Capacitance-enhanced sodium-ion storage in nitrogen-rich hard carbon
Rohit Ranganathan GaddamAmir H. Farokh NiaeiMarlies HankelDebra J. SearlesAshok Kumar NanjundanXin Zhao
Abstract
Nitrogen-rich hard carbon with enhanced capacitive storage for room temperature sodium-ion battery is investigated. The presence of nitrogen allows stronger sodium ion interaction to realize high-performance batteries with a specific capacity of ∼204 mA h g−1 after 1000 cycles at 1 A g−1 current density.
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