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Article
Chemistry, Multidisciplinary
Yang Zhao et al.
Summary: Organic electrode materials have advantages of tunable structures, abundant resources, and environmental friendliness in future energy storage systems. However, their overall superior performance still faces challenges such as low capacity, poor stability, inferior conductivity, and low utilization of active sites. To address these issues, a bipolar polymer (Fc-DAB) is designed and polymerized in situ with three-dimensional graphene (3DG), resulting in a hybrid material with various merits. The Fc-DAB@3DG cathode delivers high capacity, ultra-long cycle life, and remarkable rate performance.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Bin-Wei Zhang et al.
Summary: Room-temperature sodium-sulfur batteries have high potential for energy storage, but issues like low S mass loading and poor cycling stability limit their capacity. This study successfully synthesized sulfur-doped graphene frameworks supporting 2H-MoS2 and Mo-1, leading to a cathode with record-high sulfur mass loading and excellent cycling stability. Experimental and computational results revealed the enhancement mechanisms.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Yunming Zhai et al.
Summary: In this study, an organic cathode material HAPN with high redox activity and ideal structural stability was designed and synthesized. HAPN exhibited high Li-storage capacity, remarkable cycling stability, and superior rate capability as a cathode for lithium-ion batteries (LIBs).
Article
Chemistry, Multidisciplinary
Longhai Zhang et al.
Summary: We designed and synthesized a porous organic polymer (POP) with a conjugated and hierarchical structure, which exhibited excellent electrochemical properties as an anode material for sodium-ion batteries (SIBs). Through combined experiments and theoretical computation, we revealed the Na-storage mechanism and dynamic evolution processes of the POP, including a 12-electron reaction process with Na and stable composition and structure evolution during repeating sodiation/de-sodiation processes. This quantitative design for ultrafast and highly durable sodium storage in the POP could benefit the rational design of organic electrode materials with ideal electrochemical properties.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Tianjiang Sun et al.
Summary: To address the issue of organic cathode dissolution in aqueous zinc-organic batteries (AZOBs), a solubility-limited dibenzo[a,c]dibenzo[5,6:7,8]quinoxalino[2,3-i]phenazine-10,21-dione (TABQ-PQ) molecule was successfully designed and synthesized. The extended pi-conjugated plane improved the p conjugation effect of TABQ-PQ and enhanced its pi-pi stacked interaction, leading to low solubility and good structural stability. The TABQ-PQ cathode exhibited an H+-coordination charge-storage mechanism, high capacitance-controlling behavior, and demonstrated a superlong cycling life of over 30,000 cycles and a high discharge capacity of 140.7 mAh g(-1) at 20 A g(-1). This work provides insights into the design of solubility-limited organic electrodes for high-performance AZOBs.
ENERGY STORAGE MATERIALS
(2023)
Article
Electrochemistry
Huiling Yang et al.
Summary: Li2S/Co@C, synthesized by catalytic in-situ coating of Co nanomaterials on Li2S particles, shows enhanced reactivity and conversion kinetics. It exhibits a low activation potential, high initial and long-term capacity, and outstanding rate capacity. Co nanomaterials as Li2S-Co heterostructure catalyst improve the reactivity of Li2S, lithium polysulfides, and sulfur.
ELECTROCHIMICA ACTA
(2023)
Article
Multidisciplinary Sciences
Guanjie Li et al.
Nature Communications
(2023)
Article
Chemistry, Multidisciplinary
Kaiping Zhu et al.
Summary: In this study, an electrostatic field layer (EFL) was established using an electrolyte additive of cobalt tetraaminophthalocyanine (Co(TAPC)) to address the instability issue of the Zn metal/electrolyte interface, parasitic reactions, and dendritic growth, resulting in low Coulombic efficiency (CE) and poor cycle life. The Co(TAPC) with a planar and large conjugated ring structure could preferentially absorb on the Zn metal anode to form a zincophilic EFL, which prevents direct contact of Zn and water, suppresses side reactions, promotes desolvation and Zn2+ diffusion kinetics, and balances the space electric field, thereby enabling high-rate and dendrite-free Zn deposition.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Review
Chemistry, Multidisciplinary
Peng Xiong et al.
Summary: Compared to inorganic electrode materials, organic electrode materials have advantages such as lightweight, customizable structure, high specific capacity, wide availability of natural resources, and recyclability. However, they also have drawbacks including low ionic conductivity and susceptibility to degradation over time. Covalent triazine frameworks (CTFs) have emerged as a promising strategy for organic electrodes, offering customizability, stability, and versatility. This review provides an overview of CTFs, their synthesis, and their performance in energy storage devices.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Review
Chemistry, Multidisciplinary
Zhiheng Li et al.
Summary: Organic compounds are attractive alternatives to conventional inorganic materials for aqueous zinc-ion batteries, due to their high theoretical capacities, structural tunability, controllable synthesis, and environmental friendliness. This review provides a systematic overview of recent developments, energy storage mechanisms, and design strategies for aqueous Zn-organic batteries (ZOBs). It summarizes the ion storage mechanisms, analyzes the dynamic behavior, and highlights the synthesis strategies of organic electrode materials. It also discusses strategies to improve the electrochemical performance and the challenges for practical applications of aqueous ZOBs.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Engineering, Environmental
Hao Li et al.
Summary: Organic compounds have great potential as electrode materials for sustainable batteries, but face challenges in commercialization. Direct molecular design can improve the stability and conductivity of organic compounds. Pi-conjugated polypyrene porous nanoflowers designed in this study show excellent long-term cycling stability and enhanced rate capability in potassium ion batteries.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Multidisciplinary
Fang-Zhou Zhang et al.
Summary: A novel peanut-like structure of B-doped silicon/carbon nanoparticle (Si@B-C) synthesized by sol-gel process exhibits superior electrochemical performance, attributed to the unique peanut-like structure.
Article
Chemistry, Multidisciplinary
Manman Wu et al.
Summary: To obtain high-performance electrode materials for lithium-ion batteries, optimization of both molecular structure and morphology is necessary. In this study, a high-performance COF material was synthesized in a one-step reaction without post-processing, achieving high capacity, excellent rate performance, and cycling stability through the introduction of a flexible building unit containing redox-active centers.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Qi Chen et al.
CHINESE CHEMICAL LETTERS
(2022)
Article
Multidisciplinary Sciences
Xin He et al.
Summary: The authors use in situ infrared nanospectroscopy to study the lithium-polymer-electrolyte interface in solid-state batteries, revealing its intrinsic molecular, structural, and chemical heterogeneities. This research is crucial for understanding the physicochemical properties of the interface and providing engineering solutions.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Rui Wang et al.
Summary: Rechargeable aqueous zinc-ion batteries are considered ideal for large-scale energy storage due to their high safety, eco-friendliness, and low cost. However, the growth of dendrites and parasitic reactions at the anode-electrolyte interface hinder their practical realization. This study proposes that the electrochemical performance of the Zn-metal anode can be improved by using a 3D ZnTe semiconductor substrate, which leads to long cycle life and small voltage hysteresis.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Junnan Hao et al.
Summary: This study reveals the challenges in aqueous Zn-ion batteries and proposes a new electrolyte strategy to address these issues. Experimental results demonstrate that the strategy can achieve high reversibility and long lifespan for Zn-ion batteries.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Hongwei Kang et al.
Summary: In this study, a conjugated polymer PBDTO/rGO with a spiral structure was reported as an anode material for potassium ion batteries, demonstrating high conductivity, low solubility, high capacity, and excellent potassium storage performance. This work may inspire the development of efficient organic battery electrodes for next-generation energy storage devices.
JOURNAL OF POWER SOURCES
(2022)
Article
Chemistry, Physical
Tingting Shi et al.
Summary: In this study, a novel small molecular organic cathode material (SMOCM) called oxidized indanthrone (oIDT) was synthesized through a simple oxidation process. oIDT shows superior electrochemical performance, including high energy density and excellent capacity retention. Furthermore, the research provides insightful mechanism understandings on the redox reaction and electrode evolution of SMOCMs.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
Devendrasinh Darbar et al.
Summary: The demand for high-energy, low-cost batteries is expected to rise in the next decade due to the electrification of the transportation market. This review focuses on alternative cathode chemistries with reduced nickel and no cobalt content for sustainable growth in the electric vehicle market. The primary challenges associated with each material system are categorized into four common categories.
MATERIALS TODAY ENERGY
(2022)
Article
Multidisciplinary Sciences
Guanjia Zhu et al.
Summary: A novel boron doping-induced interconnection-assembly approach was reported for fabricating mesoporous silicon oxycarbide nanospheres, featuring interconnected and strongly coupled nanospheres with coarse surfaces. The architecture offers tunable interconnection size, surface roughness, and switchable primary nanoparticles, demonstrating dual stable characteristics for long-term cycle life in lithium-ion battery anode applications.
NATIONAL SCIENCE REVIEW
(2021)
Article
Chemistry, Multidisciplinary
Shuanggui Zhang et al.
Summary: By embedding high-density and high-performance active materials in ZnTe@C nanowires, fast charge transfer paths are provided while maintaining the structural and electrical integrity of ZnTe. This strategy represents an effective way to achieve electrode materials with excellent gravimetric and volumetric capacities in energy storage systems.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zehang Sun et al.
Summary: The study developed an optimized Bi@N-CNCs electrode that showed great reversible capacities and long-term cyclic stability at high rates, providing new possibilities for anode materials in potassium ion batteries.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Engineering, Environmental
Chao Li et al.
Summary: A ferrocene-based metal-organic framework, Fe-2(DFc)(3), was synthesized and used as a cathode for LIB, exhibiting high energy density and superior electrochemical performance.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Zhiyu Wang et al.
Summary: The study found that intercalating TFSI- anions into VS4 can enhance sulfur evolution during charging, resulting in improved cycling reversibility and capacity retention in the composite electrode.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Review
Chemistry, Physical
Tao Sun et al.
Summary: This paper discusses the potential of organic electrode materials in aqueous zinc-ion batteries, introducing their basic energy storage mechanism and strategies for improving their electrochemical performance through molecular engineering.
CURRENT OPINION IN ELECTROCHEMISTRY
(2021)
Article
Chemistry, Physical
Meng-Siou Wu et al.
Summary: Organic electrode materials offer advantages such as low toxicity and sustainability, but improvements in redox potential, capacity, cycling stability, and electronic conductivity are needed to compete with inorganic-based compounds. The molecular design of HATAQ with extended pi-conjugation shows promising results for achieving exceptionally high energy density, rate capability, and cycling stability in organic electrodes.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Zhuolin Ye et al.
Summary: The study introduces a new cathode material HATN-3CN by lowering the HOMO/LUMO energy of aromatic Schiff base with strong electron-withdrawing and conjugating groups (-CN), demonstrating excellent rate capacity and cycle life, and revealing C=N moieties as active sites for charge storage.
ENERGY STORAGE MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Quanwei Ma et al.
Summary: Organic compounds are considered promising electrode materials, with porous conjugated polymers showing potential due to their tunable properties, high conductivity, and stability. The synthesis of novel conjugated porous polymers provides a competitive strategy for designing high-performance electrode materials for lithium-ion batteries.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Nan Wang et al.
Summary: This study introduces an organic compound containing both n-type and p-type redox moieties, demonstrating a hybrid charge storage mechanism that combines the advantages of n- and p-type reactions and compensates for their drawbacks, showing high voltage, capacity, long lifespan, and high power characteristics.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Hao Li et al.
Summary: The research successfully synthesized two magnetic 2D conjugated polymers, obtaining few-layer nanosheets through liquid-phase exfoliation. Magnetic properties and radical characteristics were studied using superconducting quantum interference device magnetometer and electron spin resonance spectroscopy. The intrinsic magnetism of the nanosheets can be attributed to stable radicals, nanoporous structures, and N-doped zigzag edges in their graphene-like skeletons.
ADVANCED MATERIALS INTERFACES
(2021)
Article
Chemistry, Physical
Zhangxin Chen et al.
Summary: In this study, a novel open lithium battery test method combining in situ electrochemical and UV spectral tests was used to investigate the multi-electron redox mechanism of hexaazatrinaphthylene-based polymers as cathodes in lithium-organic batteries. Two conjugated microporous polymers were synthesized as models to study the charging and discharging mechanism of hexazanaphthalene, revealing different performance in terms of discharge capacity and rate performance. A new multi-electron redox mechanism of hexanazonaphthalene-based polymer cathodes in lithium-organic batteries was proposed based on in situ electrochemical and UV spectral results, providing new insights into the redox mechanism of organic cathode materials.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Bingjie Zhang et al.
Summary: The study introduces a novel thiocarbonyl material, DPTTO, which exhibits better battery performance compared to traditional DPTO, with higher specific capacity and longer cycle life. Investigation on the lithiation process between thiocarbonyl and thiophene sulfide provides insights into the exploration of sulfur-rich organic materials for future LIBs.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Review
Electrochemistry
Jiangqi Zhou et al.
Summary: Supercapacitors rely on high-surface-area electrodes for energy storage and high power delivery, with biomass-derived carbonaceous electrodes showing promise due to their availability, renewability, and cost-efficiency. Research emphasizes the impact of structure and elemental doping on the electrochemical performance of carbon electrodes, while also addressing the gap between laboratory achievements and practical utilization for biomass-derived carbon materials.
ELECTROCHEMICAL ENERGY REVIEWS
(2021)
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ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Review
Chemistry, Multidisciplinary
Yong Lu et al.
NATURE REVIEWS CHEMISTRY
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Wenxi Wang et al.
ACS ENERGY LETTERS
(2020)
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Pascal Acker et al.
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(2020)
Review
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Jingwen Zhou et al.
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Minglei Mao et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2019)
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Zhenzhen Wu et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2019)
Review
Chemistry, Multidisciplinary
Hongqiang Wang et al.
ADVANCED FUNCTIONAL MATERIALS
(2018)
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Sechan Lee et al.
ADVANCED MATERIALS
(2018)
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Yong Lu et al.
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Samuel Cruz-Manzo et al.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2017)
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Dong-Hui Yang et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2016)
Review
Chemistry, Physical
Bernhard Haeupler et al.
ADVANCED ENERGY MATERIALS
(2015)
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Tian Lu et al.
JOURNAL OF COMPUTATIONAL CHEMISTRY
(2012)
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Qing Lai Jiang et al.
CHINESE CHEMICAL LETTERS
(2010)
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Zhong Dong Peng et al.
CHINESE CHEMICAL LETTERS
(2009)
