eprintid: 1472593 rev_number: 26 eprint_status: archive userid: 608 dir: disk0/01/47/25/93 datestamp: 2015-11-16 12:11:44 lastmod: 2021-09-19 23:28:05 status_changed: 2015-11-16 12:11:44 type: article metadata_visibility: show creators_name: Luebke, M creators_name: Johnson, I creators_name: Makwana, NM creators_name: Brett, D creators_name: Shearing, P creators_name: Liu, Z creators_name: Darr, JA title: High power TiO2 and high capacity Sn-doped TiO2 nanomaterial anodes for lithium-ion batteries ispublished: pub divisions: UCL divisions: B04 divisions: C05 divisions: F43 divisions: C06 divisions: F56 keywords: Tin doped titania, Continuous hydrothermal flow synthesis, Lithium ion battery, Anatase, Anode, High power note: © 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). abstract: A range of phase-pure anatase TiO2 (∼5 nm) and Sn-doped TiO2 nanoparticles with the formula Ti1-xSnxO2 (where x = 0, 0.06, 0.11 and 0.15) were synthesized using a continuous hydrothermal flow synthesis (CHFS) reactor. Charge/discharge cycling tests were carried out in two different potential ranges of 3 to 1 V and also a wider range of 3 to 0.05 V vs Li/Li+. In the narrower potential range, the undoped TiO2 nanoparticles display superior electrochemical performance to all the Sn-doped titania crystallites. In the wider potential range, the Sn-doped samples perform better than undoped TiO2. The sample with composition Ti0.85Sn0.15O2, shows a capacity of ca. 350 mAh g−1 at an applied constant current of 100 mA g−1 and a capacity of 192.3 mAh g−1 at a current rate of 1500 mA g−1. After 500 charge/discharge cycles (at a high constant current rate of 382 mA g−1), the same nanomaterial anode retains a relatively high specific capacity of 240 mAh g−1. The performance of these nanomaterials is notable, particularly as they are processed into electrodes, directly from the CHFS process (after drying) without any post-synthesis heat-treatment, and they are made without any conductive surface coating. date: 2015-10-30 date_type: published official_url: http://dx.doi.org/10.1016/j.jpowsour.2015.06.039 oa_status: green full_text_type: pub language: eng primo: open primo_central: open_green verified: verified_manual elements_id: 1042749 doi: 10.1016/j.jpowsour.2015.06.039 lyricists_name: Brett, Daniel lyricists_name: Darr, Jawwad lyricists_name: Johnson, Ian lyricists_name: Makwana, Neel lyricists_name: Shearing, Paul lyricists_id: DBRET49 lyricists_id: JDARR17 lyricists_id: IDJOH31 lyricists_id: NMAKW80 lyricists_id: PSHEA33 actors_name: Darr, Jawwad actors_name: Barczynska, Patrycja actors_id: JDARR17 actors_id: PBARC91 actors_role: owner actors_role: impersonator full_text_status: public publication: Journal of Power Sources volume: 294 pagerange: 94-102 issn: 0378-7753 citation: Luebke, M; Johnson, I; Makwana, NM; Brett, D; Shearing, P; Liu, Z; Darr, JA; (2015) High power TiO2 and high capacity Sn-doped TiO2 nanomaterial anodes for lithium-ion batteries. Journal of Power Sources , 294 pp. 94-102. 10.1016/j.jpowsour.2015.06.039 <https://doi.org/10.1016/j.jpowsour.2015.06.039>. Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/1472593/1/1-s2.0-S0378775315010733-main.pdf