Characteristics and properties of nano-LiCoO2 synthesized by pre-organized single source precursors: Li-ion diffusivity, electrochemistry and biological assessment

Table 1 The reactants, synthetic conditions and the yields of the compounds 1, 8-12

Compound	Formula	Reactants in synthesis	Yields (%)
1	[Co(OPh)₄Li₂(THF)₄]	CoCl₂ (0.1 g, 0.77 mmol) + 4 LiOPh 1 M in THF (3.1 ml, 3.1 mmol)	82
2	[Co(OPh)₄Li₂(THF)₄]·THF	Idem as 1, but −24 °C under argon	56
3	[Co(OPh)₄Li₂(THF)₂(H₂O)(THF)₂]₂	Idem as 1, but −24 °C in air	<10
4	[Co(OPh)₄Li₂(TMEDA)₂]	Idem as 1, recrystallized from TMEDA	69
5	[Co(OPh)₄Li₂(dioxane)₂]_n	Idem as 1, recrystallized from dioxane	95
6	[Co(OPh)₄Li₂(DME)₂]	Idem as 1, recrystallized from DME	47
7	[Co(OPh)₄Li₂(Py)₄]	Idem as 1, recrystallized from pyridine	39
8	[Co₂(O^tBu)₆Li₄(THF)₂]	CoCl₂ (585 mg, 4.5 mmol) + 3 LiO^tBu 1 M in THF 13.5 ml (13.5 mmol)	87
9	[Co₂(O^tBu)₂(OPh)₄Li₂(THF)₄]	CoCl₂ (500 mg, 3.85 mmol) + LiO^tBu (3.9 ml, 3.9 mmol) + LiOPh 1 M in THF (7.7 ml, 7.7 mmol)	85
10	[Co₂(OⁱPr)₆Li₂(THF)₂]	CoCl₂ (500 mg, 3.85 mmol) + 3 LiOⁱPr 2 M in THF (5.8 ml, 11.6 mmol)	92
11	[Co₂(OEt)₁₂Li₈ (THF)_8-10]	CoCl₂ (500 mg, 3.85 mmol) + 6 LiOEt 2 M in THF (11.6 ml, 23.2 mmol)	89
12	[Co₂(OMe)₆Li₂(THF)₂(MeOH)₂]	CoCl₂ (500 mg, 3.85 mmol) + 3 LiOMe 2 M in THF (5.3 ml, 11.7 mmol) and MeOH	90

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