Article
Chemistry, Physical
Hee Jae Kim, Jae Hyeon Jo, Ji Ung Choi, Natalia Voronina, Docheon Ahn, Tae-Yeol Jeon, Hitoshi Yashiro, Yauhen Aniskevich, Genady Ragoisha, Eugene Streltsov, Seung-Taek Myung
Summary: Carbon-modified Li4Ti5O12 spinel successfully stores potassium and exhibits excellent electrode performance, including high initial charge capacity, cycling stability, and high-rate capability.
ENERGY STORAGE MATERIALS
(2021)
Article
Chemistry, Physical
Shu-Biao Xia, Yu-Qing Cai, Li-Feng Yao, Jun-You Shi, Fei-Xiang Cheng, Jian-Jun Liu, Zhen-jiang He, Jun-Chao Zheng
Summary: The feasibility of various characteristics of a two-dimensional covalent organic polymer offers exclusive alternative electrode materials for lithium storage. In this work, a nitrogen-rich two-dimensional covalent quinazoline polymer was designed and developed, showing excellent electrochemical performance as an anode for lithium-ion batteries.
ENERGY STORAGE MATERIALS
(2022)
Article
Energy & Fuels
Hong Zeng, Yawen He, Mohamad Chamas
Summary: A Si/Cu composite anode was prepared using a solid mechanosynthesis method and wet chemical etching. The addition of Al80Si20 and super p carbon improved the homogeneity and stability of Si/Cu distribution. The synthesized Si/Cu composites showed higher stability and performance after cycling.
FRONTIERS IN ENERGY RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Nurbolat Issatayev, Gulnur Kalimuldina, Arailym Nurpeissova, Zhumabay Bakenov
Summary: New porous activated carbons were synthesized as an anode material for lithium-ion batteries using a one-step, sustainable, and environmentally friendly method. Among the four chemical activators investigated, the AC prepared with KOH demonstrated the best electrochemical performance with high reversible capacity. The AC from agar showed stable cycling performance even at high rates.
Article
Nanoscience & Nanotechnology
Lu Zhao, Lu Zheng, Xiaopeng Li, Han Wang, Li-Ping Lv, Shuangqiang Chen, Weiwei Sun, Yong Wang
Summary: The COF-Co material, as an organic electrode for potassium ion batteries, shows enhanced cycling stability and good rate properties due to its enhanced pi-pi accumulation and abundant defects, as well as the promotion of pi-K+ interaction and shortened diffusion distance of ion/electron.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Ce Liang, Jianfu Chen, Kaifeng Yu, Wenming Jin
Summary: The novel ZnMn2O4 sphere/jute porous carbon composite material exhibits high cycling stability and excellent electrochemical performance as an anode material for lithium-ion batteries.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Ji Ma, Yuankun Li, Xiaojie Wei, Chunting Liu
Summary: Reduction roasting strategy was employed to transform hematite into powerful anode materials to store Li+, Na+, and K+ ions, constructing a porous structure to enhance ion accessibility. The newly-designed anodes were tested for storage capacity, cycling stability, and rate performances, while cyclic voltammetry curves and electrochemical impedance spectra were measured to unveil ion-storage mechanisms.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Multidisciplinary
Wen-Wen Gou, Shuang Zhou, Xin-Xin Cao, Yi-Lin Luo, Xiang-Zhong Kong, Jing Chen, Xue-Fang Xie, An-Qiang Pan
Summary: In this work, a porous carbon supported Li3VO4 composite was prepared via a simple agitation-drying method followed by calcination, showing excellent cycling stability and high performance at high current density. This provides a promising approach for practical application of Li3VO4 as an anode material for lithium-ion batteries.
Article
Chemistry, Physical
Yanqin Shi, Lu Wang, Dan Zhou, Tianli Wu, Zhubing Xiao
Summary: This study investigates the use of a 3D flower-like antimony oxychloride as an anode material for potassium ion batteries, achieving high reversible capacity, decent cycling performance and rate capability.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Changting Chu, Limin Chang, Dongming Yin, Dongyu Zhang, Yong Cheng, Limin Wang
Summary: The study focuses on preparing nickel-cobalt-manganese composite oxide with a higher lithium storage capacity and excellent stability through simple coprecipitation and high-temperature annealing methods. This material shows promising potential as an anode material in high-energy-density lithium-ion batteries.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Xiao-Xi Luo, Wen-Hao Li, Hao-Jie Liang, Hong-Xia Zhang, Kai-Di Du, Xiao-Tong Wang, Xin-Fang Liu, Jing-Ping Zhang, Xing-Long Wu
Summary: This study reports an exfoliated polyimide COF composite prepared on single-walled carbon nanotubes as an advanced anode for potassium-ion batteries, demonstrating efficient ion diffusion and extended stability.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Zhe Bai, Jielong He, Jiani Wu, Zhengyu Zhang, Xinping Huang, Jun Li
Summary: In this study, white onion was used as a biomass material to synthesize layered porous SiOx/C anode material through activation treatment, pre-calcination, and aluminothermic reduction. The results showed that the porous structure of SiOx/C could be effectively controlled by varying the activation treatment temperature. The SiOx/C-6 anode material obtained at an activation temperature of 600 degrees C exhibited the best electrochemical performance.
Article
Nanoscience & Nanotechnology
Fei Jiang, Yeji Wang, Tianpei Qiu, Yi Zhang, Weijie Zhu, Chaofan Yang, Junjie Huang, Zebo Fang, Guoliang Dai
Summary: In this study, covalent triazine frameworks (CTFs-1) were synthesized with vertical pores and layered spaces for efficient Li+ transfer, showing superlithiation property with high specific capacities and stable cycling performance at high current densities. The ultrahigh capacity of CTFs-1-400 is mainly attributed to the capacitance of micropores and the redox capacity of benzene and triazine rings. Additionally, CTFs-1-400 exhibits almost no capacity fading for 1000 cycles at 1 A g(-1).
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Jiaxin Ma, Shuanghao Zheng, Feng Zhou, Yuanyuan Zhu, Pratteek Das, Rong Huang, Liangzhu Zhang, Xiao Wang, Hui Wang, Yi Cui, Zhong-Shuai Wu
Summary: The revival of Li metal batteries is enabled by the use of 3D printed conductive Ti3C2Tx MXene scaffolds and porous LiFePO4 lattices, which allows for high-mass-loading LMBs with prolonged lifespan and high energy density. The combination of the exceptional lithiophilic feature of Ti3C2Tx and the hierarchically conductive LiFePO4 framework enables the stable deposition of metallic Li and improves the performance of the battery.
ENERGY STORAGE MATERIALS
(2023)
Article
Chemistry, Physical
Qili Yang, Kaikai Lv, Lanju Liang, Ji Ma, Chunting Liu, Xin Yan, Meng Wang, Haiyun Yao, Dequan Wei, Dianguo Ma, Kang Xie
Summary: Layered double hydroxides (LDHs) are investigated as anode materials for potassium ion batteries (PIBs), with MgFe-LDH showing higher K+ storage capacity but lower initial Coulombic efficiency compared to MgAl-LDH. The dominant mechanisms for K+ storage in these materials are electrical double layer effect and a faradaic process involving a conversion reaction between Fe3+ and Fe2+. The study suggests the potential of developing LDHs as efficient anode materials for PIBs.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Multidisciplinary
Hua Zhang, Yucun Zhou, Kai Pei, Yuxin Pan, Kang Xu, Yong Ding, Bote Zhao, Kotaro Sasaki, YongMan Choi, Yu Chen, Meilin Liu
Summary: Ammonia protonic ceramic fuel cells (PCFCs) have the potential to be a highly efficient power source with high energy density, but the catalytic activity of existing anodes for ammonia utilization is inadequate. This study presents an Fe-modified Ni/BZCYYb anode with enhanced activity and durability, providing valuable guidance for the development of efficient electro-catalysts for ammonia PCFCs.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Review
Materials Science, Multidisciplinary
Hanchen Tian, Zheyu Luo, Yufei Song, Yucun Zhou, Mingyang Gong, Wenyuan Li, Zongping Shao, Meilin Liu, Xingbo Liu
Summary: In recent years, the hydrogen economy has gained strong support from governments and industrial bodies worldwide. Protonic ceramic electrochemical cells (PCECs) have attracted significant attention due to their lower operation temperature, reversible operation, and potential for further development. However, there are still many challenges that need to be addressed. This review aims to provide insightful perspectives on the critical challenges facing PCEC development, prioritize future efforts, and propose promising directions for advancement.
INTERNATIONAL MATERIALS REVIEWS
(2023)
Article
Engineering, Environmental
Ting Liu, Shuang Cheng, Luping Li, Xu Ji, Gyutae Nam, Xingbin Yan, Meilin Liu
Summary: Rechargeable aqueous batteries are hindered by durability, capacity, and Coulombic efficiency issues. However, a new Ni-Zn system with concentrated gel electrolyte, ZnO@C anode, and Ni(OH)2 cathode shows improved stability and capacity. The battery also achieves a high midpoint discharge voltage and maintains high CE, with K+ insertion dominating the reaction mechanism.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Hong Huang, Zhongqing Jiang, Xiaoning Tian, Yingying Zheng, Zhong-Jie Jiang
Summary: To overcome the limitations of noble metal Pt in terms of cost and availability, researchers have utilized hollow graphene spheres as carriers and introduced hetero-atoms such as nitrogen, iron, and cobalt to form efficient active sites. This improves the catalytic activity of the electrode material and the utilization efficiency of Pt.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Multidisciplinary
Zheyu Luo, Yucun Zhou, Xueyu Hu, Weining Wang, Yong Ding, Weilin Zhang, Tongtong Li, Nicholas Kane, Zhijun Liu, Meilin Liu
Summary: This study reports a new class of hexavalent Mo/W-doped proton-conducting electrolyte, BaMo(W)(0.03)Ce0.71Yb0.26O3-delta, which exhibits excellent durability and high ionic conductivity. This material demonstrates significantly enhanced chemical stability against high concentrations of steam and carbon dioxide, while maintaining similar ionic conductivity. P-ReSOCs based on this material show high peak power densities in the fuel cell mode and can operate stably during steam electrolysis.
Article
Materials Science, Multidisciplinary
Fan He, Feng Zhu, Dongliang Liu, Yucun Zhou, Kotaro Sasaki, YongMan Choi, Meilin Liu, Yu Chen
Summary: The electrochemical activity and durability of an air electrode with Pr0.2Ba0.2Sr0.2La0.2Ca0.2CoO3-d (PBSLCC) is boosted through A-site entropy engineering. PBSLCC electrode demonstrates enhanced oxygen reaction activity and excellent durability compared to binary and ternary double perovskites. The high-entropy perovskite PBSLCC offers a rational design for air electrodes in reversible solid oxide electrochemical cells (R-SOECs) with high activity and durability.
Review
Materials Science, Multidisciplinary
Tong Hu, Fan He, Meilin Liu, Yu Chen
Summary: Solid oxide cells (SOCs) have gained widespread attention for their high efficiency in converting various fuels to electricity, renewable electricity to green hydrogen or value-added commodities, and tri-generation of power, heat, and hydrogen. Enhancing the electrocatalytic activity of electrodes through in situ/operando regulation of reaction processes on hetero-structured electrodes has been proven effective in improving the performance and durability of SOCs. The unique compositions, structures, and microscopic features of the heterostructures play a critical role in enhancing the electrocatalytic activity and durability of the electrodes.
PROGRESS IN MATERIALS SCIENCE
(2023)
Article
Chemistry, Physical
Haohao Yan, Zhongqing Jiang, Binglu Deng, Yongjie Wang, Zhong-Jie Jiang
Summary: This work reports the synthesis of ultrathin nitrogen-doped carbon coated oxygen-vacancy rich RuO2 nanoparticles on carbon nanotubes as an efficient and acid-stable electrocatalyst for the oxygen evolution reaction. It exhibits high activity and excellent stability, surpassing the commercial RuO2 catalyst. The presence of oxygen vacancies strengthens the electronic coupling and enhances catalytic activity.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Tongtong Li, Shengchi Huang, Nicholas Kane, Jeng-Han Wang, Zheyu Luo, Weilin Zhang, Gyutae Nam, Bote Zhao, Yabing Qi, Meilin Liu
Summary: This study investigates the correlation between the structural evolution of Nb2O5 and its electrochemical properties during lithiation through in situ Raman spectroscopy. The lithium storage mechanism is unraveled using DFT calculations, including adsorption site preference, electronic structure, and specific pathways for lithium transport. This work provides important insights for the design of high-rate lithium storage materials based on niobium compounds.
ACS ENERGY LETTERS
(2023)
Article
Nanoscience & Nanotechnology
Nicholas Kane, Zheyu Luo, Yucun Zhou, Yong Ding, Alex Weidenbach, Weilin Zhang, Meilin Liu
Summary: Proton-conducting reversible solid oxide cells are a promising technology for efficient conversion between electricity and chemical fuels, making them well-suited for the deployment of renewable energies and load leveling. The bilayer electrolyte design combines a highly conductive electrolyte with a highly stable protection layer, enhancing chemical stability while maintaining high electrochemical performance.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Haoyu Li, Hyong June Kim, ThomasJae Garcia, Geonwoo Park, Yong Ding, Meilin Liu, Jihwan An, Min Hwan Lee
Summary: In this study, a highly effective approach to enhance air electrode performance and durability in solid oxide electrolyzer cells (SOECs) was presented. An ultrathin layer of metallic Ru was deposited onto (La0.6Sr0.4)(0.95)Co0.2Fe0.8O3-& delta; (LSCF) using plasma-enhanced atomic layer deposition (PEALD), resulting in the formation of SrRuO3 perovskite structure which played a crucial role in improving OER durability and reducing resistance to the ORR.
Article
Chemistry, Physical
Zhikai Shi, Chengwei Mao, Lei Zhong, Jiayao Peng, Meilin Liu, Hexing Li, Jianlin Huang
Summary: By incorporating molybdenum into the Ni3S4 lattices grown on carbonized wood, a novel electrocatalyst MoNi3S4/CW was created for overall water splitting. The addition of molybdenum optimizes the adsorption energy of hydrogen/oxygen species and regulates the local charge density of active sites, promoting the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The electrolyzer composed of Mo-Ni3S4/CW electrodes shows low cell voltage and superior durability for overall water splitting.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Ziming Wang, Ting Tan, Ke Du, Qimeng Zhang, Meilin Liu, Chenghao Yang
Summary: This study reports a new cathode for CO2 electrolysis, consisting of a high-entropy perovskite material coated with in situ exsolved CuFe alloy@FeOx nanoparticles. The cathode exhibits a consistently high current density and excellent stability under pure CO2 conditions, due to the introduction of oxygen vacancies and the extension of the triple-phase boundary.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Liping Guo, Zhongqing Jiang, Binglu Deng, Yongjie Wang, Zhong-Jie Jiang
Summary: The carbon nanotubes supported amorphous Sb doped substoichiometric tin dulfide with a carbon coating is an efficient anode material for K+ storage. Its unique structure, combining carbon integration/coating, metal doping, and desulfurization-induced amorphous structure, contributes to its high performance.
Article
Chemistry, Multidisciplinary
Yoojin Ahn, Tongtong Li, Shengchi Huang, Yong Ding, Shineui Hwang, Weining Wang, Zheyu Luo, Jeng-Han Wang, Gyutae Nam, Meilin Liu
Summary: The mixed phase material d-H,M-Nb2O5 is reported as an excellent anode material for lithium-ion batteries, with the ability to store lithium quickly and maintain stability and reversibility during cycling. The unique structure of d-H,M-Nb2O5 promotes fast charging and high capacity retention over a large number of cycles.
ADVANCED FUNCTIONAL MATERIALS
(2023)
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)
