Article
Chemistry, Applied
Jingwei Hu, Fengsong Fan, Qian Zhang, Shengwen Zhong, Quanxin Ma
Summary: This study investigates the changes in a layered cathode material during long-term fast charging and reveals the important role of polarization in rapid capacity fading. These findings contribute to a better understanding of the aging mechanism in batteries and provide benchmarks for the development of high-capacity, fast-charging cathode materials in the future.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Review
Electrochemistry
Fanglin Wei, Qiaoping Zhang, Peng Zhang, Wenqian Tian, Kehua Dai, Liang Zhang, Jing Mao, Guosheng Shao
Summary: The proportion of new energy power generation is increasing due to the depletion of fossil energy resources. However, the instability of new energy power necessitates the use of energy storage batteries to balance power supply and demand. While lithium-ion batteries have been widely used, the scarcity of lithium has led to increased interest in sodium ion batteries for their abundant resources, low cost, and high energy density. Layered transition metal oxides show promise as cathode materials for sodium ion batteries, with high specific capacities, conductivity, and diffusion kinetics.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Nanoscience & Nanotechnology
Qinfeng Zheng, Zhouhong Ren, Yixiao Zhang, Tian Qin, Jizhen Qi, Huanhuan Jia, Luozhen Jiang, Lina Li, Xi Liu, Liwei Chen
Summary: High-entropy layered oxides, which have two-dimensional ion transport channels, are potentially interesting cathode materials for lithium-ion batteries. However, the reported high-entropy layered oxides exhibit fast capacity fading in initial cycles and are thus not practically valuable.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Xu Gao, Liang Fang, HaoJi Wang, Suwon Lee, Huanqing Liu, Shu Zhang, Jinqiang Gao, Yu Mei, Mihui Park, Jing Zhang, Mingzhe Chen, Limin Zhou, Wentao Deng, Guoqiang Zou, Hongshuai Hou, Yong-Mook Kang, Xiaobo Ji
Summary: Fe-Mn based layered oxides are potential cathode materials for SIBs with high capacities and abundant ingredients. The capacity fading mechanism of these oxides is comprehensively investigated, revealing the role of Fe migration and structural distortion. The O3-P3 phase transition is constrained along with Fe migration, leading to intensified polarization and capacity loss. The capacity fading within the desodiation depth is dominantly rooted in Fe4+ activation and Mn-dissolution aggravated passivation. These findings provide insights for designing desirable cathodes for SIBs.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Julia Lamb, Arumugam Manthiram
Summary: Sodium-ion batteries offer a promising alternative to lithium-ion batteries for large-scale energy storage. However, the poor electrolyte stability has hindered the development of sodium-ion batteries. Recent advances in electrolyte compositions have shown great promise in improving the stability of sodium-ion batteries.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Review
Engineering, Environmental
Zhi-Xiong Huang, Zhen-Yi Gu, Yong-Li Heng, Edison Huixiang Ang, Hong-Bo Geng, Xing-Long Wu
Summary: This article reviews the research progress of layered oxide cathodes in sodium-ion batteries and potassium-ion batteries, discusses their performances, challenges, and prospects, and proposes solutions to overcome these challenges for the design of layer oxides with exceptional performances.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Nanoscience & Nanotechnology
Yuexia Ling, Jiang Zhou, Shan Guo, Hongwei Fu, Yifan Zhou, Guozhao Fang, Liangbing Wang, Bingan Lu, Xinxin Cao, Shuquan Liang
Summary: Layered sodium manganese oxides are promising cathode materials for sodium-ion batteries, but the addition of copper to the structure can improve stability and cycling performance. Proper copper content in P'2 Na0.67Cu0.1Mn0.9O2 results in high specific capacity and capacity retention after cycling, providing guidelines for developing high-performance cathodes.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Yue Liang, Hang Xu, Kezhu Jiang, Jingjing Bian, Shaohua Guo, Haoshen Zhou
Summary: A novel biphasic layered Na0.62Ni0.33Mn0.62Sb0.05O2 cathode, synthesized via a solid-state reaction method, shows smoother (dis)charge profile, superior rate capability, and excellent cycling performance compared to its monophasic counterpart Na0.67Ni0.33Mn0.67O2. Structural and kinetic studies reveal minimal volume strain and rapid charge transfer during the electrochemical process.
CHEMICAL COMMUNICATIONS
(2021)
Review
Electrochemistry
Xu Gao, Huanqing Liu, Wentao Deng, Ye Tian, Guoqiang Zou, Hongshuai Hou, Xiaobo Ji
Summary: Sodium-ion batteries (SIBs) have attracted renewed attention due to the growing demand for clean energy, and Fe-based layered cathodes are seen as an effective choice for designing high capacity/voltage and low-cost batteries in SIBs. Despite encouraging research results, further investigation is needed to overcome potential challenges in practical applications.
BATTERIES & SUPERCAPS
(2021)
Article
Chemistry, Physical
Junghoon Yang, Jin-Myoung Lim, Mihui Park, Gi-Hyeok Lee, Suwon Lee, Maenghyo Cho, Yong-Mook Kang
Summary: Layer-structured oxide cathodes have various phases depending on Na ion contents, with off-stoichiometry impacting properties like capacity and cyclic stability. Thermal activation process helps maintain stoichiometry, reduce Na ion loss, and improve electrochemical performance of materials.
ADVANCED ENERGY MATERIALS
(2021)
Article
Engineering, Environmental
Liu Yang, Shao-hua Luo, Yafeng Wang, Yang Zhan, Qing Wang, Yahui Zhang, Xin Liu, Wenning Mu, Fei Teng
Summary: Cu-doped layered P2-type Na0.67Ni0.33-xCuxMn0.67O2 materials were prepared and investigated for sodium-ion batteries. The introduction of Cu2+ ions improved the capacity retention, cycling stability, and rate performance by stabilizing the P2-phase structure and facilitating reversible capacity based on Cu2+/Cu3+ redox reaction.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Su Ma, Xiaodong Zhang, Shumeng Wu, Ersha Fan, Jiao Lin, Renjie Chen, Feng Wu, Li Li
Summary: To enhance the electrochemical performance and safety of lithium-ion batteries, it is essential to understand the evolution of structure and interface during charge-discharge cycling. This study investigates the dominant mechanism behind the nonlinear capacity fading of Ni-rich electrode materials at different charge-discharge rates. Low-rate charge-discharge exhibits high initial discharge capacity, but cumulative stress release during the cycle quickly reduces its capacity. High-rate cycling, on the other hand, shows rapid decay of initial capacity due to CEI thickening and electrolyte decomposition caused interfacial side reactions. Pulverization from microcrack expansion and intensified side reactions between the new exposed interface and electrolyte contribute significantly to the end-of-cycle capacity decay. The change in dominant mechanism is one of the key factors causing the nonlinear capacity fading. This work provides new insights into the capacity decay and failure of lithium-ion batteries during cycling.
ENERGY STORAGE MATERIALS
(2023)
Article
Energy & Fuels
Saban Patat, Ayse Sahin, Yusuf Tas, Ferhat Sanli, Yakup Yilmaz, Tayfur Ozturk
Summary: A novel O3-NaMn0.42Fe0.42Ni0.17O2 cathode material for sodium-ion batteries was successfully synthesized using a co-precipitation method followed by solid-state reaction. The substitution of Ni2+, Cu2+, and Ca2+ for Fe3+ and Mn4+ improved the structural stability and electrochemical performance of the O3-NaMn0.33Fe0.33Ni0.21Cu0.08Ca0.04O2 cathode material. When combined with a hard carbon anode, the full cell exhibited an energy density of 220 Wh kg(-1) and 100% capacity retention after 56 charge/discharge cycles.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Chemistry, Physical
Guohua Zhang, Jiayi Li, Yuxin Fan, Yukun Liu, Ping Zhang, Xinyue Shi, Jiwei Ma, Renyuan Zhang, Yunhui Huang
Summary: P2-type Fe/Mn-based layered oxide cathode has attracted significant attention for its low cost, low toxicity, earth abundance, and high theoretical capacity in sodium-ion battery applications. However, the harmful P2-P2' phase transition associated with the Jahn-Teller effect of Mn3+ during the discharge process limits its cycling stability. In this study, Al-doping is proposed as an effective strategy to suppress the phase transition and improve the cycling stability and rate capability of the electrode.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
Jun Xiao, Hong Gao, Kaikai Tang, Mengqi Long, Jun Chen, Hao Liu, Guoxiu Wang
Summary: This study reports the synthesis of a layered P2-type Mn-based Na0.7Li0.06Zn0.06Ni0.21Mn0.67O2 material by partially substituting Ni with Li and Zn. The resulting material exhibits a stable crystal structure and shows excellent cycle life and electrochemical kinetics during the electrochemical process. It is a promising cathode material for sodium ion batteries.
Article
Psychology, Clinical
Mengya Yuan, Bo Hong, Wei Zhang, An Liu, Jinghua Wang, Yuanyuan Liu, Feng Yan, Shifu Xiao, Hua Xu, Tao Wang
Summary: There is an association between sleep duration and aMCI, with different effects in different stages of life. Among elderly individuals sleeping less than 7 hours, each additional hour of sleep is associated with a decreased risk of aMCI by approximately 0.80.
INTERNATIONAL PSYCHOGERIATRICS
(2023)
Article
Nutrition & Dietetics
Yan-Hua Liu, Lu Zheng, Chen Cheng, Shu-Na Li, Nitin Shivappa, James R. Hebert, Wen-Jun Fu, Xian-Lan Zhao, Yuan Cao, Wei-Feng Dou, Hua-Nan Chen, Dan-Dan Duan, Quan-Jun Lyu, Fang-Fang Zeng
Summary: This study evaluated the association between inflammatory diets, inflammation biomarkers, and the development of preeclampsia among the Chinese population. The results showed that proinflammatory diets, corresponding to higher levels of IL-2, IL-4, and TGF-beta, were associated with increased preeclampsia risk.
BRITISH JOURNAL OF NUTRITION
(2023)
Article
Chemistry, Multidisciplinary
Na Li, Qian Zhou, Kun Li, Ting Jiang, Xiao-Qi Yu
Summary: An aldehyde-reactive probe based on 2-amino benzamidoxime (ABAO) framework was introduced for selective labeling of aldehydes in DNA. The probe can undergo intramolecular ring closure under mild aqueous solutions. 5-methoxy-ABAO (PMA) was identified as the optimal choice and can react sensitively and selectively with formylated nucleobases to generate fluorogenic derivatives, enabling quantification of DNA damages induced by gamma-irradiation.
CHINESE CHEMICAL LETTERS
(2023)
Article
Chemistry, Analytical
Yitong Liu, Yiwei Zhao, Yuanqing Zhang, Shuangxi Xing
Summary: A novel self-supporting three-dimensional nanostructured CoNi LDH-Ni3S2 catalyst was successfully synthesized using hydrothermal synthesis and high-temperature electrodeposition techniques. The CoNi LDH-Ni3S2/NF electrode exhibited superior electrocatalytic performance in alkaline conditions, driving efficient water electrolysis with low cell voltage and excellent stability.
Article
Biodiversity Conservation
Yuanyuan Shen, Haijuan Li, Yuan Liu, Tianpeng Gao, Guangwen Li, Mingbo Zuo, Jing Ji, Changming Li, Xiangkai Li, Yueli Chen, Zhuoxin Yin, Jing Li, Wenli Zhang
Summary: Investigation of microbial community structures in heavy metal contaminated soils is crucial for their remediation. In this study, high-throughput sequencing method was used to analyze soil fungal communities in two tailings located in northwestern China. The richness and diversity of fungal communities in the contaminated soils were lower compared to control soils. The dominant fungal phyla were found to be similar in both tailings, including Ascomycota and Basidiomycota. Heavy metals and soil chemical properties were found to be positive correlation factors for these dominant fungal phyla.
HUMAN AND ECOLOGICAL RISK ASSESSMENT
(2023)
Article
Environmental Sciences
Xiaofei Li, Jingning Guo, Feng Yu, Lekhendra Tripathee, Fangping Yan, Zhaofu Hu, Shaopeng Gao, Xiaobo He, Chaoliu Li, Shichang Kang
Summary: This study investigates the characteristics and roles of carbonaceous matter (CM) in the Tibetan Plateau River Basin using precipitation and glacier samples. The results show that CM significantly affects the carbon cycle and radiative forcing (RF) of glaciers. Various sources of CM were identified, and two major pollution source areas were identified as well. Moreover, the optical properties of CM varied among different sample types. The study also estimated the RF of CM relative to black carbon (BC) in different sample types.
ENVIRONMENTAL RESEARCH
(2023)
Article
Environmental Sciences
Xia Wang, Caidie He, Nian Wu, Yingkuan Tian, Linglu Wang, Juan Liao, Derong Fang, Xiang Liu, Songlin An, Wei Chen, Shimin Xiong, Yijun Liu, Yan Xie, Kunming Tian, Jingyi Huang, Hongyu Yuan, Xiaoshan Chen, Li Zhang, Quan Li, Xubo Shen, Yuanzhong Zhou
Summary: The study found an association between phthalates (PAEs) and the risk of miscarriage, with certain PAEs exceeding a certain threshold increasing the risk of miscarriage in early pregnancy.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Metallurgy & Metallurgical Engineering
Junbo Yu, Shuyong Jiang, Dong Sun, Bingyao Yan, Peng Lin, Yanqiu Zhang
Summary: Fe-6.5Si-2Cr-xNi (x = 4, 8, 12) high-silicon steels with novel chemical composition are fabricated by adding Cr and Ni elements. The microstructures of the steels are refined with the increase in Ni content, especially for the Fe-6.5Si-2Cr-12Ni sample. The addition of Ni inhibits the nucleation of grain boundary ferrite and leads to the formation of acicular ferrite with high density of dislocations and high-angle grain boundaries. The high content of Ni also results in slow diffusion and severe thermal hysteresis. The intensity of cube and rotation-cube textures increases with the increase in Ni content.
STEEL RESEARCH INTERNATIONAL
(2023)
Article
Chemistry, Multidisciplinary
Sugeun Jo, Jeongwoo Han, Sungjae Seo, Oh-Sung Kwon, Subin Choi, Jin Zhang, Hyejeong Hyun, Juhyun Oh, Juwon Kim, Jinkyu Chung, Hwiho Kim, Jian Wang, Junho Bae, Junyeob Moon, Yoon-Cheol Park, Moon-Hi Hong, Miyoung Kim, Yijin Liu, Il Sohn, Keeyoung Jung, Jongwoo Lim
Summary: During solid-state calcination, complex phase transitions with heterogeneous solid-state reactions and mass transport occur as the temperature increases. Precise control of the calcination chemistry is crucial for synthesizing advanced Ni-rich layered oxides (NRNCM) as cathode materials for lithium-ion batteries. This study reveals the control mechanism of the local chemical compositions and structures in the reaction intermediates within a calcined particle through synchrotron-based X-ray, mass spectrometry microscopy, and structural analyses, providing valuable information for tuning the calcination chemistry and developing high-energy/power density lithium-ion batteries.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Yang Tang, Fan Liu, Wenqian Liu, Shaoli Mo, Xiaohong Li, Daxiang Yang, Yijun Liu, Shu-Juan Bao
Summary: The effects of non-kinetic factors on the hydrogen evolution reaction (HER) process were investigated. It was found that carbon-armored nickel nanoparticles exhibited low overpotential, low Tafel slope, and excellent stability under high current densities.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Energy & Fuels
Kai Zhang, Yishu Xu, Yang Liu, Huakun Wang, Yimin Liu, Xiaobei Cheng
Summary: This study investigates the effect of ammonia on soot formation in ethylene co-firing flames. Experimentally and numerically, it is found that ammonia addition inhibits soot formation mainly by suppressing HACA reactions and reducing the rate of H radical generation.
Article
Biochemical Research Methods
Gang Zhou, Ying-si Wang, Hong Peng, Su-juan Li, Ting-Ii Sun, Qing-shan Shi, Jordi Garcia-Ojalvo, Xiao-bao Xie
Summary: Our study reveals that the combination of BIT and EDTA-2Na induces consistent protein expression alteration in a set of core proteins of C. werkmanii, which underlies a strong synergistic antimicrobial effect. This increases our understanding of the action modes of BIT and EDTA-2Na as well as their combinations.
JOURNAL OF PROTEOMICS
(2023)
Article
Environmental Sciences
Wei Liao, Xiaotian Liu, Ning Kang, Yu Song, Lulu Wang, Yinghao Yuchi, Wenqian Huo, Zhenxing Mao, Jian Hou, Chongjian Wang
Summary: This study found that using solid fuel for cooking and longer cooking duration are associated with a higher risk of poor sleep quality. Additionally, kitchen ventilation has a moderating effect on this association.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Chemistry, Physical
Weiliang Peng, Yuyin Li, Bin Yuan, Renzong Hu, Zhengtang Luo, Min Zhu
Summary: By developing a porous FeNi alloy layer on commercially-available bulk FeNi materials, the interaction between catalyst and substrate can be enhanced, and the high conductivity of the substrate can be maintained, resulting in an OER electrode with high activity and excellent stability.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Cell & Tissue Engineering
Xue-Cheng Sun, Hu Wang, Dan Zhang, Jian-Hui Li, Li-Qiang Yin, Yu-Fang Yan, Xu Ma, Hong-Fei Xia
Summary: Combining bone collagen matrix with hUC-MSCs promotes new bone regeneration in a rabbit alveolar process cleft model through promoting osteoblast and chondrocyte formation, and inducing the production of type I collagen and BMP-2.
STEM CELL REVIEWS AND REPORTS
(2023)
Article
Chemistry, Applied
Maoyi Yi, Jie Li, Mengran Wang, Xinming Fan, Bo Hong, Zhian Zhang, Aonan Wang, Yanqing Lai
Summary: In this study, polyacrylic acid (PAA) was used as a binder for the cathode in all-solid-state batteries. Through H+/Li+ exchange reaction, a uniform PAA-Li coating layer was formed on the cathode surface, improving the stability of the cathodic interface and the crystal structure. The SC-NCM83-PAA cathode exhibited superior cycling performance compared to traditional PVDF binder.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Yonghan Zhou, Zhongfeng Ji, Wenrui Cai, Xuewei He, Ruiying Bao, Xuewei Fu, Wei Yang, Yu Wang
Summary: By learning from the pencil-writing process, a solid-ink rubbing technology (SIR-tech) has been invented to develop durable metallic coatings on diverse substrates. The composite metallic skin by SIR-tech outperforms pure liquid-metal coating and shows great potential for various applications.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Ruiqi Tian, Hehe Zhang, Zeyu Yuan, Yuehua Man, Jianlu Sun, Jianchun Bao, Ming-Sheng Wang, Xiaosi Zhou
Summary: In this study, polypyrrole-encapsulated Sb2WO6 microflowers were synthesized and demonstrated to exhibit excellent potassium storage properties and cycling stability. The improved performance of Sb2WO6@PPy was attributed to the unique microflower structure, enhanced electronic conductivity, and protective PPy coating.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Review
Chemistry, Applied
Longxing Wu, Zhiqiang Lyu, Zebo Huang, Chao Zhang, Changyin Wei
Summary: This paper presents a comprehensive survey on physics-based state of charge (SOC) algorithms applied in advanced battery management system (BMS). It discusses the research progresses of physical SOC estimation methods for lithium-ion batteries and presents future perspectives for this field.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Honggang Huang, Yao Chen, Hui Fu, Cun Chen, Hanjun Li, Zhe Zhang, Feili Lai, Shuxing Bai, Nan Zhang, Tianxi Liu
Summary: The d-d orbital coupling induced by crystal-phase engineering effectively adjusts the electronic structure of electrocatalysts, improving their activity and stability, which is significant for electrocatalyst research.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Quanzhen Sun, Yifan Li, Caixia Zhang, Shunli Du, Weihao Xie, Jionghua Wu, Qiao Zheng, Hui Deng, Shuying Cheng
Summary: In this study, indium (In) ions were introduced into flexible Cu2ZnSn(S,Se)(4) (CZTSSe) solar cells to modify the back interface and passivate deep level defects in CZTSSe bulk. The results showed that In doping effectively inhibited the formation of secondary phase and V-Sn defects, decreased the barrier height at the back interface, passivated deep level defects in CZTSSe bulk, increased carrier concentration, and significantly reduced the V-OC deficit. Eventually, a flexible CZTSSe solar cell with a power conversion efficiency of 10.01% was achieved. This synergistic strategy of interface modification and bulk defects passivation through In incorporation provides a new approach for fabricating efficient flexible kesterite-based solar cells.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Negah Hashemi, Jafar Hussain Shah, Cejun Hu, Subhajit Nandy, Pavlo Aleshkevych, Sumbal Farid, Keun Hwa Chae, Wei Xie, Taifeng Liu, Junhu Wang, Mohammad Mahdi Najafpour
Summary: This study investigates the effects of Fe on the oxygen-evolution reaction (OER) in the presence of Au. The study identifies two distinct areas of OER associated with Fe and Au sites at different overpotentials. Various factors were varied to observe the behaviors of FeOxHy/Au during OER. The study reveals strong electronic interaction between Fe and Au, and proposes a lattice OER mechanism based on FeOxHy.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Yingshi Su, Yonghui Cheng, Zhen Li, Yanjia Cui, Caili Yang, Ziyi Zhong, Yibing Song, Gongwei Wang, Lin Zhuang
Summary: This study systematically investigates the key roles of Nafion on Cu nanoparticles electrocatalyst for CO2RR. The Nafion modifier suppresses the hydrogen evolution reaction, increases CO2 concentration and mass transfer process, and activates CO2 molecule to enhance C2 product generation. As a result, the selectivity of the hydrogen evolution reaction is reduced and the efficiency of C2 products is significantly improved.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Daijie Deng, Honghui Zhang, Jianchun Wu, Xing Tang, Min Ling, Sihua Dong, Li Xu, Henan Li, Huaming Li
Summary: By doping sulfur into vanadium nitride, the S-VN/Co/NS-MC catalyst exhibits enhanced oxygen reduction reaction activity and catalytic performance. When applied in liquid and flexible ZABs, it shows higher power density, specific capacity, and cycling stability.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Review
Chemistry, Applied
Yi Li, Fei Zhang
Summary: Self-assembly of metal halide perovskite nanocrystals holds significant application value in the fields of display, detector, and solar cell due to their unique collective properties. This review covers the driving forces, commonly used methods, and different self-assembly structures of perovskite nanocrystals. Additionally, it summarizes the collective optoelectronic properties and application areas of perovskite superlattice structures, and presents an outlook on potential issues and future challenges in the development of perovskite nanocrystals.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Anki Reddy Mule, Bhimanaboina Ramulu, Shaik Junied Arbaz, Anand Kurakula, Jae Su Yu
Summary: Direct growth of redox-active noble metals and rational design of multifunctional electrochemical active materials play crucial roles in developing novel electrode materials for energy storage devices. In this regard, silver (Ag) has attracted great attention in the design of efficient electrodes. The construction of multifaceted heterostructure cobalt-iron hydroxide (CFOH) nanowires (NWs)@nickel cobalt manganese hydroxides and/or hydrate (NCMOH) nanosheets (NSs) on the Ag-deposited nickel foam and carbon cloth (i.e., Ag/ NF and Ag/CC) substrates is reported. The as-fabricated Ag@CFOH@NCMOH/NF electrode delivered superior areal capacity value of 2081.9 μA h cm-2 at 5 mA cm-2. Moreover, as-assembled hybrid cell based on NF (HC/NF) device exhibited remarkable areal capacity value of 1.82 mA h cm-2 at 5 mA cm-2 with excellent rate capability of 74.77% even at 70 mA cm-2. Furthermore, HC/NF device achieved maximum energy and power densities of 1.39 mW h cm-2 and 42.35 mW cm-2, respectively. To verify practical applicability, both devices were also tested to serve as a self-charging station for various portable electronic devices.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Zanling Huang, Shuqi Zhu, Yuan Duan, Chaoran Pi, Xuming Zhang, Abebe Reda Woldu, Jing-Xin Jian, Paul K. Chu, Qing-Xiao Tong, Liangsheng Hu, Xiangdong Yao
Summary: In this study, it was found that Ni sites act as a host to attract Fe(III) to form Fe(Ni)(III) binary centers, which promote the oxygen evolution reaction (OER) activity and stability by cyclical formation of intermediates. Additionally, other ions can also catalyze the OER process on different electrodes.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Jie Zeng, Jian Bao, Ya Zhang, Xun-Lu Li, Cui Ma, Rui-Jie Luo, Chong-Yu Du, Xuan Xu, Zhe Mei, Zhe Qian, Yong-Ning Zhou
Summary: The balance between cationic redox and oxygen redox is crucial for achieving high energy density and cycle stability in sodium batteries. This study demonstrates the reversible Mn2+/Mn4+ redox in a P3-Na0.65Li0.2Co0.05Mn0.75O2 cathode material through Co substitution, effectively suppressing the contribution of oxygen redox and improving structure stability.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Daniela M. Josepetti, Bianca P. Sousa, Simone A. J. Rodrigues, Renato G. Freitas, Gustavo Doubek
Summary: Lithium-oxygen batteries have high energy density potential but face challenges in achieving high cyclability. This study used operando Raman experiments and electrochemical impedance spectroscopy to evaluate the initial discharge processes in porous carbon electrodes. The results indicate that the reaction occurs at the Li2O2 surface and the growth of Li2O2 forms a more compact and homogeneous structure.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Ziqi Zhang, Jinyun Xu, Yu Zhang, Liping Zhao, Ming Li, Guoqiang Zhong, Di Zhao, Minjing Li, Xudong Hu, Wenju Zhu, Chunming Zheng, Xiaohong Sun
Summary: This paper explores the challenge of increasing global CO2 emissions and highlights the role of porous metal oxide materials in electrocatalytic reduction of CO2 (CO2RR). Porous metal oxides offer high surface area and tunability for optimizing CO2RR reaction mechanisms.
JOURNAL OF ENERGY CHEMISTRY
(2024)
