. 2021 May 11;12(22):7623–7655. doi: 10.1039/d0sc06894b

Summary of various alloying-type anodes in potassium ion batteries.

Electrode materials	ICE	Capacity	Current density	Cut voltage	Retention	Ref.
MXene@Sb	∼45%	475.1 mA h cm⁻³	50 mA g⁻¹	0.01–1.2 V	79%/500 cycles	7
3D Bi porous network	80.2%	496 mA h g⁻¹	200 mA g⁻¹	0.1–1.5 V	86.9%/300 cycles	26
Sb/CNS	48%	288.2 mA h g⁻¹	50 mA g⁻¹	0.01–2.5 V	90%/600 cycles	32
BP–C	60%	270 mA h g⁻¹	50 mA g⁻¹	0.01–2.0 V	61%/50 cycles	62
3D SbNPs@C hybrid	∼70%	488 mA h g⁻¹	200 mA g⁻¹	0.01–2.0 V	96%/15 cycles	78
3D C/Sn network	45.3%	276.4 mA h g⁻¹	50 mA g⁻¹	0.01–3.0 V	∼75%/100 cycles	13
Sb–C–rGO	46%	310 mA h g⁻¹	500 mA g⁻¹	0.001–1.5 V	79%/100 cycles	69
3D Sb@PC	46.2%	596.8 mA h g⁻¹	100 mA g⁻¹	0.001–2.5 V	∼53%/200 cycles	47
Sb@CS	61%	551 mA h g⁻¹	100 mA g⁻¹	0.01–2.0 V	80.5%/200 cycles	101
Sn@RGO	49.8%	200 mA h g⁻¹	100 mA g⁻¹	0.01–3.00 V	66.7%/50 cycles	36
Sn–C	∼50%	∼150 mA h g⁻¹	25 mA g⁻¹	0.01–2.0 V	73.3%/30 cycles	53
Bi microparticle	83%	404 mA h g⁻¹	400 mA g⁻¹	0.1–1.5 V	97%/100 cycles	66
Bi@3DGF	51.1%	173 mA h g⁻¹	200 mA g⁻¹	0.2–1.8 V	75%/50 cycles	97
Bi@C nanorod	68.2%	425 mA h g⁻¹	200 mA g⁻¹	0.01–3.0 V	93.5%/60 cycles	110
C@DSBC	52%	351 mA h g⁻¹	0.05C	0.01–1.5 V	74%/200 cycles	117
Bi@N-CT	∼70%	316 mA h g⁻¹	385 mA g⁻¹	0.01–1.5 V	88%/1000 cycles	122
Bi@NS–C	65%	338 mA h g⁻¹	500 mA g⁻¹	0.1–1.5 V	91%/1000 cycles	130
Yolk/shell P@HC	67%	841 mA h g⁻¹	50 mA g⁻¹	0.01–3.0 V	∼92%/40 cycles	141
Red P@CN	59%	655 mA h g⁻¹	100 mA g⁻¹	0.01–2.0 V	∼60%/40 cycles	145
Red P@N-PHCNFs	∼35%	700 mA h g⁻¹	100 mA g⁻¹	0.01–2.0 V	84%/200 cycles	146