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Solid-State Synthesis of Li4Ti5O12 Whiskers from TiO2-B
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- Yao, Wenjun (författare)
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 5 Xin Mofan Road, Nanjing 210009, China
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- Zhuang, Wei (författare)
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 5 Xin Mofan Road, Nanjing 210009, China; College of Biotechnology and Pharmaceutical Engineering, National Engineering Technique Research Center for Biotechnology, Nanjing Tech University, No. 30, Puzhu South Road, Nanjing 211816, China
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- Ji, Xiaoyan (författare)
- Luleå tekniska universitet,Energivetenskap
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- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No 5 Xin Mofan Road, Nanjing 210009, China State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 5 Xin Mofan Road, Nanjing 210009, China; College of Biotechnology and Pharmaceutical Engineering, National Engineering Technique Research Center for Biotechnology, Nanjing Tech University, No. 30, Puzhu South Road, Nanjing 211816, China (creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
- Ingår i: Materials research bulletin. - : Elsevier BV. - 0025-5408 .- 1873-4227. ; 75, s. 204-210
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- In this work, Li4Ti5O12 (LTO) was synthesized from the precursors of TiO2-B and anatase whiskers, respectively. The synthesized LTO whiskers from TiO2-B whiskers via a solid state reaction at 650 °C have a high degree of crystallinity with an average diameter of 300 nm. However, when anatase whiskers were used as the precursor, only particle morphology LTO was produced at 750 °C. The further analysis of the precursors, the intermediate products and the final products reveal that the crystal structure of the anatase hinders the diffusion of lithium, leading to a typical reaction-diffusion process. Under this condition, only particle morphology LTO can be produced. However, the crystal structure of the TiO2-B is easy for lithium diffusion and the process is performed in two separated steps (i.e. diffusion and reaction), which makes it possible to decrease the solid-state reaction temperature down to 650 °C and then maintain the morphologies of whiskers.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Energiteknik
- Energy Engineering
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- Yao, Wenjun
- Zhuang, Wei
- Ji, Xiaoyan
- Chen, Jingjing
- Lu, Xiaohua
- Wang, Changsong
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