[{"date_created":"2024-12-22T23:01:47Z","_id":"18701","day":"01","OA_type":"closed access","publication_status":"published","doi":"10.1016/j.matlet.2024.137869","author":[{"full_name":"Mahato, Neelima","last_name":"Mahato","first_name":"Neelima"},{"full_name":"Singh, Saurabh","id":"12d625da-9cb3-11ed-9667-af09d37d3f0a","last_name":"Singh","orcid":"0000-0003-2209-5269","first_name":"Saurabh"},{"full_name":"Sreekanth, T. V.M.","last_name":"Sreekanth","first_name":"T. V.M."},{"full_name":"Yoo, Kisoo","last_name":"Yoo","first_name":"Kisoo"},{"last_name":"Kim","full_name":"Kim, Jonghoon","first_name":"Jonghoon"}],"month":"03","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","external_id":{"isi":["001433664000001"]},"citation":{"short":"N. Mahato, S. Singh, T.V.M. Sreekanth, K. Yoo, J. Kim, Materials Letters 382 (2025).","apa":"Mahato, N., Singh, S., Sreekanth, T. V. M., Yoo, K., &#38; Kim, J. (2025). In-situ engineered highly-crystalline Polythiophene empowered electrochemical capacitor-II: Anomalous electrochemical charge storage behavior of Polythiophene-rGO composite. <i>Materials Letters</i>. Elsevier. <a href=\"https://doi.org/10.1016/j.matlet.2024.137869\">https://doi.org/10.1016/j.matlet.2024.137869</a>","mla":"Mahato, Neelima, et al. “In-Situ Engineered Highly-Crystalline Polythiophene Empowered Electrochemical Capacitor-II: Anomalous Electrochemical Charge Storage Behavior of Polythiophene-RGO Composite.” <i>Materials Letters</i>, vol. 382, 137869, Elsevier, 2025, doi:<a href=\"https://doi.org/10.1016/j.matlet.2024.137869\">10.1016/j.matlet.2024.137869</a>.","ieee":"N. Mahato, S. Singh, T. V. M. Sreekanth, K. Yoo, and J. Kim, “In-situ engineered highly-crystalline Polythiophene empowered electrochemical capacitor-II: Anomalous electrochemical charge storage behavior of Polythiophene-rGO composite,” <i>Materials Letters</i>, vol. 382. Elsevier, 2025.","ama":"Mahato N, Singh S, Sreekanth TVM, Yoo K, Kim J. In-situ engineered highly-crystalline Polythiophene empowered electrochemical capacitor-II: Anomalous electrochemical charge storage behavior of Polythiophene-rGO composite. <i>Materials Letters</i>. 2025;382. doi:<a href=\"https://doi.org/10.1016/j.matlet.2024.137869\">10.1016/j.matlet.2024.137869</a>","chicago":"Mahato, Neelima, Saurabh Singh, T. V.M. Sreekanth, Kisoo Yoo, and Jonghoon Kim. “In-Situ Engineered Highly-Crystalline Polythiophene Empowered Electrochemical Capacitor-II: Anomalous Electrochemical Charge Storage Behavior of Polythiophene-RGO Composite.” <i>Materials Letters</i>. Elsevier, 2025. <a href=\"https://doi.org/10.1016/j.matlet.2024.137869\">https://doi.org/10.1016/j.matlet.2024.137869</a>.","ista":"Mahato N, Singh S, Sreekanth TVM, Yoo K, Kim J. 2025. In-situ engineered highly-crystalline Polythiophene empowered electrochemical capacitor-II: Anomalous electrochemical charge storage behavior of Polythiophene-rGO composite. Materials Letters. 382, 137869."},"publication_identifier":{"issn":["0167-577X"],"eissn":["1873-4979"]},"title":"In-situ engineered highly-crystalline Polythiophene empowered electrochemical capacitor-II: Anomalous electrochemical charge storage behavior of Polythiophene-rGO composite","publisher":"Elsevier","date_updated":"2025-05-19T14:05:22Z","year":"2025","publication":"Materials Letters","abstract":[{"text":"We developed in-situ engineered polycrystalline polythiophene (PTh) and its composite with reduced graphene oxide (PTh-rGO) via a simple chemical synthesis. The PTh-rGO-based electrodes in a symmetrical device with xanthan gum in 1 M aq. Na2SO4 as an electrolyte, delivers a specific capacitance (Csp) of 114.7 F g–1 (electrode) and 28.7 F g–1 (cell) at an applied current density of 0.2 A g−1. The maximum energy and power densities recorded from the device were 588.0 mWh kg−1 and 1.1 kW kg−1 at 1.5 A g−1. The device exhibited a remarkable retention of Csp of 98.9 % over 10,000 continuous galvanostatic charge–discharge cycles highlighting an excellent performance. Electrochemical impedance spectroscopy analysis emphasizes material’s excellent structural integrity. This is attributed to the crystalline phases present in the matrix.","lang":"eng"}],"language":[{"iso":"eng"}],"oa_version":"None","article_processing_charge":"No","quality_controlled":"1","article_type":"original","intvolume":"       382","volume":382,"status":"public","type":"journal_article","scopus_import":"1","department":[{"_id":"MaIb"}],"isi":1,"article_number":"137869","date_published":"2025-03-01T00:00:00Z","acknowledgement":"This work was partly supported by the Institute of Information & Communications Technology Planning & Evaluation (IITP) grant funded by the Korea government (MSIT) (No.RS-2021-II210077) and Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government (MOTIE)(RS-2024-00398346, ESS BigData-Based O&M and Asset Management Technical Manpower Training)."},{"oa_version":"None","language":[{"iso":"eng"}],"abstract":[{"lang":"eng","text":"We report on synthesis of highly crystalline polythiophene and its application in supercapacitor electrodes. The material exhibits a remarkably stable electrochemical behavior and an excellent device performance. The device delivers an electrode specific capacitance (Csp) of 129.13F g−1, Cell Csp of 32.28F g−1 at 0.5 A/g; energy, and power densities of ∼ 3 Wh kg−1 and 250 W kg -1, respectively at 0.5 A/g. Also, it exhibits an excellent retention of Cell Csp and coulombic efficiency up to ∼ 95 % over 10,000 continuous galvanostatic charge discharge (GCD) cycles indicating a remarkable performance by a standalone, pristine and undoped polythiophene. Electrochemical impedance spectroscopy (EIS) studies further suggest material’s stable capacitive behavior. The material’s enhanced electrochemical properties, stable behavior and outstanding performance in device application are attributed to the crystalline phases present in the polymer matrix achievable via a slow rate of synthesis; overall, an edge over other conventional synthesis methods."}],"article_type":"original","quality_controlled":"1","article_processing_charge":"No","volume":365,"intvolume":"       365","status":"public","type":"journal_article","isi":1,"department":[{"_id":"MaIb"}],"scopus_import":"1","acknowledgement":"This research was supported by the Korea Evaluation Institute of Industrial Technology (No. 200116167, Development of Battery Safety Diagnosis System (BDS) SoC that predicts the internal state, explosion risk, remaining useful life, and replacement timing of electric vehicle batteries).","date_published":"2024-06-15T00:00:00Z","article_number":"136483","date_created":"2024-04-28T22:00:56Z","OA_type":"closed access","day":"15","_id":"15348","publication_status":"published","month":"06","user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","doi":"10.1016/j.matlet.2024.136483","author":[{"full_name":"Mahato, Neelima","last_name":"Mahato","first_name":"Neelima"},{"orcid":"0000-0003-2209-5269","first_name":"Saurabh","last_name":"Singh","full_name":"Singh, Saurabh","id":"12d625da-9cb3-11ed-9667-af09d37d3f0a"},{"full_name":"Sreekanth, T. V.M.","last_name":"Sreekanth","first_name":"T. V.M."},{"first_name":"Kisoo","last_name":"Yoo","full_name":"Yoo, Kisoo"},{"last_name":"Kim","full_name":"Kim, Jonghoon","first_name":"Jonghoon"}],"external_id":{"isi":["001300025600001"]},"citation":{"ieee":"N. Mahato, S. Singh, T. V. M. Sreekanth, K. Yoo, and J. Kim, “In-situ engineered highly crystalline polythiophene empowered electrochemical capacitor-I: Synthesis, characterization, and electrochemical charge storage,” <i>Materials Letters</i>, vol. 365. Elsevier, 2024.","mla":"Mahato, Neelima, et al. “In-Situ Engineered Highly Crystalline Polythiophene Empowered Electrochemical Capacitor-I: Synthesis, Characterization, and Electrochemical Charge Storage.” <i>Materials Letters</i>, vol. 365, 136483, Elsevier, 2024, doi:<a href=\"https://doi.org/10.1016/j.matlet.2024.136483\">10.1016/j.matlet.2024.136483</a>.","apa":"Mahato, N., Singh, S., Sreekanth, T. V. M., Yoo, K., &#38; Kim, J. (2024). In-situ engineered highly crystalline polythiophene empowered electrochemical capacitor-I: Synthesis, characterization, and electrochemical charge storage. <i>Materials Letters</i>. Elsevier. <a href=\"https://doi.org/10.1016/j.matlet.2024.136483\">https://doi.org/10.1016/j.matlet.2024.136483</a>","short":"N. Mahato, S. Singh, T.V.M. Sreekanth, K. Yoo, J. Kim, Materials Letters 365 (2024).","ista":"Mahato N, Singh S, Sreekanth TVM, Yoo K, Kim J. 2024. In-situ engineered highly crystalline polythiophene empowered electrochemical capacitor-I: Synthesis, characterization, and electrochemical charge storage. Materials Letters. 365, 136483.","chicago":"Mahato, Neelima, Saurabh Singh, T. V.M. Sreekanth, Kisoo Yoo, and Jonghoon Kim. “In-Situ Engineered Highly Crystalline Polythiophene Empowered Electrochemical Capacitor-I: Synthesis, Characterization, and Electrochemical Charge Storage.” <i>Materials Letters</i>. Elsevier, 2024. <a href=\"https://doi.org/10.1016/j.matlet.2024.136483\">https://doi.org/10.1016/j.matlet.2024.136483</a>.","ama":"Mahato N, Singh S, Sreekanth TVM, Yoo K, Kim J. In-situ engineered highly crystalline polythiophene empowered electrochemical capacitor-I: Synthesis, characterization, and electrochemical charge storage. <i>Materials Letters</i>. 2024;365. doi:<a href=\"https://doi.org/10.1016/j.matlet.2024.136483\">10.1016/j.matlet.2024.136483</a>"},"title":"In-situ engineered highly crystalline polythiophene empowered electrochemical capacitor-I: Synthesis, characterization, and electrochemical charge storage","publication_identifier":{"issn":["0167-577X"],"eissn":["1873-4979"]},"publication":"Materials Letters","corr_author":"1","year":"2024","publisher":"Elsevier","date_updated":"2025-09-04T13:49:05Z"}]