电池原位红外附件
产品详情
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。
构造原理:
(1)两电极体系,专为电池体系设计。
(2)电化学反应池气密性良好,可通入反应气体。
(3)金刚石晶体,适用性广。
图2:基本原理示意图
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)光路系统。
(3)PEEK材质气密性电化学池。
(4)O型圈密封件。
主要特点
(1)优化的光路系统,光通量大。
(2)电化学池密封性能好,可通入反应气体。
(3)金刚石晶体光通量大。
(4)独特的电极,电解液信号采集调节技术。
(5)可实现电化学红外质谱三联用。
(6)金刚石晶体板和电化学池拆卸方便,可方便在手套箱中组装电池。
(7)提供现场技术服务。
主要技术参数
1.光谱范围:250/525-4000 cm-1
2.晶体种类:金刚石晶体
3.电化学池:PEEK材质,两电极体系,气密性池体,可方便在手套箱中装卸电池,设有进气口和出气口,可实现各类电池充放电过程中红外光谱的采集。
4.温控电化学池,温控范围:RT-100℃,温控精度0.1℃。
5.电极与金刚石晶体距离调节系统,带刻度微调功能,重现性好,以实现观测电解液溶剂化或电极表面物种变化。
6.电化学池可实现电化学质谱仪与红外三联用,提供多联用技术方案。
7.反射次数:单次反射。
8.反射类型:外反射。
9.光路反射系统适配主流品牌红外光谱仪,提供光谱仪适配底板,光路系统方便安放或取出光谱仪样品仓。
应用案例
锂离子电池 Chem. Mater. 2020, 32, 8, 3405–3413
锂离子电池 ACS Energy Lett. 2020, 5, 1022−1031
锌离子电池 Adv. Funct. Mater. 2020, 2003890
锂离子电池 Joule 2022, 6, 399–417
部分客户论文发表清单:
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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
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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
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