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Nanoscale Porous Framework of Lithium Titanate for Ultrafast Lithium Insertion
Author(s) -
Feckl Johann M.,
Fominykh Ksenia,
Döblinger Markus,
FattakhovaRohlfing Dina,
Bein Thomas
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201201463
Subject(s) - lithium titanate , materials science , gravimetric analysis , lithium (medication) , nanometre , mesoporous material , nanocrystal , titanate , spinel , chemical engineering , porosity , nanoscopic scale , nanotechnology , composite material , ceramic , chemistry , lithium ion battery , metallurgy , organic chemistry , battery (electricity) , medicine , power (physics) , physics , quantum mechanics , engineering , endocrinology , catalysis
Mesoporous lithium titanate has been prepared with a titanate morphology that leads to the fastest insertion of lithium. It features a gravimetric capacity of about 175 mA h g −1 and delivers up to 73 % of the maximum capacity at up to 800 C (4.5 s) without deterioration over 1000 cycles. A key feature is a fully crystalline interconnected porous framework composed of spinel nanocrystals of only a few nanometers in size. Scale bar: 10 nm.
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