Low-cost and environmentally friendly synthesis of an Al3+ and Mn4+ co-doped Li4Ti5O12 composite with carbon quantum dots as an anode for lithium-ion batteries

Nan Hui; Zhang Yiming; Wei Haomin; Chen Huiyuan; Xue Caihong; Yang Guijun; Zou Shuai; Wang Gang; Lin Hong

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Low-cost and environmentally friendly synthesis of an Al3+ and Mn4+ co-doped Li4Ti5O12 composite with carbon quantum dots as an anode for lithium-ion batteries

机译：用碳量子点作为锂离子电池的碳量子点的低成本和环保合成Al3 +和Mn4 +共掺杂Li4Ti5O12复合材料

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To increase the specific capacity and conductivity of lithium titanate (LTO), low-cost and environmentally friendly carbon quantum dots (CQDs) were used to composite with Al3+ and Mn4+ co-doped Li4Ti5O12 (LTO-Al/Mn) to improve its electrical properties. The Al3+ and Mn4+ were successfully substituted for Ti located at (16d) sites in the LTO and the CQDs formed a composite with LTO-Al/Mn. The specific capacity of the first cycle at 0.1C increased to 296.5 mA h g(-1), and the impedance decreased to 16.8 omega. The specific capacity maintained 236.0 mA h g(-1) after 100 cycles.

机译：为了提高钛酸锂（LTO）的具体容量和导电性，使用低成本和环保的碳量子点（CQDS）与Al3 +和Mn4 +共掺杂的Li4Ti5O12（LTO-Al / Mn）复合，以改善其电性能。 Al 3 +和Mn4 +已成功取代于LTO（16d）位点的Ti，CQD与LTO-Al / Mn形成复合材料。第一个循环在0.1℃下的比容量增加到296.5 mA H（-1），阻抗降至16.8ω。在100次循环后，具体容量保持236.0mA H g（-1）。

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来源
《RSC Advances》 |2019年第38期|共5页
作者
Nan Hui; Zhang Yiming; Wei Haomin; Chen Huiyuan; Xue Caihong; Yang Guijun; Zou Shuai; Wang Gang; Lin Hong;
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作者单位

Qingdao Univ Xining 810016 Qinghai Peoples R China;

Qingdao Univ Xining 810016 Qinghai Peoples R China;

Qingdao Univ Xining 810016 Qinghai Peoples R China;

Qingdao Univ Xining 810016 Qinghai Peoples R China;

Qingdao Univ Xining 810016 Qinghai Peoples R China;

Qingdao Univ Xining 810016 Qinghai Peoples R China;

Qingdao Univ Xining 810016 Qinghai Peoples R China;

Qinghai Natl Univ Xining 810007 Qinghai Peoples R China;

Tsinghua Univ Beijing 100084 Peoples R China;

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正文语种 eng
中图分类化学;
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1. Low-cost and environmentally friendly synthesis of an Al3+ and Mn4+ co-doped Li4Ti5O12 composite with carbon quantum dots as an anode for lithium-ion batteries [J] . Nan Hui, Zhang Yiming, Wei Haomin, RSC Advances . 2019,第38期

机译：用碳量子点作为锂离子电池的碳量子点的低成本和环保合成Al3 +和Mn4 +共掺杂Li4Ti5O12复合材料
2. Nano-structure and characterization of carbon composite with Al3+ and Mn4+ co-doped Li4Ti5O12 as anodes for Li-ion batteries [J] . Zou Shuai, Wang Gang, Zhang Yiming, Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2020,第期

机译：纳米结构及碳复合材料用Al3 +和Mn4 +共掺杂Li4Ti5012作为锂离子电池的阳极
3. Facile synthesis of Mo_2N quantum dots embedded N-doped carbon nanosheets composite as advanced anode materials for lithium-ion batteries [J] . Yi Hong, Huang Yu, Sha Zhoucheng, Materials Letters . 2020,第Octa1期

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4. Synthesis and Characterization of Ca-doped Li4Ti5O12 Using CaCO3 from Chicken Eggshell as a Dopant for Lithium-Ion Battery Anode Material [C] . B Priyono, D K Ibrahimi, A Z Syahrial International Conference on Design and Application of Engineering Materials . 2019

机译：用CaCO3从鸡蛋壳中使用Ca-掺杂Li4Ti5O12的合成与表征作为锂离子电池阳极材料的掺杂剂
5. Fabrication of Silicon-Carbon Nanocomposites via Electrospinning and Electrospraying Processes for the Next Generation of High-Rate Lithium-Ion Battery Anodes [D] . Shoorideh, Ghazal. 2019

机译：通过静电纺丝和电喷雾工艺制备硅碳纳米复合材料，用于下一代高速率锂离子电池阳极
6. Spherical Li4Ti5O12/NiO Composite With Enhanced Capacity and Rate Performance as Anode Material for Lithium-Ion Batteries [O] . Jiequn Liu, Shengkui Zhong, Qingrong Chen, 2020

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机译：碳涂层尖晶石Li4Ti5O12 /润润-TiO2复合材料的构成为具有LiFepo4掺杂碳阴极的全锂离子电池中的改进阳极材料
8. Carbon Cryogel and Carbon Paper-Based Silicon Composite Anode Materials for Lithium-Ion Batteries. [R] . Woodworth, J., Baldwin, R., Bennett, W. 2010

机译：用于锂离子电池的碳冷凝胶和碳基纸硅复合阳极材料。

Low-cost and environmentally friendly synthesis of an Al3+ and Mn4+ co-doped Li4Ti5O12 composite with carbon quantum dots as an anode for lithium-ion batteries

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