Article
Chemistry, Applied
Ting-Ting Wei, Panpan Peng, Yu-Rui Ji, Yan-Rong Zhu, Ting-Feng Yi, Ying Xie
Summary: One-dimensional Li5Cr7Ti6O25/C nanofibers prepared by electrospinning method exhibit enhanced kinetic properties and high cycling stability, demonstrating excellent rate capability and high cycling stability.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Qinghua Wang, Wei Wang, Junlin Huang, Hong Yin, Yucan Zhu, Haitao Wang, Minjie Zhou, Binhong He, Zhaohui Hou, Wenyuan Xu
Summary: In this study, CoP/CNF composite was prepared using electrospinning method, and the size of CoP nanocrystals was controlled by nano-confined effect. The results showed that the CoP/CNF composite exhibited excellent lithium storage performance.
Article
Engineering, Electrical & Electronic
Hongquan Yu, Yutian Deng, Baojiu Chen, Yong Zhang, Hong Zhao
Summary: BiFeO3, GdFeO3, and GdFeO3/graphene nanofibers were synthesized using electrospinning technique. Their structure, size, and morphology were characterized by various techniques. The electrochemical performance of these nanofibers for lithium-ion batteries was evaluated, and the GdFeO3/graphene composite showed superior performance compared to BiFeO3 and GdFeO3 nanofibers.
JOURNAL OF ELECTRONIC MATERIALS
(2023)
Article
Chemistry, Physical
Lulin Xie, Jianqiang Bi, Zheng Xing, Xicheng Gao, Linjie Meng, Chen Liu
Summary: This study successfully hybridized MAX phase Ti2SnC with carbon nanofibers to create compounds with stable lithium ion storage capability, achieving a high specific capacity after 500 charge/discharge cycles at a certain current density. This provides a new pathway for improving the electrochemical stability of MAX phases.
JOURNAL OF POWER SOURCES
(2022)
Article
Chemistry, Physical
Xijun He, Xiaodong Wang, Ming Tang, Han Zhang, Yu Wang
Summary: This study presents a ZnP2 @NPCNFs composite as a binder-free anode for LIBs, showing superior electrochemical performance. The composite improves conductivity, buffers volume changes, and inhibits nanoparticle aggregation to achieve high cycling stability and capacity retention.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Yu Xin, Haoyi Mou, Chang Miao, Shuqing Nie, Minyue Wen, Guowen He, Wei Xiao
Summary: The SnCu-SiO2 @ CNFs composite nanofibers were successfully fabricated, resulting in improved structural integrity and electrochemical performance of the composite electrodes. The encapsulation of Sn-Cu alloy particles in CNFs and the incorporation of SiO2 mitigated phase separation and increased Li+ diffusion coefficient. The facile strategy offers prospective guidance for alloy anodes in energy storage.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Multidisciplinary
Mingyu Guan, Zhi Li, Jie Ouyang, Gangyong Li, Liang Chen, Minjie Zhou, Binhong He, Wenyuan Xu, Wei Wang, Zhaohui Hou
Summary: A facile strategy to embed Ni(x)S(y) quantum dots into N-doped carbon nanofibers (NCNFs) is proposed in this study. The as-prepared material exhibits excellent electrochemical performance and structure stability, and shows promising results when applied to commercial lithium-ion battery devices.
MATERIALS TODAY COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Wangwu Li, Jiao Peng, Hui Li, Zhenyu Wu, Yuehua Huang, Baobao Chang, Xiaowei Guo, Gairong Chen, Xianyou Wang
Summary: A flexible freestanding N-doped core-shell Si/C nanofiber anode was prepared in this study, which addresses the issues of volume change and low conductivity of silicon materials, demonstrating good cycling performance.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Analytical
Sumana Bandyopadhyay, Amit Gupta, Rajiv Srivastava, Bhanu Nandan
Summary: Solid polymer electrolytes based on ionene oligomers with varying oxyethylene spacers were synthesized. The presence of oxyethylene linkers significantly affected Li+ ion coordination and ionic conductivity. The binary mixtures were incorporated in an electrospun nanofibrous framework to form a free-standing solid polymer electrolyte, and its electrochemical performance in a Li/LiFePO4 (LFP) battery was evaluated.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Engineering, Environmental
Xuepeng Ni, Zhe Cui, Hongxia Luo, Huifang Chen, Chenglin Liu, Qilin Wu, Anqi Ju
Summary: In this study, three types of flexible 3D-interconnected carbon nanofibers were prepared and used as substrates for vertically grown ultrathin MoSe2 nanosheets. The resulting composites were employed as freestanding anodes for lithium-ion batteries, with the hollow multi-nanochannel structure of NHMCFs delivering the highest capacity after 400 cycles at 1 A g-1. The multi-nanochannel structure in NMCFs and NHMCFs helps alleviate volume changes during charge-discharge processes, while the uniform coating of MoSe2 nanosheets on NHMCFs increases mass loading and capacity.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Jian Yu, Chaoran Zhang, Weidong Wu, Yuankun Cai, Yafei Zhang
Summary: Silicon has garnered attention for its high specific capacity and abundant reserves, but its volumetric changes during charging and discharging processes have hindered industrial utilization. This study introduces a novel hybrid anode material, Si@void/CNF, designed with a nodes-connected structure that provides both a conductive reticulation for silicon nanoparticles and addresses volume variation. By adjusting the mass ratio of silicon to PMMA, an optimal structure was achieved, demonstrating excellent electrochemical performance with high specific capacity and cycling stability. The electrospun structure of nodes-connected Si@void/CNF offers a promising method for fabricating advanced silicon-based anode materials.
APPLIED SURFACE SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
Xuepeng Ni, Zhe Cui, Ning Jiang, Huifang Chen, Qilin Wu, Anqi Ju, Meifang Zhu
Summary: MoS2 nanoflowers with ultra-large interlayer spacing were fabricated on N-doped hollow multi-nanochannel carbon nanofibers to create freestanding binder-free anodes for lithium-ion batteries. The unique structure led to high rate capability and ultralong cycling stability, making it a promising candidate for high power density LIBs.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Physical
Shuli Li, Jinqiang Zhang, Huixia Chao, Xiaojie Tan, Xiaocui Wu, Shengbao He, Haiyan Liu, Mingbo Wu
Summary: Lithium-ion capacitors (LICs) with nitrogen-doped amorphous carbon and hierarchically porous structure exhibit high rate capacity and cycling stability. By assembling NAC-L-Co3O4//NPCP LICs, high energy density and high power output are achieved. Additionally, LIC devices demonstrate excellent cycle lifespan.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Nanoscience & Nanotechnology
Jie Wang, Lan Xu
Summary: Si-based hierarchical carbon nanofibers derived from coaxial electrospun nanofibers are proposed as high-performance anodes for lithium-ion batteries, offering a simple, efficient, and environmentally friendly method. By introducing an oxide layer onto Si nanoparticles and utilizing the hierarchical porous structure of carbon nanofibers, the Si anode demonstrates reduced volume expansion, improved cyclic stability, and a large reversible capacity.
ACS APPLIED NANO MATERIALS
(2023)
Article
Engineering, Environmental
Yunda Lai, Tengjun Yang, Yang Yang, Wangyang Li, Yonghui Xie, Shuying Cheng, Li Qiao, Xinghui Wang
Summary: A Si@CNFs interlayer with three-dimensional porous and conductive structure is used to improve the cycling stability and energy density of lithium metal batteries by regulating lithium deposition behaviors and buffering volume changes.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Seung Hyeon Ko, Taekyoung Lee, Hongjun Park, Doo-Sik Ahn, Kyoungsoo Kim, Yonghyun Kwon, Sung June Cho, Ryong Ryoo
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2018)
Article
Chemistry, Applied
Sung Jun Park, Hoi-Gu Jang, Kwan-Young Lee, Sung June Cho
MICROPOROUS AND MESOPOROUS MATERIALS
(2018)
Article
Chemistry, Physical
Jintu Francis Kurisingal, Robin Babu, Seol-Hee Kim, Yi Xin Li, Jong-San Chang, Sung June Cho, Dae-Won Park
CATALYSIS SCIENCE & TECHNOLOGY
(2018)
Article
Chemistry, Physical
Taekyoung Lee, Seung Hyeon Ko, Sung June Cho, Ryong Ryoo
CHEMISTRY OF MATERIALS
(2018)
Article
Chemistry, Applied
Soon Hee Park, Seung Gwan Lee, Sung June Cho
Article
Chemistry, Multidisciplinary
Aram Jeon, Jintaek Gong, Jun Kyun Oh, Sunbum Kwon, Wonchul Lee, Sang Ouk Kim, Sung June Cho, Hee-Seung Lee
CHEMISTRY-AN ASIAN JOURNAL
(2019)
Article
Energy & Fuels
Jungmin Yu, Seung Wook Baek, Sung June Cho
Article
Chemistry, Applied
Priyanka Verma, Kohsuke Mori, Yasutaka Kuwahara, Sung June Cho, Hiromi Yamashita
Article
Thermodynamics
Jerin John, Purushothaman Nandagopalan, Seung Wook Baek, Sung June Cho
COMBUSTION AND FLAME
(2020)
Article
Chemistry, Physical
Hyungwon Ham, Hyun Seung Jung, Hyo Seok Kim, Jihyeon Kim, Sung June Cho, Won Bo Lee, Myung-June Park, Jong Wook Bae
Article
Nanoscience & Nanotechnology
Su-Kyung Lee, Hongjun Park, Ji Woong Yoon, Kiwoong Kim, Sung June Cho, Guillaume Maurin, Ryong Ryoo, Jong-San Chang
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Chemistry, Applied
Min Sik Kim, Ki Hun Park, Sung June Cho, Eun Duck Park
Summary: The study found that the catalyst preparation method has a significant impact on the catalytic activity of Fe-ZSM-5 for the partial oxidation of methane with H2O2 in an aqueous phase. The aqueous phase ion-exchange method demonstrated the best results, producing isolated or oligonuclear extra-framework Fe species with the highest catalytic activity.
Article
Chemistry, Physical
Eunhee Jang, Jeong Hyeon Lee, Sungwon Hong, Yanghwan Jeong, Jin Chul Kim, Dongjae Kim, Hionsuck Baik, Eunjoo Kim, Nakwon Choi, Jaewook Nam, Sung June Cho, Sang Kyu Kwak, Jungkyu Choi
JOURNAL OF MATERIALS CHEMISTRY A
(2020)
Article
Materials Science, Multidisciplinary
Ikue Abe, Mitsuo Hara, Takahiro Seki, Sung June Cho, Masaki Shimizu, Kazunori Matsuura, Hae-Kap Cheong, Jin Young Kim, Jihun Oh, Jaehoon Jung, Mina Han
JOURNAL OF MATERIALS CHEMISTRY C
(2019)
Article
Chemistry, Physical
Jaeha Lee, YoungSeok Ryou, Sungha Hwang, Yongwoo Kim, Sung June Cho, Hyokyoung Lee, Chang Hwan Kim, Do Heui Kim
CATALYSIS SCIENCE & TECHNOLOGY
(2019)
Article
Electrochemistry
Abdul Qayoom Mugheri, Shaista Khan, Ali Asghar Sangah, Aijaz Ahmed Bhutto, Muhammad Younis Laghari, Nadeem Ahmed Mugheri, Asif Ali Jamali, Arsalan Ahmed Mugheri, Nagji Sodho, Abdul Waheed Mastoi, Aftab Kandhro
Summary: Green hydrogen has the potential to transition to a pollution-free energy infrastructure. This study proposes a solution to produce hydrogen during the photoelectrochemical process, offering greater stability and control over chemical reactions. Techno-economic assessments show the efficiency and economic feasibility of co-producing value-added chemicals to enhance green hydrogen production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Danpeng Cheng, Wuxin Sha, Qigao Han, Shun Tang, Jun Zhong, Jinqiao Du, Jie Tian, Yuan-Cheng Cao
Summary: LiNixCoyMn1-x-yO2 (NCM) is a critical cathode material for lithium-ion batteries in electric vehicles. The aging of cathode/electrolyte interfaces leads to capacity degradation and long-term cycle instability. A novel neural network model called ACGNet is developed to predict electrochemical stability windows of crystals, allowing for high-throughput screening of coating materials. LiPO3 is identified as a promising coating material with high oxidation voltage and low cost, which significantly improves the cycle stability of NCM batteries. This study demonstrates the accuracy and potential of machine learning in battery materials.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
P. Mohana, R. Yuvakkumar, G. Ravi, S. Arunmetha
Summary: This study successfully fabricates a non-noble CuO/NiO/rGO nanocomposite and investigates its electrocatalytic performance for oxygen evolution reaction in alkaline environment. The experimental results demonstrate that the electrocatalyst exhibits high activity and good stability, offering a new synthetic approach for sustainable energy production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Qiong Qu, Jing Guo, Hongyu Wang, Kai Zhang, Jingde Li
Summary: In this study, a bifunctional electrode host design consisting of carbon nanofibers implanted ordered porous Co-decorated Al2O3 supported on carbon nanotube film (CNTF) was proposed to address the shuttling effect of lithium polysulfides (LiPSs) and dendrite formation of metal lithium anode in lithium-sulfur (Li-S) batteries. The electrode exhibited excellent conductivity, efficient confinement of LiPSs, and catalytic conversion performance, resulting in high initial capacity and good capacity retention during cycling. As an anode, the electrode showed excellent Li+ diffusion performance and uniform lithium growth behavior, achieving a dendrite-free lithium electrode. The flexible pack cell assembled from these electrodes delivered a specific capacity of 972 mAh g(-1) with good capacity retention.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Hong Zhang, Jin-Peng Yu, Chen Chen, Cheng-Yong Shu, Guang-Yu Xu, Jie Ren, Kai Cui, Wen-Fang Cai, Yun-Hai Wang, Kun Guo
Summary: Spray coating of acetylene black nanoparticles onto stainless steel mesh can enhance its biofilm formation ability and current density, making it a promising electrode material for microbial electrochemical systems. The spray coating method is simple, cost-effective, and suitable for large-size stainless steel electrodes.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Binpeng Hou, Jingjin Chen, Li-Hong Zhang, Xiaowen Shi, Zizhong Zhu
Summary: The electrochemical performance of Li1.20Mn0.44Ni0.32Co0.04O2 and its oxygen-deficient phase Li1.20Mn0.44Ni0.32Co0.04O1.83 was studied through first-principles calculations. The results show that the oxygen-deficient phase has a higher theoretical capacity but lower voltage platform and higher chemical activity compared to the pristine phase.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Yating Du, Sayoko Shironita, Daisuke Asakura, Eiji Hosono, Yoshitsugu Sone, Yugo Miseki, Eiichi Kobayashi, Minoru Umeda
Summary: This study investigates the effect of high- and low-temperature environments on the charge-discharge performance of a Li-ion battery. The deterioration mechanisms of the battery at different temperatures are analyzed through various characterization techniques. The results indicate that the battery performance deteriorates more significantly at a low-temperature environment of 5 degrees C compared to higher temperatures. The understanding of the deterioration mechanisms can contribute to the development of safer battery usage methods.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Si-Si Shi, Zhi-Xiang Yuan, Fei Zhang, Ping Chen
Summary: In this study, a new nano-electrocatalyst was prepared, which exhibited superior electrocatalytic activity for the reduction of NO2- to ammonia in a neutral electrolyte, potentially due to the synergistic enhancement between Co3O4-x and Co.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Berna Dalkiran, Havva Bekirog
Summary: This study reports the use of deep eutectic solvents (DES) based on ethylene glycol and urea as low-cost and green electrolytes for enhancing electrochemical detection of natural antioxidants. The study successfully developed a disposable and effective electrochemical sensing platform for simultaneous determination of ascorbic acid (AA) and gallic acid (GA) using NaOH nanorods on a pencil graphite electrode. The proposed electrode showed improved analytical performance, with higher peak currents and shifted oxidation potentials in DES compared to BR buffer medium.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Sijun Ren, Jianguo Huang
Summary: In this study, a novel bio-inspired nanofibrous WO3/carbon composite was synthesized using a facile hydrothermal method. The three-dimensional network structure of the composite alleviated the volume expansion of WO3 nanorods and enhanced the charge-transport kinetics. The optimized composite exhibited superior lithium storage properties.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Zhilong Zheng, Yu Chen, Hongxia Yin, Hengbo Xiao, Xiangji Zhou, Zhiwen Li, Ximin Li, Jin Chen, Songliu Yuan, Junjie Guo, Haibin Yu, Zhen Zhang, Lihua Qian
Summary: This study found that interstitial Zn cations in CoMoO4 can modulate the dissolution kinetics of Mo cations and improve the OER performance. The interstitial Zn cations can prevent the dissolution of Co cations at high potential, enhancing the durability of the catalyst.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Xiaobo Lin, Shern R. Tee, Debra J. Searles, Peter T. Cummings
Summary: Molecular dynamics simulations using the constant potential method were used to investigate the charging dynamics and charge storage of supercapacitors. The simulations revealed that the water-in-salt electrolyte exhibited the highest charge storage and significantly higher capacitance on the negative electrode. The varying contributions of different electrode regions to supercapacitor performance were also demonstrated.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Wiktoria Lipinska, Vita Saska, Katarzyna Siuzdak, Jakub Karczewski, Karol Zaleski, Emerson Coy, Anne de Poulpiquet, Ievgen Mazurenko, Elisabeth Lojou
Summary: The spatial distribution of enzymes on electrodes is important for bioelectrocatalysis. In this study, controlled spatial distribution of gold nanoparticles on Ti nanodimples was achieved. The efficiency of enzymatic O2 reduction was found to be influenced by the size of the gold nanoparticles and their colocalization with TiO2. The highest stability of enzymatic current was observed with the largest gold nanoparticles.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Tariq M. Al-Hejri, Zeenat A. Shaikh, Ahmed H. Al-Naggar, Siddheshwar D. Raut, Tabassum Siddiqui, Hamdan M. Danamah, Vijaykumar V. Jadhav, Abdullah M. Al-Enizi, Rajaram S. Mane
Summary: This study explores a promising self-growth approach for the synthesis of nickel hydroxide (Ni(OH)2) nanosponge-balls on the surface of a nickel-foam (NiF) electrode. The modified NiF electrode, named Ni(OH)2@NiF, shows distinctive nanosponge-ball morphology and demonstrates excellent energy storage capability and electrocatalytic performance in both hydrogen and oxygen evolution reactions.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Rafael Del Olmo, Gregorio Guzman-Gonzalez, Oihane Sanz, Maria Forsyth, Nerea Casado
Summary: The use of Lithium-Ion Batteries (LIBs) is becoming increasingly extensive, and it is important to optimize the devices to achieve their maximum practical specific capacity. In this study, mixed ionic-electronic conducting (MIEC) binders based on PEDOT:PSS and PEDOT: PDADMA-TFSI were developed for Li-ion cathodes, and their performance was compared with conventional formulations. The influence of electrode formulations, including the addition of conducting carbon and an Organic Ionic Plastic Cristal (OIPC), was also analyzed. The proposed binders showed improved performance compared to conventional formulations with different electrolyte types and active materials.
ELECTROCHIMICA ACTA
(2024)