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Storage of Lithium-Ion by Phase Engineered MoO3 Homojunctions
With high theoretical specific capacity, the low-cost MoO3 is known to be a promising anode for lithium-ion batteries. However, low electronic conductivity and sluggish reaction kinetics have limited its ability for lithium ion storage. To improve this, the phase engineering approach is used to fabr...
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| Published in: | Nanomaterials (Basel, Switzerland) Switzerland), 2022-10, Vol.12 (21), p.3762 |
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| container_issue | 21 |
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| container_title | Nanomaterials (Basel, Switzerland) |
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| creator | Ng, Dickon H. L. Li, Sheng Li, Jun Huang, Jinning Cui, Yingxue Lian, Jiabiao Wang, Chuan |
| description | With high theoretical specific capacity, the low-cost MoO3 is known to be a promising anode for lithium-ion batteries. However, low electronic conductivity and sluggish reaction kinetics have limited its ability for lithium ion storage. To improve this, the phase engineering approach is used to fabricate orthorhombic/monoclinic MoO3 (α/h-MoO3) homojunctions. The α/h-MoO3 is found to have excessive hetero-phase interface. This not only creates more active sites in the MoO3 for Li+ storage, it regulates local coordination environment and electronic structure, thus inducing a built-in electric field for boosting electron/ion transport. In using α/h-MoO3, higher capacity (1094 mAh g−1 at 0.1 A g−1) and rate performance (406 mAh g−1 at 5.0 A g−1) are obtained than when using only the single phase h-MoO3 or α-MoO3. This work provides an option to use α/h-MoO3 hetero-phase homojunction in LIBs. |
| doi_str_mv | 10.3390/nano12213762 |
| format | article |
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L. ; Li, Sheng ; Li, Jun ; Huang, Jinning ; Cui, Yingxue ; Lian, Jiabiao ; Wang, Chuan</creator><creatorcontrib>Ng, Dickon H. L. ; Li, Sheng ; Li, Jun ; Huang, Jinning ; Cui, Yingxue ; Lian, Jiabiao ; Wang, Chuan</creatorcontrib><description>With high theoretical specific capacity, the low-cost MoO3 is known to be a promising anode for lithium-ion batteries. However, low electronic conductivity and sluggish reaction kinetics have limited its ability for lithium ion storage. To improve this, the phase engineering approach is used to fabricate orthorhombic/monoclinic MoO3 (α/h-MoO3) homojunctions. The α/h-MoO3 is found to have excessive hetero-phase interface. This not only creates more active sites in the MoO3 for Li+ storage, it regulates local coordination environment and electronic structure, thus inducing a built-in electric field for boosting electron/ion transport. In using α/h-MoO3, higher capacity (1094 mAh g−1 at 0.1 A g−1) and rate performance (406 mAh g−1 at 5.0 A g−1) are obtained than when using only the single phase h-MoO3 or α-MoO3. This work provides an option to use α/h-MoO3 hetero-phase homojunction in LIBs.</description><identifier>ISSN: 2079-4991</identifier><identifier>EISSN: 2079-4991</identifier><identifier>DOI: 10.3390/nano12213762</identifier><identifier>PMID: 36364541</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>anode materials ; Electric fields ; Electrodes ; Electrolytes ; Electronic structure ; Homojunctions ; Ion storage ; Ion transport ; Lithium ; Lithium-ion batteries ; lithium-ion storage ; Molybdenum trioxide ; Morphology ; phase engineering ; Reaction kinetics ; Rechargeable batteries ; Specific capacity ; Spectrum analysis ; Voltammetry</subject><ispartof>Nanomaterials (Basel, Switzerland), 2022-10, Vol.12 (21), p.3762</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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This not only creates more active sites in the MoO3 for Li+ storage, it regulates local coordination environment and electronic structure, thus inducing a built-in electric field for boosting electron/ion transport. In using α/h-MoO3, higher capacity (1094 mAh g−1 at 0.1 A g−1) and rate performance (406 mAh g−1 at 5.0 A g−1) are obtained than when using only the single phase h-MoO3 or α-MoO3. 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L.</au><au>Li, Sheng</au><au>Li, Jun</au><au>Huang, Jinning</au><au>Cui, Yingxue</au><au>Lian, Jiabiao</au><au>Wang, Chuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Storage of Lithium-Ion by Phase Engineered MoO3 Homojunctions</atitle><jtitle>Nanomaterials (Basel, Switzerland)</jtitle><date>2022-10-26</date><risdate>2022</risdate><volume>12</volume><issue>21</issue><spage>3762</spage><pages>3762-</pages><issn>2079-4991</issn><eissn>2079-4991</eissn><abstract>With high theoretical specific capacity, the low-cost MoO3 is known to be a promising anode for lithium-ion batteries. However, low electronic conductivity and sluggish reaction kinetics have limited its ability for lithium ion storage. To improve this, the phase engineering approach is used to fabricate orthorhombic/monoclinic MoO3 (α/h-MoO3) homojunctions. The α/h-MoO3 is found to have excessive hetero-phase interface. This not only creates more active sites in the MoO3 for Li+ storage, it regulates local coordination environment and electronic structure, thus inducing a built-in electric field for boosting electron/ion transport. In using α/h-MoO3, higher capacity (1094 mAh g−1 at 0.1 A g−1) and rate performance (406 mAh g−1 at 5.0 A g−1) are obtained than when using only the single phase h-MoO3 or α-MoO3. This work provides an option to use α/h-MoO3 hetero-phase homojunction in LIBs.</abstract><cop>Basel</cop><pub>MDPI AG</pub><pmid>36364541</pmid><doi>10.3390/nano12213762</doi><orcidid>https://orcid.org/0000-0002-2546-1300</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | anode materials Electric fields Electrodes Electrolytes Electronic structure Homojunctions Ion storage Ion transport Lithium Lithium-ion batteries lithium-ion storage Molybdenum trioxide Morphology phase engineering Reaction kinetics Rechargeable batteries Specific capacity Spectrum analysis Voltammetry |
| title | Storage of Lithium-Ion by Phase Engineered MoO3 Homojunctions |
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