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A Mesoporous/Crystalline Composite Material Containing Tin Phosphate for Use as the Anode in Lithium‐Ion Batteries
Author(s) -
Kim Eunjin,
Son Dongyeon,
Kim TaeGon,
Cho Jaephil,
Park Byungwoo,
Ryu KwangSun,
Chang SoonHo
Publication year - 2004
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.200454080
Subject(s) - tin , anode , mesoporous material , composite number , materials science , lithium (medication) , chemical engineering , phosphate , buffer (optical fiber) , inorganic chemistry , composite material , metallurgy , chemistry , electrode , catalysis , computer science , organic chemistry , medicine , telecommunications , engineering , endocrinology
Packed to capacity : The incorporation of mesoporous structures as a buffer layer enhances the structural stability of tin phosphate and alleviates the volume expansion of the tin phosphate anode during Li alloying/dealloying (see TEM image). The mesoporous tin phosphate/Sn 2 P 2 O 7 composite anode shows a large initial capacity (721 mA h g −1 ) and excellent cyclability (587 mA h g −1 at the 30th cycle).
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