New class of nonaqueous electrolytes for long-life and safe lithium-ion batteries
Long-life and safe lithium-ion batteries have been long pursued to enable electrification of the transportation system and for grid applications. However, the poor safety characteristics of lithium-ion batteries have been the major bottleneck for the widespread deployment of this promising technolog...
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| Veröffentlicht in: | Nature communications 2013, Vol.4 (1), p.1513-1513, Article 1513 |
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| creator | Chen, Zonghai Ren, Yang Jansen, Andrew N. Lin, Chi-kai Weng, Wei Amine, Khalil |
| description | Long-life and safe lithium-ion batteries have been long pursued to enable electrification of the transportation system and for grid applications. However, the poor safety characteristics of lithium-ion batteries have been the major bottleneck for the widespread deployment of this promising technology. Here, we report a novel nonaqueous Li
2
B
12
F
12-
x
H
x
electrolyte, using lithium difluoro(oxalato)borate as an electrolyte additive, that has superior performance to the conventional LiPF
6
-based electrolyte with regard to cycle life and safety, including tolerance to both overcharge and thermal abuse. Cells tested with the Li
2
B
12
F
9
H
3
-based electrolyte maintained about 70% initial capacity when cycled at 55 °C for 1,200 cycles, and the intrinsic overcharge protection mechanism was active up to 450 overcharge abuse cycles. Results from
in situ
high-energy X-ray diffraction showed that the thermal decomposition of the delithiated Li
1-
x
[Ni
1/3
Mn
1/3
Co
1/3
]
0.9
O
2
cathode was delayed by about 20 °C when using the Li
2
B
12
F
12
-based electrolyte.
Safe lithium-ion batteries require stable electrolytes with high chemical resistance and high thermal tolerance. Chen
et al
. find a solid lithium-salt electrolyte that is able to give rise to a prolonged battery life and a delayed decomposition of battery cathodes. |
| doi_str_mv | 10.1038/ncomms2518 |
| format | Article |
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2
B
12
F
12-
x
H
x
electrolyte, using lithium difluoro(oxalato)borate as an electrolyte additive, that has superior performance to the conventional LiPF
6
-based electrolyte with regard to cycle life and safety, including tolerance to both overcharge and thermal abuse. Cells tested with the Li
2
B
12
F
9
H
3
-based electrolyte maintained about 70% initial capacity when cycled at 55 °C for 1,200 cycles, and the intrinsic overcharge protection mechanism was active up to 450 overcharge abuse cycles. Results from
in situ
high-energy X-ray diffraction showed that the thermal decomposition of the delithiated Li
1-
x
[Ni
1/3
Mn
1/3
Co
1/3
]
0.9
O
2
cathode was delayed by about 20 °C when using the Li
2
B
12
F
12
-based electrolyte.
Safe lithium-ion batteries require stable electrolytes with high chemical resistance and high thermal tolerance. Chen
et al
. find a solid lithium-salt electrolyte that is able to give rise to a prolonged battery life and a delayed decomposition of battery cathodes.</description><identifier>ISSN: 2041-1723</identifier><identifier>EISSN: 2041-1723</identifier><identifier>DOI: 10.1038/ncomms2518</identifier><identifier>PMID: 23443541</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>639/301/299/161 ; 639/301/299/161/891 ; Electrolytes ; Humanities and Social Sciences ; Lithium ; multidisciplinary ; Oxidation ; Science ; Science (multidisciplinary) ; Symmetry</subject><ispartof>Nature communications, 2013, Vol.4 (1), p.1513-1513, Article 1513</ispartof><rights>Springer Nature Limited 2013</rights><rights>Copyright Nature Publishing Group Feb 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c387t-cb4e5a86da703b5c2dba353a1d7f79a4f964737f14fb1278b1bec19dac38bde53</citedby><cites>FETCH-LOGICAL-c387t-cb4e5a86da703b5c2dba353a1d7f79a4f964737f14fb1278b1bec19dac38bde53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1038/ncomms2518$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://doi.org/10.1038/ncomms2518$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,4010,27900,27901,27902,41096,42165,51551</link.rule.ids><linktorsrc>$$Uhttps://doi.org/10.1038/ncomms2518$$EView_record_in_Springer_Nature$$FView_record_in_$$GSpringer_Nature</linktorsrc><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23443541$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Zonghai</creatorcontrib><creatorcontrib>Ren, Yang</creatorcontrib><creatorcontrib>Jansen, Andrew N.</creatorcontrib><creatorcontrib>Lin, Chi-kai</creatorcontrib><creatorcontrib>Weng, Wei</creatorcontrib><creatorcontrib>Amine, Khalil</creatorcontrib><title>New class of nonaqueous electrolytes for long-life and safe lithium-ion batteries</title><title>Nature communications</title><addtitle>Nat Commun</addtitle><addtitle>Nat Commun</addtitle><description>Long-life and safe lithium-ion batteries have been long pursued to enable electrification of the transportation system and for grid applications. However, the poor safety characteristics of lithium-ion batteries have been the major bottleneck for the widespread deployment of this promising technology. Here, we report a novel nonaqueous Li
2
B
12
F
12-
x
H
x
electrolyte, using lithium difluoro(oxalato)borate as an electrolyte additive, that has superior performance to the conventional LiPF
6
-based electrolyte with regard to cycle life and safety, including tolerance to both overcharge and thermal abuse. Cells tested with the Li
2
B
12
F
9
H
3
-based electrolyte maintained about 70% initial capacity when cycled at 55 °C for 1,200 cycles, and the intrinsic overcharge protection mechanism was active up to 450 overcharge abuse cycles. Results from
in situ
high-energy X-ray diffraction showed that the thermal decomposition of the delithiated Li
1-
x
[Ni
1/3
Mn
1/3
Co
1/3
]
0.9
O
2
cathode was delayed by about 20 °C when using the Li
2
B
12
F
12
-based electrolyte.
Safe lithium-ion batteries require stable electrolytes with high chemical resistance and high thermal tolerance. Chen
et al
. find a solid lithium-salt electrolyte that is able to give rise to a prolonged battery life and a delayed decomposition of battery cathodes.</description><subject>639/301/299/161</subject><subject>639/301/299/161/891</subject><subject>Electrolytes</subject><subject>Humanities and Social Sciences</subject><subject>Lithium</subject><subject>multidisciplinary</subject><subject>Oxidation</subject><subject>Science</subject><subject>Science 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Commun</addtitle><date>2013</date><risdate>2013</risdate><volume>4</volume><issue>1</issue><spage>1513</spage><epage>1513</epage><pages>1513-1513</pages><artnum>1513</artnum><issn>2041-1723</issn><eissn>2041-1723</eissn><abstract>Long-life and safe lithium-ion batteries have been long pursued to enable electrification of the transportation system and for grid applications. However, the poor safety characteristics of lithium-ion batteries have been the major bottleneck for the widespread deployment of this promising technology. Here, we report a novel nonaqueous Li
2
B
12
F
12-
x
H
x
electrolyte, using lithium difluoro(oxalato)borate as an electrolyte additive, that has superior performance to the conventional LiPF
6
-based electrolyte with regard to cycle life and safety, including tolerance to both overcharge and thermal abuse. Cells tested with the Li
2
B
12
F
9
H
3
-based electrolyte maintained about 70% initial capacity when cycled at 55 °C for 1,200 cycles, and the intrinsic overcharge protection mechanism was active up to 450 overcharge abuse cycles. Results from
in situ
high-energy X-ray diffraction showed that the thermal decomposition of the delithiated Li
1-
x
[Ni
1/3
Mn
1/3
Co
1/3
]
0.9
O
2
cathode was delayed by about 20 °C when using the Li
2
B
12
F
12
-based electrolyte.
Safe lithium-ion batteries require stable electrolytes with high chemical resistance and high thermal tolerance. Chen
et al
. find a solid lithium-salt electrolyte that is able to give rise to a prolonged battery life and a delayed decomposition of battery cathodes.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>23443541</pmid><doi>10.1038/ncomms2518</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | Springer Nature OA Free Journals |
| subjects | 639/301/299/161 639/301/299/161/891 Electrolytes Humanities and Social Sciences Lithium multidisciplinary Oxidation Science Science (multidisciplinary) Symmetry |
| title | New class of nonaqueous electrolytes for long-life and safe lithium-ion batteries |
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