Article
Materials Science, Multidisciplinary
Hanan Abdurehman Tariq, Jeffin James Abraham, Aisha Abdul Quddus, Siham AlQaradawi, Ramazan Kahraman, R. A. Shakoor
Summary: The study successfully synthesized Y2O3-coated quasi-spheres of high-energy density LiNi0.5Mn1.5O4 cathode material covered in graphene using a microwave-assisted chemical co-precipitation technique. The graphene-assisted coating not only improves the electrical conductivity of the electrode but also effectively inhibits the production of undesirable phases, enhancing the cyclic performance of the material. Furthermore, the proposed material synthesis strategy provides a new approach for the study of other types of electrode materials.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Review
Chemistry, Physical
Zhengyuan Gao, Zhiyang Xue, Yingchun Miao, Bin Chen, Jinshan Xu, Hongqi Shi, Tao Tang, Xiangyu Zhao
Summary: A functional separator composed of TiO2@surface-modified carbon nanotubes composite on polypropylene (PP) separator is developed to effectively block the shuttle effect of polysulfides in lithium-sulfur batteries. The as-assembled Li-S batteries using this functional separator exhibit considerably enhanced reversible capacity, cycling performance, and reaction kinetics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Inorganic & Nuclear
Jian Luo, Peng Xiao, Yangjie Li, Jiangzhi Xiong, Peng Zhou, Liang Pang, Xilei Xie, Yang Li
Summary: A modified etching strategy combined with a sol-gel method was used to prepare microscale porous silicon microspheres encapsulated with an inner amorphous carbon shell and an outer titanium oxide shell. The interconnected pores accommodate the expansion of the silicon core during lithiation and the double shells enhance the kinetic behavior and maintain the structural integrity. The resulting anodes show high specific capacity, excellent rate capability, stable solid-electrolyte interphase films, and steady mechanical structure.
DALTON TRANSACTIONS
(2023)
Article
Chemistry, Inorganic & Nuclear
Yue Xu, Yang Li, Yong Qian, Shanshan Sun, Ning Lin, Yitai Qian
Summary: A porous SiO/TiO2-x composite with a deficient TiO2-x coated on the surface of SiO was synthesized through a unique chemical etching and hydrolysis method. This composite material can effectively address the issues of volume expansion and poor conductivity of SiO particles. The internal pores of SiO can accommodate volume changes and shorten lithium ion diffusion pathways, while the outer TiO2-x layer provides protection and promotes the formation of stable SEI films.
INORGANIC CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Physical
Yu-Qing Cai, Yuan-Yuan Hu, Li-Feng Yao, Qian Rong, Fei-Xiang Cheng, Jian-Jun Liu, Lin-Bo Tang, Jun-Chao Zheng, Shu-Biao Xia
Summary: Nitrogen-containing organic compounds have great potential for energy storage, but their solubility and polarization in the electrolyte limit their performance. In this study, 1,2,4,5-tetracyanobenzene was used as an anode and precursor to improve the electrochemical performance. The cyano groups, -C=N groups, and π conjugation between benzene rings were identified as the active centers for Li+ storage. The conjugated porous polymer showed better cycling stability and rate capability.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Xiang Long Huang, Xiaofeng Zhang, Mingjie Yi, Ye Wang, Shaohui Zhang, Shaokun Chong, Hua Kun Liu, Shi Xue Dou, Zhiming Wang
Summary: The development of emerging Na-Se batteries is hindered by technical bottlenecks such as polyselenide shuttling and material volume variation. In this study, a nanorod-like trimodal hierarchical porous carbon (THPC) host is fabricated for advanced Na-Se batteries. The THPC possesses a trimodal nanopore structure and functions as a good accommodator of Se molecules, a reservoir of polyselenide intermediates, a buffer for volume expansion, and a promoter for electron/ion transfer.
Article
Energy & Fuels
Sang Youp Hwang, Hae Ri Lee, Yoon Ki Lee, Gi Bbuem Lee, Sungho Lee, Hyoung Juhn Kim, Han-Ik Joh
Summary: In this study, activated carbon was used as an anode material in lithium-ion batteries to enable fast charging. The research found that the suitable mixture of meso- and micropores in P-ACs increased the diffusivity and insertion rate of the Li-ion at fast-charging condition, thereby leading to higher long-term stability.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Chemistry, Physical
Nannan Wang, Jun Wang, Jingjuan Zhao, Junhai Wang, Junqi Pan, Jiarui Huang
Summary: A nanosheet-like porous-carbon@reduced graphene oxide (PC@rGO) composite was prepared successfully via a facile method, showing high capacity and reversible capacity in Li-S batteries, indicating a promising direction for research on high energy density Li-S batteries.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Jian Huang, Sanfeng Dong
Summary: Lithium-sulfur batteries have high capacity and energy density, but polysulfide migration and sulfur insulation issues limit their application. Introducing hierarchically porous titanium dioxide can solve the shuttle effect and greatly improve cycling stability.
Article
Chemistry, Physical
Hanwu Luo, Haipeng Shi, Yang Cao, Yuting Yin, Yi-Hu Feng, Xin-Yu Fan, Peng-Fei Wang, Xiaogang Han
Summary: In this study, a design scheme for high-energy cathode materials for Li-ion batteries is proposed. By constructing a hierarchical structure with different chemical compositions from the bulk to the surface, the issue of capacity decay and short cycle life in high-voltage cycling of cathode materials is addressed. The introduction of Cr3+ in the inner end suppresses the dissolution of Mn3+ and partial Mn2+ to improve bulk stability. The construction of an undoped shell eliminates the catalytic effect of dopants on interfacial side reactions, enhancing interfacial stability.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Nan Piao, Peng-Fei Wang, Long Chen, Tao Deng, Xiulin Fan, Li Wang, Xiangming He
Summary: This study reports a nonflammable all-fluorinated electrolyte that can support high-rate and inherent-safe 3.2V LNMO/LTO batteries. The nanoscale fluorinated interphase stabilizes the cathodic structure and suppresses side reactions during cycling, even at a high cutoff voltage of 5.0V. The LNMO/LTO cells in the all-fluorinated electrolyte exhibit excellent cyclability and wide temperature tolerance.
Article
Chemistry, Physical
Yuying Gui, Peng Chen, Dayong Liu, Yu Fan, Jun Zhou, Jianxun Zhao, Heng Liu, Xin Guo, Wanqiang Liu, Yong Cheng
Summary: The TiO2 NTs/RGO film modified polypropylene separator effectively addresses the shuttle effect in lithium-sulfur cell, leading to improved performance of Li-S batteries in terms of limiting polysulfide migration and enhancing lithium ion migration.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Ran Liu, Xiaoning Zhao, Liang Liang, Ran Li, Peilei Fan, Jingjing Li, Haibo Zhao
Summary: A spongy three-dimensional (3D) porous MnO/C composite with homogeneous distribution and uniform size ultrafine MnO nanoparticles embedded into 3D porous carbon network was fabricated. The composite exhibited improved electrical conductivity and effectively restrained the crushing and pulverizing of the electrode. As an anode for LIBs, it demonstrated superior rate capability and excellent cycling stability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Review
Chemistry, Physical
Yao Liu, Yunpu Zhai, Yongyao Xia, Wei Li, Dongyuan Zhao
Summary: This paper discusses the application of porous materials in lithium-metal batteries, summarizes the key progress and challenges in LMBs, and proposes the need for further research on porous materials to achieve better electrochemical performance in the future.
Article
Chemistry, Physical
Yue Yang, Jiawei Zhu, Pengyan Wang, Haimi Liu, Haolin Tang, Jinsheng Xiao, Lei Chen, Shichun Mu
Summary: By constructing functionalized carbon embraced ultrafine TiO2 nanocrystals, the conductivity and ion transport ability of TiO2 in sodium ion batteries are effectively improved, leading to enhanced energy storage performance and cycling stability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Qujiang Sun, Zhen Cao, Zheng Ma, Junli Zhang, Wandi Wahyudi, Gang Liu, Haoran Cheng, Tao Cai, Erqing Xie, Luigi Cavallo, Qian Li, Jun Ming
Summary: This study thoroughly investigates the functions of electrolyte components in lithium-ion batteries, sheds light on their roles at the molecular scale, and successfully develops a new non-flammable electrolyte.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yeguo Zou, Zheng Ma, Gang Liu, Qian Li, Dongming Yin, Xuejian Shi, Zhen Cao, Zhengnan Tian, Hun Kim, Yingjun Guo, Chunsheng Sun, Luigi Cavallo, Limin Wang, Husam N. Alshareef, Yang-Kook Sun, Jun Ming
Summary: Electrolyte design is crucial for improving the performance of lithium-ion batteries. However, conventional electrolytes pose safety risks due to their flammability and reactivity at high voltage and extreme temperatures. In this study, a non-flammable fluorinated ester electrolyte was designed, which demonstrated high cycling stability and superior power capability for a graphite||LiNi0.8Co0.1Mn0.1O2 (NCM811) battery operated at high voltage (>4.3 V vs. Li/Li+) and wide temperature variations (-50 degrees C-60 degrees C). Furthermore, the research provided new insights into the molecular-level dynamics and interactions among Li+, solvent, and anion, and facilitated the development of high-safety and high-energy-density batteries for harsh conditions.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Un-Hyuck Kim, Soo-Been Lee, Ji-Hyun Ryu, Chong Seung Yoon, Yang -Kook Sun
Summary: Through comparing the electrochemical performance of Li[Ni0.92_xCo0.04Mn0.04Alx]O2 cathodes, a high-performance Ni-rich Li[Ni1_x_y_zCoxMnyAlz]O2 (NCMA) is developed with optimal Al content. The introduction of excess Al results in a refined cathode microstructure, effectively dissipating strain and suppressing the formation of internal cracks. A full cell featuring the optimized NCMA cathode demonstrates excellent long-term cycling stability and energy density, outperforming existing layered cathodes. This research represents a new class of Ni-rich layered cathodes suitable for high-performance electric vehicles.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
Nam-Yung Park, Gyeil Cho, Su-Bin Kim, Yang-Kook Sun
Summary: By doping with tantalum, the CS-type cathode encapsulates the Ni-rich region with a Ni-less shell, effectively improving the cycling stability of the cathodes. Ta doping suppresses interdiffusion by segregating the Ta-rich phases at the particle boundaries, maintaining the highly aligned microstructure and the ordered intermixing structure, as well as the concentration gradient, over a wide lithiation temperature range. The Ta-doped CS-type cathode retains 92.6% of its initial capacity after 1000 cycles and exhibits resistance to damage from fast charging.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Hun Kim, Su-Hyun Lee, Jae-Min Kim, Chong Seung Yoon, Yang-Kook Sun
Summary: In this study, a carbonate-electrolyte-based Li-metal battery with high areal capacity and long cycle life is proposed. The cycling stability is improved by applying external compressive pressure and a boehmite-coated separator, resulting in 82% retention of initial capacity after 500 cycles. This research provides important insights for realizing high-energy-density Li-metal batteries and demonstrates the potential of employing cell compression to increase battery life and energy density.
ACS ENERGY LETTERS
(2023)
Article
Chemistry, Physical
Hoon-Hee Ryu, Hyung-Woo Lim, Gyeong-Cheol Kang, Nam-Yung Park, Yang-Kook Sun
Summary: In this study, the cycling stability of a Ni-rich NCMA93 cathode was improved by a combination strategy involving microstructural refinement and surface modification, leading to the formation of a robust cathode-electrolyte interphase (CEI) layer on the cathode surface, which suppressed surface degradation and extended battery life.
ACS ENERGY LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Honghong Liang, Zheng Ma, Yuqi Wang, Fei Zhao, Zhen Cao, Luigi Cavallo, Qian Li, Jun Ming
Summary: This study achieves reversible lithium-ion (de)intercalation in a propylene carbonate (PC)-based electrolyte containing a fluoroether by tuning the solvent-solvent interaction, providing an opportunity to enhance the compatibility of PC-based electrolytes with graphite anodes.
Article
Chemistry, Multidisciplinary
Yuqi Wang, Zheng Ma, Zhen Cao, Tao Cai, Gang Liu, Haoran Cheng, Fei Zhao, Luigi Cavallo, Qian Li, Jun Ming
Summary: Binder in lithium-ion batteries plays a crucial role in ensuring stability by adhering electrode materials tightly. Various binder molecules have been designed to enhance adhesion capability and conductivity. This study reveals that the binder also influences the lithium-ion solvation process on the electrode surface, leading to different side reactions, rate capabilities, and tolerance against solvent insertion.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Nam-Yung Park, Su-Bin Kim, Myoung-Chan Kim, Sang-Mun Han, Dong-Hwi Kim, Min-Su Kim, Yang-Kook Sun
Summary: Introducing additional elements into Ni-rich cathodes is an essential strategy for addressing the instability of the cathode material. However, traditional doping strategies may lead to accumulation of high-valence elements along the interparticle boundaries, reducing the electrochemical performance. This study investigates a new mechanism for doping high-valence elements into Ni-rich cathodes, which maintains the highly aligned microstructure and high crystallinity of the cathode, thereby enhancing the electrochemical performance.
ADVANCED ENERGY MATERIALS
(2023)
Review
Chemistry, Physical
Xinghui Liang, Jang-Yeon Hwang, Yang-Kook Sun
Summary: In recent decades, sodium-ion batteries (SIBs) have attracted increasing attention due to their cost and safety advantages, as well as their ability to overcome the challenges associated with limited lithium/cobalt/nickel resources and environmental pollution. The development of high-energy density and low-cost cathode materials is essential for the commercialization of SIBs. This review provides a comprehensive summary of the research progress and modification strategies for O3-type sodiated transition-metal oxides, which have shown promise as cathode materials for SIBs. The goal is to guide the development of commercial layered oxides and support the next generation of energy-storage systems.
ADVANCED ENERGY MATERIALS
(2023)
Article
Green & Sustainable Science & Technology
Hun Kim, Su-Hyun Lee, Nam-Yung Park, Jae-Min Kim, Jang-Yeon Hwang, Yang-Kook Sun
Summary: By incorporating chloroethylene carbonate (ClEC) as an additive, a robust and highly ion-conductive solid electrolyte interphase (SEI) layer is designed, improving the cycle stability of the Li metal anode and suppressing microcracking of the Ni-rich layered cathode.
ADVANCED ENERGY AND SUSTAINABILITY RESEARCH
(2023)
Article
Chemistry, Physical
Hun Kim, Kyeong-Jun Min, Sangin Bang, Jang-Yeon Hwang, Jung Ho Kim, Chong S. Yoon, Yang-Kook Sun
Summary: Realizing a high-energy density and long-lifespan Li2S cathode requires an innovative design with a high-loading Li2S-based cathode consisting of graphene and carbon nanotubes. The role of carbon nanotubes in stable cycling of high-capacity Li-S batteries is emphasized. The composite cathode demonstrates unprecedented electrochemical properties even with a high Li2S loading, showing ultra-long-term cycling stability over 800 cycles when coupled with a graphite anode in a Li-S full cell.
Article
Chemistry, Multidisciplinary
Geon-Tae Park, Su-Bin Kim, Been Namkoong, Ji-Hyun Ryu, Jung-In Yoon, Nam-Yung Park, Myoung-Chan Kim, Sang-Mun Han, Filippo Maglia, Yang-Kook Sun
Summary: The study proposes a strategy to improve the high-nickel content cathode by constructing ultrafine microstructures and intergranular shielding, effectively solving structural weaknesses, chemical instability, and gas generation issues. This approach enhances the mechanical durability and electrochemical performance of the cathode, extending the battery's lifespan.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Energy & Fuels
Hoon-Hee Ryu, Hyung-Woo Lim, Sin Gyu Lee, Yang-Kook Sun
Summary: The study proposes a washing process using Co-dissolved water to remove residual lithium and form a protective coating on the Ni-rich layered cathodes. The washing process induces near-surface structure reconstruction and prevents direct contact between the electrolyte and the cathode surface. The addition of a fluorine coating on the washed cathode suppresses by-product decomposition and gas generation during cycling, resulting in extended cycle lives of the cathodes and meeting the requirements of energy density, durability, and safety for next-generation batteries.
Article
Chemistry, Physical
Jun Tae Kim, Hyeon-Ji Shin, A-Yeon Kim, Hyeonseong Oh, Hun Kim, Seungho Yu, Hyoungchul Kim, Kyung Yoon Chung, Jongsoon Kim, Yang-Kook Sun, Hun-Gi Jung
Summary: This study proposes a method for improving the performance of all-solid-state batteries by synthesizing controlled sulfide solid electrolyte materials and their simple coating process. The results show that the coated materials exhibit excellent Li-ion conductivity and suppress cathode degradation reactions, enabling high discharge capacity and long cycle life.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Mei Gui Vanessa Wee, Amutha Chinnappan, Runxin Shang, Poh Seng Lee, Seeram Ramakrishna
Summary: Cooling processes, from residences to industries, require a lot of energy and are essential. This study introduces MIL-101(Cr), a new desiccant, to heat exchangers for more efficient cooling. By improving the synthesis method and using a special binder, the MIL-101(Cr)-coated heat exchanger shows improved water uptake capacity and lower regeneration temperature.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Ao Zhen, Guanyu Zhang, Ao Wang, Feng Luo, Jiehua Li, Hong Tan, Zhen Li
Summary: In this study, a solvent-free microemulsion method was used to synthesize waterborne polyurethane (WPU) material with high retention of mechanical properties and satisfactory water absorption rates. The material showed excellent biocompatibility and has broad application potential in the field of biomedicine.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Wensong Ge, Rui Wang, Xiaoyang Zhu, Houchao Zhang, Luanfa Sun, Fei Wang, Hongke Li, Zhenghao Li, Xinyi Du, Huangyu Chen, Fan Zhang, Huifa Shi, Huiqiang Hu, Yongming Xi, Jiankang He, Liang Hu, Hongbo Lan
Summary: This paper reviews the research on the surface tension of eutectic gallium-indium alloys (EGaIn) in the field of stretchable electronics. It covers the principles of oxide layer formation, factors influencing surface tension, and methods for surface modification of liquid metals. The paper also discusses the applications of EGaIn surface modification in different fields and highlights the challenges still faced and the future outlook.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Xiang Song, Lianghao Jia, Zhengen Wei, Tao Xiang, Shaobing Zhou
Summary: This paper provides an overview of the application, preparation, and role of biomimetic structures in solar evaporators with improved evaporation rate and lifetime.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Wei Yuan, Qian Deng, Dong Pan, Xiang An, Canyang Zhao, Wenjun Su, Zhengmin He, Qiang Sun, Ran Ang
Summary: Optimizing the performance of n-type PbTe thermoelectric materials is crucial for practical applications. Dynamic doping has emerged as an effective method to improve the performance of n-type PbTe by optimizing the carrier concentration. This study demonstrates the significance of Mn alloying in enhancing the performance of Ag-doped n-type PbTe by creating a hierarchical structure to suppress thermal transport and improving the Seebeck coefficient.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Xiaoyan Wang, Meiqi Geng, Shengjun Sun, Qian Xiang, Shiyuan Dong, Kai Dong, Yongchao Yao, Yan Wang, Yingchun Yang, Yongsong Luo, Dongdong Zheng, Qian Liu, Jianming Hu, Qian Wu, Xuping Sun, Bo Tang
Summary: This review provides a comprehensive analysis of the progress and challenges in the field of bifunctional electrocatalysts and efficient electrolyzers for seawater splitting. It summarizes recent advancements and proposes future perspectives for highly efficient bifunctional electrocatalysts and electrolyzers.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Jason K. Phong, Christopher B. Cooper, Lukas Michalek, Yangju Lin, Yuya Nishio, Yuran Shi, Huaxin Gong, Julian A. Vigil, Jan Ilavsky, Ivan Kuzmenko, Zhenan Bao
Summary: Dynamic block copolymers (DBCPs) combine the phase separation of traditional block copolymers with the supramolecular self-assembly of periodic dynamic polymers, resulting in the spontaneous self-assembly of high aspect ratio nanofibers with well-ordered PEG and PDMS domains. DBCPs with a periodic block sequence exhibit superior properties compared to those with a random sequence, including delayed onset of terminal flow and higher ionic conductivity values.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Hong Kyu Lee, Yasaswini Oruganti, Jonghyeon Lee, Seunghee Han, Jihan Kim, Dohyun Moon, Min Kim, Dae-Woon Lim, Hoi Ri Moon
Summary: This study reports the moisture-triggered proton-conductivity switching behavior in Zn5FDC MOFs induced by the presence and absence of coordinating solvents, which illustrates the significant role of coordinating solvents in conductivity variation.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Bommaramoni Yadagiri, Sanjay Sandhu, Ashok Kumar Kaliamurthy, Francis Kwaku Asiam, Jongdeok Park, Appiagyei Ewusi Mensah, Jae-Joon Lee
Summary: The molecular engineering of the interface modulator between the perovskite and hole transporting material is crucial for achieving satisfactory performance and stability of perovskite solar cells. In this study, cruciform-shaped dual functional organic materials were employed as surface passivation and hole transporting interfacial layers in perovskite solar cells. The use of these materials significantly improved the power conversion efficiency of the solar cells.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Joaquin Martinez-Ortigosa, Reisel Millan, Jorge Simancas, Manuel Hernandez-Rodriguez, J. Alejandro Vidal-Moya, Jose L. Jorda, Charlotte Martineau-Corcos, Vincent Sarou-Kanian, Mercedes Boronat, Teresa Blasco, Fernando Rey
Summary: This study investigates the synthesis of all-silica RTH zeolites using triisopropyl(methyl)phosphonium as the organic SDA. The results show the formation of two distinct crystalline phases under different synthesis conditions, with fluoride bonding to different silicon sites. It demonstrates the possibility of controlling the placement of fluoride in RTH zeolites through synthesis conditions.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Luyao Zheng, Cong Liu, Wenbiao Zhang, Boxu Gao, Tianlan Yan, Yahong Zhang, Xiaoming Cao, Qingsheng Gao, Yi Tang
Summary: This study successfully improves the efficiency and stability of water splitting by constructing a heterostructured electrocatalyst. The catalyst shows extraordinary performance and could offer an effective approach for the sustainable production of hydrogen.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Carlos A. Campos-Roldan, Raphael Chattot, Frederic Pailloux, Andrea Zitolo, Jacques Roziere, Deborah J. Jones, Sara Cavaliere
Summary: This study systematically evaluated the hydrogen evolution/oxidation reactions on a series of Pt-rare earth nanoalloys in alkaline media, and identified the effect of the lanthanide contraction. The experimental results revealed that the chemical nature of the rare earth modulates the adsorption and mobility of oxygenated-species, enhancing the kinetics of the reactions.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Sara Frank, Mads Folkjaer, Mads L. N. Nielsen, Melissa J. Marks, Henrik S. Jeppesen, Marcel Ceccato, Simon J. L. Billinge, Jacopo Catalano, Nina Lock
Summary: This study investigates the thermal decomposition of ZIF-67 and its correlation with structural evolution and electrocatalytic performance. The researchers used in situ X-ray absorption spectroscopy and total scattering techniques to analyze the process. They found that disorder emerges at lower temperatures and that extending the pyrolysis process can result in materials with superior electrochemical properties.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Zi-Yang Zhang, Hao Tian, Han Jiao, Xin Wang, Lei Bian, Yuan Liu, Nithima Khaorapapong, Yusuke Yamauchi, Zhong-Li Wang
Summary: By constructing Cu-0-Cu+-NH2 composite interfaces with the assistance of SiO2, the electrochemical CO2 reduction reaction (CO2RR) achieves high Faraday efficiency and current density for C2+ production, improving the productivity of carbon cycle.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Ting Wang, Ruijuan Zhang, Pengda Zhai, Mingjie Li, Xinying Liu, Chaoxu Li
Summary: This study successfully exfoliated COFs using a simple electrochemical method, which resulted in improved photocatalytic performance for COFs and enriched the fabrication approach of COF exfoliation.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
