Li2CoSiO4 as an Advanced Cathode Material for Next Generation Lithium-Ion Batteries

Ghosh, Sourav (2015) Li2CoSiO4 as an Advanced Cathode Material for Next Generation Lithium-Ion Batteries. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

Now a day, one of the biggest challenges for the mankind is to harvest energy from the renewable energy sources like solar, wind and store it for different applications. Battery is one of the successful energy devices which can store energy. Lithium ion battery which has largest energy density of 120- 200 Wh/Kg is the most promising secondary battery in the market today. Current, research efforts in electrochemical energy storage is directed towards achieving higher energy density with reduced cost and improved thermal safety. State-of-theart lithium-ion cells use layered transition metal (TM) oxides (LiCoO2, LiNi1/3Mn1/3Co1/3 etc.), or Phosphates (LiFePO4) Mn based spinels as cathodes (LiMn2O4) and graphitic carbon as anode. The nominal capacities of most of these cathodes are range between 140-180 mAhg-1 when cycled up to 4.2 V. This is only half the specific capacity of graphite anode (372 mAhg-1). Besides only ½ Lithium from TM oxides or 1 Li from phosphates could be intercalated or deinterclated from the material. Thus, there has been an intense research activity in the last decade to develop high capacity (multi electron capacity), high energy cathode materials for lithium-ion batteries.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: Lithium-Ion Batteries, TD297
Subjects: ?? sub5.8 ??
Divisions: Department of Chemistry
Depositing User: Library Staff
Date Deposited: 18 Jun 2015 08:09
Last Modified: 10 Jul 2015 05:04
URI: http://raiith.iith.ac.in/id/eprint/1585
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