Lithium Chlorate

Lithium chlorate is extremely soluble and hygroscopic and is not used in pyrotechnics for that reason.
It can be made by electrolysis using LiCl.
Because of the small size of the Li atom it appears that Li Perchlorate forms very easily from LiCl.
Bear this in mind if you are trying to make Li Chlorate. See Li Perchlorate section.

There is solubility info. in the article below available in the further reading section.
THE SYSTEM LITHIUM CHLORATE – LITHIUM CHLORIDE – WATER AT VARIOUS TEMPERATURES Abstract A. N. Campbell, J. E. Griffiths Canadian Journal of Chemistry 34 pp 1647-1661
The solubilities of LiCl and LiClO3 (in grams per 100ml water) are taken from http://en.wikipedia.org/wiki/Solubility_table

Temp. C 0 10 20 30 40 50 60 70 80 90 100

LiCl 69.2 74.5 83.5 86.2 89.8 . 98.4 . 112 121 128

LiClO3 241 283 372 488 604 . 777 . .
. .

From experiments conducted by Hashashan it would appear that Li (Per)Chlorate cells are erosive to Lead Dioxide. It also appears that Li is erosive to Tin Oxide Anodes.

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Temp. C	0	10	20	30	40	50	60	70	80	90	100
LiCl	69.2	74.5	83.5	86.2	89.8	.	98.4	.	112	121	128
LiClO3	241	283	372	488	604	.	777	.	.
.	.