1. Department of Chemical Engineering, Faculty of Engineering, Universitas Sebelas Maret , Jl. Ir. Sutami 36A , Surakarta , Central Java 57126 , Indonesia
2. Centre of Excellence for Electrical Energy Storage Technology, Universitas Sebelas Maret , Jl. Slamet Riyadi, 435 , Surakarta , Indonesia
3. Environmental Science, Postgraduate School, Universitas Sebelas Maret , Jl. Ir. Sutami No. 36A, 57126 , Surakarta , Central Java 57126 , Indonesia