All-Electrochem-Active Thick Electrode with Dual-Continuous TiO2-Carbon Integrated Skeletons for Low-Temperature Lithium Storage
文献类型：期刊论文
| 作者 | Feng, Dan; Geng, Haitao; Li, Wenbiao; Zheng, Shumin; Wang, Bao |
| 刊名 | ACS MATERIALS LETTERS
 |
| 出版日期 | 2022-11-15 |
| 页码 | 10 |
| DOI | 10.1021/acsmaterialslett.2c00968 |
| 英文摘要 | Newly designed all-electrochem-active thick electrode (similar to 500 mu m) with dual-continuous integrated skeletons of defective rutile-anatase TiO2 (D-R-A-TiO2) heterojunctions and carbon have been introduced to enhance efficient electron- ion transport for high-rate energy storage, which provides a new idea for low-temperature lithium storage. For the first time, we anneal anatase TiO2 integrated carbon under CO2 atmosphere for converting anatase to rutile and activating carbon simultaneously, to fabricate freestanding all-electrochem-active thick electrode. The D-R-A-TiO2 heterojunctions contain a type II staggered band alignment, which significantly induce highly localized electrons and lower the migration barrier of ions. The continuous D-R-A-TiO2 heterojunctions form synergistically advantageous electronic networks, and the thick electrode (up to 60.97 mg cm-2) delivers outstanding areal capacity (14.14 mAh cm-2 at 0.61 mA cm-2) under 30 degrees C. The areal capacity is 8.62 mAh cm-2 at 0.57 mA cm-2 under -10 degrees C. When the temperature drops to -20 degrees C, the areal capacity still delivers 4.92 mAh cm-2 at 0.57 mA cm-2. And the D-R-A-TiO2 electrode still delivers 3.2 mAh cm-2 capacity after 70 cycles at 0.57 mA cm-2 under -20 degrees C. |
| WOS关键词 | FLUID-SOLID REACTIONS ; RANDOM PORE MODEL ; HIGH AREAL ; NEGATIVE ELECTRODE ; TIO2 NANOSHEETS ; ANATASE TIO2 ; ION ; RUTILE ; ANODE ; PARTICLES |
| 资助项目 | National Natural Science Foundation of China ; [52172250] |
| WOS研究方向 | Materials Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000885960000001 |
| 出版者 | AMER CHEMICAL SOC |
| 资助机构 | National Natural Science Foundation of China |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/55685]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Zheng, Shumin; Wang, Bao |
| 作者单位 | Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Feng, Dan,Geng, Haitao,Li, Wenbiao,et al. All-Electrochem-Active Thick Electrode with Dual-Continuous TiO2-Carbon Integrated Skeletons for Low-Temperature Lithium Storage[J]. ACS MATERIALS LETTERS,2022:10. |
| APA | Feng, Dan,Geng, Haitao,Li, Wenbiao,Zheng, Shumin,&Wang, Bao.(2022).All-Electrochem-Active Thick Electrode with Dual-Continuous TiO2-Carbon Integrated Skeletons for Low-Temperature Lithium Storage.ACS MATERIALS LETTERS,10. |
| MLA | Feng, Dan,et al."All-Electrochem-Active Thick Electrode with Dual-Continuous TiO2-Carbon Integrated Skeletons for Low-Temperature Lithium Storage".ACS MATERIALS LETTERS (2022):10. |
入库方式： OAI收割
来源：过程工程研究所
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