** NOVONIX NVX.AX rises as much as 9.1% to A$0.3, highest since March 12
** Stock hits biggest intraday pct gain since March 25
** Battery tech co says US government certifies its Riverside project under Advanced Energy Project Credit programme
** Adds it will receive $103 million in tax credits after placing first 11,000 tpa of graphite production in service as part of programme
** Stock up 12.7% so far this week, set for its best week since early January
** NVX trims YTD losses to 31.6%
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))