A review on the role of hydrogen bonds in organic electrode materials DOI
Yonghui Wang, Yuxuan Zhao,

Xinlei Xu

et al.

Batteries & Supercaps, Journal Year: 2024, Volume and Issue: 7(12)

Published: Aug. 16, 2024

Abstract Organic electrode materials (OEMs) hold significant development potential in the field of batteries and are regarded as excellent complementary to resource‐limited inorganic materials, which have recently been subject extensive research. As research deepens, an increasing number scholars recognize influence weak bond interactions on properties OEMs. Generally, more pronounced effects organic compared ones. Among various interactions, hydrogen bonds particularly noteworthy, having proven play crucial roles adjusting charge distribution, stabilizing crystal structures, inhibiting cyclic dissolution. The studies OEMs therefore paramount importance for guiding their future development. In this review, we primarily summarize progress science within discuss directions prospects area. Hoping provide valuable references advancement

Language: Английский

A High Capacity p‐Type Organic Cathode Material for Aqueous Zinc Batteries DOI
Yan Zhang, Min Li, Zongyang Li

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(48)

Published: Sept. 3, 2024

Abstract P‐type organic cathode materials typically exhibit high redox potentials and fast kinetics, presenting broad application prospects in aqueous zinc batteries (AZBs). However, most of the reported p‐type limited capacity (<100 mAh g −1 ), which is attributable to low mass content ratio oxidation‐reduction active functional groups these materials. Herein, we report a high‐capacity material, 5,12‐dihydro‐5,6,11,12‐tetraazatetracene (DHTAT), for batteries. Both experiments calculation indicate charge storage DHTAT mainly involves adsorption/desorption ClO 4 − on −NH− group. Benefitting from group DHATA molecule, electrode demonstrates remarkable 224 at current density 50 mA with stable voltage 1.12 V. Notably, after 5000 cycles 5 A , retains 73 % its initial capacity, showing promising cycling stability. In addition, also has good low‐temperature performance can stably cycle −40 °C 4000 1 making it competitive candidates material

Language: Английский

Citations

8
Organic cation‐supported layered vanadate cathode for high‐performance aqueous zinc‐ion batteries DOI Creative Commons
Changding Wang, Yingfang Li, Sida Zhang

et al.

Carbon Energy, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 15, 2024

Abstract Layered vanadates are ideal energy storage materials due to their multielectron redox reactions and excellent cation capacity. However, practical application still faces challenges, such as slow reaction kinetics poor structural stability. In this study, we synthesized [Me 2 NH ]V 3 O 7 (MNVO), a layered vanadate with expended layer spacing enhanced pH resistance, using one‐step simple hydrothermal gram‐scale method. Experimental analyses density functional theory (DFT) calculations revealed supportive ionic hydrogen bonding interactions between the thin‐layered ] + [V − anion layers, clarifying mechanism of H /Zn 2+ co‐insertion. The synergistic effect these bonds oxygen vacancies increased electronic conductivity significantly reduced diffusion barrier insertion ions, thereby improving rate capability material. an acidic electrolyte, aqueous zinc‐ion batteries employing MNVO cathode exhibited high specific capacity 433 mAh g −1 at 0.1 A . prepared electrodes maximum 237 5 maintained retention 83.5% after 10,000 cycles. This work introduces novel approach for advancing cathodes, paving way in devices.

Language: Английский

Citations

4
Carbonyl-enriched sulfide linked conjugated polymer as a cathode for aqueous zinc ion batteries DOI
Muhammad Sajid, Sami Ur Rahman, Sajida Munsif

et al.

Journal of Energy Storage, Journal Year: 2025, Volume and Issue: 112, P. 115512 - 115512

Published: Jan. 23, 2025

Language: Английский

Citations

0
Molecular Engineering of Organic Electrode Materials for Beyond Lithium‐Ion Batteries DOI Open Access
Yunling Wu,

Hualin Ye,

Yanguang Li

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 14, 2025

Abstract Lithium‐ion batteries (LIBs), known for their high energy density and long cycle life, have become indispensable in everyday applications. Unfortunately, the increasing demand LIBs raises concerns about sustainability of lithium resources. Non‐lithium metal‐ion therefore garnered significant attention due to abundant resources potential cost advantages. Yet, widespread adoption is hindered by limited availability high‐performance cathode materials. Organic electrode materials (OEMs) emerged as promising candidates, owing structural diversity tunability, allowing them accommodate large cations. Despite potential, most OEMs suffer from unsatisfactory cyclability, poor rate performance, low density. This review summarizes recent advancements improving electrochemical performance OEMs, focusing on molecular engineering approaches mitigate dissolution, enhance conductivity The charge storage mechanism current challenges associated with are first discussed. Various strategies designed address these then explored, including linkage improve stability electronic Finally, insights provided future development next‐generation battery technologies beyond LIBs.

Language: Английский

Citations

0
Hydrogen-Bonding Boosted Poly(urea-diaminoanthraquinone)s as Superior Cathode Materials for Lithium-Ion Batteries DOI

Dong Huang,

Baixue Ouyang,

Xinhang Bian

et al.

ACS Applied Polymer Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 20, 2025

Language: Английский

Citations

0
Hydrogel Electrolytes-Based Rechargeable Zinc-Ion Batteries under Harsh Conditions DOI Creative Commons

Zhaoxi Shen,

Zicheng Zhai,

Yu Liu

et al.

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: April 22, 2025

Abstract Rechargeable zinc (Zn)-ion batteries (RZIBs) with hydrogel electrolytes (HEs) have gained significant attention in the last decade owing to their high safety, low cost, sufficient material abundance, and superb environmental friendliness, which is extremely important for wearable energy storage applications. Given that HEs play a critical role building flexible RZIBs, it urgent summarize recent advances this field elucidate design principles of practical This review systematically presents development history, fundamentals, functional designs, challenges, prospects HEs-based RZIBs. Firstly, species, mechanisms are discussed, along compatibility Zn anodes various cathodes. Then, designs harsh conditions comprehensively including high/low/wide-temperature windows, mechanical deformations (e.g., bending, twisting, straining), damages cutting, burning, soaking). Finally, remaining challenges future perspectives advancing RZIBs outlined.

Language: Английский

Citations

0
Intramolecular Hydrogen Bond Modulated the Formation of Exciplex for Highly Efficient Organic Light-Emitting Diodes DOI

Shaogang Shen,

Zhi Pang,

Honglei Gao

et al.

The Journal of Physical Chemistry Letters, Journal Year: 2025, Volume and Issue: unknown, P. 4277 - 4284

Published: April 22, 2025

Although exciplexes with thermally activated delayed fluorescence (TADF) properties have been applied in high-efficiency organic electroluminescent devices, the development of has hindered due to limited material systems and unclear formation mechanisms. Inspired by unusual exciplex emission discovered pyridine solution 2,12-di-tert-butyl-5,9-dithia-13b-boranaphtho[3,2,1-de]anthracene (TSBA) this work, mechanism based on two groups pyridine-based derivative isomeric acceptors 26DCzPPy, 35DCzPPy B2PyPB, B3PyPB B4PyPB was explored accordingly. The difference position substituted can effectively regulate intramolecular N···H hydrogen bonds, which further affects their interaction electron-donating unit TSBA through a conformational locking effect-induced topological rigidification molecule, ultimately determining exciplex. Based mechanism, 35DCzPPy, acceptors, combined donor, display TADF as expected. Among these, 35DCzPPy:TSBA shows excellent property high photoluminescent quantum yield reaching 78%, corresponding device achieves external efficiency 18.72% along small roll-off. An in-depth investigation into influence mechanisms interactions construction work will provide crucial theoretical guidance design strategies for developing novel, highly efficient materials.

Language: Английский

Citations

0
Revealing the Role of Hydrogen in Highly Efficient Ag-Substituted CZTSSe Photovoltaic Devices: Photoelectric Properties Modulation and Defect Passivation DOI Creative Commons
Xiaoyue Zhao, Jingru Li, Chenyang Hu

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)

Published: Dec. 3, 2024

Abstract The presence of Sn Zn -related defects in Cu 2 ZnSn(S,Se) 4 (CZTSSe) absorber results large irreversible energy loss and extra electron–hole non-radiative recombination, thus hindering the efficiency enhancement CZTSSe devices. Although incorporation Ag can effectively suppress significantly improve resulting cell performance, an excellent has not been achieved to date primarily owing poor electrical-conductivity low carrier density film induced by substitution. Herein, this study exquisitely devises Ag/H co-doping strategy via substitution programs followed hydrogen-plasma treatment procedure for achieving efficient In-depth investigation demonstrate that H Ag-based is expected caused Importantly, C=O O–H functional groups hydrogen incorporation, serving as electron donor, interact with under-coordinated cations material, passivating defects. Consequently, appropriate amount mitigates prolongs minority lifetime, yields a champion 14.74%, showing its promising application kesterite-based

Language: Английский

Citations

3
A donor-acceptor conjugated bipolar polymer with multielectron redox sites for long-cycle-life and high-rate aqueous zinc dual-ion batteries DOI

Lian‐Wei Luo,

Shining Zhu,

Wenyan Ma

et al.

Journal of Energy Chemistry, Journal Year: 2024, Volume and Issue: 102, P. 144 - 150

Published: Nov. 6, 2024

Language: Английский

Citations

2
Quinone-Enriched Polymer with a Large π-Conjugated Structure for High-Energy Supercapacitors: Synthesis and Electrochemical Assessment DOI
Yi Zhou,

Qiaoqiao Wei,

Liangzhikun Xiao

et al.

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(8), P. 7399 - 7411

Published: April 10, 2024

Organic synthesis strategies can be used to form particular functional groups and skeleton structures of electrochemically active organic molecules with a reversible faradaic charge transfer suitable for high-efficiency energy storage. In this work, an molecular electrode (OME) is assembled by unique combination quinone-enriched polymers (PDAQs) reduced graphene oxides (rGOs) supercapacitors. Using 1,3,5-benzenetricarboxaldehyde (BA) as bridge, 2,6-diaminoanthraquinone (DAQ) connected in imine linkage create novel polymer (PDAQ) structure. Excellent electrochemical characteristics are achieved result extensive π-conjugation system high density C═O the structural unit PDAQ, while robust π–π interactions between PDAQ rGO improve cycling stability. PDAQ/rGO-0.3 exhibits impressive specific capacitance up 622 F g–1 at 5 mV s–1 exceptional retentions (87.8% 100 s–1) long cycle life. To validate practical storage capability PDAQ/rGO-0.3, asymmetric supercapacitor (ASC) was constructed utilizing 2,5-dihydroxy-1,4-benzoquinone-functionalized (DBQ/rGO) positive electrode. The ASC (PDAQ/rGO-0.3//DBQ/rGO) remarkable 32.97 Wh kg–1 power 605.57 W maintains 88% after undergoing 10 000 cycles. two ASCs were arranged tandem configuration, effectively powering 63 light-emitting diodes (LEDs), demonstrating their prospective potential applications.

Language: Английский

Citations

1