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Back Cover Image, Volume 7, Number 9, September 2025 封底图片,第七卷,第九期,2025年9月
IF 24.2 1区 材料科学
Carbon Energy Pub Date : 2025-09-29 DOI: 10.1002/cey2.70105
Dong Hoon Sun, So Yeon Yun, Xiaoyan Jin, Seong-Ju Hwang
{"title":"Back Cover Image, Volume 7, Number 9, September 2025","authors":"Dong Hoon Sun,&nbsp;So Yeon Yun,&nbsp;Xiaoyan Jin,&nbsp;Seong-Ju Hwang","doi":"10.1002/cey2.70105","DOIUrl":"https://doi.org/10.1002/cey2.70105","url":null,"abstract":"<p><b><i>Back cover image</i></b>: The exsolution method offers a powerful route for developing efficient and stable electrocatalysts. In article number e70013, Sun et al. present a pnictogenation-assisted exsolution approach to fabricate size-tunable Ru nanocatalysts embedded in a conductive metal pnictogenide matrix. By tuning the pnictogenation conditions, they achieve controlled formation of Ru nanoclusters and single atoms, enabling tailored catalytic performance. The resulting materials exhibit exceptional electrocatalytic performance for the hydrogen evolution reaction, with improved stability and activity attributed to strong interfacial electronic interactions.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 9","pages":""},"PeriodicalIF":24.2,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70105","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover Image, Volume 7, Number 9, September 2025 封面图片,第七卷,第九期,2025年9月
IF 24.2 1区 材料科学
Carbon Energy Pub Date : 2025-09-29 DOI: 10.1002/cey2.70104
Zhao Sun, Kun Lei, Louise R. Smith, Nicholas F. Dummer, Richard J. Lewis, Haifeng Qi, Kieran J. Aggett, Stuart H. Taylor, Zhiqiang Sun, Graham J. Hutchings
{"title":"Cover Image, Volume 7, Number 9, September 2025","authors":"Zhao Sun,&nbsp;Kun Lei,&nbsp;Louise R. Smith,&nbsp;Nicholas F. Dummer,&nbsp;Richard J. Lewis,&nbsp;Haifeng Qi,&nbsp;Kieran J. Aggett,&nbsp;Stuart H. Taylor,&nbsp;Zhiqiang Sun,&nbsp;Graham J. Hutchings","doi":"10.1002/cey2.70104","DOIUrl":"https://doi.org/10.1002/cey2.70104","url":null,"abstract":"<p><b><i>Front cover image</i></b>: Oxygen carriers play pivotal roles in various chemical looping processes, such as CO<sub>2</sub> splitting. Nevertheless, they have been restricted by deactivation and inferior oxygen transferability at low temperatures, and in article number e70011, Sun et al. design a Fe–O<sub>v</sub>–Ce-triggered phase-reversible CeO<sub>2−<i>x</i></sub>·Fe·CaO oxygen carrier with strong electron-donating ability, which activates CO<sub>2</sub> at low temperatures and promotes oxygen transformation.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 9","pages":""},"PeriodicalIF":24.2,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70104","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover Image, Volume 7, Number 8, August 2025 封面图片,第七卷,第八期,2025年8月
IF 24.2 1区 材料科学
Carbon Energy Pub Date : 2025-08-27 DOI: 10.1002/cey2.70085
Jinzheng Yang, Xiaowei Jia, Bingyue Li, Jiudi Zhang, Yali Wang, Yufeng Liu, Junjie Li, Taowen Dong, Dong Cai, Zhanshuang Jin
{"title":"Cover Image, Volume 7, Number 8, August 2025","authors":"Jinzheng Yang,&nbsp;Xiaowei Jia,&nbsp;Bingyue Li,&nbsp;Jiudi Zhang,&nbsp;Yali Wang,&nbsp;Yufeng Liu,&nbsp;Junjie Li,&nbsp;Taowen Dong,&nbsp;Dong Cai,&nbsp;Zhanshuang Jin","doi":"10.1002/cey2.70085","DOIUrl":"https://doi.org/10.1002/cey2.70085","url":null,"abstract":"<p><b><i>Front cover image</i></b>: Lithium-sulfur (Li-S) batteries hold great promise for high-energy-density storage, but their practical performance is hindered by sluggish lithium polysulfide (LiPS) conversion kinetics. To address this issue, in the article numbered e270043, Yang et al. successfully synthesized ultrafine truncated octahedral titanium dioxide nanocrystals (P-O<sub>v</sub>-TiO<sub>2</sub>) with specific {101} crystal faces, phosphorus doping, and oxygen vacancies under mild conditions. The oxygen vacancies significantly enhance the electron enrichment and charge transfer ability by adjusting the electronic structure; phosphorus doping effectively optimize the <i>d</i>-band center of the catalyst, further strengthening the titanium-sulfur interaction at the {101} crystal faces. This dual-defect engineering enables the exposed {101} crystal faces to exhibit excellent chemical adsorption capacity and catalytic performance. The assembled lithium-sulfur battery using P-O<sub>v</sub>-TiO<sub>2</sub> as the separator modification achieves a high specific capacity of 895 mAh g<sup>-1</sup> at 5 C and exhibites a minimal decay rate of 0.14% per cycle over 200 cycles. Additionally, the lithium-sulfur pouch battery delivers a high capacity of 1004 mAh g<sup>-1</sup> under a 0.1 C current density in a low electrolyte condition. This research provides important theoretical basis and new ideas for designing efficient catalysts suitable for lithium-sulfur battery applications.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 8","pages":""},"PeriodicalIF":24.2,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70085","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144909927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Back Cover Image, Volume 7, Number 8, August 2025 封底图片,第七卷,第八期,2025年8月
IF 24.2 1区 材料科学
Carbon Energy Pub Date : 2025-08-27 DOI: 10.1002/cey2.70086
Yaxi Ding, Keming Zhu, Haoqu Jin, Wenxia Gao, Bing Wang, Shi Bian, Rui He, Jiahong Wang, Hui Yang, Kramer Denis, Xue-Feng Yu, Chunyi Zhi, Chao Peng
{"title":"Back Cover Image, Volume 7, Number 8, August 2025","authors":"Yaxi Ding,&nbsp;Keming Zhu,&nbsp;Haoqu Jin,&nbsp;Wenxia Gao,&nbsp;Bing Wang,&nbsp;Shi Bian,&nbsp;Rui He,&nbsp;Jiahong Wang,&nbsp;Hui Yang,&nbsp;Kramer Denis,&nbsp;Xue-Feng Yu,&nbsp;Chunyi Zhi,&nbsp;Chao Peng","doi":"10.1002/cey2.70086","DOIUrl":"https://doi.org/10.1002/cey2.70086","url":null,"abstract":"<p><b><i>Back cover image</i></b>: Layered manganese dioxide (δ-MnO<sub>2</sub>) cathodes for aqueous zinc-ion batteries offer high capacity but suffer from sluggish Zn<sup>2+</sup> diffusion and severe manganese dissolution. In article number e70014, Ding et al. engineer a dual-functional δ-MnO<sub>2</sub> cathode modified with 2-methylimidazole. This synergistic molecular design combines pre-intercalation to expand interlayer spacing (accelerating Zn<sup>2+</sup> diffusion) and surface coating to form stabilizing Mn–N bonds (suppressing Mn<sup>2+</sup> dissolution), achieving exceptional capacity and cycling stability.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 8","pages":""},"PeriodicalIF":24.2,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70086","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144909925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recovery of Lead-Zinc Slags to Methyl-Ammonium Lead Tri-Iodide With Single-Atom Fe–N4 Sites for Piezocatalytic Hydrogen Evolution 用单原子Fe-N4位回收铅锌渣制三碘化铅甲基铵用于压催化析氢
IF 24.2 1区 材料科学
Carbon Energy Pub Date : 2025-07-30 DOI: 10.1002/cey2.70055
Fangyan Liu, Mengye Wang, Jiawen Liu, Feng Gao, Jiahui Lin, Jiaqing He, Feng Zhu, Chuan Liu, Zhang Lin
{"title":"Recovery of Lead-Zinc Slags to Methyl-Ammonium Lead Tri-Iodide With Single-Atom Fe–N4 Sites for Piezocatalytic Hydrogen Evolution","authors":"Fangyan Liu,&nbsp;Mengye Wang,&nbsp;Jiawen Liu,&nbsp;Feng Gao,&nbsp;Jiahui Lin,&nbsp;Jiaqing He,&nbsp;Feng Zhu,&nbsp;Chuan Liu,&nbsp;Zhang Lin","doi":"10.1002/cey2.70055","DOIUrl":"https://doi.org/10.1002/cey2.70055","url":null,"abstract":"<p>Lead (Pb)–zinc (Zn) slags contain large amounts of Pb, causing irreversible damage to the environment. Therefore, developing an effective strategy to extract Pb from Pb–Zn slags and convert them into a renewable high-value catalyst not only solves the energy crisis but also reduces environmental pollution. Herein, we present a viable strategy to recycle Pb and iron (Fe) from Pb–Zn slags for the fabrication of efficient methylammonium lead tri-iodide (r-MAPbI<sub>3</sub>) piezocatalysts with single-atom Fe–N<sub>4</sub> sites. Intriguingly, atomically dispersed Fe sites from Pb–Zn slags, which coordinated with N in the neighboring four CH<sub>3</sub>NH<sub>3</sub> to form the FeN<sub>4</sub> configuration, were detected in the as-obtained r-MAPbI<sub>3</sub> by synchrotron X-ray absorption spectroscopy. The introduction of Fe single atoms amplified the polarization of MAPbI<sub>3</sub> and upshifted the d-band center of MAPbI<sub>3</sub>. This not only enhanced the piezoelectric response of MAPbI<sub>3</sub> but also promoted the proton transfer during the hydrogen evolution process. Due to the decoration of Fe single atoms, r-MAPbI<sub>3</sub> showed a pronounced H<sub>2</sub> yield of 322.4 μmol g<sup>−1</sup> h<sup>−1</sup>, which was 2.52 times that of MAPbI<sub>3</sub> synthesized using commercially available reagents. This simple yet robust strategy to manufacture MAPbI<sub>3</sub> piezocatalysts paves a novel way to the large-scale and value-added consumption of Pb-containing waste residues.</p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 8","pages":""},"PeriodicalIF":24.2,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70055","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144910427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Back Cover Image, Volume 7, Number 7, July 2025 封底图片,第七卷,第七期,2025年7月
IF 19.5 1区 材料科学
Carbon Energy Pub Date : 2025-07-24 DOI: 10.1002/cey2.70074
Unbeom Baeck, Min-Cheol Kim, Duong Nguyen Nguyen, Jaekyum Kim, Jaehyoung Lim, Yujin Chae, Namsoo Shin, Heechae Choi, Joon Young Kim, Chan-Hwa Chung, Woo-Seok Choe, Ho Seok Park, Uk Sim, Jung Kyu Kim
{"title":"Back Cover Image, Volume 7, Number 7, July 2025","authors":"Unbeom Baeck,&nbsp;Min-Cheol Kim,&nbsp;Duong Nguyen Nguyen,&nbsp;Jaekyum Kim,&nbsp;Jaehyoung Lim,&nbsp;Yujin Chae,&nbsp;Namsoo Shin,&nbsp;Heechae Choi,&nbsp;Joon Young Kim,&nbsp;Chan-Hwa Chung,&nbsp;Woo-Seok Choe,&nbsp;Ho Seok Park,&nbsp;Uk Sim,&nbsp;Jung Kyu Kim","doi":"10.1002/cey2.70074","DOIUrl":"https://doi.org/10.1002/cey2.70074","url":null,"abstract":"<p><b><i>Back cover image</i></b>: The rational design of transition metal incorporated electrocatalyst for hydrogen evolution reaction is an effective way to produce economical hydrogen. However, the practical application of data-driven methodology is limited due to the complexity of electrochemical systems. In article number cey2.70006, Kim and Sim et al. present the machine learning based facile strategy to optimize the catalyst and experimental conditions. The trained model accurately predicts experimental variables, which are validated by proton exchange membrane-based water electrolysis system. This work provides insight into the simplified approach for the design optimization of machine learning-assisted catalysts and systems.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 7","pages":""},"PeriodicalIF":19.5,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70074","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144688261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Graphene-Based Phthalocyanine-Assembled Synergistic Fe-Co-Ni Trimetallic Single-Atomic Bifunctional Electrocatalysts by Rational Design for Boosting Oxygen Reduction/Evolution Reactions 基于石墨烯的酞菁组装的Fe-Co-Ni三金属单原子双功能电催化剂的合理设计促进氧还原/析出反应
IF 24.2 1区 材料科学
Carbon Energy Pub Date : 2025-07-24 DOI: 10.1002/cey2.70062
Yujun Wu, Shaobing Tang, Wenbo Shi, Zhaoyu Ning, Xingke Du, Cunling Ye, Zhengyu Bai, Wei Shuang, Qing Zhang, Lin Yang
{"title":"Graphene-Based Phthalocyanine-Assembled Synergistic Fe-Co-Ni Trimetallic Single-Atomic Bifunctional Electrocatalysts by Rational Design for Boosting Oxygen Reduction/Evolution Reactions","authors":"Yujun Wu,&nbsp;Shaobing Tang,&nbsp;Wenbo Shi,&nbsp;Zhaoyu Ning,&nbsp;Xingke Du,&nbsp;Cunling Ye,&nbsp;Zhengyu Bai,&nbsp;Wei Shuang,&nbsp;Qing Zhang,&nbsp;Lin Yang","doi":"10.1002/cey2.70062","DOIUrl":"https://doi.org/10.1002/cey2.70062","url":null,"abstract":"<p>Development of high-efficiency bifunctional oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) electrocatalysts is vital for the widespread application of zinc–air batteries (ZABs). However, it still remains a great challenge to avoid the inhomogeneous distribution and aggregation of metal single-atomic active centers in the construction of bifunctional electrocatalysts with atomically dispersed multimetallic sites because of the common calcination method. Herein, we report a novel catalyst with phthalocyanine-assembled Fe-Co-Ni single-atomic triple sites dispersed on sulfur-doped graphene using a simple ultrasonic procedure without calcination, and X-ray absorption fine structure (XAFS), aberration-corrected scanning transmission electron microscopy (AC-STEM), and other detailed characterizations are performed to demonstrate the successful synthesis. The novel catalyst shows extraordinary bifunctional ORR/OER activities with a fairly low potential difference (Δ<i>E</i> = 0.621 V) between the OER overpotential (<i>E</i><sub><i>j</i>10</sub> = 315 mV at 10 mA cm<sup>−2</sup>) and the ORR half-wave potential (<i>E</i><sub>half-wave</sub> = 0.924 V). Moreover, the above catalyst shows excellent ZAB performance, with an outstanding specific capacity (786 mAh g<sup>−1</sup>), noteworthy maximum power density (139 mW cm<sup>−2</sup>), and extraordinary rechargeability (discharged and charged at 5 mA cm<sup>−2</sup> for more than 1000 h). Theoretical calculations reveal the vital importance of the preferable synergetic coupling effect between adjacent active sites in the Fe-Co-Ni trimetallic single-atomic sites during the ORR/OER processes. This study provides a new avenue for the investigation of bifunctional electrocatalysts with atomically dispersed trimetallic sites, which is intended for enhancing the ORR/OER performance in ZABs.</p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 9","pages":""},"PeriodicalIF":24.2,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70062","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover Image, Volume 7, Number 7, July 2025 封面图片,第七卷,第七期,2025年7月
IF 19.5 1区 材料科学
Carbon Energy Pub Date : 2025-07-24 DOI: 10.1002/cey2.70073
Liao Shen, Shaoyuan Li, Yanfeng Wang, Jijun Lu, Fengshuo Xi, Huaping Zhao, Zhongqiu Tong, Wenhui Ma, Yong Lei
{"title":"Cover Image, Volume 7, Number 7, July 2025","authors":"Liao Shen,&nbsp;Shaoyuan Li,&nbsp;Yanfeng Wang,&nbsp;Jijun Lu,&nbsp;Fengshuo Xi,&nbsp;Huaping Zhao,&nbsp;Zhongqiu Tong,&nbsp;Wenhui Ma,&nbsp;Yong Lei","doi":"10.1002/cey2.70073","DOIUrl":"https://doi.org/10.1002/cey2.70073","url":null,"abstract":"<p><b><i>Front cover image</i></b>: The cost-effective fabrication of silicon-carbon (Si/C) anode materials is crucial for their industrial application. However, challenges such as high raw material costs, difficult morphology control, and low product yield persist. In article number cey2.70004, Shen et al. develop a binder-regulated spray granulation strategy to convert photovoltaic silicon waste into high-yield, cost-effective Si/C materials for lithium-ion battery anodes, offering a new pathway for the value-added utilization of silicon waste and its industrial-scale application.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 7","pages":""},"PeriodicalIF":19.5,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70073","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144688258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bridge Layer–Enabled Silicon-Based Photoanode With High Photocurrent Density for Efficient and Stable Water Splitting 具有高光电流密度的桥式层使能硅基光阳极,用于高效稳定的水分解
IF 24.2 1区 材料科学
Carbon Energy Pub Date : 2025-07-24 DOI: 10.1002/cey2.70052
Shuyang Peng, Di Liu, Zhiqin Ying, Keyu An, Chunfa Liu, Weng Fai Ip, Kin Ho Lo, Hui Pan
{"title":"Bridge Layer–Enabled Silicon-Based Photoanode With High Photocurrent Density for Efficient and Stable Water Splitting","authors":"Shuyang Peng,&nbsp;Di Liu,&nbsp;Zhiqin Ying,&nbsp;Keyu An,&nbsp;Chunfa Liu,&nbsp;Weng Fai Ip,&nbsp;Kin Ho Lo,&nbsp;Hui Pan","doi":"10.1002/cey2.70052","DOIUrl":"https://doi.org/10.1002/cey2.70052","url":null,"abstract":"<p>Photoelectrochemical (PEC) water splitting holds significant promise for sustainable energy harvesting that enables efficient conversion of solar energy into green hydrogen. Nevertheless, achievement of high performance is often limited by charge carrier recombination, resulting in unsatisfactory saturation current densities. To address this challenge, we present a novel strategy for achieving ultrahigh current density by incorporating a bridge layer between the Si substrate and the NiOOH cocatalyst in this paper. The optimal photoanode (TCO/n–p–Si/TCO/Ni) shows a remarkably low onset potential of 0.92 V vs. a reversible hydrogen electrode and a high saturation current density of 39.6 mA·cm<sup>−2</sup>, which is about 92.7% of the theoretical maximum (42.7 mA·cm<sup>−2</sup>). In addition, the photoanode demonstrates stable operation for 60 h. Our systematic characterizations and calculations demonstrate that the bridge layer facilitates charge transfer, enhances catalytic performance, and provides corrosion protection to the underlying substrate. Notably, the integration of this photoanode into a PEC device for overall water splitting leads to a reduction of the onset potential. These findings provide a viable pathway for fabricating high-performance industrial photoelectrodes by integrating a substrate and a cocatalyst via a transparent and conductive bridge layer.</p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 8","pages":""},"PeriodicalIF":24.2,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70052","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144910119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stabilized Conductive Agent/Sulfide Solid Electrolyte Interface via a Halide Solid Electrolyte Coating for All-Solid-State Batteries 通过卤化物固体电解质涂层稳定导电剂/硫化物固体电解质界面的全固态电池
IF 24.2 1区 材料科学
Carbon Energy Pub Date : 2025-07-16 DOI: 10.1002/cey2.70051
Seungwoo Lee, Hyungjun Lee, Seungmin Han, Yeseung Lee, Seho Sun, Jaeik Kim, Joonhyeok Park, Seunggun Choi, Jiwoon Kim, Jinhee Jung, Jinwoo Jeong, Taeseup Song, Ungyu Paik
{"title":"Stabilized Conductive Agent/Sulfide Solid Electrolyte Interface via a Halide Solid Electrolyte Coating for All-Solid-State Batteries","authors":"Seungwoo Lee,&nbsp;Hyungjun Lee,&nbsp;Seungmin Han,&nbsp;Yeseung Lee,&nbsp;Seho Sun,&nbsp;Jaeik Kim,&nbsp;Joonhyeok Park,&nbsp;Seunggun Choi,&nbsp;Jiwoon Kim,&nbsp;Jinhee Jung,&nbsp;Jinwoo Jeong,&nbsp;Taeseup Song,&nbsp;Ungyu Paik","doi":"10.1002/cey2.70051","DOIUrl":"https://doi.org/10.1002/cey2.70051","url":null,"abstract":"<p>All-solid-state batteries (ASSBs) have garnered significant interest as the next-generation in battery technology, praised for their superior safety and high energy density. However, a conductive agent accelerates the undesirable side reactions of sulfide-based solid electrolytes, resulting in poor electrochemical properties with increased interfacial resistance. Here, we propose a wet chemical method rationally designed to achieve a conformal coating of lithium–indium chloride (Li<sub>3</sub>InCl<sub>6</sub>) onto vapor-grown carbon fibers (VGCFs) as conductive agents. First, with the advantage of the Li<sub>3</sub>InCl<sub>6</sub> protective layer, use of VGCF@Li<sub>3</sub>InCl<sub>6</sub> leads to enhanced interfacial stability and improved electrochemical properties, including stable cycle performance. These results indicate that the Li<sub>3</sub>InCl<sub>6</sub> protective layer suppresses the unwanted reaction between Li<sub>6</sub>PS<sub>5</sub>Cl and VGCF. Second, VGCF@Li<sub>3</sub>InCl<sub>6</sub> effectively promotes polytetrafluoroethylene fibrillization, leading to a homogeneous electrode microstructure. The uniform distribution of the cathode active material in the electrode results in reduced charge-transfer resistance and enhanced Li-ion kinetics. As a result, a full cell with the LiNi<sub>x</sub>Mn<sub>y</sub>Co<sub>z</sub>O<sub>2</sub>/VGCF@Li<sub>3</sub>InCl<sub>6</sub> electrode shows an areal capacity of 7.7 mAh cm<sup>−2</sup> at 0.05 C and long-term cycle stability of 77.9% over 400 cycles at 0.2 C. This study offers a strategy for utilizing stable carbon-based conductive agents in sulfide-based ASSBs to enhance their electrochemical performance.</p>","PeriodicalId":33706,"journal":{"name":"Carbon Energy","volume":"7 8","pages":""},"PeriodicalIF":24.2,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cey2.70051","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144909977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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