A flexible carbon nanotube@V2O5 film as a high-capacity and durable cathode for zinc ion batteries

Wang, Xiaowei; Wang, Liqun; Bao, Zhenan; Feng, Jianmin; Zhang, Jiafeng; Ou, Xing; Hou, Feng; Liang, Ji

doi:10.1016/j.jechem.2020.10.007

Cited by 94 publications

(50 citation statements)

References 48 publications

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“…To overcome the aforementioned problems and enhance the zinc‐ion storage performance of vanadium oxide‐based cathode materials, two strategies have been mainly adopted: 1) compositing cathode materials with highly conductive carbon materials, and 2) robust architecture design of hollow and/or porous intercalation hosts. [ 30–34 ] The former strategy enables the fast migration of zinc‐ions along the carbonaceous network and the alleviation of volume changes during cycling. [ 30,31 ] Wang et al.…”

Section: Introductionmentioning

confidence: 99%

“…[ 30–34 ] The former strategy enables the fast migration of zinc‐ions along the carbonaceous network and the alleviation of volume changes during cycling. [ 30,31 ] Wang et al. composited vanadium oxide hydrate (H 2 V 3 O 8 ) nanowires with graphene and demonstrated an enhancement in electrochemical properties in terms of cycle stability and rate capability.…”

Section: Introductionmentioning

confidence: 99%

“…A significant improvement in the electrochemical performance of the cathodes for ZIBs has been achieved by adopting these strategies. [ 30–34 ] However, to the best of our knowledge, the effect of nanostructures and conductive carbon materials on ZIBs has not been systemically investigated because of the difficulties in synthesizing porous and/or hollow vanadium oxide materials composited with conductive carbon.…”

Section: Introductionmentioning

confidence: 99%

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Boosting the Electrochemical Performance of V₂O₃ by Anchoring on Carbon Nanotube Microspheres with Macrovoids for Ultrafast and Long‐Life Aqueous Zinc‐Ion Batteries

2021

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Zinc‐ion batteries (ZIBs) are next‐generation energy storage systems with high safety and environmental friendliness because they can be operated in aqueous systems. However, the search for electrode materials with ideal nanostructures and compositions for aqueous ZIBs is in progress. Herein, the synthesis of porous microspheres, consisting of V2O3 anchored on entangled carbon nanotubes (p‐V2O3‐CNT) and their application as cathode for ZIBs is reported. From various analyses, it is revealed that V2O3 phase disappears after the initial charge process, and Zn3+x(OH)2+3xV2−xO7−3x∙2H2O and zinc vanadate (ZnyVOz) phases undergo zinc‐ion intercalation/deintercalation processes from the second cycle. Additionally, the electrochemical performances of p‐V2O3‐CNT, V2O3‐CNT (without macrovoids), and porous V2O3 (without CNTs) microspheres are compared to determine the effects of nanostructures and conductive carbonaceous matrix on the zinc‐ion storage performance. p‐V2O3‐CNT exhibits a high reversible capacity of 237 mA h g−1 after 5000 cycles at 10 A g−1. Furthermore, a reversible capacity of 211 mA h g−1 is obtained at an extremely high current density of 50 A g−1. The macrovoids in V2O3 nanostructure effectively alleviate the volume changes during cycling, and the entangled CNTs with high electrical conductivity assist in achieving fast electrochemical kinetics.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Boosting the Electrochemical Performance of V₂O₃ by Anchoring on Carbon Nanotube Microspheres with Macrovoids for Ultrafast and Long‐Life Aqueous Zinc‐Ion Batteries

2021

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“…As for CNTs and graphene, they can be directly used as the electrode active materials of batteries and SCs due to their high electronic conduction, large surface area, and adjustable electrochemical activity. 3,52 Apart from the above functions, nanocarbon assemblies (e.g., CNT-and graphene-based fibers and membranes) can act as ideal flexible substrate materials for integrated devices to achieve flexibility, portability, and wearability. 53,54 In brief, it is clear that carbon materials and their analogs play very critical roles in the configuration design and the performance improvement of integrated devices.…”

Section: Introductionmentioning

confidence: 99%

“…Carbon coatings on the surface of electrode materials can also enhance the cyclic stability of the EES units in integrated devices. As for CNTs and graphene, they can be directly used as the electrode active materials of batteries and SCs due to their high electronic conduction, large surface area, and adjustable electrochemical activity 3,52 …”

Section: Introductionmentioning

confidence: 99%

Photo‐rechargeable batteries and supercapacitors: Critical roles of carbon‐based functional materials

et al. 2021

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As a clean and renewable energy source, solar energy is a competitive alternative to replace conventional fossil fuels. Nevertheless, its serious fluctuating nature usually leads to a poor alignment with the actual energy demand. To solve this problem, the direct solar-to-electrochemical energy conversion and storage have been regarded as a feasible strategy. In this context, the development of high-performance integrated devices based on solar energy conversion parts (i.e., solar cells or photoelectrodes) and electrochemical energy storage units (i.e., rechargeable batteries or supercapacitors [SCs]) has become increasingly necessary and urgent, in which carbon and carbon-based functional materials play a fundamental role in determining their energy conversion/storage performances. Herein, we summarize the latest progress on these integrated devices for solar electricity energy conversion and storage, with special emphasis on the critical role of carbon-based functional materials. First, principles of integrated devices are introduced, especially roles of carbon-based materials in these hybrid energy devices. Then, two major types of important integrated devices, including photovoltaic and photoelectrochemicalrechargeable batteries or SCs, are discussed in detail. Finally, key challenges and opportunities in the future development are also discussed. By this review, we hope to pave an avenue toward the development of stable and efficient devices for solar energy conversion and storage. K E Y W O R D S carbon-based materials, electrochemical energy storage, integrated devices, photoelectric conversion, solar energyThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Chemically Processed Porous V₂O₅ Thin‐Film Cathodes for High‐Performance Thin‐film Zn‐Ion Batteries

Luo,

Cao,

Naresh

et al. 2024

Adv Funct Materials

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Thin‐film rechargeable batteries have a wide range of applications due to their unique properties such as small size, thinness, and the ability to power smart devices, including portable electronic devices, medical devices, smart cards, RFID tags, and Internet of Things (IoT) devices. Processing thin‐film electrodes for these batteries generally relies on standard physical vapor deposition technologies. However, producing porous thin‐films using these techniques presents significant challenges. Here, a rapid and cost‐effective chemical route for processing porous vanadium oxide (V2O5) thin‐film cathodes for application in Zinc‐ion‐based thin‐film batteries (Zn‐TFBs) is explored. The V2O5 precursor process uses an industrially viable spraying technique, which not only offers impressive charge storage performance of an areal capacity of 47.34 µAh cm−2, areal energy of 50.18 µWh cm−2, and areal power of 53 µW cm−2 at 50 µA cm−2 in the optimized gel‐electrolyte composition. This study introduces a cost‐effective and industrially viable method for processing highly porous thin‐film cathodes, enabling the production of high‐performance, affordable, and safer thin‐film batteries.

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A flexible carbon nanotube@V2O5 film as a high-capacity and durable cathode for zinc ion batteries

Cited by 94 publications

References 48 publications

Boosting the Electrochemical Performance of V₂O₃ by Anchoring on Carbon Nanotube Microspheres with Macrovoids for Ultrafast and Long‐Life Aqueous Zinc‐Ion Batteries

Boosting the Electrochemical Performance of V₂O₃ by Anchoring on Carbon Nanotube Microspheres with Macrovoids for Ultrafast and Long‐Life Aqueous Zinc‐Ion Batteries

Photo‐rechargeable batteries and supercapacitors: Critical roles of carbon‐based functional materials

Chemically Processed Porous V₂O₅ Thin‐Film Cathodes for High‐Performance Thin‐film Zn‐Ion Batteries

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A flexible carbon nanotube@V2O5 film as a high-capacity and durable cathode for zinc ion batteries

Cited by 94 publications

References 48 publications

Boosting the Electrochemical Performance of V2O3 by Anchoring on Carbon Nanotube Microspheres with Macrovoids for Ultrafast and Long‐Life Aqueous Zinc‐Ion Batteries

Boosting the Electrochemical Performance of V2O3 by Anchoring on Carbon Nanotube Microspheres with Macrovoids for Ultrafast and Long‐Life Aqueous Zinc‐Ion Batteries

Photo‐rechargeable batteries and supercapacitors: Critical roles of carbon‐based functional materials

Chemically Processed Porous V2O5 Thin‐Film Cathodes for High‐Performance Thin‐film Zn‐Ion Batteries

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Boosting the Electrochemical Performance of V₂O₃ by Anchoring on Carbon Nanotube Microspheres with Macrovoids for Ultrafast and Long‐Life Aqueous Zinc‐Ion Batteries

Boosting the Electrochemical Performance of V₂O₃ by Anchoring on Carbon Nanotube Microspheres with Macrovoids for Ultrafast and Long‐Life Aqueous Zinc‐Ion Batteries

Chemically Processed Porous V₂O₅ Thin‐Film Cathodes for High‐Performance Thin‐film Zn‐Ion Batteries