Structural Isomers: Small Change with Big Difference in Anion Storage DOI Creative Commons

Huichao Dai,

Yuan Chen,

Yueyue Cao

et al.

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 16(1)

Published: Nov. 13, 2023

Abstract Organic electrode materials are promising for batteries. However, the reported organic electrodes often facing challenges of low specific capacity, voltage, poor rate capability and vague charge storage mechanisms, etc. Isomers good platform to investigate mechanisms enhance performance batteries, which, however, have not been focused in Herein, two isomers As a result, isomer tetrathiafulvalene (TTF) could store monovalent anions reversibly, deriving an average discharge voltage 1.05 V capacity 220 mAh g −1 at current density 2 C. On other hand, tetrathianaphthalene only reversibly one anion upon further oxidation, it would undergo irreversible solid-state molecular rearrangement TTF. The was confirmed by electrochemical performances, X-ray diffraction patterns, nuclear magnetic resonance spectra, 1 H detected heteronuclear multiple bond correlation spectra. These results suggested small structural change lead big difference storage, we hope this work will stimulate more attention design boosting

Language: Английский

A Sulfur Heterocyclic Quinone Cathode Towards High‐Rate and Long‐Cycle Aqueous Zn‐Organic Batteries DOI

Qiqi Sun,

Tao Sun,

Jia‐Yi Du

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(22)

Published: April 10, 2023

Organic materials have attracted much attention in aqueous zinc-ion batteries (AZIBs) due to their sustainability and structure-designable, but further development is hindered by the high solubility, poor conductivity, low utilization of active groups, resulting cycling stability, terrible rate capability, capacity. In order solve these three major obstacles, a novel organic host, benzo[b]naphtho[2',3':5,6][1,4]dithiino[2,3-i]thianthrene-5,7,9,14,16,18-hexone (BNDTH), with abundant electroactive groups stable extended π-conjugated structure synthesized composited reduced graphene oxide (RGO) through solvent exchange composition method act as cathode material for AZIBs. The well-designed BNDTH/RGO composite exhibits capacity 296 mAh g-1 (nearly full groups), superior capability 120 , long lifetime 58 000 cycles retention 65% at 10 A . Such excellent performance can be attributed ingenious structural design molecule, well unique strategy that enables effective dispersion excess charge on molecule during discharge/charge process. This work provides important insights rational has significant guidance realizing ideal

Language: Английский

Citations

68
Dynamic Balance of Partial Charge for Small Organic Compound in Aqueous Zinc‐Organic Battery DOI

Tianjiang Sun,

Zhehan Yi, Weijia Zhang

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(47)

Published: July 8, 2023

Abstract Organic cathodes for aqueous zinc‐ion batteries (AZIBs) feature intrinsic flexibility and favorable kinetics, but they suffer from high solubility. Herein, a partial charge regulation strategy is deployed by designing small organic molecule with extended π ‐conjugated plane, namely benzo[i]benzo[6′,7′]quinoxalino[2′,3′:9,10]phenanthro[4,5‐abc]phenazine‐5,10,16,21‐tetraone (PTONQ). The equalization of active sites induced the plane PTONQ combined aromaticity renders low solubility, fast transfer, structural stability. fabricated Zn//PTONQ battery cycles more than 500 h at 175 mA g −1 capacity reduction, charged/discharged anti‐freeze performance (below ‐20°C). By series ex situ characterizations, it attested that originates mainly Zn 2+ insertion/removal without H + incorporation, which also accounts formation x (CF 3 SO ) y (OH) 2x‐y ·nH 2 O by‐products. This result benefits understanding by‐product mechanism cathode paves new way to advance Zn‐organic batteries.

Language: Английский

Citations

60
Designing a solubility-limited small organic molecule for aqueous zinc-organic batteries DOI

Tianjiang Sun,

Weijia Zhang,

Zhengtai Zha

et al.

Energy storage materials, Journal Year: 2023, Volume and Issue: 59, P. 102778 - 102778

Published: April 15, 2023

Language: Английский

Citations

48
Non‐Metallic NH4+/H+ Co‐Storage in Organic Superstructures for Ultra‐Fast and Long‐Life Zinc‐Organic Batteries DOI
Yehui Zhang, Ziyang Song, Ling Miao

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 63(3)

Published: Nov. 28, 2023

Compared with Zn

Language: Английский

Citations

47
A Sustainable Dual Cross-Linked Cellulose Hydrogel Electrolyte for High-Performance Zinc-Metal Batteries DOI Creative Commons
Haodong Zhang, Xiaotang Gan, Yuyang Yan

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: Feb. 2, 2024

Aqueous rechargeable Zn-metal batteries (ARZBs) are considered one of the most promising candidates for grid-scale energy storage. However, their widespread commercial application is largely plagued by three major challenges: The uncontrollable Zn dendrites, notorious parasitic side reactions, and sluggish

Language: Английский

Citations

45
Versatile MXenes for Aqueous Zinc Batteries DOI Creative Commons
Huan Liu,

Zijun Xin,

Bin Cao

et al.

Advanced Science, Journal Year: 2023, Volume and Issue: 11(8)

Published: Nov. 20, 2023

Abstract Aqueous zinc‐ion batteries (AZIBs) are gaining popularity for their cost‐effectiveness, safety, and utilization of abundant resources. MXenes, which possess outstanding conductivity, controllable surface chemistry, structural adaptability, widely recognized as a highly versatile platform AZIBs. MXenes offer unique set functions AZIBs, yet significance has not been systematically summarized. This review article provides an up‐to‐date overview MXenes‐based electrode materials with focus on the in these materials. The discussion starts derivatives cathode side, where they serve 2D conductive substrate, 3D framework, flexible support, coating layer. can act both active material precursor to cathode. On anode include host, zinc metal protection, electrolyte additive, separator modification. also highlights technical challenges key hurdles that currently face

Language: Английский

Citations

42
Unveiling Organic Electrode Materials in Aqueous Zinc-Ion Batteries: From Structural Design to Electrochemical Performance DOI Creative Commons

Dujuan Li,

Yuxuan Guo,

Chenxing Zhang

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: May 14, 2024

Aqueous zinc-ion batteries (AZIBs) are one of the most compelling alternatives lithium-ion due to their inherent safety and economics viability. In response growing demand for green sustainable energy storage solutions, organic electrodes with scalability from inexpensive starting materials potential biodegradation after use have become a prominent choice AZIBs. Despite gratifying progresses molecules electrochemical performance in AZIBs, research is still infancy hampered by certain issues underlying complex electrochemistry. Strategies designing electrode AZIBs high specific capacity long cycling life discussed detail this review. Specifically, we put emphasis on unique electrochemistry different redox-active structures provide in-depth understanding working mechanisms. addition, highlight importance molecular size/dimension regarding profound impact performances. Finally, challenges perspectives developing point view future We hope valuable evaluation our context give inspiration rational design high-performance

Language: Английский

Citations

28
Activating the redox chemistry of MnO2/Mn2+ in aqueous Zn batteries based on multi-ions doping regulation DOI
Yajun Zhao, Xiaoyu Xia,

Qi Li

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: 67, P. 103268 - 103268

Published: Feb. 15, 2024

Language: Английский

Citations

23
Solvent-guided nanoarchitecturing of heterodiatomic carbon superstructures for high-performance zinc-ion hybrid capacitors DOI
Qi Huang, Lu Huang,

Yaowei Jin

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 482, P. 148912 - 148912

Published: Jan. 22, 2024

Language: Английский

Citations

20
Bipolar conjugated microporous polymer anchoring graphene hybrids for high-performance zinc–organic batteries DOI

Chengmin Hu,

Yumin Chen, Ziyang Song

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(21), P. 12818 - 12825

Published: Jan. 1, 2024

A superior molecular design allows a bipolar conjugated microporous polymer to be firmly anchored on the rGO surface. The unique anchoring structure realizes alternate Zn 2+ /CF 3 SO − ion storage while providing high capacity and an ultra-long lifespan for zinc–organic batteries.

Language: Английский

Citations

18