The above conclusions are subject to further verification. Figure 5. Electrochemical performance of the Ni11(HPO3)8(OH)6 and Ni11(HPO3)8(OH)6/Co3(HPO4)2(OH)2 electrodes: (a) Ni11(HPO3)8(OH)6 CV curves between 2 and 200 mV s−1, (b) Ni11(HPO3)8(OH)6/Co3(HPO4)2(...