沙巴体育(唯一)官方网站-Apple App Store

欢迎访问沙巴体育唯一官方网站官方网站!客户对每件产品的放心和满意是沙巴体育唯一官方网站一生的追求,用沙巴体育唯一官方网站的努力,解决您的烦恼!
Banner
当前位置:首页 > 产品中心 > 原位红外附件
电催化原位红外附件

电催化原位红外附件

产品详情

        1686901827741197.png       7777.jpg

                  图1:原理示意图      


电化学原位红外光谱分析是红外分析技术的一个重要分支,能够定性分析电催化(如CO2电还原等)反应、各种类型电池(如锂离子、锂硫电池等)充放电过程中电极表面的产物或中间产物随时间(电位)不断变化的趋势,是研究电化学反应机理以及电化学反应动力学的重要手段之一。

一 基本原理:


内反射模式:

(1)在单晶硅(Si)上化学镀或真空镀一层纳米金膜,纳米金属膜具有表面增强效应。

(2)纳米金膜可作为导电基底,在导电基底上滴涂或电沉积上电催化剂,作为工作电极。

(3)表面增强红外,可得到电催化剂吸附态产物以及中间产物信息。


 7777.jpg

 图2:内反射模式基本原理

外反射模式:

(1)在基底电极(如GCE)表面电沉积或滴涂电催化剂作为工作电极。

(2)工作电极距离晶体的距离可以调节。

(3)晶体可选Ge,ZnSe,CaF2,Si等。

 

1686901827741197.png

图3:外反射模式基本原理

二 附件组成

(1)红外光谱仪主机适配底板,适配主流红外光谱仪。

(2)平面镜加曲面镜。

(3)入射角度调节系统。

(4)衰减全反射晶体。

(5)玻璃电化学池(单池或H型池)以及PEEK外反射池。

(6)电极(玻碳电极、对电极、参比电极)。

(7)距离调节系统。

 

三 主要特点

(1)可变入射角光学台,30-80度连续可调,以保证不同电催化剂处于最大光通量状态。

(2)衰减全反射晶体上具有一层增透膜,光通量增大10%以上

(3)电化学池密封性能好,可通入反应气体。

(4)晶体拆卸简单,方便打磨清洗。

(5)晶体种类可选,如Si,CaF2,ZnSe等。

(6)电化学单池或H型池,切换方便。

(7)提供现场技术服务。

(7)可根据客户需求定制反应池并提供可行性方案

 

四  ATR Crystal characteristics for FTIR sampling


Crystal

pH range

Spectrum range(cm-1)

Diamond

1-14

250/525-4000

Ge

1-14

575-5000

Silicon

1-12

1200-8900

ZnSe

5-9

525-15000

CaF2

5-8

1100-7700


 
应用案例

图片2.jpg

CO2电还原 J. Am. Chem. Soc.2022, 144, 259269


图片6.jpg

氧气析出反应 J. Am. Chem. Soc. 2022, 144, 21, 9271–9279


部分客户论文发表清单:

  1. Jianping Xiao*, Bin Zhang*, et al. Unveiling hydrocerussite as an electrochemically stable active phase for efficient carbon dioxide electroreduction to formate. Nat. Commun. 2020, 11, 3415

  2. Lei Yan, Yonggang Wang*, et al. Chemically Self-Charging Aqueous Zinc-Organic Battery. J. Am. Chem. Soc. 2021, 143, 15369-15377 

  3. Bingliang Wang, Yongyao Xia*, et al. In situ structural evolution of the multi-site alloy electrocatalyst to manipulate the intermediate for enhanced water oxidation reaction. Energy Environ. Sci. 2020, 13, 2200-2208

  4. Yang Peng*, et al. Breaking Linear Scaling Relationship by Compositional and Structural Crafting of Ternary Cu-Au/Ag Nanoframes for Electrocatalytic Ethylene Production. Angew. Chem. Int. Ed. 2021, 60, 2508-2518 

  5. Zhuo Yu, Yonggang Wang*, et al. Boosting Polysulfide Redox Kinetics by Graphene-Supported Ni Nanoparticles with Carbon Coating. Adv. Energy Mater. 2020, 10, 2000907

  6. Xinwei Ding, Zhi Yang*, et al. Biomimetic Molecule Catalysts to Promote the Conversion of Polysulfides for Advanced Lithium–Sulfur Batteries Adv. Funct. Mater. 2020, 30, 2003354 

  7. Hong Guo*, Xueliang Sun*, et al. Dual Active Site of the Azo and Carbonyl-Modified Covalent Organic Framework for High-Performance Li Storage. ACS Energy Lett. 2020, 5, 1022-1031

  8. Bin Zhang* et al. Superficial Hydroxyl and Amino Groups Synergistically Active Polymeric Carbon Nitride for CO2 Electroreduction. ACS Catal. 2019, 9, 10983-10989 

  9. Suya Zhou, Zhi Yang*, et al. Dual-Regulation Strategy to Improve Anchoring and Conversion of Polysulfides in Lithium–Sulfur Batteries ACS Nano. 2020, 14, 7538–7551

  10. Yongyao Xia*, et al. Low-Temperature Charge/Discharge of Rechargeable Battery Realized by Intercalation Pseudocapacitive Behavior. Adv. Sci. 2020, 7, 2000196

  11. Lei Wang*, Yonggang Wang, et al. Pencil-drawing on nitrogen and sulfur co-doped carbon paper: An effective and stable host to pre-store Li for high-performance lithium–air batteries. Energy Storage Materials. 2020, 26, 593-603

  12. Bin Zhang, et al. Unveiling in situ evolved In/In2O3− x heterostructure as the active phase of In2O3 toward efficient electroreduction of COto formate. Science Bulletin. 2020, 65, 1547-1554

  13. Huani Li, Shubiao Xia*, Hong Guo*, et al. Red Phosphorus Confined in Hierarchical Hollow Surface-Modified Co9S8 for Enhanced Sodium Storage. Sustainable Energy Fuels. 2020, 4, 2208-2219 

  14. Guanglei Cui*, Liquan Chen, et al. Non-flammable nitrile deep eutectic electrolyte enables high voltage lithium metal batteries. Chem. Mater. 2020, 32, 3405-3413 

  15. Guanglei Cui*, et al. Investigation on the Cathodic Interfacial Stability of Nitrile Electrolyte and its performance with High Voltage LiCoO2 Chem. Commun. 2020, 56, 4998-5001 

  16. Zhongbin Zhuang*, et al. A highly-active, stable and low-cost platinum-free anode catalyst based on RuNi for hydroxide exchange membrane fuel cells. Nat. Commun. 2020, 11, 5651 

  17. Tiancun Liu, Yong Wang*, et al. Organic supramolecular protective layer with rearranged and defensive Li deposition for stable and dendrite-free lithium metal anode. Energy Storage Materials. 2020, 32, 261–271

  18. X. Yin, Y. Wang*, et al. Designing cobalt-based coordination polymers for high-performance sodium and lithium storage: from controllable synthesis to mechanism detection. Materials Today Energy. 2020, 17, 100478

  19. Song Chen, Jintao Zhang*, et al. Regulation of Lamellar Structure of Vanadium Oxide via Polyaniline Intercalation for High-Performance Aqueous Zinc-Ion Battery. Adv. Funct. Mater. 2020, 30, 2003890 

  20. Yanrong Xue, Zhongbin Zhuang*, et al. Sulfate-Functionalized RuFeOx as Highly Efficient Oxygen Evolution Reaction Electrocatalyst in Acid. Adv. Funct. Mater. 2021, 31, 2101405

  21. Hong Guo*, et al. Cooperative catalytic interface accelerates redox kinetics of sulfur species for high-performance Li-S batteries. Energy Storage Materials. 2021, 40, 139-149

  22. Bin Zhang*, et al. Promoting nitric oxide electroreduction to ammonia over electron-rich Cu modulated by Ru doping. SCIENCE CHINA Chemistry. 2021, 64, 1493–1497

  23. Yang Peng*, et al. Geometric Modulation of Local CO Flux in Ag@Cu2O Nanoreactors for Steering the CO2RR pathway toward High-Efficacy Methane Production. Adv. Mater. 2021, 33, 2101741

  24. Yonggang Wang*, et al. Molecular Tailoring of n/p-type Phenothiazine Organic Scaffold for Zinc Batteries. Angew. Chem. Int. Ed. 2021, 60, 20826-20832 

  25. Hongliang Jiang*, Chunzhong Li*, et al. Dynamically Formed Surfactant Assembly at the Electrified Electrode–Electrolyte Interface Boosting CO2 Electroreduction. J. Am. Chem. Soc. 2022, 144, 6613–6622

  26. Yang Peng*, et al. Au-activated N motifs in non-coherent cupric porphyrin metal organic frameworks for promoting and stabilizing ethylene production. Nat. Commun. 2022, 13, 63 

  27. Jie Zeng*, et al. Copper-catalysed exclusive CO2 to pure formic acid conversion via single-atom alloying. Nature Nanotechnology. 2021, 16, 1386-1393 

  28. Min-Rui Gao*, et al. Identification of Cu(100)/Cu(111) Interfaces as Superior Active Sites for CO Dimerization During CO2 Electroreduction. J. Am. Chem. Soc. 2022, 144, 1, 259-269 

  29. Chen Feng, Shiming Zhou*, Jie Zeng*, et al. Tuning the Electronic and Steric Interaction at the Atomic Interface for Enhanced Oxygen Evolution. J. Am. Chem. Soc. 2022, 144,21,9271-9279 

  30. Rui Lin, Jianhui Wang, et al. Asymmetric donor-acceptor moleculeregulated core-shell-solvation electrolyte for high-voltage aqueous batteries. Joule 2022, 6, 399–417 

  31. Xiaogang Zhang*, et al. Successive Cationic and Anionic (De)-Intercalation/Incorporation into an Ion-Doped Radical Conducting Polymer. Batteries & Supercaps 2019, 2, 979-984

  32. Zhongju Wang, Yongzhu Fu*, et al. Biredox‐Ionic Anthraquinone‐Coupled Ethylviologen Composite Enables Reversible Multielectron Redox Chemistry for Li‐Organic Batteries. Adv. Sci. 2022, 9, 2103632 

  33. Jintao Zhang*, et al. Defect evolution of hierarchical SnO2 aggregatesfor boosting COelectrocatalytic reduction. J. Mater. Chem. A 2021, 9, 14741-14751

  34. Fei Ai, Yijun Lu*, et al. Heteropoly acid negolytes for high-power-density aqueous redox flow batteries at low temperatures. Nature Energy 2022, 7, 417–426 

  35. Zhejun Li, Yijun Lu*. Polysulfide-based redox flow batteries with long life and low levelized cost enabled by charge-reinforced ion-selective membranes. Nature Energy 2021, 6, 517–528

  36. Shanshan Lu, Wei Zhou. et al. Phenanthrenequinone-like moiety functionalized carbon for electrocatalytic acidic oxygen evolution. Chem. 2022, 8, 1415-1426.  

  37. Tieliang Li, Yifu Yu, Bin Zhang*, et al. Sulfate-Enabled Nitrate Synthesis from Nitrogen Electrooxidation on Rhodium Electrocatalyst. Angew. Chem. Int. Ed. 2022, e202204541 

  38. Yanbo Li, Bin Zhang, Yifu Yu*, et al. Electrocatalytic Reduction of Low-Concentration Nitric Oxide into Ammonia over Ru Nanosheets. ACS Energy Letters 2022, 7, 1187-1194 

  39. Yanmei Huang, Yifu Yu, Bin Zhang*, et al. Direct Electrosynthesis of Urea from Carbon Dioxide and Nitric Oxide. ACS Energy Letters 2022, 7, 284-291

  40. Wenfu Xie, Hao Li, Min Wei*, et al. NiSn Atomic Pair on Integrated Electrode for Synergistic Electrocatalytic CO2 Reduction. Angew. Chem. Int. Ed. 2021, 60, 7382–7388

  41. Rui Sui, Jiajing Pei, Zhongbin Zhuang*, et al. Engineering Ag−Nx Single-Atom Sites on Porous Concave N-Doped Carbon for Boosting COElectroreduction. ACS Appl. Mater. Interfaces 2021, 13, 17736-17744 

  42. Tiliang Li, Yuting Wang, Yifu Yu*, Bin Zhang*, et al. Ru-Doped Pd Nanoparticles for Nitrogen Electrooxidation to Nitrate. ACS Catal. 2021, 11, 14032-14037

  43. Bin Zhang*, et al. Promoting selective electroreduction of nitrates to ammonia over electron-deficient Co modulated by rectifying Schottky contacts. Science China Chemistry 2020, 63, 1469-1476

  44. Jiangwei Shi, Bin Zhang*, et al. Promoting nitric oxide electroreduction to ammonia over electron-rich Cu modulated by Ru doping. Science China Chemistry 2021, 64, 1493-1497 

  45. Jintao Zhang* et al. Atomic Bridging Structure of Nickel-Nitrogen-Carbon for Highly Efficient Electrocatalytic Reduction of CO2. Angew. Chem.Int. Ed. 2022, 61, e202113918

  46. Lang Xu* et al. Gadolinium Changes the Local Electron Densities of Nickel 3d Orbitals for Efficient Electrocatalytic CO2 Reduction. Angew. Chem.Int. Ed. 2022, 61, e202201166

  47. Bin Zhang* et al. Phenanthrenequinone-like moiety functionalized carbon for electrocatalytic acidic oxygen evolution. Chem. 2022, 8, 1415-1426

  48. Sheng Dai*, Minghui Zhua*, Yifan Han* et al. Probing the role of surface hydroxyls for Bi, Sn and In catalysts during CO2 Reduction. Applied Catalysis B: Environmental 2021, 298,

  49. Nan Wang, Yonggang Wang*, et al. Zinc-organic Battery with a Wide Operation-temperature Window from -70 to 150 oC. Angew. Chem. Int. Ed. 2020,59,14577-14583

  50. Nannan Meng, Yifu Yu, Bin Zhang*, et al. Efficient Electrosynthesis of Syngas with Tunable CO/H2 Ratios over ZnxCd1-xS-Amine Inorganic-Organic Hybrids. Angew. Chem. Int. Ed. 2019, 58, 18908–18912





XML 地图