{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Liu B"],"funding":["State Key Laboratory of New Ceramic and Fine Processing Tsinghua University","National Natural Science Foundation of China"],"pagination":["1625"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8911284"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["15(5)"],"pubmed_abstract":["Defect engineering is one of the effective ways to improve the electrochemical property of electrode materials for lithium-ion batteries (LIB). Herein, an organic functional molecule of p-phenylenediamine is embedded into two-dimensional (2D) layered TiO2 as the electrode for LIB. Then, the 2D carbon/TiO2 composites with the tuning defects are prepared by precise control of the polymerization and carbothermal atmospheres. Low valence titanium in metal oxide and nitrogen-doped carbon nanosheets can be obtained in the carbon/TiO2 composite under a carbonization treatment atmosphere of N2/H2 gas, which can not only increase the electronic conductivity of the material but also provide sufficient electrochemical active sites, thus producing an excellent rate capability and long-term cycle stability. The prepared composite can provide a high capacity of 396.0 mAh g-1 at a current density of 0.1 A g-1 with a high capacitive capacity ratio. Moreover, a high specific capacity of 80.0 mAh g-1 with retention rate of 85% remains after 10,000 cycles at 3.0 A g-1 as well as the Coulomb efficiency close to 100%. The good rate-capability and cycle-sustainability of the layered materials are ascribed to the increase of conductivity, the lithium-ion transport channel, and interfacial capacitance due to the multi-defect sites in the layered composite."],"journal":["Materials (Basel, Switzerland)"],"pubmed_title":["Tuning the Defects of Two-Dimensional Layered Carbon/TiO2 Superlattice Composite for a Fast Lithium-Ion Storage."],"pmcid":["PMC8911284"],"funding_grant_id":["21905282","KFZD202003"],"pubmed_authors":["Gu B","Shen Z","Liu B","Li A","Zhang M","Wang J"],"additional_accession":[]},"is_claimable":false,"name":"Tuning the Defects of Two-Dimensional Layered Carbon/TiO2 Superlattice Composite for a Fast Lithium-Ion Storage.","description":"Defect engineering is one of the effective ways to improve the electrochemical property of electrode materials for lithium-ion batteries (LIB). Herein, an organic functional molecule of p-phenylenediamine is embedded into two-dimensional (2D) layered TiO2 as the electrode for LIB. Then, the 2D carbon/TiO2 composites with the tuning defects are prepared by precise control of the polymerization and carbothermal atmospheres. Low valence titanium in metal oxide and nitrogen-doped carbon nanosheets can be obtained in the carbon/TiO2 composite under a carbonization treatment atmosphere of N2/H2 gas, which can not only increase the electronic conductivity of the material but also provide sufficient electrochemical active sites, thus producing an excellent rate capability and long-term cycle stability. The prepared composite can provide a high capacity of 396.0 mAh g-1 at a current density of 0.1 A g-1 with a high capacitive capacity ratio. Moreover, a high specific capacity of 80.0 mAh g-1 with retention rate of 85% remains after 10,000 cycles at 3.0 A g-1 as well as the Coulomb efficiency close to 100%. The good rate-capability and cycle-sustainability of the layered materials are ascribed to the increase of conductivity, the lithium-ion transport channel, and interfacial capacitance due to the multi-defect sites in the layered composite.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Feb","modification":"2025-04-26T10:13:43.697Z","creation":"2025-04-06T13:16:13.005Z"},"accession":"S-EPMC8911284","cross_references":{"pubmed":["35268856"],"doi":["10.3390/ma15051625"]}}