eprintid: 10196763 rev_number: 6 eprint_status: archive userid: 699 dir: disk0/10/19/67/63 datestamp: 2024-09-10 10:14:34 lastmod: 2024-09-10 10:14:34 status_changed: 2024-09-10 10:14:34 type: article metadata_visibility: show sword_depositor: 699 creators_name: Tan, Lifu creators_name: Kim, Byung-Man creators_name: Pujari, Arvind creators_name: He, Ze creators_name: Boruah, Buddha Deka creators_name: De Volder, Michael title: Photothermal Enhancement of Prussian Blue Cathodes for Li-Ion Batteries ispublished: pub divisions: UCL divisions: B04 divisions: C06 divisions: F62 divisions: ZZN keywords: lithium-ion battery, photothermal enhancement, electrochemical impedance spectroscopy, light-enhanced electrochemical reactions, renewable energy technologies, hybrid energy storage, Prussian blue analogues note: 2024 The Authors. Published by American Chemical Society. This publication is licensed under CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/). abstract: Photoenhanced batteries, where light improves the electrochemical performance of batteries, have gained much interest. Recent reports suggest that light-to-heat conversion can also play an important role. In this work, we study Prussian blue analogues (PBAs), which are known to have a high photothermal heating efficiency and can be used as cathodes for Li-ion batteries. PBAs were synthesized directly on a carbon collector electrode and tested under different thermally controlled conditions to show the effect of photothermal heating on battery performance. Our PBA electrodes reach temperatures that are 14% higher than reference electrodes using a blue LED, and a capacity enhancement of 38% was achieved at a current density of 1600 mA g-1. Additionally, these batteries show excellent cycling stability with a capacity retention of 96.6% in dark conditions and 94.8% in light over 100 cycles. Overall, this work shows new insights into the effects leading to improved battery performance in photobatteries. date: 2024 date_type: published publisher: AMER CHEMICAL SOC official_url: http://dx.doi.org/10.1021/acs.nanolett.4c00752 oa_status: green full_text_type: pub language: eng primo: open primo_central: open_green article_type_text: . verified: verified_manual elements_id: 2299230 doi: 10.1021/acs.nanolett.4c00752 medium: Print-Electronic lyricists_name: Deka Boruah, Buddha lyricists_id: BDEKA68 actors_name: Deka Boruah, Buddha actors_id: BDEKA68 actors_role: owner funding_acknowledgements: CDT EP/L016087/1 [EPSRC Graphene]; MIGHTY - 866005 [ERC Consolidator Grant]; EP/P024947/1 [Henry Royce Institute for Advanced Materials]; EP/R00661X/1 [Henry Royce Institute for Advanced Materials]; EP/S022953/1 [UKRI NanoDTC Cambridge] full_text_status: public publication: Nano Letters volume: 24 number: 30 pagerange: 9147-9154 pages: 8 event_location: United States citation: Tan, Lifu; Kim, Byung-Man; Pujari, Arvind; He, Ze; Boruah, Buddha Deka; De Volder, Michael; (2024) Photothermal Enhancement of Prussian Blue Cathodes for Li-Ion Batteries. Nano Letters , 24 (30) pp. 9147-9154. 10.1021/acs.nanolett.4c00752 <https://doi.org/10.1021/acs.nanolett.4c00752>. Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/10196763/1/Published%20Copy.pdf