Co-Sn Nanocrystalline Solid Solutions as Anode Materials in Lithium-Ion Batteries with High Pseudocapacitive Contribution

Li Junshan; Xu Xijun; Luo Zhishan; Zhang Chaoqi; Zuo Yong; Zhang Ting; Tang Pengyi; Infante-Carrio Maria F.; Arbiol Jordi; Llorca Jordi; Liu Jun; Cabot Andreu

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Co-Sn Nanocrystalline Solid Solutions as Anode Materials in Lithium-Ion Batteries with High Pseudocapacitive Contribution

机译：CO-SN纳米晶固体溶液作为锂离子电池中的阳极材料，具有高假偶联贡献

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Co-Sn solid-solution nanoparticles with Sn crystal structure and tuned metal ratios were synthesized by a facile one pot solution-based procedure involving the initial reduction of a Sn precursor followed by incorporation of Co within the Sn lattice. These nanoparticles were used as anode materials for Li-ion batteries. Among the different compositions tested, Co0.7Sn and Co0.9Sn electrodes provided the highest capacities with values above 1500mAhg(-1) at a current density of 0.2Ag(-1) after 220cycles, and up to 800mAhg(-1) at 1.0Ag(-1) after 400cycles. Up to 81% pseudocapacitance contribution was measured for these electrodes at a sweep rate of 1.0mVs(-1), thereby indicating fast kinetics and long durability. The excellent performance of Co-Sn nanoparticle alloy-based electrodes was attributed to both the small size of the crystal domains and their suitable composition, which buffered volume changes of Sn and contributed to a suitable electrode restructuration.

机译：通过涉及Sn前体的初始减少的基于Sn晶体结构和调节金属比的Co-Sn固溶纳米颗粒，其基于罐溶液的过程合成。将这些纳米颗粒用作锂离子电池的阳极材料。在测试的不同组合物中，COO.7SN和COO.9SN电极提供的最高容量在220℃下电流密度为0.2Ag（-1）的值高于1500mAhg（-1），并且在1.0时高达800mAhg（-1） 400cycles后的AG（-1）。以1.0mV（-1）的扫描速率为这些电极测量高达81％的假偶数贡献，从而表明快速动力学和长久的耐用性。 Co-Sn纳米粒子合金基电极的优异性能归因于晶体结构域的小尺寸及其合适的组合物，其缓冲Sn的体积变化并有助于合适的电极重构。

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来源
《ChemSusChem》 |2019年第7期|共8页
作者
Li Junshan; Xu Xijun; Luo Zhishan; Zhang Chaoqi; Zuo Yong; Zhang Ting; Tang Pengyi; Infante-Carrio Maria F.; Arbiol Jordi; Llorca Jordi; Liu Jun; Cabot Andreu;
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作者单位

IREC Catalonia Inst Energy Res Barcelona 08930 Spain;

South China Univ Technol Sch Mat Sci &

Engn Guangdong Prov Key Lab Adv Energy Storage Mat Guangzhou 510641 Guangdong Peoples R China;

IREC Catalonia Inst Energy Res Barcelona 08930 Spain;

IREC Catalonia Inst Energy Res Barcelona 08930 Spain;

IREC Catalonia Inst Energy Res Barcelona 08930 Spain;

CSIC Catalan Inst Nanosci &

Nanotechnol ICN2 Campus UAB Barcelona 08193 Spain;

CSIC Catalan Inst Nanosci &

Nanotechnol ICN2 Campus UAB Barcelona 08193 Spain;

CSIC Catalan Inst Nanosci &

Nanotechnol ICN2 Campus UAB Barcelona 08193 Spain;

CSIC Catalan Inst Nanosci &

Nanotechnol ICN2 Campus UAB Barcelona 08193 Spain;

Univ Politecn Cataluna EEBE Dept Chem Engn Inst Energy Technol Barcelona 08019 Spain;

South China Univ Technol Sch Mat Sci &

Engn Guangdong Prov Key Lab Adv Energy Storage Mat Guangzhou 510641 Guangdong Peoples R China;

IREC Catalonia Inst Energy Res Barcelona 08930 Spain;

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原文格式 PDF
正文语种 eng
中图分类化学;
关键词
anode; bimetallic nanoparticles; colloidal; lithium-ion batteries; solid solutions;

机译：阳极;双金属纳米粒子;胶体;锂离子电池;固体溶液;

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1. Co-Sn Nanocrystalline Solid Solutions as Anode Materials in Lithium-Ion Batteries with High Pseudocapacitive Contribution [J] . Li Junshan, Xu Xijun, Luo Zhishan, ChemSusChem . 2019,第7期

机译：CO-SN纳米晶固体溶液作为锂离子电池中的阳极材料，具有高假偶联贡献
2. Conductive Polypyrrole Coated Hollow NiCo2O4 Microspheres as Anode Material with Improved Pseudocapacitive Contribution and Enhanced Conductivity for Lithium-Ion Batteries [J] . Luo Yani, Guo Ruisong, Li Tingting, ChemElectroChem . 2019,第3期

机译：导电聚吡咯涂覆的空心NicO2O4微球作为阳极材料，具有改善的假偶联贡献和增强锂离子电池的电导率
3. Dominant pseudocapacitive lithium storage in the carbon-coated ferric oxide nanoparticles (Fe_2O_3@C) towards anode materials for lithium-ion batteries [J] . International journal of hydrogen energy . 2020,第15期

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4. Ti_xSn_(1-x)O_3 Solid Solution Nano Particles as Anode Material for Lithium-ion Batteries [C] . Jing-xing Zhang, Dong-lin Zhao, Yang-yang Zhu China National Conference on Functional Materials and Applications . 2014

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Co-Sn Nanocrystalline Solid Solutions as Anode Materials in Lithium-Ion Batteries with High Pseudocapacitive Contribution

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