ACS Applied Materials & Interfaces
·
2019
·
IF 8.456
Ying Liu,Luoyuan Xie,Wang Zhang,Ziwen Dai,Wei Wei,Shaojuan Luo,Xian Chen,Wei Chen,Feng Rao,Lei Wang,Yang Huang
Owing to its electronic conductivity and electrochemical reactivity, polyaniline (PANI) can serve as the cathode for rechargeable zinc-ion batteries (ZIBs). However, it suffers from fast deactivation and thus performance deterioration because of spontaneous deprotonation during charge/discharge. Here, we report an effective strategy to improve the electrochemical reactivity and stability of the PANI-based cathode by constructing a π-electron conjugated system between PANI and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) on carbon nanotubes (CNTs). The impressive performance of the post-treated CNTs–PANI–PEDOT:PSS (t-CNTs–PA–PE) cathode is largely attributed to the −SO3–H+ groups in PSS, which acts as an internal proton reservoir and provides enough H+ for PANI’s protonation, thus promoting its electrochemical activity and reversibility. Besides, the strong interactions between PANI and PEDOT:PSS assist the stretching of π–π conjugation chains, bringing about enhanced electronic conductivity. Consequently, the t-CNTs–PA–PE cathode achieves a high capacity of 238 mA h g–1, together with good rate capability and long-term stability (over 1500 cycles with 100% Coulombic efficiency). Through exerting the freestanding t-CNTs–PA–PE, a flexible ZIB was further constructed with both outstanding electrochemical properties and superior high safety. This work demonstrates the availability of conducting polymer cathodes for high-performance ZIBs, fulfilling the need of flexible electronics.
研究领域:
材料科学
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能源存储
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Energies
·
2022
·Vol. 15
·期 13
·4932
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IF 3.252
Zeyan Zhou,Taotao Zeng,Haoran Zhang,Ding Chen
Vanadium nitride (VN) with a wide working window has been identified as a promising electrode material candidate for batteries due to the high specific capacitance and the excellent electrical conductivity. Here, we have successfully prepared VCN nanobelts, which display mesoporous structure with high specific surface area (54.4 m2g−1) and the total pore volume was 0.266 cm3g−1. Furthermore, the prepared flexible Zn-ion battery (FZIB) with VCN-5 not only exhibited high specific capacitance (81 μAh cm−2), excellent rate capability, and long cyclic durability (77% after 1000 cycles at 0.6 mA cm−2) but also had the characteristics of flexibility. This FZIB is important to reduce the difficulty in thermal management and can be used in a series of applications, including wearable electric devices.
研究领域:
材料科学
·
能源存储与转换
✓ 已验证
DOI
高影响因子
Journal of Materials Chemistry A
·
2021
·Vol. 9
·期 15
·9675-9684
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IF 12.732
Fei Li,Yi-Lin Liu,Gui-Gen Wang,Dong Yan,Gui-Zhong Li,Hai-Xu Zhao,Hua-Yu Zhang,Hui-Ying Yang
With the increased development of wearable electronics, flexible zinc ion batteries (ZIBs) have attracted widespread attention owing to their low cost, superior safety, and simple fabrication process. Nevertheless, the limited active mass loading and low specific capacity remain challenges to be overcome. Herein, an effective in situ growth strategy is used to boost the mass loading and specific capacity of flexible ZIBs. We employed a mussel-derived polydopamine layer as an inductive catalyst to prompt the growth of flower-like δ-MnO2 on carbon cloth, which demonstrated strong adhesion to the surface, high mass loading, and excellent flexibility. In addition, the formed 3D conductive and supporting networks contribute to the realization of superior long cycle life, as well as a high specific capacity. As a result, the as-obtained flexible cathode can achieve a high initial discharge capacity of 1.3 mA h cm−2 at a current density of 1 mA cm−2 and a reversible capacity of 0.25 mA h cm−2 at 10 mA cm−2 for 10 000 cycles. Moreover, its reaction mechanism in ZIBs was analyzed via a series of ex situ characterization techniques, and the results suggest that the charge–discharge behavior is determined based on the Zn2+ (de-)intercalation in the δ-MnO2 interlayer. Remarkably, the as-developed flexible cathode is assembled into a flexible quasi-solid-state device, which shows excellent flexibility and can easily power one LED-based device, which has significant application prospects in wearable electronics. This work provides a novel tactic for the design of flexible batteries with high active mass loading and excellent electrochemical performance via employing polydopamine as an inductive catalyst.
研究领域:
材料科学
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能源存储技术
✓ 已验证
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Yuning Sun,Yuexin Liu,Zhongqiang Wang,Xiaoli Zhao,Kefeng Cai
The increasing demand for flexible and wearable electronic devices has led to widespread interest in flexible electrochemical energy storage devices. However, the transformation of the battery structure from conventional to flexible presents a great challenge to the battery design. Herein, we developed a facile method for the preparation of a self-supporting composite film consisting of oxygen-vacancy rich MnO 2 nanowires (NWs), few-layer graphite nanosheets (FLGs), and single-walled carbon nanotube (SWNT) bundles as the cathode of flexible zinc-ion batteries. This ternary interwoven interconnection 3D structure enhances the electrochemical performance of the battery and realizes fast charge transfer; oxygen vacancies in the MnO 2 NWs caused by heat treatment (300 °C in Ar) allow for rapid intercalation and diffusion of Zn 2+ . The interwoven FLGs and SWNT bundles improve the electrical conductivity, and the robust interactions between the two carbon nanomaterials and the MnO 2 NWs effectively make the composite film with excellent mechanical properties. This self-supporting flexible electrode exhibits a high specific capacity of 374 mAh/g at 0.4 A/g, maintains a Coulombic efficiency of ∼ 100 % after 1600 cycles at 2 A/g, and has a high energy density of 651.5 Wh kg −1 at 65.2 W kg −1 . Moreover, the flexible zinc ion batteries assembled with the electrode demonstrate good mechanical properties and a high reversible specific capacity of 343 mAh/g after 75 bending cycles. Based on these findings, we believe that this composite film holds great promise as a cathode material in flexible energy storage applications.
研究领域:
材料科学
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电化学
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能源存储
✓ 已验证
产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Hui Wang,Bo Zhao,Wanxing Li,Yumeng Liu,Ling Li,Youwei Zhao,Wenming Zhang
Flexible wearable electronic devices function as pivotal interfaces for environmental interaction, yet their widespread application encounters formidable bottlenecks due to limited energy supply and multifunctionality. Herein, the piezo-ionic effect has been innovatively applied to polyacrylamide (PAM)/polyvinylidene fluoride UiO-66 MOF(PPM) composite membranes for multifunctional sensing in stress monitoring and optical response, as well as dendrite-free flexible zinc-ion batteries. Exploiting the piezoelectric-induced piezo-ionic effect, the sensor achieves remarkable performance with ultra-fast response/recovery times (10 ms/18 ms) and an impressive maximum electrical output of 23.64 μA. The high-performance sensing mechanism has been confirmed through finite element simulations. Furthermore, the polarized electric field of the fiber instigates ion deposition, enabling the composite membrane to be utilized in zinc-ion batteries for the first time, effectively inhibiting zinc dendrite formation. Consequently, the flexible battery exhibits a symmetrical cycle of up to 2000 h and maintains a stable high capacity of 150 mAhg −1 . Additionally, the multifunctional sensing system constructed with composite membrane is applied to monitor light responses, facial expressions, and motion, while also providing intelligent guidance for multi-scene-target accuracy exercises with an accuracy exceeding 94 %. The composite membrane stands as a promising material with substantial potential to propel significant advancements in the development of flexible electronic devices.
研究领域:
材料科学
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电子工程
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能源技术
✓ 已验证
产品关联
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2025
·
IF 8.2
Chenglong Chen,Keren Lu,Yicheng Wang,Ru Cheng,Tingting Xiang,Mingzhu Xia,Fengyun Wang,Wu Lei,Juan Yang,Sanjay Mathur,Qingli Hao
The growing need for multifunctional wearable electronics for mobile applications has triggered the demand for flexible and reliable energy storage devices. 3D printing technology has emerged as a promising and attractive method for manufacturing these devices. This study presents the design and fabrication of a flexible quasi-solid-state Zn-ion battery using the direct-writing 3D printing technique. A conductive silver paste with high conductivity was printed onto a PET substrate to serve as the current collector. The cathode was fabricated from carbon-coated MnO2 nanorods produced using hydrothermal methods, while the anode consisted of commercial zinc powder. The cathode and anode slurries exhibiting excellent viscoelasticity were 3D printed on the current collector. To complete the flexible quasi-solid-state zinc-ion battery, a PVA gel electrolyte was printed onto the PET substrate. This battery delivered an initial capacity of 267.3 mAh g–1 and maintained a capacity of 189.7 mAh g–1 after 500 cycles at a current density of 0.2 A g–1. Furthermore, the 3D printed battery successfully powered a portable human heart rate sensor, showcasing the potential of 3D printing technology as an environmentally friendly, cost-effective, and scalable solution for wearable energy storage devices.
研究领域:
材料科学
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能源存储
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生物医学工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ADVANCED MATERIALS
·
2023
·Vol. 35
·期 36
·2301996
·
IF 29.4
Huan Xia,Gang Xu,Xin Cao,Chunyang Miao,Hanning Zhang,Pengyu Chen,Yang Zhou,Wei Zhang,ZhengMing Sun
Flexible zinc-ion batteries (ZIBs) with high capacity and long cycle stability are essential for wearable electronic devices. Hydrogel electrolytes have been developed to provide ion-transfer channels while maintaining the integrity of ZIBs under mechanical strain. However, hydrogel matrices are typically swollen with aqueous salt solutions to increase ionic conductivity, which can hinder intimate contact with electrodes and reduce mechanical properties. To address this, a single-Zn-ion-conducting hydrogel electrolyte (SIHE) is developed by integrating polyacrylamide network and pseudo-polyrotaxane structure. The SIHE exhibits a high Zn 2+ transference number of 0.923 and a high ionic conductivity of 22.4 mS cm −1 at room temperature. Symmetric batteries with SIHE demonstrate stable Zn plating/stripping performance for over 160 h, with a homogenous and smooth Zn deposition layer. Full cells with La-V 2 O 5 cathodes exhibit a high capacity of 439 mA h g −1 at 0.1 A g −1 and excellent capacity retention of 90.2% after 3500 cycles at 5 A g −1 . Moreover, the flexible ZIBs display stable electrochemical performance under harsh conditions, such as bending, cutting, puncturing, and soaking. This work provides a simple design strategy for single-ion-conducting hydrogel electrolytes, which could pave the way for long-life aqueous batteries.
研究领域:
材料科学
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电化学
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能源存储
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Qingqing Zheng,Liyang Liu,Zewei Hu,Zhenwei Tang,Haiying Lu,Yunqi Gao,Jiayao Wang,Yijian Song,Chao Han,Weijie Li
Hydrogel electrolytes are favored for flexible zinc-ion batteries (FZIBs) due to their biocompatibility. Their application progress, however, is severely restricted by the poor water retention and low Zn 2+ transference number (t Zn 2+ ). Herein, one composite polymer electrolyte (CPE) is prepared by introducing Prussian blues (PBs) as multifunctional fillers in polyvinyl alcohol (PVA) matrix to enhance t Zn 2+ . Experimental and theoretical characterizations confirm that the PB filler can alter the Zn 2+ migration mechanism and trap water of CPE. PBs as active fillers can provide extra zinc ions and unique 3D ion diffusion channels. Moreover, the metal centers in PB framework that function as the Lewis acid sites have good affinity with anions in Zn salt, facilitating the dissociation of Zn salt. Additionally, the PB framework can absorb coordination water, enhancing the anti-dehydration capability and the ionic conductivity of the hydrogel electrolytes. Consequently, P-15/Zn-15 hydrogel electrolyte shows high ionic conductivity of 16.3 mS cm⁻ 1 and t Zn 2+ of 0.63. The Zn||Zn symmetric cells with P-15/Zn-15 hydrogel electrolyte can stably operate for 1 600 h at 50 °C. The Zn||P-15/Zn-15|| NaV 3 O 8 ·1.5H 2 O full cell exhibits excellent cycling performance of 1 600 cycles.
研究领域:
材料科学
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电化学
·
能源存储
✓ 已验证
产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Runfeng Yu,Yunfei Xu,Xuxian Liu,Guoxin Zhang,Huiping Du,Ze Yang,Yaqun Wang
Currently, the utilization of flexible zinc ion batteries offers significant safety advantages for flexible energy storage devices. However, the limited mass-loading of these batteries presents a challenge to their long-term operation in such devices, thereby hindering further advancements. To address this, we present a mechanically flexible zinc-ion battery featuring a screen-printed PANI cathode. This battery achieves high loading and low weight, resulting in an energy density of 1.247mAh cm −2 and a maximum mass-loading of 15.78 mg cm −2 . Notably, the battery demonstrates excellent electrochemical performance, even when subjected to challenging conditions like hammering, sewing, stretching, cutting and bending.
研究领域:
材料科学
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电化学
·
能源存储
✓ 已验证
产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Wen-Long Cheng,Zi-Qiang Cheng,Zi-Zi Hu,Ming-Ming Hu,Guang-Xian Liu,Lin-Feng Yuan,Yan-Hui Fu,Xiao-Mei Sha,Zong-Cai Tu
Aqueous zinc-ion batteries (ZIBs) have emerged as promising next-generation energy storage solutions due to their high safety. Hydrogel electrolytes have garnered intensive interest for their applications in flexible ZIBs, combining mechanical flexibility with dendrite-suppression capabilities. However, conventional hydrogels suffer from three critical limitations: insufficient mechanical robustness, interfacial instability, and excessive salt dependence. Herein, we report a novel fish gelatin (FG)-modified polyacrylamide (PAM) hydrogel electrolyte fabricated via a facile protein chain network repair strategy. The optimized FG/PAM hydrogel electrolyte with 1 M ZnSO 4 exhibits superior mechanical properties, enabling ZIBs with flexible dendrite-free and prolonged lifespan. Specifically, the FG-modified hydrogel achieved a compressive strength exceeding 1078 kPa under 90 % compression and showed strong adhesion to diverse substrates. Electrochemically, the FG/PAM electrolyte exhibits excellent corrosion resistance and zinc-nucleation regulation capabilities, delivering a stable coulombic efficiency (CE) of 99.26 % and cycling stability over 2238 h. These results highlight the FG/PAM hydrogel in addressing mechanical integrity, interfacial compatibility, and long-term cyclability, providing a viable pathway for advanced flexible energy storage devices.
✓ 已验证
产品关联
DOI
高影响因子
Materials Today Energy
·
2019
·
IF 0
Yuan Huang,Jiyan Zhang,Jiuwei Liu,Zixuan Li,Shunyu Jin,Zigang Li,Shengdong Zhang,Hang Zhou
Flexible zinc ion batteries (ZIBs) have been regarded as alternative portable energy storage technology for wearable or flexible electronics due to their low cost and high safety performance. Development of stable solid-state electrolyte with high ionic conductivity is a key to the practical application of ZIBs. Herein, we construct a high rate performance and long cycling life quasi-solid-state ZIB using guar gum bio-polymer electrolyte. The eco-friendly electrolyte synthesized in this work is highly flexible and conductive (1.07 × 10 −2 S cm −1 at room temperature). As a result, our flexible quasi-solid-state ZIBs deliver a high specific capacity (308.2 mAh g −1 at 0.3 A g −1 ), and fast charging and discharging capability (131.6 mAh g −1 at 6.0 A g −1 ). The elastic guar gum electrolyte can effectively suppress the formation of zinc dendrites during cycling, leading to a remarkable cycling cyclability (100% capacity retention after 1900 cycles, 85% capacity retention after 2000 cycles at 6.0 A g −1 ) and high bending durability (81.3% capacity retention after continuously bending to 180° for 1000 cycles). Moreover, the solid-state ZIBs with guar gum electrolyte also function in a wide temperature window (5–45 °C) and deliver a better low-temperature performance than that with aqueous electrolyte. To the best of our knowledge, this is the first work that demonstrates high-performance ZIBs with guar gum as the electrolyte, and achieves the best cycling performance ever reported for ZIBs (Zn–MnO 2 ) with solid-state electrolyte.
研究领域:
能源存储技术
·
材料科学
·
电化学
✓ 已验证
DOI
ADVANCED MATERIALS
·
2025
·
IF 26.8
Huan Xia,Tao Shui,Xiaotian Wan,Yixi Chen,Fengyi Wang,Chunyang Miao,Xin Cao,Bingyige Pan,Zihe Pan,Qian Xie,Ye Chen,Wei Zhang,ZhengMing Sun
Flexible aqueous zinc-ion batteries (ZIBs) are promising candidates for next-generation wearable electronics and soft robotics, yet their development is hindered by the non-selective ion transport of conventional hydrogel electrolytes, which induces concentration polarization, uneven Zn 2+ flux, and dendrite formation, ultimately causing battery failure. Here, a microphase-separated single-zinc-ion conducting hydrogel electrolyte (SIHE) constructed via polymer chain disentanglement within a polyanionic zinc-alginate (ZA) matrix is reported. Due to the pronounced steric disparity between Zn 2+ and the alginate chains, ZA holds intrinsic potential for ion-selective transport. However, spontaneous chain entanglement within the alginate network under the applied electric field severely impedes the formation of continuous ion transport pathways, limiting Zn 2+ conduction. By incorporating Nafion, well-defined hydrophilic/hydrophobic domains are induced that simultaneously relax the entangled polymer network and establish continuous Zn 2+ -conducting pathways. This microstructural engineering enables a high Zn 2+ transference number of 0.967 and ionic conductivity of 25.5 mS cm −1 , resolving the long-standing trade-off between ion selectivity and transport kinetics. The zinc-alginate/Nafion (ZA/N) electrolyte enables dendrite-free cycling for over 4600 h. The ZA/N-based flexible ZIB retains 90% capacity after 5000 cycles at 10 A g −1 . This work presents a general strategy to engineer high-performance SIHEs for safe and durable flexible zinc-ion batteries.
研究领域:
储能
·
材料科学
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电化学
·
柔性电子学
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电池技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）