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Correction: Development of P3-K0.69CrO2 as an ultra-high-performance cathode material for K-ion batteries

Jang-Yeon Hwang a, Jongsoon Kim b, Tae-Yeon Yu a, Seung-Taek Myung b and Yang-Kook Sun *a
aDepartment of Energy Engineering, Hanyang University, Seoul 04763, South Korea. E-mail: yksun@hanyang.ac.kr
bDepartment of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05006, South Korea

Received 25th July 2018 , Accepted 25th July 2018

First published on 1st August 2018


Abstract

Correction for ‘Development of P3-K0.69CrO2 as an ultra-high-performance cathode material for K-ion batteries’ by Jang-Yeon Hwang et al., Energy Environ. Sci., 2018, DOI: 10.1039/c8ee01365a.


There was some errors in Fig. 6a, which should appear as shown below.
image file: c8ee90042f-f6.tif
Fig. 1 (a) Cyclability of K0.69CrO2 over 1000 cycles at 1C rate and comparison of specific capacity vs. cycle number for the layered oxide cathode for this work and previous studies. (b) Ex situ XRD patterns of the K0.69CrO2 electrode for the pristine sample and after 1000 cycles. (c) Power capability of K0.69CrO2 at various current rates (0.1C, 0.2C, 1C, 3C, 5C, 7C, and 10C).

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.


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