Sn restriction and Li2S reversible properties of novel sandwiched SnSgraphene hollow-sphere architecture for lithium storage
Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in whic...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wang, Zhixuan [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch - Zhang, Lei ELSEVIER, 2018, the journal of the International Society of Electrochemistry (ISE), New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:345 ; year:2020 ; day:10 ; month:06 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.electacta.2020.136154 |
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ELV050148397 |
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| 245 | 1 | 3 | |a Sn restriction and Li2S reversible properties of novel sandwiched SnSgraphene hollow-sphere architecture for lithium storage |
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| 520 | |a Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. | ||
| 520 | |a Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. | ||
| 650 | 7 | |a Sandwiched hollow-sphere architecture |2 Elsevier | |
| 650 | 7 | |a Polysulfides shuttle |2 Elsevier | |
| 650 | 7 | |a Conversion reaction |2 Elsevier | |
| 650 | 7 | |a Spherical graphene |2 Elsevier | |
| 650 | 7 | |a Tin sulfide |2 Elsevier | |
| 650 | 7 | |a Tin aggregation |2 Elsevier | |
| 700 | 1 | |a Jiang, Yong |4 oth | |
| 700 | 1 | |a Ma, Wencheng |4 oth | |
| 700 | 1 | |a Han, Mingrui |4 oth | |
| 700 | 1 | |a Lu, Jie |4 oth | |
| 700 | 1 | |a Huang, Shoushuang |4 oth | |
| 700 | 1 | |a Chen, Zhiwen |4 oth | |
| 700 | 1 | |a Zhao, Bing |4 oth | |
| 700 | 1 | |a Zhang, Jiujun |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Zhang, Lei ELSEVIER |t Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch |d 2018 |d the journal of the International Society of Electrochemistry (ISE) |g New York, NY [u.a.] |w (DE-627)ELV001212419 |
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10.1016/j.electacta.2020.136154 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000995.pica (DE-627)ELV050148397 (ELSEVIER)S0013-4686(20)30546-6 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Wang, Zhixuan verfasserin aut Sn restriction and Li2S reversible properties of novel sandwiched SnSgraphene hollow-sphere architecture for lithium storage 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Sandwiched hollow-sphere architecture Elsevier Polysulfides shuttle Elsevier Conversion reaction Elsevier Spherical graphene Elsevier Tin sulfide Elsevier Tin aggregation Elsevier Jiang, Yong oth Ma, Wencheng oth Han, Mingrui oth Lu, Jie oth Huang, Shoushuang oth Chen, Zhiwen oth Zhao, Bing oth Zhang, Jiujun oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:345 year:2020 day:10 month:06 pages:0 https://doi.org/10.1016/j.electacta.2020.136154 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 345 2020 10 0610 0 |
| spelling |
10.1016/j.electacta.2020.136154 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000995.pica (DE-627)ELV050148397 (ELSEVIER)S0013-4686(20)30546-6 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Wang, Zhixuan verfasserin aut Sn restriction and Li2S reversible properties of novel sandwiched SnSgraphene hollow-sphere architecture for lithium storage 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Sandwiched hollow-sphere architecture Elsevier Polysulfides shuttle Elsevier Conversion reaction Elsevier Spherical graphene Elsevier Tin sulfide Elsevier Tin aggregation Elsevier Jiang, Yong oth Ma, Wencheng oth Han, Mingrui oth Lu, Jie oth Huang, Shoushuang oth Chen, Zhiwen oth Zhao, Bing oth Zhang, Jiujun oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:345 year:2020 day:10 month:06 pages:0 https://doi.org/10.1016/j.electacta.2020.136154 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 345 2020 10 0610 0 |
| allfields_unstemmed |
10.1016/j.electacta.2020.136154 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000995.pica (DE-627)ELV050148397 (ELSEVIER)S0013-4686(20)30546-6 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Wang, Zhixuan verfasserin aut Sn restriction and Li2S reversible properties of novel sandwiched SnSgraphene hollow-sphere architecture for lithium storage 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Sandwiched hollow-sphere architecture Elsevier Polysulfides shuttle Elsevier Conversion reaction Elsevier Spherical graphene Elsevier Tin sulfide Elsevier Tin aggregation Elsevier Jiang, Yong oth Ma, Wencheng oth Han, Mingrui oth Lu, Jie oth Huang, Shoushuang oth Chen, Zhiwen oth Zhao, Bing oth Zhang, Jiujun oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:345 year:2020 day:10 month:06 pages:0 https://doi.org/10.1016/j.electacta.2020.136154 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 345 2020 10 0610 0 |
| allfieldsGer |
10.1016/j.electacta.2020.136154 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000995.pica (DE-627)ELV050148397 (ELSEVIER)S0013-4686(20)30546-6 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Wang, Zhixuan verfasserin aut Sn restriction and Li2S reversible properties of novel sandwiched SnSgraphene hollow-sphere architecture for lithium storage 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Sandwiched hollow-sphere architecture Elsevier Polysulfides shuttle Elsevier Conversion reaction Elsevier Spherical graphene Elsevier Tin sulfide Elsevier Tin aggregation Elsevier Jiang, Yong oth Ma, Wencheng oth Han, Mingrui oth Lu, Jie oth Huang, Shoushuang oth Chen, Zhiwen oth Zhao, Bing oth Zhang, Jiujun oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:345 year:2020 day:10 month:06 pages:0 https://doi.org/10.1016/j.electacta.2020.136154 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 345 2020 10 0610 0 |
| allfieldsSound |
10.1016/j.electacta.2020.136154 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000995.pica (DE-627)ELV050148397 (ELSEVIER)S0013-4686(20)30546-6 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Wang, Zhixuan verfasserin aut Sn restriction and Li2S reversible properties of novel sandwiched SnSgraphene hollow-sphere architecture for lithium storage 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. Sandwiched hollow-sphere architecture Elsevier Polysulfides shuttle Elsevier Conversion reaction Elsevier Spherical graphene Elsevier Tin sulfide Elsevier Tin aggregation Elsevier Jiang, Yong oth Ma, Wencheng oth Han, Mingrui oth Lu, Jie oth Huang, Shoushuang oth Chen, Zhiwen oth Zhao, Bing oth Zhang, Jiujun oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:345 year:2020 day:10 month:06 pages:0 https://doi.org/10.1016/j.electacta.2020.136154 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 345 2020 10 0610 0 |
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Enthalten in Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch New York, NY [u.a.] volume:345 year:2020 day:10 month:06 pages:0 |
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Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch |
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Sn restriction and Li2S reversible properties of novel sandwiched SnSgraphene hollow-sphere architecture for lithium storage |
| abstract |
Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. |
| abstractGer |
Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. |
| abstract_unstemmed |
Low reversion of Li2S and the Sn aggregation causing irreversible capacity loss are the primary cause of poor cycle performances in tin sulfide-based composites. These problems can be mitigated by confining SnS nanoparticles in sandwiched hollow-spherical graphene skeleton (Sandwich-SnS/GS), in which a large number of tiny SnS nanoparticles are inserted in between the interlayers of the sphere-like graphene shell with homogeneous distribution, while the spherical graphene interconnects each other forming a three-dimensional interconnected conductive network. This novel spherical graphene skeleton can immobilize the SnS and the lithiated products (Sn and Li2S) and suppress the local accumulation of metallic Sn at the largest extent, thus prompting the close contact of Sn/Li2S and their in-situ reverse transformation into SnS. In addition, the closed graphene sphere could inhibit the shuttle of lithium polysulfides derived from Li2S during charging, promote reversible transformation between Li2S and S8, providing an additional capacity contribution and ensuring the sustained capacity of the whole electrode without distinct decay. Thus, a high and stable reversible specific capacity of 756.7 mA h g−1 is retained in the Sandwich-SnS/GS composite after 200 cycles at 100 mA g−1, significantly higher than those of traditional hollow sphere and sandwich-like lamellar composite structures. |
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