Council of Scientific and Industrial Research

Ramasamy Thirunakaran

Arumugam Sivashanmugam

Sukumaran Gopukumar

Chandrasekaran Nithya

Sundeep Kumar Dhawan

Rakesh Behari Mathur

Priyanka Heda Maheshwari

An olivine structured nano-composite LiMMnPO/C was synthesized by a sol-gel assisted high energy ball mill method and the synthesis method does not require any inert atmosphere. Electrochemical cycling studies were carried out between 3.0-4.6V using 1M LiPFin 1:1 EC/DEC as electrolyte. The charge/discharge cycling studies of the nano-composite exhibit an average discharge capacity of 158 mAh/g at 0.1 C rate over the investigated 50 cycles.

Process for the preparation of high voltage nano composite cathode (4.9vV) for lithium ion batteries

A new high performing lithium ion cell having new carbon based anode and new dual doped layered cathode materials. The anode is a self standing carbon fibrous material and the cathode is a dual doped Lithium cobalt oxide of general formula LiMNCoO(0.01&#x2266;x, y&#x2266;0.2) wherein M is a divalent alkaline earth metal cation and N is a divalent transition metal cation. Lithium ion cells of 2016 coin cells were assembled using the above materials deliver specific capacity of 60-85 mAhgat 1 C rate and exhibit excellent cycling stability of 90-95% even after 200 cycles when cycled between 2.9-4.1V.

Cathode material and lithium ion battery therefrom

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Tamil Nadu, India

Ramasamy Thirunakaran