Journal of Energy Chemistry最新文献_第3页

Succinonitrile-driven cathode-electrolyte interface modulation for stable and high-rate Prussian white cathode in potassium-ion batteries 钾离子电池中稳定、高倍率普鲁士白阴极的琥珀腈驱动阴极-电解质界面调制

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-06-02 DOI: 10.1016/j.jechem.2025.05.042

Hao Ouyang , Rui Li , Yongqing Cai , Jilei Liu , Heng Li , Shen Lai , Shi Chen

{"title":"Succinonitrile-driven cathode-electrolyte interface modulation for stable and high-rate Prussian white cathode in potassium-ion batteries","authors":"Hao Ouyang , Rui Li , Yongqing Cai , Jilei Liu , Heng Li , Shen Lai , Shi Chen","doi":"10.1016/j.jechem.2025.05.042","DOIUrl":"10.1016/j.jechem.2025.05.042","url":null,"abstract":"<div><div>Iron-based Prussian white (PW) materials have attracted considerable attention as promising cathodes for potassium-ion batteries (PIBs) due to their high capacity, easy preparation, and economic merits. However, the intrinsic iron dissolution and uncontrollable cathode-electrolyte interface (CEI) formation in conventional organic electrolytes severely hinder their long-term cycling stability. Herein, we employ succinonitrile (SN), a bifunctional electrolyte additive, to suppress the iron dissolution and promote thin, uniform, and stable CEI formation of the PW cathode, thus improving its structural stability. Benefited from the coordination between the cyano groups in SN and iron atoms, this molecule can preferentially adsorb on the surface of PW to mitigate iron dissolution. SN also facilitates the decomposition of anions in potassium salt rather than organic solvents in electrolyte due to the attractive reaction between SN and anions.</div><div>Consequently, the PW cathode with SN additive provides better electrochemical reversibility, showing capacity retention of 93.6% after 3000 cycles at 5C. In comparison, without SN, the capacity retention is only 87.4% after 1000 cycles under the same conditions. Moreover, the full cells of PW matched with commercial graphite (Gr) achieve stable cycling for 3500 cycles at a high rate of 20C, with an exceptional capacity decay of only 0.005% per cycle, surpassing the majority of recently reported results in literature.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 280-287"},"PeriodicalIF":13.1,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144270215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Emerging molecular ferroelectrics for high-performance perovskite optoelectronic devices 用于高性能钙钛矿光电子器件的新型分子铁电体

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-31 DOI: 10.1016/j.jechem.2025.05.040

Zhijie Wang , Haiyun Li , Ming Luo , Dongrui Jiang , Xinxin Lian , Yifan Chen , Liucheng Gao , Chunyu Xu , Shengfan Wu , Junhao Chu , Hong Zhang

{"title":"Emerging molecular ferroelectrics for high-performance perovskite optoelectronic devices","authors":"Zhijie Wang , Haiyun Li , Ming Luo , Dongrui Jiang , Xinxin Lian , Yifan Chen , Liucheng Gao , Chunyu Xu , Shengfan Wu , Junhao Chu , Hong Zhang","doi":"10.1016/j.jechem.2025.05.040","DOIUrl":"10.1016/j.jechem.2025.05.040","url":null,"abstract":"<div><div>Perovskite optoelectronic devices, capitalizing on the exceptional light-matter interaction and semiconductor properties of perovskite materials, have emerged as transformative platforms for energy conversion, information storage, and photonic technologies. While material innovations and device engineering breakthroughs have propelled remarkable advancements, persistent challenges in operational stability, scalable manufacturing, and batch reproducibility continue to hinder commercial implementation. Recently, molecular ferroelectrics (MOFEs), as a class of materials characterized by polar crystal structures and switchable spontaneous polarization (<em>P</em><sub>s</sub>), offer novel pathways to regulate high-efficiency and stable perovskite optoelectronic devices. Here, we systematically review the application of MOFEs into diverse perovskite optoelectronic systems, emphasizing the synergistic effect between <em>P</em><sub>s</sub> and optoelectronic properties. We analyze MOFEs-based photodetectors spanning self-powered, X-ray, and polarized-light detectors, detailing how <em>P</em><sub>s</sub> and synergistic physical effects optimize device performance. For photovoltaic applications, we elucidate polarization-driven performance enhancement mechanisms in perovskite solar cells (PSCs), including built-in field amplification, defect passivation, and stability improvement. Furthermore, we envisage the emerging applications of MOFEs in optoelectronic fields such as non-volatile memory, neuromorphic computing, and optical communication. Overall, this review furnishes valuable insights into optoelectronics and future energy.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 251-269"},"PeriodicalIF":13.1,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144261772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Decoupling light-assisted and pure-light charging mechanisms in TiO2-based photorechargeable Li-ion batteries 二氧化钛基光可充电锂离子电池的光辅助和纯光充电机制解耦

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-31 DOI: 10.1016/j.jechem.2025.05.041

Lisha Huang , Zhengtao Xue , Guangyu Lin , Wenchao Fan , Qiongzhi Gao , Xin Cai , Shengsen Zhang , Yueping Fang , Guangxing Yang , Xiaosong Zhou , Feng Peng , Siyuan Yang

{"title":"Decoupling light-assisted and pure-light charging mechanisms in TiO2-based photorechargeable Li-ion batteries","authors":"Lisha Huang , Zhengtao Xue , Guangyu Lin , Wenchao Fan , Qiongzhi Gao , Xin Cai , Shengsen Zhang , Yueping Fang , Guangxing Yang , Xiaosong Zhou , Feng Peng , Siyuan Yang","doi":"10.1016/j.jechem.2025.05.041","DOIUrl":"10.1016/j.jechem.2025.05.041","url":null,"abstract":"<div><div>The integration of photocatalysis with electrochemical energy storage offers promising solutions for off-grid power supply. Herein, carbon cloth-supported TiO<sub>2</sub> nanorod arrays are engineered as a model platform to explore photoelectrochemical synergy in integrated photo-rechargeable lithium-ion batteries (PRLiBs). Through operando characterizations and theory calculations, we found that photoexcitation lowers the Li<sup>+</sup> migration barrier by 0.16 eV through electronic states redistribution near the Fermi level, thereby accelerating Li<sup>+</sup> transport and enhancing the intercalation process during photo-assisted charging and discharging. Three key principles governing dual operational modes (light-assisted charge/discharge and pure light charging) are established for PRLiBs: (i) the capacity enhancement during photo-assisted charging is primarily due to photocatalytic Li<sup>+</sup> extraction via hole-driven oxidation at the TiO<sub>2</sub>/electrolyte interface and electric double-layer reconstruction; (ii) the long-standing controversy in solar-to-electricity conversion efficiency (<em>η</em>) is resolved by introducing a polarization-decoupled model to quantify <em>η</em>, distinguishing genuine catalytic contributions from parasitic self-charging effects; and (iii) during light-only charging without external bias, the capacity increase is predominantly driven by the photocatalytic oxidation of the TiO<sub>2</sub> photoelectrode, a single-electrode process without electron transfer through an external circuit, distinct from conventional dual-electrode charging. This work lays a solid theoretical foundation for understanding the mechanisms of PRLiBs and provides precise guidelines for <em>η</em> calculations, offering valuable insights for the future development of photo-energy storage devices.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 288-299"},"PeriodicalIF":13.1,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144270217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multifunctional additives for the enhanced performance of the doctor-blading printed perovskite solar modules 用于提高医生叶片印刷钙钛矿太阳能组件性能的多功能添加剂

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-29 DOI: 10.1016/j.jechem.2025.05.039

Linyong Tian , Haoyu Cai , Zhenyue Wang , Yongjun Liu , Juan Zhao , Guodong Liu , Yaqi Cheng , Biqi He , Hongfei Zhang , Long Jiang , Bofei Xue , Yi-Bing Cheng , Jie Zhong

{"title":"Multifunctional additives for the enhanced performance of the doctor-blading printed perovskite solar modules","authors":"Linyong Tian , Haoyu Cai , Zhenyue Wang , Yongjun Liu , Juan Zhao , Guodong Liu , Yaqi Cheng , Biqi He , Hongfei Zhang , Long Jiang , Bofei Xue , Yi-Bing Cheng , Jie Zhong","doi":"10.1016/j.jechem.2025.05.039","DOIUrl":"10.1016/j.jechem.2025.05.039","url":null,"abstract":"<div><div>The utilization of self-assembled monolayers (SAMs) has significantly elevated the power conversion efficiency (PCE) of inverted perovskite solar cells (PSCs). However, the inherent hydrophobicity of these SAMs poses challenges in the subsequent printing of perovskite films in PSC upscaling. In this work, we incorporated a multifunctional additive, dimethyl suberimidate dihydrochloride (DMSCl<sub>2</sub>), into the perovskite precursor to enhance the quality of the blade-coated perovskite film on the SAM interlayer. Characterizations revealed that the function groups of the imino (N–H) and methoxy (CH<sub>3</sub>O–) DMSCl<sub>2</sub> facilitate both bonding between perovskite precursor and SAM molecule (Me-4PACz), which facilitates the large-area printing of perovskite film. These interactions also provide effective passivation within the perovskite films and interface defects of PSCs. As a result, a significantly enhanced PCE from 16.62% to 20.37% was obtained for the printed perovskite solar module (93.10 cm<sup>2</sup>) and 25.27% for the small device (0.09 cm<sup>2</sup>). Remarkable stability was achieved with 93.3% of their initial PCE after 1000 h of continuous maximum power point (MPP) tracking. This report suggests that multifunctional additive doping provides a convenient route for the upscaling of perovskite solar cells with SAM interlayers.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 368-377"},"PeriodicalIF":13.1,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144288850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Facilitating alkaline hydrogen evolution of Ru@Fe-NC with ultra-low overpotential: Optimized d-band center and lowered energy barrier for water dissociation 超低过电位促进Ru@Fe-NC的碱性氢演化：优化d带中心和降低水解离能垒

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-29 DOI: 10.1016/j.jechem.2025.05.038

Xiaona Zhang , Zeyang Liu , Wenxuan Guo , Wei An , Zhaoyi Song , Yizhang Du , Tongjun Shen , Qihao Qin , Chunxia Wang , Guoyong Huang , Shengming Xu , Junjie Mao

{"title":"Facilitating alkaline hydrogen evolution of Ru@Fe-NC with ultra-low overpotential: Optimized d-band center and lowered energy barrier for water dissociation","authors":"Xiaona Zhang , Zeyang Liu , Wenxuan Guo , Wei An , Zhaoyi Song , Yizhang Du , Tongjun Shen , Qihao Qin , Chunxia Wang , Guoyong Huang , Shengming Xu , Junjie Mao","doi":"10.1016/j.jechem.2025.05.038","DOIUrl":"10.1016/j.jechem.2025.05.038","url":null,"abstract":"<div><div>The strong hydrogen binding affinity on Ru surfaces and their intrinsic aggregation tendency pose significant challenges to the hydrogen evolution reaction (HER) activity of Ru-based electrocatalysts. The construction of active electrocatalysts composed of partially dispersed nanoparticles (NPs) and individual single atomic site with robust thermodynamic stability, has emerged as a viable alternative to benchmark commercial HER electrocatalyst. Herein, a multi-step strategy was designed to synthesize Ru<sub>NP</sub>@Fe<sub>SA</sub>-NC electrocatalyst, and a robust interaction between uniformly dispersed Ru NPs and embedded single-atom Fe sites was uncovered, which not only regulates the particle size of Ru NPs but also controls the spin state and electronic configuration of Fe single atom. Moreover, magnetic characterization reveals that the synergetic effect induces a high spin state of the Fe atom with unpaired electrons in the 3<em>d</em> orbitals, which enhances the adsorption of intermediates and accelerates the reaction kinetics. The as obtained electrocatalyst demonstrates a low overpotential of 13 mV at 10 mA cm<sup>−2</sup> in alkaline condition. Remarkably, theoretical calculation indicates that the outstanding performance of Ru<sub>NP</sub>@Fe<sub>SA</sub>-NC stems from the Fe optimized electronic structure of the Ru site, which downshifts the d-band center, reduces the energy barriers for water dissociation and optimizes H* desorption, thereby promoting HER. This study presents an innovative approach to utilize Fe<sub>SA</sub>-NC to stabilize Ru NPs and reduce the energy barrier, contributing to an ideal HER performance.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 347-356"},"PeriodicalIF":13.1,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144279879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unveiling the potential of all-inorganic perovskite memristors for neuromorphic and logic applications 揭示了全无机钙钛矿记忆电阻器在神经形态和逻辑应用中的潜力

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-28 DOI: 10.1016/j.jechem.2025.05.034

Shuanglong Wang , Hong Lian , Zehua Wu , Jinghai Li , Aqiang Liu , Yongge Yang , Peng Gao

{"title":"Unveiling the potential of all-inorganic perovskite memristors for neuromorphic and logic applications","authors":"Shuanglong Wang , Hong Lian , Zehua Wu , Jinghai Li , Aqiang Liu , Yongge Yang , Peng Gao","doi":"10.1016/j.jechem.2025.05.034","DOIUrl":"10.1016/j.jechem.2025.05.034","url":null,"abstract":"<div><div>Recent advances in all-inorganic perovskite semiconductors have garnered significant research interest due to their potential for high-performance optoelectronic devices and enhanced stability under harsh environmental conditions. A deeper understanding of their structural, chemical, and physical properties has driven notable progress in addressing challenges related to electrical characteristics, reproducibility, and long-term operational stability in perovskite-based memristors. These advancements have been realized through composition engineering, dimensionality modulation, thin-film processing, and device optimization. This review concisely summarizes recent developments in all-inorganic perovskite memristors, highlighting their diverse material properties, device performance, and applications in artificial synapses and logic operations. We discuss key resistance-switching mechanisms, optimization strategies, and operational capabilities while outlining remaining challenges and future directions for perovskite-based memory technologies.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 155-176"},"PeriodicalIF":13.1,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Molecularly tailored quaternary pyridinium salt for post-treatment to enhance defect passivation and charge carrier dynamics in perovskite solar cells 分子定制季吡啶盐后处理增强钙钛矿太阳能电池缺陷钝化和载流子动力学

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-28 DOI: 10.1016/j.jechem.2025.05.035

Murat Ebic , Faranak Sadegh , Muhammad Ans , Pankaj Yadav , Daniel Prochowicz , Seckin Akin

{"title":"Molecularly tailored quaternary pyridinium salt for post-treatment to enhance defect passivation and charge carrier dynamics in perovskite solar cells","authors":"Murat Ebic , Faranak Sadegh , Muhammad Ans , Pankaj Yadav , Daniel Prochowicz , Seckin Akin","doi":"10.1016/j.jechem.2025.05.035","DOIUrl":"10.1016/j.jechem.2025.05.035","url":null,"abstract":"<div><div>The modification of the perovskite surface using functional additives is one of the most promising strategies to reduce nonradiative recombination and improve the stability of perovskite solar cells (PSCs). In this work, a novel quaternary pyridinium-based halide salt, 1-ethyl-4-(methoxycarbonyl) pyridinium iodide (EMCP-I), is introduced as an effective post-treatment molecule to improve the quality of the perovskite film. EMCP-I exhibits dual functionality to passivate both negatively and positively charged defects and improve the film morphology. Furthermore, the treatment fine-tunes energy level alignment between the perovskite layer and the hole transport layer (HTL), facilitating more efficient charge transport. Consequently, EMCP-I-treated devices achieve a remarkable power conversion efficiency (PCE) improvement from 20.5% to 22.6%, driven primarily by an enhanced open-circuit voltage (<em>V</em><sub>OC</sub>). Beyond efficiency gains, the treatment significantly enhances the environmental and operational stabilities of solar cells. This work provides a guide for tailoring quaternary pyridinium-based molecules for simultaneous improvement of the efficiency and stability of PSCs.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 120-128"},"PeriodicalIF":13.1,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Designing durable and efficient Co-based catalysts for acidic oxygen evolution reaction in proton exchange membrane water electrolyzers 为质子交换膜水电解槽酸性析氧反应设计耐用高效的co基催化剂

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-28 DOI: 10.1016/j.jechem.2025.05.036

Chuansheng He , Jia Wang , Ren He , Linlin Yang , Yizhong Lu , Andreu Cabot

{"title":"Designing durable and efficient Co-based catalysts for acidic oxygen evolution reaction in proton exchange membrane water electrolyzers","authors":"Chuansheng He , Jia Wang , Ren He , Linlin Yang , Yizhong Lu , Andreu Cabot","doi":"10.1016/j.jechem.2025.05.036","DOIUrl":"10.1016/j.jechem.2025.05.036","url":null,"abstract":"<div><div>Proton exchange membrane water electrolyzers (PEMWEs) are pivotal for efficient hydrogen production due to their high energy efficiency and ability to operate at high current densities, making them ideally suited for integration with renewable energy sources. Cobalt (Co)-based nanomaterials, characterized by diverse oxidation states, tunable electronic spin states, and hybrid orbitals, have emerged as promising non-noble metal alternatives to platinum group catalysts for accelerating the anodic oxygen evolution reaction (OER). Based on their inherent properties, this review provides a comprehensive overview of the latest developments in Co-based nanomaterials for acidic OER. The review begins by introducing the operational principles of PEMWEs, the underlying catalytic mechanisms, and the critical design considerations for OER catalysts. It then explores strategies to enhance the activity and stability of Co-based catalysts for acidic OER in PEMWEs, including the incorporation of corrosion-resistant metals or dispersion on acid-resistant supports to increase active surface area and stability; utilization of geometric structural engineering to improve structural integrity and active site efficiency; the optimization of reaction mechanisms to fine-tune catalytic pathways for enhanced stability and performance. The performance degradation mechanisms and metal leaching analysis for Co-based catalysts in PEMWE are also clarified. Finally, this review not only outlines the key challenges associated with Co-based catalysts for acidic OER but also proposes potential strategies to overcome these limitations, offering a roadmap for future advancements and practical implementation of PEMWE technology.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 378-402"},"PeriodicalIF":13.1,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144288851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A hydrogen-centric perspective on electrocatalytic nitrate reduction: Managing the active hydrogen lifecycle from generation to utilization 以氢为中心的电催化硝酸还原视角：从产生到利用的活性氢生命周期管理

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-27 DOI: 10.1016/j.jechem.2025.05.032

Zhihao Wang, Xu Zhang, Zhiyu Ren, Zhimin Chen

{"title":"A hydrogen-centric perspective on electrocatalytic nitrate reduction: Managing the active hydrogen lifecycle from generation to utilization","authors":"Zhihao Wang, Xu Zhang, Zhiyu Ren, Zhimin Chen","doi":"10.1016/j.jechem.2025.05.032","DOIUrl":"10.1016/j.jechem.2025.05.032","url":null,"abstract":"<div><div>Electrocatalytic nitrate reduction reaction (NitRR) utilizing water as a hydrogen source under ambient conditions represents a highly promising avenue for sustainable ammonia synthesis and environmental remediation. However, achieving high efficiency and selectivity in NitRR is fundamentally challenged by the complex lifecycle management of active hydrogen derived from water splitting. This review provides a timely and comprehensive analysis centered on the pivotal role and meticulous regulation of active hydrogen throughout the NitRR process. We first elucidate the distinct functions and characteristics of various hydrogen species, followed by a survey of advanced characterization techniques crucial for monitoring the dynamics of active hydrogen. Critically, three core strategies were systematically dissected to modulate the active hydrogen lifecycle: accelerating water activation and dissociation, enhancing the directional transport of hydrogen species, and precisely tuning active hydrogen coupling pathways while suppressing parasitic hydrogen evolution. By consolidating current understanding from both catalyst design and reaction mechanism perspectives, this review offers a hydrogen-centric roadmap and highlights emerging opportunities for rationally engineering advanced NitRR systems.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 210-230"},"PeriodicalIF":13.1,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Beyond 1 Wh primary coin cells enabled by ultrathick solvent-free processing electrodes 超过1 Wh的初级硬币电池由超厚无溶剂加工电极实现

IF 13.1 1区化学

Journal of Energy Chemistry Pub Date : 2025-05-27 DOI: 10.1016/j.jechem.2025.05.033

Yifan Li , Dengcheng Liu , Yanyan Lu , Nan Qin , Mingzhe Xue , Cunman Zhang , Zonghai Chen , Jim P. Zheng , Liming Jin

{"title":"Beyond 1 Wh primary coin cells enabled by ultrathick solvent-free processing electrodes","authors":"Yifan Li , Dengcheng Liu , Yanyan Lu , Nan Qin , Mingzhe Xue , Cunman Zhang , Zonghai Chen , Jim P. Zheng , Liming Jin","doi":"10.1016/j.jechem.2025.05.033","DOIUrl":"10.1016/j.jechem.2025.05.033","url":null,"abstract":"<div><div>The imperative pursuit of elevated energy density in lithium primary coin cells (LPCCs) necessitates strategic architectural optimization to align with evolving market demands. A predominant approach involves the systematic replacement of metallic structural support components (MSSCs) to minimize non-active constituent ratios, contingent upon maintaining robust interfacial contact integrity among electrodes, separators, and battery shells. Herein, we present a novel LPCC configuration employing solvent-free processed ultra-thick fluorinated carbon cathode (UCF<em><sub>x</sub></em>C) to achieve complete MSSCs elimination. The engineered UCF<em><sub>x</sub></em>C demonstrates exceptional areal capacity metrics (249.45 mg cm<sup>−2</sup>, 215.77 mAh cm<sup>−2</sup>), enabling a 27.8% mass reduction compared with conventional laboratory-assembled coin cell while achieving 941.5% energy density enhancement through optimized electrode conductivity. Notably, single-walled carbon nanotube (SWCNT)-modified UCF<em><sub>x</sub></em>C architectures exhibited superior performance with energy exceeding 1.0 Wh at 50 °C. This architectural paradigm provides valuable insights for developing next-generation high-energy-density LPCC systems, with practical implications for advancing miniaturized power source technologies.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"109 ","pages":"Pages 138-145"},"PeriodicalIF":13.1,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0