Husam N. Alshareef

King Abdullah University of Science and Technology

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Yongjiu Lei

King Abdullah University of Science and Technology

Chuan Xia

University of Electronic Science and Technology of China

Wenli Zhang

Guangdong University of Technology

Mohamed Nejib Hedhili

King Abdullah University of Science and Technology

Hanfeng Liang

Tan Kah Kee Innovation Laboratory

Jian Yin

Baotou Research Institute of Rare Earths

Omar F. Mohammed

King Abdullah University of Science and Technology

Jun Ming

Changchun Institute of Applied Chemistry

Qiu Jiang

University of Electronic Science and Technology of China

Fangwang Ming

King Abdullah University of Science and Technology

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King Abdullah University of Science and Technology

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Chinese Academy of Sciences

University of Chinese Academy of Sciences

University of Science and Technology of China

Zhejiang University

Tsinghua University

Kootenay Association for Science & Technology

Soochow University

Xi'an Jiaotong University

Wuhan University of Technology

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Electrochemical Zinc Ion Capacitors Enhanced by Redox Reactions of Porous Carbon Cathodes

Advanced Energy Materials (2020)

Jian Yin Wenli Zhang Wenxi Wang Nuha A. Alhebshi Numan Salah

Abstract Aqueous electrochemical zinc ion capacitors (ZICs) are promising next‐generation energy storage devices because of their high safety, inexpensive raw materials, and long cycle life. Herein, an aqueous ZIC with superior performance is fabricated by employing an oxygen‐rich porous carbon cathode. Excellent capacitance and energy density are obtained thanks to the electric double‐layer capacitance of porous carbon, and additional pseudocapacitances originating from the variation in oxidation states of oxygen functional groups and the reversible electrochemical hydrogen adsorption and desorption during each round‐trip charge–discharge cycle. Moreover, the cycling stability of ZIC is effectively prolonged by suppressing zinc dendrite growth with a simple surface carbon coating strategy. The assembled ZIC delivers a high capacitance of 340.7 F g −1 , a high capacity of 179.8 mAh g −1 in a wide voltage window of 0–1.9 V, a maximum energy density of 104.8 Wh kg −1 , and an ultrahigh power density of 48.8 kW kg −1 . Furthermore, the as‐fabricated aqueous ZIC exhibits an ultralong cycle life of 30 000 cycles with a high capacity retention of 99.2%. This work provides a novel design strategy by incorporating reversible hydrogen and oxygen redox reactions to enhance the energy storage capability of aqueous ZICs toward practical energy storage applications.

Carbon fibers

Charge cycle

Oxygen evolution

Power density

10.1002/aenm.202001705

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Citations (247)

Layered Mg_xV₂O₅·nH₂O as Cathode Material for High-Performance Aqueous Zinc Ion Batteries

ACS Energy Letters (2018)

Fangwang Ming Hanfeng Liang Yongjiu Lei Sharath Kandambeth Mohamed Eddaoudi

The performance of chemically intercalated V2O5 was found to strongly depend on the interlayer spacing, which is related to the radius of hydrated metal ion, which can be readily tuned by using different intercalated metals. We report a layered Mg2+-intercalated V2O5 as the cathode material for aqueous ZIBs. The large radius of hydrated Mg2+ (∼4.3 Å, compared with 3.8 Å of commonly used Li+) results in an interlayer spacing as large as 13.4 Å (against 11.07 Å for Li+-intercalated V2O5), which allows efficient Zn2+ (de)insertion. As a result, the obtained porous Mg0.34V2O5·0.84H2O cathodes work in a wide potential window of 0.1 to 1.8 V versus Zn2+/Zn, and can deliver high capacities of 353 and 264 mA h g–1 at current densities of 100 and 1000 mA g–1, respectively, along with long-term durability. Furthermore, the reversible Zn2+ (de)intercalation reaction mechanism is confirmed by multiple characterizations methods.

10.1021/acsenergylett.8b01423

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Citations (666)

Carbon nanotube-coated macroporous sponge for microbial fuel cell electrodes

Energy & Environmental Science (2011)

Xing Xie Meng Ye Liangbing Hu Nian Liu James R. McDonough

The materials that are used to make electrodes and their internal structures significantly affect microbial fuel cell (MFC) performance. In this study, we describe a carbon nanotube (CNT)–sponge composite prepared by coating a sponge with CNTs. Compared to the CNT-coated textile electrodes evaluated in prior studies, CNT–sponge electrodes had lower internal resistance, greater stability, more tunable and uniform macroporous structure (pores up to 1 mm in diameter), and improved mechanical properties. The CNT–sponge composite also provided a three-dimensional scaffold that was favorable for microbial colonization and catalytic decoration. Using a batch-fed H-shaped MFC outfitted with CNT–sponge electrodes, an areal power density of 1.24 W m−2 was achieved when treating domestic wastewater. The maximum volumetric power density of a continuously fed plate-shaped MFC was 182 W m−3. To our knowledge, these are the highest values obtained to date for MFCs fed domestic wastewater: 2.5 times the previously reported maximum areal power density and 12 times the previously reported maximum volumetric power density.

Sponge

Power density

Internal resistance

Carbon fibers

10.1039/c1ee02122b

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Citations (310)

Regulating the redox reversibility of zinc anode toward stable aqueous zinc batteries

Nano Energy (2022)

Jian Yin Yizhou Wang Yunpei Zhu Junjie Jin Cailing Chen

Galvanic anode

Overpotential

10.1016/j.nanoen.2022.107331

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Citations (72)

Contents list

Energy & Environmental Science (2024)

Martin J. Hillenbrand Christoph Helbig Roland Marschall Xin Zhao Zhiqiang Fu

10.1039/d4ee90026j

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New Insight on the Role of Electrolyte Additives in Rechargeable Lithium Ion Batteries

ACS Energy Letters (2019)

Jun Ming Zhen Cao Yingqiang Wu Wandi Wahyudi Wenxi Wang

Solid electrolyte interphase (SEI)-forming agents such as vinylene carbonate, sulfone, and cyclic sulfate are commonly believed to be film-forming additives in lithium-ion batteries that help to enhance graphite anode stability. However, we find that the film-forming effect and the resultant SEI may not be the only reasons for the enhanced graphite stability. This is because the as-formed SEI cannot inhibit Li+–solvent co-intercalation once the additive is removed from the electrolyte. Instead, we show that the Li+ solvation structure, which is modified by these additives, plays a critical role in achieving reversible Li+ (de)intercalation within graphite. This discovery is confirmed in both carbonate and ether-based electrolytes. We show that the problem of graphite exfoliation caused by Li+–solvent co-intercalation can be mitigated by adding ethene sulfate to tune the Li+ coordination structure. This work brings new insight into the role of additives in electrolytes, expanding the prevailing thinking over the past 2 decades. In addition, this finding can guide the design of more versatile electrolytes for advanced rechargeable metal-ion batteries.

Exfoliation joint

10.1021/acsenergylett.9b01441

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Citations (215)

New Dissolution Chemistry of Nylon Promises Reversible Li-Metal Batteries

ACS Energy Letters (2025)

Zhiming Zhao Georgian Melinte Yongjiu Lei Dong Guo Mohamed Nejib Hedhili

Integrating additives into electrolytes serves as an effective strategy for cultivating robust interphases in batteries. Traditionally, the emphasis has been placed on small-molecule additives, whereas macromolecules have been largely overlooked due to their insolubility in conventional solvents. In this study, we establish that the macromolecule polyamide (nylon, PA) can be effectively solubilized in Li+ electrolytes and utilized as a macromolecular additive. The dissolution capability of the electrolyte is governed by multiple parameters. Specifically, the dissolution of PA is facilitated by stronger Lewis acidity of the cations, weaker solvating capabilities of the solvents, smaller anions, and higher salt concentrations. At the molecular level, coordination of cations with carbonyl groups and the formation of H-bonds between anions and amido groups disrupt the crystalline structure of PA, thereby enhancing its solubility. As a paradigm for practicability, the solubilized PA in carbonate-based electrolytes induces Li3N-rich interphases, significantly boosting the rechargeability of Li-metal batteries (LMBs).

10.1021/acsenergylett.4c03221

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Highly Passivated n‐Type Colloidal Quantum Dots for Solution‐Processed Thermoelectric Generators with Large Output Voltage

Advanced Energy Materials (2019)

Mohamad Insan Nugraha Hyunho Kim Bin Sun Saheena Desai F. Pelayo Garcı́a de Arquer

Abstract Colloidal quantum dots (CQDs) are attractive materials for thermoelectric applications due to their simple and low‐cost processing; advantageously, they also offer low thermal conductivity and high Seebeck coefficient. To date, the majority of CQD thermoelectric films reported upon have been p‐type, while only a few reports are available on n‐type films. High‐performing n‐ and p‐type films are essential for thermoelectric generators (TEGs) with large output voltage and power. Here, high‐thermoelectric‐performance n‐type CQD films are reported and showcased in high‐performance all‐CQD TEGs. By engineering the electronic coupling in the films, a thorough removal of insulating ligands is achieved and this is combined with excellent surface trap passivation. This enables a high thermoelectric power factor of 24 µW m −1 K −2 , superior to previously reported n‐type lead chalcogenide CQD films operating near room temperature (<1 µW m −1 K −2 ). As a result, an all‐CQD film TEG with a large output voltage of 0.25 V and a power density of 0.63 W m −2 at ∆ T = 50 K is demonstrated, which represents an over fourfold enhancement to previously reported p‐type only CQD TEGs.

Thermoelectric generator

Passivation

10.1002/aenm.201901244

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Citations (15)

Correction to “Layered Mg_xV₂O₅·nH₂O as Cathode Material for High-Performance Aqueous Zinc Ion Batteries”

ACS Energy Letters (2021)

Fangwang Ming Hanfeng Liang Yongjiu Lei Sharath Kandambeth Mohamed Eddaoudi

ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionNEXTORIGINAL ARTICLEThis notice is a correctionCorrection to "Layered MgxV2O5·nH2O as Cathode Material for High-Performance Aqueous Zinc Ion Batteries"Fangwang MingFangwang MingMore by Fangwang Minghttps://orcid.org/0000-0003-4574-9720, Hanfeng LiangHanfeng LiangMore by Hanfeng Lianghttps://orcid.org/0000-0002-1778-3975, Yongjiu LeiYongjiu LeiMore by Yongjiu Leihttps://orcid.org/0000-0003-1663-6102, Sharath KandambethSharath KandambethMore by Sharath Kandambeth, Mohamed EddaoudiMohamed EddaoudiMore by Mohamed Eddaoudihttps://orcid.org/0000-0003-1916-9837, and Husam N. Alshareef*Husam N. AlshareefMore by Husam N. Alshareefhttps://orcid.org/0000-0001-5029-2142Cite this: ACS Energy Lett. 2021, 6, 8, 2982Publication Date (Web):August 3, 2021Publication History Published online3 August 2021Published inissue 13 August 2021https://pubs.acs.org/doi/10.1021/acsenergylett.1c01512https://doi.org/10.1021/acsenergylett.1c01512correctionACS PublicationsCopyright © 2021 American Chemical Society. This publication is available under these Terms of Use. Request reuse permissions This publication is free to access through this site. Learn MoreArticle Views1936Altmetric-Citations3LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail PDF (835 KB) Get e-Alertsclose Get e-Alerts

10.1021/acsenergylett.1c01512

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Citations (5)

Applications of Plasma in Energy Conversion and Storage Materials

Advanced Energy Materials (2018)

Hanfeng Liang Fangwang Ming Husam N. Alshareef

Abstract Renewable energy sources such as solar, wind, and hydro hold the promise to meet the huge energy demands of the future at no environmental cost. Harvesting and utilization of these energies require efficient and low cost energy conversion and storage devices, whose performance essentially depends on the properties of the electrode materials. The properties of materials are greatly affected by synthesis methods and can be tuned by chemical modifications. Many approaches have therefore been developed toward this end. Among them, plasma has attracted increasing attention because of its great efficacy in producing and modifying materials under mild conditions. Herein, recent developments in plasma‐assisted synthesis (e.g., plasma conversion, milling, deposition, and exfoliation) and plasma‐assisted modification (e.g., plasma etching, doping, and other surface treatments) of energy conversion and storage materials are highlighted. Challenges and future opportunities in this field are also discussed. This review aims to provide a better understanding of how plasma can be utilized to synthesize and modify a variety of materials including transition metal phosphides, nitrides, chalcogenides, oxides as well as carbon materials, and to promote their additional applications in energy conversion and storage.

Energy transformation

Plasma Etching

Exfoliation joint

10.1002/aenm.201801804

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Citations (118)