{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Guo M"],"funding":["Fundamental Research Funds for the Central Universities","Sichuan University-Zigong Special Fund for University-Local Science and Technology Cooperation","Sichuan Science and Technology Program"],"pagination":["e2207355"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10161069"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["10(13)"],"pubmed_abstract":["Low-contents/absence of non-electrochemical activity binders, conductive additives, and current collectors are a concern for improving lithium-ion batteries' fast charging/discharging performance and developing free-standing electrodes in the aspects of flexible/wearable electronic devices. Herein, a simple yet powerful fabricating method for the massive production of mono-dispersed ultra-long single-walled carbon nanotubes (SWCNTs) in N-methyl-2-pyrrolidone solution, benefiting from the electrostatic dipole interaction and steric hindrance of dispersant molecules, is reported. These SWCNTs form a highly efficient conductive network to firmly fix LiFePO<sub>4</sub>  (LFP) particles in the electrode at low contents of 0.5 wt% as conductive additives. The binder-free LFP/SWCNT cathode delivers a superior rate capacity of 161.5 mAh g<sup>-1</sup> at 0.5 C and 130.2 mAh g<sup>-1</sup> at 5 C, with a high-rate capacity retention of 87.4% after 200 cycles at 2 C. The self-supporting LFP/SWCNT cathode shows excellent mechanical properties, which can withstand at least 7.2 MPa stress and 5% strain, allowing the fabrication of high mass loading electrodes with thicknesses up to 39.1 mg cm<sup>-2</sup> . Such self-supporting electrodes display conductivities up to 1197 S m<sup>-1</sup> and low charge-transfer resistance of 40.53 Ω, allowing fast charge delivery and enabling near-theoretical specific capacities."],"journal":["Advanced science (Weinheim, Baden-Wurttemberg, Germany)"],"pubmed_title":["Preparation of Tough, Binder-Free, and Self-Supporting LiFePO<sub>4</sub> Cathode by Using Mono-Dispersed Ultra-Long Single-Walled Carbon Nanotubes for High-Rate Performance Li-Ion Battery."],"pmcid":["PMC10161069"],"funding_grant_id":["2020CDZG-2","2020YFH0104","YJ201952","20826041E4280"],"pubmed_authors":["Guo M","Liu Y","Ni Y","Cao Z","Terrones M","Chen X","Wang Y"],"additional_accession":[]},"is_claimable":false,"name":"Preparation of Tough, Binder-Free, and Self-Supporting LiFePO<sub>4</sub> Cathode by Using Mono-Dispersed Ultra-Long Single-Walled Carbon Nanotubes for High-Rate Performance Li-Ion Battery.","description":"Low-contents/absence of non-electrochemical activity binders, conductive additives, and current collectors are a concern for improving lithium-ion batteries' fast charging/discharging performance and developing free-standing electrodes in the aspects of flexible/wearable electronic devices. Herein, a simple yet powerful fabricating method for the massive production of mono-dispersed ultra-long single-walled carbon nanotubes (SWCNTs) in N-methyl-2-pyrrolidone solution, benefiting from the electrostatic dipole interaction and steric hindrance of dispersant molecules, is reported. These SWCNTs form a highly efficient conductive network to firmly fix LiFePO<sub>4</sub>  (LFP) particles in the electrode at low contents of 0.5 wt% as conductive additives. The binder-free LFP/SWCNT cathode delivers a superior rate capacity of 161.5 mAh g<sup>-1</sup> at 0.5 C and 130.2 mAh g<sup>-1</sup> at 5 C, with a high-rate capacity retention of 87.4% after 200 cycles at 2 C. The self-supporting LFP/SWCNT cathode shows excellent mechanical properties, which can withstand at least 7.2 MPa stress and 5% strain, allowing the fabrication of high mass loading electrodes with thicknesses up to 39.1 mg cm<sup>-2</sup> . Such self-supporting electrodes display conductivities up to 1197 S m<sup>-1</sup> and low charge-transfer resistance of 40.53 Ω, allowing fast charge delivery and enabling near-theoretical specific capacities.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 May","modification":"2025-04-26T14:31:26.994Z","creation":"2025-04-06T14:35:08.813Z"},"accession":"S-EPMC10161069","cross_references":{"pubmed":["36905241"],"doi":["10.1002/advs.202207355"]}}