient adsorbents for organic dyes and precursors for ellipsoidal hollow carbon particles

Lu Yang et al.

RSC ADVANCES (2017)

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Synthesis of graphitic-N and amino-N in nitrogen-doped carbon via a solution plasma process and exploration of their synergic effect for advanced oxygen reduction reaction

Oi Lun Li et al.

JOURNAL OF MATERIALS CHEMISTRY A (2017)

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Nanometric MIL-125-NH2 Metal-Organic Framework as a Potential Nerve Agent Antidote Carrier

Sergio M. F. Vilela et al.

NANOMATERIALS (2017)

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TiO2 as an active or supplemental material for lithium batteries

Taeseup Song et al.

JOURNAL OF MATERIALS CHEMISTRY A (2016)

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Ti3+ Self-Doped Dark Rutile TiO2 Ultrafine Nanorods with Durable High-Rate Capability for Lithium-Ion Batteries

Jun Chen et al.

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TiO2 embedded in carbon submicron-tablets: synthesis from a metal-organic framework precursor and application as a superior anode in lithium-ion batteries

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Ultrafast lithium storage in TiO2-bronze nanowires/N-doped graphene nanocomposites

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JOURNAL OF MATERIALS CHEMISTRY A (2015)

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Ultrathin Anatase TiO2 Nanosheets Embedded with TiO2-B Nanodomains for Lithium-Ion Storage: Capacity Enhancement by Phase Boundaries

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Solvothermal synthesis of NH2-MIL-125(Ti) from circular plate to octahedron

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Structure and electrical conductivity of nitrogen-doped carbon nanofibers

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Nitrogen-Doped Amorphous Carbon/Dual-Phasic TiO2 Nanocomposite Electrodes Derived from Ti-Based Metal-Organic Frameworks Designed with a Mixed Linker Combination for High-Rate Lithium Storage

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