Article
Chemistry, Multidisciplinary
Ting-Yu Lee, Wei-Ren Liu
Summary: By introducing reduced graphene oxide, the study effectively buffered the volume expansion of CoIn2S4, leading to improved cycle performance in lithium ion batteries.
Article
Chemistry, Multidisciplinary
Ji-Hye Koo, Seung-Min Paek
Summary: A Ge/GeO2/graphene composite material was synthesized to address the volume expansion issue of germanium/germanium oxide nanoparticles during charge/discharge cycles. The material showed superior cycling stability by trapping Ge/GeO2 nanoparticles between graphene nanosheets to offset the volume expansion effect. Transmission electron microscopy images confirmed the distribution of Ge/GeO2 nanoparticles on graphene nanosheets.
Article
Engineering, Environmental
Zichen Xu, Jing Yang, Shengxian Hou, Hongtao Lin, Shuhai Chen, Qiang Wang, Hao Wei, Jin Zhou, Shuping Zhuo
Summary: In this study, TDPP-based polymer derivatives/RGO composites were synthesized and showed excellent electrochemical performance as anodes for lithium-ion batteries. The participation of RGO enhanced the electronic conductivity and improved the capacity retention, making them promising candidates for LIBs.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Leichao Meng, Jianhong Peng, Yi Zhang, Yongfu Cui, Lingyun An, Peng Chen, Fan Zhang
Summary: In this paper, different methods were employed to prepare lithium vanadium oxide (LVO) samples. It was found that the LVO samples obtained by sol-gel method had uniform nanoparticle morphology. The LVO/graphene (GN) composite synthesized by sol-gel method showed outstanding cycling performance and rate performance, attributed to the improved distribution of LVO by flexible GN and the formation of a highly conductive network.
Article
Chemistry, Physical
Jiaqi Zhu, Dan Cai, Jingru Li, Xiuli Wang, Xinhui Xia, Changdong Gu, Jiangping Tu
Summary: In this study, a 40 μm thin lithium composite anode based on the AlN-embedded reduced graphene oxide (rGO) scaffold was proposed for solid-state lithium metal batteries. The composite anode facilitated well oriented Li deposition and effectively inhibited dendrite growth, leading to improved cycling capability and rate performance.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
Malcolm Lockett, Viviana Sarmiento, Matthew Gonzalez, Seungbae Ahn, Jiaying Wang, Ping Liu, Oscar Vazquez-Mena
Summary: A novel ultrathin binderless anode based on stacked reduced multilayer graphene oxide and silicon nanowires was developed, showing a high specific capacity and capacity retention after multiple cycles. This innovative approach of producing well-ordered graphene multilayers by chemical vapor deposition offers promise for enhancing the energy density and stability of lithium-ion batteries.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Wenlu Min, Xianghong Chen, Shuhan Huang, Yunlong Liao, Zhiyong Liang, Yu Lei, Jiantie Xu
Summary: The synthesis of reduced holey graphene oxides with different structures is important for the development of advanced lithium ion batteries. The rhG-400 as cathode for LIBs delivers high reversible capacity, excellent rate capability, and maintains an ultra-long cycling life.
Article
Chemistry, Multidisciplinary
Junaid Aslam, Yong Wang
Summary: The reduced graphene oxide/iron oxide and reduced graphene oxide/cobalt oxide composites were synthesized via a simple and scalable ball-milling method. The interaction between Fe2O3 and Co3O4 with the rGO matrix improves electronic conductivity and stabilizes volume variation during cycling, resulting in high specific capacities. The rGO/Fe2O3 and rGO/Co3O4 composites exhibit excellent electrochemical performance, with the rGO/Fe2O3T-5 and rGO/Co3O4T-5 composites showing higher reversible capacities and significant rate performance. These composites made by ball milling could be promising anode materials for LIBs due to their electrochemical efficiency, high capacity, and low cost. The findings may guide the development of other metal oxide-graphene composites for future applications.
Article
Chemistry, Physical
Jia-Lin Xu, Xue Zhang, Yu-Xin Miao, Man-Xi Wen, Wen-Jie Yan, Pai Lu, Zeng-Rong Wang, Qiang Sun
Summary: The study developed a lamellar Fe3O4-based electrode by growing carbon-coated Fe3O4 nanoparticles on reduced graphene oxide nanosheets, showing excellent cycle and rate performance in lithium/sodium-ion batteries.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Yao Chen, Zhenyuan Ji, Xiaoping Shen, Huaiyang Chen, Ying Qi, Aihua Yuan, Jingxia Qiu, Baolong Li
Summary: This study synthesized Zn2GeO4/RGO composites by growing Zn2GeO4 hollow rods on reduced graphene oxide, addressing the issues of volume expansion and capacity fading in Germanium-based ternary oxides used as LIB anodes. By adjusting the size of the Zn2GeO4 hollow rods and the content of RGO, the optimized composite showed excellent lithium storage performance, with pseudocapacitance-dominated behavior, high reversible capacity, excellent rate capability, and good cycling stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Electrochemistry
Shengyang Huang, Xue Qin, Chanrong Lei, Xinyu Miao, Tianyu Wei
Summary: The novel rGO-coated Si@SiOx@beta-Bi2O3/Bi composite exhibits high specific capacity and cycling stability, mainly achieved through the structural integrity guarantee of Si-core by Bi2O3 shell and synergistic action with Bi nanodots to expedite Li+/e(-) transport kinetics.
ELECTROCHIMICA ACTA
(2021)
Article
Green & Sustainable Science & Technology
Min Zhong, Jiawei Yan, Lei Wang, Ye Huang, Li Li, Shenghui Gao, Yafei Tian, Wenzhuo Shen, Jiali Zhang, Shouwu Guo
Summary: In this study, porous graphite modified with graphene oxide was prepared, resulting in a hierarchical porous composite material. This unique structure not only facilitates the transfer and diffusion of electrons and ions, but also provides more active sites, greatly improving the electrochemical performance. The composite material exhibits excellent reversible capacity, capacity retention, and cycling stability.
SUSTAINABLE MATERIALS AND TECHNOLOGIES
(2022)
Article
Chemistry, Physical
Rui Yu, Rongli Jiang, Zihan Zhou
Summary: To solve the problem of capacity attenuation in SiO2 during charge and discharge, a rGO@yolk-shell SiO2 structure was designed using reduced graphene oxide as the conductive network and loading carbon-coated SiO2 as the yolk-shell structure. The yolk-shell structure effectively mitigates volume change without damaging the carbon layer, and the combination of rGO and the carbon layer enables efficient electron transport. As an anode material for lithium-ion batteries, rGO@yolk-shell SiO2 exhibits stable cycling performance with a capacity of 616 mAh g-1 after 358 cycles at 0.1 A g-1. (c) 2022 Elsevier B.V. All rights reserved.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Ningfang Zhou, Gang Luo, Wei Qin, Chun Wu, Chuankun Jia
Summary: A composite of boron-doped cobalt oxide nanorods coupled with reduced graphene oxide was synthesized by a one-step hydrothermal method, and its electrochemical performance for sodium ion storage was investigated. The results showed that boron doping and the introduction of graphene can improve the cycling stability and storage capacity of the electrode material. Therefore, the doping of boron and introduction of graphene have promising potential in optimizing the electrochemical performance of anode materials.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Memona Idrees, Abid Inayat, Irfan Ullah, Karma Albalawi, Sami Ullah, Shahid Bashir, S. Wageh, Ali Haider, Ata-ur Rehman, Syed Mustansar Abbas, Qin Zhang, Xuanke Li
Summary: In this study, a hierarchically nanostructured lithium-ion storage anode material was developed by partial nitridation of Fe2O3 nanospheres anchored on reduced graphene oxide sheets. The incorporation of electron-rich N-moiety and the graphene network contribute to the superior cycling stability and rate performance of the material.
SURFACES AND INTERFACES
(2022)
Article
Neurosciences
Jianing Chen, Peikun He, Yuhu Zhang, Yuyuan Gao, Yihui Qiu, You Li, Qingxi Zhang, Limin Wang, Zhiheng Huang, Jiehao Zhao, Kun Nie, Lijuan Wang
Summary: Through a meta-analysis, it was found that repetitive transcranial magnetic stimulation (rTMS) and cognitive behavioral therapy (CBT) can significantly improve depression symptoms in PD patients, with rTMS also alleviating motor symptoms and being relatively safe. Other interventions did not have sufficient qualified studies to draw conclusions. Additionally, CBT was shown to improve depressive symptoms in comparison to clinical monitoring.
INTERNATIONAL JOURNAL OF NEUROSCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Yabin Shen, Yingqiang Wu, Hongjin Xue, Shaohua Wang, Dongming Yin, Limin Wang, Yong Cheng
Summary: The nucleation and growth process of spherical Ni0.6Co0.2Mn0.2(OH)(2) agglomerates using the hydroxide coprecipitation method in the presence of ammonia was studied. The concentration ratio of Me(NH3)(n)(2+) and OH- in the solution is crucial for obtaining high-quality materials. Experimentally, the HCP reaction was divided into three parts, and a prediction formula for the optimal synthesis conditions based on the optimal ratio was proposed.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Lin Zhou, Zhen Cao, Jiao Zhang, Hraoran Cheng, Gang Liu, Geon-Tae Park, Luigi Cavallo, Limin Wang, Husam N. Alshareef, Yang-Kook Sun, Jun Ming
Summary: Alloying anodes have high capacity in potassium-ion batteries, but their capacity fading has limited practical applications. This study demonstrates that an antimony alloy anode can be stabilized by electrolyte engineering, delivering high and stable capacities without the need for nanostructural engineering or carbon modification. By tuning the K+ solvation structure through electrolyte composition, the study presents a new guideline for stabilizing metal-ion batteries using alloying anodes.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
Qian Li, Zhen Cao, Wandi Wahyudi, Gang Liu, Geon-Tae Park, Luigi Cavallo, Thomas D. Anthopoulos, Limin Wang, Yang-Kook Sun, Husam N. Alshareef, Jun Ming
Summary: This study reveals the critical role of ethylene carbonate (EC) in metal-ion battery performance and proposes a new mechanism for stabilizing electrolytes. The formation of an Li+-EC pair by EC can dominate the structure at the electrode interface, suppressing solvent decomposition and providing new guidelines for designing more reliable electrolytes.
ACS ENERGY LETTERS
(2021)
Article
Materials Science, Multidisciplinary
He Yang, Fei Liang, Huizhong Yan, Wei Xiong, Jing Lin, Limin Chang, Limin Wang
Summary: The addition of Alane (AlH3) successfully improved the low-temperature dischargeability of A(2)B(7)-type hydrogen storage alloy by strengthening hydrogen diffusion channels and accelerating H-kinetics. This enhancement was attributed to the formation of a new porous structure, as well as the modification of lattice defects by the dissolution of aluminum on the surface.
JOURNAL OF MATERIALS SCIENCE
(2021)
Article
Engineering, Environmental
Yabin Shen, Hongjin Xue, Shaohua Wang, Dongyu Zhang, Dongming Yin, Limin Wang, Yong Cheng
Summary: The replacement of ammonia with NH4+ and H+ in the coprecipitation synthesis of Ni0.6Co0.2Mn0.2(OH)(2) precursor optimizes particle morphology, size, and element distribution. The optimal coprecipitation pH is determined based on theoretical calculations, leading to superior electrochemical properties such as high initial discharge capacity, cycling stability, and rate capability.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Qian Li, Zhen Cao, Gang Liu, Haoran Cheng, Yingqiang Wu, Hai Ming, Geon-Tae Park, Dongming Yin, Limin Wang, Luigi Cavallo, Yang-Kook Sun, Jun Ming
Summary: This study investigates the importance of three-dimensional metal oxide nanoarrays in stabilizing lithium batteries and the effectiveness of Cu2O nanoarrays in suppressing dendrite and electrolyte decomposition. Li2O formed during the lithiation of Cu2O is critical for stabilizing the electrolyte, highlighting the significance of electrolyte stability for nanoarrays to achieve high-performance lithium batteries.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2021)
Article
Nanoscience & Nanotechnology
Hanwu Dong, Suqin Luo, Wenjun Liu, Na Zhang, Xiaozhou Ye, Limin Wang, Jun Zhan, Xianhua Chen, Bin Jiang, Fusheng Pan
Summary: The study investigates the impact of adding rare earth elements to magnesium-lithium dual-phase alloys on the ductility size effect, finding that the elongation rate is more than two times higher than common magnesium alloys. The improvement in ductility is attributed to the size effect of the width of the β-lithium phase in the alloy, with a critical value within the range of 3-8 micrometers.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Article
Chemistry, Physical
Dongyu Zhang, Chunli Wang, Hongjin Xue, Shaohua Wang, Yabin Shen, Zhaomin Wang, Limin Chang, Wanqiang Liu, Yong Cheng, Limin Wang
Summary: A novel nitrogen-enriched Sb@NCs composite was designed through an organic-inorganic coordination reaction, showing outstanding performance in lithium/sodium ion batteries. The method of increasing nitrogen content in the material may pave the way for improving ion storage and rate performance.
APPLIED SURFACE SCIENCE
(2021)
Article
Engineering, Environmental
Shaohua Wang, Yong Cheng, Hongjin Xue, Dongyu Zhang, Wanqiang Liu, Limin Chang, Limin Wang
Summary: A novel S-doped expanded graphite, Sn and carbon composite anode material with bowling-like structure for lithium ion battery was synthesized by a simple chemical vapor deposition (CVD) method. The unique structure of the material provides usable space for volume expansion and has shown excellent electrochemical performance at high current densities. Additionally, the study also analyzed the impact of electrolyte decomposition on cycle performance, finding that it contributes to capacity increment.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Chunli Wang, Lianshan Sun, Bingbing Tian, Yong Cheng, Limin Wang
Summary: This paper presents a strategy to prepare carbon supported MoO2 spheres for lithium-ion battery with high volumetric capacity density and initial Coulombic efficiency. Experimental results show that the material exhibits excellent reversible capacity and capacity retention, and also demonstrates potential value in terms of compaction capacity density.
ENERGY & ENVIRONMENTAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Zheng Yi, Song Jiang, Yonghua Du, Lu Ma, Yong Qian, Jie Tian, Chuankun Jia, Shimou Chen, Ning Lin, Yitai Qian
Summary: Atomically dispersed Sb species with high-loading were successfully prepared and applied in alkali-ion storage through coordinative and spatial coconfinement methodology. The material exhibited excellent charging capacity, rate capability, and long lifespan performance in both half and full K-ion batteries.
ACS MATERIALS LETTERS
(2021)
Correction
Chemistry, Physical
Shaohua Wang, Yong Cheng, Hongjin Xue, Wanqiang Liu, Zheng Yi, Limin Chang, Limin Wang
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Shaohua Wang, Yong Cheng, Hongjin Xue, Wanqiang Liu, Zheng Yi, Limin Chang, Liming Wang
Summary: By utilizing a sulfur-mediated strategy, a high-rate charging and discharging lithium-ion battery anode has been successfully developed, exhibiting high initial coulombic efficiency and fast-charging lithium storage capacity.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Multidisciplinary
Hongjin Xue, Yong Cheng, Qianqian Gu, Zhaomin Wang, Yabin Shen, Dongming Yin, Limin Wang, Gang Huang
Summary: This study introduces a new in situ self-catalytic method for constructing a SiOx@CNT anode for lithium-ion batteries. The method allows for enhanced electrical conductivity, alleviation of volume effects, and improved coulombic efficiency, resulting in high capacity and long lifespan.
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)