Article
Chemistry, Physical
Caiyun Gao, Zhicheng Li, Bicai Li, Hao Chen, Qi Jiang, Hong Zhang
Summary: In this study, Li-decorated ZNO (ZNLO) solid solution compound (SSC) was designed to improve the electrochemical performance of thin films. ZNO and ZNLO nanostructured thin films were prepared and their phase evolution, microstructure, and electrochemical properties were investigated. The results showed that the cells assembled with ZNLO thin films exhibited significantly higher reversible specific capacity and rate performance compared to ZNO thin films. The enhanced electrochemical performance was attributed to the improved electrical conductivity of the Li-ion-doped thin film and the nanostructured characteristics providing a high specific surface area and redox conversion processes.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Yong Cheng, Bingbing Chen, Limin Chang, Dongyu Zhang, Chunli Wang, Shaohua Wang, Ping Nie, Limin Wang
Summary: Anode materials based on SnO2 have attracted attention due to their high capacity and relatively mild voltage platforms. However, their practical application is challenging due to low initial Coulombic efficiency and poor stability. Recent research has shown that compositing carbon or metal particles with SnO2 can achieve high alkaline-ion storages. In this work, a unique Co-NC shell derived from ZIF-67 is introduced to accelerate the conversion reaction between SnO2 and Sn phases, improving the efficiency and stability of the electrode material.
Article
Chemistry, Multidisciplinary
Hyunwoo Kim, Woosung Choi, Jaesang Yoon, Eunkang Lee, Won-Sub Yoon
Summary: The study synthesized four different MnO2 polymorphs with controlled morphology to investigate their influences in conversion-based materials. Experimental results showed that spinel-phased MnO2 was formed during charge storage reactions for all samples, but the electrochemical performance varied based on the initial crystal structure. Among the polymorphs, lambda-MnO2 exhibited the highest reversible capacity of around 1270 mAh g(-1) due to its faster kinetics and structural similarity between cycled and pristine states. These findings suggest that polymorphs are an important factor in designing high-performance materials for next-generation rechargeable batteries.
Article
Materials Science, Multidisciplinary
Jiliang Zhang, Gi-Hyeok Lee, Vincent Wing-hei Lau, Feng Zou, Yingmin Wang, Xuelian Wu, Xun-Li Wang, Chi-Liang Chen, Chun-Jen Su, Yong-Mook Kang
Summary: The study suggests that rapid conversion reactions in high-rate cycling can lead to reduced crystallite size and the formation of Fe-Fe-Fe medium-range ordering in alpha-Fe2O3 electrodes, resulting in higher capacity and improved performance.
Article
Electrochemistry
Xing Cai, Li Yu, Jingren Dong, Yuan Cen, Tingting Zhu, Danmei Yu, Changguo Chen, Dingfei Zhang, Yuping Liu, Fusheng Pan
Summary: In this study, an ultrahigh-capacity Mg-Li hybrid battery was assembled for the first time using spinel Co3S4 cathode and Mg anode. The Co3S4-F particles delivered high discharge capacity and energy density, outperforming reported chalcogenides. The synergistic effect of Co3S4-F micro/nano particles and APC-LiCl hybrid electrolyte promoted outstanding electrochemical performance.
ELECTROCHIMICA ACTA
(2022)
Article
Chemistry, Physical
Sergey Yu. Luchkin, Maria A. Kirsanova, Dmitry A. Aksyonov, Svetlana A. Lipovskikh, Victoria A. Nikitina, Artem M. Abakumov, Keith J. Stevenson
Summary: Li-rich layered metal oxides have been extensively studied as potential positive electrode materials for Li-ion batteries. This research investigates the cycling-driven electrochemical activation process in Li-rich materials, which leads to an increase in reversible capacity. The activation process involves oxidation and reduction reactions, with the rate being influenced by the cycling rate.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yongjian Zheng, Wujie Qiu, Lei Wang, Jianjun Liu, Shuangqiang Chen, Chilin Li
Summary: The researchers propose a strategy of triple conductive wiring through electron doping, chelation coating, and electrochemical conversion to enhance the performance of fast-charging lithium ion batteries. This strategy improves the electronic conductivity and electrolyte infiltration of T-Nb2O5 anodes, resulting in high-rate and durable performance.
Review
Chemistry, Multidisciplinary
Gang Wan, Cheng-Jun Sun, John W. Freeland, Dillon D. Fong
Summary: The redox reaction pathway is crucial for the sustainable production of fuels and chemicals needed for a carbon-neutral society. The properties of oxide materials make them well suited for electrochemical and catalytic applications, while defect-driven redox reactions and structural transformations are also critical processes.
ACCOUNTS OF CHEMICAL RESEARCH
(2021)
Article
Chemistry, Multidisciplinary
Alberto F. Garrido-Castro, Yuta Hioki, Yoshifumi Kusumoto, Kyohei Hayashi, Jeremy Griffin, Kaid C. Harper, Yu Kawamata, Phil S. Baran
Summary: This study presents a metal-free electrochemical decarboxylation method for the synthesis of olefins from alkyl carboxylic acids, providing a simpler and alternative approach for olefin synthesis. The method maintains the quality of the electrode surface and local pH through alternating polarity, allowing for chemoselective reactions on conventionally difficult substrates.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Review
Chemistry, Multidisciplinary
Muhammad Ibrar Ahmed, Aya Assafiri, David Brynn Hibbert, Chuan Zhao
Summary: The electrochemical nitrogen reduction reaction has great potential for sustainable ammonia production using electricity from renewable energy sources. However, challenges such as low nitrogen solubility, poor kinetics, and competition from the hydrogen evolution reaction have limited ammonia production rates. The Li-mediated electrochemical nitrogen reduction strategy has been proven to be effective in achieving significant ammonia yields. This article summarizes the advances and insights into the Li-mediated strategy, including the role of lithium, reaction parameters, cell designs, and mechanistic evaluation, and presents the challenges and prospects of this strategy for sustainable ammonia production as a continuous, stable, and modular approach.
Article
Chemistry, Multidisciplinary
Hyojung Bae, Chaewon Seong, Vishal Burungale, Myeongheon Seol, Chul Oh Yoon, Soon Hyung Kang, Wan-Gil Jung, Bong-Joong Kim, Jun-Seok Ha
Summary: Solar-to-chemical energy conversion is a potential alternative to fossil fuels. This study demonstrates the electrochemical reduction of CO2 to CO using a porous Au nanostructure as a cathode. The PV-EC system, combined with Si photovoltaic cells and IrO2 anodes, achieved a solar-to-CO conversion efficiency of 5.3% under 1 sun illumination and operated for 100 hours.
Review
Chemistry, Multidisciplinary
Yuecheng Xiong, Yunhao Wang, Jingwen Zhou, Fu Liu, Fengkun Hao, Zhanxi Fan
Summary: The natural nitrogen cycle is disrupted by human activities. Electrochemical nitrate reduction reaction (NO3RR) provides a sustainable strategy for nitrogen cycling by promoting green ammonia production. This review presents the recent important advances in electrochemical NO3RR and proposes future perspectives.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Dong Wang, Gaohui Du, Di Han, Qingmei Su, Shukai Ding, Miao Zhang, Wenqi Zhao, Bingshe Xu
Summary: Bramble-like NaVMoO6/C nanofibers with remarkable lithium-storage property were fabricated through a simple electrospinning method. The resulting nanocomposite with unique architecture showed advantages such as enhanced surface-to-volume ratio, reduced ion transport lengths, and strengthened electron transfer. As a new type of anode material for LIBs, NaVMoO6/C composite exhibited stable capacity at different current densities, showcasing high reversible capacity even at high rates.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Nan Sun, Yali Zhang, Shiguan Xu, Wei Sun, Yuhao Huang
Summary: In this work, rechargeable CFx-based cathodes with high specific capacity and low self-discharge rate are developed by introducing transition metals, which reduces the irreversible electrode reaction of CF with Li+ and enhances cathode reversibility. Methods such as building a compact counter electrolyte interface (CEI) and obstructing the electron transport of transition metal atoms are proposed to mitigate the harmful effects of excessive transition metal decomposition during the charge process.
Article
Engineering, Environmental
Huiqiao Liu, Yanan He, Hang Zhang, Kangzhe Cao, Shaodan Wang, Yong Jiang, Qiang-Shan Jing, Lifang Jiao
Summary: This study proposes and successfully verifies the hypothesis of lowering voltage-hysteresis by constructing heterostructures. The CuS/MnS-C HNFs electrode exhibits lower voltage-hysteresis values and the best rate performance among their counterpart electrodes.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Zhi-Nian Li, Hao-Chen Qiu, Shu-Mao Wang, Li-Jun Jiang, Jun Du, Jun-Xian Zhang, Michel Latroche, Fermin Cuevas
Summary: The Li-Mg-N-H hydrogen storage system, synthesized by reactive ball milling, demonstrates promising properties for hydrogen storage. The in situ and ex situ measurements reveal the phases and structural evolution during hydrogenation and dehydrogenation processes.
Article
Materials Science, Multidisciplinary
Zhi-Nian Li, Hao-Chen Qiu, Xiu-Mei Guo, Jian-Hua Ye, Shu-Mao Wang, Li-Jun Jiang, Jun Du, Fermin Cuevas
Summary: Li-Mg-N-B-H/ZrCoH3 composites were synthesized by ball milling under different atmospheres. The composite synthesized under hydrogen atmosphere displayed the best hydrogen storage properties. The microstructures and elemental distributions were characterized and it was found that Mg underwent in situ hydrogenation and ZrCoH3 particles were homogeneously distributed. The activation energy of the composite was calculated and found to be lower with the addition of ZrCoH3. The weakening of N-H bond was analyzed and discussed.
Editorial Material
Engineering, Multidisciplinary
Fermin Cuevas, Junxian Zhang, Michel Latroche
Article
Chemistry, Physical
Erika Michela Dematteis, David Michael Dreistadt, Giovanni Capurso, Julian Jepsen, Fermin Cuevas, Michel Latroche
Summary: TiFe intermetallic compound is extensively studied due to its low cost, good volumetric hydrogen density, and the ability to tailor hydrogenation thermodynamics through elemental substitution. Increasing titanium content and substituting manganese can improve hydrogen storage performance, with titanium-rich alloys showing enhanced storage capacities as long as a limited amount of beta-Ti is formed.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Review
Chemistry, Physical
Judith Monnier, Junxian Zhang, Fermin Cuevas, Michel Latroche
Summary: Hydrides have been widely used in hydrogen storage and nickel-metal hydride batteries, but they have also shown potential as anode materials and solid electrolytes for various ion batteries. This review highlights the recent advances and applications of hydrides as negative electrodes in Ni-MH and A-ion batteries and as electrolytes in all solid-state batteries (ASSB). Metallic hydrides, especially intergrowth compounds, have been found to be the best compromise for Ni-MH batteries. MgH2, especially in combination with TiH2, shows promising results as anode materials for Li-ion batteries. Complex hydrides like Liborohydride and closo-borates have potential as solid electrolytes for Li-based ASSB, whereas closo-hydroborate sodium salts and closo-carboborates are being investigated for Na and Mg-ASSB. Further research directions for hydrides in electrochemical applications are also discussed.
CURRENT OPINION IN ELECTROCHEMISTRY
(2022)
Article
Chemistry, Physical
Jussara Barale, Erika M. Dematteis, Giovanni Capurso, Bettina Neuman, Stefano Deledda, Paola Rizzi, Fermin Cuevas, Marcello Baricco
Summary: This study focuses on the industrial production of the alloy TiFe0.85Mn0.05 as an H2 carrier in metal hydride-based hydrogen storage systems. The experimental results show that the alloy exhibits fast kinetics, good resistance to gas impurities, and storage stability.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Fermin Cuevas, Michel Latroche
Summary: This paper provides a review of intermetallic-based materials for hydrogen gettering, discussing different chemistries, activation process, surface coating, and resistance to impurities. It also explores new processes and potential applications for these materials.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Erika Michela Dematteis, Jussara Barale, Giovanni Capurso, Stefano Deledda, Magnus H. Sorby, Fermin Cuevas, Michel Latroche, Marcello Baricco
Summary: Hydrogen, an efficient energy carrier produced from renewable sources, plays a vital role in the transition towards CO2-free energy. This study focuses on Ti-rich Ti(Fe,Mn)0.90 alloys and their deuterides, determining their crystal structure and analyzing the influence of Mn substitution on structural properties during reversible deuterium loading. The research provides valuable insights into hydrogen storage, structural knowledge, and the application of TiFe-type alloys in integrated hydrogen tank for energy storage systems.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Thermodynamics
Islam A. Hassan, Ramy H. Mohammed, Haitham S. Ramadan, Mohamed A. Saleh, Fermin Cuevas, Daniel Hissel
Summary: This paper proposes a multi-layer cylindrical reactor with metal hydride (MH) and phase change material (PCM) alternately arranged to solve the heat management problem of MH. Through numerical modeling and validation, it is found that the reactor using lithium nitrate trihydrate as PCM material has the best performance, reducing reactor volume while slightly delaying absorption time. The specific capacity rate (SCR) and volumetric capacity rate (VCR) of the proposed reactor are 3.4 and 3.12 times higher than the corresponding values in literature.
APPLIED THERMAL ENGINEERING
(2023)
Article
Chemistry, Physical
Fermin Cuevas, Barbara Laik, Junxian Zhang, Mickaël Mateos, Jean-Pierre Pereira-Ramos, Michel Latroche
Summary: In this study, Ti1-xVxH2 compounds were synthesized by mechanochemistry, and their electrochemical properties as anodes in LiBs and NaBs were investigated. It was found that the compounds have a highly nanostructured fluorite-type structure, and the lattice parameter decreases with the increase of V content, leading to material destabilization. Electrochemical studies in Li-ion half cells showed that the potential of the conversion reaction varies with the vanadium content. Na-ion half cell measurements revealed significant kinetic limitations in the reactivity between (V, Ti)H2 hydrides and sodium.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Editorial Material
Chemistry, Physical
Volodymyr A. Yartys, Fermin Cuevas
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Volodymyr A. Yartys, Colin J. Webb, Fermin Cuevas
Summary: The paper provides an overview of advanced in situ diffraction studies for probing the structure and reacting mechanisms of hydrogen and energy storage materials. These studies utilize high flux diffraction beam and high resolution measurements to establish the mechanism of phase-structural transformations and their kinetics. Various conditions, such as hydrogen/deuterium pressures and temperatures, as well as different charge-discharge states, are considered. The paper also highlights the contributions of Dr. Michel Latroche and summarises a long-standing collaboration between the co-authors in the field.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
N. Chaabene, J. Zhang, M. Turmine, E. Kurchavova, V. Vivier, F. Cuevas, M. Mateos, M. Latroche, J. Monnier
Summary: This work investigates the physicochemical properties of different ionic liquids (ILs) and their mixtures with acids or bases, which have the potential to be used as electrolytes in protonic batteries. The electrochemical properties of these ILs are studied using an AB(5)-type compound as the negative electrode in a half-cell configuration. The results show that [Pyrr][Ac] IL exhibits a discharge capacity of 221 mAh/g at a low charge/discharge overpotential, and stable cycling performance with an enlarged electroactivity window of 2.2 V compared to KOH.
JOURNAL OF POWER SOURCES
(2023)
Review
Energy & Fuels
Luca Pasquini, Kouji Sakaki, Etsuo Akiba, Mark D. Allendorf, Ebert Alvares, Jose R. Ares, Dotan Babai, Marcello Baricco, Jose Bellosta von Colbe, Matvey Bereznitsky, Craig E. Buckley, Young Whan Cho, Fermin Cuevas, Patricia de Rango, Erika Michela Dematteis, Roman V. Denys, Martin Dornheim, J. F. Fernandez, Arif Hariyadi, Bjrn C. Hauback, Tae Wook Heo, Michael Hirscher, Terry D. Humphries, Jacques Huot, Isaac Jacob, Torben R. Jensen, Paul Jerabek, Shin Young Kang, Nathan Keilbart, Hyunjeong Kim, Michel Latroche, F. Leardini, Haiwen Li, Sanliang Ling, Mykhaylo V. Lototskyy, Ryan Mullen, Shin-ichi Orimo, Mark Paskevicius, Claudio Pistidda, Marek Polanski, Julian Puszkiel, Eugen Rabkin, Martin Sahlberg, Sabrina Sartori, Archa Santhosh, Toyoto Sato, Roni Z. Shneck, Magnus H. Sorby, Yuanyuan Shang, Vitalie Stavila, Jin-Yoo Suh, Suwarno Suwarno, Le Thi Thu, Liwen F. Wan, Colin J. Webb, Matthew Witman, ChuBin Wan, Brandon C. Wood, Volodymyr A. Yartys
Summary: This review summarizes the latest research progress on hydrides based on magnesium and intermetallic compounds for energy storage. It covers topics such as hydrogen sorption mechanisms, synthesis and processing techniques, catalysts, and the development of new compounds. The article highlights the important role of these hydrides in the clean energy transition and the deployment of hydrogen as an energy vector.
PROGRESS IN ENERGY
(2022)
Article
Biotechnology & Applied Microbiology
Lionel F. Longe, Laurent Michely, Antoine Gallos, Agustin Rios De Anda, Henri Vahabi, Estelle Renard, Michel Latroche, Florent Allais, Valerie Langlois
Summary: This study used three novel additives based on ferulic acid esterified with different alcohols to improve the mechanical properties of poly(3-hydroxybutyrate) (PHB). The additive BDF significantly increased the processing window and elongation at break of PHB. The highly thermally stable additive also enhanced the fire-retardant property of the material and exhibited antioxidant properties.
BIOENGINEERING-BASEL
(2022)