In situ plasmonic optical fiber detection of the state of charge of supercapacitors for renewable energy storage
作者机构：Guangdong Key Laboratory of Optical Fiber Sensing and CommunicationsInstitute of Photonics TechnologyJinan UniversityGuangzhouGuangdong 510632People’s Republic of China Department of PhysicsSiyuan LaboratoryGuangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy MaterialsJinan UniversityGuangzhouGuangdong 510632People’s Republic of China Department of ElectronicsCarleton UniversityOttawa K1S 5B6Canada Advanced Electronics and Photonics Research CenterNational Research Council of CanadaOttawa K1A 0R6Canada
出 版 物：《Light(Science & Applications)》 (光（科学与应用)（英文版）)
年 卷 期：2018年第7卷第1期
页 面：729-739页
核心收录：
学科分类：080901[工学-物理电子学] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 0803[工学-光学工程]
基 金：the support of the National Natural Science Foundation-Excellent Youth Foundation of China(No.61722505) the Guangdong Youth Science and Technology Innovation Talents of China(No.2014TQ01X539) the Guangzhou Key Collaborative Innovation Foundation of China(No.2016201604030084) the support of the Natural Science Foundation of China(51772135) the Ministry of Education of China(6141A02022516) the Natural Science Foundation of Guangdong Province(2014A030306010) the support of the Natural Sciences and Engineering Research Council of Canada(No.RGPIN 2014-05612) the Canada Research Chairs Program(No.950-217783)
摘 要：In situ and continuous monitoring of electrochemical activity is key to understanding and evaluating the operation mechanism and efficiency of energy storage ***,this task remains *** example,the present methods are not capable of providing the real-time information about the state of charge(SOC)of the energy storage devices while in *** address this,a novel approach based on an electrochemical surface plasmon resonance(SPR)optical fiber sensor is proposed *** approach offers the capability of in situ comprehensive monitoring of the electrochemical activity(the electrode potential and the SOC)of supercapacitors(used as an example).The sensor adopted is a tilted fiber Bragg grating imprinted in a commercial single-mode fiber and coated with a nanoscale gold film for high-efficiency SPR *** conventional“bulkdetection methods for electrode activity,our approach targets the“localized(sub-μm-scale)charge state of the ions adjacent to the electrode interface of supercapacitors by monitoring the properties of the SPR wave on the fiber sensor surface located adjacent to the electrode.A stable and reproducible correlation between the real-time charge–discharge cycles of the supercapacitors and the optical transmission of the optical fiber has been ***,the method proposed is inherently immune to temperature cross-talk because of the presence of environmentally insensitive reference features in the optical transmission spectrum of the ***,this particular application is ideally suited to the fundamental qualities of optical fiber sensors,such as their compact size,flexible shape,and remote operation capability,thereby opening the way for other opportunities for electrochemical monitoring in various hard-to-reach spaces and remote environments.
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