Explanipedia

Multiscale Failure Mechanisms of Ternary Oxide Cathode Materials for Lithium‐Ion Batteries Open

Jun Feng Su, Dongqi Li, Juan Wang, Wen Zeng, Xuanpeng Wang , et al. · 2025

Ternary oxide cathodes (LiNi x Co y Mn 1‐x‐y O 2 , NCM) have emerged as promising candidates for lithium‐ion batteries (LIBs) due to high energy densities and tunable electrochemical properties. However, their structural degradation during…

Direct Regeneration of Degraded High‐Nickel Layered Cathode with a Grain‐Growth Inhibitor by Epitaxial Boundaries Open

Xingye Chen, Jun Feng Su, Weizheng Liu, Juan Wang, Yuxin Liu , et al. · 2025

The direct regeneration of degraded cathode materials for lithium‐ion batteries holds significant promise for closed‐loop recycling. However, fully recovering the structure and performance of degraded LiNi x Co y Mn z O 2 (NCM) cathodes re…

Upcycling Spent Cathodes into Gradient Electrocatalysts for Seawater Electrolysis Open

Zongkui Kou, Jiahui Lyu, Zhengzhou Wang, Zhenzhen Feng, Zihan Li , et al. · 2025

The rapid growth of lithium-ion batteries (LIBs) is lighting a more sustainable transportation driven by electric vehicles. However, the end-of-life LIBs in the next decades will pose key challenges to the resource economy and environment …

Ultrafast Carbothermal Shock Synthesis of Intermetallic Silicides with Anion‐Cation Double Active Sites for Efficient Hydrogen Evolution Open

Tingting Liu, Yuyu Liu, Rongyong Lin, Chen Chen, Zonghua Pu , et al. · 2025

The exploration and elucidation of the active site of catalysts is crucial for advancing the comprehension of the catalytic mechanism and propelling the development of exceptional catalysts. Herein, it is unveiled that anionic Si and catio…

Cu–N–C support confinement stabilizes active Co sites in oxygen reduction reaction Open

Longyang Zhang, Wei Sang, Tingting Wang, Xiaoyu Wei, Zihan Li , et al. · 2025

External field-assisted catalysis Open

Linbo Jiang, Lintao Jiang, Xu Luo, Ruidong Li, Qingqu Zhou , et al. · 2025

In recent years, substantial effort has been dedicated to improving the intrinsic catalytic activity of catalysts through structural modification, component regulation, and chemical state optimization. However, complexity in the design and…

MOF-derived carbon-coated NiS/NiS2 yolk-shell spheres as a satisfactory positive electrode material for hybrid supercapacitors Open

Jing Wang, Shuo Li, Ning Fu, Dayong Tian, Yong Zheng , et al. · 2025

Insights into multivariate zeolitic imidazolate frameworks Open

Xianyang Zhang, Xingchuan Li, Zhanke Wang, Somboon Chaemchuen, Wanida Koo-amornpattana , et al. · 2025

With the explosive growth of research focused on building units and types of crystalline materials, disruptive changes in the physical and/or chemical properties of crystals have been discovered. As the most studied subclass of metal-organ…

Solid-state stepwise temperature-programmable synthesis of bioinspired Fe-N-C oxygen reduction electrocatalyst featuring Fe-N 5 configuration Open

Wei Sang, Somboon Chaemchuen, Longyang Zhang, Zechen Wang, Xingchuan Li , et al. · 2025

Author Correction: Twin-distortion modulated ultra-low coordination PtRuNi-Ox catalyst for enhanced hydrogen production from chemical wastewater Open

Yue Zhang, Xueqin Mu, Zhengyang Liu, Hongyu Zhao, Zechao Zhuang , et al. · 2025

Strengthened d–p orbital hybridization and hydrogen diffusion in a hollow N-doped porous carbon/Ru cluster catalyst system for hydrogen evolution reactions Open

Ruidong Li, Hongyu Zhao, Lin Wang, Qingqu Zhou, Xiong Yang , et al. · 2025

Hollow and N-doped porous carbon structures enhanced hydrogen diffusion and the d–p hybridization effect with Ru clusters, thereby boosting the HER performance.

Ultra-Rapid Hydrogen Evolution Reaction Kinetics Over Ceo2@Ptcu Coaxial Nanocables Open

Xu Feng, Qiqi Yang, Zhen Xu, Huafeng Le, Tianhua Zhou , et al. · 2025

Twin-distortion modulated ultra-low coordination PtRuNi-Ox catalyst for enhanced hydrogen production from chemical wastewater Open

Yue Zhang, Xueqin Mu, Zhengyang Liu, Hongyu Zhao, Zechao Zhuang , et al. · 2024

Valorization of spent lithium-ion battery cathode materials for energy conversion reactions Open

Jin Zhang, Ding Chen, Jixiang Jiao, Weihao Zeng, Shichun Mu · 2024

With large-scale commercial applications of lithium-ion batteries (LIBs), lots of spent LIBs will be produced and cause huge waste of resources and greatly increased environmental problems. Thus, recycling spent LIB materials is inevitable…

Fe-S dually modulated adsorbate evolution and lattice oxygen compatible mechanism for water oxidation Open

Xu Luo, Hongyu Zhao, Xin Tan, Lin Sheng, Kesong Yu , et al. · 2024

Simultaneously activating metal and lattice oxygen sites to construct a compatible multi-mechanism catalysis is expected for the oxygen evolution reaction (OER) by providing highly available active sites and mediate catalytic activity/stab…

Entropy-increased LiMn2O4-based positive electrodes for fast-charging lithium metal batteries Open

Weihao Zeng, Fanjie Xia, Juan Wang, Jinlong Yang, Haoyang Peng , et al. · 2024

Bicontinuous RuO2 nanoreactors for acidic water oxidation Open

Ding Chen, Ruohan Yu, Kesong Yu, Ruihu Lu, Hongyu Zhao , et al. · 2024

Sharply expanding single-atomically dispersed Fe–N active sites through bidirectional coordination for oxygen reduction Open

Huihui Jin, Ruohan Yu, Pengxia Ji, Weihao Zeng, Zhengying Li , et al. · 2024

Triphenylphosphine not only restricts Fe growth with 2-methylimidazole in bidirectional confinement to obtain high-density Fe–N sites, but also prevents the irregular aggregation of Fe on the carbon surface to generate positive Fe 2 P nano…

Solid-State Stepwise Temperature-Programmable Synthesis of Bioinspired Fe-N-C Oxygen Reduction Electrocatalyst Featuring Fe-N5 Configuration Open

Wei Sang, Somboon Chaemchuen, Longyang Zhang, Zechen Wang, Xingchuan Li , et al. · 2024

Oxygen Octahedral Void-Confined Iodine Single-Site Ruo2 Catalysts for Water Reduction Open

Jixiang Jiao, Ding Chen, Hongyu Zhao, Ying Dong, Weihao Zeng , et al. · 2024

Correlating Single‐Atomic Ruthenium Interdistance with Long‐Range Interaction Boosts Hydrogen Evolution Reaction Kinetics (Adv. Mater. 2/2024) Open

Bowen Jiang, Jiawei Zhu, Zhenzhi Xia, Jiahui Lyu, Xingchuan Li , et al. · 2024

Dual active site-mediated Ir single-atom-doped RuO 2 catalysts for highly efficient and stable water splitting Open

Zhenhua Tao, Ning Lv, Hongyu Zhao, Xu Luo, Zilan Li , et al. · 2024

Ru and Ir sites on Ir single-atom-doped RuO 2 with the lowest rate-determining step reaction energy barriers towards the HER and OER, respectively.

Revitalizing osmium-based catalysts for energy conversion Open

Ding Chen, Shichun Mu · 2023

Designing high cost-effective catalysts has been one of the core topics in energy conversion and storage. Due to unique electronic structure and excellent comprehensive properties, Pt-group metal (PGM) based-materials occupy the top region…

Ru Cluster Incorporated NiMoO(P)4 Nanosheet Arrays as High‐Efficient Bifunctional Catalyst for Wind/Solar‐To‐Hydrogen Generation Systems Open

Shengye Wu, Ding Chen, Shang Li, Yuting Zeng, Tao Wang , et al. · 2023

Developing cost‐efficient bifunctional water splitting catalysts is crucial for sustainable hydrogen energy applications. Herein, ruthenium (Ru)‐incorporated and phosphorus (P)‐doped nickel molybdate (Ru‐NiMoO(P) 4 ) nanosheet array cataly…

Tuning Active Metal Atomic Spacing by Filling of Light Atoms and Resulting Reversed Hydrogen Adsorption-Distance Relationship for Efficient Catalysis Open

Ding Chen, Ruihu Lu, Ruohan Yu, Hongyu Zhao, Dulan Wu , et al. · 2023

Monomicelle‐Directed Engineering of Strained Carbon Nanoribbons as Oxygen Reduction Catalyst Open

Dongping Xue, Yingying Guo, Bang‐An Lu, Huicong Xia, Wenfu Yan , et al. · 2023

To date, precisely tailoring local active sites of well‐defined earth‐abundant metal‐free carbon‐based electrocatalysts for attractive electrocatalytic oxygen reduction reaction (ORR), remains challenging. Herein, the authors successfully …

Flower‐Like Amorphous MoO3−x Stabilized Ru Single Atoms for Efficient Overall Water/Seawater Splitting Open

Feng Dong, Pengyan Wang, Rui Qin, Wenjie Shi, Lei Gong , et al. · 2023

Benefitting from the maximum atom utilization efficiency, special size quantum effects and tailored active sites, single‐atom catalysts (SACs) have been promising candidates for bifunctional catalysts toward water splitting. Besides, due t…

Ultra‐Fast In Situ Reconstructed Nickel (Oxy)Hydroxide Nanoparticle Crosslinked Structure for Super‐Efficient Alkaline Water Electrolysis by Sacrificing Template Strategy Open

Pengxia Ji, Deyong Zheng, Huihui Jin, Ding Chen, Xu Luo , et al. · 2023

The rapid construction of water electrolysis catalysts by a sacrificing template in an electrochemical environment is rarely a concern. Herein, using a fluorine‐rich (F‐rich) nickel fluoride (NiF 2 ) grown on nickel foam (NF) as a sacrific…

Alkaline Hydrogen Oxidation Reaction Catalysts: Insight into Catalytic Mechanisms, Classification, Activity Regulation and Challenges Open

Xueqin Mu, Suli Liu, Lei Chen, Shichun Mu · 2023

Hydrogen oxidation reaction (HOR) is an important semi‐cell reaction in the renewable energy conversion technology such as fuel cells. However, due to the slow reaction rate, the development of highly active catalysts remains a major chall…

Acidic oxygen evolution reaction: Mechanism, catalyst classification, and enhancement strategies Open

Qianli Ma, Shichun Mu · 2023

As the most desirable hydrogen production device, the highly efficient acidic proton exchange membrane water electrolyzers (PEMWE) are severely limited by the sluggish kinetics of oxygen evolution reaction (OER) at the anode. Rutile IrO 2 …

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