Zn<italic style="font-style: italic">x</italic>Co1<italic style="font-style: italic">-x</italic>CO3碳酸盐负极材料的制备及其电化学性能研究

李敬; 杜刚; 殷娟娟

doi:10.11949/0438-1157.20191448

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Zn_xCo₁_-xCO₃碳酸盐负极材料的制备及其电化学性能研究

材料化学工程与纳米技术 | 更新时间：2020-06-24

- Zn_xCo₁_-xCO₃碳酸盐负极材料的制备及其电化学性能研究
- Preparation and electrochemical properties of Zn_xCo₁_-xCO₃ carbonateanode materials
- 化工学报 2020年71卷第3期页码：1390-1397
- 作者机构：
  
  四川新锂想能源科技有限责任公司，四川遂宁 629200，清华大学深圳国际研究生院，广东深圳 518055
- 作者简介：
  
  李敬（1984—），男，博士，高级工程师，lijing_com@163.com
  殷娟娟（1989—），女，硕士，工程师，cady1026@163.com
- 基金信息：
- DOI：10.11949/0438-1157.20191448
  中图分类号： O
- 收稿：2019-11-28，
  
  修回：2020-01-06，
  
  纸质出版：2020-03-05
- 稿件说明：
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李敬, 杜刚, 殷娟娟. Zn_xCo₁_-xCO₃碳酸盐负极材料的制备及其电化学性能研究[J]. 化工学报, 2020, 71(3): 1390-1397 DOI: 10.11949/0438-1157.20191448.

LI Jing， DU Gang， YIN Juanjuan. Preparation and electrochemical properties of Zn_xCo_1-_xCO₃ carbonate anode materials[J]. CIESC Journal, 2020, 71(3): 1390-1397 DOI: 10.11949/0438-1157.20191448.
李敬, 杜刚, 殷娟娟. Zn_xCo₁_-xCO₃碳酸盐负极材料的制备及其电化学性能研究[J]. 化工学报, 2020, 71(3): 1390-1397 DOI: 10.11949/0438-1157.20191448. DOI：

LI Jing， DU Gang， YIN Juanjuan. Preparation and electrochemical properties of Zn_xCo_1-_xCO₃ carbonate anode materials[J]. CIESC Journal, 2020, 71(3): 1390-1397 DOI: 10.11949/0438-1157.20191448. DOI：

摘要

碳酸钴是一类典型的转换型负极锂电池材料，具有资源丰富、比容量高、安全可靠等优点，但是存在一些尚未解决的问题，例如导电性比较差，同时在锂离子的嵌入和脱出过程中体积变化严重。通过水热法制备了不同组分Zn掺杂Zn

-x

(

=0.12

0.3

0.5)，通过调整Zn和Co原材料质量来控制Zn/Co的摩尔比，研究表明当Zn和Co的摩尔比为0.3∶0.7时，掺杂产物有良好的循环和倍率性能，锌离子的掺杂提高了锂离子电导率，对Zn

-x

(

=0.12

0.3

0.5)研究表明其在充放电过程中既有合金反应又有转换反应，提高了整个电极的导电性，进而表现出优异的电化学性能。

Abstract

Cobalt carbonate is a typical type of conversion anode lithium battery material

with rich resources

high capacity

safe and reliable and other advantages

but there are some unresolved problems

such as poor conductivity

at the same time in the lithium ion embedding and excitability process of serious volume changes. In this paper

the different components of Zn doped Zn

by hydrothermal method

by adjusting the quality of Zn and Co raw materials to control the molar ratio of Zn/Co

the study shows that when molar ratio of Zn and Co is 0.3∶0.7

doping products have good cycle and multiplier performance

zinc ion doping lithium ion conductivity. The study of Zn

-x

(

=0.12

0.3

0.5) showed that it had both an alloy and a conversion reaction during charging and discharging process

which improves the conductivity of the whole electrode and then exhibits excellent electrochemical properties.

关键词

Keywords

references

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ZnxCo1-xCO3碳酸盐负极材料的制备及其电化学性能研究

Preparation and electrochemical properties of ZnxCo1-xCO3 carbonateanode materials

DOI：10.11949/0438-1157.20191448

摘要

Abstract

关键词

Keywords

references

Zn_xCo₁_-xCO₃碳酸盐负极材料的制备及其电化学性能研究

Preparation and electrochemical properties of Zn_xCo₁_-xCO₃ carbonateanode materials