Table 3. Performance comparison between this work and prior research about Ge-based anodes.

Electrode	Specific capacity (mA h g−1)	Current density (mA g−1)	Cycle	Ref.
GeO2 CNF	1034	100	200	11
GeO2/Ge	502.2	100	40	14
3D void/Ge@C	990	100	100	17
Ge–Fe/MWCNT	491	5000	1000	25
GeO2/Ge/r-GO	300	100	100	29
GeOx-coated rGO	758	2000	700	33
GeO2/C	984.2	200	200	34
GeO2/Ge	665.3	500	100	39
GeO2@C	940	50	50	49
CNT–GeO2	844.8	500	500	50
GeO2–Ge@NCNT	1017	100	100	This work